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1da177e4 LT |
1 | /* |
2 | * linux/drivers/video/riva/fbdev.c - nVidia RIVA 128/TNT/TNT2 fb driver | |
3 | * | |
4 | * Maintained by Ani Joshi <ajoshi@shell.unixbox.com> | |
5 | * | |
6 | * Copyright 1999-2000 Jeff Garzik | |
7 | * | |
8 | * Contributors: | |
9 | * | |
10 | * Ani Joshi: Lots of debugging and cleanup work, really helped | |
11 | * get the driver going | |
12 | * | |
13 | * Ferenc Bakonyi: Bug fixes, cleanup, modularization | |
14 | * | |
15 | * Jindrich Makovicka: Accel code help, hw cursor, mtrr | |
16 | * | |
17 | * Paul Richards: Bug fixes, updates | |
18 | * | |
19 | * Initial template from skeletonfb.c, created 28 Dec 1997 by Geert Uytterhoeven | |
20 | * Includes riva_hw.c from nVidia, see copyright below. | |
21 | * KGI code provided the basis for state storage, init, and mode switching. | |
22 | * | |
23 | * This file is subject to the terms and conditions of the GNU General Public | |
24 | * License. See the file COPYING in the main directory of this archive | |
25 | * for more details. | |
26 | * | |
27 | * Known bugs and issues: | |
28 | * restoring text mode fails | |
29 | * doublescan modes are broken | |
30 | */ | |
31 | ||
1da177e4 LT |
32 | #include <linux/module.h> |
33 | #include <linux/kernel.h> | |
34 | #include <linux/errno.h> | |
35 | #include <linux/string.h> | |
36 | #include <linux/mm.h> | |
1da177e4 LT |
37 | #include <linux/slab.h> |
38 | #include <linux/delay.h> | |
39 | #include <linux/fb.h> | |
40 | #include <linux/init.h> | |
41 | #include <linux/pci.h> | |
5474c120 | 42 | #include <linux/backlight.h> |
1da177e4 LT |
43 | #ifdef CONFIG_MTRR |
44 | #include <asm/mtrr.h> | |
45 | #endif | |
46 | #ifdef CONFIG_PPC_OF | |
47 | #include <asm/prom.h> | |
48 | #include <asm/pci-bridge.h> | |
49 | #endif | |
50 | #ifdef CONFIG_PMAC_BACKLIGHT | |
e8222502 | 51 | #include <asm/machdep.h> |
1da177e4 LT |
52 | #include <asm/backlight.h> |
53 | #endif | |
54 | ||
55 | #include "rivafb.h" | |
56 | #include "nvreg.h" | |
57 | ||
58 | #ifndef CONFIG_PCI /* sanity check */ | |
59 | #error This driver requires PCI support. | |
60 | #endif | |
61 | ||
62 | /* version number of this driver */ | |
63 | #define RIVAFB_VERSION "0.9.5b" | |
64 | ||
65 | /* ------------------------------------------------------------------------- * | |
66 | * | |
67 | * various helpful macros and constants | |
68 | * | |
69 | * ------------------------------------------------------------------------- */ | |
70 | #ifdef CONFIG_FB_RIVA_DEBUG | |
71 | #define NVTRACE printk | |
72 | #else | |
73 | #define NVTRACE if(0) printk | |
74 | #endif | |
75 | ||
76 | #define NVTRACE_ENTER(...) NVTRACE("%s START\n", __FUNCTION__) | |
77 | #define NVTRACE_LEAVE(...) NVTRACE("%s END\n", __FUNCTION__) | |
78 | ||
79 | #ifdef CONFIG_FB_RIVA_DEBUG | |
80 | #define assert(expr) \ | |
81 | if(!(expr)) { \ | |
82 | printk( "Assertion failed! %s,%s,%s,line=%d\n",\ | |
83 | #expr,__FILE__,__FUNCTION__,__LINE__); \ | |
84 | BUG(); \ | |
85 | } | |
86 | #else | |
87 | #define assert(expr) | |
88 | #endif | |
89 | ||
90 | #define PFX "rivafb: " | |
91 | ||
92 | /* macro that allows you to set overflow bits */ | |
93 | #define SetBitField(value,from,to) SetBF(to,GetBF(value,from)) | |
94 | #define SetBit(n) (1<<(n)) | |
95 | #define Set8Bits(value) ((value)&0xff) | |
96 | ||
97 | /* HW cursor parameters */ | |
98 | #define MAX_CURS 32 | |
99 | ||
100 | /* ------------------------------------------------------------------------- * | |
101 | * | |
102 | * prototypes | |
103 | * | |
104 | * ------------------------------------------------------------------------- */ | |
105 | ||
106 | static int rivafb_blank(int blank, struct fb_info *info); | |
107 | ||
108 | /* ------------------------------------------------------------------------- * | |
109 | * | |
110 | * card identification | |
111 | * | |
112 | * ------------------------------------------------------------------------- */ | |
113 | ||
114 | static struct pci_device_id rivafb_pci_tbl[] = { | |
115 | { PCI_VENDOR_ID_NVIDIA_SGS, PCI_DEVICE_ID_NVIDIA_SGS_RIVA128, | |
116 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
117 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_TNT, | |
118 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
119 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_TNT2, | |
120 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
121 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_UTNT2, | |
122 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
123 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_VTNT2, | |
124 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
125 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_UVTNT2, | |
126 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
127 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_ITNT2, | |
128 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
129 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE_SDR, | |
130 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
131 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE_DDR, | |
132 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
133 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_QUADRO, | |
134 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
135 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE2_MX, | |
136 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
137 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE2_MX2, | |
138 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
139 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE2_GO, | |
140 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
141 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_QUADRO2_MXR, | |
142 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
143 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE2_GTS, | |
144 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
145 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE2_GTS2, | |
146 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
147 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE2_ULTRA, | |
148 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
149 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_QUADRO2_PRO, | |
150 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
151 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE4_MX_460, | |
152 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
153 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE4_MX_440, | |
154 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
155 | // NF2/IGP version, GeForce 4 MX, NV18 | |
156 | { PCI_VENDOR_ID_NVIDIA, 0x01f0, | |
157 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
158 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE4_MX_420, | |
159 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
160 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE4_440_GO, | |
161 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
162 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE4_420_GO, | |
163 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
164 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE4_420_GO_M32, | |
165 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
166 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_QUADRO4_500XGL, | |
167 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
168 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE4_440_GO_M64, | |
169 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
170 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_QUADRO4_200, | |
171 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
172 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_QUADRO4_550XGL, | |
173 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
174 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_QUADRO4_500_GOGL, | |
175 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
176 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_IGEFORCE2, | |
177 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
178 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE3, | |
179 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
180 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE3_1, | |
181 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
182 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE3_2, | |
183 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
184 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_QUADRO_DDC, | |
185 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
186 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE4_TI_4600, | |
187 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
188 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE4_TI_4400, | |
189 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
190 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE4_TI_4200, | |
191 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
192 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_QUADRO4_900XGL, | |
193 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
194 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_QUADRO4_750XGL, | |
195 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
196 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_QUADRO4_700XGL, | |
197 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
198 | { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE_FX_GO_5200, | |
199 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
200 | { 0, } /* terminate list */ | |
201 | }; | |
202 | MODULE_DEVICE_TABLE(pci, rivafb_pci_tbl); | |
203 | ||
204 | /* ------------------------------------------------------------------------- * | |
205 | * | |
206 | * global variables | |
207 | * | |
208 | * ------------------------------------------------------------------------- */ | |
209 | ||
210 | /* command line data, set in rivafb_setup() */ | |
211 | static int flatpanel __devinitdata = -1; /* Autodetect later */ | |
212 | static int forceCRTC __devinitdata = -1; | |
213 | static int noaccel __devinitdata = 0; | |
214 | #ifdef CONFIG_MTRR | |
215 | static int nomtrr __devinitdata = 0; | |
216 | #endif | |
217 | ||
218 | static char *mode_option __devinitdata = NULL; | |
219 | static int strictmode = 0; | |
220 | ||
221 | static struct fb_fix_screeninfo __devinitdata rivafb_fix = { | |
222 | .type = FB_TYPE_PACKED_PIXELS, | |
223 | .xpanstep = 1, | |
224 | .ypanstep = 1, | |
225 | }; | |
226 | ||
227 | static struct fb_var_screeninfo __devinitdata rivafb_default_var = { | |
228 | .xres = 640, | |
229 | .yres = 480, | |
230 | .xres_virtual = 640, | |
231 | .yres_virtual = 480, | |
232 | .bits_per_pixel = 8, | |
233 | .red = {0, 8, 0}, | |
234 | .green = {0, 8, 0}, | |
235 | .blue = {0, 8, 0}, | |
236 | .transp = {0, 0, 0}, | |
237 | .activate = FB_ACTIVATE_NOW, | |
238 | .height = -1, | |
239 | .width = -1, | |
240 | .pixclock = 39721, | |
241 | .left_margin = 40, | |
242 | .right_margin = 24, | |
243 | .upper_margin = 32, | |
244 | .lower_margin = 11, | |
245 | .hsync_len = 96, | |
246 | .vsync_len = 2, | |
247 | .vmode = FB_VMODE_NONINTERLACED | |
248 | }; | |
249 | ||
250 | /* from GGI */ | |
251 | static const struct riva_regs reg_template = { | |
252 | {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* ATTR */ | |
253 | 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, | |
254 | 0x41, 0x01, 0x0F, 0x00, 0x00}, | |
255 | {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* CRT */ | |
256 | 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, | |
257 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE3, /* 0x10 */ | |
258 | 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
259 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20 */ | |
260 | 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
261 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30 */ | |
262 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
263 | 0x00, /* 0x40 */ | |
264 | }, | |
265 | {0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0F, /* GRA */ | |
266 | 0xFF}, | |
267 | {0x03, 0x01, 0x0F, 0x00, 0x0E}, /* SEQ */ | |
268 | 0xEB /* MISC */ | |
269 | }; | |
270 | ||
271 | /* | |
272 | * Backlight control | |
273 | */ | |
5474c120 MH |
274 | #ifdef CONFIG_FB_RIVA_BACKLIGHT |
275 | /* We do not have any information about which values are allowed, thus | |
276 | * we used safe values. | |
277 | */ | |
278 | #define MIN_LEVEL 0x158 | |
279 | #define MAX_LEVEL 0x534 | |
e01af038 | 280 | #define LEVEL_STEP ((MAX_LEVEL - MIN_LEVEL) / FB_BACKLIGHT_MAX) |
1da177e4 | 281 | |
5474c120 MH |
282 | static struct backlight_properties riva_bl_data; |
283 | ||
e01af038 | 284 | /* Call with fb_info->bl_mutex held */ |
5474c120 MH |
285 | static int riva_bl_get_level_brightness(struct riva_par *par, |
286 | int level) | |
287 | { | |
288 | struct fb_info *info = pci_get_drvdata(par->pdev); | |
289 | int nlevel; | |
290 | ||
291 | /* Get and convert the value */ | |
e01af038 | 292 | nlevel = MIN_LEVEL + info->bl_curve[level] * LEVEL_STEP; |
5474c120 MH |
293 | |
294 | if (nlevel < 0) | |
295 | nlevel = 0; | |
296 | else if (nlevel < MIN_LEVEL) | |
297 | nlevel = MIN_LEVEL; | |
298 | else if (nlevel > MAX_LEVEL) | |
299 | nlevel = MAX_LEVEL; | |
300 | ||
301 | return nlevel; | |
302 | } | |
303 | ||
e01af038 MH |
304 | /* Call with fb_info->bl_mutex held */ |
305 | static int __riva_bl_update_status(struct backlight_device *bd) | |
5474c120 MH |
306 | { |
307 | struct riva_par *par = class_get_devdata(&bd->class_dev); | |
308 | U032 tmp_pcrt, tmp_pmc; | |
309 | int level; | |
310 | ||
311 | if (bd->props->power != FB_BLANK_UNBLANK || | |
312 | bd->props->fb_blank != FB_BLANK_UNBLANK) | |
313 | level = 0; | |
314 | else | |
315 | level = bd->props->brightness; | |
316 | ||
317 | tmp_pmc = par->riva.PMC[0x10F0/4] & 0x0000FFFF; | |
318 | tmp_pcrt = par->riva.PCRTC0[0x081C/4] & 0xFFFFFFFC; | |
319 | if(level > 0) { | |
320 | tmp_pcrt |= 0x1; | |
321 | tmp_pmc |= (1 << 31); /* backlight bit */ | |
322 | tmp_pmc |= riva_bl_get_level_brightness(par, level) << 16; /* level */ | |
323 | } | |
324 | par->riva.PCRTC0[0x081C/4] = tmp_pcrt; | |
325 | par->riva.PMC[0x10F0/4] = tmp_pmc; | |
326 | ||
327 | return 0; | |
328 | } | |
329 | ||
e01af038 MH |
330 | static int riva_bl_update_status(struct backlight_device *bd) |
331 | { | |
332 | struct riva_par *par = class_get_devdata(&bd->class_dev); | |
333 | struct fb_info *info = pci_get_drvdata(par->pdev); | |
334 | int ret; | |
335 | ||
336 | mutex_lock(&info->bl_mutex); | |
337 | ret = __riva_bl_update_status(bd); | |
338 | mutex_unlock(&info->bl_mutex); | |
339 | ||
340 | return ret; | |
341 | } | |
342 | ||
5474c120 MH |
343 | static int riva_bl_get_brightness(struct backlight_device *bd) |
344 | { | |
345 | return bd->props->brightness; | |
346 | } | |
1da177e4 | 347 | |
5474c120 MH |
348 | static struct backlight_properties riva_bl_data = { |
349 | .owner = THIS_MODULE, | |
350 | .get_brightness = riva_bl_get_brightness, | |
351 | .update_status = riva_bl_update_status, | |
352 | .max_brightness = (FB_BACKLIGHT_LEVELS - 1), | |
1da177e4 | 353 | }; |
5474c120 | 354 | |
e01af038 MH |
355 | static void riva_bl_set_power(struct fb_info *info, int power) |
356 | { | |
357 | mutex_lock(&info->bl_mutex); | |
358 | up(&info->bl_dev->sem); | |
359 | info->bl_dev->props->power = power; | |
360 | __riva_bl_update_status(info->bl_dev); | |
361 | down(&info->bl_dev->sem); | |
362 | mutex_unlock(&info->bl_mutex); | |
363 | } | |
364 | ||
5474c120 MH |
365 | static void riva_bl_init(struct riva_par *par) |
366 | { | |
367 | struct fb_info *info = pci_get_drvdata(par->pdev); | |
368 | struct backlight_device *bd; | |
369 | char name[12]; | |
370 | ||
371 | if (!par->FlatPanel) | |
372 | return; | |
373 | ||
374 | #ifdef CONFIG_PMAC_BACKLIGHT | |
375 | if (!machine_is(powermac) || | |
376 | !pmac_has_backlight_type("mnca")) | |
377 | return; | |
378 | #endif | |
379 | ||
380 | snprintf(name, sizeof(name), "rivabl%d", info->node); | |
381 | ||
382 | bd = backlight_device_register(name, par, &riva_bl_data); | |
383 | if (IS_ERR(bd)) { | |
384 | info->bl_dev = NULL; | |
385 | printk("riva: Backlight registration failed\n"); | |
386 | goto error; | |
387 | } | |
388 | ||
389 | mutex_lock(&info->bl_mutex); | |
390 | info->bl_dev = bd; | |
391 | fb_bl_default_curve(info, 0, | |
392 | 0x158 * FB_BACKLIGHT_MAX / MAX_LEVEL, | |
393 | 0x534 * FB_BACKLIGHT_MAX / MAX_LEVEL); | |
394 | mutex_unlock(&info->bl_mutex); | |
395 | ||
396 | up(&bd->sem); | |
397 | bd->props->brightness = riva_bl_data.max_brightness; | |
398 | bd->props->power = FB_BLANK_UNBLANK; | |
399 | bd->props->update_status(bd); | |
400 | down(&bd->sem); | |
401 | ||
402 | #ifdef CONFIG_PMAC_BACKLIGHT | |
403 | mutex_lock(&pmac_backlight_mutex); | |
404 | if (!pmac_backlight) | |
405 | pmac_backlight = bd; | |
406 | mutex_unlock(&pmac_backlight_mutex); | |
407 | #endif | |
408 | ||
409 | printk("riva: Backlight initialized (%s)\n", name); | |
410 | ||
411 | return; | |
412 | ||
413 | error: | |
414 | return; | |
415 | } | |
416 | ||
417 | static void riva_bl_exit(struct riva_par *par) | |
418 | { | |
419 | struct fb_info *info = pci_get_drvdata(par->pdev); | |
420 | ||
421 | #ifdef CONFIG_PMAC_BACKLIGHT | |
422 | mutex_lock(&pmac_backlight_mutex); | |
423 | #endif | |
424 | ||
425 | mutex_lock(&info->bl_mutex); | |
426 | if (info->bl_dev) { | |
427 | #ifdef CONFIG_PMAC_BACKLIGHT | |
428 | if (pmac_backlight == info->bl_dev) | |
429 | pmac_backlight = NULL; | |
430 | #endif | |
431 | ||
432 | backlight_device_unregister(info->bl_dev); | |
433 | ||
434 | printk("riva: Backlight unloaded\n"); | |
435 | } | |
436 | mutex_unlock(&info->bl_mutex); | |
437 | ||
438 | #ifdef CONFIG_PMAC_BACKLIGHT | |
439 | mutex_unlock(&pmac_backlight_mutex); | |
440 | #endif | |
441 | } | |
442 | #else | |
443 | static inline void riva_bl_init(struct riva_par *par) {} | |
444 | static inline void riva_bl_exit(struct riva_par *par) {} | |
e01af038 | 445 | static inline void riva_bl_set_power(struct fb_info *info, int power) {} |
5474c120 | 446 | #endif /* CONFIG_FB_RIVA_BACKLIGHT */ |
1da177e4 LT |
447 | |
448 | /* ------------------------------------------------------------------------- * | |
449 | * | |
450 | * MMIO access macros | |
451 | * | |
452 | * ------------------------------------------------------------------------- */ | |
453 | ||
454 | static inline void CRTCout(struct riva_par *par, unsigned char index, | |
455 | unsigned char val) | |
456 | { | |
457 | VGA_WR08(par->riva.PCIO, 0x3d4, index); | |
458 | VGA_WR08(par->riva.PCIO, 0x3d5, val); | |
459 | } | |
460 | ||
461 | static inline unsigned char CRTCin(struct riva_par *par, | |
462 | unsigned char index) | |
463 | { | |
464 | VGA_WR08(par->riva.PCIO, 0x3d4, index); | |
465 | return (VGA_RD08(par->riva.PCIO, 0x3d5)); | |
466 | } | |
467 | ||
468 | static inline void GRAout(struct riva_par *par, unsigned char index, | |
469 | unsigned char val) | |
470 | { | |
471 | VGA_WR08(par->riva.PVIO, 0x3ce, index); | |
472 | VGA_WR08(par->riva.PVIO, 0x3cf, val); | |
473 | } | |
474 | ||
475 | static inline unsigned char GRAin(struct riva_par *par, | |
476 | unsigned char index) | |
477 | { | |
478 | VGA_WR08(par->riva.PVIO, 0x3ce, index); | |
479 | return (VGA_RD08(par->riva.PVIO, 0x3cf)); | |
480 | } | |
481 | ||
482 | static inline void SEQout(struct riva_par *par, unsigned char index, | |
483 | unsigned char val) | |
484 | { | |
485 | VGA_WR08(par->riva.PVIO, 0x3c4, index); | |
486 | VGA_WR08(par->riva.PVIO, 0x3c5, val); | |
487 | } | |
488 | ||
489 | static inline unsigned char SEQin(struct riva_par *par, | |
490 | unsigned char index) | |
491 | { | |
492 | VGA_WR08(par->riva.PVIO, 0x3c4, index); | |
493 | return (VGA_RD08(par->riva.PVIO, 0x3c5)); | |
494 | } | |
495 | ||
496 | static inline void ATTRout(struct riva_par *par, unsigned char index, | |
497 | unsigned char val) | |
498 | { | |
499 | VGA_WR08(par->riva.PCIO, 0x3c0, index); | |
500 | VGA_WR08(par->riva.PCIO, 0x3c0, val); | |
501 | } | |
502 | ||
503 | static inline unsigned char ATTRin(struct riva_par *par, | |
504 | unsigned char index) | |
505 | { | |
506 | VGA_WR08(par->riva.PCIO, 0x3c0, index); | |
507 | return (VGA_RD08(par->riva.PCIO, 0x3c1)); | |
508 | } | |
509 | ||
510 | static inline void MISCout(struct riva_par *par, unsigned char val) | |
511 | { | |
512 | VGA_WR08(par->riva.PVIO, 0x3c2, val); | |
513 | } | |
514 | ||
515 | static inline unsigned char MISCin(struct riva_par *par) | |
516 | { | |
517 | return (VGA_RD08(par->riva.PVIO, 0x3cc)); | |
518 | } | |
519 | ||
520 | static u8 byte_rev[256] = { | |
521 | 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, | |
522 | 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0, | |
523 | 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8, | |
524 | 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8, | |
525 | 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, | |
526 | 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4, | |
527 | 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec, | |
528 | 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc, | |
529 | 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2, | |
530 | 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2, | |
531 | 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea, | |
532 | 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa, | |
533 | 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6, | |
534 | 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6, | |
535 | 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee, | |
536 | 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe, | |
537 | 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1, | |
538 | 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1, | |
539 | 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, | |
540 | 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9, | |
541 | 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5, | |
542 | 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5, | |
543 | 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed, | |
544 | 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd, | |
545 | 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3, | |
546 | 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3, | |
547 | 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb, | |
548 | 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb, | |
549 | 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7, | |
550 | 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7, | |
551 | 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef, | |
552 | 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff, | |
553 | }; | |
554 | ||
555 | static inline void reverse_order(u32 *l) | |
556 | { | |
557 | u8 *a = (u8 *)l; | |
558 | *a = byte_rev[*a], a++; | |
559 | *a = byte_rev[*a], a++; | |
560 | *a = byte_rev[*a], a++; | |
561 | *a = byte_rev[*a]; | |
562 | } | |
563 | ||
564 | /* ------------------------------------------------------------------------- * | |
565 | * | |
566 | * cursor stuff | |
567 | * | |
568 | * ------------------------------------------------------------------------- */ | |
569 | ||
570 | /** | |
571 | * rivafb_load_cursor_image - load cursor image to hardware | |
572 | * @data: address to monochrome bitmap (1 = foreground color, 0 = background) | |
573 | * @par: pointer to private data | |
574 | * @w: width of cursor image in pixels | |
575 | * @h: height of cursor image in scanlines | |
576 | * @bg: background color (ARGB1555) - alpha bit determines opacity | |
577 | * @fg: foreground color (ARGB1555) | |
578 | * | |
579 | * DESCRIPTiON: | |
580 | * Loads cursor image based on a monochrome source and mask bitmap. The | |
581 | * image bits determines the color of the pixel, 0 for background, 1 for | |
582 | * foreground. Only the affected region (as determined by @w and @h | |
583 | * parameters) will be updated. | |
584 | * | |
585 | * CALLED FROM: | |
586 | * rivafb_cursor() | |
587 | */ | |
588 | static void rivafb_load_cursor_image(struct riva_par *par, u8 *data8, | |
589 | u16 bg, u16 fg, u32 w, u32 h) | |
590 | { | |
591 | int i, j, k = 0; | |
592 | u32 b, tmp; | |
593 | u32 *data = (u32 *)data8; | |
594 | bg = le16_to_cpu(bg); | |
595 | fg = le16_to_cpu(fg); | |
596 | ||
597 | w = (w + 1) & ~1; | |
598 | ||
599 | for (i = 0; i < h; i++) { | |
600 | b = *data++; | |
601 | reverse_order(&b); | |
602 | ||
603 | for (j = 0; j < w/2; j++) { | |
604 | tmp = 0; | |
605 | #if defined (__BIG_ENDIAN) | |
606 | tmp = (b & (1 << 31)) ? fg << 16 : bg << 16; | |
607 | b <<= 1; | |
608 | tmp |= (b & (1 << 31)) ? fg : bg; | |
609 | b <<= 1; | |
610 | #else | |
611 | tmp = (b & 1) ? fg : bg; | |
612 | b >>= 1; | |
613 | tmp |= (b & 1) ? fg << 16 : bg << 16; | |
614 | b >>= 1; | |
615 | #endif | |
616 | writel(tmp, &par->riva.CURSOR[k++]); | |
617 | } | |
618 | k += (MAX_CURS - w)/2; | |
619 | } | |
620 | } | |
621 | ||
622 | /* ------------------------------------------------------------------------- * | |
623 | * | |
624 | * general utility functions | |
625 | * | |
626 | * ------------------------------------------------------------------------- */ | |
627 | ||
628 | /** | |
629 | * riva_wclut - set CLUT entry | |
630 | * @chip: pointer to RIVA_HW_INST object | |
631 | * @regnum: register number | |
632 | * @red: red component | |
633 | * @green: green component | |
634 | * @blue: blue component | |
635 | * | |
636 | * DESCRIPTION: | |
637 | * Sets color register @regnum. | |
638 | * | |
639 | * CALLED FROM: | |
640 | * rivafb_setcolreg() | |
641 | */ | |
642 | static void riva_wclut(RIVA_HW_INST *chip, | |
643 | unsigned char regnum, unsigned char red, | |
644 | unsigned char green, unsigned char blue) | |
645 | { | |
646 | VGA_WR08(chip->PDIO, 0x3c8, regnum); | |
647 | VGA_WR08(chip->PDIO, 0x3c9, red); | |
648 | VGA_WR08(chip->PDIO, 0x3c9, green); | |
649 | VGA_WR08(chip->PDIO, 0x3c9, blue); | |
650 | } | |
651 | ||
652 | /** | |
653 | * riva_rclut - read fromCLUT register | |
654 | * @chip: pointer to RIVA_HW_INST object | |
655 | * @regnum: register number | |
656 | * @red: red component | |
657 | * @green: green component | |
658 | * @blue: blue component | |
659 | * | |
660 | * DESCRIPTION: | |
661 | * Reads red, green, and blue from color register @regnum. | |
662 | * | |
663 | * CALLED FROM: | |
664 | * rivafb_setcolreg() | |
665 | */ | |
666 | static void riva_rclut(RIVA_HW_INST *chip, | |
667 | unsigned char regnum, unsigned char *red, | |
668 | unsigned char *green, unsigned char *blue) | |
669 | { | |
670 | ||
671 | VGA_WR08(chip->PDIO, 0x3c7, regnum); | |
672 | *red = VGA_RD08(chip->PDIO, 0x3c9); | |
673 | *green = VGA_RD08(chip->PDIO, 0x3c9); | |
674 | *blue = VGA_RD08(chip->PDIO, 0x3c9); | |
675 | } | |
676 | ||
677 | /** | |
678 | * riva_save_state - saves current chip state | |
679 | * @par: pointer to riva_par object containing info for current riva board | |
680 | * @regs: pointer to riva_regs object | |
681 | * | |
682 | * DESCRIPTION: | |
683 | * Saves current chip state to @regs. | |
684 | * | |
685 | * CALLED FROM: | |
686 | * rivafb_probe() | |
687 | */ | |
688 | /* from GGI */ | |
689 | static void riva_save_state(struct riva_par *par, struct riva_regs *regs) | |
690 | { | |
691 | int i; | |
692 | ||
693 | NVTRACE_ENTER(); | |
694 | par->riva.LockUnlock(&par->riva, 0); | |
695 | ||
696 | par->riva.UnloadStateExt(&par->riva, ®s->ext); | |
697 | ||
698 | regs->misc_output = MISCin(par); | |
699 | ||
700 | for (i = 0; i < NUM_CRT_REGS; i++) | |
701 | regs->crtc[i] = CRTCin(par, i); | |
702 | ||
703 | for (i = 0; i < NUM_ATC_REGS; i++) | |
704 | regs->attr[i] = ATTRin(par, i); | |
705 | ||
706 | for (i = 0; i < NUM_GRC_REGS; i++) | |
707 | regs->gra[i] = GRAin(par, i); | |
708 | ||
709 | for (i = 0; i < NUM_SEQ_REGS; i++) | |
710 | regs->seq[i] = SEQin(par, i); | |
711 | NVTRACE_LEAVE(); | |
712 | } | |
713 | ||
714 | /** | |
715 | * riva_load_state - loads current chip state | |
716 | * @par: pointer to riva_par object containing info for current riva board | |
717 | * @regs: pointer to riva_regs object | |
718 | * | |
719 | * DESCRIPTION: | |
720 | * Loads chip state from @regs. | |
721 | * | |
722 | * CALLED FROM: | |
723 | * riva_load_video_mode() | |
724 | * rivafb_probe() | |
725 | * rivafb_remove() | |
726 | */ | |
727 | /* from GGI */ | |
728 | static void riva_load_state(struct riva_par *par, struct riva_regs *regs) | |
729 | { | |
730 | RIVA_HW_STATE *state = ®s->ext; | |
731 | int i; | |
732 | ||
733 | NVTRACE_ENTER(); | |
734 | CRTCout(par, 0x11, 0x00); | |
735 | ||
736 | par->riva.LockUnlock(&par->riva, 0); | |
737 | ||
738 | par->riva.LoadStateExt(&par->riva, state); | |
739 | ||
740 | MISCout(par, regs->misc_output); | |
741 | ||
742 | for (i = 0; i < NUM_CRT_REGS; i++) { | |
743 | switch (i) { | |
744 | case 0x19: | |
745 | case 0x20 ... 0x40: | |
746 | break; | |
747 | default: | |
748 | CRTCout(par, i, regs->crtc[i]); | |
749 | } | |
750 | } | |
751 | ||
752 | for (i = 0; i < NUM_ATC_REGS; i++) | |
753 | ATTRout(par, i, regs->attr[i]); | |
754 | ||
755 | for (i = 0; i < NUM_GRC_REGS; i++) | |
756 | GRAout(par, i, regs->gra[i]); | |
757 | ||
758 | for (i = 0; i < NUM_SEQ_REGS; i++) | |
759 | SEQout(par, i, regs->seq[i]); | |
760 | NVTRACE_LEAVE(); | |
761 | } | |
762 | ||
763 | /** | |
764 | * riva_load_video_mode - calculate timings | |
765 | * @info: pointer to fb_info object containing info for current riva board | |
766 | * | |
767 | * DESCRIPTION: | |
768 | * Calculate some timings and then send em off to riva_load_state(). | |
769 | * | |
770 | * CALLED FROM: | |
771 | * rivafb_set_par() | |
772 | */ | |
773 | static void riva_load_video_mode(struct fb_info *info) | |
774 | { | |
775 | int bpp, width, hDisplaySize, hDisplay, hStart, | |
776 | hEnd, hTotal, height, vDisplay, vStart, vEnd, vTotal, dotClock; | |
777 | int hBlankStart, hBlankEnd, vBlankStart, vBlankEnd; | |
f4a41836 | 778 | struct riva_par *par = info->par; |
1da177e4 LT |
779 | struct riva_regs newmode; |
780 | ||
781 | NVTRACE_ENTER(); | |
782 | /* time to calculate */ | |
783 | rivafb_blank(1, info); | |
784 | ||
785 | bpp = info->var.bits_per_pixel; | |
786 | if (bpp == 16 && info->var.green.length == 5) | |
787 | bpp = 15; | |
788 | width = info->var.xres_virtual; | |
789 | hDisplaySize = info->var.xres; | |
790 | hDisplay = (hDisplaySize / 8) - 1; | |
791 | hStart = (hDisplaySize + info->var.right_margin) / 8 - 1; | |
792 | hEnd = (hDisplaySize + info->var.right_margin + | |
793 | info->var.hsync_len) / 8 - 1; | |
794 | hTotal = (hDisplaySize + info->var.right_margin + | |
795 | info->var.hsync_len + info->var.left_margin) / 8 - 5; | |
796 | hBlankStart = hDisplay; | |
797 | hBlankEnd = hTotal + 4; | |
798 | ||
799 | height = info->var.yres_virtual; | |
800 | vDisplay = info->var.yres - 1; | |
801 | vStart = info->var.yres + info->var.lower_margin - 1; | |
802 | vEnd = info->var.yres + info->var.lower_margin + | |
803 | info->var.vsync_len - 1; | |
804 | vTotal = info->var.yres + info->var.lower_margin + | |
805 | info->var.vsync_len + info->var.upper_margin + 2; | |
806 | vBlankStart = vDisplay; | |
807 | vBlankEnd = vTotal + 1; | |
808 | dotClock = 1000000000 / info->var.pixclock; | |
809 | ||
810 | memcpy(&newmode, ®_template, sizeof(struct riva_regs)); | |
811 | ||
812 | if ((info->var.vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) | |
813 | vTotal |= 1; | |
814 | ||
815 | if (par->FlatPanel) { | |
816 | vStart = vTotal - 3; | |
817 | vEnd = vTotal - 2; | |
818 | vBlankStart = vStart; | |
819 | hStart = hTotal - 3; | |
820 | hEnd = hTotal - 2; | |
821 | hBlankEnd = hTotal + 4; | |
822 | } | |
823 | ||
824 | newmode.crtc[0x0] = Set8Bits (hTotal); | |
825 | newmode.crtc[0x1] = Set8Bits (hDisplay); | |
826 | newmode.crtc[0x2] = Set8Bits (hBlankStart); | |
827 | newmode.crtc[0x3] = SetBitField (hBlankEnd, 4: 0, 4:0) | SetBit (7); | |
828 | newmode.crtc[0x4] = Set8Bits (hStart); | |
829 | newmode.crtc[0x5] = SetBitField (hBlankEnd, 5: 5, 7:7) | |
830 | | SetBitField (hEnd, 4: 0, 4:0); | |
831 | newmode.crtc[0x6] = SetBitField (vTotal, 7: 0, 7:0); | |
832 | newmode.crtc[0x7] = SetBitField (vTotal, 8: 8, 0:0) | |
833 | | SetBitField (vDisplay, 8: 8, 1:1) | |
834 | | SetBitField (vStart, 8: 8, 2:2) | |
835 | | SetBitField (vBlankStart, 8: 8, 3:3) | |
836 | | SetBit (4) | |
837 | | SetBitField (vTotal, 9: 9, 5:5) | |
838 | | SetBitField (vDisplay, 9: 9, 6:6) | |
839 | | SetBitField (vStart, 9: 9, 7:7); | |
840 | newmode.crtc[0x9] = SetBitField (vBlankStart, 9: 9, 5:5) | |
841 | | SetBit (6); | |
842 | newmode.crtc[0x10] = Set8Bits (vStart); | |
843 | newmode.crtc[0x11] = SetBitField (vEnd, 3: 0, 3:0) | |
844 | | SetBit (5); | |
845 | newmode.crtc[0x12] = Set8Bits (vDisplay); | |
846 | newmode.crtc[0x13] = (width / 8) * ((bpp + 1) / 8); | |
847 | newmode.crtc[0x15] = Set8Bits (vBlankStart); | |
848 | newmode.crtc[0x16] = Set8Bits (vBlankEnd); | |
849 | ||
850 | newmode.ext.screen = SetBitField(hBlankEnd,6:6,4:4) | |
851 | | SetBitField(vBlankStart,10:10,3:3) | |
852 | | SetBitField(vStart,10:10,2:2) | |
853 | | SetBitField(vDisplay,10:10,1:1) | |
854 | | SetBitField(vTotal,10:10,0:0); | |
855 | newmode.ext.horiz = SetBitField(hTotal,8:8,0:0) | |
856 | | SetBitField(hDisplay,8:8,1:1) | |
857 | | SetBitField(hBlankStart,8:8,2:2) | |
858 | | SetBitField(hStart,8:8,3:3); | |
859 | newmode.ext.extra = SetBitField(vTotal,11:11,0:0) | |
860 | | SetBitField(vDisplay,11:11,2:2) | |
861 | | SetBitField(vStart,11:11,4:4) | |
862 | | SetBitField(vBlankStart,11:11,6:6); | |
863 | ||
864 | if ((info->var.vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) { | |
865 | int tmp = (hTotal >> 1) & ~1; | |
866 | newmode.ext.interlace = Set8Bits(tmp); | |
867 | newmode.ext.horiz |= SetBitField(tmp, 8:8,4:4); | |
868 | } else | |
869 | newmode.ext.interlace = 0xff; /* interlace off */ | |
870 | ||
871 | if (par->riva.Architecture >= NV_ARCH_10) | |
872 | par->riva.CURSOR = (U032 __iomem *)(info->screen_base + par->riva.CursorStart); | |
873 | ||
874 | if (info->var.sync & FB_SYNC_HOR_HIGH_ACT) | |
875 | newmode.misc_output &= ~0x40; | |
876 | else | |
877 | newmode.misc_output |= 0x40; | |
878 | if (info->var.sync & FB_SYNC_VERT_HIGH_ACT) | |
879 | newmode.misc_output &= ~0x80; | |
880 | else | |
881 | newmode.misc_output |= 0x80; | |
882 | ||
883 | par->riva.CalcStateExt(&par->riva, &newmode.ext, bpp, width, | |
884 | hDisplaySize, height, dotClock); | |
885 | ||
886 | newmode.ext.scale = NV_RD32(par->riva.PRAMDAC, 0x00000848) & | |
887 | 0xfff000ff; | |
888 | if (par->FlatPanel == 1) { | |
889 | newmode.ext.pixel |= (1 << 7); | |
890 | newmode.ext.scale |= (1 << 8); | |
891 | } | |
892 | if (par->SecondCRTC) { | |
893 | newmode.ext.head = NV_RD32(par->riva.PCRTC0, 0x00000860) & | |
894 | ~0x00001000; | |
895 | newmode.ext.head2 = NV_RD32(par->riva.PCRTC0, 0x00002860) | | |
896 | 0x00001000; | |
897 | newmode.ext.crtcOwner = 3; | |
898 | newmode.ext.pllsel |= 0x20000800; | |
899 | newmode.ext.vpll2 = newmode.ext.vpll; | |
900 | } else if (par->riva.twoHeads) { | |
901 | newmode.ext.head = NV_RD32(par->riva.PCRTC0, 0x00000860) | | |
902 | 0x00001000; | |
903 | newmode.ext.head2 = NV_RD32(par->riva.PCRTC0, 0x00002860) & | |
904 | ~0x00001000; | |
905 | newmode.ext.crtcOwner = 0; | |
906 | newmode.ext.vpll2 = NV_RD32(par->riva.PRAMDAC0, 0x00000520); | |
907 | } | |
908 | if (par->FlatPanel == 1) { | |
909 | newmode.ext.pixel |= (1 << 7); | |
910 | newmode.ext.scale |= (1 << 8); | |
911 | } | |
912 | newmode.ext.cursorConfig = 0x02000100; | |
913 | par->current_state = newmode; | |
914 | riva_load_state(par, &par->current_state); | |
915 | par->riva.LockUnlock(&par->riva, 0); /* important for HW cursor */ | |
916 | rivafb_blank(0, info); | |
917 | NVTRACE_LEAVE(); | |
918 | } | |
919 | ||
920 | static void riva_update_var(struct fb_var_screeninfo *var, struct fb_videomode *modedb) | |
921 | { | |
922 | NVTRACE_ENTER(); | |
923 | var->xres = var->xres_virtual = modedb->xres; | |
924 | var->yres = modedb->yres; | |
925 | if (var->yres_virtual < var->yres) | |
926 | var->yres_virtual = var->yres; | |
927 | var->xoffset = var->yoffset = 0; | |
928 | var->pixclock = modedb->pixclock; | |
929 | var->left_margin = modedb->left_margin; | |
930 | var->right_margin = modedb->right_margin; | |
931 | var->upper_margin = modedb->upper_margin; | |
932 | var->lower_margin = modedb->lower_margin; | |
933 | var->hsync_len = modedb->hsync_len; | |
934 | var->vsync_len = modedb->vsync_len; | |
935 | var->sync = modedb->sync; | |
936 | var->vmode = modedb->vmode; | |
937 | NVTRACE_LEAVE(); | |
938 | } | |
939 | ||
940 | /** | |
941 | * rivafb_do_maximize - | |
942 | * @info: pointer to fb_info object containing info for current riva board | |
943 | * @var: | |
944 | * @nom: | |
945 | * @den: | |
946 | * | |
947 | * DESCRIPTION: | |
948 | * . | |
949 | * | |
950 | * RETURNS: | |
951 | * -EINVAL on failure, 0 on success | |
952 | * | |
953 | * | |
954 | * CALLED FROM: | |
955 | * rivafb_check_var() | |
956 | */ | |
957 | static int rivafb_do_maximize(struct fb_info *info, | |
958 | struct fb_var_screeninfo *var, | |
959 | int nom, int den) | |
960 | { | |
961 | static struct { | |
962 | int xres, yres; | |
963 | } modes[] = { | |
964 | {1600, 1280}, | |
965 | {1280, 1024}, | |
966 | {1024, 768}, | |
967 | {800, 600}, | |
968 | {640, 480}, | |
969 | {-1, -1} | |
970 | }; | |
971 | int i; | |
972 | ||
973 | NVTRACE_ENTER(); | |
974 | /* use highest possible virtual resolution */ | |
975 | if (var->xres_virtual == -1 && var->yres_virtual == -1) { | |
976 | printk(KERN_WARNING PFX | |
977 | "using maximum available virtual resolution\n"); | |
978 | for (i = 0; modes[i].xres != -1; i++) { | |
979 | if (modes[i].xres * nom / den * modes[i].yres < | |
980 | info->fix.smem_len) | |
981 | break; | |
982 | } | |
983 | if (modes[i].xres == -1) { | |
984 | printk(KERN_ERR PFX | |
985 | "could not find a virtual resolution that fits into video memory!!\n"); | |
986 | NVTRACE("EXIT - EINVAL error\n"); | |
987 | return -EINVAL; | |
988 | } | |
989 | var->xres_virtual = modes[i].xres; | |
990 | var->yres_virtual = modes[i].yres; | |
991 | ||
992 | printk(KERN_INFO PFX | |
993 | "virtual resolution set to maximum of %dx%d\n", | |
994 | var->xres_virtual, var->yres_virtual); | |
995 | } else if (var->xres_virtual == -1) { | |
996 | var->xres_virtual = (info->fix.smem_len * den / | |
997 | (nom * var->yres_virtual)) & ~15; | |
998 | printk(KERN_WARNING PFX | |
999 | "setting virtual X resolution to %d\n", var->xres_virtual); | |
1000 | } else if (var->yres_virtual == -1) { | |
1001 | var->xres_virtual = (var->xres_virtual + 15) & ~15; | |
1002 | var->yres_virtual = info->fix.smem_len * den / | |
1003 | (nom * var->xres_virtual); | |
1004 | printk(KERN_WARNING PFX | |
1005 | "setting virtual Y resolution to %d\n", var->yres_virtual); | |
1006 | } else { | |
1007 | var->xres_virtual = (var->xres_virtual + 15) & ~15; | |
1008 | if (var->xres_virtual * nom / den * var->yres_virtual > info->fix.smem_len) { | |
1009 | printk(KERN_ERR PFX | |
1010 | "mode %dx%dx%d rejected...resolution too high to fit into video memory!\n", | |
1011 | var->xres, var->yres, var->bits_per_pixel); | |
1012 | NVTRACE("EXIT - EINVAL error\n"); | |
1013 | return -EINVAL; | |
1014 | } | |
1015 | } | |
1016 | ||
1017 | if (var->xres_virtual * nom / den >= 8192) { | |
1018 | printk(KERN_WARNING PFX | |
1019 | "virtual X resolution (%d) is too high, lowering to %d\n", | |
1020 | var->xres_virtual, 8192 * den / nom - 16); | |
1021 | var->xres_virtual = 8192 * den / nom - 16; | |
1022 | } | |
1023 | ||
1024 | if (var->xres_virtual < var->xres) { | |
1025 | printk(KERN_ERR PFX | |
1026 | "virtual X resolution (%d) is smaller than real\n", var->xres_virtual); | |
1027 | return -EINVAL; | |
1028 | } | |
1029 | ||
1030 | if (var->yres_virtual < var->yres) { | |
1031 | printk(KERN_ERR PFX | |
1032 | "virtual Y resolution (%d) is smaller than real\n", var->yres_virtual); | |
1033 | return -EINVAL; | |
1034 | } | |
1035 | if (var->yres_virtual > 0x7fff/nom) | |
1036 | var->yres_virtual = 0x7fff/nom; | |
1037 | if (var->xres_virtual > 0x7fff/nom) | |
1038 | var->xres_virtual = 0x7fff/nom; | |
1039 | NVTRACE_LEAVE(); | |
1040 | return 0; | |
1041 | } | |
1042 | ||
1043 | static void | |
1044 | riva_set_pattern(struct riva_par *par, int clr0, int clr1, int pat0, int pat1) | |
1045 | { | |
1046 | RIVA_FIFO_FREE(par->riva, Patt, 4); | |
1047 | NV_WR32(&par->riva.Patt->Color0, 0, clr0); | |
1048 | NV_WR32(&par->riva.Patt->Color1, 0, clr1); | |
1049 | NV_WR32(par->riva.Patt->Monochrome, 0, pat0); | |
1050 | NV_WR32(par->riva.Patt->Monochrome, 4, pat1); | |
1051 | } | |
1052 | ||
1053 | /* acceleration routines */ | |
1054 | static inline void wait_for_idle(struct riva_par *par) | |
1055 | { | |
1056 | while (par->riva.Busy(&par->riva)); | |
1057 | } | |
1058 | ||
1059 | /* | |
1060 | * Set ROP. Translate X rop into ROP3. Internal routine. | |
1061 | */ | |
1062 | static void | |
1063 | riva_set_rop_solid(struct riva_par *par, int rop) | |
1064 | { | |
1065 | riva_set_pattern(par, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF); | |
1066 | RIVA_FIFO_FREE(par->riva, Rop, 1); | |
1067 | NV_WR32(&par->riva.Rop->Rop3, 0, rop); | |
1068 | ||
1069 | } | |
1070 | ||
1071 | static void riva_setup_accel(struct fb_info *info) | |
1072 | { | |
f4a41836 | 1073 | struct riva_par *par = info->par; |
1da177e4 LT |
1074 | |
1075 | RIVA_FIFO_FREE(par->riva, Clip, 2); | |
1076 | NV_WR32(&par->riva.Clip->TopLeft, 0, 0x0); | |
1077 | NV_WR32(&par->riva.Clip->WidthHeight, 0, | |
1078 | (info->var.xres_virtual & 0xffff) | | |
1079 | (info->var.yres_virtual << 16)); | |
1080 | riva_set_rop_solid(par, 0xcc); | |
1081 | wait_for_idle(par); | |
1082 | } | |
1083 | ||
1084 | /** | |
1085 | * riva_get_cmap_len - query current color map length | |
1086 | * @var: standard kernel fb changeable data | |
1087 | * | |
1088 | * DESCRIPTION: | |
1089 | * Get current color map length. | |
1090 | * | |
1091 | * RETURNS: | |
1092 | * Length of color map | |
1093 | * | |
1094 | * CALLED FROM: | |
1095 | * rivafb_setcolreg() | |
1096 | */ | |
1097 | static int riva_get_cmap_len(const struct fb_var_screeninfo *var) | |
1098 | { | |
1099 | int rc = 256; /* reasonable default */ | |
1100 | ||
1101 | switch (var->green.length) { | |
1102 | case 8: | |
1103 | rc = 256; /* 256 entries (2^8), 8 bpp and RGB8888 */ | |
1104 | break; | |
1105 | case 5: | |
1106 | rc = 32; /* 32 entries (2^5), 16 bpp, RGB555 */ | |
1107 | break; | |
1108 | case 6: | |
1109 | rc = 64; /* 64 entries (2^6), 16 bpp, RGB565 */ | |
1110 | break; | |
1111 | default: | |
1112 | /* should not occur */ | |
1113 | break; | |
1114 | } | |
1115 | return rc; | |
1116 | } | |
1117 | ||
1da177e4 LT |
1118 | /* ------------------------------------------------------------------------- * |
1119 | * | |
1120 | * framebuffer operations | |
1121 | * | |
1122 | * ------------------------------------------------------------------------- */ | |
1123 | ||
1124 | static int rivafb_open(struct fb_info *info, int user) | |
1125 | { | |
f4a41836 | 1126 | struct riva_par *par = info->par; |
1da177e4 LT |
1127 | int cnt = atomic_read(&par->ref_count); |
1128 | ||
1129 | NVTRACE_ENTER(); | |
1130 | if (!cnt) { | |
1131 | #ifdef CONFIG_X86 | |
1132 | memset(&par->state, 0, sizeof(struct vgastate)); | |
1133 | par->state.flags = VGA_SAVE_MODE | VGA_SAVE_FONTS; | |
1134 | /* save the DAC for Riva128 */ | |
1135 | if (par->riva.Architecture == NV_ARCH_03) | |
1136 | par->state.flags |= VGA_SAVE_CMAP; | |
1137 | save_vga(&par->state); | |
1138 | #endif | |
1139 | /* vgaHWunlock() + riva unlock (0x7F) */ | |
1140 | CRTCout(par, 0x11, 0xFF); | |
1141 | par->riva.LockUnlock(&par->riva, 0); | |
1142 | ||
1143 | riva_save_state(par, &par->initial_state); | |
1144 | } | |
1145 | atomic_inc(&par->ref_count); | |
1146 | NVTRACE_LEAVE(); | |
1147 | return 0; | |
1148 | } | |
1149 | ||
1150 | static int rivafb_release(struct fb_info *info, int user) | |
1151 | { | |
f4a41836 | 1152 | struct riva_par *par = info->par; |
1da177e4 LT |
1153 | int cnt = atomic_read(&par->ref_count); |
1154 | ||
1155 | NVTRACE_ENTER(); | |
1156 | if (!cnt) | |
1157 | return -EINVAL; | |
1158 | if (cnt == 1) { | |
1159 | par->riva.LockUnlock(&par->riva, 0); | |
1160 | par->riva.LoadStateExt(&par->riva, &par->initial_state.ext); | |
1161 | riva_load_state(par, &par->initial_state); | |
1162 | #ifdef CONFIG_X86 | |
1163 | restore_vga(&par->state); | |
1164 | #endif | |
1165 | par->riva.LockUnlock(&par->riva, 1); | |
1166 | } | |
1167 | atomic_dec(&par->ref_count); | |
1168 | NVTRACE_LEAVE(); | |
1169 | return 0; | |
1170 | } | |
1171 | ||
1172 | static int rivafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) | |
1173 | { | |
1174 | struct fb_videomode *mode; | |
f4a41836 | 1175 | struct riva_par *par = info->par; |
1da177e4 LT |
1176 | int nom, den; /* translating from pixels->bytes */ |
1177 | int mode_valid = 0; | |
1178 | ||
1179 | NVTRACE_ENTER(); | |
1180 | switch (var->bits_per_pixel) { | |
1181 | case 1 ... 8: | |
1182 | var->red.offset = var->green.offset = var->blue.offset = 0; | |
1183 | var->red.length = var->green.length = var->blue.length = 8; | |
1184 | var->bits_per_pixel = 8; | |
1185 | nom = den = 1; | |
1186 | break; | |
1187 | case 9 ... 15: | |
1188 | var->green.length = 5; | |
1189 | /* fall through */ | |
1190 | case 16: | |
1191 | var->bits_per_pixel = 16; | |
1192 | /* The Riva128 supports RGB555 only */ | |
1193 | if (par->riva.Architecture == NV_ARCH_03) | |
1194 | var->green.length = 5; | |
1195 | if (var->green.length == 5) { | |
1196 | /* 0rrrrrgg gggbbbbb */ | |
1197 | var->red.offset = 10; | |
1198 | var->green.offset = 5; | |
1199 | var->blue.offset = 0; | |
1200 | var->red.length = 5; | |
1201 | var->green.length = 5; | |
1202 | var->blue.length = 5; | |
1203 | } else { | |
1204 | /* rrrrrggg gggbbbbb */ | |
1205 | var->red.offset = 11; | |
1206 | var->green.offset = 5; | |
1207 | var->blue.offset = 0; | |
1208 | var->red.length = 5; | |
1209 | var->green.length = 6; | |
1210 | var->blue.length = 5; | |
1211 | } | |
1212 | nom = 2; | |
1213 | den = 1; | |
1214 | break; | |
1215 | case 17 ... 32: | |
1216 | var->red.length = var->green.length = var->blue.length = 8; | |
1217 | var->bits_per_pixel = 32; | |
1218 | var->red.offset = 16; | |
1219 | var->green.offset = 8; | |
1220 | var->blue.offset = 0; | |
1221 | nom = 4; | |
1222 | den = 1; | |
1223 | break; | |
1224 | default: | |
1225 | printk(KERN_ERR PFX | |
1226 | "mode %dx%dx%d rejected...color depth not supported.\n", | |
1227 | var->xres, var->yres, var->bits_per_pixel); | |
1228 | NVTRACE("EXIT, returning -EINVAL\n"); | |
1229 | return -EINVAL; | |
1230 | } | |
1231 | ||
1232 | if (!strictmode) { | |
1233 | if (!info->monspecs.vfmax || !info->monspecs.hfmax || | |
1234 | !info->monspecs.dclkmax || !fb_validate_mode(var, info)) | |
1235 | mode_valid = 1; | |
1236 | } | |
1237 | ||
1238 | /* calculate modeline if supported by monitor */ | |
1239 | if (!mode_valid && info->monspecs.gtf) { | |
1240 | if (!fb_get_mode(FB_MAXTIMINGS, 0, var, info)) | |
1241 | mode_valid = 1; | |
1242 | } | |
1243 | ||
1244 | if (!mode_valid) { | |
1245 | mode = fb_find_best_mode(var, &info->modelist); | |
1246 | if (mode) { | |
1247 | riva_update_var(var, mode); | |
1248 | mode_valid = 1; | |
1249 | } | |
1250 | } | |
1251 | ||
1252 | if (!mode_valid && info->monspecs.modedb_len) | |
1253 | return -EINVAL; | |
1254 | ||
1255 | if (var->xres_virtual < var->xres) | |
1256 | var->xres_virtual = var->xres; | |
1257 | if (var->yres_virtual <= var->yres) | |
1258 | var->yres_virtual = -1; | |
1259 | if (rivafb_do_maximize(info, var, nom, den) < 0) | |
1260 | return -EINVAL; | |
1261 | ||
1262 | if (var->xoffset < 0) | |
1263 | var->xoffset = 0; | |
1264 | if (var->yoffset < 0) | |
1265 | var->yoffset = 0; | |
1266 | ||
1267 | /* truncate xoffset and yoffset to maximum if too high */ | |
1268 | if (var->xoffset > var->xres_virtual - var->xres) | |
1269 | var->xoffset = var->xres_virtual - var->xres - 1; | |
1270 | ||
1271 | if (var->yoffset > var->yres_virtual - var->yres) | |
1272 | var->yoffset = var->yres_virtual - var->yres - 1; | |
1273 | ||
1274 | var->red.msb_right = | |
1275 | var->green.msb_right = | |
1276 | var->blue.msb_right = | |
1277 | var->transp.offset = var->transp.length = var->transp.msb_right = 0; | |
1278 | NVTRACE_LEAVE(); | |
1279 | return 0; | |
1280 | } | |
1281 | ||
1282 | static int rivafb_set_par(struct fb_info *info) | |
1283 | { | |
f4a41836 | 1284 | struct riva_par *par = info->par; |
1da177e4 LT |
1285 | |
1286 | NVTRACE_ENTER(); | |
1287 | /* vgaHWunlock() + riva unlock (0x7F) */ | |
1288 | CRTCout(par, 0x11, 0xFF); | |
1289 | par->riva.LockUnlock(&par->riva, 0); | |
1290 | riva_load_video_mode(info); | |
1291 | if(!(info->flags & FBINFO_HWACCEL_DISABLED)) | |
1292 | riva_setup_accel(info); | |
1293 | ||
1294 | par->cursor_reset = 1; | |
1295 | info->fix.line_length = (info->var.xres_virtual * (info->var.bits_per_pixel >> 3)); | |
1296 | info->fix.visual = (info->var.bits_per_pixel == 8) ? | |
1297 | FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_DIRECTCOLOR; | |
1298 | ||
1299 | if (info->flags & FBINFO_HWACCEL_DISABLED) | |
1300 | info->pixmap.scan_align = 1; | |
1301 | else | |
1302 | info->pixmap.scan_align = 4; | |
1303 | NVTRACE_LEAVE(); | |
1304 | return 0; | |
1305 | } | |
1306 | ||
1307 | /** | |
1308 | * rivafb_pan_display | |
1309 | * @var: standard kernel fb changeable data | |
1310 | * @con: TODO | |
1311 | * @info: pointer to fb_info object containing info for current riva board | |
1312 | * | |
1313 | * DESCRIPTION: | |
1314 | * Pan (or wrap, depending on the `vmode' field) the display using the | |
1315 | * `xoffset' and `yoffset' fields of the `var' structure. | |
1316 | * If the values don't fit, return -EINVAL. | |
1317 | * | |
1318 | * This call looks only at xoffset, yoffset and the FB_VMODE_YWRAP flag | |
1319 | */ | |
1320 | static int rivafb_pan_display(struct fb_var_screeninfo *var, | |
1321 | struct fb_info *info) | |
1322 | { | |
f4a41836 | 1323 | struct riva_par *par = info->par; |
1da177e4 LT |
1324 | unsigned int base; |
1325 | ||
1326 | NVTRACE_ENTER(); | |
1da177e4 | 1327 | base = var->yoffset * info->fix.line_length + var->xoffset; |
1da177e4 | 1328 | par->riva.SetStartAddress(&par->riva, base); |
1da177e4 LT |
1329 | NVTRACE_LEAVE(); |
1330 | return 0; | |
1331 | } | |
1332 | ||
1333 | static int rivafb_blank(int blank, struct fb_info *info) | |
1334 | { | |
f4a41836 | 1335 | struct riva_par *par= info->par; |
1da177e4 LT |
1336 | unsigned char tmp, vesa; |
1337 | ||
1338 | tmp = SEQin(par, 0x01) & ~0x20; /* screen on/off */ | |
1339 | vesa = CRTCin(par, 0x1a) & ~0xc0; /* sync on/off */ | |
1340 | ||
1341 | NVTRACE_ENTER(); | |
1342 | ||
1343 | if (blank) | |
1344 | tmp |= 0x20; | |
1345 | ||
1346 | switch (blank) { | |
1347 | case FB_BLANK_UNBLANK: | |
1348 | case FB_BLANK_NORMAL: | |
1349 | break; | |
1350 | case FB_BLANK_VSYNC_SUSPEND: | |
1351 | vesa |= 0x80; | |
1352 | break; | |
1353 | case FB_BLANK_HSYNC_SUSPEND: | |
1354 | vesa |= 0x40; | |
1355 | break; | |
1356 | case FB_BLANK_POWERDOWN: | |
1357 | vesa |= 0xc0; | |
1358 | break; | |
1359 | } | |
1360 | ||
1361 | SEQout(par, 0x01, tmp); | |
1362 | CRTCout(par, 0x1a, vesa); | |
1363 | ||
e01af038 | 1364 | riva_bl_set_power(info, blank); |
1da177e4 LT |
1365 | |
1366 | NVTRACE_LEAVE(); | |
1367 | ||
1368 | return 0; | |
1369 | } | |
1370 | ||
1371 | /** | |
1372 | * rivafb_setcolreg | |
1373 | * @regno: register index | |
1374 | * @red: red component | |
1375 | * @green: green component | |
1376 | * @blue: blue component | |
1377 | * @transp: transparency | |
1378 | * @info: pointer to fb_info object containing info for current riva board | |
1379 | * | |
1380 | * DESCRIPTION: | |
1381 | * Set a single color register. The values supplied have a 16 bit | |
1382 | * magnitude. | |
1383 | * | |
1384 | * RETURNS: | |
1385 | * Return != 0 for invalid regno. | |
1386 | * | |
1387 | * CALLED FROM: | |
1388 | * fbcmap.c:fb_set_cmap() | |
1389 | */ | |
1390 | static int rivafb_setcolreg(unsigned regno, unsigned red, unsigned green, | |
1391 | unsigned blue, unsigned transp, | |
1392 | struct fb_info *info) | |
1393 | { | |
f4a41836 | 1394 | struct riva_par *par = info->par; |
1da177e4 LT |
1395 | RIVA_HW_INST *chip = &par->riva; |
1396 | int i; | |
1397 | ||
1398 | if (regno >= riva_get_cmap_len(&info->var)) | |
1399 | return -EINVAL; | |
1400 | ||
1401 | if (info->var.grayscale) { | |
1402 | /* gray = 0.30*R + 0.59*G + 0.11*B */ | |
1403 | red = green = blue = | |
1404 | (red * 77 + green * 151 + blue * 28) >> 8; | |
1405 | } | |
1406 | ||
1407 | if (regno < 16 && info->fix.visual == FB_VISUAL_DIRECTCOLOR) { | |
1408 | ((u32 *) info->pseudo_palette)[regno] = | |
1409 | (regno << info->var.red.offset) | | |
1410 | (regno << info->var.green.offset) | | |
1411 | (regno << info->var.blue.offset); | |
1412 | /* | |
1413 | * The Riva128 2D engine requires color information in | |
1414 | * TrueColor format even if framebuffer is in DirectColor | |
1415 | */ | |
1416 | if (par->riva.Architecture == NV_ARCH_03) { | |
1417 | switch (info->var.bits_per_pixel) { | |
1418 | case 16: | |
1419 | par->palette[regno] = ((red & 0xf800) >> 1) | | |
1420 | ((green & 0xf800) >> 6) | | |
1421 | ((blue & 0xf800) >> 11); | |
1422 | break; | |
1423 | case 32: | |
1424 | par->palette[regno] = ((red & 0xff00) << 8) | | |
1425 | ((green & 0xff00)) | | |
1426 | ((blue & 0xff00) >> 8); | |
1427 | break; | |
1428 | } | |
1429 | } | |
1430 | } | |
1431 | ||
1432 | switch (info->var.bits_per_pixel) { | |
1433 | case 8: | |
1434 | /* "transparent" stuff is completely ignored. */ | |
1435 | riva_wclut(chip, regno, red >> 8, green >> 8, blue >> 8); | |
1436 | break; | |
1437 | case 16: | |
1438 | if (info->var.green.length == 5) { | |
1439 | for (i = 0; i < 8; i++) { | |
1440 | riva_wclut(chip, regno*8+i, red >> 8, | |
1441 | green >> 8, blue >> 8); | |
1442 | } | |
1443 | } else { | |
1444 | u8 r, g, b; | |
1445 | ||
1446 | if (regno < 32) { | |
1447 | for (i = 0; i < 8; i++) { | |
1448 | riva_wclut(chip, regno*8+i, | |
1449 | red >> 8, green >> 8, | |
1450 | blue >> 8); | |
1451 | } | |
1452 | } | |
1453 | riva_rclut(chip, regno*4, &r, &g, &b); | |
1454 | for (i = 0; i < 4; i++) | |
1455 | riva_wclut(chip, regno*4+i, r, | |
1456 | green >> 8, b); | |
1457 | } | |
1458 | break; | |
1459 | case 32: | |
1460 | riva_wclut(chip, regno, red >> 8, green >> 8, blue >> 8); | |
1461 | break; | |
1462 | default: | |
1463 | /* do nothing */ | |
1464 | break; | |
1465 | } | |
1466 | return 0; | |
1467 | } | |
1468 | ||
1469 | /** | |
1470 | * rivafb_fillrect - hardware accelerated color fill function | |
1471 | * @info: pointer to fb_info structure | |
1472 | * @rect: pointer to fb_fillrect structure | |
1473 | * | |
1474 | * DESCRIPTION: | |
1475 | * This function fills up a region of framebuffer memory with a solid | |
1476 | * color with a choice of two different ROP's, copy or invert. | |
1477 | * | |
1478 | * CALLED FROM: | |
1479 | * framebuffer hook | |
1480 | */ | |
1481 | static void rivafb_fillrect(struct fb_info *info, const struct fb_fillrect *rect) | |
1482 | { | |
f4a41836 | 1483 | struct riva_par *par = info->par; |
1da177e4 LT |
1484 | u_int color, rop = 0; |
1485 | ||
1486 | if ((info->flags & FBINFO_HWACCEL_DISABLED)) { | |
1487 | cfb_fillrect(info, rect); | |
1488 | return; | |
1489 | } | |
1490 | ||
1491 | if (info->var.bits_per_pixel == 8) | |
1492 | color = rect->color; | |
1493 | else { | |
1494 | if (par->riva.Architecture != NV_ARCH_03) | |
1495 | color = ((u32 *)info->pseudo_palette)[rect->color]; | |
1496 | else | |
1497 | color = par->palette[rect->color]; | |
1498 | } | |
1499 | ||
1500 | switch (rect->rop) { | |
1501 | case ROP_XOR: | |
1502 | rop = 0x66; | |
1503 | break; | |
1504 | case ROP_COPY: | |
1505 | default: | |
1506 | rop = 0xCC; | |
1507 | break; | |
1508 | } | |
1509 | ||
1510 | riva_set_rop_solid(par, rop); | |
1511 | ||
1512 | RIVA_FIFO_FREE(par->riva, Bitmap, 1); | |
1513 | NV_WR32(&par->riva.Bitmap->Color1A, 0, color); | |
1514 | ||
1515 | RIVA_FIFO_FREE(par->riva, Bitmap, 2); | |
1516 | NV_WR32(&par->riva.Bitmap->UnclippedRectangle[0].TopLeft, 0, | |
1517 | (rect->dx << 16) | rect->dy); | |
1518 | mb(); | |
1519 | NV_WR32(&par->riva.Bitmap->UnclippedRectangle[0].WidthHeight, 0, | |
1520 | (rect->width << 16) | rect->height); | |
1521 | mb(); | |
1522 | riva_set_rop_solid(par, 0xcc); | |
1523 | ||
1524 | } | |
1525 | ||
1526 | /** | |
1527 | * rivafb_copyarea - hardware accelerated blit function | |
1528 | * @info: pointer to fb_info structure | |
1529 | * @region: pointer to fb_copyarea structure | |
1530 | * | |
1531 | * DESCRIPTION: | |
1532 | * This copies an area of pixels from one location to another | |
1533 | * | |
1534 | * CALLED FROM: | |
1535 | * framebuffer hook | |
1536 | */ | |
1537 | static void rivafb_copyarea(struct fb_info *info, const struct fb_copyarea *region) | |
1538 | { | |
f4a41836 | 1539 | struct riva_par *par = info->par; |
1da177e4 LT |
1540 | |
1541 | if ((info->flags & FBINFO_HWACCEL_DISABLED)) { | |
1542 | cfb_copyarea(info, region); | |
1543 | return; | |
1544 | } | |
1545 | ||
1546 | RIVA_FIFO_FREE(par->riva, Blt, 3); | |
1547 | NV_WR32(&par->riva.Blt->TopLeftSrc, 0, | |
1548 | (region->sy << 16) | region->sx); | |
1549 | NV_WR32(&par->riva.Blt->TopLeftDst, 0, | |
1550 | (region->dy << 16) | region->dx); | |
1551 | mb(); | |
1552 | NV_WR32(&par->riva.Blt->WidthHeight, 0, | |
1553 | (region->height << 16) | region->width); | |
1554 | mb(); | |
1555 | } | |
1556 | ||
1557 | static inline void convert_bgcolor_16(u32 *col) | |
1558 | { | |
1559 | *col = ((*col & 0x0000F800) << 8) | |
1560 | | ((*col & 0x00007E0) << 5) | |
1561 | | ((*col & 0x0000001F) << 3) | |
1562 | | 0xFF000000; | |
1563 | mb(); | |
1564 | } | |
1565 | ||
1566 | /** | |
1567 | * rivafb_imageblit: hardware accelerated color expand function | |
1568 | * @info: pointer to fb_info structure | |
1569 | * @image: pointer to fb_image structure | |
1570 | * | |
1571 | * DESCRIPTION: | |
1572 | * If the source is a monochrome bitmap, the function fills up a a region | |
1573 | * of framebuffer memory with pixels whose color is determined by the bit | |
1574 | * setting of the bitmap, 1 - foreground, 0 - background. | |
1575 | * | |
1576 | * If the source is not a monochrome bitmap, color expansion is not done. | |
1577 | * In this case, it is channeled to a software function. | |
1578 | * | |
1579 | * CALLED FROM: | |
1580 | * framebuffer hook | |
1581 | */ | |
1582 | static void rivafb_imageblit(struct fb_info *info, | |
1583 | const struct fb_image *image) | |
1584 | { | |
f4a41836 | 1585 | struct riva_par *par = info->par; |
1da177e4 LT |
1586 | u32 fgx = 0, bgx = 0, width, tmp; |
1587 | u8 *cdat = (u8 *) image->data; | |
1588 | volatile u32 __iomem *d; | |
1589 | int i, size; | |
1590 | ||
1591 | if ((info->flags & FBINFO_HWACCEL_DISABLED) || image->depth != 1) { | |
1592 | cfb_imageblit(info, image); | |
1593 | return; | |
1594 | } | |
1595 | ||
1596 | switch (info->var.bits_per_pixel) { | |
1597 | case 8: | |
1598 | fgx = image->fg_color; | |
1599 | bgx = image->bg_color; | |
1600 | break; | |
1601 | case 16: | |
1602 | case 32: | |
1603 | if (par->riva.Architecture != NV_ARCH_03) { | |
1604 | fgx = ((u32 *)info->pseudo_palette)[image->fg_color]; | |
1605 | bgx = ((u32 *)info->pseudo_palette)[image->bg_color]; | |
1606 | } else { | |
1607 | fgx = par->palette[image->fg_color]; | |
1608 | bgx = par->palette[image->bg_color]; | |
1609 | } | |
1610 | if (info->var.green.length == 6) | |
1611 | convert_bgcolor_16(&bgx); | |
1612 | break; | |
1613 | } | |
1614 | ||
1615 | RIVA_FIFO_FREE(par->riva, Bitmap, 7); | |
1616 | NV_WR32(&par->riva.Bitmap->ClipE.TopLeft, 0, | |
1617 | (image->dy << 16) | (image->dx & 0xFFFF)); | |
1618 | NV_WR32(&par->riva.Bitmap->ClipE.BottomRight, 0, | |
1619 | (((image->dy + image->height) << 16) | | |
1620 | ((image->dx + image->width) & 0xffff))); | |
1621 | NV_WR32(&par->riva.Bitmap->Color0E, 0, bgx); | |
1622 | NV_WR32(&par->riva.Bitmap->Color1E, 0, fgx); | |
1623 | NV_WR32(&par->riva.Bitmap->WidthHeightInE, 0, | |
1624 | (image->height << 16) | ((image->width + 31) & ~31)); | |
1625 | NV_WR32(&par->riva.Bitmap->WidthHeightOutE, 0, | |
1626 | (image->height << 16) | ((image->width + 31) & ~31)); | |
1627 | NV_WR32(&par->riva.Bitmap->PointE, 0, | |
1628 | (image->dy << 16) | (image->dx & 0xFFFF)); | |
1629 | ||
1630 | d = &par->riva.Bitmap->MonochromeData01E; | |
1631 | ||
1632 | width = (image->width + 31)/32; | |
1633 | size = width * image->height; | |
1634 | while (size >= 16) { | |
1635 | RIVA_FIFO_FREE(par->riva, Bitmap, 16); | |
1636 | for (i = 0; i < 16; i++) { | |
1637 | tmp = *((u32 *)cdat); | |
1638 | cdat = (u8 *)((u32 *)cdat + 1); | |
1639 | reverse_order(&tmp); | |
1640 | NV_WR32(d, i*4, tmp); | |
1641 | } | |
1642 | size -= 16; | |
1643 | } | |
1644 | if (size) { | |
1645 | RIVA_FIFO_FREE(par->riva, Bitmap, size); | |
1646 | for (i = 0; i < size; i++) { | |
1647 | tmp = *((u32 *) cdat); | |
1648 | cdat = (u8 *)((u32 *)cdat + 1); | |
1649 | reverse_order(&tmp); | |
1650 | NV_WR32(d, i*4, tmp); | |
1651 | } | |
1652 | } | |
1653 | } | |
1654 | ||
1655 | /** | |
1656 | * rivafb_cursor - hardware cursor function | |
1657 | * @info: pointer to info structure | |
1658 | * @cursor: pointer to fbcursor structure | |
1659 | * | |
1660 | * DESCRIPTION: | |
1661 | * A cursor function that supports displaying a cursor image via hardware. | |
1662 | * Within the kernel, copy and invert rops are supported. If exported | |
1663 | * to user space, only the copy rop will be supported. | |
1664 | * | |
1665 | * CALLED FROM | |
1666 | * framebuffer hook | |
1667 | */ | |
1668 | static int rivafb_cursor(struct fb_info *info, struct fb_cursor *cursor) | |
1669 | { | |
f4a41836 | 1670 | struct riva_par *par = info->par; |
1da177e4 | 1671 | u8 data[MAX_CURS * MAX_CURS/8]; |
1da177e4 | 1672 | int i, set = cursor->set; |
f1ab5dac | 1673 | u16 fg, bg; |
1da177e4 | 1674 | |
f1ab5dac JS |
1675 | if (cursor->image.width > MAX_CURS || cursor->image.height > MAX_CURS) |
1676 | return -ENXIO; | |
1da177e4 LT |
1677 | |
1678 | par->riva.ShowHideCursor(&par->riva, 0); | |
1679 | ||
1680 | if (par->cursor_reset) { | |
1681 | set = FB_CUR_SETALL; | |
1682 | par->cursor_reset = 0; | |
1683 | } | |
1684 | ||
1685 | if (set & FB_CUR_SETSIZE) | |
1686 | memset_io(par->riva.CURSOR, 0, MAX_CURS * MAX_CURS * 2); | |
1687 | ||
1688 | if (set & FB_CUR_SETPOS) { | |
1689 | u32 xx, yy, temp; | |
1690 | ||
1691 | yy = cursor->image.dy - info->var.yoffset; | |
1692 | xx = cursor->image.dx - info->var.xoffset; | |
1693 | temp = xx & 0xFFFF; | |
1694 | temp |= yy << 16; | |
1695 | ||
1696 | NV_WR32(par->riva.PRAMDAC, 0x0000300, temp); | |
1697 | } | |
1698 | ||
1699 | ||
1700 | if (set & (FB_CUR_SETSHAPE | FB_CUR_SETCMAP | FB_CUR_SETIMAGE)) { | |
1701 | u32 bg_idx = cursor->image.bg_color; | |
1702 | u32 fg_idx = cursor->image.fg_color; | |
1703 | u32 s_pitch = (cursor->image.width+7) >> 3; | |
1704 | u32 d_pitch = MAX_CURS/8; | |
1705 | u8 *dat = (u8 *) cursor->image.data; | |
1706 | u8 *msk = (u8 *) cursor->mask; | |
1707 | u8 *src; | |
1708 | ||
1709 | src = kmalloc(s_pitch * cursor->image.height, GFP_ATOMIC); | |
1710 | ||
1711 | if (src) { | |
1712 | switch (cursor->rop) { | |
1713 | case ROP_XOR: | |
f1ab5dac | 1714 | for (i = 0; i < s_pitch * cursor->image.height; i++) |
1da177e4 LT |
1715 | src[i] = dat[i] ^ msk[i]; |
1716 | break; | |
1717 | case ROP_COPY: | |
1718 | default: | |
f1ab5dac | 1719 | for (i = 0; i < s_pitch * cursor->image.height; i++) |
1da177e4 LT |
1720 | src[i] = dat[i] & msk[i]; |
1721 | break; | |
1722 | } | |
1723 | ||
f1ab5dac JS |
1724 | fb_pad_aligned_buffer(data, d_pitch, src, s_pitch, |
1725 | cursor->image.height); | |
1da177e4 LT |
1726 | |
1727 | bg = ((info->cmap.red[bg_idx] & 0xf8) << 7) | | |
1728 | ((info->cmap.green[bg_idx] & 0xf8) << 2) | | |
1729 | ((info->cmap.blue[bg_idx] & 0xf8) >> 3) | | |
1730 | 1 << 15; | |
1731 | ||
1732 | fg = ((info->cmap.red[fg_idx] & 0xf8) << 7) | | |
1733 | ((info->cmap.green[fg_idx] & 0xf8) << 2) | | |
1734 | ((info->cmap.blue[fg_idx] & 0xf8) >> 3) | | |
1735 | 1 << 15; | |
1736 | ||
1737 | par->riva.LockUnlock(&par->riva, 0); | |
1738 | ||
1739 | rivafb_load_cursor_image(par, data, bg, fg, | |
1740 | cursor->image.width, | |
1741 | cursor->image.height); | |
1742 | kfree(src); | |
1743 | } | |
1744 | } | |
1745 | ||
1746 | if (cursor->enable) | |
1747 | par->riva.ShowHideCursor(&par->riva, 1); | |
1748 | ||
1749 | return 0; | |
1750 | } | |
1751 | ||
1752 | static int rivafb_sync(struct fb_info *info) | |
1753 | { | |
f4a41836 | 1754 | struct riva_par *par = info->par; |
1da177e4 LT |
1755 | |
1756 | wait_for_idle(par); | |
1757 | return 0; | |
1758 | } | |
1759 | ||
1760 | /* ------------------------------------------------------------------------- * | |
1761 | * | |
1762 | * initialization helper functions | |
1763 | * | |
1764 | * ------------------------------------------------------------------------- */ | |
1765 | ||
1766 | /* kernel interface */ | |
1767 | static struct fb_ops riva_fb_ops = { | |
1768 | .owner = THIS_MODULE, | |
1769 | .fb_open = rivafb_open, | |
1770 | .fb_release = rivafb_release, | |
1771 | .fb_check_var = rivafb_check_var, | |
1772 | .fb_set_par = rivafb_set_par, | |
1773 | .fb_setcolreg = rivafb_setcolreg, | |
1774 | .fb_pan_display = rivafb_pan_display, | |
1775 | .fb_blank = rivafb_blank, | |
1776 | .fb_fillrect = rivafb_fillrect, | |
1777 | .fb_copyarea = rivafb_copyarea, | |
1778 | .fb_imageblit = rivafb_imageblit, | |
1779 | .fb_cursor = rivafb_cursor, | |
1780 | .fb_sync = rivafb_sync, | |
1781 | }; | |
1782 | ||
1783 | static int __devinit riva_set_fbinfo(struct fb_info *info) | |
1784 | { | |
1785 | unsigned int cmap_len; | |
f4a41836 | 1786 | struct riva_par *par = info->par; |
1da177e4 LT |
1787 | |
1788 | NVTRACE_ENTER(); | |
1789 | info->flags = FBINFO_DEFAULT | |
1790 | | FBINFO_HWACCEL_XPAN | |
1791 | | FBINFO_HWACCEL_YPAN | |
1792 | | FBINFO_HWACCEL_COPYAREA | |
1793 | | FBINFO_HWACCEL_FILLRECT | |
1794 | | FBINFO_HWACCEL_IMAGEBLIT; | |
1795 | ||
1796 | /* Accel seems to not work properly on NV30 yet...*/ | |
1797 | if ((par->riva.Architecture == NV_ARCH_30) || noaccel) { | |
1798 | printk(KERN_DEBUG PFX "disabling acceleration\n"); | |
1799 | info->flags |= FBINFO_HWACCEL_DISABLED; | |
1800 | } | |
1801 | ||
1802 | info->var = rivafb_default_var; | |
1803 | info->fix.visual = (info->var.bits_per_pixel == 8) ? | |
1804 | FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_DIRECTCOLOR; | |
1805 | ||
1806 | info->pseudo_palette = par->pseudo_palette; | |
1807 | ||
1808 | cmap_len = riva_get_cmap_len(&info->var); | |
1809 | fb_alloc_cmap(&info->cmap, cmap_len, 0); | |
1810 | ||
1811 | info->pixmap.size = 8 * 1024; | |
1812 | info->pixmap.buf_align = 4; | |
58a60643 | 1813 | info->pixmap.access_align = 32; |
1da177e4 LT |
1814 | info->pixmap.flags = FB_PIXMAP_SYSTEM; |
1815 | info->var.yres_virtual = -1; | |
1816 | NVTRACE_LEAVE(); | |
1817 | return (rivafb_check_var(&info->var, info)); | |
1818 | } | |
1819 | ||
1820 | #ifdef CONFIG_PPC_OF | |
1821 | static int __devinit riva_get_EDID_OF(struct fb_info *info, struct pci_dev *pd) | |
1822 | { | |
f4a41836 | 1823 | struct riva_par *par = info->par; |
1da177e4 LT |
1824 | struct device_node *dp; |
1825 | unsigned char *pedid = NULL; | |
1826 | unsigned char *disptype = NULL; | |
1827 | static char *propnames[] = { | |
1828 | "DFP,EDID", "LCD,EDID", "EDID", "EDID1", "EDID,B", "EDID,A", NULL }; | |
1829 | int i; | |
1830 | ||
1831 | NVTRACE_ENTER(); | |
1832 | dp = pci_device_to_OF_node(pd); | |
1833 | for (; dp != NULL; dp = dp->child) { | |
1834 | disptype = (unsigned char *)get_property(dp, "display-type", NULL); | |
1835 | if (disptype == NULL) | |
1836 | continue; | |
1837 | if (strncmp(disptype, "LCD", 3) != 0) | |
1838 | continue; | |
1839 | for (i = 0; propnames[i] != NULL; ++i) { | |
1840 | pedid = (unsigned char *) | |
1841 | get_property(dp, propnames[i], NULL); | |
1842 | if (pedid != NULL) { | |
1843 | par->EDID = pedid; | |
1844 | NVTRACE("LCD found.\n"); | |
1845 | return 1; | |
1846 | } | |
1847 | } | |
1848 | } | |
1849 | NVTRACE_LEAVE(); | |
1850 | return 0; | |
1851 | } | |
1852 | #endif /* CONFIG_PPC_OF */ | |
1853 | ||
1854 | #if defined(CONFIG_FB_RIVA_I2C) && !defined(CONFIG_PPC_OF) | |
1855 | static int __devinit riva_get_EDID_i2c(struct fb_info *info) | |
1856 | { | |
f4a41836 | 1857 | struct riva_par *par = info->par; |
1da177e4 LT |
1858 | struct fb_var_screeninfo var; |
1859 | int i; | |
1860 | ||
1861 | NVTRACE_ENTER(); | |
1862 | riva_create_i2c_busses(par); | |
1863 | for (i = 0; i < par->bus; i++) { | |
1864 | riva_probe_i2c_connector(par, i+1, &par->EDID); | |
1865 | if (par->EDID && !fb_parse_edid(par->EDID, &var)) { | |
1866 | printk(PFX "Found EDID Block from BUS %i\n", i); | |
1867 | break; | |
1868 | } | |
1869 | } | |
1870 | ||
1871 | NVTRACE_LEAVE(); | |
1872 | return (par->EDID) ? 1 : 0; | |
1873 | } | |
1874 | #endif /* CONFIG_FB_RIVA_I2C */ | |
1875 | ||
1876 | static void __devinit riva_update_default_var(struct fb_var_screeninfo *var, | |
1877 | struct fb_info *info) | |
1878 | { | |
1879 | struct fb_monspecs *specs = &info->monspecs; | |
1880 | struct fb_videomode modedb; | |
1881 | ||
1882 | NVTRACE_ENTER(); | |
1883 | /* respect mode options */ | |
1884 | if (mode_option) { | |
1885 | fb_find_mode(var, info, mode_option, | |
1886 | specs->modedb, specs->modedb_len, | |
1887 | NULL, 8); | |
1888 | } else if (specs->modedb != NULL) { | |
1889 | /* get preferred timing */ | |
1890 | if (info->monspecs.misc & FB_MISC_1ST_DETAIL) { | |
1891 | int i; | |
1892 | ||
1893 | for (i = 0; i < specs->modedb_len; i++) { | |
1894 | if (specs->modedb[i].flag & FB_MODE_IS_FIRST) { | |
1895 | modedb = specs->modedb[i]; | |
1896 | break; | |
1897 | } | |
1898 | } | |
1899 | } else { | |
1900 | /* otherwise, get first mode in database */ | |
1901 | modedb = specs->modedb[0]; | |
1902 | } | |
1903 | var->bits_per_pixel = 8; | |
1904 | riva_update_var(var, &modedb); | |
1905 | } | |
1906 | NVTRACE_LEAVE(); | |
1907 | } | |
1908 | ||
1909 | ||
1910 | static void __devinit riva_get_EDID(struct fb_info *info, struct pci_dev *pdev) | |
1911 | { | |
1912 | NVTRACE_ENTER(); | |
1913 | #ifdef CONFIG_PPC_OF | |
1914 | if (!riva_get_EDID_OF(info, pdev)) | |
1915 | printk(PFX "could not retrieve EDID from OF\n"); | |
44456d37 | 1916 | #elif defined(CONFIG_FB_RIVA_I2C) |
1da177e4 LT |
1917 | if (!riva_get_EDID_i2c(info)) |
1918 | printk(PFX "could not retrieve EDID from DDC/I2C\n"); | |
1919 | #endif | |
1920 | NVTRACE_LEAVE(); | |
1921 | } | |
1922 | ||
1923 | ||
1924 | static void __devinit riva_get_edidinfo(struct fb_info *info) | |
1925 | { | |
1926 | struct fb_var_screeninfo *var = &rivafb_default_var; | |
f4a41836 | 1927 | struct riva_par *par = info->par; |
1da177e4 LT |
1928 | |
1929 | fb_edid_to_monspecs(par->EDID, &info->monspecs); | |
1930 | fb_videomode_to_modelist(info->monspecs.modedb, info->monspecs.modedb_len, | |
1931 | &info->modelist); | |
1932 | riva_update_default_var(var, info); | |
1933 | ||
1934 | /* if user specified flatpanel, we respect that */ | |
1935 | if (info->monspecs.input & FB_DISP_DDI) | |
1936 | par->FlatPanel = 1; | |
1937 | } | |
1938 | ||
1939 | /* ------------------------------------------------------------------------- * | |
1940 | * | |
1941 | * PCI bus | |
1942 | * | |
1943 | * ------------------------------------------------------------------------- */ | |
1944 | ||
1945 | static u32 __devinit riva_get_arch(struct pci_dev *pd) | |
1946 | { | |
1947 | u32 arch = 0; | |
1948 | ||
1949 | switch (pd->device & 0x0ff0) { | |
1950 | case 0x0100: /* GeForce 256 */ | |
1951 | case 0x0110: /* GeForce2 MX */ | |
1952 | case 0x0150: /* GeForce2 */ | |
1953 | case 0x0170: /* GeForce4 MX */ | |
1954 | case 0x0180: /* GeForce4 MX (8x AGP) */ | |
1955 | case 0x01A0: /* nForce */ | |
1956 | case 0x01F0: /* nForce2 */ | |
1957 | arch = NV_ARCH_10; | |
1958 | break; | |
1959 | case 0x0200: /* GeForce3 */ | |
1960 | case 0x0250: /* GeForce4 Ti */ | |
1961 | case 0x0280: /* GeForce4 Ti (8x AGP) */ | |
1962 | arch = NV_ARCH_20; | |
1963 | break; | |
1964 | case 0x0300: /* GeForceFX 5800 */ | |
1965 | case 0x0310: /* GeForceFX 5600 */ | |
1966 | case 0x0320: /* GeForceFX 5200 */ | |
1967 | case 0x0330: /* GeForceFX 5900 */ | |
1968 | case 0x0340: /* GeForceFX 5700 */ | |
1969 | arch = NV_ARCH_30; | |
1970 | break; | |
1971 | case 0x0020: /* TNT, TNT2 */ | |
1972 | arch = NV_ARCH_04; | |
1973 | break; | |
1974 | case 0x0010: /* Riva128 */ | |
1975 | arch = NV_ARCH_03; | |
1976 | break; | |
1977 | default: /* unknown architecture */ | |
1978 | break; | |
1979 | } | |
1980 | return arch; | |
1981 | } | |
1982 | ||
1983 | static int __devinit rivafb_probe(struct pci_dev *pd, | |
1984 | const struct pci_device_id *ent) | |
1985 | { | |
1986 | struct riva_par *default_par; | |
1987 | struct fb_info *info; | |
1988 | int ret; | |
1989 | ||
1990 | NVTRACE_ENTER(); | |
1991 | assert(pd != NULL); | |
1992 | ||
1993 | info = framebuffer_alloc(sizeof(struct riva_par), &pd->dev); | |
1994 | if (!info) { | |
1995 | printk (KERN_ERR PFX "could not allocate memory\n"); | |
1996 | ret = -ENOMEM; | |
1997 | goto err_ret; | |
1998 | } | |
f4a41836 | 1999 | default_par = info->par; |
1da177e4 LT |
2000 | default_par->pdev = pd; |
2001 | ||
2002 | info->pixmap.addr = kmalloc(8 * 1024, GFP_KERNEL); | |
2003 | if (info->pixmap.addr == NULL) { | |
2004 | ret = -ENOMEM; | |
2005 | goto err_framebuffer_release; | |
2006 | } | |
2007 | memset(info->pixmap.addr, 0, 8 * 1024); | |
2008 | ||
2009 | ret = pci_enable_device(pd); | |
2010 | if (ret < 0) { | |
2011 | printk(KERN_ERR PFX "cannot enable PCI device\n"); | |
2012 | goto err_free_pixmap; | |
2013 | } | |
2014 | ||
2015 | ret = pci_request_regions(pd, "rivafb"); | |
2016 | if (ret < 0) { | |
2017 | printk(KERN_ERR PFX "cannot request PCI regions\n"); | |
2018 | goto err_disable_device; | |
2019 | } | |
2020 | ||
2021 | default_par->riva.Architecture = riva_get_arch(pd); | |
2022 | ||
2023 | default_par->Chipset = (pd->vendor << 16) | pd->device; | |
2024 | printk(KERN_INFO PFX "nVidia device/chipset %X\n",default_par->Chipset); | |
2025 | ||
1da177e4 LT |
2026 | if(default_par->riva.Architecture == 0) { |
2027 | printk(KERN_ERR PFX "unknown NV_ARCH\n"); | |
2028 | ret=-ENODEV; | |
2029 | goto err_release_region; | |
2030 | } | |
2031 | if(default_par->riva.Architecture == NV_ARCH_10 || | |
2032 | default_par->riva.Architecture == NV_ARCH_20 || | |
2033 | default_par->riva.Architecture == NV_ARCH_30) { | |
2034 | sprintf(rivafb_fix.id, "NV%x", (pd->device & 0x0ff0) >> 4); | |
2035 | } else { | |
2036 | sprintf(rivafb_fix.id, "NV%x", default_par->riva.Architecture); | |
2037 | } | |
2038 | ||
2039 | default_par->FlatPanel = flatpanel; | |
2040 | if (flatpanel == 1) | |
2041 | printk(KERN_INFO PFX "flatpanel support enabled\n"); | |
2042 | default_par->forceCRTC = forceCRTC; | |
2043 | ||
2044 | rivafb_fix.mmio_len = pci_resource_len(pd, 0); | |
2045 | rivafb_fix.smem_len = pci_resource_len(pd, 1); | |
2046 | ||
2047 | { | |
2048 | /* enable IO and mem if not already done */ | |
2049 | unsigned short cmd; | |
2050 | ||
2051 | pci_read_config_word(pd, PCI_COMMAND, &cmd); | |
2052 | cmd |= (PCI_COMMAND_IO | PCI_COMMAND_MEMORY); | |
2053 | pci_write_config_word(pd, PCI_COMMAND, cmd); | |
2054 | } | |
2055 | ||
2056 | rivafb_fix.mmio_start = pci_resource_start(pd, 0); | |
2057 | rivafb_fix.smem_start = pci_resource_start(pd, 1); | |
2058 | ||
2059 | default_par->ctrl_base = ioremap(rivafb_fix.mmio_start, | |
2060 | rivafb_fix.mmio_len); | |
2061 | if (!default_par->ctrl_base) { | |
2062 | printk(KERN_ERR PFX "cannot ioremap MMIO base\n"); | |
2063 | ret = -EIO; | |
2064 | goto err_release_region; | |
2065 | } | |
2066 | ||
2067 | switch (default_par->riva.Architecture) { | |
2068 | case NV_ARCH_03: | |
2069 | /* Riva128's PRAMIN is in the "framebuffer" space | |
2070 | * Since these cards were never made with more than 8 megabytes | |
2071 | * we can safely allocate this separately. | |
2072 | */ | |
2073 | default_par->riva.PRAMIN = ioremap(rivafb_fix.smem_start + 0x00C00000, 0x00008000); | |
2074 | if (!default_par->riva.PRAMIN) { | |
2075 | printk(KERN_ERR PFX "cannot ioremap PRAMIN region\n"); | |
2076 | ret = -EIO; | |
2077 | goto err_iounmap_ctrl_base; | |
2078 | } | |
2079 | break; | |
2080 | case NV_ARCH_04: | |
2081 | case NV_ARCH_10: | |
2082 | case NV_ARCH_20: | |
2083 | case NV_ARCH_30: | |
2084 | default_par->riva.PCRTC0 = | |
2085 | (u32 __iomem *)(default_par->ctrl_base + 0x00600000); | |
2086 | default_par->riva.PRAMIN = | |
2087 | (u32 __iomem *)(default_par->ctrl_base + 0x00710000); | |
2088 | break; | |
2089 | } | |
2090 | riva_common_setup(default_par); | |
2091 | ||
2092 | if (default_par->riva.Architecture == NV_ARCH_03) { | |
2093 | default_par->riva.PCRTC = default_par->riva.PCRTC0 | |
2094 | = default_par->riva.PGRAPH; | |
2095 | } | |
2096 | ||
2097 | rivafb_fix.smem_len = riva_get_memlen(default_par) * 1024; | |
2098 | default_par->dclk_max = riva_get_maxdclk(default_par) * 1000; | |
2099 | info->screen_base = ioremap(rivafb_fix.smem_start, | |
2100 | rivafb_fix.smem_len); | |
2101 | if (!info->screen_base) { | |
2102 | printk(KERN_ERR PFX "cannot ioremap FB base\n"); | |
2103 | ret = -EIO; | |
2104 | goto err_iounmap_pramin; | |
2105 | } | |
2106 | ||
2107 | #ifdef CONFIG_MTRR | |
2108 | if (!nomtrr) { | |
2109 | default_par->mtrr.vram = mtrr_add(rivafb_fix.smem_start, | |
2110 | rivafb_fix.smem_len, | |
2111 | MTRR_TYPE_WRCOMB, 1); | |
2112 | if (default_par->mtrr.vram < 0) { | |
2113 | printk(KERN_ERR PFX "unable to setup MTRR\n"); | |
2114 | } else { | |
2115 | default_par->mtrr.vram_valid = 1; | |
2116 | /* let there be speed */ | |
2117 | printk(KERN_INFO PFX "RIVA MTRR set to ON\n"); | |
2118 | } | |
2119 | } | |
2120 | #endif /* CONFIG_MTRR */ | |
2121 | ||
2122 | info->fbops = &riva_fb_ops; | |
2123 | info->fix = rivafb_fix; | |
2124 | riva_get_EDID(info, pd); | |
2125 | riva_get_edidinfo(info); | |
2126 | ||
2127 | ret=riva_set_fbinfo(info); | |
2128 | if (ret < 0) { | |
2129 | printk(KERN_ERR PFX "error setting initial video mode\n"); | |
2130 | goto err_iounmap_screen_base; | |
2131 | } | |
2132 | ||
2133 | fb_destroy_modedb(info->monspecs.modedb); | |
2134 | info->monspecs.modedb = NULL; | |
2135 | ret = register_framebuffer(info); | |
2136 | if (ret < 0) { | |
2137 | printk(KERN_ERR PFX | |
2138 | "error registering riva framebuffer\n"); | |
2139 | goto err_iounmap_screen_base; | |
2140 | } | |
2141 | ||
2142 | pci_set_drvdata(pd, info); | |
2143 | ||
2144 | printk(KERN_INFO PFX | |
2145 | "PCI nVidia %s framebuffer ver %s (%dMB @ 0x%lX)\n", | |
2146 | info->fix.id, | |
2147 | RIVAFB_VERSION, | |
2148 | info->fix.smem_len / (1024 * 1024), | |
2149 | info->fix.smem_start); | |
5474c120 MH |
2150 | |
2151 | riva_bl_init(info->par); | |
2152 | ||
1da177e4 LT |
2153 | NVTRACE_LEAVE(); |
2154 | return 0; | |
2155 | ||
2156 | err_iounmap_screen_base: | |
2157 | #ifdef CONFIG_FB_RIVA_I2C | |
f4a41836 | 2158 | riva_delete_i2c_busses(info->par); |
1da177e4 LT |
2159 | #endif |
2160 | iounmap(info->screen_base); | |
2161 | err_iounmap_pramin: | |
2162 | if (default_par->riva.Architecture == NV_ARCH_03) | |
2163 | iounmap(default_par->riva.PRAMIN); | |
2164 | err_iounmap_ctrl_base: | |
2165 | iounmap(default_par->ctrl_base); | |
2166 | err_release_region: | |
2167 | pci_release_regions(pd); | |
2168 | err_disable_device: | |
1da177e4 LT |
2169 | err_free_pixmap: |
2170 | kfree(info->pixmap.addr); | |
2171 | err_framebuffer_release: | |
2172 | framebuffer_release(info); | |
2173 | err_ret: | |
2174 | return ret; | |
2175 | } | |
2176 | ||
2177 | static void __exit rivafb_remove(struct pci_dev *pd) | |
2178 | { | |
2179 | struct fb_info *info = pci_get_drvdata(pd); | |
f4a41836 | 2180 | struct riva_par *par = info->par; |
1da177e4 LT |
2181 | |
2182 | NVTRACE_ENTER(); | |
1da177e4 | 2183 | |
5474c120 MH |
2184 | riva_bl_exit(par); |
2185 | ||
1da177e4 LT |
2186 | #ifdef CONFIG_FB_RIVA_I2C |
2187 | riva_delete_i2c_busses(par); | |
2188 | kfree(par->EDID); | |
2189 | #endif | |
2190 | ||
2191 | unregister_framebuffer(info); | |
2192 | #ifdef CONFIG_MTRR | |
2193 | if (par->mtrr.vram_valid) | |
2194 | mtrr_del(par->mtrr.vram, info->fix.smem_start, | |
2195 | info->fix.smem_len); | |
2196 | #endif /* CONFIG_MTRR */ | |
2197 | ||
2198 | iounmap(par->ctrl_base); | |
2199 | iounmap(info->screen_base); | |
2200 | if (par->riva.Architecture == NV_ARCH_03) | |
2201 | iounmap(par->riva.PRAMIN); | |
2202 | pci_release_regions(pd); | |
1da177e4 LT |
2203 | kfree(info->pixmap.addr); |
2204 | framebuffer_release(info); | |
2205 | pci_set_drvdata(pd, NULL); | |
2206 | NVTRACE_LEAVE(); | |
2207 | } | |
2208 | ||
2209 | /* ------------------------------------------------------------------------- * | |
2210 | * | |
2211 | * initialization | |
2212 | * | |
2213 | * ------------------------------------------------------------------------- */ | |
2214 | ||
2215 | #ifndef MODULE | |
2216 | static int __init rivafb_setup(char *options) | |
2217 | { | |
2218 | char *this_opt; | |
2219 | ||
2220 | NVTRACE_ENTER(); | |
2221 | if (!options || !*options) | |
2222 | return 0; | |
2223 | ||
2224 | while ((this_opt = strsep(&options, ",")) != NULL) { | |
2225 | if (!strncmp(this_opt, "forceCRTC", 9)) { | |
2226 | char *p; | |
2227 | ||
2228 | p = this_opt + 9; | |
2229 | if (!*p || !*(++p)) continue; | |
2230 | forceCRTC = *p - '0'; | |
2231 | if (forceCRTC < 0 || forceCRTC > 1) | |
2232 | forceCRTC = -1; | |
2233 | } else if (!strncmp(this_opt, "flatpanel", 9)) { | |
2234 | flatpanel = 1; | |
2235 | #ifdef CONFIG_MTRR | |
2236 | } else if (!strncmp(this_opt, "nomtrr", 6)) { | |
2237 | nomtrr = 1; | |
2238 | #endif | |
2239 | } else if (!strncmp(this_opt, "strictmode", 10)) { | |
2240 | strictmode = 1; | |
2241 | } else if (!strncmp(this_opt, "noaccel", 7)) { | |
2242 | noaccel = 1; | |
2243 | } else | |
2244 | mode_option = this_opt; | |
2245 | } | |
2246 | NVTRACE_LEAVE(); | |
2247 | return 0; | |
2248 | } | |
2249 | #endif /* !MODULE */ | |
2250 | ||
2251 | static struct pci_driver rivafb_driver = { | |
2252 | .name = "rivafb", | |
2253 | .id_table = rivafb_pci_tbl, | |
2254 | .probe = rivafb_probe, | |
2255 | .remove = __exit_p(rivafb_remove), | |
2256 | }; | |
2257 | ||
2258 | ||
2259 | ||
2260 | /* ------------------------------------------------------------------------- * | |
2261 | * | |
2262 | * modularization | |
2263 | * | |
2264 | * ------------------------------------------------------------------------- */ | |
2265 | ||
2266 | static int __devinit rivafb_init(void) | |
2267 | { | |
2268 | #ifndef MODULE | |
2269 | char *option = NULL; | |
2270 | ||
2271 | if (fb_get_options("rivafb", &option)) | |
2272 | return -ENODEV; | |
2273 | rivafb_setup(option); | |
2274 | #endif | |
2275 | return pci_register_driver(&rivafb_driver); | |
2276 | } | |
2277 | ||
2278 | ||
2279 | module_init(rivafb_init); | |
2280 | ||
2281 | #ifdef MODULE | |
2282 | static void __exit rivafb_exit(void) | |
2283 | { | |
2284 | pci_unregister_driver(&rivafb_driver); | |
2285 | } | |
2286 | ||
2287 | module_exit(rivafb_exit); | |
2288 | #endif /* MODULE */ | |
2289 | ||
2290 | module_param(noaccel, bool, 0); | |
2291 | MODULE_PARM_DESC(noaccel, "bool: disable acceleration"); | |
2292 | module_param(flatpanel, int, 0); | |
2293 | MODULE_PARM_DESC(flatpanel, "Enables experimental flat panel support for some chipsets. (0 or 1=enabled) (default=0)"); | |
2294 | module_param(forceCRTC, int, 0); | |
2295 | MODULE_PARM_DESC(forceCRTC, "Forces usage of a particular CRTC in case autodetection fails. (0 or 1) (default=autodetect)"); | |
2296 | #ifdef CONFIG_MTRR | |
2297 | module_param(nomtrr, bool, 0); | |
2298 | MODULE_PARM_DESC(nomtrr, "Disables MTRR support (0 or 1=disabled) (default=0)"); | |
2299 | #endif | |
2300 | module_param(strictmode, bool, 0); | |
2301 | MODULE_PARM_DESC(strictmode, "Only use video modes from EDID"); | |
2302 | ||
2303 | MODULE_AUTHOR("Ani Joshi, maintainer"); | |
2304 | MODULE_DESCRIPTION("Framebuffer driver for nVidia Riva 128, TNT, TNT2, and the GeForce series"); | |
2305 | MODULE_LICENSE("GPL"); |