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1da177e4 LT |
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 | ||
1da177e4 LT |
12 | #include <linux/module.h> |
13 | #include <linux/types.h> | |
14 | #include <linux/kernel.h> | |
1da177e4 LT |
15 | #include <linux/mm.h> |
16 | #include <linux/errno.h> | |
17 | #include <linux/string.h> | |
1da177e4 LT |
18 | #include <linux/delay.h> |
19 | #include <linux/fb.h> | |
20 | #include <linux/ioctl.h> | |
21 | #include <linux/init.h> | |
22 | #include <linux/pci.h> | |
23 | #include <asm/io.h> | |
84902b7a | 24 | #include <linux/uaccess.h> |
1da177e4 LT |
25 | #ifdef CONFIG_MTRR |
26 | #include <asm/mtrr.h> | |
27 | #endif | |
28 | ||
29 | #include <video/kyro.h> | |
30 | ||
31 | #include "STG4000Reg.h" | |
32 | #include "STG4000Interface.h" | |
33 | ||
34 | /* | |
35 | * PCI Definitions | |
36 | */ | |
37 | #define PCI_VENDOR_ID_ST 0x104a | |
38 | #define PCI_DEVICE_ID_STG4000 0x0010 | |
39 | ||
40 | #define KHZ2PICOS(a) (1000000000UL/(a)) | |
41 | ||
42 | /****************************************************************************/ | |
48c68c4f | 43 | static struct fb_fix_screeninfo kyro_fix = { |
1da177e4 LT |
44 | .id = "ST Kyro", |
45 | .type = FB_TYPE_PACKED_PIXELS, | |
46 | .visual = FB_VISUAL_TRUECOLOR, | |
47 | .accel = FB_ACCEL_NONE, | |
48 | }; | |
49 | ||
48c68c4f | 50 | static struct fb_var_screeninfo kyro_var = { |
1da177e4 LT |
51 | /* 640x480, 16bpp @ 60 Hz */ |
52 | .xres = 640, | |
53 | .yres = 480, | |
54 | .xres_virtual = 640, | |
55 | .yres_virtual = 480, | |
56 | .bits_per_pixel = 16, | |
57 | .red = { 11, 5, 0 }, | |
58 | .green = { 5, 6, 0 }, | |
59 | .blue = { 0, 5, 0 }, | |
60 | .activate = FB_ACTIVATE_NOW, | |
61 | .height = -1, | |
62 | .width = -1, | |
63 | .pixclock = KHZ2PICOS(25175), | |
64 | .left_margin = 48, | |
65 | .right_margin = 16, | |
66 | .upper_margin = 33, | |
67 | .lower_margin = 10, | |
68 | .hsync_len = 96, | |
69 | .vsync_len = 2, | |
70 | .vmode = FB_VMODE_NONINTERLACED, | |
71 | }; | |
72 | ||
1da177e4 LT |
73 | typedef struct { |
74 | STG4000REG __iomem *pSTGReg; /* Virtual address of PCI register region */ | |
75 | u32 ulNextFreeVidMem; /* Offset from start of vid mem to next free region */ | |
76 | u32 ulOverlayOffset; /* Offset from start of vid mem to overlay */ | |
77 | u32 ulOverlayStride; /* Interleaved YUV and 422 mode Y stride */ | |
78 | u32 ulOverlayUVStride; /* 422 mode U & V stride */ | |
79 | } device_info_t; | |
80 | ||
81 | /* global graphics card info structure (one per card) */ | |
82 | static device_info_t deviceInfo; | |
83 | ||
48c68c4f GKH |
84 | static char *mode_option = NULL; |
85 | static int nopan = 0; | |
86 | static int nowrap = 1; | |
1da177e4 | 87 | #ifdef CONFIG_MTRR |
48c68c4f | 88 | static int nomtrr = 0; |
1da177e4 LT |
89 | #endif |
90 | ||
91 | /* PCI driver prototypes */ | |
92 | static int kyrofb_probe(struct pci_dev *pdev, const struct pci_device_id *ent); | |
93 | static void kyrofb_remove(struct pci_dev *pdev); | |
94 | ||
48c68c4f | 95 | static struct fb_videomode kyro_modedb[] = { |
1da177e4 LT |
96 | { |
97 | /* 640x350 @ 85Hz */ | |
98 | NULL, 85, 640, 350, KHZ2PICOS(31500), | |
99 | 96, 32, 60, 32, 64, 3, | |
100 | FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED | |
101 | }, { | |
102 | /* 640x400 @ 85Hz */ | |
103 | NULL, 85, 640, 400, KHZ2PICOS(31500), | |
104 | 96, 32, 41, 1, 64, 3, | |
105 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED | |
106 | }, { | |
107 | /* 720x400 @ 85Hz */ | |
108 | NULL, 85, 720, 400, KHZ2PICOS(35500), | |
109 | 108, 36, 42, 1, 72, 3, | |
110 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED | |
111 | }, { | |
112 | /* 640x480 @ 60Hz */ | |
113 | NULL, 60, 640, 480, KHZ2PICOS(25175), | |
114 | 48, 16, 33, 10, 96, 2, | |
115 | 0, FB_VMODE_NONINTERLACED | |
116 | }, { | |
117 | /* 640x480 @ 72Hz */ | |
118 | NULL, 72, 640, 480, KHZ2PICOS(31500), | |
119 | 128, 24, 28, 9, 40, 3, | |
120 | 0, FB_VMODE_NONINTERLACED | |
121 | }, { | |
122 | /* 640x480 @ 75Hz */ | |
123 | NULL, 75, 640, 480, KHZ2PICOS(31500), | |
124 | 120, 16, 16, 1, 64, 3, | |
125 | 0, FB_VMODE_NONINTERLACED | |
126 | }, { | |
127 | /* 640x480 @ 85Hz */ | |
128 | NULL, 85, 640, 480, KHZ2PICOS(36000), | |
129 | 80, 56, 25, 1, 56, 3, | |
130 | 0, FB_VMODE_NONINTERLACED | |
131 | }, { | |
132 | /* 800x600 @ 56Hz */ | |
133 | NULL, 56, 800, 600, KHZ2PICOS(36000), | |
134 | 128, 24, 22, 1, 72, 2, | |
135 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED | |
136 | }, { | |
137 | /* 800x600 @ 60Hz */ | |
138 | NULL, 60, 800, 600, KHZ2PICOS(40000), | |
139 | 88, 40, 23, 1, 128, 4, | |
140 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED | |
141 | }, { | |
142 | /* 800x600 @ 72Hz */ | |
143 | NULL, 72, 800, 600, KHZ2PICOS(50000), | |
144 | 64, 56, 23, 37, 120, 6, | |
145 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED | |
146 | }, { | |
147 | /* 800x600 @ 75Hz */ | |
148 | NULL, 75, 800, 600, KHZ2PICOS(49500), | |
149 | 160, 16, 21, 1, 80, 3, | |
150 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED | |
151 | }, { | |
152 | /* 800x600 @ 85Hz */ | |
153 | NULL, 85, 800, 600, KHZ2PICOS(56250), | |
154 | 152, 32, 27, 1, 64, 3, | |
155 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED | |
156 | }, { | |
157 | /* 1024x768 @ 60Hz */ | |
158 | NULL, 60, 1024, 768, KHZ2PICOS(65000), | |
159 | 160, 24, 29, 3, 136, 6, | |
160 | 0, FB_VMODE_NONINTERLACED | |
161 | }, { | |
162 | /* 1024x768 @ 70Hz */ | |
163 | NULL, 70, 1024, 768, KHZ2PICOS(75000), | |
164 | 144, 24, 29, 3, 136, 6, | |
165 | 0, FB_VMODE_NONINTERLACED | |
166 | }, { | |
167 | /* 1024x768 @ 75Hz */ | |
168 | NULL, 75, 1024, 768, KHZ2PICOS(78750), | |
169 | 176, 16, 28, 1, 96, 3, | |
170 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED | |
171 | }, { | |
172 | /* 1024x768 @ 85Hz */ | |
173 | NULL, 85, 1024, 768, KHZ2PICOS(94500), | |
174 | 208, 48, 36, 1, 96, 3, | |
175 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED | |
176 | }, { | |
177 | /* 1152x864 @ 75Hz */ | |
178 | NULL, 75, 1152, 864, KHZ2PICOS(108000), | |
179 | 256, 64, 32, 1, 128, 3, | |
180 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED | |
181 | }, { | |
182 | /* 1280x960 @ 60Hz */ | |
183 | NULL, 60, 1280, 960, KHZ2PICOS(108000), | |
184 | 312, 96, 36, 1, 112, 3, | |
185 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED | |
186 | }, { | |
187 | /* 1280x960 @ 85Hz */ | |
188 | NULL, 85, 1280, 960, KHZ2PICOS(148500), | |
189 | 224, 64, 47, 1, 160, 3, | |
190 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED | |
191 | }, { | |
192 | /* 1280x1024 @ 60Hz */ | |
193 | NULL, 60, 1280, 1024, KHZ2PICOS(108000), | |
194 | 248, 48, 38, 1, 112, 3, | |
195 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED | |
196 | }, { | |
197 | /* 1280x1024 @ 75Hz */ | |
198 | NULL, 75, 1280, 1024, KHZ2PICOS(135000), | |
199 | 248, 16, 38, 1, 144, 3, | |
200 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED | |
201 | }, { | |
202 | /* 1280x1024 @ 85Hz */ | |
203 | NULL, 85, 1280, 1024, KHZ2PICOS(157500), | |
204 | 224, 64, 44, 1, 160, 3, | |
205 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED | |
206 | }, { | |
207 | /* 1600x1200 @ 60Hz */ | |
208 | NULL, 60, 1600, 1200, KHZ2PICOS(162000), | |
209 | 304, 64, 46, 1, 192, 3, | |
210 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED | |
211 | }, { | |
212 | /* 1600x1200 @ 65Hz */ | |
213 | NULL, 65, 1600, 1200, KHZ2PICOS(175500), | |
214 | 304, 64, 46, 1, 192, 3, | |
215 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED | |
216 | }, { | |
217 | /* 1600x1200 @ 70Hz */ | |
218 | NULL, 70, 1600, 1200, KHZ2PICOS(189000), | |
219 | 304, 64, 46, 1, 192, 3, | |
220 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED | |
221 | }, { | |
222 | /* 1600x1200 @ 75Hz */ | |
223 | NULL, 75, 1600, 1200, KHZ2PICOS(202500), | |
224 | 304, 64, 46, 1, 192, 3, | |
225 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED | |
226 | }, { | |
227 | /* 1600x1200 @ 85Hz */ | |
228 | NULL, 85, 1600, 1200, KHZ2PICOS(229500), | |
229 | 304, 64, 46, 1, 192, 3, | |
230 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED | |
231 | }, { | |
232 | /* 1792x1344 @ 60Hz */ | |
233 | NULL, 60, 1792, 1344, KHZ2PICOS(204750), | |
234 | 328, 128, 46, 1, 200, 3, | |
235 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED | |
236 | }, { | |
237 | /* 1792x1344 @ 75Hz */ | |
238 | NULL, 75, 1792, 1344, KHZ2PICOS(261000), | |
239 | 352, 96, 69, 1, 216, 3, | |
240 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED | |
241 | }, { | |
242 | /* 1856x1392 @ 60Hz */ | |
243 | NULL, 60, 1856, 1392, KHZ2PICOS(218250), | |
244 | 352, 96, 43, 1, 224, 3, | |
245 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED | |
246 | }, { | |
247 | /* 1856x1392 @ 75Hz */ | |
248 | NULL, 75, 1856, 1392, KHZ2PICOS(288000), | |
249 | 352, 128, 104, 1, 224, 3, | |
250 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED | |
251 | }, { | |
252 | /* 1920x1440 @ 60Hz */ | |
253 | NULL, 60, 1920, 1440, KHZ2PICOS(234000), | |
254 | 344, 128, 56, 1, 208, 3, | |
255 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED | |
256 | }, { | |
257 | /* 1920x1440 @ 75Hz */ | |
258 | NULL, 75, 1920, 1440, KHZ2PICOS(297000), | |
259 | 352, 144, 56, 1, 224, 3, | |
260 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED | |
261 | }, | |
262 | }; | |
263 | #define NUM_TOTAL_MODES ARRAY_SIZE(kyro_modedb) | |
264 | ||
265 | /* | |
266 | * This needs to be kept ordered corresponding to kyro_modedb. | |
267 | */ | |
268 | enum { | |
269 | VMODE_640_350_85, | |
270 | VMODE_640_400_85, | |
271 | VMODE_720_400_85, | |
272 | VMODE_640_480_60, | |
273 | VMODE_640_480_72, | |
274 | VMODE_640_480_75, | |
275 | VMODE_640_480_85, | |
276 | VMODE_800_600_56, | |
277 | VMODE_800_600_60, | |
278 | VMODE_800_600_72, | |
279 | VMODE_800_600_75, | |
280 | VMODE_800_600_85, | |
281 | VMODE_1024_768_60, | |
282 | VMODE_1024_768_70, | |
283 | VMODE_1024_768_75, | |
284 | VMODE_1024_768_85, | |
285 | VMODE_1152_864_75, | |
286 | VMODE_1280_960_60, | |
287 | VMODE_1280_960_85, | |
288 | VMODE_1280_1024_60, | |
289 | VMODE_1280_1024_75, | |
290 | VMODE_1280_1024_85, | |
291 | VMODE_1600_1200_60, | |
292 | VMODE_1600_1200_65, | |
293 | VMODE_1600_1200_70, | |
294 | VMODE_1600_1200_75, | |
295 | VMODE_1600_1200_85, | |
296 | VMODE_1792_1344_60, | |
297 | VMODE_1792_1344_75, | |
298 | VMODE_1856_1392_60, | |
299 | VMODE_1856_1392_75, | |
300 | VMODE_1920_1440_60, | |
301 | VMODE_1920_1440_75, | |
302 | }; | |
303 | ||
304 | /* Accessors */ | |
305 | static int kyro_dev_video_mode_set(struct fb_info *info) | |
306 | { | |
a26968df | 307 | struct kyrofb_info *par = info->par; |
1da177e4 LT |
308 | |
309 | /* Turn off display */ | |
310 | StopVTG(deviceInfo.pSTGReg); | |
311 | DisableRamdacOutput(deviceInfo.pSTGReg); | |
312 | ||
313 | /* Bring us out of VGA and into Hi-Res mode, if not already. */ | |
314 | DisableVGA(deviceInfo.pSTGReg); | |
315 | ||
316 | if (InitialiseRamdac(deviceInfo.pSTGReg, | |
317 | info->var.bits_per_pixel, | |
318 | info->var.xres, info->var.yres, | |
319 | par->HSP, par->VSP, &par->PIXCLK) < 0) | |
320 | return -EINVAL; | |
321 | ||
322 | SetupVTG(deviceInfo.pSTGReg, par); | |
323 | ||
324 | ResetOverlayRegisters(deviceInfo.pSTGReg); | |
325 | ||
326 | /* Turn on display in new mode */ | |
327 | EnableRamdacOutput(deviceInfo.pSTGReg); | |
328 | StartVTG(deviceInfo.pSTGReg); | |
329 | ||
330 | deviceInfo.ulNextFreeVidMem = info->var.xres * info->var.yres * | |
331 | info->var.bits_per_pixel; | |
332 | deviceInfo.ulOverlayOffset = 0; | |
333 | ||
334 | return 0; | |
335 | } | |
336 | ||
337 | static int kyro_dev_overlay_create(u32 ulWidth, | |
338 | u32 ulHeight, int bLinear) | |
339 | { | |
340 | u32 offset; | |
341 | u32 stride, uvStride; | |
342 | ||
343 | if (deviceInfo.ulOverlayOffset != 0) | |
344 | /* | |
345 | * Can only create one overlay without resetting the card or | |
346 | * changing display mode | |
347 | */ | |
348 | return -EINVAL; | |
349 | ||
350 | ResetOverlayRegisters(deviceInfo.pSTGReg); | |
351 | ||
352 | /* Overlays are addressed in multiples of 16bytes or 32bytes, so make | |
353 | * sure the start offset is on an appropriate boundary. | |
354 | */ | |
355 | offset = deviceInfo.ulNextFreeVidMem; | |
356 | if ((offset & 0x1f) != 0) { | |
357 | offset = (offset + 32L) & 0xffffffE0L; | |
358 | } | |
359 | ||
360 | if (CreateOverlaySurface(deviceInfo.pSTGReg, ulWidth, ulHeight, | |
361 | bLinear, offset, &stride, &uvStride) < 0) | |
362 | return -EINVAL; | |
363 | ||
364 | deviceInfo.ulOverlayOffset = offset; | |
365 | deviceInfo.ulOverlayStride = stride; | |
366 | deviceInfo.ulOverlayUVStride = uvStride; | |
367 | deviceInfo.ulNextFreeVidMem = offset + (ulHeight * stride) + (ulHeight * 2 * uvStride); | |
368 | ||
369 | SetOverlayBlendMode(deviceInfo.pSTGReg, GLOBAL_ALPHA, 0xf, 0x0); | |
370 | ||
371 | return 0; | |
372 | } | |
373 | ||
374 | static int kyro_dev_overlay_viewport_set(u32 x, u32 y, u32 ulWidth, u32 ulHeight) | |
375 | { | |
376 | if (deviceInfo.ulOverlayOffset == 0) | |
377 | /* probably haven't called CreateOverlay yet */ | |
378 | return -EINVAL; | |
379 | ||
380 | /* Stop Ramdac Output */ | |
381 | DisableRamdacOutput(deviceInfo.pSTGReg); | |
382 | ||
383 | SetOverlayViewPort(deviceInfo.pSTGReg, | |
384 | x, y, x + ulWidth - 1, y + ulHeight - 1); | |
385 | ||
386 | EnableOverlayPlane(deviceInfo.pSTGReg); | |
387 | /* Start Ramdac Output */ | |
388 | EnableRamdacOutput(deviceInfo.pSTGReg); | |
389 | ||
390 | return 0; | |
391 | } | |
392 | ||
393 | static inline unsigned long get_line_length(int x, int bpp) | |
394 | { | |
395 | return (unsigned long)((((x*bpp)+31)&~31) >> 3); | |
396 | } | |
397 | ||
398 | static int kyrofb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) | |
399 | { | |
a26968df | 400 | struct kyrofb_info *par = info->par; |
1da177e4 LT |
401 | |
402 | if (var->bits_per_pixel != 16 && var->bits_per_pixel != 32) { | |
403 | printk(KERN_WARNING "kyrofb: depth not supported: %u\n", var->bits_per_pixel); | |
404 | return -EINVAL; | |
405 | } | |
406 | ||
407 | switch (var->bits_per_pixel) { | |
408 | case 16: | |
409 | var->red.offset = 11; | |
410 | var->red.length = 5; | |
411 | var->green.offset = 5; | |
412 | var->green.length = 6; | |
413 | var->blue.length = 5; | |
414 | break; | |
415 | case 32: | |
416 | var->transp.offset = 24; | |
417 | var->red.offset = 16; | |
418 | var->green.offset = 8; | |
419 | var->blue.offset = 0; | |
420 | ||
421 | var->red.length = 8; | |
422 | var->green.length = 8; | |
423 | var->blue.length = 8; | |
424 | var->transp.length = 8; | |
425 | break; | |
426 | } | |
427 | ||
428 | /* Height/Width of picture in mm */ | |
429 | var->height = var->width = -1; | |
430 | ||
431 | /* Timing information. All values are in picoseconds */ | |
432 | ||
433 | /* par->PIXCLK is in 100Hz units. Convert to picoseconds - | |
434 | * ensuring we do not exceed 32 bit precision | |
435 | */ | |
436 | /* | |
437 | * XXX: Enabling this really screws over the pixclock value when we | |
438 | * read it back with fbset. As such, leaving this commented out appears | |
439 | * to do the right thing (at least for now) .. bearing in mind that we | |
440 | * have infact already done the KHZ2PICOS conversion in both the modedb | |
441 | * and kyro_var. -- PFM. | |
442 | */ | |
443 | // var->pixclock = 1000000000 / (par->PIXCLK / 10); | |
444 | ||
445 | /* the header file claims we should use picoseconds | |
446 | * - nobody else does though, the all use pixels and lines | |
447 | * of h and v sizes. Both options here. | |
448 | */ | |
449 | ||
450 | /* | |
451 | * If we're being called by __fb_try_mode(), then we don't want to | |
452 | * override any of the var settings that we've already parsed | |
453 | * from our modedb. -- PFM. | |
454 | */ | |
455 | if ((var->activate & FB_ACTIVATE_MASK) == FB_ACTIVATE_TEST) | |
456 | return 0; | |
457 | ||
458 | var->left_margin = par->HBP; | |
459 | var->hsync_len = par->HST; | |
460 | var->right_margin = par->HFP; | |
461 | ||
462 | var->upper_margin = par->VBP; | |
463 | var->vsync_len = par->VST; | |
464 | var->lower_margin = par->VFP; | |
465 | ||
466 | if (par->HSP == 1) | |
467 | var->sync |= FB_SYNC_HOR_HIGH_ACT; | |
468 | if (par->VSP == 1) | |
469 | var->sync |= FB_SYNC_VERT_HIGH_ACT; | |
470 | ||
471 | return 0; | |
472 | } | |
473 | ||
474 | static int kyrofb_set_par(struct fb_info *info) | |
475 | { | |
a26968df | 476 | struct kyrofb_info *par = info->par; |
1da177e4 LT |
477 | unsigned long lineclock; |
478 | unsigned long frameclock; | |
479 | ||
480 | /* Actual resolution */ | |
481 | par->XRES = info->var.xres; | |
482 | par->YRES = info->var.yres; | |
483 | ||
484 | /* pixel depth */ | |
485 | par->PIXDEPTH = info->var.bits_per_pixel; | |
486 | ||
487 | /* Refresh rate */ | |
488 | /* time for a line in ns */ | |
489 | lineclock = (info->var.pixclock * (info->var.xres + | |
490 | info->var.right_margin + | |
491 | info->var.hsync_len + | |
492 | info->var.left_margin)) / 1000; | |
493 | ||
494 | ||
495 | /* time for a frame in ns (precision in 32bpp) */ | |
496 | frameclock = lineclock * (info->var.yres + | |
497 | info->var.lower_margin + | |
498 | info->var.vsync_len + | |
499 | info->var.upper_margin); | |
500 | ||
501 | /* Calculate refresh rate and horrizontal clocks */ | |
502 | par->VFREQ = (1000000000 + (frameclock / 2)) / frameclock; | |
503 | par->HCLK = (1000000000 + (lineclock / 2)) / lineclock; | |
504 | par->PIXCLK = ((1000000000 + (info->var.pixclock / 2)) | |
505 | / info->var.pixclock) * 10; | |
506 | ||
507 | /* calculate horizontal timings */ | |
508 | par->HFP = info->var.right_margin; | |
509 | par->HST = info->var.hsync_len; | |
510 | par->HBP = info->var.left_margin; | |
511 | par->HTot = par->XRES + par->HBP + par->HST + par->HFP; | |
512 | ||
513 | /* calculate vertical timings */ | |
514 | par->VFP = info->var.lower_margin; | |
515 | par->VST = info->var.vsync_len; | |
516 | par->VBP = info->var.upper_margin; | |
517 | par->VTot = par->YRES + par->VBP + par->VST + par->VFP; | |
518 | ||
519 | par->HSP = (info->var.sync & FB_SYNC_HOR_HIGH_ACT) ? 1 : 0; | |
520 | par->VSP = (info->var.sync & FB_SYNC_VERT_HIGH_ACT) ? 1 : 0; | |
521 | ||
522 | kyro_dev_video_mode_set(info); | |
523 | ||
524 | /* length of a line in bytes */ | |
525 | info->fix.line_length = get_line_length(par->XRES, par->PIXDEPTH); | |
526 | info->fix.visual = FB_VISUAL_TRUECOLOR; | |
527 | ||
528 | return 0; | |
529 | } | |
530 | ||
531 | static int kyrofb_setcolreg(u_int regno, u_int red, u_int green, | |
532 | u_int blue, u_int transp, struct fb_info *info) | |
533 | { | |
a26968df AD |
534 | struct kyrofb_info *par = info->par; |
535 | ||
1da177e4 LT |
536 | if (regno > 255) |
537 | return 1; /* Invalid register */ | |
538 | ||
539 | if (regno < 16) { | |
540 | switch (info->var.bits_per_pixel) { | |
541 | case 16: | |
a26968df | 542 | par->palette[regno] = |
1da177e4 LT |
543 | (red & 0xf800) | |
544 | ((green & 0xfc00) >> 5) | | |
545 | ((blue & 0xf800) >> 11); | |
546 | break; | |
547 | case 32: | |
548 | red >>= 8; green >>= 8; blue >>= 8; transp >>= 8; | |
a26968df | 549 | par->palette[regno] = |
1da177e4 LT |
550 | (transp << 24) | (red << 16) | (green << 8) | blue; |
551 | break; | |
552 | } | |
553 | } | |
554 | ||
555 | return 0; | |
556 | } | |
557 | ||
558 | #ifndef MODULE | |
559 | static int __init kyrofb_setup(char *options) | |
560 | { | |
561 | char *this_opt; | |
562 | ||
563 | if (!options || !*options) | |
564 | return 0; | |
565 | ||
566 | while ((this_opt = strsep(&options, ","))) { | |
567 | if (!*this_opt) | |
568 | continue; | |
569 | if (strcmp(this_opt, "nopan") == 0) { | |
570 | nopan = 1; | |
571 | } else if (strcmp(this_opt, "nowrap") == 0) { | |
572 | nowrap = 1; | |
573 | #ifdef CONFIG_MTRR | |
574 | } else if (strcmp(this_opt, "nomtrr") == 0) { | |
575 | nomtrr = 1; | |
576 | #endif | |
577 | } else { | |
578 | mode_option = this_opt; | |
579 | } | |
580 | } | |
581 | ||
582 | return 0; | |
583 | } | |
584 | #endif | |
585 | ||
67a6680d CH |
586 | static int kyrofb_ioctl(struct fb_info *info, |
587 | unsigned int cmd, unsigned long arg) | |
1da177e4 LT |
588 | { |
589 | overlay_create ol_create; | |
590 | overlay_viewport_set ol_viewport_set; | |
591 | void __user *argp = (void __user *)arg; | |
592 | ||
593 | switch (cmd) { | |
594 | case KYRO_IOCTL_OVERLAY_CREATE: | |
595 | if (copy_from_user(&ol_create, argp, sizeof(overlay_create))) | |
596 | return -EFAULT; | |
597 | ||
598 | if (kyro_dev_overlay_create(ol_create.ulWidth, | |
599 | ol_create.ulHeight, 0) < 0) { | |
600 | printk(KERN_ERR "Kyro FB: failed to create overlay surface.\n"); | |
601 | ||
602 | return -EINVAL; | |
603 | } | |
604 | break; | |
605 | case KYRO_IOCTL_OVERLAY_VIEWPORT_SET: | |
606 | if (copy_from_user(&ol_viewport_set, argp, | |
607 | sizeof(overlay_viewport_set))) | |
608 | return -EFAULT; | |
609 | ||
610 | if (kyro_dev_overlay_viewport_set(ol_viewport_set.xOrgin, | |
611 | ol_viewport_set.yOrgin, | |
612 | ol_viewport_set.xSize, | |
613 | ol_viewport_set.ySize) != 0) | |
614 | { | |
615 | printk(KERN_ERR "Kyro FB: failed to create overlay viewport.\n"); | |
616 | return -EINVAL; | |
617 | } | |
618 | break; | |
619 | case KYRO_IOCTL_SET_VIDEO_MODE: | |
620 | { | |
621 | printk(KERN_ERR "Kyro FB: KYRO_IOCTL_SET_VIDEO_MODE is" | |
622 | "obsolete, use the appropriate fb_ioctl()" | |
623 | "command instead.\n"); | |
624 | return -EINVAL; | |
625 | } | |
1da177e4 | 626 | case KYRO_IOCTL_UVSTRIDE: |
2ab68ec9 | 627 | if (copy_to_user(argp, &deviceInfo.ulOverlayUVStride, sizeof(deviceInfo.ulOverlayUVStride))) |
1da177e4 LT |
628 | return -EFAULT; |
629 | break; | |
630 | case KYRO_IOCTL_STRIDE: | |
2ab68ec9 | 631 | if (copy_to_user(argp, &deviceInfo.ulOverlayStride, sizeof(deviceInfo.ulOverlayStride))) |
1da177e4 LT |
632 | return -EFAULT; |
633 | break; | |
634 | case KYRO_IOCTL_OVERLAY_OFFSET: | |
2ab68ec9 | 635 | if (copy_to_user(argp, &deviceInfo.ulOverlayOffset, sizeof(deviceInfo.ulOverlayOffset))) |
1da177e4 LT |
636 | return -EFAULT; |
637 | break; | |
638 | } | |
639 | ||
640 | return 0; | |
641 | } | |
642 | ||
643 | static struct pci_device_id kyrofb_pci_tbl[] = { | |
644 | { PCI_VENDOR_ID_ST, PCI_DEVICE_ID_STG4000, | |
645 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
646 | { 0, } | |
647 | }; | |
648 | ||
649 | MODULE_DEVICE_TABLE(pci, kyrofb_pci_tbl); | |
650 | ||
651 | static struct pci_driver kyrofb_pci_driver = { | |
652 | .name = "kyrofb", | |
653 | .id_table = kyrofb_pci_tbl, | |
654 | .probe = kyrofb_probe, | |
48c68c4f | 655 | .remove = kyrofb_remove, |
1da177e4 LT |
656 | }; |
657 | ||
658 | static struct fb_ops kyrofb_ops = { | |
659 | .owner = THIS_MODULE, | |
660 | .fb_check_var = kyrofb_check_var, | |
661 | .fb_set_par = kyrofb_set_par, | |
662 | .fb_setcolreg = kyrofb_setcolreg, | |
663 | .fb_ioctl = kyrofb_ioctl, | |
664 | .fb_fillrect = cfb_fillrect, | |
665 | .fb_copyarea = cfb_copyarea, | |
666 | .fb_imageblit = cfb_imageblit, | |
1da177e4 LT |
667 | }; |
668 | ||
48c68c4f | 669 | static int kyrofb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) |
1da177e4 LT |
670 | { |
671 | struct fb_info *info; | |
a26968df | 672 | struct kyrofb_info *currentpar; |
1da177e4 LT |
673 | unsigned long size; |
674 | int err; | |
675 | ||
676 | if ((err = pci_enable_device(pdev))) { | |
677 | printk(KERN_WARNING "kyrofb: Can't enable pdev: %d\n", err); | |
678 | return err; | |
679 | } | |
680 | ||
a26968df | 681 | info = framebuffer_alloc(sizeof(struct kyrofb_info), &pdev->dev); |
1da177e4 LT |
682 | if (!info) |
683 | return -ENOMEM; | |
684 | ||
a26968df | 685 | currentpar = info->par; |
1da177e4 LT |
686 | |
687 | kyro_fix.smem_start = pci_resource_start(pdev, 0); | |
688 | kyro_fix.smem_len = pci_resource_len(pdev, 0); | |
689 | kyro_fix.mmio_start = pci_resource_start(pdev, 1); | |
690 | kyro_fix.mmio_len = pci_resource_len(pdev, 1); | |
691 | ||
692 | currentpar->regbase = deviceInfo.pSTGReg = | |
693 | ioremap_nocache(kyro_fix.mmio_start, kyro_fix.mmio_len); | |
694 | ||
695 | info->screen_base = ioremap_nocache(kyro_fix.smem_start, | |
696 | kyro_fix.smem_len); | |
697 | ||
698 | #ifdef CONFIG_MTRR | |
699 | if (!nomtrr) | |
700 | currentpar->mtrr_handle = | |
701 | mtrr_add(kyro_fix.smem_start, | |
702 | kyro_fix.smem_len, | |
703 | MTRR_TYPE_WRCOMB, 1); | |
704 | #endif | |
705 | ||
706 | kyro_fix.ypanstep = nopan ? 0 : 1; | |
707 | kyro_fix.ywrapstep = nowrap ? 0 : 1; | |
708 | ||
709 | info->fbops = &kyrofb_ops; | |
710 | info->fix = kyro_fix; | |
a26968df | 711 | info->pseudo_palette = currentpar->palette; |
1da177e4 LT |
712 | info->flags = FBINFO_DEFAULT; |
713 | ||
714 | SetCoreClockPLL(deviceInfo.pSTGReg, pdev); | |
715 | ||
716 | deviceInfo.ulNextFreeVidMem = 0; | |
717 | deviceInfo.ulOverlayOffset = 0; | |
718 | ||
719 | /* This should give a reasonable default video mode */ | |
720 | if (!fb_find_mode(&info->var, info, mode_option, kyro_modedb, | |
721 | NUM_TOTAL_MODES, &kyro_modedb[VMODE_1024_768_75], 32)) | |
722 | info->var = kyro_var; | |
723 | ||
724 | fb_alloc_cmap(&info->cmap, 256, 0); | |
725 | ||
726 | kyrofb_set_par(info); | |
727 | kyrofb_check_var(&info->var, info); | |
728 | ||
729 | size = get_line_length(info->var.xres_virtual, | |
730 | info->var.bits_per_pixel); | |
731 | size *= info->var.yres_virtual; | |
732 | ||
733 | fb_memset(info->screen_base, 0, size); | |
734 | ||
1da177e4 LT |
735 | if (register_framebuffer(info) < 0) |
736 | goto out_unmap; | |
737 | ||
31b6780c JP |
738 | fb_info(info, "%s frame buffer device, at %dx%d@%d using %ldk/%ldk of VRAM\n", |
739 | info->fix.id, | |
740 | info->var.xres, info->var.yres, info->var.bits_per_pixel, | |
741 | size >> 10, (unsigned long)info->fix.smem_len >> 10); | |
1da177e4 LT |
742 | |
743 | pci_set_drvdata(pdev, info); | |
744 | ||
745 | return 0; | |
746 | ||
747 | out_unmap: | |
748 | iounmap(currentpar->regbase); | |
749 | iounmap(info->screen_base); | |
a26968df | 750 | framebuffer_release(info); |
1da177e4 LT |
751 | |
752 | return -EINVAL; | |
753 | } | |
754 | ||
48c68c4f | 755 | static void kyrofb_remove(struct pci_dev *pdev) |
1da177e4 LT |
756 | { |
757 | struct fb_info *info = pci_get_drvdata(pdev); | |
a26968df | 758 | struct kyrofb_info *par = info->par; |
1da177e4 LT |
759 | |
760 | /* Reset the board */ | |
761 | StopVTG(deviceInfo.pSTGReg); | |
762 | DisableRamdacOutput(deviceInfo.pSTGReg); | |
763 | ||
764 | /* Sync up the PLL */ | |
765 | SetCoreClockPLL(deviceInfo.pSTGReg, pdev); | |
766 | ||
767 | deviceInfo.ulNextFreeVidMem = 0; | |
768 | deviceInfo.ulOverlayOffset = 0; | |
769 | ||
770 | iounmap(info->screen_base); | |
771 | iounmap(par->regbase); | |
772 | ||
773 | #ifdef CONFIG_MTRR | |
774 | if (par->mtrr_handle) | |
775 | mtrr_del(par->mtrr_handle, | |
776 | info->fix.smem_start, | |
777 | info->fix.smem_len); | |
778 | #endif | |
779 | ||
780 | unregister_framebuffer(info); | |
a26968df | 781 | framebuffer_release(info); |
1da177e4 LT |
782 | } |
783 | ||
784 | static int __init kyrofb_init(void) | |
785 | { | |
786 | #ifndef MODULE | |
787 | char *option = NULL; | |
788 | ||
789 | if (fb_get_options("kyrofb", &option)) | |
790 | return -ENODEV; | |
791 | kyrofb_setup(option); | |
792 | #endif | |
793 | return pci_register_driver(&kyrofb_pci_driver); | |
794 | } | |
795 | ||
796 | static void __exit kyrofb_exit(void) | |
797 | { | |
798 | pci_unregister_driver(&kyrofb_pci_driver); | |
799 | } | |
800 | ||
801 | module_init(kyrofb_init); | |
802 | ||
803 | #ifdef MODULE | |
804 | module_exit(kyrofb_exit); | |
805 | #endif | |
806 | ||
807 | MODULE_AUTHOR("STMicroelectronics; Paul Mundt <lethal@linux-sh.org>"); | |
808 | MODULE_LICENSE("GPL"); |