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matroxfb: make CONFIG_FB_MATROX_MULTIHEAD=y mandatory
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / video / matrox / matroxfb_Ti3026.c
CommitLineData
1da177e4
LT		 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
beb7dd86 75 * were used when writing this driver)
1da177e4
LT		 76 *
77 * FreeVBE/AF (Matrox), "Shawn Hargreaves" <shawn@talula.demon.co.uk>
78 *
79 */
80
1da177e4
LT		 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
247static 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
269static 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
282static int Ti3026_calcclock(CPMINFO unsigned int freq, unsigned int fmax, int* in, int* feed, int* post) {
283 unsigned int fvco;
284 unsigned int lin, lfeed, lpost;
285
5ae12170 286 DBG(__func__)
1da177e4
LT		 287
288 fvco = PLL_calcclock(PMINFO freq, fmax, &lin, &lfeed, &lpost);
289 fvco >>= (*post = lpost);
290 *in = 64 - lin;
291 *feed = 64 - lfeed;
292 return fvco;
293}
294
295static int Ti3026_setpclk(WPMINFO int clk) {
296 unsigned int f_pll;
297 unsigned int pixfeed, pixin, pixpost;
298 struct matrox_hw_state* hw = &ACCESS_FBINFO(hw);
299
5ae12170 300 DBG(__func__)
1da177e4
LT		 301
302 f_pll = Ti3026_calcclock(PMINFO clk, ACCESS_FBINFO(max_pixel_clock), &pixin, &pixfeed, &pixpost);
303
304 hw->DACclk[0] = pixin | 0xC0;
305 hw->DACclk[1] = pixfeed;
306 hw->DACclk[2] = pixpost | 0xB0;
307
308 {
309 unsigned int loopfeed, loopin, looppost, loopdiv, z;
310 unsigned int Bpp;
311
312 Bpp = ACCESS_FBINFO(curr.final_bppShift);
313
314 if (ACCESS_FBINFO(fbcon).var.bits_per_pixel == 24) {
315 loopfeed = 3; /* set lm to any possible value */
316 loopin = 3 * 32 / Bpp;
317 } else {
318 loopfeed = 4;
319 loopin = 4 * 32 / Bpp;
320 }
321 z = (110000 * loopin) / (f_pll * loopfeed);
322 loopdiv = 0; /* div 2 */
323 if (z < 2)
324 looppost = 0;
325 else if (z < 4)
326 looppost = 1;
327 else if (z < 8)
328 looppost = 2;
329 else {
330 looppost = 3;
331 loopdiv = z/16;
332 }
333 if (ACCESS_FBINFO(fbcon).var.bits_per_pixel == 24) {
334 hw->DACclk[3] = ((65 - loopin) & 0x3F) | 0xC0;
335 hw->DACclk[4] = (65 - loopfeed) | 0x80;
336 if (ACCESS_FBINFO(accel.ramdac_rev) > 0x20) {
337 if (isInterleave(MINFO))
338 hw->DACreg[POS3026_XLATCHCTRL] = TVP3026B_XLATCHCTRL_8_3;
339 else {
340 hw->DACclk[4] &= ~0xC0;
341 hw->DACreg[POS3026_XLATCHCTRL] = TVP3026B_XLATCHCTRL_4_3;
342 }
343 } else {
344 if (isInterleave(MINFO))
345 ; /* default... */
346 else {
347 hw->DACclk[4] ^= 0xC0; /* change from 0x80 to 0x40 */
348 hw->DACreg[POS3026_XLATCHCTRL] = TVP3026A_XLATCHCTRL_4_3;
349 }
350 }
351 hw->DACclk[5] = looppost | 0xF8;
352 if (ACCESS_FBINFO(devflags.mga_24bpp_fix))
353 hw->DACclk[5] ^= 0x40;
354 } else {
355 hw->DACclk[3] = ((65 - loopin) & 0x3F) | 0xC0;
356 hw->DACclk[4] = 65 - loopfeed;
357 hw->DACclk[5] = looppost | 0xF0;
358 }
359 hw->DACreg[POS3026_XMEMPLLCTRL] = loopdiv | TVP3026_XMEMPLLCTRL_MCLK_MCLKPLL | TVP3026_XMEMPLLCTRL_RCLK_LOOPPLL;
360 }
361 return 0;
362}
363
364static int Ti3026_init(WPMINFO struct my_timming* m) {
365 u_int8_t muxctrl = isInterleave(MINFO) ? TVP3026_XMUXCTRL_MEMORY_64BIT : TVP3026_XMUXCTRL_MEMORY_32BIT;
366 struct matrox_hw_state* hw = &ACCESS_FBINFO(hw);
367
5ae12170 368 DBG(__func__)
1da177e4
LT		 369
370 memcpy(hw->DACreg, MGADACbpp32, sizeof(hw->DACreg));
371 switch (ACCESS_FBINFO(fbcon).var.bits_per_pixel) {
372 case 4: hw->DACreg[POS3026_XLATCHCTRL] = TVP3026_XLATCHCTRL_16_1; /* or _8_1, they are same */
373 hw->DACreg[POS3026_XTRUECOLORCTRL] = TVP3026_XTRUECOLORCTRL_PSEUDOCOLOR;
374 hw->DACreg[POS3026_XMUXCTRL] = muxctrl | TVP3026_XMUXCTRL_PIXEL_4BIT;
375 hw->DACreg[POS3026_XCLKCTRL] = TVP3026_XCLKCTRL_SRC_PLL | TVP3026_XCLKCTRL_DIV8;
376 hw->DACreg[POS3026_XMISCCTRL] = TVP3026_XMISCCTRL_DAC_PUP | TVP3026_XMISCCTRL_DAC_8BIT | TVP3026_XMISCCTRL_PSEL_DIS | TVP3026_XMISCCTRL_PSEL_LOW;
377 break;
378 case 8: hw->DACreg[POS3026_XLATCHCTRL] = TVP3026_XLATCHCTRL_8_1; /* or _4_1, they are same */
379 hw->DACreg[POS3026_XTRUECOLORCTRL] = TVP3026_XTRUECOLORCTRL_PSEUDOCOLOR;
380 hw->DACreg[POS3026_XMUXCTRL] = muxctrl | TVP3026_XMUXCTRL_PIXEL_8BIT;
381 hw->DACreg[POS3026_XCLKCTRL] = TVP3026_XCLKCTRL_SRC_PLL | TVP3026_XCLKCTRL_DIV4;
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 16:
385 /* XLATCHCTRL should be _4_1 / _2_1... Why is not? (_2_1 is used everytime) */
386 hw->DACreg[POS3026_XTRUECOLORCTRL] = (ACCESS_FBINFO(fbcon).var.green.length == 5)? (TVP3026_XTRUECOLORCTRL_DIRECTCOLOR | TVP3026_XTRUECOLORCTRL_ORGB_1555 ) : (TVP3026_XTRUECOLORCTRL_DIRECTCOLOR | TVP3026_XTRUECOLORCTRL_RGB_565);
387 hw->DACreg[POS3026_XMUXCTRL] = muxctrl | TVP3026_XMUXCTRL_PIXEL_16BIT;
388 hw->DACreg[POS3026_XCLKCTRL] = TVP3026_XCLKCTRL_SRC_PLL | TVP3026_XCLKCTRL_DIV2;
389 break;
390 case 24:
391 /* XLATCHCTRL is: for (A) use _4_3 (?_8_3 is same? TBD), for (B) it is set in setpclk */
392 hw->DACreg[POS3026_XTRUECOLORCTRL] = TVP3026_XTRUECOLORCTRL_DIRECTCOLOR | TVP3026_XTRUECOLORCTRL_RGB_888;
393 hw->DACreg[POS3026_XMUXCTRL] = muxctrl | TVP3026_XMUXCTRL_PIXEL_32BIT;
394 hw->DACreg[POS3026_XCLKCTRL] = TVP3026_XCLKCTRL_SRC_PLL | TVP3026_XCLKCTRL_DIV4;
395 break;
396 case 32:
397 /* XLATCHCTRL should be _2_1 / _1_1... Why is not? (_2_1 is used everytime) */
398 hw->DACreg[POS3026_XMUXCTRL] = muxctrl | TVP3026_XMUXCTRL_PIXEL_32BIT;
399 break;
400 default:
401 return 1; /* TODO: failed */
402 }
403 if (matroxfb_vgaHWinit(PMINFO m)) return 1;
404
405 /* set SYNC */
406 hw->MiscOutReg = 0xCB;
407 if (m->sync & FB_SYNC_HOR_HIGH_ACT)
408 hw->DACreg[POS3026_XGENCTRL] |= TVP3026_XGENCTRL_HSYNC_NEG;
409 if (m->sync & FB_SYNC_VERT_HIGH_ACT)
410 hw->DACreg[POS3026_XGENCTRL] |= TVP3026_XGENCTRL_VSYNC_NEG;
411 if (m->sync & FB_SYNC_ON_GREEN)
412 hw->DACreg[POS3026_XGENCTRL] |= TVP3026_XGENCTRL_SYNC_ON_GREEN;
413
414 /* set DELAY */
415 if (ACCESS_FBINFO(video.len) < 0x400000)
416 hw->CRTCEXT[3] |= 0x08;
417 else if (ACCESS_FBINFO(video.len) > 0x400000)
418 hw->CRTCEXT[3] |= 0x10;
419
420 /* set HWCURSOR */
421 if (m->interlaced) {
422 hw->DACreg[POS3026_XCURCTRL] |= TVP3026_XCURCTRL_INTERLACED;
423 }
424 if (m->HTotal >= 1536)
425 hw->DACreg[POS3026_XCURCTRL] |= TVP3026_XCURCTRL_BLANK4096;
426
427 /* set interleaving */
428 hw->MXoptionReg &= ~0x00001000;
429 if (isInterleave(MINFO)) hw->MXoptionReg |= 0x00001000;
430
431 /* set DAC */
432 Ti3026_setpclk(PMINFO m->pixclock);
433 return 0;
434}
435
436static void ti3026_setMCLK(WPMINFO int fout){
437 unsigned int f_pll;
438 unsigned int pclk_m, pclk_n, pclk_p;
439 unsigned int mclk_m, mclk_n, mclk_p;
440 unsigned int rfhcnt, mclk_ctl;
441 int tmout;
442
5ae12170 443 DBG(__func__)
1da177e4
LT		 444
445 f_pll = Ti3026_calcclock(PMINFO fout, ACCESS_FBINFO(max_pixel_clock), &mclk_n, &mclk_m, &mclk_p);
446
447 /* save pclk */
448 outTi3026(PMINFO TVP3026_XPLLADDR, 0xFC);
449 pclk_n = inTi3026(PMINFO TVP3026_XPIXPLLDATA);
450 outTi3026(PMINFO TVP3026_XPLLADDR, 0xFD);
451 pclk_m = inTi3026(PMINFO TVP3026_XPIXPLLDATA);
452 outTi3026(PMINFO TVP3026_XPLLADDR, 0xFE);
453 pclk_p = inTi3026(PMINFO TVP3026_XPIXPLLDATA);
454
455 /* stop pclk */
456 outTi3026(PMINFO TVP3026_XPLLADDR, 0xFE);
457 outTi3026(PMINFO TVP3026_XPIXPLLDATA, 0x00);
458
459 /* set pclk to new mclk */
460 outTi3026(PMINFO TVP3026_XPLLADDR, 0xFC);
461 outTi3026(PMINFO TVP3026_XPIXPLLDATA, mclk_n | 0xC0);
462 outTi3026(PMINFO TVP3026_XPIXPLLDATA, mclk_m);
463 outTi3026(PMINFO TVP3026_XPIXPLLDATA, mclk_p | 0xB0);
464
465 /* wait for PLL to lock */
466 for (tmout = 500000; tmout; tmout--) {
467 if (inTi3026(PMINFO TVP3026_XPIXPLLDATA) & 0x40)
468 break;
469 udelay(10);
470 };
471 if (!tmout)
472 printk(KERN_ERR "matroxfb: Temporary pixel PLL not locked after 5 secs\n");
473
474 /* output pclk on mclk pin */
475 mclk_ctl = inTi3026(PMINFO TVP3026_XMEMPLLCTRL);
476 outTi3026(PMINFO TVP3026_XMEMPLLCTRL, mclk_ctl & 0xE7);
477 outTi3026(PMINFO TVP3026_XMEMPLLCTRL, (mclk_ctl & 0xE7) | TVP3026_XMEMPLLCTRL_STROBEMKC4);
478
479 /* stop MCLK */
480 outTi3026(PMINFO TVP3026_XPLLADDR, 0xFB);
481 outTi3026(PMINFO TVP3026_XMEMPLLDATA, 0x00);
482
483 /* set mclk to new freq */
484 outTi3026(PMINFO TVP3026_XPLLADDR, 0xF3);
485 outTi3026(PMINFO TVP3026_XMEMPLLDATA, mclk_n | 0xC0);
486 outTi3026(PMINFO TVP3026_XMEMPLLDATA, mclk_m);
487 outTi3026(PMINFO TVP3026_XMEMPLLDATA, mclk_p | 0xB0);
488
489 /* wait for PLL to lock */
490 for (tmout = 500000; tmout; tmout--) {
491 if (inTi3026(PMINFO TVP3026_XMEMPLLDATA) & 0x40)
492 break;
493 udelay(10);
494 }
495 if (!tmout)
496 printk(KERN_ERR "matroxfb: Memory PLL not locked after 5 secs\n");
497
498 f_pll = f_pll * 333 / (10000 << mclk_p);
499 if (isMilleniumII(MINFO)) {
500 rfhcnt = (f_pll - 128) / 256;
501 if (rfhcnt > 15)
502 rfhcnt = 15;
503 } else {
504 rfhcnt = (f_pll - 64) / 128;
505 if (rfhcnt > 15)
506 rfhcnt = 0;
507 }
508 ACCESS_FBINFO(hw).MXoptionReg = (ACCESS_FBINFO(hw).MXoptionReg & ~0x000F0000) | (rfhcnt << 16);
509 pci_write_config_dword(ACCESS_FBINFO(pcidev), PCI_OPTION_REG, ACCESS_FBINFO(hw).MXoptionReg);
510
511 /* output MCLK to MCLK pin */
512 outTi3026(PMINFO TVP3026_XMEMPLLCTRL, (mclk_ctl & 0xE7) | TVP3026_XMEMPLLCTRL_MCLK_MCLKPLL);
513 outTi3026(PMINFO TVP3026_XMEMPLLCTRL, (mclk_ctl ) | TVP3026_XMEMPLLCTRL_MCLK_MCLKPLL | TVP3026_XMEMPLLCTRL_STROBEMKC4);
514
515 /* stop PCLK */
516 outTi3026(PMINFO TVP3026_XPLLADDR, 0xFE);
517 outTi3026(PMINFO TVP3026_XPIXPLLDATA, 0x00);
518
519 /* restore pclk */
520 outTi3026(PMINFO TVP3026_XPLLADDR, 0xFC);
521 outTi3026(PMINFO TVP3026_XPIXPLLDATA, pclk_n);
522 outTi3026(PMINFO TVP3026_XPIXPLLDATA, pclk_m);
523 outTi3026(PMINFO TVP3026_XPIXPLLDATA, pclk_p);
524
525 /* wait for PLL to lock */
526 for (tmout = 500000; tmout; tmout--) {
527 if (inTi3026(PMINFO TVP3026_XPIXPLLDATA) & 0x40)
528 break;
529 udelay(10);
530 }
531 if (!tmout)
532 printk(KERN_ERR "matroxfb: Pixel PLL not locked after 5 secs\n");
533}
534
535static void ti3026_ramdac_init(WPMINFO2) {
536
5ae12170 537 DBG(__func__)
1da177e4
LT		 538
539 ACCESS_FBINFO(features.pll.vco_freq_min) = 110000;
540 ACCESS_FBINFO(features.pll.ref_freq) = 114545;
541 ACCESS_FBINFO(features.pll.feed_div_min) = 2;
542 ACCESS_FBINFO(features.pll.feed_div_max) = 24;
543 ACCESS_FBINFO(features.pll.in_div_min) = 2;
544 ACCESS_FBINFO(features.pll.in_div_max) = 63;
545 ACCESS_FBINFO(features.pll.post_shift_max) = 3;
546 if (ACCESS_FBINFO(devflags.noinit))
547 return;
548 ti3026_setMCLK(PMINFO 60000);
549}
550
551static void Ti3026_restore(WPMINFO2) {
552 int i;
553 unsigned char progdac[6];
554 struct matrox_hw_state* hw = &ACCESS_FBINFO(hw);
555 CRITFLAGS
556
5ae12170 557 DBG(__func__)
1da177e4
LT		 558
559#ifdef DEBUG
560 dprintk(KERN_INFO "EXTVGA regs: ");
561 for (i = 0; i < 6; i++)
562 dprintk("%02X:", hw->CRTCEXT[i]);
563 dprintk("\n");
564#endif
565
566 CRITBEGIN
567
568 pci_write_config_dword(ACCESS_FBINFO(pcidev), PCI_OPTION_REG, hw->MXoptionReg);
569
570 CRITEND
571
572 matroxfb_vgaHWrestore(PMINFO2);
573
574 CRITBEGIN
575
576 ACCESS_FBINFO(crtc1.panpos) = -1;
577 for (i = 0; i < 6; i++)
578 mga_setr(M_EXTVGA_INDEX, i, hw->CRTCEXT[i]);
579
580 for (i = 0; i < 21; i++) {
581 outTi3026(PMINFO DACseq[i], hw->DACreg[i]);
582 }
583
584 outTi3026(PMINFO TVP3026_XPLLADDR, 0x00);
585 progdac[0] = inTi3026(PMINFO TVP3026_XPIXPLLDATA);
586 progdac[3] = inTi3026(PMINFO TVP3026_XLOOPPLLDATA);
587 outTi3026(PMINFO TVP3026_XPLLADDR, 0x15);
588 progdac[1] = inTi3026(PMINFO TVP3026_XPIXPLLDATA);
589 progdac[4] = inTi3026(PMINFO TVP3026_XLOOPPLLDATA);
590 outTi3026(PMINFO TVP3026_XPLLADDR, 0x2A);
591 progdac[2] = inTi3026(PMINFO TVP3026_XPIXPLLDATA);
592 progdac[5] = inTi3026(PMINFO TVP3026_XLOOPPLLDATA);
593
594 CRITEND
595 if (memcmp(hw->DACclk, progdac, 6)) {
596 /* agrhh... setting up PLL is very slow on Millennium... */
597 /* Mystique PLL is locked in few ms, but Millennium PLL lock takes about 0.15 s... */
598 /* Maybe even we should call schedule() ? */
599
600 CRITBEGIN
601 outTi3026(PMINFO TVP3026_XCLKCTRL, hw->DACreg[POS3026_XCLKCTRL]);
602 outTi3026(PMINFO TVP3026_XPLLADDR, 0x2A);
603 outTi3026(PMINFO TVP3026_XLOOPPLLDATA, 0);
604 outTi3026(PMINFO TVP3026_XPIXPLLDATA, 0);
605
606 outTi3026(PMINFO TVP3026_XPLLADDR, 0x00);
607 for (i = 0; i < 3; i++)
608 outTi3026(PMINFO TVP3026_XPIXPLLDATA, hw->DACclk[i]);
609 /* wait for PLL only if PLL clock requested (always for PowerMode, never for VGA) */
610 if (hw->MiscOutReg & 0x08) {
611 int tmout;
612 outTi3026(PMINFO TVP3026_XPLLADDR, 0x3F);
613 for (tmout = 500000; tmout; --tmout) {
614 if (inTi3026(PMINFO TVP3026_XPIXPLLDATA) & 0x40)
615 break;
616 udelay(10);
617 }
618
619 CRITEND
620
621 if (!tmout)
622 printk(KERN_ERR "matroxfb: Pixel PLL not locked after 5 secs\n");
623 else
624 dprintk(KERN_INFO "PixelPLL: %d\n", 500000-tmout);
625 CRITBEGIN
626 }
627 outTi3026(PMINFO TVP3026_XMEMPLLCTRL, hw->DACreg[POS3026_XMEMPLLCTRL]);
628 outTi3026(PMINFO TVP3026_XPLLADDR, 0x00);
629 for (i = 3; i < 6; i++)
630 outTi3026(PMINFO TVP3026_XLOOPPLLDATA, hw->DACclk[i]);
631 CRITEND
632 if ((hw->MiscOutReg & 0x08) && ((hw->DACclk[5] & 0x80) == 0x80)) {
633 int tmout;
634
635 CRITBEGIN
636 outTi3026(PMINFO TVP3026_XPLLADDR, 0x3F);
637 for (tmout = 500000; tmout; --tmout) {
638 if (inTi3026(PMINFO TVP3026_XLOOPPLLDATA) & 0x40)
639 break;
640 udelay(10);
641 }
642 CRITEND
643 if (!tmout)
644 printk(KERN_ERR "matroxfb: Loop PLL not locked after 5 secs\n");
645 else
646 dprintk(KERN_INFO "LoopPLL: %d\n", 500000-tmout);
647 }
648 }
649
650#ifdef DEBUG
651 dprintk(KERN_DEBUG "3026DACregs ");
652 for (i = 0; i < 21; i++) {
653 dprintk("R%02X=%02X ", DACseq[i], hw->DACreg[i]);
ad361c98 654 if ((i & 0x7) == 0x7) dprintk(KERN_DEBUG "continuing... ");
1da177e4 655 }
ad361c98 656 dprintk(KERN_DEBUG "DACclk ");
1da177e4
LT		 657 for (i = 0; i < 6; i++)
658 dprintk("C%02X=%02X ", i, hw->DACclk[i]);
659 dprintk("\n");
660#endif
661}
662
663static void Ti3026_reset(WPMINFO2) {
664
5ae12170 665 DBG(__func__)
1da177e4
LT		 666
667 ti3026_ramdac_init(PMINFO2);
668}
669
670static struct matrox_altout ti3026_output = {
671 .name = "Primary output",
672};
673
674static int Ti3026_preinit(WPMINFO2) {
675 static const int vxres_mill2[] = { 512, 640, 768, 800, 832, 960,
676 1024, 1152, 1280, 1600, 1664, 1920,
677 2048, 0};
678 static const int vxres_mill1[] = { 640, 768, 800, 960,
679 1024, 1152, 1280, 1600, 1920,
680 2048, 0};
681 struct matrox_hw_state* hw = &ACCESS_FBINFO(hw);
682
5ae12170 683 DBG(__func__)
1da177e4
LT		 684
685 ACCESS_FBINFO(millenium) = 1;
686 ACCESS_FBINFO(milleniumII) = (ACCESS_FBINFO(pcidev)->device != PCI_DEVICE_ID_MATROX_MIL);
687 ACCESS_FBINFO(capable.cfb4) = 1;
688 ACCESS_FBINFO(capable.text) = 1; /* isMilleniumII(MINFO); */
689 ACCESS_FBINFO(capable.vxres) = isMilleniumII(MINFO)?vxres_mill2:vxres_mill1;
690
691 ACCESS_FBINFO(outputs[0]).data = MINFO;
692 ACCESS_FBINFO(outputs[0]).output = &ti3026_output;
693 ACCESS_FBINFO(outputs[0]).src = ACCESS_FBINFO(outputs[0]).default_src;
694 ACCESS_FBINFO(outputs[0]).mode = MATROXFB_OUTPUT_MODE_MONITOR;
695
696 if (ACCESS_FBINFO(devflags.noinit))
697 return 0;
698 /* preserve VGA I/O, BIOS and PPC */
699 hw->MXoptionReg &= 0xC0000100;
700 hw->MXoptionReg |= 0x002C0000;
701 if (ACCESS_FBINFO(devflags.novga))
702 hw->MXoptionReg &= ~0x00000100;
703 if (ACCESS_FBINFO(devflags.nobios))
704 hw->MXoptionReg &= ~0x40000000;
705 if (ACCESS_FBINFO(devflags.nopciretry))
706 hw->MXoptionReg |= 0x20000000;
707 pci_write_config_dword(ACCESS_FBINFO(pcidev), PCI_OPTION_REG, hw->MXoptionReg);
708
709 ACCESS_FBINFO(accel.ramdac_rev) = inTi3026(PMINFO TVP3026_XSILICONREV);
710
711 outTi3026(PMINFO TVP3026_XCLKCTRL, TVP3026_XCLKCTRL_SRC_CLK0VGA | TVP3026_XCLKCTRL_CLKSTOPPED);
712 outTi3026(PMINFO TVP3026_XTRUECOLORCTRL, TVP3026_XTRUECOLORCTRL_PSEUDOCOLOR);
713 outTi3026(PMINFO TVP3026_XMUXCTRL, TVP3026_XMUXCTRL_VGA);
714
715 outTi3026(PMINFO TVP3026_XPLLADDR, 0x2A);
716 outTi3026(PMINFO TVP3026_XLOOPPLLDATA, 0x00);
717 outTi3026(PMINFO TVP3026_XPIXPLLDATA, 0x00);
718
719 mga_outb(M_MISC_REG, 0x67);
720
721 outTi3026(PMINFO TVP3026_XMEMPLLCTRL, TVP3026_XMEMPLLCTRL_STROBEMKC4 | TVP3026_XMEMPLLCTRL_MCLK_MCLKPLL);
722
723 mga_outl(M_RESET, 1);
724 udelay(250);
725 mga_outl(M_RESET, 0);
726 udelay(250);
727 mga_outl(M_MACCESS, 0x00008000);
728 udelay(10);
729 return 0;
730}
731
732struct matrox_switch matrox_millennium = {
733 Ti3026_preinit, Ti3026_reset, Ti3026_init, Ti3026_restore
734};
735EXPORT_SYMBOL(matrox_millennium);
736#endif
737MODULE_LICENSE("GPL");
kernel source for telekom puls (alcatel/mediatek)