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[PATCH] moxa: remove pointless check of 'tty' argument vs NULL
[linux-2.6/openmoko-kernel/knife-kernel.git] / drivers / video / kyro / fbdev.c
blob477ad297de4e03f7a9096c745ef2f885d878dde2
1 /*
2 * linux/drivers/video/kyro/fbdev.c
3 *
4 * Copyright (C) 2002 STMicroelectronics
5 * Copyright (C) 2003, 2004 Paul Mundt
6 *
7 * This file is subject to the terms and conditions of the GNU General Public
8 * License. See the file COPYING in the main directory of this archive
9 * for more details.
10 */
11
12 #include <linux/config.h>
13 #include <linux/module.h>
14 #include <linux/types.h>
15 #include <linux/kernel.h>
16 #include <linux/sched.h>
17 #include <linux/mm.h>
18 #include <linux/errno.h>
19 #include <linux/string.h>
20 #include <linux/tty.h>
21 #include <linux/delay.h>
22 #include <linux/fb.h>
23 #include <linux/ioctl.h>
24 #include <linux/init.h>
25 #include <linux/pci.h>
26 #include <asm/io.h>
27 #include <asm/uaccess.h>
28 #ifdef CONFIG_MTRR
29 #include <asm/mtrr.h>
30 #endif
31
32 #include <video/kyro.h>
33
34 #include "STG4000Reg.h"
35 #include "STG4000Interface.h"
36
37 /*
38 * PCI Definitions
39 */
40 #define PCI_VENDOR_ID_ST 0x104a
41 #define PCI_DEVICE_ID_STG4000 0x0010
42
43 #define KHZ2PICOS(a) (1000000000UL/(a))
44
45 /****************************************************************************/
46 static struct fb_fix_screeninfo kyro_fix __devinitdata = {
47 .id = "ST Kyro",
48 .type = FB_TYPE_PACKED_PIXELS,
49 .visual = FB_VISUAL_TRUECOLOR,
50 .accel = FB_ACCEL_NONE,
51 };
52
53 static struct fb_var_screeninfo kyro_var __devinitdata = {
54 /* 640x480, 16bpp @ 60 Hz */
55 .xres = 640,
56 .yres = 480,
57 .xres_virtual = 640,
58 .yres_virtual = 480,
59 .bits_per_pixel = 16,
60 .red = { 11, 5, 0 },
61 .green = { 5, 6, 0 },
62 .blue = { 0, 5, 0 },
63 .activate = FB_ACTIVATE_NOW,
64 .height = -1,
65 .width = -1,
66 .pixclock = KHZ2PICOS(25175),
67 .left_margin = 48,
68 .right_margin = 16,
69 .upper_margin = 33,
70 .lower_margin = 10,
71 .hsync_len = 96,
72 .vsync_len = 2,
73 .vmode = FB_VMODE_NONINTERLACED,
74 };
75
76 typedef struct {
77 STG4000REG __iomem *pSTGReg; /* Virtual address of PCI register region */
78 u32 ulNextFreeVidMem; /* Offset from start of vid mem to next free region */
79 u32 ulOverlayOffset; /* Offset from start of vid mem to overlay */
80 u32 ulOverlayStride; /* Interleaved YUV and 422 mode Y stride */
81 u32 ulOverlayUVStride; /* 422 mode U & V stride */
82 } device_info_t;
83
84 /* global graphics card info structure (one per card) */
85 static device_info_t deviceInfo;
86
87 static char *mode_option __devinitdata = NULL;
88 static int nopan __devinitdata = 0;
89 static int nowrap __devinitdata = 1;
90 #ifdef CONFIG_MTRR
91 static int nomtrr __devinitdata = 0;
92 #endif
93
94 /* PCI driver prototypes */
95 static int kyrofb_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
96 static void kyrofb_remove(struct pci_dev *pdev);
97
98 static struct fb_videomode kyro_modedb[] __devinitdata = {
99 {
100 /* 640x350 @ 85Hz */
101 NULL, 85, 640, 350, KHZ2PICOS(31500),
102 96, 32, 60, 32, 64, 3,
103 FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED
104 }, {
105 /* 640x400 @ 85Hz */
106 NULL, 85, 640, 400, KHZ2PICOS(31500),
107 96, 32, 41, 1, 64, 3,
108 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
109 }, {
110 /* 720x400 @ 85Hz */
111 NULL, 85, 720, 400, KHZ2PICOS(35500),
112 108, 36, 42, 1, 72, 3,
113 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
114 }, {
115 /* 640x480 @ 60Hz */
116 NULL, 60, 640, 480, KHZ2PICOS(25175),
117 48, 16, 33, 10, 96, 2,
118 0, FB_VMODE_NONINTERLACED
119 }, {
120 /* 640x480 @ 72Hz */
121 NULL, 72, 640, 480, KHZ2PICOS(31500),
122 128, 24, 28, 9, 40, 3,
123 0, FB_VMODE_NONINTERLACED
124 }, {
125 /* 640x480 @ 75Hz */
126 NULL, 75, 640, 480, KHZ2PICOS(31500),
127 120, 16, 16, 1, 64, 3,
128 0, FB_VMODE_NONINTERLACED
129 }, {
130 /* 640x480 @ 85Hz */
131 NULL, 85, 640, 480, KHZ2PICOS(36000),
132 80, 56, 25, 1, 56, 3,
133 0, FB_VMODE_NONINTERLACED
134 }, {
135 /* 800x600 @ 56Hz */
136 NULL, 56, 800, 600, KHZ2PICOS(36000),
137 128, 24, 22, 1, 72, 2,
138 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
139 }, {
140 /* 800x600 @ 60Hz */
141 NULL, 60, 800, 600, KHZ2PICOS(40000),
142 88, 40, 23, 1, 128, 4,
143 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
144 }, {
145 /* 800x600 @ 72Hz */
146 NULL, 72, 800, 600, KHZ2PICOS(50000),
147 64, 56, 23, 37, 120, 6,
148 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
149 }, {
150 /* 800x600 @ 75Hz */
151 NULL, 75, 800, 600, KHZ2PICOS(49500),
152 160, 16, 21, 1, 80, 3,
153 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
154 }, {
155 /* 800x600 @ 85Hz */
156 NULL, 85, 800, 600, KHZ2PICOS(56250),
157 152, 32, 27, 1, 64, 3,
158 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
159 }, {
160 /* 1024x768 @ 60Hz */
161 NULL, 60, 1024, 768, KHZ2PICOS(65000),
162 160, 24, 29, 3, 136, 6,
163 0, FB_VMODE_NONINTERLACED
164 }, {
165 /* 1024x768 @ 70Hz */
166 NULL, 70, 1024, 768, KHZ2PICOS(75000),
167 144, 24, 29, 3, 136, 6,
168 0, FB_VMODE_NONINTERLACED
169 }, {
170 /* 1024x768 @ 75Hz */
171 NULL, 75, 1024, 768, KHZ2PICOS(78750),
172 176, 16, 28, 1, 96, 3,
173 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
174 }, {
175 /* 1024x768 @ 85Hz */
176 NULL, 85, 1024, 768, KHZ2PICOS(94500),
177 208, 48, 36, 1, 96, 3,
178 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
179 }, {
180 /* 1152x864 @ 75Hz */
181 NULL, 75, 1152, 864, KHZ2PICOS(108000),
182 256, 64, 32, 1, 128, 3,
183 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
184 }, {
185 /* 1280x960 @ 60Hz */
186 NULL, 60, 1280, 960, KHZ2PICOS(108000),
187 312, 96, 36, 1, 112, 3,
188 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
189 }, {
190 /* 1280x960 @ 85Hz */
191 NULL, 85, 1280, 960, KHZ2PICOS(148500),
192 224, 64, 47, 1, 160, 3,
193 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
194 }, {
195 /* 1280x1024 @ 60Hz */
196 NULL, 60, 1280, 1024, KHZ2PICOS(108000),
197 248, 48, 38, 1, 112, 3,
198 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
199 }, {
200 /* 1280x1024 @ 75Hz */
201 NULL, 75, 1280, 1024, KHZ2PICOS(135000),
202 248, 16, 38, 1, 144, 3,
203 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
204 }, {
205 /* 1280x1024 @ 85Hz */
206 NULL, 85, 1280, 1024, KHZ2PICOS(157500),
207 224, 64, 44, 1, 160, 3,
208 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
209 }, {
210 /* 1600x1200 @ 60Hz */
211 NULL, 60, 1600, 1200, KHZ2PICOS(162000),
212 304, 64, 46, 1, 192, 3,
213 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
214 }, {
215 /* 1600x1200 @ 65Hz */
216 NULL, 65, 1600, 1200, KHZ2PICOS(175500),
217 304, 64, 46, 1, 192, 3,
218 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
219 }, {
220 /* 1600x1200 @ 70Hz */
221 NULL, 70, 1600, 1200, KHZ2PICOS(189000),
222 304, 64, 46, 1, 192, 3,
223 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
224 }, {
225 /* 1600x1200 @ 75Hz */
226 NULL, 75, 1600, 1200, KHZ2PICOS(202500),
227 304, 64, 46, 1, 192, 3,
228 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
229 }, {
230 /* 1600x1200 @ 85Hz */
231 NULL, 85, 1600, 1200, KHZ2PICOS(229500),
232 304, 64, 46, 1, 192, 3,
233 FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
234 }, {
235 /* 1792x1344 @ 60Hz */
236 NULL, 60, 1792, 1344, KHZ2PICOS(204750),
237 328, 128, 46, 1, 200, 3,
238 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
239 }, {
240 /* 1792x1344 @ 75Hz */
241 NULL, 75, 1792, 1344, KHZ2PICOS(261000),
242 352, 96, 69, 1, 216, 3,
243 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
244 }, {
245 /* 1856x1392 @ 60Hz */
246 NULL, 60, 1856, 1392, KHZ2PICOS(218250),
247 352, 96, 43, 1, 224, 3,
248 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
249 }, {
250 /* 1856x1392 @ 75Hz */
251 NULL, 75, 1856, 1392, KHZ2PICOS(288000),
252 352, 128, 104, 1, 224, 3,
253 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
254 }, {
255 /* 1920x1440 @ 60Hz */
256 NULL, 60, 1920, 1440, KHZ2PICOS(234000),
257 344, 128, 56, 1, 208, 3,
258 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
259 }, {
260 /* 1920x1440 @ 75Hz */
261 NULL, 75, 1920, 1440, KHZ2PICOS(297000),
262 352, 144, 56, 1, 224, 3,
263 FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED
264 },
265 };
266 #define NUM_TOTAL_MODES ARRAY_SIZE(kyro_modedb)
267
268 /*
269 * This needs to be kept ordered corresponding to kyro_modedb.
270 */
271 enum {
272 VMODE_640_350_85,
273 VMODE_640_400_85,
274 VMODE_720_400_85,
275 VMODE_640_480_60,
276 VMODE_640_480_72,
277 VMODE_640_480_75,
278 VMODE_640_480_85,
279 VMODE_800_600_56,
280 VMODE_800_600_60,
281 VMODE_800_600_72,
282 VMODE_800_600_75,
283 VMODE_800_600_85,
284 VMODE_1024_768_60,
285 VMODE_1024_768_70,
286 VMODE_1024_768_75,
287 VMODE_1024_768_85,
288 VMODE_1152_864_75,
289 VMODE_1280_960_60,
290 VMODE_1280_960_85,
291 VMODE_1280_1024_60,
292 VMODE_1280_1024_75,
293 VMODE_1280_1024_85,
294 VMODE_1600_1200_60,
295 VMODE_1600_1200_65,
296 VMODE_1600_1200_70,
297 VMODE_1600_1200_75,
298 VMODE_1600_1200_85,
299 VMODE_1792_1344_60,
300 VMODE_1792_1344_75,
301 VMODE_1856_1392_60,
302 VMODE_1856_1392_75,
303 VMODE_1920_1440_60,
304 VMODE_1920_1440_75,
305 };
306
307 /* Accessors */
308 static int kyro_dev_video_mode_set(struct fb_info *info)
309 {
310 struct kyrofb_info *par = info->par;
311
312 /* Turn off display */
313 StopVTG(deviceInfo.pSTGReg);
314 DisableRamdacOutput(deviceInfo.pSTGReg);
315
316 /* Bring us out of VGA and into Hi-Res mode, if not already. */
317 DisableVGA(deviceInfo.pSTGReg);
318
319 if (InitialiseRamdac(deviceInfo.pSTGReg,
320 info->var.bits_per_pixel,
321 info->var.xres, info->var.yres,
322 par->HSP, par->VSP, &par->PIXCLK) < 0)
323 return -EINVAL;
324
325 SetupVTG(deviceInfo.pSTGReg, par);
326
327 ResetOverlayRegisters(deviceInfo.pSTGReg);
328
329 /* Turn on display in new mode */
330 EnableRamdacOutput(deviceInfo.pSTGReg);
331 StartVTG(deviceInfo.pSTGReg);
332
333 deviceInfo.ulNextFreeVidMem = info->var.xres * info->var.yres *
334 info->var.bits_per_pixel;
335 deviceInfo.ulOverlayOffset = 0;
336
337 return 0;
338 }
339
340 static int kyro_dev_overlay_create(u32 ulWidth,
341 u32 ulHeight, int bLinear)
342 {
343 u32 offset;
344 u32 stride, uvStride;
345
346 if (deviceInfo.ulOverlayOffset != 0)
347 /*
348 * Can only create one overlay without resetting the card or
349 * changing display mode
350 */
351 return -EINVAL;
352
353 ResetOverlayRegisters(deviceInfo.pSTGReg);
354
355 /* Overlays are addressed in multiples of 16bytes or 32bytes, so make
356 * sure the start offset is on an appropriate boundary.
357 */
358 offset = deviceInfo.ulNextFreeVidMem;
359 if ((offset & 0x1f) != 0) {
360 offset = (offset + 32L) & 0xffffffE0L;
361 }
362
363 if (CreateOverlaySurface(deviceInfo.pSTGReg, ulWidth, ulHeight,
364 bLinear, offset, &stride, &uvStride) < 0)
365 return -EINVAL;
366
367 deviceInfo.ulOverlayOffset = offset;
368 deviceInfo.ulOverlayStride = stride;
369 deviceInfo.ulOverlayUVStride = uvStride;
370 deviceInfo.ulNextFreeVidMem = offset + (ulHeight * stride) + (ulHeight * 2 * uvStride);
371
372 SetOverlayBlendMode(deviceInfo.pSTGReg, GLOBAL_ALPHA, 0xf, 0x0);
373
374 return 0;
375 }
376
377 static int kyro_dev_overlay_viewport_set(u32 x, u32 y, u32 ulWidth, u32 ulHeight)
378 {
379 if (deviceInfo.ulOverlayOffset == 0)
380 /* probably haven't called CreateOverlay yet */
381 return -EINVAL;
382
383 /* Stop Ramdac Output */
384 DisableRamdacOutput(deviceInfo.pSTGReg);
385
386 SetOverlayViewPort(deviceInfo.pSTGReg,
387 x, y, x + ulWidth - 1, y + ulHeight - 1);
388
389 EnableOverlayPlane(deviceInfo.pSTGReg);
390 /* Start Ramdac Output */
391 EnableRamdacOutput(deviceInfo.pSTGReg);
392
393 return 0;
394 }
395
396 static inline unsigned long get_line_length(int x, int bpp)
397 {
398 return (unsigned long)((((x*bpp)+31)&~31) >> 3);
399 }
400
401 static int kyrofb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
402 {
403 struct kyrofb_info *par = info->par;
404
405 if (var->bits_per_pixel != 16 && var->bits_per_pixel != 32) {
406 printk(KERN_WARNING "kyrofb: depth not supported: %u\n", var->bits_per_pixel);
407 return -EINVAL;
408 }
409
410 switch (var->bits_per_pixel) {
411 case 16:
412 var->red.offset = 11;
413 var->red.length = 5;
414 var->green.offset = 5;
415 var->green.length = 6;
416 var->blue.length = 5;
417 break;
418 case 32:
419 var->transp.offset = 24;
420 var->red.offset = 16;
421 var->green.offset = 8;
422 var->blue.offset = 0;
423
424 var->red.length = 8;
425 var->green.length = 8;
426 var->blue.length = 8;
427 var->transp.length = 8;
428 break;
429 }
430
431 /* Height/Width of picture in mm */
432 var->height = var->width = -1;
433
434 /* Timing information. All values are in picoseconds */
435
436 /* par->PIXCLK is in 100Hz units. Convert to picoseconds -
437 * ensuring we do not exceed 32 bit precision
438 */
439 /*
440 * XXX: Enabling this really screws over the pixclock value when we
441 * read it back with fbset. As such, leaving this commented out appears
442 * to do the right thing (at least for now) .. bearing in mind that we
443 * have infact already done the KHZ2PICOS conversion in both the modedb
444 * and kyro_var. -- PFM.
445 */
446 // var->pixclock = 1000000000 / (par->PIXCLK / 10);
447
448 /* the header file claims we should use picoseconds
449 * - nobody else does though, the all use pixels and lines
450 * of h and v sizes. Both options here.
451 */
452
453 /*
454 * If we're being called by __fb_try_mode(), then we don't want to
455 * override any of the var settings that we've already parsed
456 * from our modedb. -- PFM.
457 */
458 if ((var->activate & FB_ACTIVATE_MASK) == FB_ACTIVATE_TEST)
459 return 0;
460
461 var->left_margin = par->HBP;
462 var->hsync_len = par->HST;
463 var->right_margin = par->HFP;
464
465 var->upper_margin = par->VBP;
466 var->vsync_len = par->VST;
467 var->lower_margin = par->VFP;
468
469 if (par->HSP == 1)
470 var->sync |= FB_SYNC_HOR_HIGH_ACT;
471 if (par->VSP == 1)
472 var->sync |= FB_SYNC_VERT_HIGH_ACT;
473
474 return 0;
475 }
476
477 static int kyrofb_set_par(struct fb_info *info)
478 {
479 struct kyrofb_info *par = info->par;
480 unsigned long lineclock;
481 unsigned long frameclock;
482
483 /* Actual resolution */
484 par->XRES = info->var.xres;
485 par->YRES = info->var.yres;
486
487 /* pixel depth */
488 par->PIXDEPTH = info->var.bits_per_pixel;
489
490 /* Refresh rate */
491 /* time for a line in ns */
492 lineclock = (info->var.pixclock * (info->var.xres +
493 info->var.right_margin +
494 info->var.hsync_len +
495 info->var.left_margin)) / 1000;
496
497
498 /* time for a frame in ns (precision in 32bpp) */
499 frameclock = lineclock * (info->var.yres +
500 info->var.lower_margin +
501 info->var.vsync_len +
502 info->var.upper_margin);
503
504 /* Calculate refresh rate and horrizontal clocks */
505 par->VFREQ = (1000000000 + (frameclock / 2)) / frameclock;
506 par->HCLK = (1000000000 + (lineclock / 2)) / lineclock;
507 par->PIXCLK = ((1000000000 + (info->var.pixclock / 2))
508 / info->var.pixclock) * 10;
509
510 /* calculate horizontal timings */
511 par->HFP = info->var.right_margin;
512 par->HST = info->var.hsync_len;
513 par->HBP = info->var.left_margin;
514 par->HTot = par->XRES + par->HBP + par->HST + par->HFP;
515
516 /* calculate vertical timings */
517 par->VFP = info->var.lower_margin;
518 par->VST = info->var.vsync_len;
519 par->VBP = info->var.upper_margin;
520 par->VTot = par->YRES + par->VBP + par->VST + par->VFP;
521
522 par->HSP = (info->var.sync & FB_SYNC_HOR_HIGH_ACT) ? 1 : 0;
523 par->VSP = (info->var.sync & FB_SYNC_VERT_HIGH_ACT) ? 1 : 0;
524
525 kyro_dev_video_mode_set(info);
526
527 /* length of a line in bytes */
528 info->fix.line_length = get_line_length(par->XRES, par->PIXDEPTH);
529 info->fix.visual = FB_VISUAL_TRUECOLOR;
530
531 return 0;
532 }
533
534 static int kyrofb_setcolreg(u_int regno, u_int red, u_int green,
535 u_int blue, u_int transp, struct fb_info *info)
536 {
537 struct kyrofb_info *par = info->par;
538
539 if (regno > 255)
540 return 1; /* Invalid register */
541
542 if (regno < 16) {
543 switch (info->var.bits_per_pixel) {
544 case 16:
545 par->palette[regno] =
546 (red & 0xf800) |
547 ((green & 0xfc00) >> 5) |
548 ((blue & 0xf800) >> 11);
549 break;
550 case 32:
551 red >>= 8; green >>= 8; blue >>= 8; transp >>= 8;
552 par->palette[regno] =
553 (transp << 24) | (red << 16) | (green << 8) | blue;
554 break;
555 }
556 }
557
558 return 0;
559 }
560
561 #ifndef MODULE
562 static int __init kyrofb_setup(char *options)
563 {
564 char *this_opt;
565
566 if (!options || !*options)
567 return 0;
568
569 while ((this_opt = strsep(&options, ","))) {
570 if (!*this_opt)
571 continue;
572 if (strcmp(this_opt, "nopan") == 0) {
573 nopan = 1;
574 } else if (strcmp(this_opt, "nowrap") == 0) {
575 nowrap = 1;
576 #ifdef CONFIG_MTRR
577 } else if (strcmp(this_opt, "nomtrr") == 0) {
578 nomtrr = 1;
579 #endif
580 } else {
581 mode_option = this_opt;
582 }
583 }
584
585 return 0;
586 }
587 #endif
588
589 static int kyrofb_ioctl(struct fb_info *info,
590 unsigned int cmd, unsigned long arg)
591 {
592 overlay_create ol_create;
593 overlay_viewport_set ol_viewport_set;
594 void __user *argp = (void __user *)arg;
595
596 switch (cmd) {
597 case KYRO_IOCTL_OVERLAY_CREATE:
598 if (copy_from_user(&ol_create, argp, sizeof(overlay_create)))
599 return -EFAULT;
600
601 if (kyro_dev_overlay_create(ol_create.ulWidth,
602 ol_create.ulHeight, 0) < 0) {
603 printk(KERN_ERR "Kyro FB: failed to create overlay surface.\n");
604
605 return -EINVAL;
606 }
607 break;
608 case KYRO_IOCTL_OVERLAY_VIEWPORT_SET:
609 if (copy_from_user(&ol_viewport_set, argp,
610 sizeof(overlay_viewport_set)))
611 return -EFAULT;
612
613 if (kyro_dev_overlay_viewport_set(ol_viewport_set.xOrgin,
614 ol_viewport_set.yOrgin,
615 ol_viewport_set.xSize,
616 ol_viewport_set.ySize) != 0)
617 {
618 printk(KERN_ERR "Kyro FB: failed to create overlay viewport.\n");
619 return -EINVAL;
620 }
621 break;
622 case KYRO_IOCTL_SET_VIDEO_MODE:
623 {
624 printk(KERN_ERR "Kyro FB: KYRO_IOCTL_SET_VIDEO_MODE is"
625 "obsolete, use the appropriate fb_ioctl()"
626 "command instead.\n");
627 return -EINVAL;
628 }
629 break;
630 case KYRO_IOCTL_UVSTRIDE:
631 if (copy_to_user(argp, &deviceInfo.ulOverlayUVStride, sizeof(unsigned long)))
632 return -EFAULT;
633 break;
634 case KYRO_IOCTL_STRIDE:
635 if (copy_to_user(argp, &deviceInfo.ulOverlayStride, sizeof(unsigned long)))
636 return -EFAULT;
637 break;
638 case KYRO_IOCTL_OVERLAY_OFFSET:
639 if (copy_to_user(argp, &deviceInfo.ulOverlayOffset, sizeof(unsigned long)))
640 return -EFAULT;
641 break;
642 }
643
644 return 0;
645 }
646
647 static struct pci_device_id kyrofb_pci_tbl[] = {
648 { PCI_VENDOR_ID_ST, PCI_DEVICE_ID_STG4000,
649 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
650 { 0, }
651 };
652
653 MODULE_DEVICE_TABLE(pci, kyrofb_pci_tbl);
654
655 static struct pci_driver kyrofb_pci_driver = {
656 .name = "kyrofb",
657 .id_table = kyrofb_pci_tbl,
658 .probe = kyrofb_probe,
659 .remove = __devexit_p(kyrofb_remove),
660 };
661
662 static struct fb_ops kyrofb_ops = {
663 .owner = THIS_MODULE,
664 .fb_check_var = kyrofb_check_var,
665 .fb_set_par = kyrofb_set_par,
666 .fb_setcolreg = kyrofb_setcolreg,
667 .fb_ioctl = kyrofb_ioctl,
668 .fb_fillrect = cfb_fillrect,
669 .fb_copyarea = cfb_copyarea,
670 .fb_imageblit = cfb_imageblit,
671 };
672
673 static int __devinit kyrofb_probe(struct pci_dev *pdev,
674 const struct pci_device_id *ent)
675 {
676 struct fb_info *info;
677 struct kyrofb_info *currentpar;
678 unsigned long size;
679 int err;
680
681 if ((err = pci_enable_device(pdev))) {
682 printk(KERN_WARNING "kyrofb: Can't enable pdev: %d\n", err);
683 return err;
684 }
685
686 info = framebuffer_alloc(sizeof(struct kyrofb_info), &pdev->dev);
687 if (!info)
688 return -ENOMEM;
689
690 currentpar = info->par;
691
692 kyro_fix.smem_start = pci_resource_start(pdev, 0);
693 kyro_fix.smem_len = pci_resource_len(pdev, 0);
694 kyro_fix.mmio_start = pci_resource_start(pdev, 1);
695 kyro_fix.mmio_len = pci_resource_len(pdev, 1);
696
697 currentpar->regbase = deviceInfo.pSTGReg =
698 ioremap_nocache(kyro_fix.mmio_start, kyro_fix.mmio_len);
699
700 info->screen_base = ioremap_nocache(kyro_fix.smem_start,
701 kyro_fix.smem_len);
702
703 #ifdef CONFIG_MTRR
704 if (!nomtrr)
705 currentpar->mtrr_handle =
706 mtrr_add(kyro_fix.smem_start,
707 kyro_fix.smem_len,
708 MTRR_TYPE_WRCOMB, 1);
709 #endif
710
711 kyro_fix.ypanstep = nopan ? 0 : 1;
712 kyro_fix.ywrapstep = nowrap ? 0 : 1;
713
714 info->fbops = &kyrofb_ops;
715 info->fix = kyro_fix;
716 info->pseudo_palette = currentpar->palette;
717 info->flags = FBINFO_DEFAULT;
718
719 SetCoreClockPLL(deviceInfo.pSTGReg, pdev);
720
721 deviceInfo.ulNextFreeVidMem = 0;
722 deviceInfo.ulOverlayOffset = 0;
723
724 /* This should give a reasonable default video mode */
725 if (!fb_find_mode(&info->var, info, mode_option, kyro_modedb,
726 NUM_TOTAL_MODES, &kyro_modedb[VMODE_1024_768_75], 32))
727 info->var = kyro_var;
728
729 fb_alloc_cmap(&info->cmap, 256, 0);
730
731 kyrofb_set_par(info);
732 kyrofb_check_var(&info->var, info);
733
734 size = get_line_length(info->var.xres_virtual,
735 info->var.bits_per_pixel);
736 size *= info->var.yres_virtual;
737
738 fb_memset(info->screen_base, 0, size);
739
740 if (register_framebuffer(info) < 0)
741 goto out_unmap;
742
743 printk("fb%d: %s frame buffer device, at %dx%d@%d using %ldk/%ldk of VRAM\n",
744 info->node, info->fix.id, info->var.xres,
745 info->var.yres, info->var.bits_per_pixel, size >> 10,
746 (unsigned long)info->fix.smem_len >> 10);
747
748 pci_set_drvdata(pdev, info);
749
750 return 0;
751
752 out_unmap:
753 iounmap(currentpar->regbase);
754 iounmap(info->screen_base);
755 framebuffer_release(info);
756
757 return -EINVAL;
758 }
759
760 static void __devexit kyrofb_remove(struct pci_dev *pdev)
761 {
762 struct fb_info *info = pci_get_drvdata(pdev);
763 struct kyrofb_info *par = info->par;
764
765 /* Reset the board */
766 StopVTG(deviceInfo.pSTGReg);
767 DisableRamdacOutput(deviceInfo.pSTGReg);
768
769 /* Sync up the PLL */
770 SetCoreClockPLL(deviceInfo.pSTGReg, pdev);
771
772 deviceInfo.ulNextFreeVidMem = 0;
773 deviceInfo.ulOverlayOffset = 0;
774
775 iounmap(info->screen_base);
776 iounmap(par->regbase);
777
778 #ifdef CONFIG_MTRR
779 if (par->mtrr_handle)
780 mtrr_del(par->mtrr_handle,
781 info->fix.smem_start,
782 info->fix.smem_len);
783 #endif
784
785 unregister_framebuffer(info);
786 pci_set_drvdata(pdev, NULL);
787 framebuffer_release(info);
788 }
789
790 static int __init kyrofb_init(void)
791 {
792 #ifndef MODULE
793 char *option = NULL;
794
795 if (fb_get_options("kyrofb", &option))
796 return -ENODEV;
797 kyrofb_setup(option);
798 #endif
799 return pci_register_driver(&kyrofb_pci_driver);
800 }
801
802 static void __exit kyrofb_exit(void)
803 {
804 pci_unregister_driver(&kyrofb_pci_driver);
805 }
806
807 module_init(kyrofb_init);
808
809 #ifdef MODULE
810 module_exit(kyrofb_exit);
811 #endif
812
813 MODULE_AUTHOR("STMicroelectronics; Paul Mundt <lethal@linux-sh.org>");
814 MODULE_LICENSE("GPL");
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