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1 | /* |
2 | * linux/drivers/video/ps3fb.c -- PS3 GPU frame buffer device |
3 | * |
4 | * Copyright (C) 2006 Sony Computer Entertainment Inc. |
5 | * Copyright 2006, 2007 Sony Corporation |
6 | * |
7 | * This file is based on : |
8 | * |
9 | * linux/drivers/video/vfb.c -- Virtual frame buffer device |
10 | * |
11 | * Copyright (C) 2002 James Simmons |
12 | * |
13 | * Copyright (C) 1997 Geert Uytterhoeven |
14 | * |
15 | * This file is subject to the terms and conditions of the GNU General Public |
16 | * License. See the file COPYING in the main directory of this archive for |
17 | * more details. |
18 | */ |
19 | |
20 | #include <linux/module.h> |
21 | #include <linux/kernel.h> |
22 | #include <linux/errno.h> |
23 | #include <linux/string.h> |
24 | #include <linux/mm.h> |
25 | #include <linux/interrupt.h> |
26 | #include <linux/console.h> |
27 | #include <linux/ioctl.h> |
28 | #include <linux/kthread.h> |
29 | #include <linux/freezer.h> |
30 | #include <linux/uaccess.h> |
31 | #include <linux/fb.h> |
32 | #include <linux/init.h> |
33 | |
34 | #include <asm/cell-regs.h> |
35 | #include <asm/lv1call.h> |
36 | #include <asm/ps3av.h> |
37 | #include <asm/ps3fb.h> |
38 | #include <asm/ps3.h> |
39 | #include <asm/ps3gpu.h> |
40 | |
41 | |
42 | #define DEVICE_NAME "ps3fb" |
43 | |
44 | #define GPU_CMD_BUF_SIZE (2 * 1024 * 1024) |
45 | #define GPU_FB_START (64 * 1024) |
46 | #define GPU_IOIF (0x0d000000UL) |
47 | #define GPU_ALIGN_UP(x) _ALIGN_UP((x), 64) |
48 | #define GPU_MAX_LINE_LENGTH (65536 - 64) |
49 | |
50 | #define GPU_INTR_STATUS_VSYNC_0 0 /* vsync on head A */ |
51 | #define GPU_INTR_STATUS_VSYNC_1 1 /* vsync on head B */ |
52 | #define GPU_INTR_STATUS_FLIP_0 3 /* flip head A */ |
53 | #define GPU_INTR_STATUS_FLIP_1 4 /* flip head B */ |
54 | #define GPU_INTR_STATUS_QUEUE_0 5 /* queue head A */ |
55 | #define GPU_INTR_STATUS_QUEUE_1 6 /* queue head B */ |
56 | |
57 | #define GPU_DRIVER_INFO_VERSION 0x211 |
58 | |
59 | /* gpu internals */ |
60 | struct display_head { |
61 | u64 be_time_stamp; |
62 | u32 status; |
63 | u32 offset; |
64 | u32 res1; |
65 | u32 res2; |
66 | u32 field; |
67 | u32 reserved1; |
68 | |
69 | u64 res3; |
70 | u32 raster; |
71 | |
72 | u64 vblank_count; |
73 | u32 field_vsync; |
74 | u32 reserved2; |
75 | }; |
76 | |
77 | struct gpu_irq { |
78 | u32 irq_outlet; |
79 | u32 status; |
80 | u32 mask; |
81 | u32 video_cause; |
82 | u32 graph_cause; |
83 | u32 user_cause; |
84 | |
85 | u32 res1; |
86 | u64 res2; |
87 | |
88 | u32 reserved[4]; |
89 | }; |
90 | |
91 | struct gpu_driver_info { |
92 | u32 version_driver; |
93 | u32 version_gpu; |
94 | u32 memory_size; |
95 | u32 hardware_channel; |
96 | |
97 | u32 nvcore_frequency; |
98 | u32 memory_frequency; |
99 | |
100 | u32 reserved[1063]; |
101 | struct display_head display_head[8]; |
102 | struct gpu_irq irq; |
103 | }; |
104 | |
105 | struct ps3fb_priv { |
106 | unsigned int irq_no; |
107 | |
108 | u64 context_handle, memory_handle; |
109 | struct gpu_driver_info *dinfo; |
110 | |
111 | u64 vblank_count; /* frame count */ |
112 | wait_queue_head_t wait_vsync; |
113 | |
114 | atomic_t ext_flip; /* on/off flip with vsync */ |
115 | atomic_t f_count; /* fb_open count */ |
116 | int is_blanked; |
117 | int is_kicked; |
118 | struct task_struct *task; |
119 | }; |
120 | static struct ps3fb_priv ps3fb; |
121 | |
122 | struct ps3fb_par { |
123 | u32 pseudo_palette[16]; |
124 | int mode_id, new_mode_id; |
125 | unsigned int num_frames; /* num of frame buffers */ |
126 | unsigned int width; |
127 | unsigned int height; |
128 | unsigned int ddr_line_length; |
129 | unsigned int ddr_frame_size; |
130 | unsigned int xdr_frame_size; |
131 | unsigned int full_offset; /* start of fullscreen DDR fb */ |
132 | unsigned int fb_offset; /* start of actual DDR fb */ |
133 | unsigned int pan_offset; |
134 | }; |
135 | |
136 | |
137 | #define FIRST_NATIVE_MODE_INDEX 10 |
138 | |
139 | static const struct fb_videomode ps3fb_modedb[] = { |
140 | /* 60 Hz broadcast modes (modes "1" to "5") */ |
141 | { |
142 | /* 480i */ |
143 | "480i", 60, 576, 384, 74074, 130, 89, 78, 57, 63, 6, |
144 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED |
145 | }, { |
146 | /* 480p */ |
147 | "480p", 60, 576, 384, 37037, 130, 89, 78, 57, 63, 6, |
148 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED |
149 | }, { |
150 | /* 720p */ |
151 | "720p", 60, 1124, 644, 13481, 298, 148, 57, 44, 80, 5, |
152 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED |
153 | }, { |
154 | /* 1080i */ |
155 | "1080i", 60, 1688, 964, 13481, 264, 160, 94, 62, 88, 5, |
156 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED |
157 | }, { |
158 | /* 1080p */ |
159 | "1080p", 60, 1688, 964, 6741, 264, 160, 94, 62, 88, 5, |
160 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED |
161 | }, |
162 | |
163 | /* 50 Hz broadcast modes (modes "6" to "10") */ |
164 | { |
165 | /* 576i */ |
166 | "576i", 50, 576, 460, 74074, 142, 83, 97, 63, 63, 5, |
167 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED |
168 | }, { |
169 | /* 576p */ |
170 | "576p", 50, 576, 460, 37037, 142, 83, 97, 63, 63, 5, |
171 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED |
172 | }, { |
173 | /* 720p */ |
174 | "720p", 50, 1124, 644, 13468, 298, 478, 57, 44, 80, 5, |
175 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED |
176 | }, { |
177 | /* 1080i */ |
178 | "1080i", 50, 1688, 964, 13468, 264, 600, 94, 62, 88, 5, |
179 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED |
180 | }, { |
181 | /* 1080p */ |
182 | "1080p", 50, 1688, 964, 6734, 264, 600, 94, 62, 88, 5, |
183 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED |
184 | }, |
185 | |
186 | [FIRST_NATIVE_MODE_INDEX] = |
187 | /* 60 Hz broadcast modes (full resolution versions of modes "1" to "5") */ |
188 | { |
189 | /* 480if */ |
190 | "480if", 60, 720, 480, 74074, 58, 17, 30, 9, 63, 6, |
191 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED |
192 | }, { |
193 | /* 480pf */ |
194 | "480pf", 60, 720, 480, 37037, 58, 17, 30, 9, 63, 6, |
195 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED |
196 | }, { |
197 | /* 720pf */ |
198 | "720pf", 60, 1280, 720, 13481, 220, 70, 19, 6, 80, 5, |
199 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED |
200 | }, { |
201 | /* 1080if */ |
202 | "1080if", 60, 1920, 1080, 13481, 148, 44, 36, 4, 88, 5, |
203 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED |
204 | }, { |
205 | /* 1080pf */ |
206 | "1080pf", 60, 1920, 1080, 6741, 148, 44, 36, 4, 88, 5, |
207 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED |
208 | }, |
209 | |
210 | /* 50 Hz broadcast modes (full resolution versions of modes "6" to "10") */ |
211 | { |
212 | /* 576if */ |
213 | "576if", 50, 720, 576, 74074, 70, 11, 39, 5, 63, 5, |
214 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED |
215 | }, { |
216 | /* 576pf */ |
217 | "576pf", 50, 720, 576, 37037, 70, 11, 39, 5, 63, 5, |
218 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED |
219 | }, { |
220 | /* 720pf */ |
221 | "720pf", 50, 1280, 720, 13468, 220, 400, 19, 6, 80, 5, |
222 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED |
223 | }, { |
224 | /* 1080if */ |
225 | "1080if", 50, 1920, 1080, 13468, 148, 484, 36, 4, 88, 5, |
226 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED |
227 | }, { |
228 | /* 1080pf */ |
229 | "1080pf", 50, 1920, 1080, 6734, 148, 484, 36, 4, 88, 5, |
230 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED |
231 | }, |
232 | |
233 | /* VESA modes (modes "11" to "13") */ |
234 | { |
235 | /* WXGA */ |
236 | "wxga", 60, 1280, 768, 12924, 160, 24, 29, 3, 136, 6, |
237 | 0, FB_VMODE_NONINTERLACED, |
238 | FB_MODE_IS_VESA |
239 | }, { |
240 | /* SXGA */ |
241 | "sxga", 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3, |
242 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, |
243 | FB_MODE_IS_VESA |
244 | }, { |
245 | /* WUXGA */ |
246 | "wuxga", 60, 1920, 1200, 6494, 80, 48, 26, 3, 32, 6, |
247 | FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED, |
248 | FB_MODE_IS_VESA |
249 | } |
250 | }; |
251 | |
252 | |
253 | #define HEAD_A |
254 | #define HEAD_B |
255 | |
256 | #define BPP 4 /* number of bytes per pixel */ |
257 | |
258 | |
259 | static int ps3fb_mode; |
260 | module_param(ps3fb_mode, int, 0); |
261 | |
262 | static char *mode_option; |
263 | |
264 | static int ps3fb_cmp_mode(const struct fb_videomode *vmode, |
265 | const struct fb_var_screeninfo *var) |
266 | { |
267 | long xres, yres, left_margin, right_margin, upper_margin, lower_margin; |
268 | long dx, dy; |
269 | |
270 | /* maximum values */ |
271 | if (var->xres > vmode->xres || var->yres > vmode->yres || |
272 | var->pixclock > vmode->pixclock || |
273 | var->hsync_len > vmode->hsync_len || |
274 | var->vsync_len > vmode->vsync_len) |
275 | return -1; |
276 | |
277 | /* progressive/interlaced must match */ |
278 | if ((var->vmode & FB_VMODE_MASK) != vmode->vmode) |
279 | return -1; |
280 | |
281 | /* minimum resolution */ |
282 | xres = max(var->xres, 1U); |
283 | yres = max(var->yres, 1U); |
284 | |
285 | /* minimum margins */ |
286 | left_margin = max(var->left_margin, vmode->left_margin); |
287 | right_margin = max(var->right_margin, vmode->right_margin); |
288 | upper_margin = max(var->upper_margin, vmode->upper_margin); |
289 | lower_margin = max(var->lower_margin, vmode->lower_margin); |
290 | |
291 | /* resolution + margins may not exceed native parameters */ |
292 | dx = ((long)vmode->left_margin + (long)vmode->xres + |
293 | (long)vmode->right_margin) - |
294 | (left_margin + xres + right_margin); |
295 | if (dx < 0) |
296 | return -1; |
297 | |
298 | dy = ((long)vmode->upper_margin + (long)vmode->yres + |
299 | (long)vmode->lower_margin) - |
300 | (upper_margin + yres + lower_margin); |
301 | if (dy < 0) |
302 | return -1; |
303 | |
304 | /* exact match */ |
305 | if (!dx && !dy) |
306 | return 0; |
307 | |
308 | /* resolution difference */ |
309 | return (vmode->xres - xres) * (vmode->yres - yres); |
310 | } |
311 | |
312 | static const struct fb_videomode *ps3fb_native_vmode(enum ps3av_mode_num id) |
313 | { |
314 | return &ps3fb_modedb[FIRST_NATIVE_MODE_INDEX + id - 1]; |
315 | } |
316 | |
317 | static const struct fb_videomode *ps3fb_vmode(int id) |
318 | { |
319 | u32 mode = id & PS3AV_MODE_MASK; |
320 | |
321 | if (mode < PS3AV_MODE_480I || mode > PS3AV_MODE_WUXGA) |
322 | return NULL; |
323 | |
324 | if (mode <= PS3AV_MODE_1080P50 && !(id & PS3AV_MODE_FULL)) { |
325 | /* Non-fullscreen broadcast mode */ |
326 | return &ps3fb_modedb[mode - 1]; |
327 | } |
328 | |
329 | return ps3fb_native_vmode(mode); |
330 | } |
331 | |
332 | static unsigned int ps3fb_find_mode(struct fb_var_screeninfo *var, |
333 | u32 *ddr_line_length, u32 *xdr_line_length) |
334 | { |
335 | unsigned int id, best_id; |
336 | int diff, best_diff; |
337 | const struct fb_videomode *vmode; |
338 | long gap; |
339 | |
340 | best_id = 0; |
341 | best_diff = INT_MAX; |
342 | pr_debug("%s: wanted %u [%u] %u x %u [%u] %u\n", __func__, |
343 | var->left_margin, var->xres, var->right_margin, |
344 | var->upper_margin, var->yres, var->lower_margin); |
345 | for (id = PS3AV_MODE_480I; id <= PS3AV_MODE_WUXGA; id++) { |
346 | vmode = ps3fb_native_vmode(id); |
347 | diff = ps3fb_cmp_mode(vmode, var); |
348 | pr_debug("%s: mode %u: %u [%u] %u x %u [%u] %u: diff = %d\n", |
349 | __func__, id, vmode->left_margin, vmode->xres, |
350 | vmode->right_margin, vmode->upper_margin, |
351 | vmode->yres, vmode->lower_margin, diff); |
352 | if (diff < 0) |
353 | continue; |
354 | if (diff < best_diff) { |
355 | best_id = id; |
356 | if (!diff) |
357 | break; |
358 | best_diff = diff; |
359 | } |
360 | } |
361 | |
362 | if (!best_id) { |
363 | pr_debug("%s: no suitable mode found\n", __func__); |
364 | return 0; |
365 | } |
366 | |
367 | id = best_id; |
368 | vmode = ps3fb_native_vmode(id); |
369 | |
370 | *ddr_line_length = vmode->xres * BPP; |
371 | |
372 | /* minimum resolution */ |
373 | if (!var->xres) |
374 | var->xres = 1; |
375 | if (!var->yres) |
376 | var->yres = 1; |
377 | |
378 | /* minimum virtual resolution */ |
379 | if (var->xres_virtual < var->xres) |
380 | var->xres_virtual = var->xres; |
381 | if (var->yres_virtual < var->yres) |
382 | var->yres_virtual = var->yres; |
383 | |
384 | /* minimum margins */ |
385 | if (var->left_margin < vmode->left_margin) |
386 | var->left_margin = vmode->left_margin; |
387 | if (var->right_margin < vmode->right_margin) |
388 | var->right_margin = vmode->right_margin; |
389 | if (var->upper_margin < vmode->upper_margin) |
390 | var->upper_margin = vmode->upper_margin; |
391 | if (var->lower_margin < vmode->lower_margin) |
392 | var->lower_margin = vmode->lower_margin; |
393 | |
394 | /* extra margins */ |
395 | gap = ((long)vmode->left_margin + (long)vmode->xres + |
396 | (long)vmode->right_margin) - |
397 | ((long)var->left_margin + (long)var->xres + |
398 | (long)var->right_margin); |
399 | if (gap > 0) { |
400 | var->left_margin += gap/2; |
401 | var->right_margin += (gap+1)/2; |
402 | pr_debug("%s: rounded up H to %u [%u] %u\n", __func__, |
403 | var->left_margin, var->xres, var->right_margin); |
404 | } |
405 | |
406 | gap = ((long)vmode->upper_margin + (long)vmode->yres + |
407 | (long)vmode->lower_margin) - |
408 | ((long)var->upper_margin + (long)var->yres + |
409 | (long)var->lower_margin); |
410 | if (gap > 0) { |
411 | var->upper_margin += gap/2; |
412 | var->lower_margin += (gap+1)/2; |
413 | pr_debug("%s: rounded up V to %u [%u] %u\n", __func__, |
414 | var->upper_margin, var->yres, var->lower_margin); |
415 | } |
416 | |
417 | /* fixed fields */ |
418 | var->pixclock = vmode->pixclock; |
419 | var->hsync_len = vmode->hsync_len; |
420 | var->vsync_len = vmode->vsync_len; |
421 | var->sync = vmode->sync; |
422 | |
423 | if (ps3_compare_firmware_version(1, 9, 0) >= 0) { |
424 | *xdr_line_length = GPU_ALIGN_UP(var->xres_virtual * BPP); |
425 | if (*xdr_line_length > GPU_MAX_LINE_LENGTH) |
426 | *xdr_line_length = GPU_MAX_LINE_LENGTH; |
427 | } else |
428 | *xdr_line_length = *ddr_line_length; |
429 | |
430 | if (vmode->sync & FB_SYNC_BROADCAST) { |
431 | /* Full broadcast modes have the full mode bit set */ |
432 | if (vmode->xres == var->xres && vmode->yres == var->yres) |
433 | id |= PS3AV_MODE_FULL; |
434 | } |
435 | |
436 | pr_debug("%s: mode %u\n", __func__, id); |
437 | return id; |
438 | } |
439 | |
440 | static void ps3fb_sync_image(struct device *dev, u64 frame_offset, |
441 | u64 dst_offset, u64 src_offset, u32 width, |
442 | u32 height, u32 dst_line_length, |
443 | u32 src_line_length) |
444 | { |
445 | int status; |
446 | u64 line_length; |
447 | |
448 | line_length = dst_line_length; |
449 | if (src_line_length != dst_line_length) |
450 | line_length |= (u64)src_line_length << 32; |
451 | |
452 | src_offset += GPU_FB_START; |
453 | |
454 | mutex_lock(&ps3_gpu_mutex); |
455 | status = lv1_gpu_fb_blit(ps3fb.context_handle, dst_offset, |
456 | GPU_IOIF + src_offset, |
457 | L1GPU_FB_BLIT_WAIT_FOR_COMPLETION | |
458 | (width << 16) | height, |
459 | line_length); |
460 | mutex_unlock(&ps3_gpu_mutex); |
461 | |
462 | if (status) |
463 | dev_err(dev, "%s: lv1_gpu_fb_blit failed: %d\n", __func__, |
464 | status); |
465 | #ifdef HEAD_A |
466 | status = lv1_gpu_display_flip(ps3fb.context_handle, 0, frame_offset); |
467 | if (status) |
468 | dev_err(dev, "%s: lv1_gpu_display_flip failed: %d\n", __func__, |
469 | status); |
470 | #endif |
471 | #ifdef HEAD_B |
472 | status = lv1_gpu_display_flip(ps3fb.context_handle, 1, frame_offset); |
473 | if (status) |
474 | dev_err(dev, "%s: lv1_gpu_display_flip failed: %d\n", __func__, |
475 | status); |
476 | #endif |
477 | } |
478 | |
479 | static int ps3fb_sync(struct fb_info *info, u32 frame) |
480 | { |
481 | struct ps3fb_par *par = info->par; |
482 | int error = 0; |
483 | u64 ddr_base, xdr_base; |
484 | |
485 | if (frame > par->num_frames - 1) { |
486 | dev_dbg(info->device, "%s: invalid frame number (%u)\n", |
487 | __func__, frame); |
488 | error = -EINVAL; |
489 | goto out; |
490 | } |
491 | |
492 | xdr_base = frame * par->xdr_frame_size; |
493 | ddr_base = frame * par->ddr_frame_size; |
494 | |
495 | ps3fb_sync_image(info->device, ddr_base + par->full_offset, |
496 | ddr_base + par->fb_offset, xdr_base + par->pan_offset, |
497 | par->width, par->height, par->ddr_line_length, |
498 | info->fix.line_length); |
499 | |
500 | out: |
501 | return error; |
502 | } |
503 | |
504 | static int ps3fb_open(struct fb_info *info, int user) |
505 | { |
506 | atomic_inc(&ps3fb.f_count); |
507 | return 0; |
508 | } |
509 | |
510 | static int ps3fb_release(struct fb_info *info, int user) |
511 | { |
512 | if (atomic_dec_and_test(&ps3fb.f_count)) { |
513 | if (atomic_read(&ps3fb.ext_flip)) { |
514 | atomic_set(&ps3fb.ext_flip, 0); |
515 | if (console_trylock()) { |
516 | ps3fb_sync(info, 0); /* single buffer */ |
517 | console_unlock(); |
518 | } |
519 | } |
520 | } |
521 | return 0; |
522 | } |
523 | |
524 | /* |
525 | * Setting the video mode has been split into two parts. |
526 | * First part, xxxfb_check_var, must not write anything |
527 | * to hardware, it should only verify and adjust var. |
528 | * This means it doesn't alter par but it does use hardware |
529 | * data from it to check this var. |
530 | */ |
531 | |
532 | static int ps3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) |
533 | { |
534 | u32 xdr_line_length, ddr_line_length; |
535 | int mode; |
536 | |
537 | mode = ps3fb_find_mode(var, &ddr_line_length, &xdr_line_length); |
538 | if (!mode) |
539 | return -EINVAL; |
540 | |
541 | /* Virtual screen */ |
542 | if (var->xres_virtual > xdr_line_length / BPP) { |
543 | dev_dbg(info->device, |
544 | "Horizontal virtual screen size too large\n"); |
545 | return -EINVAL; |
546 | } |
547 | |
548 | if (var->xoffset + var->xres > var->xres_virtual || |
549 | var->yoffset + var->yres > var->yres_virtual) { |
550 | dev_dbg(info->device, "panning out-of-range\n"); |
551 | return -EINVAL; |
552 | } |
553 | |
554 | /* We support ARGB8888 only */ |
555 | if (var->bits_per_pixel > 32 || var->grayscale || |
556 | var->red.offset > 16 || var->green.offset > 8 || |
557 | var->blue.offset > 0 || var->transp.offset > 24 || |
558 | var->red.length > 8 || var->green.length > 8 || |
559 | var->blue.length > 8 || var->transp.length > 8 || |
560 | var->red.msb_right || var->green.msb_right || |
561 | var->blue.msb_right || var->transp.msb_right || var->nonstd) { |
562 | dev_dbg(info->device, "We support ARGB8888 only\n"); |
563 | return -EINVAL; |
564 | } |
565 | |
566 | var->bits_per_pixel = 32; |
567 | var->red.offset = 16; |
568 | var->green.offset = 8; |
569 | var->blue.offset = 0; |
570 | var->transp.offset = 24; |
571 | var->red.length = 8; |
572 | var->green.length = 8; |
573 | var->blue.length = 8; |
574 | var->transp.length = 8; |
575 | var->red.msb_right = 0; |
576 | var->green.msb_right = 0; |
577 | var->blue.msb_right = 0; |
578 | var->transp.msb_right = 0; |
579 | |
580 | /* Rotation is not supported */ |
581 | if (var->rotate) { |
582 | dev_dbg(info->device, "Rotation is not supported\n"); |
583 | return -EINVAL; |
584 | } |
585 | |
586 | /* Memory limit */ |
587 | if (var->yres_virtual * xdr_line_length > info->fix.smem_len) { |
588 | dev_dbg(info->device, "Not enough memory\n"); |
589 | return -ENOMEM; |
590 | } |
591 | |
592 | var->height = -1; |
593 | var->width = -1; |
594 | |
595 | return 0; |
596 | } |
597 | |
598 | /* |
599 | * This routine actually sets the video mode. |
600 | */ |
601 | |
602 | static int ps3fb_set_par(struct fb_info *info) |
603 | { |
604 | struct ps3fb_par *par = info->par; |
605 | unsigned int mode, ddr_line_length, xdr_line_length, lines, maxlines; |
606 | unsigned int ddr_xoff, ddr_yoff, offset; |
607 | const struct fb_videomode *vmode; |
608 | u64 dst; |
609 | |
610 | mode = ps3fb_find_mode(&info->var, &ddr_line_length, &xdr_line_length); |
611 | if (!mode) |
612 | return -EINVAL; |
613 | |
614 | vmode = ps3fb_native_vmode(mode & PS3AV_MODE_MASK); |
615 | |
616 | info->fix.xpanstep = info->var.xres_virtual > info->var.xres ? 1 : 0; |
617 | info->fix.ypanstep = info->var.yres_virtual > info->var.yres ? 1 : 0; |
618 | info->fix.line_length = xdr_line_length; |
619 | |
620 | par->ddr_line_length = ddr_line_length; |
621 | par->ddr_frame_size = vmode->yres * ddr_line_length; |
622 | par->xdr_frame_size = info->var.yres_virtual * xdr_line_length; |
623 | |
624 | par->num_frames = info->fix.smem_len / |
625 | max(par->ddr_frame_size, par->xdr_frame_size); |
626 | |
627 | /* Keep the special bits we cannot set using fb_var_screeninfo */ |
628 | par->new_mode_id = (par->new_mode_id & ~PS3AV_MODE_MASK) | mode; |
629 | |
630 | par->width = info->var.xres; |
631 | par->height = info->var.yres; |
632 | |
633 | /* Start of the virtual frame buffer (relative to fullscreen) */ |
634 | ddr_xoff = info->var.left_margin - vmode->left_margin; |
635 | ddr_yoff = info->var.upper_margin - vmode->upper_margin; |
636 | offset = ddr_yoff * ddr_line_length + ddr_xoff * BPP; |
637 | |
638 | par->fb_offset = GPU_ALIGN_UP(offset); |
639 | par->full_offset = par->fb_offset - offset; |
640 | par->pan_offset = info->var.yoffset * xdr_line_length + |
641 | info->var.xoffset * BPP; |
642 | |
643 | if (par->new_mode_id != par->mode_id) { |
644 | if (ps3av_set_video_mode(par->new_mode_id)) { |
645 | par->new_mode_id = par->mode_id; |
646 | return -EINVAL; |
647 | } |
648 | par->mode_id = par->new_mode_id; |
649 | } |
650 | |
651 | /* Clear XDR frame buffer memory */ |
652 | memset((void __force *)info->screen_base, 0, info->fix.smem_len); |
653 | |
654 | /* Clear DDR frame buffer memory */ |
655 | lines = vmode->yres * par->num_frames; |
656 | if (par->full_offset) |
657 | lines++; |
658 | maxlines = info->fix.smem_len / ddr_line_length; |
659 | for (dst = 0; lines; dst += maxlines * ddr_line_length) { |
660 | unsigned int l = min(lines, maxlines); |
661 | ps3fb_sync_image(info->device, 0, dst, 0, vmode->xres, l, |
662 | ddr_line_length, ddr_line_length); |
663 | lines -= l; |
664 | } |
665 | |
666 | return 0; |
667 | } |
668 | |
669 | /* |
670 | * Set a single color register. The values supplied are already |
671 | * rounded down to the hardware's capabilities (according to the |
672 | * entries in the var structure). Return != 0 for invalid regno. |
673 | */ |
674 | |
675 | static int ps3fb_setcolreg(unsigned int regno, unsigned int red, |
676 | unsigned int green, unsigned int blue, |
677 | unsigned int transp, struct fb_info *info) |
678 | { |
679 | if (regno >= 16) |
680 | return 1; |
681 | |
682 | red >>= 8; |
683 | green >>= 8; |
684 | blue >>= 8; |
685 | transp >>= 8; |
686 | |
687 | ((u32 *)info->pseudo_palette)[regno] = transp << 24 | red << 16 | |
688 | green << 8 | blue; |
689 | return 0; |
690 | } |
691 | |
692 | static int ps3fb_pan_display(struct fb_var_screeninfo *var, |
693 | struct fb_info *info) |
694 | { |
695 | struct ps3fb_par *par = info->par; |
696 | |
697 | par->pan_offset = var->yoffset * info->fix.line_length + |
698 | var->xoffset * BPP; |
699 | return 0; |
700 | } |
701 | |
702 | /* |
703 | * As we have a virtual frame buffer, we need our own mmap function |
704 | */ |
705 | |
706 | static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma) |
707 | { |
708 | unsigned long size, offset; |
709 | |
710 | size = vma->vm_end - vma->vm_start; |
711 | offset = vma->vm_pgoff << PAGE_SHIFT; |
712 | if (offset + size > info->fix.smem_len) |
713 | return -EINVAL; |
714 | |
715 | offset += info->fix.smem_start; |
716 | if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT, |
717 | size, vma->vm_page_prot)) |
718 | return -EAGAIN; |
719 | |
720 | dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n", |
721 | offset, vma->vm_start); |
722 | return 0; |
723 | } |
724 | |
725 | /* |
726 | * Blank the display |
727 | */ |
728 | |
729 | static int ps3fb_blank(int blank, struct fb_info *info) |
730 | { |
731 | int retval; |
732 | |
733 | dev_dbg(info->device, "%s: blank:%d\n", __func__, blank); |
734 | switch (blank) { |
735 | case FB_BLANK_POWERDOWN: |
736 | case FB_BLANK_HSYNC_SUSPEND: |
737 | case FB_BLANK_VSYNC_SUSPEND: |
738 | case FB_BLANK_NORMAL: |
739 | retval = ps3av_video_mute(1); /* mute on */ |
740 | if (!retval) |
741 | ps3fb.is_blanked = 1; |
742 | break; |
743 | |
744 | default: /* unblank */ |
745 | retval = ps3av_video_mute(0); /* mute off */ |
746 | if (!retval) |
747 | ps3fb.is_blanked = 0; |
748 | break; |
749 | } |
750 | return retval; |
751 | } |
752 | |
753 | static int ps3fb_get_vblank(struct fb_vblank *vblank) |
754 | { |
755 | memset(vblank, 0, sizeof(*vblank)); |
756 | vblank->flags = FB_VBLANK_HAVE_VSYNC; |
757 | return 0; |
758 | } |
759 | |
760 | static int ps3fb_wait_for_vsync(u32 crtc) |
761 | { |
762 | int ret; |
763 | u64 count; |
764 | |
765 | count = ps3fb.vblank_count; |
766 | ret = wait_event_interruptible_timeout(ps3fb.wait_vsync, |
767 | count != ps3fb.vblank_count, |
768 | HZ / 10); |
769 | if (!ret) |
770 | return -ETIMEDOUT; |
771 | |
772 | return 0; |
773 | } |
774 | |
775 | |
776 | /* |
777 | * ioctl |
778 | */ |
779 | |
780 | static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd, |
781 | unsigned long arg) |
782 | { |
783 | void __user *argp = (void __user *)arg; |
784 | u32 val; |
785 | int retval = -EFAULT; |
786 | |
787 | switch (cmd) { |
788 | case FBIOGET_VBLANK: |
789 | { |
790 | struct fb_vblank vblank; |
791 | dev_dbg(info->device, "FBIOGET_VBLANK:\n"); |
792 | retval = ps3fb_get_vblank(&vblank); |
793 | if (retval) |
794 | break; |
795 | |
796 | if (copy_to_user(argp, &vblank, sizeof(vblank))) |
797 | retval = -EFAULT; |
798 | break; |
799 | } |
800 | |
801 | case FBIO_WAITFORVSYNC: |
802 | { |
803 | u32 crt; |
804 | dev_dbg(info->device, "FBIO_WAITFORVSYNC:\n"); |
805 | if (get_user(crt, (u32 __user *) arg)) |
806 | break; |
807 | |
808 | retval = ps3fb_wait_for_vsync(crt); |
809 | break; |
810 | } |
811 | |
812 | case PS3FB_IOCTL_SETMODE: |
813 | { |
814 | struct ps3fb_par *par = info->par; |
815 | const struct fb_videomode *vmode; |
816 | struct fb_var_screeninfo var; |
817 | |
818 | if (copy_from_user(&val, argp, sizeof(val))) |
819 | break; |
820 | |
821 | if (!(val & PS3AV_MODE_MASK)) { |
822 | u32 id = ps3av_get_auto_mode(); |
823 | if (id > 0) |
824 | val = (val & ~PS3AV_MODE_MASK) | id; |
825 | } |
826 | dev_dbg(info->device, "PS3FB_IOCTL_SETMODE:%x\n", val); |
827 | retval = -EINVAL; |
828 | vmode = ps3fb_vmode(val); |
829 | if (vmode) { |
830 | var = info->var; |
831 | fb_videomode_to_var(&var, vmode); |
832 | console_lock(); |
833 | info->flags |= FBINFO_MISC_USEREVENT; |
834 | /* Force, in case only special bits changed */ |
835 | var.activate |= FB_ACTIVATE_FORCE; |
836 | par->new_mode_id = val; |
837 | retval = fb_set_var(info, &var); |
838 | info->flags &= ~FBINFO_MISC_USEREVENT; |
839 | console_unlock(); |
840 | } |
841 | break; |
842 | } |
843 | |
844 | case PS3FB_IOCTL_GETMODE: |
845 | val = ps3av_get_mode(); |
846 | dev_dbg(info->device, "PS3FB_IOCTL_GETMODE:%x\n", val); |
847 | if (!copy_to_user(argp, &val, sizeof(val))) |
848 | retval = 0; |
849 | break; |
850 | |
851 | case PS3FB_IOCTL_SCREENINFO: |
852 | { |
853 | struct ps3fb_par *par = info->par; |
854 | struct ps3fb_ioctl_res res; |
855 | dev_dbg(info->device, "PS3FB_IOCTL_SCREENINFO:\n"); |
856 | res.xres = info->fix.line_length / BPP; |
857 | res.yres = info->var.yres_virtual; |
858 | res.xoff = (res.xres - info->var.xres) / 2; |
859 | res.yoff = (res.yres - info->var.yres) / 2; |
860 | res.num_frames = par->num_frames; |
861 | if (!copy_to_user(argp, &res, sizeof(res))) |
862 | retval = 0; |
863 | break; |
864 | } |
865 | |
866 | case PS3FB_IOCTL_ON: |
867 | dev_dbg(info->device, "PS3FB_IOCTL_ON:\n"); |
868 | atomic_inc(&ps3fb.ext_flip); |
869 | retval = 0; |
870 | break; |
871 | |
872 | case PS3FB_IOCTL_OFF: |
873 | dev_dbg(info->device, "PS3FB_IOCTL_OFF:\n"); |
874 | atomic_dec_if_positive(&ps3fb.ext_flip); |
875 | retval = 0; |
876 | break; |
877 | |
878 | case PS3FB_IOCTL_FSEL: |
879 | if (copy_from_user(&val, argp, sizeof(val))) |
880 | break; |
881 | |
882 | dev_dbg(info->device, "PS3FB_IOCTL_FSEL:%d\n", val); |
883 | console_lock(); |
884 | retval = ps3fb_sync(info, val); |
885 | console_unlock(); |
886 | break; |
887 | |
888 | default: |
889 | retval = -ENOIOCTLCMD; |
890 | break; |
891 | } |
892 | return retval; |
893 | } |
894 | |
895 | static int ps3fbd(void *arg) |
896 | { |
897 | struct fb_info *info = arg; |
898 | |
899 | set_freezable(); |
900 | while (!kthread_should_stop()) { |
901 | try_to_freeze(); |
902 | set_current_state(TASK_INTERRUPTIBLE); |
903 | if (ps3fb.is_kicked) { |
904 | ps3fb.is_kicked = 0; |
905 | console_lock(); |
906 | ps3fb_sync(info, 0); /* single buffer */ |
907 | console_unlock(); |
908 | } |
909 | schedule(); |
910 | } |
911 | return 0; |
912 | } |
913 | |
914 | static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr) |
915 | { |
916 | struct device *dev = ptr; |
917 | u64 v1; |
918 | int status; |
919 | struct display_head *head = &ps3fb.dinfo->display_head[1]; |
920 | |
921 | status = lv1_gpu_context_intr(ps3fb.context_handle, &v1); |
922 | if (status) { |
923 | dev_err(dev, "%s: lv1_gpu_context_intr failed: %d\n", __func__, |
924 | status); |
925 | return IRQ_NONE; |
926 | } |
927 | |
928 | if (v1 & (1 << GPU_INTR_STATUS_VSYNC_1)) { |
929 | /* VSYNC */ |
930 | ps3fb.vblank_count = head->vblank_count; |
931 | if (ps3fb.task && !ps3fb.is_blanked && |
932 | !atomic_read(&ps3fb.ext_flip)) { |
933 | ps3fb.is_kicked = 1; |
934 | wake_up_process(ps3fb.task); |
935 | } |
936 | wake_up_interruptible(&ps3fb.wait_vsync); |
937 | } |
938 | |
939 | return IRQ_HANDLED; |
940 | } |
941 | |
942 | |
943 | static struct fb_ops ps3fb_ops = { |
944 | .fb_open = ps3fb_open, |
945 | .fb_release = ps3fb_release, |
946 | .fb_read = fb_sys_read, |
947 | .fb_write = fb_sys_write, |
948 | .fb_check_var = ps3fb_check_var, |
949 | .fb_set_par = ps3fb_set_par, |
950 | .fb_setcolreg = ps3fb_setcolreg, |
951 | .fb_pan_display = ps3fb_pan_display, |
952 | .fb_fillrect = sys_fillrect, |
953 | .fb_copyarea = sys_copyarea, |
954 | .fb_imageblit = sys_imageblit, |
955 | .fb_mmap = ps3fb_mmap, |
956 | .fb_blank = ps3fb_blank, |
957 | .fb_ioctl = ps3fb_ioctl, |
958 | .fb_compat_ioctl = ps3fb_ioctl |
959 | }; |
960 | |
961 | static struct fb_fix_screeninfo ps3fb_fix __initdata = { |
962 | .id = DEVICE_NAME, |
963 | .type = FB_TYPE_PACKED_PIXELS, |
964 | .visual = FB_VISUAL_TRUECOLOR, |
965 | .accel = FB_ACCEL_NONE, |
966 | }; |
967 | |
968 | static int ps3fb_probe(struct ps3_system_bus_device *dev) |
969 | { |
970 | struct fb_info *info; |
971 | struct ps3fb_par *par; |
972 | int retval; |
973 | u64 ddr_lpar = 0; |
974 | u64 lpar_dma_control = 0; |
975 | u64 lpar_driver_info = 0; |
976 | u64 lpar_reports = 0; |
977 | u64 lpar_reports_size = 0; |
978 | u64 xdr_lpar; |
979 | struct gpu_driver_info *dinfo; |
980 | void *fb_start; |
981 | int status; |
982 | struct task_struct *task; |
983 | unsigned long max_ps3fb_size; |
984 | |
985 | if (ps3fb_videomemory.size < GPU_CMD_BUF_SIZE) { |
986 | dev_err(&dev->core, "%s: Not enough video memory\n", __func__); |
987 | return -ENOMEM; |
988 | } |
989 | |
990 | retval = ps3_open_hv_device(dev); |
991 | if (retval) { |
992 | dev_err(&dev->core, "%s: ps3_open_hv_device failed\n", |
993 | __func__); |
994 | goto err; |
995 | } |
996 | |
997 | if (!ps3fb_mode) |
998 | ps3fb_mode = ps3av_get_mode(); |
999 | dev_dbg(&dev->core, "ps3fb_mode: %d\n", ps3fb_mode); |
1000 | |
1001 | atomic_set(&ps3fb.f_count, -1); /* fbcon opens ps3fb */ |
1002 | atomic_set(&ps3fb.ext_flip, 0); /* for flip with vsync */ |
1003 | init_waitqueue_head(&ps3fb.wait_vsync); |
1004 | |
1005 | #ifdef HEAD_A |
1006 | status = lv1_gpu_display_sync(0x0, 0, L1GPU_DISPLAY_SYNC_VSYNC); |
1007 | if (status) { |
1008 | dev_err(&dev->core, "%s: lv1_gpu_display_sync failed: %d\n", |
1009 | __func__, status); |
1010 | retval = -ENODEV; |
1011 | goto err_close_device; |
1012 | } |
1013 | #endif |
1014 | #ifdef HEAD_B |
1015 | status = lv1_gpu_display_sync(0x0, 1, L1GPU_DISPLAY_SYNC_VSYNC); |
1016 | if (status) { |
1017 | dev_err(&dev->core, "%s: lv1_gpu_display_sync failed: %d\n", |
1018 | __func__, status); |
1019 | retval = -ENODEV; |
1020 | goto err_close_device; |
1021 | } |
1022 | #endif |
1023 | |
1024 | max_ps3fb_size = _ALIGN_UP(GPU_IOIF, 256*1024*1024) - GPU_IOIF; |
1025 | if (ps3fb_videomemory.size > max_ps3fb_size) { |
1026 | dev_info(&dev->core, "Limiting ps3fb mem size to %lu bytes\n", |
1027 | max_ps3fb_size); |
1028 | ps3fb_videomemory.size = max_ps3fb_size; |
1029 | } |
1030 | |
1031 | /* get gpu context handle */ |
1032 | status = lv1_gpu_memory_allocate(ps3fb_videomemory.size, 0, 0, 0, 0, |
1033 | &ps3fb.memory_handle, &ddr_lpar); |
1034 | if (status) { |
1035 | dev_err(&dev->core, "%s: lv1_gpu_memory_allocate failed: %d\n", |
1036 | __func__, status); |
1037 | retval = -ENOMEM; |
1038 | goto err_close_device; |
1039 | } |
1040 | dev_dbg(&dev->core, "ddr:lpar:0x%llx\n", ddr_lpar); |
1041 | |
1042 | status = lv1_gpu_context_allocate(ps3fb.memory_handle, 0, |
1043 | &ps3fb.context_handle, |
1044 | &lpar_dma_control, &lpar_driver_info, |
1045 | &lpar_reports, &lpar_reports_size); |
1046 | if (status) { |
1047 | dev_err(&dev->core, |
1048 | "%s: lv1_gpu_context_allocate failed: %d\n", __func__, |
1049 | status); |
1050 | retval = -ENOMEM; |
1051 | goto err_gpu_memory_free; |
1052 | } |
1053 | |
1054 | /* vsync interrupt */ |
1055 | dinfo = (void __force *)ioremap(lpar_driver_info, 128 * 1024); |
1056 | if (!dinfo) { |
1057 | dev_err(&dev->core, "%s: ioremap failed\n", __func__); |
1058 | retval = -ENOMEM; |
1059 | goto err_gpu_context_free; |
1060 | } |
1061 | |
1062 | ps3fb.dinfo = dinfo; |
1063 | dev_dbg(&dev->core, "version_driver:%x\n", dinfo->version_driver); |
1064 | dev_dbg(&dev->core, "irq outlet:%x\n", dinfo->irq.irq_outlet); |
1065 | dev_dbg(&dev->core, "version_gpu: %x memory_size: %x ch: %x " |
1066 | "core_freq: %d mem_freq:%d\n", dinfo->version_gpu, |
1067 | dinfo->memory_size, dinfo->hardware_channel, |
1068 | dinfo->nvcore_frequency/1000000, |
1069 | dinfo->memory_frequency/1000000); |
1070 | |
1071 | if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) { |
1072 | dev_err(&dev->core, "%s: version_driver err:%x\n", __func__, |
1073 | dinfo->version_driver); |
1074 | retval = -EINVAL; |
1075 | goto err_iounmap_dinfo; |
1076 | } |
1077 | |
1078 | retval = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet, |
1079 | &ps3fb.irq_no); |
1080 | if (retval) { |
1081 | dev_err(&dev->core, "%s: ps3_alloc_irq failed %d\n", __func__, |
1082 | retval); |
1083 | goto err_iounmap_dinfo; |
1084 | } |
1085 | |
1086 | retval = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, |
1087 | 0, DEVICE_NAME, &dev->core); |
1088 | if (retval) { |
1089 | dev_err(&dev->core, "%s: request_irq failed %d\n", __func__, |
1090 | retval); |
1091 | goto err_destroy_plug; |
1092 | } |
1093 | |
1094 | dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) | |
1095 | (1 << GPU_INTR_STATUS_FLIP_1); |
1096 | |
1097 | /* Clear memory to prevent kernel info leakage into userspace */ |
1098 | memset(ps3fb_videomemory.address, 0, ps3fb_videomemory.size); |
1099 | |
1100 | xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb_videomemory.address)); |
1101 | |
1102 | status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, |
1103 | xdr_lpar, ps3fb_videomemory.size, |
1104 | CBE_IOPTE_PP_W | CBE_IOPTE_PP_R | |
1105 | CBE_IOPTE_M); |
1106 | if (status) { |
1107 | dev_err(&dev->core, "%s: lv1_gpu_context_iomap failed: %d\n", |
1108 | __func__, status); |
1109 | retval = -ENXIO; |
1110 | goto err_free_irq; |
1111 | } |
1112 | |
1113 | dev_dbg(&dev->core, "video:%p ioif:%lx lpar:%llx size:%lx\n", |
1114 | ps3fb_videomemory.address, GPU_IOIF, xdr_lpar, |
1115 | ps3fb_videomemory.size); |
1116 | |
1117 | status = lv1_gpu_fb_setup(ps3fb.context_handle, xdr_lpar, |
1118 | GPU_CMD_BUF_SIZE, GPU_IOIF); |
1119 | if (status) { |
1120 | dev_err(&dev->core, "%s: lv1_gpu_fb_setup failed: %d\n", |
1121 | __func__, status); |
1122 | retval = -ENXIO; |
1123 | goto err_context_unmap; |
1124 | } |
1125 | |
1126 | info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core); |
1127 | if (!info) { |
1128 | retval = -ENOMEM; |
1129 | goto err_context_fb_close; |
1130 | } |
1131 | |
1132 | par = info->par; |
1133 | par->mode_id = ~ps3fb_mode; /* != ps3fb_mode, to trigger change */ |
1134 | par->new_mode_id = ps3fb_mode; |
1135 | par->num_frames = 1; |
1136 | |
1137 | info->fbops = &ps3fb_ops; |
1138 | info->fix = ps3fb_fix; |
1139 | |
1140 | /* |
1141 | * The GPU command buffer is at the start of video memory |
1142 | * As we don't use the full command buffer, we can put the actual |
1143 | * frame buffer at offset GPU_FB_START and save some precious XDR |
1144 | * memory |
1145 | */ |
1146 | fb_start = ps3fb_videomemory.address + GPU_FB_START; |
1147 | info->screen_base = (char __force __iomem *)fb_start; |
1148 | info->fix.smem_start = __pa(fb_start); |
1149 | info->fix.smem_len = ps3fb_videomemory.size - GPU_FB_START; |
1150 | |
1151 | info->pseudo_palette = par->pseudo_palette; |
1152 | info->flags = FBINFO_DEFAULT | FBINFO_READS_FAST | |
1153 | FBINFO_HWACCEL_XPAN | FBINFO_HWACCEL_YPAN; |
1154 | |
1155 | retval = fb_alloc_cmap(&info->cmap, 256, 0); |
1156 | if (retval < 0) |
1157 | goto err_framebuffer_release; |
1158 | |
1159 | if (!fb_find_mode(&info->var, info, mode_option, ps3fb_modedb, |
1160 | ARRAY_SIZE(ps3fb_modedb), |
1161 | ps3fb_vmode(par->new_mode_id), 32)) { |
1162 | retval = -EINVAL; |
1163 | goto err_fb_dealloc; |
1164 | } |
1165 | |
1166 | fb_videomode_to_modelist(ps3fb_modedb, ARRAY_SIZE(ps3fb_modedb), |
1167 | &info->modelist); |
1168 | |
1169 | retval = register_framebuffer(info); |
1170 | if (retval < 0) |
1171 | goto err_fb_dealloc; |
1172 | |
1173 | ps3_system_bus_set_drvdata(dev, info); |
1174 | |
1175 | dev_info(info->device, "%s %s, using %u KiB of video memory\n", |
1176 | dev_driver_string(info->dev), dev_name(info->dev), |
1177 | info->fix.smem_len >> 10); |
1178 | |
1179 | task = kthread_run(ps3fbd, info, DEVICE_NAME); |
1180 | if (IS_ERR(task)) { |
1181 | retval = PTR_ERR(task); |
1182 | goto err_unregister_framebuffer; |
1183 | } |
1184 | |
1185 | ps3fb.task = task; |
1186 | |
1187 | return 0; |
1188 | |
1189 | err_unregister_framebuffer: |
1190 | unregister_framebuffer(info); |
1191 | err_fb_dealloc: |
1192 | fb_dealloc_cmap(&info->cmap); |
1193 | err_framebuffer_release: |
1194 | framebuffer_release(info); |
1195 | err_context_fb_close: |
1196 | lv1_gpu_fb_close(ps3fb.context_handle); |
1197 | err_context_unmap: |
1198 | lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, xdr_lpar, |
1199 | ps3fb_videomemory.size, CBE_IOPTE_M); |
1200 | err_free_irq: |
1201 | free_irq(ps3fb.irq_no, &dev->core); |
1202 | err_destroy_plug: |
1203 | ps3_irq_plug_destroy(ps3fb.irq_no); |
1204 | err_iounmap_dinfo: |
1205 | iounmap((u8 __force __iomem *)ps3fb.dinfo); |
1206 | err_gpu_context_free: |
1207 | lv1_gpu_context_free(ps3fb.context_handle); |
1208 | err_gpu_memory_free: |
1209 | lv1_gpu_memory_free(ps3fb.memory_handle); |
1210 | err_close_device: |
1211 | ps3_close_hv_device(dev); |
1212 | err: |
1213 | return retval; |
1214 | } |
1215 | |
1216 | static int ps3fb_shutdown(struct ps3_system_bus_device *dev) |
1217 | { |
1218 | struct fb_info *info = ps3_system_bus_get_drvdata(dev); |
1219 | u64 xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb_videomemory.address)); |
1220 | |
1221 | dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__); |
1222 | |
1223 | atomic_inc(&ps3fb.ext_flip); /* flip off */ |
1224 | ps3fb.dinfo->irq.mask = 0; |
1225 | |
1226 | if (ps3fb.task) { |
1227 | struct task_struct *task = ps3fb.task; |
1228 | ps3fb.task = NULL; |
1229 | kthread_stop(task); |
1230 | } |
1231 | if (ps3fb.irq_no) { |
1232 | free_irq(ps3fb.irq_no, &dev->core); |
1233 | ps3_irq_plug_destroy(ps3fb.irq_no); |
1234 | } |
1235 | if (info) { |
1236 | unregister_framebuffer(info); |
1237 | fb_dealloc_cmap(&info->cmap); |
1238 | framebuffer_release(info); |
1239 | ps3_system_bus_set_drvdata(dev, NULL); |
1240 | } |
1241 | iounmap((u8 __force __iomem *)ps3fb.dinfo); |
1242 | lv1_gpu_fb_close(ps3fb.context_handle); |
1243 | lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, xdr_lpar, |
1244 | ps3fb_videomemory.size, CBE_IOPTE_M); |
1245 | lv1_gpu_context_free(ps3fb.context_handle); |
1246 | lv1_gpu_memory_free(ps3fb.memory_handle); |
1247 | ps3_close_hv_device(dev); |
1248 | dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__); |
1249 | |
1250 | return 0; |
1251 | } |
1252 | |
1253 | static struct ps3_system_bus_driver ps3fb_driver = { |
1254 | .match_id = PS3_MATCH_ID_GPU, |
1255 | .match_sub_id = PS3_MATCH_SUB_ID_GPU_FB, |
1256 | .core.name = DEVICE_NAME, |
1257 | .core.owner = THIS_MODULE, |
1258 | .probe = ps3fb_probe, |
1259 | .remove = ps3fb_shutdown, |
1260 | .shutdown = ps3fb_shutdown, |
1261 | }; |
1262 | |
1263 | static int __init ps3fb_setup(void) |
1264 | { |
1265 | char *options; |
1266 | |
1267 | #ifdef MODULE |
1268 | return 0; |
1269 | #endif |
1270 | |
1271 | if (fb_get_options(DEVICE_NAME, &options)) |
1272 | return -ENXIO; |
1273 | |
1274 | if (!options || !*options) |
1275 | return 0; |
1276 | |
1277 | while (1) { |
1278 | char *this_opt = strsep(&options, ","); |
1279 | |
1280 | if (!this_opt) |
1281 | break; |
1282 | if (!*this_opt) |
1283 | continue; |
1284 | if (!strncmp(this_opt, "mode:", 5)) |
1285 | ps3fb_mode = simple_strtoul(this_opt + 5, NULL, 0); |
1286 | else |
1287 | mode_option = this_opt; |
1288 | } |
1289 | return 0; |
1290 | } |
1291 | |
1292 | static int __init ps3fb_init(void) |
1293 | { |
1294 | if (!ps3fb_videomemory.address || ps3fb_setup()) |
1295 | return -ENXIO; |
1296 | |
1297 | return ps3_system_bus_driver_register(&ps3fb_driver); |
1298 | } |
1299 | |
1300 | static void __exit ps3fb_exit(void) |
1301 | { |
1302 | pr_debug(" -> %s:%d\n", __func__, __LINE__); |
1303 | ps3_system_bus_driver_unregister(&ps3fb_driver); |
1304 | pr_debug(" <- %s:%d\n", __func__, __LINE__); |
1305 | } |
1306 | |
1307 | module_init(ps3fb_init); |
1308 | module_exit(ps3fb_exit); |
1309 | |
1310 | MODULE_LICENSE("GPL"); |
1311 | MODULE_DESCRIPTION("PS3 GPU Frame Buffer Driver"); |
1312 | MODULE_AUTHOR("Sony Computer Entertainment Inc."); |
1313 | MODULE_ALIAS(PS3_MODULE_ALIAS_GPU_FB); |
1314 |
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