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/aperture.h> |
13 | #include <linux/module.h> |
14 | #include <linux/types.h> |
15 | #include <linux/kernel.h> |
16 | #include <linux/mm.h> |
17 | #include <linux/errno.h> |
18 | #include <linux/string.h> |
19 | #include <linux/delay.h> |
20 | #include <linux/fb.h> |
21 | #include <linux/ioctl.h> |
22 | #include <linux/init.h> |
23 | #include <linux/pci.h> |
24 | #include <asm/io.h> |
25 | #include <linux/uaccess.h> |
26 | |
27 | #include <video/kyro.h> |
28 | |
29 | #include "STG4000Reg.h" |
30 | #include "STG4000Interface.h" |
31 | |
32 | /* |
33 | * PCI Definitions |
34 | */ |
35 | #define PCI_VENDOR_ID_ST 0x104a |
36 | #define PCI_DEVICE_ID_STG4000 0x0010 |
37 | |
38 | #define KHZ2PICOS(a) (1000000000UL/(a)) |
39 | |
40 | /****************************************************************************/ |
41 | static struct fb_fix_screeninfo kyro_fix = { |
42 | .id = "ST Kyro" , |
43 | .type = FB_TYPE_PACKED_PIXELS, |
44 | .visual = FB_VISUAL_TRUECOLOR, |
45 | .accel = FB_ACCEL_NONE, |
46 | }; |
47 | |
48 | static const struct fb_var_screeninfo kyro_var = { |
49 | /* 640x480, 16bpp @ 60 Hz */ |
50 | .xres = 640, |
51 | .yres = 480, |
52 | .xres_virtual = 640, |
53 | .yres_virtual = 480, |
54 | .bits_per_pixel = 16, |
55 | .red = { 11, 5, 0 }, |
56 | .green = { 5, 6, 0 }, |
57 | .blue = { 0, 5, 0 }, |
58 | .activate = FB_ACTIVATE_NOW, |
59 | .height = -1, |
60 | .width = -1, |
61 | .pixclock = KHZ2PICOS(25175), |
62 | .left_margin = 48, |
63 | .right_margin = 16, |
64 | .upper_margin = 33, |
65 | .lower_margin = 10, |
66 | .hsync_len = 96, |
67 | .vsync_len = 2, |
68 | .vmode = FB_VMODE_NONINTERLACED, |
69 | }; |
70 | |
71 | typedef struct { |
72 | STG4000REG __iomem *pSTGReg; /* Virtual address of PCI register region */ |
73 | u32 ulNextFreeVidMem; /* Offset from start of vid mem to next free region */ |
74 | u32 ulOverlayOffset; /* Offset from start of vid mem to overlay */ |
75 | u32 ulOverlayStride; /* Interleaved YUV and 422 mode Y stride */ |
76 | u32 ulOverlayUVStride; /* 422 mode U & V stride */ |
77 | } device_info_t; |
78 | |
79 | /* global graphics card info structure (one per card) */ |
80 | static device_info_t deviceInfo; |
81 | |
82 | static char *mode_option = NULL; |
83 | static int nopan = 0; |
84 | static int nowrap = 1; |
85 | static int nomtrr = 0; |
86 | |
87 | /* PCI driver prototypes */ |
88 | static int kyrofb_probe(struct pci_dev *pdev, const struct pci_device_id *ent); |
89 | static void kyrofb_remove(struct pci_dev *pdev); |
90 | |
91 | static struct fb_videomode kyro_modedb[] = { |
92 | { |
93 | /* 640x350 @ 85Hz */ |
94 | NULL, 85, 640, 350, KHZ2PICOS(31500), |
95 | 96, 32, 60, 32, 64, 3, |
96 | FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED |
97 | }, { |
98 | /* 640x400 @ 85Hz */ |
99 | NULL, 85, 640, 400, KHZ2PICOS(31500), |
100 | 96, 32, 41, 1, 64, 3, |
101 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
102 | }, { |
103 | /* 720x400 @ 85Hz */ |
104 | NULL, 85, 720, 400, KHZ2PICOS(35500), |
105 | 108, 36, 42, 1, 72, 3, |
106 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
107 | }, { |
108 | /* 640x480 @ 60Hz */ |
109 | NULL, 60, 640, 480, KHZ2PICOS(25175), |
110 | 48, 16, 33, 10, 96, 2, |
111 | 0, FB_VMODE_NONINTERLACED |
112 | }, { |
113 | /* 640x480 @ 72Hz */ |
114 | NULL, 72, 640, 480, KHZ2PICOS(31500), |
115 | 128, 24, 28, 9, 40, 3, |
116 | 0, FB_VMODE_NONINTERLACED |
117 | }, { |
118 | /* 640x480 @ 75Hz */ |
119 | NULL, 75, 640, 480, KHZ2PICOS(31500), |
120 | 120, 16, 16, 1, 64, 3, |
121 | 0, FB_VMODE_NONINTERLACED |
122 | }, { |
123 | /* 640x480 @ 85Hz */ |
124 | NULL, 85, 640, 480, KHZ2PICOS(36000), |
125 | 80, 56, 25, 1, 56, 3, |
126 | 0, FB_VMODE_NONINTERLACED |
127 | }, { |
128 | /* 800x600 @ 56Hz */ |
129 | NULL, 56, 800, 600, KHZ2PICOS(36000), |
130 | 128, 24, 22, 1, 72, 2, |
131 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
132 | }, { |
133 | /* 800x600 @ 60Hz */ |
134 | NULL, 60, 800, 600, KHZ2PICOS(40000), |
135 | 88, 40, 23, 1, 128, 4, |
136 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
137 | }, { |
138 | /* 800x600 @ 72Hz */ |
139 | NULL, 72, 800, 600, KHZ2PICOS(50000), |
140 | 64, 56, 23, 37, 120, 6, |
141 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
142 | }, { |
143 | /* 800x600 @ 75Hz */ |
144 | NULL, 75, 800, 600, KHZ2PICOS(49500), |
145 | 160, 16, 21, 1, 80, 3, |
146 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
147 | }, { |
148 | /* 800x600 @ 85Hz */ |
149 | NULL, 85, 800, 600, KHZ2PICOS(56250), |
150 | 152, 32, 27, 1, 64, 3, |
151 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
152 | }, { |
153 | /* 1024x768 @ 60Hz */ |
154 | NULL, 60, 1024, 768, KHZ2PICOS(65000), |
155 | 160, 24, 29, 3, 136, 6, |
156 | 0, FB_VMODE_NONINTERLACED |
157 | }, { |
158 | /* 1024x768 @ 70Hz */ |
159 | NULL, 70, 1024, 768, KHZ2PICOS(75000), |
160 | 144, 24, 29, 3, 136, 6, |
161 | 0, FB_VMODE_NONINTERLACED |
162 | }, { |
163 | /* 1024x768 @ 75Hz */ |
164 | NULL, 75, 1024, 768, KHZ2PICOS(78750), |
165 | 176, 16, 28, 1, 96, 3, |
166 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
167 | }, { |
168 | /* 1024x768 @ 85Hz */ |
169 | NULL, 85, 1024, 768, KHZ2PICOS(94500), |
170 | 208, 48, 36, 1, 96, 3, |
171 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
172 | }, { |
173 | /* 1152x864 @ 75Hz */ |
174 | NULL, 75, 1152, 864, KHZ2PICOS(108000), |
175 | 256, 64, 32, 1, 128, 3, |
176 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
177 | }, { |
178 | /* 1280x960 @ 60Hz */ |
179 | NULL, 60, 1280, 960, KHZ2PICOS(108000), |
180 | 312, 96, 36, 1, 112, 3, |
181 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
182 | }, { |
183 | /* 1280x960 @ 85Hz */ |
184 | NULL, 85, 1280, 960, KHZ2PICOS(148500), |
185 | 224, 64, 47, 1, 160, 3, |
186 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
187 | }, { |
188 | /* 1280x1024 @ 60Hz */ |
189 | NULL, 60, 1280, 1024, KHZ2PICOS(108000), |
190 | 248, 48, 38, 1, 112, 3, |
191 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
192 | }, { |
193 | /* 1280x1024 @ 75Hz */ |
194 | NULL, 75, 1280, 1024, KHZ2PICOS(135000), |
195 | 248, 16, 38, 1, 144, 3, |
196 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
197 | }, { |
198 | /* 1280x1024 @ 85Hz */ |
199 | NULL, 85, 1280, 1024, KHZ2PICOS(157500), |
200 | 224, 64, 44, 1, 160, 3, |
201 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
202 | }, { |
203 | /* 1600x1200 @ 60Hz */ |
204 | NULL, 60, 1600, 1200, KHZ2PICOS(162000), |
205 | 304, 64, 46, 1, 192, 3, |
206 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
207 | }, { |
208 | /* 1600x1200 @ 65Hz */ |
209 | NULL, 65, 1600, 1200, KHZ2PICOS(175500), |
210 | 304, 64, 46, 1, 192, 3, |
211 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
212 | }, { |
213 | /* 1600x1200 @ 70Hz */ |
214 | NULL, 70, 1600, 1200, KHZ2PICOS(189000), |
215 | 304, 64, 46, 1, 192, 3, |
216 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
217 | }, { |
218 | /* 1600x1200 @ 75Hz */ |
219 | NULL, 75, 1600, 1200, KHZ2PICOS(202500), |
220 | 304, 64, 46, 1, 192, 3, |
221 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
222 | }, { |
223 | /* 1600x1200 @ 85Hz */ |
224 | NULL, 85, 1600, 1200, KHZ2PICOS(229500), |
225 | 304, 64, 46, 1, 192, 3, |
226 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
227 | }, { |
228 | /* 1792x1344 @ 60Hz */ |
229 | NULL, 60, 1792, 1344, KHZ2PICOS(204750), |
230 | 328, 128, 46, 1, 200, 3, |
231 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
232 | }, { |
233 | /* 1792x1344 @ 75Hz */ |
234 | NULL, 75, 1792, 1344, KHZ2PICOS(261000), |
235 | 352, 96, 69, 1, 216, 3, |
236 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
237 | }, { |
238 | /* 1856x1392 @ 60Hz */ |
239 | NULL, 60, 1856, 1392, KHZ2PICOS(218250), |
240 | 352, 96, 43, 1, 224, 3, |
241 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
242 | }, { |
243 | /* 1856x1392 @ 75Hz */ |
244 | NULL, 75, 1856, 1392, KHZ2PICOS(288000), |
245 | 352, 128, 104, 1, 224, 3, |
246 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
247 | }, { |
248 | /* 1920x1440 @ 60Hz */ |
249 | NULL, 60, 1920, 1440, KHZ2PICOS(234000), |
250 | 344, 128, 56, 1, 208, 3, |
251 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
252 | }, { |
253 | /* 1920x1440 @ 75Hz */ |
254 | NULL, 75, 1920, 1440, KHZ2PICOS(297000), |
255 | 352, 144, 56, 1, 224, 3, |
256 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED |
257 | }, |
258 | }; |
259 | #define NUM_TOTAL_MODES ARRAY_SIZE(kyro_modedb) |
260 | |
261 | /* |
262 | * This needs to be kept ordered corresponding to kyro_modedb. |
263 | */ |
264 | enum { |
265 | VMODE_640_350_85, |
266 | VMODE_640_400_85, |
267 | VMODE_720_400_85, |
268 | VMODE_640_480_60, |
269 | VMODE_640_480_72, |
270 | VMODE_640_480_75, |
271 | VMODE_640_480_85, |
272 | VMODE_800_600_56, |
273 | VMODE_800_600_60, |
274 | VMODE_800_600_72, |
275 | VMODE_800_600_75, |
276 | VMODE_800_600_85, |
277 | VMODE_1024_768_60, |
278 | VMODE_1024_768_70, |
279 | VMODE_1024_768_75, |
280 | VMODE_1024_768_85, |
281 | VMODE_1152_864_75, |
282 | VMODE_1280_960_60, |
283 | VMODE_1280_960_85, |
284 | VMODE_1280_1024_60, |
285 | VMODE_1280_1024_75, |
286 | VMODE_1280_1024_85, |
287 | VMODE_1600_1200_60, |
288 | VMODE_1600_1200_65, |
289 | VMODE_1600_1200_70, |
290 | VMODE_1600_1200_75, |
291 | VMODE_1600_1200_85, |
292 | VMODE_1792_1344_60, |
293 | VMODE_1792_1344_75, |
294 | VMODE_1856_1392_60, |
295 | VMODE_1856_1392_75, |
296 | VMODE_1920_1440_60, |
297 | VMODE_1920_1440_75, |
298 | }; |
299 | |
300 | /* Accessors */ |
301 | static int kyro_dev_video_mode_set(struct fb_info *info) |
302 | { |
303 | struct kyrofb_info *par = info->par; |
304 | |
305 | /* Turn off display */ |
306 | StopVTG(pSTGReg: deviceInfo.pSTGReg); |
307 | DisableRamdacOutput(pSTGReg: deviceInfo.pSTGReg); |
308 | |
309 | /* Bring us out of VGA and into Hi-Res mode, if not already. */ |
310 | DisableVGA(pSTGReg: deviceInfo.pSTGReg); |
311 | |
312 | if (InitialiseRamdac(pSTGReg: deviceInfo.pSTGReg, |
313 | displayDepth: info->var.bits_per_pixel, |
314 | displayWidth: info->var.xres, displayHeight: info->var.yres, |
315 | HSyncPolarity: par->HSP, VSyncPolarity: par->VSP, pixelClock: &par->PIXCLK) < 0) |
316 | return -EINVAL; |
317 | |
318 | SetupVTG(pSTGReg: deviceInfo.pSTGReg, pTiming: par); |
319 | |
320 | ResetOverlayRegisters(pSTGReg: deviceInfo.pSTGReg); |
321 | |
322 | /* Turn on display in new mode */ |
323 | EnableRamdacOutput(pSTGReg: deviceInfo.pSTGReg); |
324 | StartVTG(pSTGReg: deviceInfo.pSTGReg); |
325 | |
326 | deviceInfo.ulNextFreeVidMem = info->var.xres * info->var.yres * |
327 | info->var.bits_per_pixel; |
328 | deviceInfo.ulOverlayOffset = 0; |
329 | |
330 | return 0; |
331 | } |
332 | |
333 | static int kyro_dev_overlay_create(u32 ulWidth, |
334 | u32 ulHeight, int bLinear) |
335 | { |
336 | u32 offset; |
337 | u32 stride, uvStride; |
338 | |
339 | if (deviceInfo.ulOverlayOffset != 0) |
340 | /* |
341 | * Can only create one overlay without resetting the card or |
342 | * changing display mode |
343 | */ |
344 | return -EINVAL; |
345 | |
346 | ResetOverlayRegisters(pSTGReg: deviceInfo.pSTGReg); |
347 | |
348 | /* Overlays are addressed in multiples of 16bytes or 32bytes, so make |
349 | * sure the start offset is on an appropriate boundary. |
350 | */ |
351 | offset = deviceInfo.ulNextFreeVidMem; |
352 | if ((offset & 0x1f) != 0) { |
353 | offset = (offset + 32L) & 0xffffffE0L; |
354 | } |
355 | |
356 | if (CreateOverlaySurface(pSTGReg: deviceInfo.pSTGReg, ulWidth, ulHeight, |
357 | bLinear, ulOverlayOffset: offset, retStride: &stride, retUVStride: &uvStride) < 0) |
358 | return -EINVAL; |
359 | |
360 | deviceInfo.ulOverlayOffset = offset; |
361 | deviceInfo.ulOverlayStride = stride; |
362 | deviceInfo.ulOverlayUVStride = uvStride; |
363 | deviceInfo.ulNextFreeVidMem = offset + (ulHeight * stride) + (ulHeight * 2 * uvStride); |
364 | |
365 | SetOverlayBlendMode(pSTGReg: deviceInfo.pSTGReg, mode: GLOBAL_ALPHA, ulAlpha: 0xf, ulColorKey: 0x0); |
366 | |
367 | return 0; |
368 | } |
369 | |
370 | static int kyro_dev_overlay_viewport_set(u32 x, u32 y, u32 ulWidth, u32 ulHeight) |
371 | { |
372 | if (deviceInfo.ulOverlayOffset == 0) |
373 | /* probably haven't called CreateOverlay yet */ |
374 | return -EINVAL; |
375 | |
376 | if (ulWidth == 0 || ulWidth == 0xffffffff || |
377 | ulHeight == 0 || ulHeight == 0xffffffff || |
378 | (x < 2 && ulWidth + 2 == 0)) |
379 | return -EINVAL; |
380 | |
381 | /* Stop Ramdac Output */ |
382 | DisableRamdacOutput(pSTGReg: deviceInfo.pSTGReg); |
383 | |
384 | SetOverlayViewPort(pSTGReg: deviceInfo.pSTGReg, |
385 | left: x, top: y, right: x + ulWidth - 1, bottom: y + ulHeight - 1); |
386 | |
387 | EnableOverlayPlane(pSTGReg: deviceInfo.pSTGReg); |
388 | /* Start Ramdac Output */ |
389 | EnableRamdacOutput(pSTGReg: deviceInfo.pSTGReg); |
390 | |
391 | return 0; |
392 | } |
393 | |
394 | static inline unsigned long get_line_length(int x, int bpp) |
395 | { |
396 | return (unsigned long)((((x*bpp)+31)&~31) >> 3); |
397 | } |
398 | |
399 | static int kyrofb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) |
400 | { |
401 | struct kyrofb_info *par = info->par; |
402 | |
403 | if (!var->pixclock) |
404 | return -EINVAL; |
405 | |
406 | if (var->bits_per_pixel != 16 && var->bits_per_pixel != 32) { |
407 | printk(KERN_WARNING "kyrofb: depth not supported: %u\n" , var->bits_per_pixel); |
408 | return -EINVAL; |
409 | } |
410 | |
411 | switch (var->bits_per_pixel) { |
412 | case 16: |
413 | var->red.offset = 11; |
414 | var->red.length = 5; |
415 | var->green.offset = 5; |
416 | var->green.length = 6; |
417 | var->blue.length = 5; |
418 | break; |
419 | case 32: |
420 | var->transp.offset = 24; |
421 | var->red.offset = 16; |
422 | var->green.offset = 8; |
423 | var->blue.offset = 0; |
424 | |
425 | var->red.length = 8; |
426 | var->green.length = 8; |
427 | var->blue.length = 8; |
428 | var->transp.length = 8; |
429 | break; |
430 | } |
431 | |
432 | /* Height/Width of picture in mm */ |
433 | var->height = var->width = -1; |
434 | |
435 | /* Timing information. All values are in picoseconds */ |
436 | |
437 | /* par->PIXCLK is in 100Hz units. Convert to picoseconds - |
438 | * ensuring we do not exceed 32 bit precision |
439 | */ |
440 | /* |
441 | * XXX: Enabling this really screws over the pixclock value when we |
442 | * read it back with fbset. As such, leaving this commented out appears |
443 | * to do the right thing (at least for now) .. bearing in mind that we |
444 | * have infact already done the KHZ2PICOS conversion in both the modedb |
445 | * and kyro_var. -- PFM. |
446 | */ |
447 | // var->pixclock = 1000000000 / (par->PIXCLK / 10); |
448 | |
449 | /* the header file claims we should use picoseconds |
450 | * - nobody else does though, the all use pixels and lines |
451 | * of h and v sizes. Both options here. |
452 | */ |
453 | |
454 | /* |
455 | * If we're being called by __fb_try_mode(), then we don't want to |
456 | * override any of the var settings that we've already parsed |
457 | * from our modedb. -- PFM. |
458 | */ |
459 | if ((var->activate & FB_ACTIVATE_MASK) == FB_ACTIVATE_TEST) |
460 | return 0; |
461 | |
462 | var->left_margin = par->HBP; |
463 | var->hsync_len = par->HST; |
464 | var->right_margin = par->HFP; |
465 | |
466 | var->upper_margin = par->VBP; |
467 | var->vsync_len = par->VST; |
468 | var->lower_margin = par->VFP; |
469 | |
470 | if (par->HSP == 1) |
471 | var->sync |= FB_SYNC_HOR_HIGH_ACT; |
472 | if (par->VSP == 1) |
473 | var->sync |= FB_SYNC_VERT_HIGH_ACT; |
474 | |
475 | return 0; |
476 | } |
477 | |
478 | static int kyrofb_set_par(struct fb_info *info) |
479 | { |
480 | struct kyrofb_info *par = info->par; |
481 | unsigned long lineclock; |
482 | unsigned long frameclock; |
483 | |
484 | /* Actual resolution */ |
485 | par->XRES = info->var.xres; |
486 | par->YRES = info->var.yres; |
487 | |
488 | /* pixel depth */ |
489 | par->PIXDEPTH = info->var.bits_per_pixel; |
490 | |
491 | /* Refresh rate */ |
492 | /* time for a line in ns */ |
493 | lineclock = (info->var.pixclock * (info->var.xres + |
494 | info->var.right_margin + |
495 | info->var.hsync_len + |
496 | info->var.left_margin)) / 1000; |
497 | |
498 | if (!lineclock) |
499 | return -EINVAL; |
500 | |
501 | /* time for a frame in ns (precision in 32bpp) */ |
502 | frameclock = lineclock * (info->var.yres + |
503 | info->var.lower_margin + |
504 | info->var.vsync_len + |
505 | info->var.upper_margin); |
506 | |
507 | /* Calculate refresh rate and horrizontal clocks */ |
508 | par->VFREQ = (1000000000 + (frameclock / 2)) / frameclock; |
509 | par->HCLK = (1000000000 + (lineclock / 2)) / lineclock; |
510 | par->PIXCLK = ((1000000000 + (info->var.pixclock / 2)) |
511 | / info->var.pixclock) * 10; |
512 | |
513 | /* calculate horizontal timings */ |
514 | par->HFP = info->var.right_margin; |
515 | par->HST = info->var.hsync_len; |
516 | par->HBP = info->var.left_margin; |
517 | par->HTot = par->XRES + par->HBP + par->HST + par->HFP; |
518 | |
519 | /* calculate vertical timings */ |
520 | par->VFP = info->var.lower_margin; |
521 | par->VST = info->var.vsync_len; |
522 | par->VBP = info->var.upper_margin; |
523 | par->VTot = par->YRES + par->VBP + par->VST + par->VFP; |
524 | |
525 | par->HSP = (info->var.sync & FB_SYNC_HOR_HIGH_ACT) ? 1 : 0; |
526 | par->VSP = (info->var.sync & FB_SYNC_VERT_HIGH_ACT) ? 1 : 0; |
527 | |
528 | kyro_dev_video_mode_set(info); |
529 | |
530 | /* length of a line in bytes */ |
531 | info->fix.line_length = get_line_length(x: par->XRES, bpp: par->PIXDEPTH); |
532 | info->fix.visual = FB_VISUAL_TRUECOLOR; |
533 | |
534 | return 0; |
535 | } |
536 | |
537 | static int kyrofb_setcolreg(u_int regno, u_int red, u_int green, |
538 | u_int blue, u_int transp, struct fb_info *info) |
539 | { |
540 | struct kyrofb_info *par = info->par; |
541 | |
542 | if (regno > 255) |
543 | return 1; /* Invalid register */ |
544 | |
545 | if (regno < 16) { |
546 | switch (info->var.bits_per_pixel) { |
547 | case 16: |
548 | par->palette[regno] = |
549 | (red & 0xf800) | |
550 | ((green & 0xfc00) >> 5) | |
551 | ((blue & 0xf800) >> 11); |
552 | break; |
553 | case 32: |
554 | red >>= 8; green >>= 8; blue >>= 8; transp >>= 8; |
555 | par->palette[regno] = |
556 | (transp << 24) | (red << 16) | (green << 8) | blue; |
557 | break; |
558 | } |
559 | } |
560 | |
561 | return 0; |
562 | } |
563 | |
564 | #ifndef MODULE |
565 | static int __init kyrofb_setup(char *options) |
566 | { |
567 | char *this_opt; |
568 | |
569 | if (!options || !*options) |
570 | return 0; |
571 | |
572 | while ((this_opt = strsep(&options, "," ))) { |
573 | if (!*this_opt) |
574 | continue; |
575 | if (strcmp(this_opt, "nopan" ) == 0) { |
576 | nopan = 1; |
577 | } else if (strcmp(this_opt, "nowrap" ) == 0) { |
578 | nowrap = 1; |
579 | } else if (strcmp(this_opt, "nomtrr" ) == 0) { |
580 | nomtrr = 1; |
581 | } else { |
582 | mode_option = this_opt; |
583 | } |
584 | } |
585 | |
586 | return 0; |
587 | } |
588 | #endif |
589 | |
590 | static int kyrofb_ioctl(struct fb_info *info, |
591 | unsigned int cmd, unsigned long arg) |
592 | { |
593 | overlay_create ol_create; |
594 | overlay_viewport_set ol_viewport_set; |
595 | void __user *argp = (void __user *)arg; |
596 | |
597 | switch (cmd) { |
598 | case KYRO_IOCTL_OVERLAY_CREATE: |
599 | if (copy_from_user(to: &ol_create, from: argp, n: sizeof(overlay_create))) |
600 | return -EFAULT; |
601 | |
602 | if (kyro_dev_overlay_create(ulWidth: ol_create.ulWidth, |
603 | ulHeight: ol_create.ulHeight, bLinear: 0) < 0) { |
604 | printk(KERN_ERR "Kyro FB: failed to create overlay surface.\n" ); |
605 | |
606 | return -EINVAL; |
607 | } |
608 | break; |
609 | case KYRO_IOCTL_OVERLAY_VIEWPORT_SET: |
610 | if (copy_from_user(to: &ol_viewport_set, from: argp, |
611 | n: sizeof(overlay_viewport_set))) |
612 | return -EFAULT; |
613 | |
614 | if (kyro_dev_overlay_viewport_set(x: ol_viewport_set.xOrgin, |
615 | y: ol_viewport_set.yOrgin, |
616 | ulWidth: ol_viewport_set.xSize, |
617 | ulHeight: ol_viewport_set.ySize) != 0) |
618 | { |
619 | printk(KERN_ERR "Kyro FB: failed to create overlay viewport.\n" ); |
620 | return -EINVAL; |
621 | } |
622 | break; |
623 | case KYRO_IOCTL_SET_VIDEO_MODE: |
624 | { |
625 | printk(KERN_ERR "Kyro FB: KYRO_IOCTL_SET_VIDEO_MODE is" |
626 | "obsolete, use the appropriate fb_ioctl()" |
627 | "command instead.\n" ); |
628 | return -EINVAL; |
629 | } |
630 | case KYRO_IOCTL_UVSTRIDE: |
631 | if (copy_to_user(to: argp, from: &deviceInfo.ulOverlayUVStride, n: sizeof(deviceInfo.ulOverlayUVStride))) |
632 | return -EFAULT; |
633 | break; |
634 | case KYRO_IOCTL_STRIDE: |
635 | if (copy_to_user(to: argp, from: &deviceInfo.ulOverlayStride, n: sizeof(deviceInfo.ulOverlayStride))) |
636 | return -EFAULT; |
637 | break; |
638 | case KYRO_IOCTL_OVERLAY_OFFSET: |
639 | if (copy_to_user(to: argp, from: &deviceInfo.ulOverlayOffset, n: sizeof(deviceInfo.ulOverlayOffset))) |
640 | return -EFAULT; |
641 | break; |
642 | } |
643 | |
644 | return 0; |
645 | } |
646 | |
647 | static const 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 = kyrofb_remove, |
660 | }; |
661 | |
662 | static const struct fb_ops kyrofb_ops = { |
663 | .owner = THIS_MODULE, |
664 | FB_DEFAULT_IOMEM_OPS, |
665 | .fb_check_var = kyrofb_check_var, |
666 | .fb_set_par = kyrofb_set_par, |
667 | .fb_setcolreg = kyrofb_setcolreg, |
668 | .fb_ioctl = kyrofb_ioctl, |
669 | }; |
670 | |
671 | static int kyrofb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) |
672 | { |
673 | struct fb_info *info; |
674 | struct kyrofb_info *currentpar; |
675 | unsigned long size; |
676 | int err; |
677 | |
678 | err = aperture_remove_conflicting_pci_devices(pdev, name: "kyrofb" ); |
679 | if (err) |
680 | return err; |
681 | |
682 | if ((err = pci_enable_device(dev: pdev))) { |
683 | printk(KERN_WARNING "kyrofb: Can't enable pdev: %d\n" , err); |
684 | return err; |
685 | } |
686 | |
687 | info = framebuffer_alloc(size: sizeof(struct kyrofb_info), dev: &pdev->dev); |
688 | if (!info) |
689 | return -ENOMEM; |
690 | |
691 | currentpar = info->par; |
692 | |
693 | kyro_fix.smem_start = pci_resource_start(pdev, 0); |
694 | kyro_fix.smem_len = pci_resource_len(pdev, 0); |
695 | kyro_fix.mmio_start = pci_resource_start(pdev, 1); |
696 | kyro_fix.mmio_len = pci_resource_len(pdev, 1); |
697 | |
698 | currentpar->regbase = deviceInfo.pSTGReg = |
699 | ioremap(offset: kyro_fix.mmio_start, size: kyro_fix.mmio_len); |
700 | if (!currentpar->regbase) |
701 | goto out_free_fb; |
702 | |
703 | info->screen_base = pci_ioremap_wc_bar(pdev, bar: 0); |
704 | if (!info->screen_base) |
705 | goto out_unmap_regs; |
706 | |
707 | if (!nomtrr) |
708 | currentpar->wc_cookie = arch_phys_wc_add(base: kyro_fix.smem_start, |
709 | size: kyro_fix.smem_len); |
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 | |
718 | SetCoreClockPLL(pSTGReg: deviceInfo.pSTGReg, pDev: pdev); |
719 | |
720 | deviceInfo.ulNextFreeVidMem = 0; |
721 | deviceInfo.ulOverlayOffset = 0; |
722 | |
723 | /* This should give a reasonable default video mode */ |
724 | if (!fb_find_mode(var: &info->var, info, mode_option, db: kyro_modedb, |
725 | NUM_TOTAL_MODES, default_mode: &kyro_modedb[VMODE_1024_768_75], default_bpp: 32)) |
726 | info->var = kyro_var; |
727 | |
728 | fb_alloc_cmap(cmap: &info->cmap, len: 256, transp: 0); |
729 | |
730 | kyrofb_set_par(info); |
731 | kyrofb_check_var(var: &info->var, info); |
732 | |
733 | size = get_line_length(x: info->var.xres_virtual, |
734 | bpp: info->var.bits_per_pixel); |
735 | size *= info->var.yres_virtual; |
736 | |
737 | fb_memset_io(addr: info->screen_base, c: 0, n: size); |
738 | |
739 | if (register_framebuffer(fb_info: info) < 0) |
740 | goto out_unmap; |
741 | |
742 | fb_info(info, "%s frame buffer device, at %dx%d@%d using %ldk/%ldk of VRAM\n" , |
743 | info->fix.id, |
744 | info->var.xres, info->var.yres, info->var.bits_per_pixel, |
745 | size >> 10, (unsigned long)info->fix.smem_len >> 10); |
746 | |
747 | pci_set_drvdata(pdev, data: info); |
748 | |
749 | return 0; |
750 | |
751 | out_unmap: |
752 | iounmap(addr: info->screen_base); |
753 | out_unmap_regs: |
754 | iounmap(addr: currentpar->regbase); |
755 | out_free_fb: |
756 | framebuffer_release(info); |
757 | |
758 | return -EINVAL; |
759 | } |
760 | |
761 | static void kyrofb_remove(struct pci_dev *pdev) |
762 | { |
763 | struct fb_info *info = pci_get_drvdata(pdev); |
764 | struct kyrofb_info *par = info->par; |
765 | |
766 | /* Reset the board */ |
767 | StopVTG(pSTGReg: deviceInfo.pSTGReg); |
768 | DisableRamdacOutput(pSTGReg: deviceInfo.pSTGReg); |
769 | |
770 | /* Sync up the PLL */ |
771 | SetCoreClockPLL(pSTGReg: deviceInfo.pSTGReg, pDev: pdev); |
772 | |
773 | deviceInfo.ulNextFreeVidMem = 0; |
774 | deviceInfo.ulOverlayOffset = 0; |
775 | |
776 | iounmap(addr: info->screen_base); |
777 | iounmap(addr: par->regbase); |
778 | |
779 | arch_phys_wc_del(handle: par->wc_cookie); |
780 | |
781 | unregister_framebuffer(fb_info: info); |
782 | framebuffer_release(info); |
783 | } |
784 | |
785 | static int __init kyrofb_init(void) |
786 | { |
787 | #ifndef MODULE |
788 | char *option = NULL; |
789 | #endif |
790 | |
791 | if (fb_modesetting_disabled(drvname: "kyrofb" )) |
792 | return -ENODEV; |
793 | |
794 | #ifndef MODULE |
795 | if (fb_get_options(name: "kyrofb" , option: &option)) |
796 | return -ENODEV; |
797 | kyrofb_setup(options: 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(dev: &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" ); |
815 | |