diff options
Diffstat (limited to 'drivers/video/fbdev/ps3fb.c')
-rw-r--r-- | drivers/video/fbdev/ps3fb.c | 1307 |
1 files changed, 1307 insertions, 0 deletions
diff --git a/drivers/video/fbdev/ps3fb.c b/drivers/video/fbdev/ps3fb.c new file mode 100644 index 000000000000..b269abd932aa --- /dev/null +++ b/drivers/video/fbdev/ps3fb.c | |||
@@ -0,0 +1,1307 @@ | |||
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 | int r; | ||
709 | |||
710 | r = vm_iomap_memory(vma, info->fix.smem_start, info->fix.smem_len); | ||
711 | |||
712 | dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n", | ||
713 | info->fix.smem_start + (vma->vm_pgoff << PAGE_SHIFT), | ||
714 | vma->vm_start); | ||
715 | |||
716 | return r; | ||
717 | } | ||
718 | |||
719 | /* | ||
720 | * Blank the display | ||
721 | */ | ||
722 | |||
723 | static int ps3fb_blank(int blank, struct fb_info *info) | ||
724 | { | ||
725 | int retval; | ||
726 | |||
727 | dev_dbg(info->device, "%s: blank:%d\n", __func__, blank); | ||
728 | switch (blank) { | ||
729 | case FB_BLANK_POWERDOWN: | ||
730 | case FB_BLANK_HSYNC_SUSPEND: | ||
731 | case FB_BLANK_VSYNC_SUSPEND: | ||
732 | case FB_BLANK_NORMAL: | ||
733 | retval = ps3av_video_mute(1); /* mute on */ | ||
734 | if (!retval) | ||
735 | ps3fb.is_blanked = 1; | ||
736 | break; | ||
737 | |||
738 | default: /* unblank */ | ||
739 | retval = ps3av_video_mute(0); /* mute off */ | ||
740 | if (!retval) | ||
741 | ps3fb.is_blanked = 0; | ||
742 | break; | ||
743 | } | ||
744 | return retval; | ||
745 | } | ||
746 | |||
747 | static int ps3fb_get_vblank(struct fb_vblank *vblank) | ||
748 | { | ||
749 | memset(vblank, 0, sizeof(*vblank)); | ||
750 | vblank->flags = FB_VBLANK_HAVE_VSYNC; | ||
751 | return 0; | ||
752 | } | ||
753 | |||
754 | static int ps3fb_wait_for_vsync(u32 crtc) | ||
755 | { | ||
756 | int ret; | ||
757 | u64 count; | ||
758 | |||
759 | count = ps3fb.vblank_count; | ||
760 | ret = wait_event_interruptible_timeout(ps3fb.wait_vsync, | ||
761 | count != ps3fb.vblank_count, | ||
762 | HZ / 10); | ||
763 | if (!ret) | ||
764 | return -ETIMEDOUT; | ||
765 | |||
766 | return 0; | ||
767 | } | ||
768 | |||
769 | |||
770 | /* | ||
771 | * ioctl | ||
772 | */ | ||
773 | |||
774 | static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd, | ||
775 | unsigned long arg) | ||
776 | { | ||
777 | void __user *argp = (void __user *)arg; | ||
778 | u32 val; | ||
779 | int retval = -EFAULT; | ||
780 | |||
781 | switch (cmd) { | ||
782 | case FBIOGET_VBLANK: | ||
783 | { | ||
784 | struct fb_vblank vblank; | ||
785 | dev_dbg(info->device, "FBIOGET_VBLANK:\n"); | ||
786 | retval = ps3fb_get_vblank(&vblank); | ||
787 | if (retval) | ||
788 | break; | ||
789 | |||
790 | if (copy_to_user(argp, &vblank, sizeof(vblank))) | ||
791 | retval = -EFAULT; | ||
792 | break; | ||
793 | } | ||
794 | |||
795 | case FBIO_WAITFORVSYNC: | ||
796 | { | ||
797 | u32 crt; | ||
798 | dev_dbg(info->device, "FBIO_WAITFORVSYNC:\n"); | ||
799 | if (get_user(crt, (u32 __user *) arg)) | ||
800 | break; | ||
801 | |||
802 | retval = ps3fb_wait_for_vsync(crt); | ||
803 | break; | ||
804 | } | ||
805 | |||
806 | case PS3FB_IOCTL_SETMODE: | ||
807 | { | ||
808 | struct ps3fb_par *par = info->par; | ||
809 | const struct fb_videomode *vmode; | ||
810 | struct fb_var_screeninfo var; | ||
811 | |||
812 | if (copy_from_user(&val, argp, sizeof(val))) | ||
813 | break; | ||
814 | |||
815 | if (!(val & PS3AV_MODE_MASK)) { | ||
816 | u32 id = ps3av_get_auto_mode(); | ||
817 | if (id > 0) | ||
818 | val = (val & ~PS3AV_MODE_MASK) | id; | ||
819 | } | ||
820 | dev_dbg(info->device, "PS3FB_IOCTL_SETMODE:%x\n", val); | ||
821 | retval = -EINVAL; | ||
822 | vmode = ps3fb_vmode(val); | ||
823 | if (vmode) { | ||
824 | var = info->var; | ||
825 | fb_videomode_to_var(&var, vmode); | ||
826 | console_lock(); | ||
827 | info->flags |= FBINFO_MISC_USEREVENT; | ||
828 | /* Force, in case only special bits changed */ | ||
829 | var.activate |= FB_ACTIVATE_FORCE; | ||
830 | par->new_mode_id = val; | ||
831 | retval = fb_set_var(info, &var); | ||
832 | info->flags &= ~FBINFO_MISC_USEREVENT; | ||
833 | console_unlock(); | ||
834 | } | ||
835 | break; | ||
836 | } | ||
837 | |||
838 | case PS3FB_IOCTL_GETMODE: | ||
839 | val = ps3av_get_mode(); | ||
840 | dev_dbg(info->device, "PS3FB_IOCTL_GETMODE:%x\n", val); | ||
841 | if (!copy_to_user(argp, &val, sizeof(val))) | ||
842 | retval = 0; | ||
843 | break; | ||
844 | |||
845 | case PS3FB_IOCTL_SCREENINFO: | ||
846 | { | ||
847 | struct ps3fb_par *par = info->par; | ||
848 | struct ps3fb_ioctl_res res; | ||
849 | dev_dbg(info->device, "PS3FB_IOCTL_SCREENINFO:\n"); | ||
850 | res.xres = info->fix.line_length / BPP; | ||
851 | res.yres = info->var.yres_virtual; | ||
852 | res.xoff = (res.xres - info->var.xres) / 2; | ||
853 | res.yoff = (res.yres - info->var.yres) / 2; | ||
854 | res.num_frames = par->num_frames; | ||
855 | if (!copy_to_user(argp, &res, sizeof(res))) | ||
856 | retval = 0; | ||
857 | break; | ||
858 | } | ||
859 | |||
860 | case PS3FB_IOCTL_ON: | ||
861 | dev_dbg(info->device, "PS3FB_IOCTL_ON:\n"); | ||
862 | atomic_inc(&ps3fb.ext_flip); | ||
863 | retval = 0; | ||
864 | break; | ||
865 | |||
866 | case PS3FB_IOCTL_OFF: | ||
867 | dev_dbg(info->device, "PS3FB_IOCTL_OFF:\n"); | ||
868 | atomic_dec_if_positive(&ps3fb.ext_flip); | ||
869 | retval = 0; | ||
870 | break; | ||
871 | |||
872 | case PS3FB_IOCTL_FSEL: | ||
873 | if (copy_from_user(&val, argp, sizeof(val))) | ||
874 | break; | ||
875 | |||
876 | dev_dbg(info->device, "PS3FB_IOCTL_FSEL:%d\n", val); | ||
877 | console_lock(); | ||
878 | retval = ps3fb_sync(info, val); | ||
879 | console_unlock(); | ||
880 | break; | ||
881 | |||
882 | default: | ||
883 | retval = -ENOIOCTLCMD; | ||
884 | break; | ||
885 | } | ||
886 | return retval; | ||
887 | } | ||
888 | |||
889 | static int ps3fbd(void *arg) | ||
890 | { | ||
891 | struct fb_info *info = arg; | ||
892 | |||
893 | set_freezable(); | ||
894 | while (!kthread_should_stop()) { | ||
895 | try_to_freeze(); | ||
896 | set_current_state(TASK_INTERRUPTIBLE); | ||
897 | if (ps3fb.is_kicked) { | ||
898 | ps3fb.is_kicked = 0; | ||
899 | console_lock(); | ||
900 | ps3fb_sync(info, 0); /* single buffer */ | ||
901 | console_unlock(); | ||
902 | } | ||
903 | schedule(); | ||
904 | } | ||
905 | return 0; | ||
906 | } | ||
907 | |||
908 | static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr) | ||
909 | { | ||
910 | struct device *dev = ptr; | ||
911 | u64 v1; | ||
912 | int status; | ||
913 | struct display_head *head = &ps3fb.dinfo->display_head[1]; | ||
914 | |||
915 | status = lv1_gpu_context_intr(ps3fb.context_handle, &v1); | ||
916 | if (status) { | ||
917 | dev_err(dev, "%s: lv1_gpu_context_intr failed: %d\n", __func__, | ||
918 | status); | ||
919 | return IRQ_NONE; | ||
920 | } | ||
921 | |||
922 | if (v1 & (1 << GPU_INTR_STATUS_VSYNC_1)) { | ||
923 | /* VSYNC */ | ||
924 | ps3fb.vblank_count = head->vblank_count; | ||
925 | if (ps3fb.task && !ps3fb.is_blanked && | ||
926 | !atomic_read(&ps3fb.ext_flip)) { | ||
927 | ps3fb.is_kicked = 1; | ||
928 | wake_up_process(ps3fb.task); | ||
929 | } | ||
930 | wake_up_interruptible(&ps3fb.wait_vsync); | ||
931 | } | ||
932 | |||
933 | return IRQ_HANDLED; | ||
934 | } | ||
935 | |||
936 | |||
937 | static struct fb_ops ps3fb_ops = { | ||
938 | .fb_open = ps3fb_open, | ||
939 | .fb_release = ps3fb_release, | ||
940 | .fb_read = fb_sys_read, | ||
941 | .fb_write = fb_sys_write, | ||
942 | .fb_check_var = ps3fb_check_var, | ||
943 | .fb_set_par = ps3fb_set_par, | ||
944 | .fb_setcolreg = ps3fb_setcolreg, | ||
945 | .fb_pan_display = ps3fb_pan_display, | ||
946 | .fb_fillrect = sys_fillrect, | ||
947 | .fb_copyarea = sys_copyarea, | ||
948 | .fb_imageblit = sys_imageblit, | ||
949 | .fb_mmap = ps3fb_mmap, | ||
950 | .fb_blank = ps3fb_blank, | ||
951 | .fb_ioctl = ps3fb_ioctl, | ||
952 | .fb_compat_ioctl = ps3fb_ioctl | ||
953 | }; | ||
954 | |||
955 | static struct fb_fix_screeninfo ps3fb_fix = { | ||
956 | .id = DEVICE_NAME, | ||
957 | .type = FB_TYPE_PACKED_PIXELS, | ||
958 | .visual = FB_VISUAL_TRUECOLOR, | ||
959 | .accel = FB_ACCEL_NONE, | ||
960 | }; | ||
961 | |||
962 | static int ps3fb_probe(struct ps3_system_bus_device *dev) | ||
963 | { | ||
964 | struct fb_info *info; | ||
965 | struct ps3fb_par *par; | ||
966 | int retval; | ||
967 | u64 ddr_lpar = 0; | ||
968 | u64 lpar_dma_control = 0; | ||
969 | u64 lpar_driver_info = 0; | ||
970 | u64 lpar_reports = 0; | ||
971 | u64 lpar_reports_size = 0; | ||
972 | u64 xdr_lpar; | ||
973 | struct gpu_driver_info *dinfo; | ||
974 | void *fb_start; | ||
975 | int status; | ||
976 | struct task_struct *task; | ||
977 | unsigned long max_ps3fb_size; | ||
978 | |||
979 | if (ps3fb_videomemory.size < GPU_CMD_BUF_SIZE) { | ||
980 | dev_err(&dev->core, "%s: Not enough video memory\n", __func__); | ||
981 | return -ENOMEM; | ||
982 | } | ||
983 | |||
984 | retval = ps3_open_hv_device(dev); | ||
985 | if (retval) { | ||
986 | dev_err(&dev->core, "%s: ps3_open_hv_device failed\n", | ||
987 | __func__); | ||
988 | goto err; | ||
989 | } | ||
990 | |||
991 | if (!ps3fb_mode) | ||
992 | ps3fb_mode = ps3av_get_mode(); | ||
993 | dev_dbg(&dev->core, "ps3fb_mode: %d\n", ps3fb_mode); | ||
994 | |||
995 | atomic_set(&ps3fb.f_count, -1); /* fbcon opens ps3fb */ | ||
996 | atomic_set(&ps3fb.ext_flip, 0); /* for flip with vsync */ | ||
997 | init_waitqueue_head(&ps3fb.wait_vsync); | ||
998 | |||
999 | #ifdef HEAD_A | ||
1000 | status = lv1_gpu_display_sync(0x0, 0, L1GPU_DISPLAY_SYNC_VSYNC); | ||
1001 | if (status) { | ||
1002 | dev_err(&dev->core, "%s: lv1_gpu_display_sync failed: %d\n", | ||
1003 | __func__, status); | ||
1004 | retval = -ENODEV; | ||
1005 | goto err_close_device; | ||
1006 | } | ||
1007 | #endif | ||
1008 | #ifdef HEAD_B | ||
1009 | status = lv1_gpu_display_sync(0x0, 1, L1GPU_DISPLAY_SYNC_VSYNC); | ||
1010 | if (status) { | ||
1011 | dev_err(&dev->core, "%s: lv1_gpu_display_sync failed: %d\n", | ||
1012 | __func__, status); | ||
1013 | retval = -ENODEV; | ||
1014 | goto err_close_device; | ||
1015 | } | ||
1016 | #endif | ||
1017 | |||
1018 | max_ps3fb_size = _ALIGN_UP(GPU_IOIF, 256*1024*1024) - GPU_IOIF; | ||
1019 | if (ps3fb_videomemory.size > max_ps3fb_size) { | ||
1020 | dev_info(&dev->core, "Limiting ps3fb mem size to %lu bytes\n", | ||
1021 | max_ps3fb_size); | ||
1022 | ps3fb_videomemory.size = max_ps3fb_size; | ||
1023 | } | ||
1024 | |||
1025 | /* get gpu context handle */ | ||
1026 | status = lv1_gpu_memory_allocate(ps3fb_videomemory.size, 0, 0, 0, 0, | ||
1027 | &ps3fb.memory_handle, &ddr_lpar); | ||
1028 | if (status) { | ||
1029 | dev_err(&dev->core, "%s: lv1_gpu_memory_allocate failed: %d\n", | ||
1030 | __func__, status); | ||
1031 | retval = -ENOMEM; | ||
1032 | goto err_close_device; | ||
1033 | } | ||
1034 | dev_dbg(&dev->core, "ddr:lpar:0x%llx\n", ddr_lpar); | ||
1035 | |||
1036 | status = lv1_gpu_context_allocate(ps3fb.memory_handle, 0, | ||
1037 | &ps3fb.context_handle, | ||
1038 | &lpar_dma_control, &lpar_driver_info, | ||
1039 | &lpar_reports, &lpar_reports_size); | ||
1040 | if (status) { | ||
1041 | dev_err(&dev->core, | ||
1042 | "%s: lv1_gpu_context_allocate failed: %d\n", __func__, | ||
1043 | status); | ||
1044 | retval = -ENOMEM; | ||
1045 | goto err_gpu_memory_free; | ||
1046 | } | ||
1047 | |||
1048 | /* vsync interrupt */ | ||
1049 | dinfo = (void __force *)ioremap(lpar_driver_info, 128 * 1024); | ||
1050 | if (!dinfo) { | ||
1051 | dev_err(&dev->core, "%s: ioremap failed\n", __func__); | ||
1052 | retval = -ENOMEM; | ||
1053 | goto err_gpu_context_free; | ||
1054 | } | ||
1055 | |||
1056 | ps3fb.dinfo = dinfo; | ||
1057 | dev_dbg(&dev->core, "version_driver:%x\n", dinfo->version_driver); | ||
1058 | dev_dbg(&dev->core, "irq outlet:%x\n", dinfo->irq.irq_outlet); | ||
1059 | dev_dbg(&dev->core, "version_gpu: %x memory_size: %x ch: %x " | ||
1060 | "core_freq: %d mem_freq:%d\n", dinfo->version_gpu, | ||
1061 | dinfo->memory_size, dinfo->hardware_channel, | ||
1062 | dinfo->nvcore_frequency/1000000, | ||
1063 | dinfo->memory_frequency/1000000); | ||
1064 | |||
1065 | if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) { | ||
1066 | dev_err(&dev->core, "%s: version_driver err:%x\n", __func__, | ||
1067 | dinfo->version_driver); | ||
1068 | retval = -EINVAL; | ||
1069 | goto err_iounmap_dinfo; | ||
1070 | } | ||
1071 | |||
1072 | retval = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet, | ||
1073 | &ps3fb.irq_no); | ||
1074 | if (retval) { | ||
1075 | dev_err(&dev->core, "%s: ps3_alloc_irq failed %d\n", __func__, | ||
1076 | retval); | ||
1077 | goto err_iounmap_dinfo; | ||
1078 | } | ||
1079 | |||
1080 | retval = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, | ||
1081 | 0, DEVICE_NAME, &dev->core); | ||
1082 | if (retval) { | ||
1083 | dev_err(&dev->core, "%s: request_irq failed %d\n", __func__, | ||
1084 | retval); | ||
1085 | goto err_destroy_plug; | ||
1086 | } | ||
1087 | |||
1088 | dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) | | ||
1089 | (1 << GPU_INTR_STATUS_FLIP_1); | ||
1090 | |||
1091 | /* Clear memory to prevent kernel info leakage into userspace */ | ||
1092 | memset(ps3fb_videomemory.address, 0, ps3fb_videomemory.size); | ||
1093 | |||
1094 | xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb_videomemory.address)); | ||
1095 | |||
1096 | status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, | ||
1097 | xdr_lpar, ps3fb_videomemory.size, | ||
1098 | CBE_IOPTE_PP_W | CBE_IOPTE_PP_R | | ||
1099 | CBE_IOPTE_M); | ||
1100 | if (status) { | ||
1101 | dev_err(&dev->core, "%s: lv1_gpu_context_iomap failed: %d\n", | ||
1102 | __func__, status); | ||
1103 | retval = -ENXIO; | ||
1104 | goto err_free_irq; | ||
1105 | } | ||
1106 | |||
1107 | dev_dbg(&dev->core, "video:%p ioif:%lx lpar:%llx size:%lx\n", | ||
1108 | ps3fb_videomemory.address, GPU_IOIF, xdr_lpar, | ||
1109 | ps3fb_videomemory.size); | ||
1110 | |||
1111 | status = lv1_gpu_fb_setup(ps3fb.context_handle, xdr_lpar, | ||
1112 | GPU_CMD_BUF_SIZE, GPU_IOIF); | ||
1113 | if (status) { | ||
1114 | dev_err(&dev->core, "%s: lv1_gpu_fb_setup failed: %d\n", | ||
1115 | __func__, status); | ||
1116 | retval = -ENXIO; | ||
1117 | goto err_context_unmap; | ||
1118 | } | ||
1119 | |||
1120 | info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core); | ||
1121 | if (!info) { | ||
1122 | retval = -ENOMEM; | ||
1123 | goto err_context_fb_close; | ||
1124 | } | ||
1125 | |||
1126 | par = info->par; | ||
1127 | par->mode_id = ~ps3fb_mode; /* != ps3fb_mode, to trigger change */ | ||
1128 | par->new_mode_id = ps3fb_mode; | ||
1129 | par->num_frames = 1; | ||
1130 | |||
1131 | info->fbops = &ps3fb_ops; | ||
1132 | info->fix = ps3fb_fix; | ||
1133 | |||
1134 | /* | ||
1135 | * The GPU command buffer is at the start of video memory | ||
1136 | * As we don't use the full command buffer, we can put the actual | ||
1137 | * frame buffer at offset GPU_FB_START and save some precious XDR | ||
1138 | * memory | ||
1139 | */ | ||
1140 | fb_start = ps3fb_videomemory.address + GPU_FB_START; | ||
1141 | info->screen_base = (char __force __iomem *)fb_start; | ||
1142 | info->fix.smem_start = __pa(fb_start); | ||
1143 | info->fix.smem_len = ps3fb_videomemory.size - GPU_FB_START; | ||
1144 | |||
1145 | info->pseudo_palette = par->pseudo_palette; | ||
1146 | info->flags = FBINFO_DEFAULT | FBINFO_READS_FAST | | ||
1147 | FBINFO_HWACCEL_XPAN | FBINFO_HWACCEL_YPAN; | ||
1148 | |||
1149 | retval = fb_alloc_cmap(&info->cmap, 256, 0); | ||
1150 | if (retval < 0) | ||
1151 | goto err_framebuffer_release; | ||
1152 | |||
1153 | if (!fb_find_mode(&info->var, info, mode_option, ps3fb_modedb, | ||
1154 | ARRAY_SIZE(ps3fb_modedb), | ||
1155 | ps3fb_vmode(par->new_mode_id), 32)) { | ||
1156 | retval = -EINVAL; | ||
1157 | goto err_fb_dealloc; | ||
1158 | } | ||
1159 | |||
1160 | fb_videomode_to_modelist(ps3fb_modedb, ARRAY_SIZE(ps3fb_modedb), | ||
1161 | &info->modelist); | ||
1162 | |||
1163 | retval = register_framebuffer(info); | ||
1164 | if (retval < 0) | ||
1165 | goto err_fb_dealloc; | ||
1166 | |||
1167 | ps3_system_bus_set_drvdata(dev, info); | ||
1168 | |||
1169 | dev_info(info->device, "%s %s, using %u KiB of video memory\n", | ||
1170 | dev_driver_string(info->dev), dev_name(info->dev), | ||
1171 | info->fix.smem_len >> 10); | ||
1172 | |||
1173 | task = kthread_run(ps3fbd, info, DEVICE_NAME); | ||
1174 | if (IS_ERR(task)) { | ||
1175 | retval = PTR_ERR(task); | ||
1176 | goto err_unregister_framebuffer; | ||
1177 | } | ||
1178 | |||
1179 | ps3fb.task = task; | ||
1180 | |||
1181 | return 0; | ||
1182 | |||
1183 | err_unregister_framebuffer: | ||
1184 | unregister_framebuffer(info); | ||
1185 | err_fb_dealloc: | ||
1186 | fb_dealloc_cmap(&info->cmap); | ||
1187 | err_framebuffer_release: | ||
1188 | framebuffer_release(info); | ||
1189 | err_context_fb_close: | ||
1190 | lv1_gpu_fb_close(ps3fb.context_handle); | ||
1191 | err_context_unmap: | ||
1192 | lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, xdr_lpar, | ||
1193 | ps3fb_videomemory.size, CBE_IOPTE_M); | ||
1194 | err_free_irq: | ||
1195 | free_irq(ps3fb.irq_no, &dev->core); | ||
1196 | err_destroy_plug: | ||
1197 | ps3_irq_plug_destroy(ps3fb.irq_no); | ||
1198 | err_iounmap_dinfo: | ||
1199 | iounmap((u8 __force __iomem *)ps3fb.dinfo); | ||
1200 | err_gpu_context_free: | ||
1201 | lv1_gpu_context_free(ps3fb.context_handle); | ||
1202 | err_gpu_memory_free: | ||
1203 | lv1_gpu_memory_free(ps3fb.memory_handle); | ||
1204 | err_close_device: | ||
1205 | ps3_close_hv_device(dev); | ||
1206 | err: | ||
1207 | return retval; | ||
1208 | } | ||
1209 | |||
1210 | static int ps3fb_shutdown(struct ps3_system_bus_device *dev) | ||
1211 | { | ||
1212 | struct fb_info *info = ps3_system_bus_get_drvdata(dev); | ||
1213 | u64 xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb_videomemory.address)); | ||
1214 | |||
1215 | dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__); | ||
1216 | |||
1217 | atomic_inc(&ps3fb.ext_flip); /* flip off */ | ||
1218 | ps3fb.dinfo->irq.mask = 0; | ||
1219 | |||
1220 | if (ps3fb.task) { | ||
1221 | struct task_struct *task = ps3fb.task; | ||
1222 | ps3fb.task = NULL; | ||
1223 | kthread_stop(task); | ||
1224 | } | ||
1225 | if (ps3fb.irq_no) { | ||
1226 | free_irq(ps3fb.irq_no, &dev->core); | ||
1227 | ps3_irq_plug_destroy(ps3fb.irq_no); | ||
1228 | } | ||
1229 | if (info) { | ||
1230 | unregister_framebuffer(info); | ||
1231 | fb_dealloc_cmap(&info->cmap); | ||
1232 | framebuffer_release(info); | ||
1233 | ps3_system_bus_set_drvdata(dev, NULL); | ||
1234 | } | ||
1235 | iounmap((u8 __force __iomem *)ps3fb.dinfo); | ||
1236 | lv1_gpu_fb_close(ps3fb.context_handle); | ||
1237 | lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, xdr_lpar, | ||
1238 | ps3fb_videomemory.size, CBE_IOPTE_M); | ||
1239 | lv1_gpu_context_free(ps3fb.context_handle); | ||
1240 | lv1_gpu_memory_free(ps3fb.memory_handle); | ||
1241 | ps3_close_hv_device(dev); | ||
1242 | dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__); | ||
1243 | |||
1244 | return 0; | ||
1245 | } | ||
1246 | |||
1247 | static struct ps3_system_bus_driver ps3fb_driver = { | ||
1248 | .match_id = PS3_MATCH_ID_GPU, | ||
1249 | .match_sub_id = PS3_MATCH_SUB_ID_GPU_FB, | ||
1250 | .core.name = DEVICE_NAME, | ||
1251 | .core.owner = THIS_MODULE, | ||
1252 | .probe = ps3fb_probe, | ||
1253 | .remove = ps3fb_shutdown, | ||
1254 | .shutdown = ps3fb_shutdown, | ||
1255 | }; | ||
1256 | |||
1257 | static int __init ps3fb_setup(void) | ||
1258 | { | ||
1259 | char *options; | ||
1260 | |||
1261 | #ifdef MODULE | ||
1262 | return 0; | ||
1263 | #endif | ||
1264 | |||
1265 | if (fb_get_options(DEVICE_NAME, &options)) | ||
1266 | return -ENXIO; | ||
1267 | |||
1268 | if (!options || !*options) | ||
1269 | return 0; | ||
1270 | |||
1271 | while (1) { | ||
1272 | char *this_opt = strsep(&options, ","); | ||
1273 | |||
1274 | if (!this_opt) | ||
1275 | break; | ||
1276 | if (!*this_opt) | ||
1277 | continue; | ||
1278 | if (!strncmp(this_opt, "mode:", 5)) | ||
1279 | ps3fb_mode = simple_strtoul(this_opt + 5, NULL, 0); | ||
1280 | else | ||
1281 | mode_option = this_opt; | ||
1282 | } | ||
1283 | return 0; | ||
1284 | } | ||
1285 | |||
1286 | static int __init ps3fb_init(void) | ||
1287 | { | ||
1288 | if (!ps3fb_videomemory.address || ps3fb_setup()) | ||
1289 | return -ENXIO; | ||
1290 | |||
1291 | return ps3_system_bus_driver_register(&ps3fb_driver); | ||
1292 | } | ||
1293 | |||
1294 | static void __exit ps3fb_exit(void) | ||
1295 | { | ||
1296 | pr_debug(" -> %s:%d\n", __func__, __LINE__); | ||
1297 | ps3_system_bus_driver_unregister(&ps3fb_driver); | ||
1298 | pr_debug(" <- %s:%d\n", __func__, __LINE__); | ||
1299 | } | ||
1300 | |||
1301 | module_init(ps3fb_init); | ||
1302 | module_exit(ps3fb_exit); | ||
1303 | |||
1304 | MODULE_LICENSE("GPL"); | ||
1305 | MODULE_DESCRIPTION("PS3 GPU Frame Buffer Driver"); | ||
1306 | MODULE_AUTHOR("Sony Computer Entertainment Inc."); | ||
1307 | MODULE_ALIAS(PS3_MODULE_ALIAS_GPU_FB); | ||