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1da177e4 LT |
1 | /* leo.c: LEO frame buffer driver |
2 | * | |
3 | * Copyright (C) 2003 David S. Miller (davem@redhat.com) | |
4 | * Copyright (C) 1996-1999 Jakub Jelinek (jj@ultra.linux.cz) | |
5 | * Copyright (C) 1997 Michal Rehacek (Michal.Rehacek@st.mff.cuni.cz) | |
6 | * | |
7 | * Driver layout based loosely on tgafb.c, see that file for credits. | |
8 | */ | |
9 | ||
10 | #include <linux/module.h> | |
11 | #include <linux/kernel.h> | |
12 | #include <linux/errno.h> | |
13 | #include <linux/string.h> | |
14 | #include <linux/slab.h> | |
15 | #include <linux/delay.h> | |
16 | #include <linux/init.h> | |
17 | #include <linux/fb.h> | |
18 | #include <linux/mm.h> | |
19 | ||
20 | #include <asm/io.h> | |
21 | #include <asm/sbus.h> | |
22 | #include <asm/oplib.h> | |
23 | #include <asm/fbio.h> | |
24 | ||
25 | #include "sbuslib.h" | |
26 | ||
27 | /* | |
28 | * Local functions. | |
29 | */ | |
30 | ||
31 | static int leo_setcolreg(unsigned, unsigned, unsigned, unsigned, | |
32 | unsigned, struct fb_info *); | |
33 | static int leo_blank(int, struct fb_info *); | |
34 | ||
35 | static int leo_mmap(struct fb_info *, struct file *, struct vm_area_struct *); | |
36 | static int leo_ioctl(struct inode *, struct file *, unsigned int, | |
37 | unsigned long, struct fb_info *); | |
38 | static int leo_pan_display(struct fb_var_screeninfo *, struct fb_info *); | |
39 | ||
40 | /* | |
41 | * Frame buffer operations | |
42 | */ | |
43 | ||
44 | static struct fb_ops leo_ops = { | |
45 | .owner = THIS_MODULE, | |
46 | .fb_setcolreg = leo_setcolreg, | |
47 | .fb_blank = leo_blank, | |
48 | .fb_pan_display = leo_pan_display, | |
49 | .fb_fillrect = cfb_fillrect, | |
50 | .fb_copyarea = cfb_copyarea, | |
51 | .fb_imageblit = cfb_imageblit, | |
52 | .fb_mmap = leo_mmap, | |
53 | .fb_ioctl = leo_ioctl, | |
9ffb83bc CH |
54 | #ifdef CONFIG_COMPAT |
55 | .fb_compat_ioctl = sbusfb_compat_ioctl, | |
56 | #endif | |
1da177e4 LT |
57 | }; |
58 | ||
59 | #define LEO_OFF_LC_SS0_KRN 0x00200000UL | |
60 | #define LEO_OFF_LC_SS0_USR 0x00201000UL | |
61 | #define LEO_OFF_LC_SS1_KRN 0x01200000UL | |
62 | #define LEO_OFF_LC_SS1_USR 0x01201000UL | |
63 | #define LEO_OFF_LD_SS0 0x00400000UL | |
64 | #define LEO_OFF_LD_SS1 0x01400000UL | |
65 | #define LEO_OFF_LD_GBL 0x00401000UL | |
66 | #define LEO_OFF_LX_KRN 0x00600000UL | |
67 | #define LEO_OFF_LX_CURSOR 0x00601000UL | |
68 | #define LEO_OFF_SS0 0x00800000UL | |
69 | #define LEO_OFF_SS1 0x01800000UL | |
70 | #define LEO_OFF_UNK 0x00602000UL | |
71 | #define LEO_OFF_UNK2 0x00000000UL | |
72 | ||
73 | #define LEO_CUR_ENABLE 0x00000080 | |
74 | #define LEO_CUR_UPDATE 0x00000030 | |
75 | #define LEO_CUR_PROGRESS 0x00000006 | |
76 | #define LEO_CUR_UPDATECMAP 0x00000003 | |
77 | ||
78 | #define LEO_CUR_TYPE_MASK 0x00000000 | |
79 | #define LEO_CUR_TYPE_IMAGE 0x00000020 | |
80 | #define LEO_CUR_TYPE_CMAP 0x00000050 | |
81 | ||
82 | struct leo_cursor { | |
83 | u8 xxx0[16]; | |
84 | volatile u32 cur_type; | |
85 | volatile u32 cur_misc; | |
86 | volatile u32 cur_cursxy; | |
87 | volatile u32 cur_data; | |
88 | }; | |
89 | ||
90 | #define LEO_KRN_TYPE_CLUT0 0x00001000 | |
91 | #define LEO_KRN_TYPE_CLUT1 0x00001001 | |
92 | #define LEO_KRN_TYPE_CLUT2 0x00001002 | |
93 | #define LEO_KRN_TYPE_WID 0x00001003 | |
94 | #define LEO_KRN_TYPE_UNK 0x00001006 | |
95 | #define LEO_KRN_TYPE_VIDEO 0x00002003 | |
96 | #define LEO_KRN_TYPE_CLUTDATA 0x00004000 | |
97 | #define LEO_KRN_CSR_ENABLE 0x00000008 | |
98 | #define LEO_KRN_CSR_PROGRESS 0x00000004 | |
99 | #define LEO_KRN_CSR_UNK 0x00000002 | |
100 | #define LEO_KRN_CSR_UNK2 0x00000001 | |
101 | ||
102 | struct leo_lx_krn { | |
103 | volatile u32 krn_type; | |
104 | volatile u32 krn_csr; | |
105 | volatile u32 krn_value; | |
106 | }; | |
107 | ||
108 | struct leo_lc_ss0_krn { | |
109 | volatile u32 misc; | |
110 | u8 xxx0[0x800-4]; | |
111 | volatile u32 rev; | |
112 | }; | |
113 | ||
114 | struct leo_lc_ss0_usr { | |
115 | volatile u32 csr; | |
116 | volatile u32 addrspace; | |
117 | volatile u32 fontmsk; | |
118 | volatile u32 fontt; | |
119 | volatile u32 extent; | |
120 | volatile u32 src; | |
121 | u32 dst; | |
122 | volatile u32 copy; | |
123 | volatile u32 fill; | |
124 | }; | |
125 | ||
126 | struct leo_lc_ss1_krn { | |
127 | u8 unknown; | |
128 | }; | |
129 | ||
130 | struct leo_lc_ss1_usr { | |
131 | u8 unknown; | |
132 | }; | |
133 | ||
134 | struct leo_ld { | |
135 | u8 xxx0[0xe00]; | |
136 | volatile u32 csr; | |
137 | volatile u32 wid; | |
138 | volatile u32 wmask; | |
139 | volatile u32 widclip; | |
140 | volatile u32 vclipmin; | |
141 | volatile u32 vclipmax; | |
142 | volatile u32 pickmin; /* SS1 only */ | |
143 | volatile u32 pickmax; /* SS1 only */ | |
144 | volatile u32 fg; | |
145 | volatile u32 bg; | |
146 | volatile u32 src; /* Copy/Scroll (SS0 only) */ | |
147 | volatile u32 dst; /* Copy/Scroll/Fill (SS0 only) */ | |
148 | volatile u32 extent; /* Copy/Scroll/Fill size (SS0 only) */ | |
149 | u32 xxx1[3]; | |
150 | volatile u32 setsem; /* SS1 only */ | |
151 | volatile u32 clrsem; /* SS1 only */ | |
152 | volatile u32 clrpick; /* SS1 only */ | |
153 | volatile u32 clrdat; /* SS1 only */ | |
154 | volatile u32 alpha; /* SS1 only */ | |
155 | u8 xxx2[0x2c]; | |
156 | volatile u32 winbg; | |
157 | volatile u32 planemask; | |
158 | volatile u32 rop; | |
159 | volatile u32 z; | |
160 | volatile u32 dczf; /* SS1 only */ | |
161 | volatile u32 dczb; /* SS1 only */ | |
162 | volatile u32 dcs; /* SS1 only */ | |
163 | volatile u32 dczs; /* SS1 only */ | |
164 | volatile u32 pickfb; /* SS1 only */ | |
165 | volatile u32 pickbb; /* SS1 only */ | |
166 | volatile u32 dcfc; /* SS1 only */ | |
167 | volatile u32 forcecol; /* SS1 only */ | |
168 | volatile u32 door[8]; /* SS1 only */ | |
169 | volatile u32 pick[5]; /* SS1 only */ | |
170 | }; | |
171 | ||
172 | #define LEO_SS1_MISC_ENABLE 0x00000001 | |
173 | #define LEO_SS1_MISC_STEREO 0x00000002 | |
174 | struct leo_ld_ss1 { | |
175 | u8 xxx0[0xef4]; | |
176 | volatile u32 ss1_misc; | |
177 | }; | |
178 | ||
179 | struct leo_ld_gbl { | |
180 | u8 unknown; | |
181 | }; | |
182 | ||
183 | struct leo_par { | |
184 | spinlock_t lock; | |
185 | struct leo_lx_krn __iomem *lx_krn; | |
186 | struct leo_lc_ss0_usr __iomem *lc_ss0_usr; | |
187 | struct leo_ld_ss0 __iomem *ld_ss0; | |
188 | struct leo_ld_ss1 __iomem *ld_ss1; | |
189 | struct leo_cursor __iomem *cursor; | |
190 | u32 extent; | |
191 | u32 clut_data[256]; | |
192 | ||
193 | u32 flags; | |
194 | #define LEO_FLAG_BLANKED 0x00000001 | |
195 | ||
196 | unsigned long physbase; | |
197 | unsigned long fbsize; | |
198 | ||
199 | struct sbus_dev *sdev; | |
1da177e4 LT |
200 | }; |
201 | ||
202 | static void leo_wait(struct leo_lx_krn __iomem *lx_krn) | |
203 | { | |
204 | int i; | |
205 | ||
206 | for (i = 0; | |
207 | (sbus_readl(&lx_krn->krn_csr) & LEO_KRN_CSR_PROGRESS) && i < 300000; | |
208 | i++) | |
209 | udelay (1); /* Busy wait at most 0.3 sec */ | |
210 | return; | |
211 | } | |
212 | ||
213 | /** | |
214 | * leo_setcolreg - Optional function. Sets a color register. | |
215 | * @regno: boolean, 0 copy local, 1 get_user() function | |
216 | * @red: frame buffer colormap structure | |
217 | * @green: The green value which can be up to 16 bits wide | |
218 | * @blue: The blue value which can be up to 16 bits wide. | |
219 | * @transp: If supported the alpha value which can be up to 16 bits wide. | |
220 | * @info: frame buffer info structure | |
221 | */ | |
222 | static int leo_setcolreg(unsigned regno, | |
223 | unsigned red, unsigned green, unsigned blue, | |
224 | unsigned transp, struct fb_info *info) | |
225 | { | |
226 | struct leo_par *par = (struct leo_par *) info->par; | |
227 | struct leo_lx_krn __iomem *lx_krn = par->lx_krn; | |
228 | unsigned long flags; | |
229 | u32 val; | |
230 | int i; | |
231 | ||
232 | if (regno >= 256) | |
233 | return 1; | |
234 | ||
235 | red >>= 8; | |
236 | green >>= 8; | |
237 | blue >>= 8; | |
238 | ||
239 | par->clut_data[regno] = red | (green << 8) | (blue << 16); | |
240 | ||
241 | spin_lock_irqsave(&par->lock, flags); | |
242 | ||
243 | leo_wait(lx_krn); | |
244 | ||
245 | sbus_writel(LEO_KRN_TYPE_CLUTDATA, &lx_krn->krn_type); | |
246 | for (i = 0; i < 256; i++) | |
247 | sbus_writel(par->clut_data[i], &lx_krn->krn_value); | |
248 | sbus_writel(LEO_KRN_TYPE_CLUT0, &lx_krn->krn_type); | |
249 | ||
250 | val = sbus_readl(&lx_krn->krn_csr); | |
251 | val |= (LEO_KRN_CSR_UNK | LEO_KRN_CSR_UNK2); | |
252 | sbus_writel(val, &lx_krn->krn_csr); | |
253 | ||
254 | spin_unlock_irqrestore(&par->lock, flags); | |
255 | ||
256 | return 0; | |
257 | } | |
258 | ||
259 | /** | |
260 | * leo_blank - Optional function. Blanks the display. | |
261 | * @blank_mode: the blank mode we want. | |
262 | * @info: frame buffer structure that represents a single frame buffer | |
263 | */ | |
264 | static int leo_blank(int blank, struct fb_info *info) | |
265 | { | |
266 | struct leo_par *par = (struct leo_par *) info->par; | |
267 | struct leo_lx_krn __iomem *lx_krn = par->lx_krn; | |
268 | unsigned long flags; | |
269 | u32 val; | |
270 | ||
271 | spin_lock_irqsave(&par->lock, flags); | |
272 | ||
273 | switch (blank) { | |
274 | case FB_BLANK_UNBLANK: /* Unblanking */ | |
275 | val = sbus_readl(&lx_krn->krn_csr); | |
276 | val |= LEO_KRN_CSR_ENABLE; | |
277 | sbus_writel(val, &lx_krn->krn_csr); | |
278 | par->flags &= ~LEO_FLAG_BLANKED; | |
279 | break; | |
280 | ||
281 | case FB_BLANK_NORMAL: /* Normal blanking */ | |
282 | case FB_BLANK_VSYNC_SUSPEND: /* VESA blank (vsync off) */ | |
283 | case FB_BLANK_HSYNC_SUSPEND: /* VESA blank (hsync off) */ | |
284 | case FB_BLANK_POWERDOWN: /* Poweroff */ | |
285 | val = sbus_readl(&lx_krn->krn_csr); | |
286 | val &= ~LEO_KRN_CSR_ENABLE; | |
287 | sbus_writel(val, &lx_krn->krn_csr); | |
288 | par->flags |= LEO_FLAG_BLANKED; | |
289 | break; | |
290 | } | |
291 | ||
292 | spin_unlock_irqrestore(&par->lock, flags); | |
293 | ||
294 | return 0; | |
295 | } | |
296 | ||
297 | static struct sbus_mmap_map leo_mmap_map[] = { | |
298 | { | |
299 | .voff = LEO_SS0_MAP, | |
300 | .poff = LEO_OFF_SS0, | |
301 | .size = 0x800000 | |
302 | }, | |
303 | { | |
304 | .voff = LEO_LC_SS0_USR_MAP, | |
305 | .poff = LEO_OFF_LC_SS0_USR, | |
306 | .size = 0x1000 | |
307 | }, | |
308 | { | |
309 | .voff = LEO_LD_SS0_MAP, | |
310 | .poff = LEO_OFF_LD_SS0, | |
311 | .size = 0x1000 | |
312 | }, | |
313 | { | |
314 | .voff = LEO_LX_CURSOR_MAP, | |
315 | .poff = LEO_OFF_LX_CURSOR, | |
316 | .size = 0x1000 | |
317 | }, | |
318 | { | |
319 | .voff = LEO_SS1_MAP, | |
320 | .poff = LEO_OFF_SS1, | |
321 | .size = 0x800000 | |
322 | }, | |
323 | { | |
324 | .voff = LEO_LC_SS1_USR_MAP, | |
325 | .poff = LEO_OFF_LC_SS1_USR, | |
326 | .size = 0x1000 | |
327 | }, | |
328 | { | |
329 | .voff = LEO_LD_SS1_MAP, | |
330 | .poff = LEO_OFF_LD_SS1, | |
331 | .size = 0x1000 | |
332 | }, | |
333 | { | |
334 | .voff = LEO_UNK_MAP, | |
335 | .poff = LEO_OFF_UNK, | |
336 | .size = 0x1000 | |
337 | }, | |
338 | { | |
339 | .voff = LEO_LX_KRN_MAP, | |
340 | .poff = LEO_OFF_LX_KRN, | |
341 | .size = 0x1000 | |
342 | }, | |
343 | { | |
344 | .voff = LEO_LC_SS0_KRN_MAP, | |
345 | .poff = LEO_OFF_LC_SS0_KRN, | |
346 | .size = 0x1000 | |
347 | }, | |
348 | { | |
349 | .voff = LEO_LC_SS1_KRN_MAP, | |
350 | .poff = LEO_OFF_LC_SS1_KRN, | |
351 | .size = 0x1000 | |
352 | }, | |
353 | { | |
354 | .voff = LEO_LD_GBL_MAP, | |
355 | .poff = LEO_OFF_LD_GBL, | |
356 | .size = 0x1000 | |
357 | }, | |
358 | { | |
359 | .voff = LEO_UNK2_MAP, | |
360 | .poff = LEO_OFF_UNK2, | |
361 | .size = 0x100000 | |
362 | }, | |
363 | { .size = 0 } | |
364 | }; | |
365 | ||
366 | static int leo_mmap(struct fb_info *info, struct file *file, struct vm_area_struct *vma) | |
367 | { | |
368 | struct leo_par *par = (struct leo_par *)info->par; | |
369 | ||
370 | return sbusfb_mmap_helper(leo_mmap_map, | |
371 | par->physbase, par->fbsize, | |
372 | par->sdev->reg_addrs[0].which_io, | |
373 | vma); | |
374 | } | |
375 | ||
376 | static int leo_ioctl(struct inode *inode, struct file *file, unsigned int cmd, | |
377 | unsigned long arg, struct fb_info *info) | |
378 | { | |
379 | struct leo_par *par = (struct leo_par *) info->par; | |
380 | ||
381 | return sbusfb_ioctl_helper(cmd, arg, info, | |
382 | FBTYPE_SUNLEO, 32, par->fbsize); | |
383 | } | |
384 | ||
385 | /* | |
386 | * Initialisation | |
387 | */ | |
388 | ||
389 | static void | |
390 | leo_init_fix(struct fb_info *info) | |
391 | { | |
392 | struct leo_par *par = (struct leo_par *)info->par; | |
393 | ||
394 | strlcpy(info->fix.id, par->sdev->prom_name, sizeof(info->fix.id)); | |
395 | ||
396 | info->fix.type = FB_TYPE_PACKED_PIXELS; | |
397 | info->fix.visual = FB_VISUAL_TRUECOLOR; | |
398 | ||
399 | info->fix.line_length = 8192; | |
400 | ||
401 | info->fix.accel = FB_ACCEL_SUN_LEO; | |
402 | } | |
403 | ||
404 | static void leo_wid_put(struct fb_info *info, struct fb_wid_list *wl) | |
405 | { | |
406 | struct leo_par *par = (struct leo_par *) info->par; | |
407 | struct leo_lx_krn __iomem *lx_krn = par->lx_krn; | |
408 | struct fb_wid_item *wi; | |
409 | unsigned long flags; | |
410 | u32 val; | |
411 | int i, j; | |
412 | ||
413 | spin_lock_irqsave(&par->lock, flags); | |
414 | ||
415 | leo_wait(lx_krn); | |
416 | ||
417 | for (i = 0, wi = wl->wl_list; i < wl->wl_count; i++, wi++) { | |
418 | switch(wi->wi_type) { | |
419 | case FB_WID_DBL_8: | |
420 | j = (wi->wi_index & 0xf) + 0x40; | |
421 | break; | |
422 | ||
423 | case FB_WID_DBL_24: | |
424 | j = wi->wi_index & 0x3f; | |
425 | break; | |
426 | ||
427 | default: | |
428 | continue; | |
429 | }; | |
430 | sbus_writel(0x5800 + j, &lx_krn->krn_type); | |
431 | sbus_writel(wi->wi_values[0], &lx_krn->krn_value); | |
432 | } | |
433 | sbus_writel(LEO_KRN_TYPE_WID, &lx_krn->krn_type); | |
434 | ||
435 | val = sbus_readl(&lx_krn->krn_csr); | |
436 | val |= (LEO_KRN_CSR_UNK | LEO_KRN_CSR_UNK2); | |
437 | sbus_writel(val, &lx_krn->krn_csr); | |
438 | ||
439 | spin_unlock_irqrestore(&par->lock, flags); | |
440 | } | |
441 | ||
442 | static void leo_init_wids(struct fb_info *info) | |
443 | { | |
444 | struct fb_wid_item wi; | |
445 | struct fb_wid_list wl; | |
446 | ||
447 | wl.wl_count = 1; | |
448 | wl.wl_list = &wi; | |
449 | wi.wi_type = FB_WID_DBL_8; | |
450 | wi.wi_index = 0; | |
451 | wi.wi_values [0] = 0x2c0; | |
452 | leo_wid_put(info, &wl); | |
453 | wi.wi_index = 1; | |
454 | wi.wi_values [0] = 0x30; | |
455 | leo_wid_put(info, &wl); | |
456 | wi.wi_index = 2; | |
457 | wi.wi_values [0] = 0x20; | |
458 | leo_wid_put(info, &wl); | |
459 | wi.wi_type = FB_WID_DBL_24; | |
460 | wi.wi_index = 1; | |
461 | wi.wi_values [0] = 0x30; | |
462 | leo_wid_put(info, &wl); | |
463 | ||
464 | } | |
465 | ||
466 | static void leo_switch_from_graph(struct fb_info *info) | |
467 | { | |
468 | struct leo_par *par = (struct leo_par *) info->par; | |
469 | struct leo_ld __iomem *ss = (struct leo_ld __iomem *) par->ld_ss0; | |
470 | unsigned long flags; | |
471 | u32 val; | |
472 | ||
473 | spin_lock_irqsave(&par->lock, flags); | |
474 | ||
475 | par->extent = ((info->var.xres - 1) | | |
476 | ((info->var.yres - 1) << 16)); | |
477 | ||
478 | sbus_writel(0xffffffff, &ss->wid); | |
479 | sbus_writel(0xffff, &ss->wmask); | |
480 | sbus_writel(0, &ss->vclipmin); | |
481 | sbus_writel(par->extent, &ss->vclipmax); | |
482 | sbus_writel(0, &ss->fg); | |
483 | sbus_writel(0xff000000, &ss->planemask); | |
484 | sbus_writel(0x310850, &ss->rop); | |
485 | sbus_writel(0, &ss->widclip); | |
486 | sbus_writel((info->var.xres-1) | ((info->var.yres-1) << 11), | |
487 | &par->lc_ss0_usr->extent); | |
488 | sbus_writel(4, &par->lc_ss0_usr->addrspace); | |
489 | sbus_writel(0x80000000, &par->lc_ss0_usr->fill); | |
490 | sbus_writel(0, &par->lc_ss0_usr->fontt); | |
491 | do { | |
492 | val = sbus_readl(&par->lc_ss0_usr->csr); | |
493 | } while (val & 0x20000000); | |
494 | ||
495 | spin_unlock_irqrestore(&par->lock, flags); | |
496 | } | |
497 | ||
498 | static int leo_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) | |
499 | { | |
500 | /* We just use this to catch switches out of | |
501 | * graphics mode. | |
502 | */ | |
503 | leo_switch_from_graph(info); | |
504 | ||
505 | if (var->xoffset || var->yoffset || var->vmode) | |
506 | return -EINVAL; | |
507 | return 0; | |
508 | } | |
509 | ||
510 | static void leo_init_hw(struct fb_info *info) | |
511 | { | |
512 | struct leo_par *par = (struct leo_par *) info->par; | |
513 | u32 val; | |
514 | ||
515 | val = sbus_readl(&par->ld_ss1->ss1_misc); | |
516 | val |= LEO_SS1_MISC_ENABLE; | |
517 | sbus_writel(val, &par->ld_ss1->ss1_misc); | |
518 | ||
519 | leo_switch_from_graph(info); | |
520 | } | |
521 | ||
522 | static void leo_fixup_var_rgb(struct fb_var_screeninfo *var) | |
523 | { | |
524 | var->red.offset = 0; | |
525 | var->red.length = 8; | |
526 | var->green.offset = 8; | |
527 | var->green.length = 8; | |
528 | var->blue.offset = 16; | |
529 | var->blue.length = 8; | |
530 | var->transp.offset = 0; | |
531 | var->transp.length = 0; | |
532 | } | |
533 | ||
534 | struct all_info { | |
535 | struct fb_info info; | |
536 | struct leo_par par; | |
537 | struct list_head list; | |
538 | }; | |
539 | static LIST_HEAD(leo_list); | |
540 | ||
541 | static void leo_init_one(struct sbus_dev *sdev) | |
542 | { | |
543 | struct all_info *all; | |
544 | int linebytes; | |
545 | ||
546 | all = kmalloc(sizeof(*all), GFP_KERNEL); | |
547 | if (!all) { | |
548 | printk(KERN_ERR "leo: Cannot allocate memory.\n"); | |
549 | return; | |
550 | } | |
551 | memset(all, 0, sizeof(*all)); | |
552 | ||
553 | INIT_LIST_HEAD(&all->list); | |
554 | ||
555 | spin_lock_init(&all->par.lock); | |
556 | all->par.sdev = sdev; | |
557 | ||
558 | all->par.physbase = sdev->reg_addrs[0].phys_addr; | |
559 | ||
560 | sbusfb_fill_var(&all->info.var, sdev->prom_node, 32); | |
561 | leo_fixup_var_rgb(&all->info.var); | |
562 | ||
563 | linebytes = prom_getintdefault(sdev->prom_node, "linebytes", | |
564 | all->info.var.xres); | |
565 | all->par.fbsize = PAGE_ALIGN(linebytes * all->info.var.yres); | |
566 | ||
567 | #ifdef CONFIG_SPARC32 | |
568 | all->info.screen_base = (char __iomem *) | |
569 | prom_getintdefault(sdev->prom_node, "address", 0); | |
570 | #endif | |
571 | if (!all->info.screen_base) | |
572 | all->info.screen_base = | |
573 | sbus_ioremap(&sdev->resource[0], LEO_OFF_SS0, | |
574 | 0x800000, "leo ram"); | |
575 | ||
576 | all->par.lc_ss0_usr = | |
577 | sbus_ioremap(&sdev->resource[0], LEO_OFF_LC_SS0_USR, | |
578 | 0x1000, "leolc ss0usr"); | |
579 | all->par.ld_ss0 = | |
580 | sbus_ioremap(&sdev->resource[0], LEO_OFF_LD_SS0, | |
581 | 0x1000, "leold ss0"); | |
582 | all->par.ld_ss1 = | |
583 | sbus_ioremap(&sdev->resource[0], LEO_OFF_LD_SS1, | |
584 | 0x1000, "leold ss1"); | |
585 | all->par.lx_krn = | |
586 | sbus_ioremap(&sdev->resource[0], LEO_OFF_LX_KRN, | |
587 | 0x1000, "leolx krn"); | |
588 | all->par.cursor = | |
589 | sbus_ioremap(&sdev->resource[0], LEO_OFF_LX_CURSOR, | |
590 | sizeof(struct leo_cursor), "leolx cursor"); | |
591 | ||
592 | all->info.flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN; | |
593 | all->info.fbops = &leo_ops; | |
594 | all->info.par = &all->par; | |
595 | ||
596 | leo_init_wids(&all->info); | |
597 | leo_init_hw(&all->info); | |
598 | ||
599 | leo_blank(0, &all->info); | |
600 | ||
601 | if (fb_alloc_cmap(&all->info.cmap, 256, 0)) { | |
602 | printk(KERN_ERR "leo: Could not allocate color map.\n"); | |
603 | kfree(all); | |
604 | return; | |
605 | } | |
606 | ||
607 | leo_init_fix(&all->info); | |
608 | ||
609 | if (register_framebuffer(&all->info) < 0) { | |
610 | printk(KERN_ERR "leo: Could not register framebuffer.\n"); | |
611 | fb_dealloc_cmap(&all->info.cmap); | |
612 | kfree(all); | |
613 | return; | |
614 | } | |
615 | ||
616 | list_add(&all->list, &leo_list); | |
617 | ||
618 | printk("leo: %s at %lx:%lx\n", | |
619 | sdev->prom_name, | |
620 | (long) sdev->reg_addrs[0].which_io, | |
621 | (long) sdev->reg_addrs[0].phys_addr); | |
622 | } | |
623 | ||
624 | int __init leo_init(void) | |
625 | { | |
626 | struct sbus_bus *sbus; | |
627 | struct sbus_dev *sdev; | |
628 | ||
629 | if (fb_get_options("leofb", NULL)) | |
630 | return -ENODEV; | |
631 | ||
632 | for_all_sbusdev(sdev, sbus) { | |
633 | if (!strcmp(sdev->prom_name, "leo")) | |
634 | leo_init_one(sdev); | |
635 | } | |
636 | ||
637 | return 0; | |
638 | } | |
639 | ||
640 | void __exit leo_exit(void) | |
641 | { | |
642 | struct list_head *pos, *tmp; | |
643 | ||
644 | list_for_each_safe(pos, tmp, &leo_list) { | |
645 | struct all_info *all = list_entry(pos, typeof(*all), list); | |
646 | ||
647 | unregister_framebuffer(&all->info); | |
648 | fb_dealloc_cmap(&all->info.cmap); | |
649 | kfree(all); | |
650 | } | |
651 | } | |
652 | ||
653 | int __init | |
654 | leo_setup(char *arg) | |
655 | { | |
656 | /* No cmdline options yet... */ | |
657 | return 0; | |
658 | } | |
659 | ||
660 | module_init(leo_init); | |
661 | #ifdef MODULE | |
662 | module_exit(leo_exit); | |
663 | #endif | |
664 | ||
665 | MODULE_DESCRIPTION("framebuffer driver for LEO chipsets"); | |
666 | MODULE_AUTHOR("David S. Miller <davem@redhat.com>"); | |
667 | MODULE_LICENSE("GPL"); |