1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* |
3 | * |
4 | * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200, G400 and G450. |
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 | * See matroxfb_base.c for contributors. |
13 | * |
14 | */ |
15 | |
16 | #include "matroxfb_maven.h" |
17 | #include "matroxfb_misc.h" |
18 | #include "matroxfb_DAC1064.h" |
19 | #include <linux/i2c.h> |
20 | #include <linux/matroxfb.h> |
21 | #include <linux/slab.h> |
22 | #include <asm/div64.h> |
23 | |
24 | #define MGATVO_B 1 |
25 | #define MGATVO_C 2 |
26 | |
27 | static const struct maven_gamma { |
28 | unsigned char reg83; |
29 | unsigned char reg84; |
30 | unsigned char reg85; |
31 | unsigned char reg86; |
32 | unsigned char reg87; |
33 | unsigned char reg88; |
34 | unsigned char reg89; |
35 | unsigned char reg8a; |
36 | unsigned char reg8b; |
37 | } maven_gamma[] = { |
38 | { 131, 57, 223, 15, 117, 212, 251, 91, 156}, |
39 | { 133, 61, 128, 63, 180, 147, 195, 100, 180}, |
40 | { 131, 19, 63, 31, 50, 66, 171, 64, 176}, |
41 | { 0, 0, 0, 31, 16, 16, 16, 100, 200}, |
42 | { 8, 23, 47, 73, 147, 244, 220, 80, 195}, |
43 | { 22, 43, 64, 80, 147, 115, 58, 85, 168}, |
44 | { 34, 60, 80, 214, 147, 212, 188, 85, 167}, |
45 | { 45, 77, 96, 216, 147, 99, 91, 85, 159}, |
46 | { 56, 76, 112, 107, 147, 212, 148, 64, 144}, |
47 | { 65, 91, 128, 137, 147, 196, 17, 69, 148}, |
48 | { 72, 104, 136, 138, 147, 180, 245, 73, 147}, |
49 | { 87, 116, 143, 126, 16, 83, 229, 77, 144}, |
50 | { 95, 119, 152, 254, 244, 83, 221, 77, 151}, |
51 | { 100, 129, 159, 156, 244, 148, 197, 77, 160}, |
52 | { 105, 141, 167, 247, 244, 132, 181, 84, 166}, |
53 | { 105, 147, 168, 247, 244, 245, 181, 90, 170}, |
54 | { 120, 153, 175, 248, 212, 229, 165, 90, 180}, |
55 | { 119, 156, 176, 248, 244, 229, 84, 74, 160}, |
56 | { 119, 158, 183, 248, 244, 229, 149, 78, 165} |
57 | }; |
58 | |
59 | /* Definition of the various controls */ |
60 | struct mctl { |
61 | struct v4l2_queryctrl desc; |
62 | size_t control; |
63 | }; |
64 | |
65 | #define BLMIN 0x0FF |
66 | #define WLMAX 0x3FF |
67 | |
68 | static const struct mctl maven_controls[] = |
69 | { { { V4L2_CID_BRIGHTNESS, V4L2_CTRL_TYPE_INTEGER, |
70 | "brightness" , |
71 | 0, WLMAX - BLMIN, 1, 379 - BLMIN, |
72 | 0, |
73 | }, offsetof(struct matrox_fb_info, altout.tvo_params.brightness) }, |
74 | { { V4L2_CID_CONTRAST, V4L2_CTRL_TYPE_INTEGER, |
75 | "contrast" , |
76 | 0, 1023, 1, 127, |
77 | 0, |
78 | }, offsetof(struct matrox_fb_info, altout.tvo_params.contrast) }, |
79 | { { V4L2_CID_SATURATION, V4L2_CTRL_TYPE_INTEGER, |
80 | "saturation" , |
81 | 0, 255, 1, 155, |
82 | 0, |
83 | }, offsetof(struct matrox_fb_info, altout.tvo_params.saturation) }, |
84 | { { V4L2_CID_HUE, V4L2_CTRL_TYPE_INTEGER, |
85 | "hue" , |
86 | 0, 255, 1, 0, |
87 | 0, |
88 | }, offsetof(struct matrox_fb_info, altout.tvo_params.hue) }, |
89 | { { V4L2_CID_GAMMA, V4L2_CTRL_TYPE_INTEGER, |
90 | "gamma" , |
91 | 0, ARRAY_SIZE(maven_gamma) - 1, 1, 3, |
92 | 0, |
93 | }, offsetof(struct matrox_fb_info, altout.tvo_params.gamma) }, |
94 | { { MATROXFB_CID_TESTOUT, V4L2_CTRL_TYPE_BOOLEAN, |
95 | "test output" , |
96 | 0, 1, 1, 0, |
97 | 0, |
98 | }, offsetof(struct matrox_fb_info, altout.tvo_params.testout) }, |
99 | { { MATROXFB_CID_DEFLICKER, V4L2_CTRL_TYPE_INTEGER, |
100 | "deflicker mode" , |
101 | 0, 2, 1, 0, |
102 | 0, |
103 | }, offsetof(struct matrox_fb_info, altout.tvo_params.deflicker) }, |
104 | |
105 | }; |
106 | |
107 | #define MAVCTRLS ARRAY_SIZE(maven_controls) |
108 | |
109 | /* Return: positive number: id found |
110 | -EINVAL: id not found, return failure |
111 | -ENOENT: id not found, create fake disabled control */ |
112 | static int get_ctrl_id(__u32 v4l2_id) { |
113 | int i; |
114 | |
115 | for (i = 0; i < MAVCTRLS; i++) { |
116 | if (v4l2_id < maven_controls[i].desc.id) { |
117 | if (maven_controls[i].desc.id == 0x08000000) { |
118 | return -EINVAL; |
119 | } |
120 | return -ENOENT; |
121 | } |
122 | if (v4l2_id == maven_controls[i].desc.id) { |
123 | return i; |
124 | } |
125 | } |
126 | return -EINVAL; |
127 | } |
128 | |
129 | struct maven_data { |
130 | struct matrox_fb_info* primary_head; |
131 | struct i2c_client *client; |
132 | int version; |
133 | }; |
134 | |
135 | static int* get_ctrl_ptr(struct maven_data* md, int idx) { |
136 | return (int*)((char*)(md->primary_head) + maven_controls[idx].control); |
137 | } |
138 | |
139 | static int maven_get_reg(struct i2c_client* c, char reg) { |
140 | char dst; |
141 | struct i2c_msg msgs[] = { |
142 | { |
143 | .addr = c->addr, |
144 | .flags = I2C_M_REV_DIR_ADDR, |
145 | .len = sizeof(reg), |
146 | .buf = ® |
147 | }, |
148 | { |
149 | .addr = c->addr, |
150 | .flags = I2C_M_RD | I2C_M_NOSTART, |
151 | .len = sizeof(dst), |
152 | .buf = &dst |
153 | } |
154 | }; |
155 | s32 err; |
156 | |
157 | err = i2c_transfer(adap: c->adapter, msgs, num: 2); |
158 | if (err < 0) |
159 | printk(KERN_INFO "ReadReg(%d) failed\n" , reg); |
160 | return dst & 0xFF; |
161 | } |
162 | |
163 | static int maven_set_reg(struct i2c_client* c, int reg, int val) { |
164 | s32 err; |
165 | |
166 | err = i2c_smbus_write_byte_data(client: c, command: reg, value: val); |
167 | if (err) |
168 | printk(KERN_INFO "WriteReg(%d) failed\n" , reg); |
169 | return err; |
170 | } |
171 | |
172 | static int maven_set_reg_pair(struct i2c_client* c, int reg, int val) { |
173 | s32 err; |
174 | |
175 | err = i2c_smbus_write_word_data(client: c, command: reg, value: val); |
176 | if (err) |
177 | printk(KERN_INFO "WriteRegPair(%d) failed\n" , reg); |
178 | return err; |
179 | } |
180 | |
181 | static const struct matrox_pll_features maven_pll = { |
182 | 50000, |
183 | 27000, |
184 | 4, 127, |
185 | 2, 31, |
186 | 3 |
187 | }; |
188 | |
189 | struct matrox_pll_features2 { |
190 | unsigned int vco_freq_min; |
191 | unsigned int vco_freq_max; |
192 | unsigned int feed_div_min; |
193 | unsigned int feed_div_max; |
194 | unsigned int in_div_min; |
195 | unsigned int in_div_max; |
196 | unsigned int post_shift_max; |
197 | }; |
198 | |
199 | struct matrox_pll_ctl { |
200 | unsigned int ref_freq; |
201 | unsigned int den; |
202 | }; |
203 | |
204 | static const struct matrox_pll_features2 maven1000_pll = { |
205 | .vco_freq_min = 50000000, |
206 | .vco_freq_max = 300000000, |
207 | .feed_div_min = 5, |
208 | .feed_div_max = 128, |
209 | .in_div_min = 3, |
210 | .in_div_max = 32, |
211 | .post_shift_max = 3 |
212 | }; |
213 | |
214 | static const struct matrox_pll_ctl maven_PAL = { |
215 | .ref_freq = 540000, |
216 | .den = 50 |
217 | }; |
218 | |
219 | static const struct matrox_pll_ctl maven_NTSC = { |
220 | .ref_freq = 450450, /* 27027000/60 == 27000000/59.94005994 */ |
221 | .den = 60 |
222 | }; |
223 | |
224 | static int matroxfb_PLL_mavenclock(const struct matrox_pll_features2* pll, |
225 | const struct matrox_pll_ctl* ctl, |
226 | unsigned int htotal, unsigned int vtotal, |
227 | unsigned int* in, unsigned int* feed, unsigned int* post, |
228 | unsigned int* h2) { |
229 | unsigned int besth2 = 0; |
230 | unsigned int fxtal = ctl->ref_freq; |
231 | unsigned int fmin = pll->vco_freq_min / ctl->den; |
232 | unsigned int fwant; |
233 | unsigned int p; |
234 | unsigned int scrlen; |
235 | unsigned int fmax; |
236 | |
237 | DBG(__func__) |
238 | |
239 | scrlen = htotal * (vtotal - 1); |
240 | fwant = htotal * vtotal; |
241 | fmax = pll->vco_freq_max / ctl->den; |
242 | |
243 | dprintk(KERN_DEBUG "want: %u, xtal: %u, h: %u, v: %u, fmax: %u\n" , |
244 | fwant, fxtal, htotal, vtotal, fmax); |
245 | for (p = 1; p <= pll->post_shift_max; p++) { |
246 | if (fwant * 2 > fmax) |
247 | break; |
248 | fwant *= 2; |
249 | } |
250 | if (fwant > fmax) |
251 | return 0; |
252 | for (; p-- > 0; fwant >>= 1) { |
253 | unsigned int m; |
254 | |
255 | if (fwant < fmin) break; |
256 | for (m = pll->in_div_min; m <= pll->in_div_max; m++) { |
257 | unsigned int n; |
258 | unsigned int dvd; |
259 | unsigned int ln; |
260 | |
261 | n = (fwant * m) / fxtal; |
262 | if (n < pll->feed_div_min) |
263 | continue; |
264 | if (n > pll->feed_div_max) |
265 | break; |
266 | |
267 | ln = fxtal * n; |
268 | dvd = m << p; |
269 | |
270 | if (ln % dvd) |
271 | continue; |
272 | ln = ln / dvd; |
273 | |
274 | if (ln < scrlen + 2) |
275 | continue; |
276 | ln = ln - scrlen; |
277 | if (ln > htotal) |
278 | continue; |
279 | dprintk(KERN_DEBUG "Match: %u / %u / %u / %u\n" , n, m, p, ln); |
280 | if (ln > besth2) { |
281 | dprintk(KERN_DEBUG "Better...\n" ); |
282 | *h2 = besth2 = ln; |
283 | *post = p; |
284 | *in = m; |
285 | *feed = n; |
286 | } |
287 | } |
288 | } |
289 | |
290 | /* if h2/post/in/feed have not been assigned, return zero (error) */ |
291 | if (besth2 < 2) |
292 | return 0; |
293 | |
294 | dprintk(KERN_ERR "clk: %02X %02X %02X %d %d\n" , *in, *feed, *post, fxtal, fwant); |
295 | return fxtal * (*feed) / (*in) * ctl->den; |
296 | } |
297 | |
298 | static int matroxfb_mavenclock(const struct matrox_pll_ctl *ctl, |
299 | unsigned int htotal, unsigned int vtotal, |
300 | unsigned int* in, unsigned int* feed, unsigned int* post, |
301 | unsigned int* htotal2) { |
302 | unsigned int fvco; |
303 | unsigned int p; |
304 | |
305 | fvco = matroxfb_PLL_mavenclock(pll: &maven1000_pll, ctl, htotal, vtotal, in, feed, post: &p, h2: htotal2); |
306 | if (!fvco) |
307 | return -EINVAL; |
308 | p = (1 << p) - 1; |
309 | if (fvco <= 100000000) |
310 | ; |
311 | else if (fvco <= 140000000) |
312 | p |= 0x08; |
313 | else if (fvco <= 180000000) |
314 | p |= 0x10; |
315 | else |
316 | p |= 0x18; |
317 | *post = p; |
318 | return 0; |
319 | } |
320 | |
321 | static void DAC1064_calcclock(unsigned int freq, unsigned int fmax, |
322 | unsigned int* in, unsigned int* feed, unsigned int* post) { |
323 | unsigned int fvco; |
324 | unsigned int p; |
325 | |
326 | fvco = matroxfb_PLL_calcclock(pll: &maven_pll, freq, fmax, in, feed, post: &p); |
327 | p = (1 << p) - 1; |
328 | if (fvco <= 100000) |
329 | ; |
330 | else if (fvco <= 140000) |
331 | p |= 0x08; |
332 | else if (fvco <= 180000) |
333 | p |= 0x10; |
334 | else |
335 | p |= 0x18; |
336 | *post = p; |
337 | return; |
338 | } |
339 | |
340 | static unsigned char maven_compute_deflicker (const struct maven_data* md) { |
341 | unsigned char df; |
342 | |
343 | df = (md->version == MGATVO_B?0x40:0x00); |
344 | switch (md->primary_head->altout.tvo_params.deflicker) { |
345 | case 0: |
346 | /* df |= 0x00; */ |
347 | break; |
348 | case 1: |
349 | df |= 0xB1; |
350 | break; |
351 | case 2: |
352 | df |= 0xA2; |
353 | break; |
354 | } |
355 | return df; |
356 | } |
357 | |
358 | static void maven_compute_bwlevel (const struct maven_data* md, |
359 | int *bl, int *wl) { |
360 | const int b = md->primary_head->altout.tvo_params.brightness + BLMIN; |
361 | const int c = md->primary_head->altout.tvo_params.contrast; |
362 | |
363 | *bl = max(b - c, BLMIN); |
364 | *wl = min(b + c, WLMAX); |
365 | } |
366 | |
367 | static const struct maven_gamma* maven_compute_gamma (const struct maven_data* md) { |
368 | return maven_gamma + md->primary_head->altout.tvo_params.gamma; |
369 | } |
370 | |
371 | |
372 | static void maven_init_TVdata(const struct maven_data* md, struct mavenregs* data) { |
373 | static struct mavenregs palregs = { { |
374 | 0x2A, 0x09, 0x8A, 0xCB, /* 00: chroma subcarrier */ |
375 | 0x00, |
376 | 0x00, /* ? not written */ |
377 | 0x00, /* modified by code (F9 written...) */ |
378 | 0x00, /* ? not written */ |
379 | 0x7E, /* 08 */ |
380 | 0x44, /* 09 */ |
381 | 0x9C, /* 0A */ |
382 | 0x2E, /* 0B */ |
383 | 0x21, /* 0C */ |
384 | 0x00, /* ? not written */ |
385 | 0x3F, 0x03, /* 0E-0F */ |
386 | 0x3F, 0x03, /* 10-11 */ |
387 | 0x1A, /* 12 */ |
388 | 0x2A, /* 13 */ |
389 | 0x1C, 0x3D, 0x14, /* 14-16 */ |
390 | 0x9C, 0x01, /* 17-18 */ |
391 | 0x00, /* 19 */ |
392 | 0xFE, /* 1A */ |
393 | 0x7E, /* 1B */ |
394 | 0x60, /* 1C */ |
395 | 0x05, /* 1D */ |
396 | 0x89, 0x03, /* 1E-1F */ |
397 | 0x72, /* 20 */ |
398 | 0x07, /* 21 */ |
399 | 0x72, /* 22 */ |
400 | 0x00, /* 23 */ |
401 | 0x00, /* 24 */ |
402 | 0x00, /* 25 */ |
403 | 0x08, /* 26 */ |
404 | 0x04, /* 27 */ |
405 | 0x00, /* 28 */ |
406 | 0x1A, /* 29 */ |
407 | 0x55, 0x01, /* 2A-2B */ |
408 | 0x26, /* 2C */ |
409 | 0x07, 0x7E, /* 2D-2E */ |
410 | 0x02, 0x54, /* 2F-30 */ |
411 | 0xB0, 0x00, /* 31-32 */ |
412 | 0x14, /* 33 */ |
413 | 0x49, /* 34 */ |
414 | 0x00, /* 35 written multiple times */ |
415 | 0x00, /* 36 not written */ |
416 | 0xA3, /* 37 */ |
417 | 0xC8, /* 38 */ |
418 | 0x22, /* 39 */ |
419 | 0x02, /* 3A */ |
420 | 0x22, /* 3B */ |
421 | 0x3F, 0x03, /* 3C-3D */ |
422 | 0x00, /* 3E written multiple times */ |
423 | 0x00, /* 3F not written */ |
424 | }, MATROXFB_OUTPUT_MODE_PAL, 625, 50 }; |
425 | static struct mavenregs ntscregs = { { |
426 | 0x21, 0xF0, 0x7C, 0x1F, /* 00: chroma subcarrier */ |
427 | 0x00, |
428 | 0x00, /* ? not written */ |
429 | 0x00, /* modified by code (F9 written...) */ |
430 | 0x00, /* ? not written */ |
431 | 0x7E, /* 08 */ |
432 | 0x43, /* 09 */ |
433 | 0x7E, /* 0A */ |
434 | 0x3D, /* 0B */ |
435 | 0x00, /* 0C */ |
436 | 0x00, /* ? not written */ |
437 | 0x41, 0x00, /* 0E-0F */ |
438 | 0x3C, 0x00, /* 10-11 */ |
439 | 0x17, /* 12 */ |
440 | 0x21, /* 13 */ |
441 | 0x1B, 0x1B, 0x24, /* 14-16 */ |
442 | 0x83, 0x01, /* 17-18 */ |
443 | 0x00, /* 19 */ |
444 | 0x0F, /* 1A */ |
445 | 0x0F, /* 1B */ |
446 | 0x60, /* 1C */ |
447 | 0x05, /* 1D */ |
448 | 0x89, 0x02, /* 1E-1F */ |
449 | 0x5F, /* 20 */ |
450 | 0x04, /* 21 */ |
451 | 0x5F, /* 22 */ |
452 | 0x01, /* 23 */ |
453 | 0x02, /* 24 */ |
454 | 0x00, /* 25 */ |
455 | 0x0A, /* 26 */ |
456 | 0x05, /* 27 */ |
457 | 0x00, /* 28 */ |
458 | 0x10, /* 29 */ |
459 | 0xFF, 0x03, /* 2A-2B */ |
460 | 0x24, /* 2C */ |
461 | 0x0F, 0x78, /* 2D-2E */ |
462 | 0x00, 0x00, /* 2F-30 */ |
463 | 0xB2, 0x04, /* 31-32 */ |
464 | 0x14, /* 33 */ |
465 | 0x02, /* 34 */ |
466 | 0x00, /* 35 written multiple times */ |
467 | 0x00, /* 36 not written */ |
468 | 0xA3, /* 37 */ |
469 | 0xC8, /* 38 */ |
470 | 0x15, /* 39 */ |
471 | 0x05, /* 3A */ |
472 | 0x3B, /* 3B */ |
473 | 0x3C, 0x00, /* 3C-3D */ |
474 | 0x00, /* 3E written multiple times */ |
475 | 0x00, /* never written */ |
476 | }, MATROXFB_OUTPUT_MODE_NTSC, 525, 60 }; |
477 | struct matrox_fb_info *minfo = md->primary_head; |
478 | |
479 | if (minfo->outputs[1].mode == MATROXFB_OUTPUT_MODE_PAL) |
480 | *data = palregs; |
481 | else |
482 | *data = ntscregs; |
483 | |
484 | /* Set deflicker */ |
485 | data->regs[0x93] = maven_compute_deflicker(md); |
486 | |
487 | /* set gamma */ |
488 | { |
489 | const struct maven_gamma* g; |
490 | g = maven_compute_gamma(md); |
491 | data->regs[0x83] = g->reg83; |
492 | data->regs[0x84] = g->reg84; |
493 | data->regs[0x85] = g->reg85; |
494 | data->regs[0x86] = g->reg86; |
495 | data->regs[0x87] = g->reg87; |
496 | data->regs[0x88] = g->reg88; |
497 | data->regs[0x89] = g->reg89; |
498 | data->regs[0x8A] = g->reg8a; |
499 | data->regs[0x8B] = g->reg8b; |
500 | } |
501 | |
502 | /* Set contrast / brightness */ |
503 | { |
504 | int bl, wl; |
505 | maven_compute_bwlevel (md, bl: &bl, wl: &wl); |
506 | data->regs[0x0e] = bl >> 2; |
507 | data->regs[0x0f] = bl & 3; |
508 | data->regs[0x1e] = wl >> 2; |
509 | data->regs[0x1f] = wl & 3; |
510 | } |
511 | |
512 | /* Set saturation */ |
513 | { |
514 | data->regs[0x20] = |
515 | data->regs[0x22] = minfo->altout.tvo_params.saturation; |
516 | } |
517 | |
518 | /* Set HUE */ |
519 | data->regs[0x25] = minfo->altout.tvo_params.hue; |
520 | return; |
521 | } |
522 | |
523 | #define LR(x) maven_set_reg(c, (x), m->regs[(x)]) |
524 | #define LRP(x) maven_set_reg_pair(c, (x), m->regs[(x)] | (m->regs[(x)+1] << 8)) |
525 | static void maven_init_TV(struct i2c_client* c, const struct mavenregs* m) { |
526 | int val; |
527 | |
528 | |
529 | maven_set_reg(c, reg: 0x3E, val: 0x01); |
530 | maven_get_reg(c, reg: 0x82); /* fetch oscillator state? */ |
531 | maven_set_reg(c, reg: 0x8C, val: 0x00); |
532 | maven_get_reg(c, reg: 0x94); /* get 0x82 */ |
533 | maven_set_reg(c, reg: 0x94, val: 0xA2); |
534 | /* xmiscctrl */ |
535 | |
536 | maven_set_reg_pair(c, reg: 0x8E, val: 0x1EFF); |
537 | maven_set_reg(c, reg: 0xC6, val: 0x01); |
538 | |
539 | /* removed code... */ |
540 | |
541 | maven_get_reg(c, reg: 0x06); |
542 | maven_set_reg(c, reg: 0x06, val: 0xF9); /* or read |= 0xF0 ? */ |
543 | |
544 | /* removed code here... */ |
545 | |
546 | /* real code begins here? */ |
547 | /* chroma subcarrier */ |
548 | LR(0x00); LR(0x01); LR(0x02); LR(0x03); |
549 | |
550 | LR(0x04); |
551 | |
552 | LR(0x2C); |
553 | LR(0x08); |
554 | LR(0x0A); |
555 | LR(0x09); |
556 | LR(0x29); |
557 | LRP(0x31); |
558 | LRP(0x17); |
559 | LR(0x0B); |
560 | LR(0x0C); |
561 | if (m->mode == MATROXFB_OUTPUT_MODE_PAL) { |
562 | maven_set_reg(c, reg: 0x35, val: 0x10); /* ... */ |
563 | } else { |
564 | maven_set_reg(c, reg: 0x35, val: 0x0F); /* ... */ |
565 | } |
566 | |
567 | LRP(0x10); |
568 | |
569 | LRP(0x0E); |
570 | LRP(0x1E); |
571 | |
572 | LR(0x20); /* saturation #1 */ |
573 | LR(0x22); /* saturation #2 */ |
574 | LR(0x25); /* hue */ |
575 | LR(0x34); |
576 | LR(0x33); |
577 | LR(0x19); |
578 | LR(0x12); |
579 | LR(0x3B); |
580 | LR(0x13); |
581 | LR(0x39); |
582 | LR(0x1D); |
583 | LR(0x3A); |
584 | LR(0x24); |
585 | LR(0x14); |
586 | LR(0x15); |
587 | LR(0x16); |
588 | LRP(0x2D); |
589 | LRP(0x2F); |
590 | LR(0x1A); |
591 | LR(0x1B); |
592 | LR(0x1C); |
593 | LR(0x23); |
594 | LR(0x26); |
595 | LR(0x28); |
596 | LR(0x27); |
597 | LR(0x21); |
598 | LRP(0x2A); |
599 | if (m->mode == MATROXFB_OUTPUT_MODE_PAL) |
600 | maven_set_reg(c, reg: 0x35, val: 0x1D); /* ... */ |
601 | else |
602 | maven_set_reg(c, reg: 0x35, val: 0x1C); |
603 | |
604 | LRP(0x3C); |
605 | LR(0x37); |
606 | LR(0x38); |
607 | maven_set_reg(c, reg: 0xB3, val: 0x01); |
608 | |
609 | maven_get_reg(c, reg: 0xB0); /* read 0x80 */ |
610 | maven_set_reg(c, reg: 0xB0, val: 0x08); /* ugh... */ |
611 | maven_get_reg(c, reg: 0xB9); /* read 0x7C */ |
612 | maven_set_reg(c, reg: 0xB9, val: 0x78); |
613 | maven_get_reg(c, reg: 0xBF); /* read 0x00 */ |
614 | maven_set_reg(c, reg: 0xBF, val: 0x02); |
615 | maven_get_reg(c, reg: 0x94); /* read 0x82 */ |
616 | maven_set_reg(c, reg: 0x94, val: 0xB3); |
617 | |
618 | LR(0x80); /* 04 1A 91 or 05 21 91 */ |
619 | LR(0x81); |
620 | LR(0x82); |
621 | |
622 | maven_set_reg(c, reg: 0x8C, val: 0x20); |
623 | maven_get_reg(c, reg: 0x8D); |
624 | maven_set_reg(c, reg: 0x8D, val: 0x10); |
625 | |
626 | LR(0x90); /* 4D 50 52 or 4E 05 45 */ |
627 | LR(0x91); |
628 | LR(0x92); |
629 | |
630 | LRP(0x9A); /* 0049 or 004F */ |
631 | LRP(0x9C); /* 0004 or 0004 */ |
632 | LRP(0x9E); /* 0458 or 045E */ |
633 | LRP(0xA0); /* 05DA or 051B */ |
634 | LRP(0xA2); /* 00CC or 00CF */ |
635 | LRP(0xA4); /* 007D or 007F */ |
636 | LRP(0xA6); /* 007C or 007E */ |
637 | LRP(0xA8); /* 03CB or 03CE */ |
638 | LRP(0x98); /* 0000 or 0000 */ |
639 | LRP(0xAE); /* 0044 or 003A */ |
640 | LRP(0x96); /* 05DA or 051B */ |
641 | LRP(0xAA); /* 04BC or 046A */ |
642 | LRP(0xAC); /* 004D or 004E */ |
643 | |
644 | LR(0xBE); |
645 | LR(0xC2); |
646 | |
647 | maven_get_reg(c, reg: 0x8D); |
648 | maven_set_reg(c, reg: 0x8D, val: 0x04); |
649 | |
650 | LR(0x20); /* saturation #1 */ |
651 | LR(0x22); /* saturation #2 */ |
652 | LR(0x93); /* whoops */ |
653 | LR(0x20); /* oh, saturation #1 again */ |
654 | LR(0x22); /* oh, saturation #2 again */ |
655 | LR(0x25); /* hue */ |
656 | LRP(0x0E); |
657 | LRP(0x1E); |
658 | LRP(0x0E); /* problems with memory? */ |
659 | LRP(0x1E); /* yes, matrox must have problems in memory area... */ |
660 | |
661 | /* load gamma correction stuff */ |
662 | LR(0x83); |
663 | LR(0x84); |
664 | LR(0x85); |
665 | LR(0x86); |
666 | LR(0x87); |
667 | LR(0x88); |
668 | LR(0x89); |
669 | LR(0x8A); |
670 | LR(0x8B); |
671 | |
672 | val = maven_get_reg(c, reg: 0x8D); |
673 | val &= 0x14; /* 0x10 or anything ored with it */ |
674 | maven_set_reg(c, reg: 0x8D, val); |
675 | |
676 | LR(0x33); |
677 | LR(0x19); |
678 | LR(0x12); |
679 | LR(0x3B); |
680 | LR(0x13); |
681 | LR(0x39); |
682 | LR(0x1D); |
683 | LR(0x3A); |
684 | LR(0x24); |
685 | LR(0x14); |
686 | LR(0x15); |
687 | LR(0x16); |
688 | LRP(0x2D); |
689 | LRP(0x2F); |
690 | LR(0x1A); |
691 | LR(0x1B); |
692 | LR(0x1C); |
693 | LR(0x23); |
694 | LR(0x26); |
695 | LR(0x28); |
696 | LR(0x27); |
697 | LR(0x21); |
698 | LRP(0x2A); |
699 | if (m->mode == MATROXFB_OUTPUT_MODE_PAL) |
700 | maven_set_reg(c, reg: 0x35, val: 0x1D); |
701 | else |
702 | maven_set_reg(c, reg: 0x35, val: 0x1C); |
703 | LRP(0x3C); |
704 | LR(0x37); |
705 | LR(0x38); |
706 | |
707 | maven_get_reg(c, reg: 0xB0); |
708 | LR(0xB0); /* output mode */ |
709 | LR(0x90); |
710 | LR(0xBE); |
711 | LR(0xC2); |
712 | |
713 | LRP(0x9A); |
714 | LRP(0xA2); |
715 | LRP(0x9E); |
716 | LRP(0xA6); |
717 | LRP(0xAA); |
718 | LRP(0xAC); |
719 | maven_set_reg(c, reg: 0x3E, val: 0x00); |
720 | maven_set_reg(c, reg: 0x95, val: 0x20); |
721 | } |
722 | |
723 | static int maven_find_exact_clocks(unsigned int ht, unsigned int vt, |
724 | struct mavenregs* m) { |
725 | unsigned int x; |
726 | unsigned int err = ~0; |
727 | |
728 | /* 1:1 */ |
729 | m->regs[0x80] = 0x0F; |
730 | m->regs[0x81] = 0x07; |
731 | m->regs[0x82] = 0x81; |
732 | |
733 | for (x = 0; x < 8; x++) { |
734 | unsigned int c; |
735 | unsigned int a, b, |
736 | h2; |
737 | unsigned int h = ht + 2 + x; |
738 | |
739 | if (!matroxfb_mavenclock(ctl: (m->mode == MATROXFB_OUTPUT_MODE_PAL) ? &maven_PAL : &maven_NTSC, htotal: h, vtotal: vt, in: &a, feed: &b, post: &c, htotal2: &h2)) { |
740 | unsigned int diff = h - h2; |
741 | |
742 | if (diff < err) { |
743 | err = diff; |
744 | m->regs[0x80] = a - 1; |
745 | m->regs[0x81] = b - 1; |
746 | m->regs[0x82] = c | 0x80; |
747 | m->hcorr = h2 - 2; |
748 | m->htotal = h - 2; |
749 | } |
750 | } |
751 | } |
752 | return err != ~0U; |
753 | } |
754 | |
755 | static inline int maven_compute_timming(struct maven_data* md, |
756 | struct my_timming* mt, |
757 | struct mavenregs* m) { |
758 | unsigned int tmpi; |
759 | unsigned int a, bv, c; |
760 | struct matrox_fb_info *minfo = md->primary_head; |
761 | |
762 | m->mode = minfo->outputs[1].mode; |
763 | if (m->mode != MATROXFB_OUTPUT_MODE_MONITOR) { |
764 | unsigned int lmargin; |
765 | unsigned int umargin; |
766 | unsigned int vslen; |
767 | unsigned int hcrt; |
768 | unsigned int slen; |
769 | |
770 | maven_init_TVdata(md, data: m); |
771 | |
772 | if (maven_find_exact_clocks(ht: mt->HTotal, vt: mt->VTotal, m) == 0) |
773 | return -EINVAL; |
774 | |
775 | lmargin = mt->HTotal - mt->HSyncEnd; |
776 | slen = mt->HSyncEnd - mt->HSyncStart; |
777 | hcrt = mt->HTotal - slen - mt->delay; |
778 | umargin = mt->VTotal - mt->VSyncEnd; |
779 | vslen = mt->VSyncEnd - mt->VSyncStart; |
780 | |
781 | if (m->hcorr < mt->HTotal) |
782 | hcrt += m->hcorr; |
783 | if (hcrt > mt->HTotal) |
784 | hcrt -= mt->HTotal; |
785 | if (hcrt + 2 > mt->HTotal) |
786 | hcrt = 0; /* or issue warning? */ |
787 | |
788 | /* last (first? middle?) line in picture can have different length */ |
789 | /* hlen - 2 */ |
790 | m->regs[0x96] = m->hcorr; |
791 | m->regs[0x97] = m->hcorr >> 8; |
792 | /* ... */ |
793 | m->regs[0x98] = 0x00; m->regs[0x99] = 0x00; |
794 | /* hblanking end */ |
795 | m->regs[0x9A] = lmargin; /* 100% */ |
796 | m->regs[0x9B] = lmargin >> 8; /* 100% */ |
797 | /* who knows */ |
798 | m->regs[0x9C] = 0x04; |
799 | m->regs[0x9D] = 0x00; |
800 | /* htotal - 2 */ |
801 | m->regs[0xA0] = m->htotal; |
802 | m->regs[0xA1] = m->htotal >> 8; |
803 | /* vblanking end */ |
804 | m->regs[0xA2] = mt->VTotal - mt->VSyncStart - 1; /* stop vblanking */ |
805 | m->regs[0xA3] = (mt->VTotal - mt->VSyncStart - 1) >> 8; |
806 | /* something end... [A6]+1..[A8] */ |
807 | if (md->version == MGATVO_B) { |
808 | m->regs[0xA4] = 0x04; |
809 | m->regs[0xA5] = 0x00; |
810 | } else { |
811 | m->regs[0xA4] = 0x01; |
812 | m->regs[0xA5] = 0x00; |
813 | } |
814 | /* something start... 0..[A4]-1 */ |
815 | m->regs[0xA6] = 0x00; |
816 | m->regs[0xA7] = 0x00; |
817 | /* vertical line count - 1 */ |
818 | m->regs[0xA8] = mt->VTotal - 1; |
819 | m->regs[0xA9] = (mt->VTotal - 1) >> 8; |
820 | /* horizontal vidrst pos */ |
821 | m->regs[0xAA] = hcrt; /* 0 <= hcrt <= htotal - 2 */ |
822 | m->regs[0xAB] = hcrt >> 8; |
823 | /* vertical vidrst pos */ |
824 | m->regs[0xAC] = mt->VTotal - 2; |
825 | m->regs[0xAD] = (mt->VTotal - 2) >> 8; |
826 | /* moves picture up/down and so on... */ |
827 | m->regs[0xAE] = 0x01; /* Fix this... 0..VTotal */ |
828 | m->regs[0xAF] = 0x00; |
829 | { |
830 | int hdec; |
831 | int hlen; |
832 | unsigned int ibmin = 4 + lmargin + mt->HDisplay; |
833 | unsigned int ib; |
834 | int i; |
835 | |
836 | /* Verify! */ |
837 | /* Where 94208 came from? */ |
838 | if (mt->HTotal) |
839 | hdec = 94208 / (mt->HTotal); |
840 | else |
841 | hdec = 0x81; |
842 | if (hdec > 0x81) |
843 | hdec = 0x81; |
844 | if (hdec < 0x41) |
845 | hdec = 0x41; |
846 | hdec--; |
847 | hlen = 98304 - 128 - ((lmargin + mt->HDisplay - 8) * hdec); |
848 | if (hlen < 0) |
849 | hlen = 0; |
850 | hlen = hlen >> 8; |
851 | if (hlen > 0xFF) |
852 | hlen = 0xFF; |
853 | /* Now we have to compute input buffer length. |
854 | If you want any picture, it must be between |
855 | 4 + lmargin + xres |
856 | and |
857 | 94208 / hdec |
858 | If you want perfect picture even on the top |
859 | of screen, it must be also |
860 | 0x3C0000 * i / hdec + Q - R / hdec |
861 | where |
862 | R Qmin Qmax |
863 | 0x07000 0x5AE 0x5BF |
864 | 0x08000 0x5CF 0x5FF |
865 | 0x0C000 0x653 0x67F |
866 | 0x10000 0x6F8 0x6FF |
867 | */ |
868 | i = 1; |
869 | do { |
870 | ib = ((0x3C0000 * i - 0x8000)/ hdec + 0x05E7) >> 8; |
871 | i++; |
872 | } while (ib < ibmin); |
873 | if (ib >= m->htotal + 2) { |
874 | ib = ibmin; |
875 | } |
876 | |
877 | m->regs[0x90] = hdec; /* < 0x40 || > 0x80 is bad... 0x80 is questionable */ |
878 | m->regs[0xC2] = hlen; |
879 | /* 'valid' input line length */ |
880 | m->regs[0x9E] = ib; |
881 | m->regs[0x9F] = ib >> 8; |
882 | } |
883 | { |
884 | int vdec; |
885 | int vlen; |
886 | |
887 | #define MATROX_USE64BIT_DIVIDE |
888 | if (mt->VTotal) { |
889 | #ifdef MATROX_USE64BIT_DIVIDE |
890 | u64 f1; |
891 | u32 a; |
892 | u32 b; |
893 | |
894 | a = m->vlines * (m->htotal + 2); |
895 | b = (mt->VTotal - 1) * (m->htotal + 2) + m->hcorr + 2; |
896 | |
897 | f1 = ((u64)a) << 15; /* *32768 */ |
898 | do_div(f1, b); |
899 | vdec = f1; |
900 | #else |
901 | vdec = m->vlines * 32768 / mt->VTotal; |
902 | #endif |
903 | } else |
904 | vdec = 0x8000; |
905 | if (vdec > 0x8000) |
906 | vdec = 0x8000; |
907 | vlen = (vslen + umargin + mt->VDisplay) * vdec; |
908 | vlen = (vlen >> 16) - 146; /* FIXME: 146?! */ |
909 | if (vlen < 0) |
910 | vlen = 0; |
911 | if (vlen > 0xFF) |
912 | vlen = 0xFF; |
913 | vdec--; |
914 | m->regs[0x91] = vdec; |
915 | m->regs[0x92] = vdec >> 8; |
916 | m->regs[0xBE] = vlen; |
917 | } |
918 | m->regs[0xB0] = 0x08; /* output: SVideo/Composite */ |
919 | return 0; |
920 | } |
921 | |
922 | DAC1064_calcclock(freq: mt->pixclock, fmax: 450000, in: &a, feed: &bv, post: &c); |
923 | m->regs[0x80] = a; |
924 | m->regs[0x81] = bv; |
925 | m->regs[0x82] = c | 0x80; |
926 | |
927 | m->regs[0xB3] = 0x01; |
928 | m->regs[0x94] = 0xB2; |
929 | |
930 | /* htotal... */ |
931 | m->regs[0x96] = mt->HTotal; |
932 | m->regs[0x97] = mt->HTotal >> 8; |
933 | /* ?? */ |
934 | m->regs[0x98] = 0x00; |
935 | m->regs[0x99] = 0x00; |
936 | /* hsync len */ |
937 | tmpi = mt->HSyncEnd - mt->HSyncStart; |
938 | m->regs[0x9A] = tmpi; |
939 | m->regs[0x9B] = tmpi >> 8; |
940 | /* hblank end */ |
941 | tmpi = mt->HTotal - mt->HSyncStart; |
942 | m->regs[0x9C] = tmpi; |
943 | m->regs[0x9D] = tmpi >> 8; |
944 | /* hblank start */ |
945 | tmpi += mt->HDisplay; |
946 | m->regs[0x9E] = tmpi; |
947 | m->regs[0x9F] = tmpi >> 8; |
948 | /* htotal + 1 */ |
949 | tmpi = mt->HTotal + 1; |
950 | m->regs[0xA0] = tmpi; |
951 | m->regs[0xA1] = tmpi >> 8; |
952 | /* vsync?! */ |
953 | tmpi = mt->VSyncEnd - mt->VSyncStart - 1; |
954 | m->regs[0xA2] = tmpi; |
955 | m->regs[0xA3] = tmpi >> 8; |
956 | /* ignored? */ |
957 | tmpi = mt->VTotal - mt->VSyncStart; |
958 | m->regs[0xA4] = tmpi; |
959 | m->regs[0xA5] = tmpi >> 8; |
960 | /* ignored? */ |
961 | tmpi = mt->VTotal - 1; |
962 | m->regs[0xA6] = tmpi; |
963 | m->regs[0xA7] = tmpi >> 8; |
964 | /* vtotal - 1 */ |
965 | m->regs[0xA8] = tmpi; |
966 | m->regs[0xA9] = tmpi >> 8; |
967 | /* hor vidrst */ |
968 | tmpi = mt->HTotal - mt->delay; |
969 | m->regs[0xAA] = tmpi; |
970 | m->regs[0xAB] = tmpi >> 8; |
971 | /* vert vidrst */ |
972 | tmpi = mt->VTotal - 2; |
973 | m->regs[0xAC] = tmpi; |
974 | m->regs[0xAD] = tmpi >> 8; |
975 | /* ignored? */ |
976 | m->regs[0xAE] = 0x00; |
977 | m->regs[0xAF] = 0x00; |
978 | |
979 | m->regs[0xB0] = 0x03; /* output: monitor */ |
980 | m->regs[0xB1] = 0xA0; /* ??? */ |
981 | m->regs[0x8C] = 0x20; /* must be set... */ |
982 | m->regs[0x8D] = 0x04; /* defaults to 0x10: test signal */ |
983 | m->regs[0xB9] = 0x1A; /* defaults to 0x2C: too bright */ |
984 | m->regs[0xBF] = 0x22; /* makes picture stable */ |
985 | |
986 | return 0; |
987 | } |
988 | |
989 | static int maven_program_timming(struct maven_data* md, |
990 | const struct mavenregs* m) { |
991 | struct i2c_client *c = md->client; |
992 | |
993 | if (m->mode == MATROXFB_OUTPUT_MODE_MONITOR) { |
994 | LR(0x80); |
995 | LR(0x81); |
996 | LR(0x82); |
997 | |
998 | LR(0xB3); |
999 | LR(0x94); |
1000 | |
1001 | LRP(0x96); |
1002 | LRP(0x98); |
1003 | LRP(0x9A); |
1004 | LRP(0x9C); |
1005 | LRP(0x9E); |
1006 | LRP(0xA0); |
1007 | LRP(0xA2); |
1008 | LRP(0xA4); |
1009 | LRP(0xA6); |
1010 | LRP(0xA8); |
1011 | LRP(0xAA); |
1012 | LRP(0xAC); |
1013 | LRP(0xAE); |
1014 | |
1015 | LR(0xB0); /* output: monitor */ |
1016 | LR(0xB1); /* ??? */ |
1017 | LR(0x8C); /* must be set... */ |
1018 | LR(0x8D); /* defaults to 0x10: test signal */ |
1019 | LR(0xB9); /* defaults to 0x2C: too bright */ |
1020 | LR(0xBF); /* makes picture stable */ |
1021 | } else { |
1022 | maven_init_TV(c, m); |
1023 | } |
1024 | return 0; |
1025 | } |
1026 | |
1027 | static inline int maven_resync(struct maven_data* md) { |
1028 | struct i2c_client *c = md->client; |
1029 | maven_set_reg(c, reg: 0x95, val: 0x20); /* start whole thing */ |
1030 | return 0; |
1031 | } |
1032 | |
1033 | static int maven_get_queryctrl (struct maven_data* md, |
1034 | struct v4l2_queryctrl *p) { |
1035 | int i; |
1036 | |
1037 | i = get_ctrl_id(v4l2_id: p->id); |
1038 | if (i >= 0) { |
1039 | *p = maven_controls[i].desc; |
1040 | return 0; |
1041 | } |
1042 | if (i == -ENOENT) { |
1043 | static const struct v4l2_queryctrl disctrl = |
1044 | { .flags = V4L2_CTRL_FLAG_DISABLED }; |
1045 | |
1046 | i = p->id; |
1047 | *p = disctrl; |
1048 | p->id = i; |
1049 | sprintf(buf: p->name, fmt: "Ctrl #%08X" , i); |
1050 | return 0; |
1051 | } |
1052 | return -EINVAL; |
1053 | } |
1054 | |
1055 | static int maven_set_control (struct maven_data* md, |
1056 | struct v4l2_control *p) { |
1057 | int i; |
1058 | |
1059 | i = get_ctrl_id(v4l2_id: p->id); |
1060 | if (i < 0) return -EINVAL; |
1061 | |
1062 | /* |
1063 | * Check if changed. |
1064 | */ |
1065 | if (p->value == *get_ctrl_ptr(md, idx: i)) return 0; |
1066 | |
1067 | /* |
1068 | * Check limits. |
1069 | */ |
1070 | if (p->value > maven_controls[i].desc.maximum) return -EINVAL; |
1071 | if (p->value < maven_controls[i].desc.minimum) return -EINVAL; |
1072 | |
1073 | /* |
1074 | * Store new value. |
1075 | */ |
1076 | *get_ctrl_ptr(md, idx: i) = p->value; |
1077 | |
1078 | switch (p->id) { |
1079 | case V4L2_CID_BRIGHTNESS: |
1080 | case V4L2_CID_CONTRAST: |
1081 | { |
1082 | int blacklevel, whitelevel; |
1083 | maven_compute_bwlevel(md, bl: &blacklevel, wl: &whitelevel); |
1084 | blacklevel = (blacklevel >> 2) | ((blacklevel & 3) << 8); |
1085 | whitelevel = (whitelevel >> 2) | ((whitelevel & 3) << 8); |
1086 | maven_set_reg_pair(c: md->client, reg: 0x0e, val: blacklevel); |
1087 | maven_set_reg_pair(c: md->client, reg: 0x1e, val: whitelevel); |
1088 | } |
1089 | break; |
1090 | case V4L2_CID_SATURATION: |
1091 | { |
1092 | maven_set_reg(c: md->client, reg: 0x20, val: p->value); |
1093 | maven_set_reg(c: md->client, reg: 0x22, val: p->value); |
1094 | } |
1095 | break; |
1096 | case V4L2_CID_HUE: |
1097 | { |
1098 | maven_set_reg(c: md->client, reg: 0x25, val: p->value); |
1099 | } |
1100 | break; |
1101 | case V4L2_CID_GAMMA: |
1102 | { |
1103 | const struct maven_gamma* g; |
1104 | g = maven_compute_gamma(md); |
1105 | maven_set_reg(c: md->client, reg: 0x83, val: g->reg83); |
1106 | maven_set_reg(c: md->client, reg: 0x84, val: g->reg84); |
1107 | maven_set_reg(c: md->client, reg: 0x85, val: g->reg85); |
1108 | maven_set_reg(c: md->client, reg: 0x86, val: g->reg86); |
1109 | maven_set_reg(c: md->client, reg: 0x87, val: g->reg87); |
1110 | maven_set_reg(c: md->client, reg: 0x88, val: g->reg88); |
1111 | maven_set_reg(c: md->client, reg: 0x89, val: g->reg89); |
1112 | maven_set_reg(c: md->client, reg: 0x8a, val: g->reg8a); |
1113 | maven_set_reg(c: md->client, reg: 0x8b, val: g->reg8b); |
1114 | } |
1115 | break; |
1116 | case MATROXFB_CID_TESTOUT: |
1117 | { |
1118 | unsigned char val |
1119 | = maven_get_reg(c: md->client, reg: 0x8d); |
1120 | if (p->value) val |= 0x10; |
1121 | else val &= ~0x10; |
1122 | maven_set_reg(c: md->client, reg: 0x8d, val); |
1123 | } |
1124 | break; |
1125 | case MATROXFB_CID_DEFLICKER: |
1126 | { |
1127 | maven_set_reg(c: md->client, reg: 0x93, val: maven_compute_deflicker(md)); |
1128 | } |
1129 | break; |
1130 | } |
1131 | |
1132 | |
1133 | return 0; |
1134 | } |
1135 | |
1136 | static int maven_get_control (struct maven_data* md, |
1137 | struct v4l2_control *p) { |
1138 | int i; |
1139 | |
1140 | i = get_ctrl_id(v4l2_id: p->id); |
1141 | if (i < 0) return -EINVAL; |
1142 | p->value = *get_ctrl_ptr(md, idx: i); |
1143 | return 0; |
1144 | } |
1145 | |
1146 | /******************************************************/ |
1147 | |
1148 | static int maven_out_compute(void* md, struct my_timming* mt) { |
1149 | #define mdinfo ((struct maven_data*)md) |
1150 | #define minfo (mdinfo->primary_head) |
1151 | return maven_compute_timming(md, mt, m: &minfo->hw.maven); |
1152 | #undef minfo |
1153 | #undef mdinfo |
1154 | } |
1155 | |
1156 | static int maven_out_program(void* md) { |
1157 | #define mdinfo ((struct maven_data*)md) |
1158 | #define minfo (mdinfo->primary_head) |
1159 | return maven_program_timming(md, m: &minfo->hw.maven); |
1160 | #undef minfo |
1161 | #undef mdinfo |
1162 | } |
1163 | |
1164 | static int maven_out_start(void* md) { |
1165 | return maven_resync(md); |
1166 | } |
1167 | |
1168 | static int maven_out_verify_mode(void* md, u_int32_t arg) { |
1169 | switch (arg) { |
1170 | case MATROXFB_OUTPUT_MODE_PAL: |
1171 | case MATROXFB_OUTPUT_MODE_NTSC: |
1172 | case MATROXFB_OUTPUT_MODE_MONITOR: |
1173 | return 0; |
1174 | } |
1175 | return -EINVAL; |
1176 | } |
1177 | |
1178 | static int maven_out_get_queryctrl(void* md, struct v4l2_queryctrl* p) { |
1179 | return maven_get_queryctrl(md, p); |
1180 | } |
1181 | |
1182 | static int maven_out_get_ctrl(void* md, struct v4l2_control* p) { |
1183 | return maven_get_control(md, p); |
1184 | } |
1185 | |
1186 | static int maven_out_set_ctrl(void* md, struct v4l2_control* p) { |
1187 | return maven_set_control(md, p); |
1188 | } |
1189 | |
1190 | static struct matrox_altout maven_altout = { |
1191 | .name = "Secondary output" , |
1192 | .compute = maven_out_compute, |
1193 | .program = maven_out_program, |
1194 | .start = maven_out_start, |
1195 | .verifymode = maven_out_verify_mode, |
1196 | .getqueryctrl = maven_out_get_queryctrl, |
1197 | .getctrl = maven_out_get_ctrl, |
1198 | .setctrl = maven_out_set_ctrl, |
1199 | }; |
1200 | |
1201 | static int maven_init_client(struct i2c_client* clnt) { |
1202 | struct maven_data* md = i2c_get_clientdata(client: clnt); |
1203 | struct matrox_fb_info *minfo = container_of(clnt->adapter, |
1204 | struct i2c_bit_adapter, |
1205 | adapter)->minfo; |
1206 | |
1207 | md->primary_head = minfo; |
1208 | md->client = clnt; |
1209 | down_write(sem: &minfo->altout.lock); |
1210 | minfo->outputs[1].output = &maven_altout; |
1211 | minfo->outputs[1].src = minfo->outputs[1].default_src; |
1212 | minfo->outputs[1].data = md; |
1213 | minfo->outputs[1].mode = MATROXFB_OUTPUT_MODE_MONITOR; |
1214 | up_write(sem: &minfo->altout.lock); |
1215 | if (maven_get_reg(c: clnt, reg: 0xB2) < 0x14) { |
1216 | md->version = MGATVO_B; |
1217 | /* Tweak some things for this old chip */ |
1218 | } else { |
1219 | md->version = MGATVO_C; |
1220 | } |
1221 | /* |
1222 | * Set all parameters to its initial values. |
1223 | */ |
1224 | { |
1225 | unsigned int i; |
1226 | |
1227 | for (i = 0; i < MAVCTRLS; ++i) { |
1228 | *get_ctrl_ptr(md, idx: i) = maven_controls[i].desc.default_value; |
1229 | } |
1230 | } |
1231 | |
1232 | return 0; |
1233 | } |
1234 | |
1235 | static int maven_shutdown_client(struct i2c_client* clnt) { |
1236 | struct maven_data* md = i2c_get_clientdata(client: clnt); |
1237 | |
1238 | if (md->primary_head) { |
1239 | struct matrox_fb_info *minfo = md->primary_head; |
1240 | |
1241 | down_write(sem: &minfo->altout.lock); |
1242 | minfo->outputs[1].src = MATROXFB_SRC_NONE; |
1243 | minfo->outputs[1].output = NULL; |
1244 | minfo->outputs[1].data = NULL; |
1245 | minfo->outputs[1].mode = MATROXFB_OUTPUT_MODE_MONITOR; |
1246 | up_write(sem: &minfo->altout.lock); |
1247 | md->primary_head = NULL; |
1248 | } |
1249 | return 0; |
1250 | } |
1251 | |
1252 | static int maven_probe(struct i2c_client *client) |
1253 | { |
1254 | struct i2c_adapter *adapter = client->adapter; |
1255 | int err = -ENODEV; |
1256 | struct maven_data* data; |
1257 | |
1258 | if (!i2c_check_functionality(adap: adapter, I2C_FUNC_SMBUS_WRITE_WORD_DATA | |
1259 | I2C_FUNC_SMBUS_BYTE_DATA | |
1260 | I2C_FUNC_NOSTART | |
1261 | I2C_FUNC_PROTOCOL_MANGLING)) |
1262 | goto ERROR0; |
1263 | if (!(data = kzalloc(size: sizeof(*data), GFP_KERNEL))) { |
1264 | err = -ENOMEM; |
1265 | goto ERROR0; |
1266 | } |
1267 | i2c_set_clientdata(client, data); |
1268 | err = maven_init_client(clnt: client); |
1269 | if (err) |
1270 | goto ERROR4; |
1271 | return 0; |
1272 | ERROR4:; |
1273 | kfree(objp: data); |
1274 | ERROR0:; |
1275 | return err; |
1276 | } |
1277 | |
1278 | static void maven_remove(struct i2c_client *client) |
1279 | { |
1280 | maven_shutdown_client(clnt: client); |
1281 | kfree(objp: i2c_get_clientdata(client)); |
1282 | } |
1283 | |
1284 | static const struct i2c_device_id maven_id[] = { |
1285 | { "maven" , 0 }, |
1286 | { } |
1287 | }; |
1288 | MODULE_DEVICE_TABLE(i2c, maven_id); |
1289 | |
1290 | static struct i2c_driver maven_driver={ |
1291 | .driver = { |
1292 | .name = "maven" , |
1293 | }, |
1294 | .probe = maven_probe, |
1295 | .remove = maven_remove, |
1296 | .id_table = maven_id, |
1297 | }; |
1298 | |
1299 | module_i2c_driver(maven_driver); |
1300 | MODULE_AUTHOR("(c) 1999-2002 Petr Vandrovec <vandrove@vc.cvut.cz>" ); |
1301 | MODULE_DESCRIPTION("Matrox G200/G400 Matrox MGA-TVO driver" ); |
1302 | MODULE_LICENSE("GPL" ); |
1303 | |