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Commit | Line | Data |
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1da177e4 LT |
1 | /* leo.c: LEO frame buffer driver |
2 | * | |
50312ce9 | 3 | * Copyright (C) 2003, 2006 David S. Miller (davem@davemloft.net) |
1da177e4 LT |
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> | |
6cd5a86b | 19 | #include <linux/of_device.h> |
738eca74 | 20 | #include <linux/io.h> |
1da177e4 | 21 | |
1da177e4 LT |
22 | #include <asm/fbio.h> |
23 | ||
24 | #include "sbuslib.h" | |
25 | ||
26 | /* | |
27 | * Local functions. | |
28 | */ | |
29 | ||
30 | static int leo_setcolreg(unsigned, unsigned, unsigned, unsigned, | |
31 | unsigned, struct fb_info *); | |
32 | static int leo_blank(int, struct fb_info *); | |
33 | ||
216d526c | 34 | static int leo_mmap(struct fb_info *, struct vm_area_struct *); |
67a6680d | 35 | static int leo_ioctl(struct fb_info *, unsigned int, unsigned long); |
1da177e4 LT |
36 | |
37 | /* | |
38 | * Frame buffer operations | |
39 | */ | |
40 | ||
41 | static struct fb_ops leo_ops = { | |
42 | .owner = THIS_MODULE, | |
43 | .fb_setcolreg = leo_setcolreg, | |
44 | .fb_blank = leo_blank, | |
1da177e4 LT |
45 | .fb_fillrect = cfb_fillrect, |
46 | .fb_copyarea = cfb_copyarea, | |
47 | .fb_imageblit = cfb_imageblit, | |
48 | .fb_mmap = leo_mmap, | |
49 | .fb_ioctl = leo_ioctl, | |
9ffb83bc CH |
50 | #ifdef CONFIG_COMPAT |
51 | .fb_compat_ioctl = sbusfb_compat_ioctl, | |
52 | #endif | |
1da177e4 LT |
53 | }; |
54 | ||
55 | #define LEO_OFF_LC_SS0_KRN 0x00200000UL | |
56 | #define LEO_OFF_LC_SS0_USR 0x00201000UL | |
57 | #define LEO_OFF_LC_SS1_KRN 0x01200000UL | |
58 | #define LEO_OFF_LC_SS1_USR 0x01201000UL | |
59 | #define LEO_OFF_LD_SS0 0x00400000UL | |
60 | #define LEO_OFF_LD_SS1 0x01400000UL | |
61 | #define LEO_OFF_LD_GBL 0x00401000UL | |
62 | #define LEO_OFF_LX_KRN 0x00600000UL | |
63 | #define LEO_OFF_LX_CURSOR 0x00601000UL | |
64 | #define LEO_OFF_SS0 0x00800000UL | |
65 | #define LEO_OFF_SS1 0x01800000UL | |
66 | #define LEO_OFF_UNK 0x00602000UL | |
67 | #define LEO_OFF_UNK2 0x00000000UL | |
68 | ||
69 | #define LEO_CUR_ENABLE 0x00000080 | |
70 | #define LEO_CUR_UPDATE 0x00000030 | |
71 | #define LEO_CUR_PROGRESS 0x00000006 | |
72 | #define LEO_CUR_UPDATECMAP 0x00000003 | |
73 | ||
74 | #define LEO_CUR_TYPE_MASK 0x00000000 | |
75 | #define LEO_CUR_TYPE_IMAGE 0x00000020 | |
76 | #define LEO_CUR_TYPE_CMAP 0x00000050 | |
77 | ||
78 | struct leo_cursor { | |
738eca74 | 79 | u8 xxx0[16]; |
50312ce9 DM |
80 | u32 cur_type; |
81 | u32 cur_misc; | |
82 | u32 cur_cursxy; | |
83 | u32 cur_data; | |
1da177e4 LT |
84 | }; |
85 | ||
86 | #define LEO_KRN_TYPE_CLUT0 0x00001000 | |
87 | #define LEO_KRN_TYPE_CLUT1 0x00001001 | |
88 | #define LEO_KRN_TYPE_CLUT2 0x00001002 | |
89 | #define LEO_KRN_TYPE_WID 0x00001003 | |
90 | #define LEO_KRN_TYPE_UNK 0x00001006 | |
91 | #define LEO_KRN_TYPE_VIDEO 0x00002003 | |
92 | #define LEO_KRN_TYPE_CLUTDATA 0x00004000 | |
93 | #define LEO_KRN_CSR_ENABLE 0x00000008 | |
94 | #define LEO_KRN_CSR_PROGRESS 0x00000004 | |
95 | #define LEO_KRN_CSR_UNK 0x00000002 | |
96 | #define LEO_KRN_CSR_UNK2 0x00000001 | |
97 | ||
98 | struct leo_lx_krn { | |
50312ce9 DM |
99 | u32 krn_type; |
100 | u32 krn_csr; | |
101 | u32 krn_value; | |
1da177e4 LT |
102 | }; |
103 | ||
104 | struct leo_lc_ss0_krn { | |
50312ce9 | 105 | u32 misc; |
738eca74 | 106 | u8 xxx0[0x800-4]; |
50312ce9 | 107 | u32 rev; |
1da177e4 LT |
108 | }; |
109 | ||
110 | struct leo_lc_ss0_usr { | |
50312ce9 DM |
111 | u32 csr; |
112 | u32 addrspace; | |
113 | u32 fontmsk; | |
114 | u32 fontt; | |
115 | u32 extent; | |
116 | u32 src; | |
738eca74 | 117 | u32 dst; |
50312ce9 DM |
118 | u32 copy; |
119 | u32 fill; | |
1da177e4 LT |
120 | }; |
121 | ||
122 | struct leo_lc_ss1_krn { | |
123 | u8 unknown; | |
124 | }; | |
125 | ||
126 | struct leo_lc_ss1_usr { | |
127 | u8 unknown; | |
128 | }; | |
129 | ||
738eca74 RR |
130 | struct leo_ld_ss0 { |
131 | u8 xxx0[0xe00]; | |
50312ce9 DM |
132 | u32 csr; |
133 | u32 wid; | |
134 | u32 wmask; | |
135 | u32 widclip; | |
136 | u32 vclipmin; | |
137 | u32 vclipmax; | |
138 | u32 pickmin; /* SS1 only */ | |
139 | u32 pickmax; /* SS1 only */ | |
140 | u32 fg; | |
141 | u32 bg; | |
142 | u32 src; /* Copy/Scroll (SS0 only) */ | |
143 | u32 dst; /* Copy/Scroll/Fill (SS0 only) */ | |
144 | u32 extent; /* Copy/Scroll/Fill size (SS0 only) */ | |
738eca74 | 145 | u32 xxx1[3]; |
50312ce9 DM |
146 | u32 setsem; /* SS1 only */ |
147 | u32 clrsem; /* SS1 only */ | |
148 | u32 clrpick; /* SS1 only */ | |
149 | u32 clrdat; /* SS1 only */ | |
150 | u32 alpha; /* SS1 only */ | |
738eca74 | 151 | u8 xxx2[0x2c]; |
50312ce9 DM |
152 | u32 winbg; |
153 | u32 planemask; | |
154 | u32 rop; | |
155 | u32 z; | |
156 | u32 dczf; /* SS1 only */ | |
157 | u32 dczb; /* SS1 only */ | |
158 | u32 dcs; /* SS1 only */ | |
159 | u32 dczs; /* SS1 only */ | |
160 | u32 pickfb; /* SS1 only */ | |
161 | u32 pickbb; /* SS1 only */ | |
162 | u32 dcfc; /* SS1 only */ | |
163 | u32 forcecol; /* SS1 only */ | |
164 | u32 door[8]; /* SS1 only */ | |
165 | u32 pick[5]; /* SS1 only */ | |
1da177e4 LT |
166 | }; |
167 | ||
168 | #define LEO_SS1_MISC_ENABLE 0x00000001 | |
169 | #define LEO_SS1_MISC_STEREO 0x00000002 | |
170 | struct leo_ld_ss1 { | |
50312ce9 DM |
171 | u8 xxx0[0xef4]; |
172 | u32 ss1_misc; | |
1da177e4 LT |
173 | }; |
174 | ||
175 | struct leo_ld_gbl { | |
176 | u8 unknown; | |
177 | }; | |
178 | ||
179 | struct leo_par { | |
180 | spinlock_t lock; | |
181 | struct leo_lx_krn __iomem *lx_krn; | |
182 | struct leo_lc_ss0_usr __iomem *lc_ss0_usr; | |
183 | struct leo_ld_ss0 __iomem *ld_ss0; | |
184 | struct leo_ld_ss1 __iomem *ld_ss1; | |
185 | struct leo_cursor __iomem *cursor; | |
186 | u32 extent; | |
187 | u32 clut_data[256]; | |
188 | ||
189 | u32 flags; | |
190 | #define LEO_FLAG_BLANKED 0x00000001 | |
191 | ||
192 | unsigned long physbase; | |
50312ce9 | 193 | unsigned long which_io; |
1da177e4 | 194 | unsigned long fbsize; |
1da177e4 LT |
195 | }; |
196 | ||
197 | static void leo_wait(struct leo_lx_krn __iomem *lx_krn) | |
198 | { | |
199 | int i; | |
738eca74 | 200 | |
1da177e4 | 201 | for (i = 0; |
738eca74 RR |
202 | (sbus_readl(&lx_krn->krn_csr) & LEO_KRN_CSR_PROGRESS) && |
203 | i < 300000; | |
1da177e4 | 204 | i++) |
738eca74 | 205 | udelay(1); /* Busy wait at most 0.3 sec */ |
1da177e4 LT |
206 | return; |
207 | } | |
208 | ||
209 | /** | |
210 | * leo_setcolreg - Optional function. Sets a color register. | |
211 | * @regno: boolean, 0 copy local, 1 get_user() function | |
212 | * @red: frame buffer colormap structure | |
213 | * @green: The green value which can be up to 16 bits wide | |
214 | * @blue: The blue value which can be up to 16 bits wide. | |
215 | * @transp: If supported the alpha value which can be up to 16 bits wide. | |
216 | * @info: frame buffer info structure | |
217 | */ | |
218 | static int leo_setcolreg(unsigned regno, | |
219 | unsigned red, unsigned green, unsigned blue, | |
220 | unsigned transp, struct fb_info *info) | |
221 | { | |
222 | struct leo_par *par = (struct leo_par *) info->par; | |
738eca74 | 223 | struct leo_lx_krn __iomem *lx_krn = par->lx_krn; |
1da177e4 LT |
224 | unsigned long flags; |
225 | u32 val; | |
226 | int i; | |
227 | ||
228 | if (regno >= 256) | |
229 | return 1; | |
230 | ||
231 | red >>= 8; | |
232 | green >>= 8; | |
233 | blue >>= 8; | |
234 | ||
235 | par->clut_data[regno] = red | (green << 8) | (blue << 16); | |
236 | ||
237 | spin_lock_irqsave(&par->lock, flags); | |
238 | ||
239 | leo_wait(lx_krn); | |
240 | ||
241 | sbus_writel(LEO_KRN_TYPE_CLUTDATA, &lx_krn->krn_type); | |
242 | for (i = 0; i < 256; i++) | |
243 | sbus_writel(par->clut_data[i], &lx_krn->krn_value); | |
244 | sbus_writel(LEO_KRN_TYPE_CLUT0, &lx_krn->krn_type); | |
245 | ||
246 | val = sbus_readl(&lx_krn->krn_csr); | |
247 | val |= (LEO_KRN_CSR_UNK | LEO_KRN_CSR_UNK2); | |
248 | sbus_writel(val, &lx_krn->krn_csr); | |
249 | ||
250 | spin_unlock_irqrestore(&par->lock, flags); | |
251 | ||
252 | return 0; | |
253 | } | |
254 | ||
255 | /** | |
256 | * leo_blank - Optional function. Blanks the display. | |
257 | * @blank_mode: the blank mode we want. | |
258 | * @info: frame buffer structure that represents a single frame buffer | |
259 | */ | |
260 | static int leo_blank(int blank, struct fb_info *info) | |
261 | { | |
262 | struct leo_par *par = (struct leo_par *) info->par; | |
263 | struct leo_lx_krn __iomem *lx_krn = par->lx_krn; | |
264 | unsigned long flags; | |
265 | u32 val; | |
266 | ||
267 | spin_lock_irqsave(&par->lock, flags); | |
268 | ||
269 | switch (blank) { | |
270 | case FB_BLANK_UNBLANK: /* Unblanking */ | |
271 | val = sbus_readl(&lx_krn->krn_csr); | |
272 | val |= LEO_KRN_CSR_ENABLE; | |
273 | sbus_writel(val, &lx_krn->krn_csr); | |
274 | par->flags &= ~LEO_FLAG_BLANKED; | |
275 | break; | |
276 | ||
277 | case FB_BLANK_NORMAL: /* Normal blanking */ | |
278 | case FB_BLANK_VSYNC_SUSPEND: /* VESA blank (vsync off) */ | |
279 | case FB_BLANK_HSYNC_SUSPEND: /* VESA blank (hsync off) */ | |
280 | case FB_BLANK_POWERDOWN: /* Poweroff */ | |
281 | val = sbus_readl(&lx_krn->krn_csr); | |
282 | val &= ~LEO_KRN_CSR_ENABLE; | |
283 | sbus_writel(val, &lx_krn->krn_csr); | |
284 | par->flags |= LEO_FLAG_BLANKED; | |
285 | break; | |
286 | } | |
287 | ||
288 | spin_unlock_irqrestore(&par->lock, flags); | |
289 | ||
290 | return 0; | |
291 | } | |
292 | ||
293 | static struct sbus_mmap_map leo_mmap_map[] = { | |
294 | { | |
295 | .voff = LEO_SS0_MAP, | |
296 | .poff = LEO_OFF_SS0, | |
297 | .size = 0x800000 | |
298 | }, | |
299 | { | |
300 | .voff = LEO_LC_SS0_USR_MAP, | |
301 | .poff = LEO_OFF_LC_SS0_USR, | |
302 | .size = 0x1000 | |
303 | }, | |
304 | { | |
305 | .voff = LEO_LD_SS0_MAP, | |
306 | .poff = LEO_OFF_LD_SS0, | |
307 | .size = 0x1000 | |
308 | }, | |
309 | { | |
310 | .voff = LEO_LX_CURSOR_MAP, | |
311 | .poff = LEO_OFF_LX_CURSOR, | |
312 | .size = 0x1000 | |
313 | }, | |
314 | { | |
315 | .voff = LEO_SS1_MAP, | |
316 | .poff = LEO_OFF_SS1, | |
317 | .size = 0x800000 | |
318 | }, | |
319 | { | |
320 | .voff = LEO_LC_SS1_USR_MAP, | |
321 | .poff = LEO_OFF_LC_SS1_USR, | |
322 | .size = 0x1000 | |
323 | }, | |
324 | { | |
325 | .voff = LEO_LD_SS1_MAP, | |
326 | .poff = LEO_OFF_LD_SS1, | |
327 | .size = 0x1000 | |
328 | }, | |
329 | { | |
330 | .voff = LEO_UNK_MAP, | |
331 | .poff = LEO_OFF_UNK, | |
332 | .size = 0x1000 | |
333 | }, | |
334 | { | |
335 | .voff = LEO_LX_KRN_MAP, | |
336 | .poff = LEO_OFF_LX_KRN, | |
337 | .size = 0x1000 | |
338 | }, | |
339 | { | |
340 | .voff = LEO_LC_SS0_KRN_MAP, | |
341 | .poff = LEO_OFF_LC_SS0_KRN, | |
342 | .size = 0x1000 | |
343 | }, | |
344 | { | |
345 | .voff = LEO_LC_SS1_KRN_MAP, | |
346 | .poff = LEO_OFF_LC_SS1_KRN, | |
347 | .size = 0x1000 | |
348 | }, | |
349 | { | |
350 | .voff = LEO_LD_GBL_MAP, | |
351 | .poff = LEO_OFF_LD_GBL, | |
352 | .size = 0x1000 | |
353 | }, | |
354 | { | |
355 | .voff = LEO_UNK2_MAP, | |
356 | .poff = LEO_OFF_UNK2, | |
357 | .size = 0x100000 | |
358 | }, | |
359 | { .size = 0 } | |
360 | }; | |
361 | ||
216d526c | 362 | static int leo_mmap(struct fb_info *info, struct vm_area_struct *vma) |
1da177e4 LT |
363 | { |
364 | struct leo_par *par = (struct leo_par *)info->par; | |
365 | ||
366 | return sbusfb_mmap_helper(leo_mmap_map, | |
367 | par->physbase, par->fbsize, | |
50312ce9 | 368 | par->which_io, vma); |
1da177e4 LT |
369 | } |
370 | ||
67a6680d | 371 | static int leo_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg) |
1da177e4 LT |
372 | { |
373 | struct leo_par *par = (struct leo_par *) info->par; | |
374 | ||
375 | return sbusfb_ioctl_helper(cmd, arg, info, | |
376 | FBTYPE_SUNLEO, 32, par->fbsize); | |
377 | } | |
378 | ||
379 | /* | |
380 | * Initialisation | |
381 | */ | |
382 | ||
383 | static void | |
50312ce9 | 384 | leo_init_fix(struct fb_info *info, struct device_node *dp) |
1da177e4 | 385 | { |
50312ce9 | 386 | strlcpy(info->fix.id, dp->name, sizeof(info->fix.id)); |
1da177e4 LT |
387 | |
388 | info->fix.type = FB_TYPE_PACKED_PIXELS; | |
389 | info->fix.visual = FB_VISUAL_TRUECOLOR; | |
390 | ||
391 | info->fix.line_length = 8192; | |
392 | ||
393 | info->fix.accel = FB_ACCEL_SUN_LEO; | |
394 | } | |
395 | ||
396 | static void leo_wid_put(struct fb_info *info, struct fb_wid_list *wl) | |
397 | { | |
398 | struct leo_par *par = (struct leo_par *) info->par; | |
399 | struct leo_lx_krn __iomem *lx_krn = par->lx_krn; | |
400 | struct fb_wid_item *wi; | |
401 | unsigned long flags; | |
402 | u32 val; | |
403 | int i, j; | |
404 | ||
405 | spin_lock_irqsave(&par->lock, flags); | |
406 | ||
407 | leo_wait(lx_krn); | |
408 | ||
409 | for (i = 0, wi = wl->wl_list; i < wl->wl_count; i++, wi++) { | |
738eca74 | 410 | switch (wi->wi_type) { |
1da177e4 LT |
411 | case FB_WID_DBL_8: |
412 | j = (wi->wi_index & 0xf) + 0x40; | |
413 | break; | |
414 | ||
415 | case FB_WID_DBL_24: | |
416 | j = wi->wi_index & 0x3f; | |
417 | break; | |
418 | ||
419 | default: | |
420 | continue; | |
421 | }; | |
422 | sbus_writel(0x5800 + j, &lx_krn->krn_type); | |
423 | sbus_writel(wi->wi_values[0], &lx_krn->krn_value); | |
424 | } | |
425 | sbus_writel(LEO_KRN_TYPE_WID, &lx_krn->krn_type); | |
426 | ||
427 | val = sbus_readl(&lx_krn->krn_csr); | |
428 | val |= (LEO_KRN_CSR_UNK | LEO_KRN_CSR_UNK2); | |
429 | sbus_writel(val, &lx_krn->krn_csr); | |
430 | ||
431 | spin_unlock_irqrestore(&par->lock, flags); | |
432 | } | |
433 | ||
434 | static void leo_init_wids(struct fb_info *info) | |
435 | { | |
436 | struct fb_wid_item wi; | |
437 | struct fb_wid_list wl; | |
438 | ||
439 | wl.wl_count = 1; | |
440 | wl.wl_list = &wi; | |
441 | wi.wi_type = FB_WID_DBL_8; | |
442 | wi.wi_index = 0; | |
443 | wi.wi_values [0] = 0x2c0; | |
444 | leo_wid_put(info, &wl); | |
445 | wi.wi_index = 1; | |
446 | wi.wi_values [0] = 0x30; | |
447 | leo_wid_put(info, &wl); | |
448 | wi.wi_index = 2; | |
449 | wi.wi_values [0] = 0x20; | |
450 | leo_wid_put(info, &wl); | |
451 | wi.wi_type = FB_WID_DBL_24; | |
452 | wi.wi_index = 1; | |
453 | wi.wi_values [0] = 0x30; | |
454 | leo_wid_put(info, &wl); | |
1da177e4 LT |
455 | } |
456 | ||
457 | static void leo_switch_from_graph(struct fb_info *info) | |
458 | { | |
459 | struct leo_par *par = (struct leo_par *) info->par; | |
738eca74 | 460 | struct leo_ld_ss0 __iomem *ss = par->ld_ss0; |
1da177e4 LT |
461 | unsigned long flags; |
462 | u32 val; | |
463 | ||
464 | spin_lock_irqsave(&par->lock, flags); | |
465 | ||
466 | par->extent = ((info->var.xres - 1) | | |
467 | ((info->var.yres - 1) << 16)); | |
468 | ||
469 | sbus_writel(0xffffffff, &ss->wid); | |
470 | sbus_writel(0xffff, &ss->wmask); | |
471 | sbus_writel(0, &ss->vclipmin); | |
472 | sbus_writel(par->extent, &ss->vclipmax); | |
473 | sbus_writel(0, &ss->fg); | |
474 | sbus_writel(0xff000000, &ss->planemask); | |
475 | sbus_writel(0x310850, &ss->rop); | |
476 | sbus_writel(0, &ss->widclip); | |
477 | sbus_writel((info->var.xres-1) | ((info->var.yres-1) << 11), | |
478 | &par->lc_ss0_usr->extent); | |
479 | sbus_writel(4, &par->lc_ss0_usr->addrspace); | |
480 | sbus_writel(0x80000000, &par->lc_ss0_usr->fill); | |
481 | sbus_writel(0, &par->lc_ss0_usr->fontt); | |
482 | do { | |
483 | val = sbus_readl(&par->lc_ss0_usr->csr); | |
484 | } while (val & 0x20000000); | |
485 | ||
738eca74 RR |
486 | /* setup screen buffer for cfb_* functions */ |
487 | sbus_writel(1, &ss->wid); | |
488 | sbus_writel(0x00ffffff, &ss->planemask); | |
489 | sbus_writel(0x310b90, &ss->rop); | |
490 | sbus_writel(0, &par->lc_ss0_usr->addrspace); | |
1da177e4 | 491 | |
738eca74 | 492 | spin_unlock_irqrestore(&par->lock, flags); |
1da177e4 LT |
493 | } |
494 | ||
495 | static void leo_init_hw(struct fb_info *info) | |
496 | { | |
497 | struct leo_par *par = (struct leo_par *) info->par; | |
498 | u32 val; | |
499 | ||
500 | val = sbus_readl(&par->ld_ss1->ss1_misc); | |
501 | val |= LEO_SS1_MISC_ENABLE; | |
502 | sbus_writel(val, &par->ld_ss1->ss1_misc); | |
503 | ||
504 | leo_switch_from_graph(info); | |
505 | } | |
506 | ||
507 | static void leo_fixup_var_rgb(struct fb_var_screeninfo *var) | |
508 | { | |
509 | var->red.offset = 0; | |
510 | var->red.length = 8; | |
511 | var->green.offset = 8; | |
512 | var->green.length = 8; | |
513 | var->blue.offset = 16; | |
514 | var->blue.length = 8; | |
515 | var->transp.offset = 0; | |
516 | var->transp.length = 0; | |
517 | } | |
518 | ||
c7f439b9 DM |
519 | static void leo_unmap_regs(struct of_device *op, struct fb_info *info, |
520 | struct leo_par *par) | |
1da177e4 | 521 | { |
c7f439b9 DM |
522 | if (par->lc_ss0_usr) |
523 | of_iounmap(&op->resource[0], par->lc_ss0_usr, 0x1000); | |
524 | if (par->ld_ss0) | |
525 | of_iounmap(&op->resource[0], par->ld_ss0, 0x1000); | |
526 | if (par->ld_ss1) | |
527 | of_iounmap(&op->resource[0], par->ld_ss1, 0x1000); | |
528 | if (par->lx_krn) | |
529 | of_iounmap(&op->resource[0], par->lx_krn, 0x1000); | |
530 | if (par->cursor) | |
e3a411a3 | 531 | of_iounmap(&op->resource[0], |
c7f439b9 DM |
532 | par->cursor, sizeof(struct leo_cursor)); |
533 | if (info->screen_base) | |
534 | of_iounmap(&op->resource[0], info->screen_base, 0x800000); | |
50312ce9 | 535 | } |
1da177e4 | 536 | |
738eca74 RR |
537 | static int __devinit leo_probe(struct of_device *op, |
538 | const struct of_device_id *match) | |
50312ce9 DM |
539 | { |
540 | struct device_node *dp = op->node; | |
c7f439b9 DM |
541 | struct fb_info *info; |
542 | struct leo_par *par; | |
50312ce9 | 543 | int linebytes, err; |
1da177e4 | 544 | |
c7f439b9 DM |
545 | info = framebuffer_alloc(sizeof(struct leo_par), &op->dev); |
546 | ||
547 | err = -ENOMEM; | |
548 | if (!info) | |
549 | goto out_err; | |
550 | par = info->par; | |
1da177e4 | 551 | |
c7f439b9 | 552 | spin_lock_init(&par->lock); |
1da177e4 | 553 | |
c7f439b9 DM |
554 | par->physbase = op->resource[0].start; |
555 | par->which_io = op->resource[0].flags & IORESOURCE_BITS; | |
1da177e4 | 556 | |
6cd5a86b | 557 | sbusfb_fill_var(&info->var, dp, 32); |
c7f439b9 | 558 | leo_fixup_var_rgb(&info->var); |
1da177e4 | 559 | |
50312ce9 | 560 | linebytes = of_getintprop_default(dp, "linebytes", |
c7f439b9 DM |
561 | info->var.xres); |
562 | par->fbsize = PAGE_ALIGN(linebytes * info->var.yres); | |
1da177e4 | 563 | |
c7f439b9 | 564 | par->lc_ss0_usr = |
50312ce9 DM |
565 | of_ioremap(&op->resource[0], LEO_OFF_LC_SS0_USR, |
566 | 0x1000, "leolc ss0usr"); | |
c7f439b9 | 567 | par->ld_ss0 = |
50312ce9 DM |
568 | of_ioremap(&op->resource[0], LEO_OFF_LD_SS0, |
569 | 0x1000, "leold ss0"); | |
c7f439b9 | 570 | par->ld_ss1 = |
50312ce9 DM |
571 | of_ioremap(&op->resource[0], LEO_OFF_LD_SS1, |
572 | 0x1000, "leold ss1"); | |
c7f439b9 | 573 | par->lx_krn = |
50312ce9 DM |
574 | of_ioremap(&op->resource[0], LEO_OFF_LX_KRN, |
575 | 0x1000, "leolx krn"); | |
c7f439b9 | 576 | par->cursor = |
50312ce9 DM |
577 | of_ioremap(&op->resource[0], LEO_OFF_LX_CURSOR, |
578 | sizeof(struct leo_cursor), "leolx cursor"); | |
c7f439b9 | 579 | info->screen_base = |
50312ce9 DM |
580 | of_ioremap(&op->resource[0], LEO_OFF_SS0, |
581 | 0x800000, "leo ram"); | |
c7f439b9 DM |
582 | if (!par->lc_ss0_usr || |
583 | !par->ld_ss0 || | |
584 | !par->ld_ss1 || | |
585 | !par->lx_krn || | |
586 | !par->cursor || | |
587 | !info->screen_base) | |
588 | goto out_unmap_regs; | |
1da177e4 | 589 | |
738eca74 | 590 | info->flags = FBINFO_DEFAULT; |
c7f439b9 | 591 | info->fbops = &leo_ops; |
738eca74 | 592 | info->pseudo_palette = par->clut_data; |
1da177e4 | 593 | |
c7f439b9 DM |
594 | leo_init_wids(info); |
595 | leo_init_hw(info); | |
1da177e4 | 596 | |
59f7137a | 597 | leo_blank(FB_BLANK_UNBLANK, info); |
1da177e4 | 598 | |
c7f439b9 DM |
599 | if (fb_alloc_cmap(&info->cmap, 256, 0)) |
600 | goto out_unmap_regs; | |
1da177e4 | 601 | |
c7f439b9 | 602 | leo_init_fix(info, dp); |
1da177e4 | 603 | |
c7f439b9 DM |
604 | err = register_framebuffer(info); |
605 | if (err < 0) | |
606 | goto out_dealloc_cmap; | |
1da177e4 | 607 | |
c7f439b9 | 608 | dev_set_drvdata(&op->dev, info); |
50312ce9 | 609 | |
194f1a68 | 610 | printk(KERN_INFO "%s: leo at %lx:%lx\n", |
50312ce9 | 611 | dp->full_name, |
c7f439b9 | 612 | par->which_io, par->physbase); |
1da177e4 | 613 | |
50312ce9 | 614 | return 0; |
1da177e4 | 615 | |
c7f439b9 DM |
616 | out_dealloc_cmap: |
617 | fb_dealloc_cmap(&info->cmap); | |
618 | ||
619 | out_unmap_regs: | |
620 | leo_unmap_regs(op, info, par); | |
621 | framebuffer_release(info); | |
1da177e4 | 622 | |
c7f439b9 DM |
623 | out_err: |
624 | return err; | |
50312ce9 | 625 | } |
1da177e4 | 626 | |
e3a411a3 | 627 | static int __devexit leo_remove(struct of_device *op) |
50312ce9 | 628 | { |
c7f439b9 DM |
629 | struct fb_info *info = dev_get_drvdata(&op->dev); |
630 | struct leo_par *par = info->par; | |
50312ce9 | 631 | |
c7f439b9 DM |
632 | unregister_framebuffer(info); |
633 | fb_dealloc_cmap(&info->cmap); | |
50312ce9 | 634 | |
c7f439b9 | 635 | leo_unmap_regs(op, info, par); |
50312ce9 | 636 | |
c7f439b9 | 637 | framebuffer_release(info); |
50312ce9 | 638 | |
e3a411a3 | 639 | dev_set_drvdata(&op->dev, NULL); |
1da177e4 LT |
640 | |
641 | return 0; | |
642 | } | |
643 | ||
50312ce9 DM |
644 | static struct of_device_id leo_match[] = { |
645 | { | |
738eca74 | 646 | .name = "SUNW,leo", |
50312ce9 DM |
647 | }, |
648 | {}, | |
649 | }; | |
650 | MODULE_DEVICE_TABLE(of, leo_match); | |
651 | ||
652 | static struct of_platform_driver leo_driver = { | |
653 | .name = "leo", | |
654 | .match_table = leo_match, | |
655 | .probe = leo_probe, | |
656 | .remove = __devexit_p(leo_remove), | |
657 | }; | |
1da177e4 | 658 | |
50312ce9 DM |
659 | static int __init leo_init(void) |
660 | { | |
661 | if (fb_get_options("leofb", NULL)) | |
662 | return -ENODEV; | |
1da177e4 | 663 | |
50312ce9 | 664 | return of_register_driver(&leo_driver, &of_bus_type); |
1da177e4 LT |
665 | } |
666 | ||
50312ce9 | 667 | static void __exit leo_exit(void) |
1da177e4 | 668 | { |
50312ce9 | 669 | of_unregister_driver(&leo_driver); |
1da177e4 LT |
670 | } |
671 | ||
672 | module_init(leo_init); | |
1da177e4 | 673 | module_exit(leo_exit); |
1da177e4 LT |
674 | |
675 | MODULE_DESCRIPTION("framebuffer driver for LEO chipsets"); | |
50312ce9 DM |
676 | MODULE_AUTHOR("David S. Miller <davem@davemloft.net>"); |
677 | MODULE_VERSION("2.0"); | |
1da177e4 | 678 | MODULE_LICENSE("GPL"); |