Commit | Line | Data |
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310d8c11 GU |
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> | |
310d8c11 | 25 | #include <linux/interrupt.h> |
310d8c11 GU |
26 | #include <linux/console.h> |
27 | #include <linux/ioctl.h> | |
1c0c8461 GU |
28 | #include <linux/kthread.h> |
29 | #include <linux/freezer.h> | |
84902b7a | 30 | #include <linux/uaccess.h> |
310d8c11 | 31 | #include <linux/fb.h> |
d88ca7e1 | 32 | #include <linux/fbcon.h> |
310d8c11 | 33 | #include <linux/init.h> |
310d8c11 | 34 | |
9413c883 | 35 | #include <asm/cell-regs.h> |
310d8c11 GU |
36 | #include <asm/lv1call.h> |
37 | #include <asm/ps3av.h> | |
38 | #include <asm/ps3fb.h> | |
39 | #include <asm/ps3.h> | |
d3352c9f | 40 | #include <asm/ps3gpu.h> |
310d8c11 | 41 | |
9e6b99bd GU |
42 | |
43 | #define DEVICE_NAME "ps3fb" | |
44 | ||
9ac67a35 GU |
45 | #define GPU_CMD_BUF_SIZE (2 * 1024 * 1024) |
46 | #define GPU_FB_START (64 * 1024) | |
310d8c11 | 47 | #define GPU_IOIF (0x0d000000UL) |
7bfc3c84 | 48 | #define GPU_ALIGN_UP(x) ALIGN((x), 64) |
61e0b28e | 49 | #define GPU_MAX_LINE_LENGTH (65536 - 64) |
310d8c11 | 50 | |
310d8c11 GU |
51 | #define GPU_INTR_STATUS_VSYNC_0 0 /* vsync on head A */ |
52 | #define GPU_INTR_STATUS_VSYNC_1 1 /* vsync on head B */ | |
53 | #define GPU_INTR_STATUS_FLIP_0 3 /* flip head A */ | |
54 | #define GPU_INTR_STATUS_FLIP_1 4 /* flip head B */ | |
55 | #define GPU_INTR_STATUS_QUEUE_0 5 /* queue head A */ | |
56 | #define GPU_INTR_STATUS_QUEUE_1 6 /* queue head B */ | |
57 | ||
58 | #define GPU_DRIVER_INFO_VERSION 0x211 | |
59 | ||
60 | /* gpu internals */ | |
61 | struct display_head { | |
62 | u64 be_time_stamp; | |
63 | u32 status; | |
64 | u32 offset; | |
65 | u32 res1; | |
66 | u32 res2; | |
67 | u32 field; | |
68 | u32 reserved1; | |
69 | ||
70 | u64 res3; | |
71 | u32 raster; | |
72 | ||
73 | u64 vblank_count; | |
74 | u32 field_vsync; | |
75 | u32 reserved2; | |
76 | }; | |
77 | ||
78 | struct gpu_irq { | |
79 | u32 irq_outlet; | |
80 | u32 status; | |
81 | u32 mask; | |
82 | u32 video_cause; | |
83 | u32 graph_cause; | |
84 | u32 user_cause; | |
85 | ||
86 | u32 res1; | |
87 | u64 res2; | |
88 | ||
89 | u32 reserved[4]; | |
90 | }; | |
91 | ||
92 | struct gpu_driver_info { | |
93 | u32 version_driver; | |
94 | u32 version_gpu; | |
95 | u32 memory_size; | |
96 | u32 hardware_channel; | |
97 | ||
98 | u32 nvcore_frequency; | |
99 | u32 memory_frequency; | |
100 | ||
101 | u32 reserved[1063]; | |
102 | struct display_head display_head[8]; | |
103 | struct gpu_irq irq; | |
104 | }; | |
105 | ||
106 | struct ps3fb_priv { | |
107 | unsigned int irq_no; | |
310d8c11 GU |
108 | |
109 | u64 context_handle, memory_handle; | |
310d8c11 | 110 | struct gpu_driver_info *dinfo; |
310d8c11 GU |
111 | |
112 | u64 vblank_count; /* frame count */ | |
113 | wait_queue_head_t wait_vsync; | |
114 | ||
310d8c11 GU |
115 | atomic_t ext_flip; /* on/off flip with vsync */ |
116 | atomic_t f_count; /* fb_open count */ | |
117 | int is_blanked; | |
1c0c8461 GU |
118 | int is_kicked; |
119 | struct task_struct *task; | |
310d8c11 GU |
120 | }; |
121 | static struct ps3fb_priv ps3fb; | |
122 | ||
0333d835 GU |
123 | struct ps3fb_par { |
124 | u32 pseudo_palette[16]; | |
125 | int mode_id, new_mode_id; | |
0333d835 | 126 | unsigned int num_frames; /* num of frame buffers */ |
f1664ed8 GU |
127 | unsigned int width; |
128 | unsigned int height; | |
9f4f21b4 GU |
129 | unsigned int ddr_line_length; |
130 | unsigned int ddr_frame_size; | |
131 | unsigned int xdr_frame_size; | |
7974f72a GU |
132 | unsigned int full_offset; /* start of fullscreen DDR fb */ |
133 | unsigned int fb_offset; /* start of actual DDR fb */ | |
134 | unsigned int pan_offset; | |
0333d835 GU |
135 | }; |
136 | ||
310d8c11 | 137 | |
34c422fb GU |
138 | #define FIRST_NATIVE_MODE_INDEX 10 |
139 | ||
310d8c11 GU |
140 | static const struct fb_videomode ps3fb_modedb[] = { |
141 | /* 60 Hz broadcast modes (modes "1" to "5") */ | |
142 | { | |
143 | /* 480i */ | |
144 | "480i", 60, 576, 384, 74074, 130, 89, 78, 57, 63, 6, | |
145 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED | |
146 | }, { | |
147 | /* 480p */ | |
148 | "480p", 60, 576, 384, 37037, 130, 89, 78, 57, 63, 6, | |
149 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | |
150 | }, { | |
151 | /* 720p */ | |
152 | "720p", 60, 1124, 644, 13481, 298, 148, 57, 44, 80, 5, | |
153 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | |
154 | }, { | |
155 | /* 1080i */ | |
156 | "1080i", 60, 1688, 964, 13481, 264, 160, 94, 62, 88, 5, | |
157 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED | |
158 | }, { | |
159 | /* 1080p */ | |
160 | "1080p", 60, 1688, 964, 6741, 264, 160, 94, 62, 88, 5, | |
161 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | |
162 | }, | |
163 | ||
164 | /* 50 Hz broadcast modes (modes "6" to "10") */ | |
165 | { | |
166 | /* 576i */ | |
167 | "576i", 50, 576, 460, 74074, 142, 83, 97, 63, 63, 5, | |
168 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED | |
169 | }, { | |
170 | /* 576p */ | |
171 | "576p", 50, 576, 460, 37037, 142, 83, 97, 63, 63, 5, | |
172 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | |
173 | }, { | |
174 | /* 720p */ | |
175 | "720p", 50, 1124, 644, 13468, 298, 478, 57, 44, 80, 5, | |
176 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | |
177 | }, { | |
a782eed6 | 178 | /* 1080i */ |
310d8c11 GU |
179 | "1080i", 50, 1688, 964, 13468, 264, 600, 94, 62, 88, 5, |
180 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED | |
181 | }, { | |
182 | /* 1080p */ | |
183 | "1080p", 50, 1688, 964, 6734, 264, 600, 94, 62, 88, 5, | |
184 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | |
185 | }, | |
186 | ||
34c422fb | 187 | [FIRST_NATIVE_MODE_INDEX] = |
310d8c11 GU |
188 | /* 60 Hz broadcast modes (full resolution versions of modes "1" to "5") */ |
189 | { | |
190 | /* 480if */ | |
191 | "480if", 60, 720, 480, 74074, 58, 17, 30, 9, 63, 6, | |
192 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED | |
193 | }, { | |
194 | /* 480pf */ | |
195 | "480pf", 60, 720, 480, 37037, 58, 17, 30, 9, 63, 6, | |
196 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | |
197 | }, { | |
198 | /* 720pf */ | |
199 | "720pf", 60, 1280, 720, 13481, 220, 70, 19, 6, 80, 5, | |
200 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | |
201 | }, { | |
202 | /* 1080if */ | |
203 | "1080if", 60, 1920, 1080, 13481, 148, 44, 36, 4, 88, 5, | |
204 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED | |
205 | }, { | |
206 | /* 1080pf */ | |
207 | "1080pf", 60, 1920, 1080, 6741, 148, 44, 36, 4, 88, 5, | |
208 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | |
209 | }, | |
210 | ||
211 | /* 50 Hz broadcast modes (full resolution versions of modes "6" to "10") */ | |
212 | { | |
213 | /* 576if */ | |
214 | "576if", 50, 720, 576, 74074, 70, 11, 39, 5, 63, 5, | |
215 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED | |
216 | }, { | |
217 | /* 576pf */ | |
218 | "576pf", 50, 720, 576, 37037, 70, 11, 39, 5, 63, 5, | |
219 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | |
220 | }, { | |
221 | /* 720pf */ | |
222 | "720pf", 50, 1280, 720, 13468, 220, 400, 19, 6, 80, 5, | |
223 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | |
224 | }, { | |
225 | /* 1080if */ | |
a782eed6 | 226 | "1080if", 50, 1920, 1080, 13468, 148, 484, 36, 4, 88, 5, |
310d8c11 GU |
227 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED |
228 | }, { | |
229 | /* 1080pf */ | |
230 | "1080pf", 50, 1920, 1080, 6734, 148, 484, 36, 4, 88, 5, | |
231 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | |
34c422fb GU |
232 | }, |
233 | ||
234 | /* VESA modes (modes "11" to "13") */ | |
235 | { | |
236 | /* WXGA */ | |
237 | "wxga", 60, 1280, 768, 12924, 160, 24, 29, 3, 136, 6, | |
238 | 0, FB_VMODE_NONINTERLACED, | |
239 | FB_MODE_IS_VESA | |
240 | }, { | |
241 | /* SXGA */ | |
242 | "sxga", 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3, | |
243 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, | |
244 | FB_MODE_IS_VESA | |
245 | }, { | |
246 | /* WUXGA */ | |
247 | "wuxga", 60, 1920, 1200, 6494, 80, 48, 26, 3, 32, 6, | |
248 | FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED, | |
249 | FB_MODE_IS_VESA | |
310d8c11 GU |
250 | } |
251 | }; | |
252 | ||
253 | ||
254 | #define HEAD_A | |
255 | #define HEAD_B | |
256 | ||
2ce32e15 GU |
257 | #define BPP 4 /* number of bytes per pixel */ |
258 | ||
310d8c11 | 259 | |
bd685ac8 | 260 | static int ps3fb_mode; |
9e6b99bd | 261 | module_param(ps3fb_mode, int, 0); |
310d8c11 | 262 | |
48c68c4f | 263 | static char *mode_option; |
310d8c11 | 264 | |
633bd111 GU |
265 | static int ps3fb_cmp_mode(const struct fb_videomode *vmode, |
266 | const struct fb_var_screeninfo *var) | |
267 | { | |
a3665366 GU |
268 | long xres, yres, left_margin, right_margin, upper_margin, lower_margin; |
269 | long dx, dy; | |
270 | ||
271 | /* maximum values */ | |
272 | if (var->xres > vmode->xres || var->yres > vmode->yres || | |
273 | var->pixclock > vmode->pixclock || | |
274 | var->hsync_len > vmode->hsync_len || | |
275 | var->vsync_len > vmode->vsync_len) | |
633bd111 GU |
276 | return -1; |
277 | ||
a3665366 GU |
278 | /* progressive/interlaced must match */ |
279 | if ((var->vmode & FB_VMODE_MASK) != vmode->vmode) | |
633bd111 GU |
280 | return -1; |
281 | ||
a3665366 GU |
282 | /* minimum resolution */ |
283 | xres = max(var->xres, 1U); | |
284 | yres = max(var->yres, 1U); | |
285 | ||
286 | /* minimum margins */ | |
287 | left_margin = max(var->left_margin, vmode->left_margin); | |
288 | right_margin = max(var->right_margin, vmode->right_margin); | |
289 | upper_margin = max(var->upper_margin, vmode->upper_margin); | |
290 | lower_margin = max(var->lower_margin, vmode->lower_margin); | |
291 | ||
292 | /* resolution + margins may not exceed native parameters */ | |
293 | dx = ((long)vmode->left_margin + (long)vmode->xres + | |
294 | (long)vmode->right_margin) - | |
295 | (left_margin + xres + right_margin); | |
296 | if (dx < 0) | |
633bd111 GU |
297 | return -1; |
298 | ||
a3665366 GU |
299 | dy = ((long)vmode->upper_margin + (long)vmode->yres + |
300 | (long)vmode->lower_margin) - | |
301 | (upper_margin + yres + lower_margin); | |
302 | if (dy < 0) | |
303 | return -1; | |
304 | ||
305 | /* exact match */ | |
306 | if (!dx && !dy) | |
307 | return 0; | |
308 | ||
309 | /* resolution difference */ | |
310 | return (vmode->xres - xres) * (vmode->yres - yres); | |
633bd111 GU |
311 | } |
312 | ||
34c422fb GU |
313 | static const struct fb_videomode *ps3fb_native_vmode(enum ps3av_mode_num id) |
314 | { | |
315 | return &ps3fb_modedb[FIRST_NATIVE_MODE_INDEX + id - 1]; | |
316 | } | |
317 | ||
318 | static const struct fb_videomode *ps3fb_vmode(int id) | |
319 | { | |
320 | u32 mode = id & PS3AV_MODE_MASK; | |
321 | ||
322 | if (mode < PS3AV_MODE_480I || mode > PS3AV_MODE_WUXGA) | |
323 | return NULL; | |
324 | ||
325 | if (mode <= PS3AV_MODE_1080P50 && !(id & PS3AV_MODE_FULL)) { | |
326 | /* Non-fullscreen broadcast mode */ | |
327 | return &ps3fb_modedb[mode - 1]; | |
328 | } | |
329 | ||
330 | return ps3fb_native_vmode(mode); | |
331 | } | |
332 | ||
633bd111 | 333 | static unsigned int ps3fb_find_mode(struct fb_var_screeninfo *var, |
61e0b28e | 334 | u32 *ddr_line_length, u32 *xdr_line_length) |
310d8c11 | 335 | { |
a3665366 GU |
336 | unsigned int id, best_id; |
337 | int diff, best_diff; | |
34c422fb | 338 | const struct fb_videomode *vmode; |
a3665366 | 339 | long gap; |
633bd111 | 340 | |
a3665366 GU |
341 | best_id = 0; |
342 | best_diff = INT_MAX; | |
343 | pr_debug("%s: wanted %u [%u] %u x %u [%u] %u\n", __func__, | |
344 | var->left_margin, var->xres, var->right_margin, | |
345 | var->upper_margin, var->yres, var->lower_margin); | |
34c422fb GU |
346 | for (id = PS3AV_MODE_480I; id <= PS3AV_MODE_WUXGA; id++) { |
347 | vmode = ps3fb_native_vmode(id); | |
a3665366 GU |
348 | diff = ps3fb_cmp_mode(vmode, var); |
349 | pr_debug("%s: mode %u: %u [%u] %u x %u [%u] %u: diff = %d\n", | |
350 | __func__, id, vmode->left_margin, vmode->xres, | |
351 | vmode->right_margin, vmode->upper_margin, | |
352 | vmode->yres, vmode->lower_margin, diff); | |
353 | if (diff < 0) | |
354 | continue; | |
355 | if (diff < best_diff) { | |
356 | best_id = id; | |
357 | if (!diff) | |
358 | break; | |
359 | best_diff = diff; | |
360 | } | |
34c422fb | 361 | } |
310d8c11 | 362 | |
a3665366 GU |
363 | if (!best_id) { |
364 | pr_debug("%s: no suitable mode found\n", __func__); | |
365 | return 0; | |
366 | } | |
367 | ||
368 | id = best_id; | |
369 | vmode = ps3fb_native_vmode(id); | |
61e0b28e | 370 | |
34c422fb | 371 | *ddr_line_length = vmode->xres * BPP; |
633bd111 | 372 | |
a3665366 GU |
373 | /* minimum resolution */ |
374 | if (!var->xres) | |
633bd111 | 375 | var->xres = 1; |
a3665366 | 376 | if (!var->yres) |
633bd111 | 377 | var->yres = 1; |
a3665366 GU |
378 | |
379 | /* minimum virtual resolution */ | |
380 | if (var->xres_virtual < var->xres) | |
381 | var->xres_virtual = var->xres; | |
382 | if (var->yres_virtual < var->yres) | |
383 | var->yres_virtual = var->yres; | |
384 | ||
385 | /* minimum margins */ | |
386 | if (var->left_margin < vmode->left_margin) | |
387 | var->left_margin = vmode->left_margin; | |
388 | if (var->right_margin < vmode->right_margin) | |
389 | var->right_margin = vmode->right_margin; | |
390 | if (var->upper_margin < vmode->upper_margin) | |
391 | var->upper_margin = vmode->upper_margin; | |
392 | if (var->lower_margin < vmode->lower_margin) | |
393 | var->lower_margin = vmode->lower_margin; | |
394 | ||
395 | /* extra margins */ | |
396 | gap = ((long)vmode->left_margin + (long)vmode->xres + | |
397 | (long)vmode->right_margin) - | |
398 | ((long)var->left_margin + (long)var->xres + | |
399 | (long)var->right_margin); | |
400 | if (gap > 0) { | |
401 | var->left_margin += gap/2; | |
402 | var->right_margin += (gap+1)/2; | |
403 | pr_debug("%s: rounded up H to %u [%u] %u\n", __func__, | |
404 | var->left_margin, var->xres, var->right_margin); | |
405 | } | |
406 | ||
407 | gap = ((long)vmode->upper_margin + (long)vmode->yres + | |
408 | (long)vmode->lower_margin) - | |
409 | ((long)var->upper_margin + (long)var->yres + | |
410 | (long)var->lower_margin); | |
411 | if (gap > 0) { | |
412 | var->upper_margin += gap/2; | |
413 | var->lower_margin += (gap+1)/2; | |
414 | pr_debug("%s: rounded up V to %u [%u] %u\n", __func__, | |
415 | var->upper_margin, var->yres, var->lower_margin); | |
633bd111 | 416 | } |
61e0b28e | 417 | |
a3665366 GU |
418 | /* fixed fields */ |
419 | var->pixclock = vmode->pixclock; | |
420 | var->hsync_len = vmode->hsync_len; | |
421 | var->vsync_len = vmode->vsync_len; | |
422 | var->sync = vmode->sync; | |
423 | ||
61e0b28e | 424 | if (ps3_compare_firmware_version(1, 9, 0) >= 0) { |
a3665366 | 425 | *xdr_line_length = GPU_ALIGN_UP(var->xres_virtual * BPP); |
61e0b28e GU |
426 | if (*xdr_line_length > GPU_MAX_LINE_LENGTH) |
427 | *xdr_line_length = GPU_MAX_LINE_LENGTH; | |
428 | } else | |
429 | *xdr_line_length = *ddr_line_length; | |
430 | ||
34c422fb | 431 | if (vmode->sync & FB_SYNC_BROADCAST) { |
633bd111 | 432 | /* Full broadcast modes have the full mode bit set */ |
34c422fb GU |
433 | if (vmode->xres == var->xres && vmode->yres == var->yres) |
434 | id |= PS3AV_MODE_FULL; | |
310d8c11 GU |
435 | } |
436 | ||
34c422fb GU |
437 | pr_debug("%s: mode %u\n", __func__, id); |
438 | return id; | |
310d8c11 GU |
439 | } |
440 | ||
f1664ed8 GU |
441 | static void ps3fb_sync_image(struct device *dev, u64 frame_offset, |
442 | u64 dst_offset, u64 src_offset, u32 width, | |
61e0b28e GU |
443 | u32 height, u32 dst_line_length, |
444 | u32 src_line_length) | |
310d8c11 | 445 | { |
f1664ed8 | 446 | int status; |
61e0b28e GU |
447 | u64 line_length; |
448 | ||
449 | line_length = dst_line_length; | |
450 | if (src_line_length != dst_line_length) | |
451 | line_length |= (u64)src_line_length << 32; | |
310d8c11 | 452 | |
9ac67a35 | 453 | src_offset += GPU_FB_START; |
9b82f3e6 GU |
454 | |
455 | mutex_lock(&ps3_gpu_mutex); | |
d3352c9f GU |
456 | status = lv1_gpu_fb_blit(ps3fb.context_handle, dst_offset, |
457 | GPU_IOIF + src_offset, | |
458 | L1GPU_FB_BLIT_WAIT_FOR_COMPLETION | | |
459 | (width << 16) | height, | |
460 | line_length); | |
9b82f3e6 GU |
461 | mutex_unlock(&ps3_gpu_mutex); |
462 | ||
310d8c11 | 463 | if (status) |
d3352c9f GU |
464 | dev_err(dev, "%s: lv1_gpu_fb_blit failed: %d\n", __func__, |
465 | status); | |
310d8c11 | 466 | #ifdef HEAD_A |
d3352c9f | 467 | status = lv1_gpu_display_flip(ps3fb.context_handle, 0, frame_offset); |
310d8c11 | 468 | if (status) |
d3352c9f GU |
469 | dev_err(dev, "%s: lv1_gpu_display_flip failed: %d\n", __func__, |
470 | status); | |
310d8c11 GU |
471 | #endif |
472 | #ifdef HEAD_B | |
d3352c9f | 473 | status = lv1_gpu_display_flip(ps3fb.context_handle, 1, frame_offset); |
310d8c11 | 474 | if (status) |
d3352c9f GU |
475 | dev_err(dev, "%s: lv1_gpu_display_flip failed: %d\n", __func__, |
476 | status); | |
310d8c11 | 477 | #endif |
f1664ed8 GU |
478 | } |
479 | ||
480 | static int ps3fb_sync(struct fb_info *info, u32 frame) | |
481 | { | |
482 | struct ps3fb_par *par = info->par; | |
9f4f21b4 | 483 | int error = 0; |
61e0b28e | 484 | u64 ddr_base, xdr_base; |
f1664ed8 | 485 | |
f1664ed8 GU |
486 | if (frame > par->num_frames - 1) { |
487 | dev_dbg(info->device, "%s: invalid frame number (%u)\n", | |
488 | __func__, frame); | |
489 | error = -EINVAL; | |
490 | goto out; | |
491 | } | |
492 | ||
9f4f21b4 GU |
493 | xdr_base = frame * par->xdr_frame_size; |
494 | ddr_base = frame * par->ddr_frame_size; | |
f1664ed8 | 495 | |
61e0b28e GU |
496 | ps3fb_sync_image(info->device, ddr_base + par->full_offset, |
497 | ddr_base + par->fb_offset, xdr_base + par->pan_offset, | |
9f4f21b4 GU |
498 | par->width, par->height, par->ddr_line_length, |
499 | info->fix.line_length); | |
0333d835 GU |
500 | |
501 | out: | |
0333d835 | 502 | return error; |
310d8c11 GU |
503 | } |
504 | ||
310d8c11 GU |
505 | static int ps3fb_open(struct fb_info *info, int user) |
506 | { | |
507 | atomic_inc(&ps3fb.f_count); | |
508 | return 0; | |
509 | } | |
510 | ||
511 | static int ps3fb_release(struct fb_info *info, int user) | |
512 | { | |
513 | if (atomic_dec_and_test(&ps3fb.f_count)) { | |
514 | if (atomic_read(&ps3fb.ext_flip)) { | |
515 | atomic_set(&ps3fb.ext_flip, 0); | |
ac751efa | 516 | if (console_trylock()) { |
8dab6376 | 517 | ps3fb_sync(info, 0); /* single buffer */ |
ac751efa | 518 | console_unlock(); |
8dab6376 | 519 | } |
310d8c11 GU |
520 | } |
521 | } | |
522 | return 0; | |
523 | } | |
524 | ||
525 | /* | |
526 | * Setting the video mode has been split into two parts. | |
527 | * First part, xxxfb_check_var, must not write anything | |
528 | * to hardware, it should only verify and adjust var. | |
529 | * This means it doesn't alter par but it does use hardware | |
530 | * data from it to check this var. | |
531 | */ | |
532 | ||
533 | static int ps3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) | |
534 | { | |
61e0b28e | 535 | u32 xdr_line_length, ddr_line_length; |
310d8c11 | 536 | int mode; |
310d8c11 | 537 | |
61e0b28e | 538 | mode = ps3fb_find_mode(var, &ddr_line_length, &xdr_line_length); |
310d8c11 GU |
539 | if (!mode) |
540 | return -EINVAL; | |
541 | ||
fc7028b7 | 542 | /* Virtual screen */ |
61e0b28e | 543 | if (var->xres_virtual > xdr_line_length / BPP) { |
535da7ff | 544 | dev_dbg(info->device, |
fc7028b7 | 545 | "Horizontal virtual screen size too large\n"); |
310d8c11 GU |
546 | return -EINVAL; |
547 | } | |
548 | ||
fc7028b7 GU |
549 | if (var->xoffset + var->xres > var->xres_virtual || |
550 | var->yoffset + var->yres > var->yres_virtual) { | |
551 | dev_dbg(info->device, "panning out-of-range\n"); | |
552 | return -EINVAL; | |
553 | } | |
310d8c11 GU |
554 | |
555 | /* We support ARGB8888 only */ | |
556 | if (var->bits_per_pixel > 32 || var->grayscale || | |
557 | var->red.offset > 16 || var->green.offset > 8 || | |
558 | var->blue.offset > 0 || var->transp.offset > 24 || | |
559 | var->red.length > 8 || var->green.length > 8 || | |
560 | var->blue.length > 8 || var->transp.length > 8 || | |
561 | var->red.msb_right || var->green.msb_right || | |
562 | var->blue.msb_right || var->transp.msb_right || var->nonstd) { | |
535da7ff | 563 | dev_dbg(info->device, "We support ARGB8888 only\n"); |
310d8c11 GU |
564 | return -EINVAL; |
565 | } | |
566 | ||
567 | var->bits_per_pixel = 32; | |
568 | var->red.offset = 16; | |
569 | var->green.offset = 8; | |
570 | var->blue.offset = 0; | |
571 | var->transp.offset = 24; | |
572 | var->red.length = 8; | |
573 | var->green.length = 8; | |
574 | var->blue.length = 8; | |
575 | var->transp.length = 8; | |
576 | var->red.msb_right = 0; | |
577 | var->green.msb_right = 0; | |
578 | var->blue.msb_right = 0; | |
579 | var->transp.msb_right = 0; | |
580 | ||
581 | /* Rotation is not supported */ | |
582 | if (var->rotate) { | |
535da7ff | 583 | dev_dbg(info->device, "Rotation is not supported\n"); |
310d8c11 GU |
584 | return -EINVAL; |
585 | } | |
586 | ||
587 | /* Memory limit */ | |
a286408c | 588 | if (var->yres_virtual * xdr_line_length > info->fix.smem_len) { |
535da7ff | 589 | dev_dbg(info->device, "Not enough memory\n"); |
310d8c11 GU |
590 | return -ENOMEM; |
591 | } | |
592 | ||
593 | var->height = -1; | |
594 | var->width = -1; | |
595 | ||
596 | return 0; | |
597 | } | |
598 | ||
599 | /* | |
600 | * This routine actually sets the video mode. | |
601 | */ | |
602 | ||
603 | static int ps3fb_set_par(struct fb_info *info) | |
604 | { | |
0333d835 | 605 | struct ps3fb_par *par = info->par; |
61e0b28e | 606 | unsigned int mode, ddr_line_length, xdr_line_length, lines, maxlines; |
7974f72a | 607 | unsigned int ddr_xoff, ddr_yoff, offset; |
9f4f21b4 | 608 | const struct fb_videomode *vmode; |
61e0b28e | 609 | u64 dst; |
310d8c11 | 610 | |
61e0b28e | 611 | mode = ps3fb_find_mode(&info->var, &ddr_line_length, &xdr_line_length); |
310d8c11 GU |
612 | if (!mode) |
613 | return -EINVAL; | |
614 | ||
34c422fb | 615 | vmode = ps3fb_native_vmode(mode & PS3AV_MODE_MASK); |
c95344a5 | 616 | |
fc7028b7 GU |
617 | info->fix.xpanstep = info->var.xres_virtual > info->var.xres ? 1 : 0; |
618 | info->fix.ypanstep = info->var.yres_virtual > info->var.yres ? 1 : 0; | |
61e0b28e | 619 | info->fix.line_length = xdr_line_length; |
fc7028b7 | 620 | |
9f4f21b4 GU |
621 | par->ddr_line_length = ddr_line_length; |
622 | par->ddr_frame_size = vmode->yres * ddr_line_length; | |
623 | par->xdr_frame_size = info->var.yres_virtual * xdr_line_length; | |
624 | ||
a286408c | 625 | par->num_frames = info->fix.smem_len / |
9f4f21b4 | 626 | max(par->ddr_frame_size, par->xdr_frame_size); |
310d8c11 GU |
627 | |
628 | /* Keep the special bits we cannot set using fb_var_screeninfo */ | |
0333d835 | 629 | par->new_mode_id = (par->new_mode_id & ~PS3AV_MODE_MASK) | mode; |
310d8c11 | 630 | |
f1664ed8 GU |
631 | par->width = info->var.xres; |
632 | par->height = info->var.yres; | |
d9a4ba6a GU |
633 | |
634 | /* Start of the virtual frame buffer (relative to fullscreen) */ | |
9f4f21b4 GU |
635 | ddr_xoff = info->var.left_margin - vmode->left_margin; |
636 | ddr_yoff = info->var.upper_margin - vmode->upper_margin; | |
637 | offset = ddr_yoff * ddr_line_length + ddr_xoff * BPP; | |
d9a4ba6a | 638 | |
f1664ed8 GU |
639 | par->fb_offset = GPU_ALIGN_UP(offset); |
640 | par->full_offset = par->fb_offset - offset; | |
61e0b28e | 641 | par->pan_offset = info->var.yoffset * xdr_line_length + |
fc7028b7 | 642 | info->var.xoffset * BPP; |
f1664ed8 | 643 | |
0333d835 GU |
644 | if (par->new_mode_id != par->mode_id) { |
645 | if (ps3av_set_video_mode(par->new_mode_id)) { | |
646 | par->new_mode_id = par->mode_id; | |
647 | return -EINVAL; | |
648 | } | |
649 | par->mode_id = par->new_mode_id; | |
650 | } | |
310d8c11 | 651 | |
f1664ed8 | 652 | /* Clear XDR frame buffer memory */ |
bdb61647 | 653 | memset(info->screen_buffer, 0, info->fix.smem_len); |
f1664ed8 GU |
654 | |
655 | /* Clear DDR frame buffer memory */ | |
9f4f21b4 | 656 | lines = vmode->yres * par->num_frames; |
f1664ed8 GU |
657 | if (par->full_offset) |
658 | lines++; | |
a286408c | 659 | maxlines = info->fix.smem_len / ddr_line_length; |
61e0b28e | 660 | for (dst = 0; lines; dst += maxlines * ddr_line_length) { |
f1664ed8 | 661 | unsigned int l = min(lines, maxlines); |
9f4f21b4 | 662 | ps3fb_sync_image(info->device, 0, dst, 0, vmode->xres, l, |
61e0b28e | 663 | ddr_line_length, ddr_line_length); |
f1664ed8 GU |
664 | lines -= l; |
665 | } | |
666 | ||
310d8c11 GU |
667 | return 0; |
668 | } | |
669 | ||
670 | /* | |
671 | * Set a single color register. The values supplied are already | |
672 | * rounded down to the hardware's capabilities (according to the | |
673 | * entries in the var structure). Return != 0 for invalid regno. | |
674 | */ | |
675 | ||
676 | static int ps3fb_setcolreg(unsigned int regno, unsigned int red, | |
677 | unsigned int green, unsigned int blue, | |
678 | unsigned int transp, struct fb_info *info) | |
679 | { | |
680 | if (regno >= 16) | |
681 | return 1; | |
682 | ||
683 | red >>= 8; | |
684 | green >>= 8; | |
685 | blue >>= 8; | |
686 | transp >>= 8; | |
687 | ||
688 | ((u32 *)info->pseudo_palette)[regno] = transp << 24 | red << 16 | | |
689 | green << 8 | blue; | |
690 | return 0; | |
691 | } | |
692 | ||
fc7028b7 GU |
693 | static int ps3fb_pan_display(struct fb_var_screeninfo *var, |
694 | struct fb_info *info) | |
695 | { | |
696 | struct ps3fb_par *par = info->par; | |
697 | ||
698 | par->pan_offset = var->yoffset * info->fix.line_length + | |
699 | var->xoffset * BPP; | |
700 | return 0; | |
701 | } | |
702 | ||
310d8c11 GU |
703 | /* |
704 | * As we have a virtual frame buffer, we need our own mmap function | |
705 | */ | |
706 | ||
707 | static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma) | |
708 | { | |
11bd5933 | 709 | int r; |
310d8c11 | 710 | |
11bd5933 | 711 | r = vm_iomap_memory(vma, info->fix.smem_start, info->fix.smem_len); |
310d8c11 | 712 | |
535da7ff | 713 | dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n", |
b358c6cf | 714 | info->fix.smem_start + (vma->vm_pgoff << PAGE_SHIFT), |
11bd5933 TV |
715 | vma->vm_start); |
716 | ||
717 | return r; | |
310d8c11 GU |
718 | } |
719 | ||
720 | /* | |
721 | * Blank the display | |
722 | */ | |
723 | ||
724 | static int ps3fb_blank(int blank, struct fb_info *info) | |
725 | { | |
726 | int retval; | |
727 | ||
535da7ff | 728 | dev_dbg(info->device, "%s: blank:%d\n", __func__, blank); |
310d8c11 GU |
729 | switch (blank) { |
730 | case FB_BLANK_POWERDOWN: | |
731 | case FB_BLANK_HSYNC_SUSPEND: | |
732 | case FB_BLANK_VSYNC_SUSPEND: | |
733 | case FB_BLANK_NORMAL: | |
734 | retval = ps3av_video_mute(1); /* mute on */ | |
735 | if (!retval) | |
736 | ps3fb.is_blanked = 1; | |
737 | break; | |
738 | ||
739 | default: /* unblank */ | |
740 | retval = ps3av_video_mute(0); /* mute off */ | |
741 | if (!retval) | |
742 | ps3fb.is_blanked = 0; | |
743 | break; | |
744 | } | |
745 | return retval; | |
746 | } | |
747 | ||
748 | static int ps3fb_get_vblank(struct fb_vblank *vblank) | |
749 | { | |
3cc2c177 | 750 | memset(vblank, 0, sizeof(*vblank)); |
310d8c11 GU |
751 | vblank->flags = FB_VBLANK_HAVE_VSYNC; |
752 | return 0; | |
753 | } | |
754 | ||
15e4d001 | 755 | static int ps3fb_wait_for_vsync(u32 crtc) |
310d8c11 GU |
756 | { |
757 | int ret; | |
758 | u64 count; | |
759 | ||
760 | count = ps3fb.vblank_count; | |
761 | ret = wait_event_interruptible_timeout(ps3fb.wait_vsync, | |
762 | count != ps3fb.vblank_count, | |
763 | HZ / 10); | |
764 | if (!ret) | |
765 | return -ETIMEDOUT; | |
766 | ||
767 | return 0; | |
768 | } | |
769 | ||
310d8c11 GU |
770 | |
771 | /* | |
772 | * ioctl | |
773 | */ | |
774 | ||
775 | static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd, | |
776 | unsigned long arg) | |
777 | { | |
778 | void __user *argp = (void __user *)arg; | |
0333d835 | 779 | u32 val; |
310d8c11 GU |
780 | int retval = -EFAULT; |
781 | ||
782 | switch (cmd) { | |
783 | case FBIOGET_VBLANK: | |
784 | { | |
785 | struct fb_vblank vblank; | |
535da7ff | 786 | dev_dbg(info->device, "FBIOGET_VBLANK:\n"); |
310d8c11 GU |
787 | retval = ps3fb_get_vblank(&vblank); |
788 | if (retval) | |
789 | break; | |
790 | ||
791 | if (copy_to_user(argp, &vblank, sizeof(vblank))) | |
792 | retval = -EFAULT; | |
793 | break; | |
794 | } | |
795 | ||
796 | case FBIO_WAITFORVSYNC: | |
797 | { | |
798 | u32 crt; | |
535da7ff | 799 | dev_dbg(info->device, "FBIO_WAITFORVSYNC:\n"); |
310d8c11 GU |
800 | if (get_user(crt, (u32 __user *) arg)) |
801 | break; | |
802 | ||
803 | retval = ps3fb_wait_for_vsync(crt); | |
804 | break; | |
805 | } | |
806 | ||
807 | case PS3FB_IOCTL_SETMODE: | |
808 | { | |
0333d835 | 809 | struct ps3fb_par *par = info->par; |
34c422fb | 810 | const struct fb_videomode *vmode; |
310d8c11 GU |
811 | struct fb_var_screeninfo var; |
812 | ||
813 | if (copy_from_user(&val, argp, sizeof(val))) | |
814 | break; | |
815 | ||
64072901 | 816 | if (!(val & PS3AV_MODE_MASK)) { |
ce4c371a | 817 | u32 id = ps3av_get_auto_mode(); |
64072901 MK |
818 | if (id > 0) |
819 | val = (val & ~PS3AV_MODE_MASK) | id; | |
820 | } | |
535da7ff | 821 | dev_dbg(info->device, "PS3FB_IOCTL_SETMODE:%x\n", val); |
310d8c11 | 822 | retval = -EINVAL; |
34c422fb GU |
823 | vmode = ps3fb_vmode(val); |
824 | if (vmode) { | |
310d8c11 | 825 | var = info->var; |
34c422fb | 826 | fb_videomode_to_var(&var, vmode); |
ac751efa | 827 | console_lock(); |
310d8c11 GU |
828 | /* Force, in case only special bits changed */ |
829 | var.activate |= FB_ACTIVATE_FORCE; | |
0333d835 | 830 | par->new_mode_id = val; |
310d8c11 | 831 | retval = fb_set_var(info, &var); |
d88ca7e1 TH |
832 | if (!retval) |
833 | fbcon_update_vcs(info, var.activate & FB_ACTIVATE_ALL); | |
ac751efa | 834 | console_unlock(); |
310d8c11 | 835 | } |
310d8c11 GU |
836 | break; |
837 | } | |
838 | ||
839 | case PS3FB_IOCTL_GETMODE: | |
840 | val = ps3av_get_mode(); | |
535da7ff | 841 | dev_dbg(info->device, "PS3FB_IOCTL_GETMODE:%x\n", val); |
310d8c11 GU |
842 | if (!copy_to_user(argp, &val, sizeof(val))) |
843 | retval = 0; | |
844 | break; | |
845 | ||
846 | case PS3FB_IOCTL_SCREENINFO: | |
847 | { | |
0333d835 | 848 | struct ps3fb_par *par = info->par; |
310d8c11 | 849 | struct ps3fb_ioctl_res res; |
535da7ff | 850 | dev_dbg(info->device, "PS3FB_IOCTL_SCREENINFO:\n"); |
61e0b28e GU |
851 | res.xres = info->fix.line_length / BPP; |
852 | res.yres = info->var.yres_virtual; | |
853 | res.xoff = (res.xres - info->var.xres) / 2; | |
854 | res.yoff = (res.yres - info->var.yres) / 2; | |
0333d835 | 855 | res.num_frames = par->num_frames; |
310d8c11 GU |
856 | if (!copy_to_user(argp, &res, sizeof(res))) |
857 | retval = 0; | |
858 | break; | |
859 | } | |
860 | ||
861 | case PS3FB_IOCTL_ON: | |
535da7ff | 862 | dev_dbg(info->device, "PS3FB_IOCTL_ON:\n"); |
310d8c11 GU |
863 | atomic_inc(&ps3fb.ext_flip); |
864 | retval = 0; | |
865 | break; | |
866 | ||
867 | case PS3FB_IOCTL_OFF: | |
535da7ff | 868 | dev_dbg(info->device, "PS3FB_IOCTL_OFF:\n"); |
eca28743 | 869 | atomic_dec_if_positive(&ps3fb.ext_flip); |
310d8c11 GU |
870 | retval = 0; |
871 | break; | |
872 | ||
873 | case PS3FB_IOCTL_FSEL: | |
874 | if (copy_from_user(&val, argp, sizeof(val))) | |
875 | break; | |
876 | ||
535da7ff | 877 | dev_dbg(info->device, "PS3FB_IOCTL_FSEL:%d\n", val); |
ac751efa | 878 | console_lock(); |
535da7ff | 879 | retval = ps3fb_sync(info, val); |
ac751efa | 880 | console_unlock(); |
310d8c11 GU |
881 | break; |
882 | ||
883 | default: | |
884 | retval = -ENOIOCTLCMD; | |
885 | break; | |
886 | } | |
887 | return retval; | |
888 | } | |
889 | ||
890 | static int ps3fbd(void *arg) | |
891 | { | |
535da7ff GU |
892 | struct fb_info *info = arg; |
893 | ||
83144186 | 894 | set_freezable(); |
1c0c8461 GU |
895 | while (!kthread_should_stop()) { |
896 | try_to_freeze(); | |
897 | set_current_state(TASK_INTERRUPTIBLE); | |
898 | if (ps3fb.is_kicked) { | |
899 | ps3fb.is_kicked = 0; | |
ac751efa | 900 | console_lock(); |
535da7ff | 901 | ps3fb_sync(info, 0); /* single buffer */ |
ac751efa | 902 | console_unlock(); |
1c0c8461 GU |
903 | } |
904 | schedule(); | |
310d8c11 GU |
905 | } |
906 | return 0; | |
907 | } | |
908 | ||
909 | static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr) | |
910 | { | |
535da7ff | 911 | struct device *dev = ptr; |
310d8c11 GU |
912 | u64 v1; |
913 | int status; | |
914 | struct display_head *head = &ps3fb.dinfo->display_head[1]; | |
915 | ||
916 | status = lv1_gpu_context_intr(ps3fb.context_handle, &v1); | |
917 | if (status) { | |
535da7ff GU |
918 | dev_err(dev, "%s: lv1_gpu_context_intr failed: %d\n", __func__, |
919 | status); | |
310d8c11 GU |
920 | return IRQ_NONE; |
921 | } | |
922 | ||
923 | if (v1 & (1 << GPU_INTR_STATUS_VSYNC_1)) { | |
924 | /* VSYNC */ | |
925 | ps3fb.vblank_count = head->vblank_count; | |
1c0c8461 GU |
926 | if (ps3fb.task && !ps3fb.is_blanked && |
927 | !atomic_read(&ps3fb.ext_flip)) { | |
928 | ps3fb.is_kicked = 1; | |
929 | wake_up_process(ps3fb.task); | |
930 | } | |
310d8c11 GU |
931 | wake_up_interruptible(&ps3fb.wait_vsync); |
932 | } | |
933 | ||
934 | return IRQ_HANDLED; | |
935 | } | |
936 | ||
310d8c11 | 937 | |
8a48ac33 | 938 | static const struct fb_ops ps3fb_ops = { |
25ec15ab | 939 | .owner = THIS_MODULE, |
310d8c11 GU |
940 | .fb_open = ps3fb_open, |
941 | .fb_release = ps3fb_release, | |
92c4579d GU |
942 | .fb_read = fb_sys_read, |
943 | .fb_write = fb_sys_write, | |
310d8c11 GU |
944 | .fb_check_var = ps3fb_check_var, |
945 | .fb_set_par = ps3fb_set_par, | |
946 | .fb_setcolreg = ps3fb_setcolreg, | |
fc7028b7 | 947 | .fb_pan_display = ps3fb_pan_display, |
92c4579d GU |
948 | .fb_fillrect = sys_fillrect, |
949 | .fb_copyarea = sys_copyarea, | |
950 | .fb_imageblit = sys_imageblit, | |
310d8c11 GU |
951 | .fb_mmap = ps3fb_mmap, |
952 | .fb_blank = ps3fb_blank, | |
953 | .fb_ioctl = ps3fb_ioctl, | |
954 | .fb_compat_ioctl = ps3fb_ioctl | |
955 | }; | |
956 | ||
799b88de | 957 | static const struct fb_fix_screeninfo ps3fb_fix = { |
9e6b99bd | 958 | .id = DEVICE_NAME, |
310d8c11 GU |
959 | .type = FB_TYPE_PACKED_PIXELS, |
960 | .visual = FB_VISUAL_TRUECOLOR, | |
961 | .accel = FB_ACCEL_NONE, | |
962 | }; | |
963 | ||
48c68c4f | 964 | static int ps3fb_probe(struct ps3_system_bus_device *dev) |
310d8c11 GU |
965 | { |
966 | struct fb_info *info; | |
0333d835 | 967 | struct ps3fb_par *par; |
ca971ea3 | 968 | int retval; |
310d8c11 GU |
969 | u64 ddr_lpar = 0; |
970 | u64 lpar_dma_control = 0; | |
971 | u64 lpar_driver_info = 0; | |
972 | u64 lpar_reports = 0; | |
973 | u64 lpar_reports_size = 0; | |
974 | u64 xdr_lpar; | |
bb94f077 | 975 | struct gpu_driver_info *dinfo; |
a286408c | 976 | void *fb_start; |
9f4f21b4 | 977 | int status; |
1c0c8461 | 978 | struct task_struct *task; |
ee592a5b | 979 | unsigned long max_ps3fb_size; |
310d8c11 | 980 | |
9ac67a35 GU |
981 | if (ps3fb_videomemory.size < GPU_CMD_BUF_SIZE) { |
982 | dev_err(&dev->core, "%s: Not enough video memory\n", __func__); | |
983 | return -ENOMEM; | |
984 | } | |
985 | ||
ca971ea3 GU |
986 | retval = ps3_open_hv_device(dev); |
987 | if (retval) { | |
535da7ff GU |
988 | dev_err(&dev->core, "%s: ps3_open_hv_device failed\n", |
989 | __func__); | |
9e6b99bd GU |
990 | goto err; |
991 | } | |
992 | ||
993 | if (!ps3fb_mode) | |
994 | ps3fb_mode = ps3av_get_mode(); | |
084ffff2 | 995 | dev_dbg(&dev->core, "ps3fb_mode: %d\n", ps3fb_mode); |
9e6b99bd | 996 | |
9e6b99bd GU |
997 | atomic_set(&ps3fb.f_count, -1); /* fbcon opens ps3fb */ |
998 | atomic_set(&ps3fb.ext_flip, 0); /* for flip with vsync */ | |
999 | init_waitqueue_head(&ps3fb.wait_vsync); | |
9e6b99bd | 1000 | |
bb94f077 | 1001 | #ifdef HEAD_A |
d3352c9f | 1002 | status = lv1_gpu_display_sync(0x0, 0, L1GPU_DISPLAY_SYNC_VSYNC); |
bb94f077 | 1003 | if (status) { |
d3352c9f | 1004 | dev_err(&dev->core, "%s: lv1_gpu_display_sync failed: %d\n", |
bb94f077 | 1005 | __func__, status); |
ca971ea3 GU |
1006 | retval = -ENODEV; |
1007 | goto err_close_device; | |
bb94f077 GU |
1008 | } |
1009 | #endif | |
1010 | #ifdef HEAD_B | |
d3352c9f | 1011 | status = lv1_gpu_display_sync(0x0, 1, L1GPU_DISPLAY_SYNC_VSYNC); |
bb94f077 | 1012 | if (status) { |
d3352c9f | 1013 | dev_err(&dev->core, "%s: lv1_gpu_display_sync failed: %d\n", |
bb94f077 | 1014 | __func__, status); |
ca971ea3 GU |
1015 | retval = -ENODEV; |
1016 | goto err_close_device; | |
bb94f077 GU |
1017 | } |
1018 | #endif | |
9e6b99bd | 1019 | |
7bfc3c84 | 1020 | max_ps3fb_size = ALIGN(GPU_IOIF, 256*1024*1024) - GPU_IOIF; |
ee592a5b GU |
1021 | if (ps3fb_videomemory.size > max_ps3fb_size) { |
1022 | dev_info(&dev->core, "Limiting ps3fb mem size to %lu bytes\n", | |
1023 | max_ps3fb_size); | |
1024 | ps3fb_videomemory.size = max_ps3fb_size; | |
1025 | } | |
1026 | ||
310d8c11 | 1027 | /* get gpu context handle */ |
ee592a5b | 1028 | status = lv1_gpu_memory_allocate(ps3fb_videomemory.size, 0, 0, 0, 0, |
310d8c11 GU |
1029 | &ps3fb.memory_handle, &ddr_lpar); |
1030 | if (status) { | |
535da7ff GU |
1031 | dev_err(&dev->core, "%s: lv1_gpu_memory_allocate failed: %d\n", |
1032 | __func__, status); | |
8ead8a2e | 1033 | retval = -ENOMEM; |
ca971ea3 | 1034 | goto err_close_device; |
310d8c11 | 1035 | } |
5d9ee3ff | 1036 | dev_dbg(&dev->core, "ddr:lpar:0x%llx\n", ddr_lpar); |
310d8c11 GU |
1037 | |
1038 | status = lv1_gpu_context_allocate(ps3fb.memory_handle, 0, | |
1039 | &ps3fb.context_handle, | |
1040 | &lpar_dma_control, &lpar_driver_info, | |
1041 | &lpar_reports, &lpar_reports_size); | |
1042 | if (status) { | |
535da7ff | 1043 | dev_err(&dev->core, |
d3352c9f | 1044 | "%s: lv1_gpu_context_allocate failed: %d\n", __func__, |
535da7ff | 1045 | status); |
8ead8a2e | 1046 | retval = -ENOMEM; |
310d8c11 GU |
1047 | goto err_gpu_memory_free; |
1048 | } | |
1049 | ||
1050 | /* vsync interrupt */ | |
bb94f077 GU |
1051 | dinfo = (void __force *)ioremap(lpar_driver_info, 128 * 1024); |
1052 | if (!dinfo) { | |
535da7ff | 1053 | dev_err(&dev->core, "%s: ioremap failed\n", __func__); |
8ead8a2e | 1054 | retval = -ENOMEM; |
310d8c11 GU |
1055 | goto err_gpu_context_free; |
1056 | } | |
1057 | ||
bb94f077 GU |
1058 | ps3fb.dinfo = dinfo; |
1059 | dev_dbg(&dev->core, "version_driver:%x\n", dinfo->version_driver); | |
1060 | dev_dbg(&dev->core, "irq outlet:%x\n", dinfo->irq.irq_outlet); | |
1061 | dev_dbg(&dev->core, "version_gpu: %x memory_size: %x ch: %x " | |
1062 | "core_freq: %d mem_freq:%d\n", dinfo->version_gpu, | |
1063 | dinfo->memory_size, dinfo->hardware_channel, | |
1064 | dinfo->nvcore_frequency/1000000, | |
1065 | dinfo->memory_frequency/1000000); | |
1066 | ||
1067 | if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) { | |
1068 | dev_err(&dev->core, "%s: version_driver err:%x\n", __func__, | |
1069 | dinfo->version_driver); | |
1070 | retval = -EINVAL; | |
1071 | goto err_iounmap_dinfo; | |
1072 | } | |
1073 | ||
1074 | retval = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet, | |
1075 | &ps3fb.irq_no); | |
1076 | if (retval) { | |
1077 | dev_err(&dev->core, "%s: ps3_alloc_irq failed %d\n", __func__, | |
1078 | retval); | |
310d8c11 | 1079 | goto err_iounmap_dinfo; |
bb94f077 GU |
1080 | } |
1081 | ||
1082 | retval = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, | |
f8798ccb | 1083 | 0, DEVICE_NAME, &dev->core); |
bb94f077 GU |
1084 | if (retval) { |
1085 | dev_err(&dev->core, "%s: request_irq failed %d\n", __func__, | |
1086 | retval); | |
1087 | goto err_destroy_plug; | |
1088 | } | |
1089 | ||
1090 | dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) | | |
1091 | (1 << GPU_INTR_STATUS_FLIP_1); | |
310d8c11 | 1092 | |
2ce32e15 | 1093 | /* Clear memory to prevent kernel info leakage into userspace */ |
a286408c | 1094 | memset(ps3fb_videomemory.address, 0, ps3fb_videomemory.size); |
2ce32e15 | 1095 | |
a286408c | 1096 | xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb_videomemory.address)); |
bb94f077 GU |
1097 | |
1098 | status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, | |
e78d0c5c GU |
1099 | xdr_lpar, ps3fb_videomemory.size, |
1100 | CBE_IOPTE_PP_W | CBE_IOPTE_PP_R | | |
1101 | CBE_IOPTE_M); | |
bb94f077 GU |
1102 | if (status) { |
1103 | dev_err(&dev->core, "%s: lv1_gpu_context_iomap failed: %d\n", | |
1104 | __func__, status); | |
1105 | retval = -ENXIO; | |
1106 | goto err_free_irq; | |
1107 | } | |
1108 | ||
1109 | dev_dbg(&dev->core, "video:%p ioif:%lx lpar:%llx size:%lx\n", | |
1110 | ps3fb_videomemory.address, GPU_IOIF, xdr_lpar, | |
1111 | ps3fb_videomemory.size); | |
1112 | ||
d3352c9f GU |
1113 | status = lv1_gpu_fb_setup(ps3fb.context_handle, xdr_lpar, |
1114 | GPU_CMD_BUF_SIZE, GPU_IOIF); | |
bb94f077 | 1115 | if (status) { |
d3352c9f | 1116 | dev_err(&dev->core, "%s: lv1_gpu_fb_setup failed: %d\n", |
bb94f077 GU |
1117 | __func__, status); |
1118 | retval = -ENXIO; | |
e78d0c5c | 1119 | goto err_context_unmap; |
bb94f077 | 1120 | } |
310d8c11 | 1121 | |
0333d835 | 1122 | info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core); |
8ead8a2e PST |
1123 | if (!info) { |
1124 | retval = -ENOMEM; | |
c204ff65 | 1125 | goto err_context_fb_close; |
8ead8a2e | 1126 | } |
310d8c11 | 1127 | |
0333d835 GU |
1128 | par = info->par; |
1129 | par->mode_id = ~ps3fb_mode; /* != ps3fb_mode, to trigger change */ | |
1130 | par->new_mode_id = ps3fb_mode; | |
0333d835 GU |
1131 | par->num_frames = 1; |
1132 | ||
310d8c11 | 1133 | info->fbops = &ps3fb_ops; |
310d8c11 | 1134 | info->fix = ps3fb_fix; |
a286408c GU |
1135 | |
1136 | /* | |
1137 | * The GPU command buffer is at the start of video memory | |
1138 | * As we don't use the full command buffer, we can put the actual | |
1139 | * frame buffer at offset GPU_FB_START and save some precious XDR | |
1140 | * memory | |
1141 | */ | |
1142 | fb_start = ps3fb_videomemory.address + GPU_FB_START; | |
bdb61647 | 1143 | info->screen_buffer = fb_start; |
f6b3df62 | 1144 | info->fix.smem_start = __pa(fb_start); |
a286408c GU |
1145 | info->fix.smem_len = ps3fb_videomemory.size - GPU_FB_START; |
1146 | ||
0333d835 | 1147 | info->pseudo_palette = par->pseudo_palette; |
b3e148d7 | 1148 | info->flags = FBINFO_READS_FAST | |
fc7028b7 | 1149 | FBINFO_HWACCEL_XPAN | FBINFO_HWACCEL_YPAN; |
310d8c11 GU |
1150 | |
1151 | retval = fb_alloc_cmap(&info->cmap, 256, 0); | |
1152 | if (retval < 0) | |
1153 | goto err_framebuffer_release; | |
1154 | ||
1155 | if (!fb_find_mode(&info->var, info, mode_option, ps3fb_modedb, | |
0333d835 | 1156 | ARRAY_SIZE(ps3fb_modedb), |
34c422fb | 1157 | ps3fb_vmode(par->new_mode_id), 32)) { |
310d8c11 GU |
1158 | retval = -EINVAL; |
1159 | goto err_fb_dealloc; | |
1160 | } | |
1161 | ||
1162 | fb_videomode_to_modelist(ps3fb_modedb, ARRAY_SIZE(ps3fb_modedb), | |
1163 | &info->modelist); | |
1164 | ||
1165 | retval = register_framebuffer(info); | |
1166 | if (retval < 0) | |
1167 | goto err_fb_dealloc; | |
1168 | ||
cd4a157d | 1169 | ps3_system_bus_set_drvdata(dev, info); |
310d8c11 | 1170 | |
513bf560 | 1171 | fb_info(info, "using %u KiB of video memory\n", info->fix.smem_len >> 10); |
310d8c11 | 1172 | |
9e6b99bd | 1173 | task = kthread_run(ps3fbd, info, DEVICE_NAME); |
1c0c8461 GU |
1174 | if (IS_ERR(task)) { |
1175 | retval = PTR_ERR(task); | |
1176 | goto err_unregister_framebuffer; | |
1177 | } | |
1178 | ||
1179 | ps3fb.task = task; | |
1180 | ||
310d8c11 GU |
1181 | return 0; |
1182 | ||
1c0c8461 GU |
1183 | err_unregister_framebuffer: |
1184 | unregister_framebuffer(info); | |
310d8c11 GU |
1185 | err_fb_dealloc: |
1186 | fb_dealloc_cmap(&info->cmap); | |
1187 | err_framebuffer_release: | |
1188 | framebuffer_release(info); | |
c204ff65 GU |
1189 | err_context_fb_close: |
1190 | lv1_gpu_fb_close(ps3fb.context_handle); | |
e78d0c5c GU |
1191 | err_context_unmap: |
1192 | lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, xdr_lpar, | |
1193 | ps3fb_videomemory.size, CBE_IOPTE_M); | |
310d8c11 | 1194 | err_free_irq: |
fcbe6e97 | 1195 | free_irq(ps3fb.irq_no, &dev->core); |
bb94f077 | 1196 | err_destroy_plug: |
dc4f60c2 | 1197 | ps3_irq_plug_destroy(ps3fb.irq_no); |
310d8c11 | 1198 | err_iounmap_dinfo: |
a286408c | 1199 | iounmap((u8 __force __iomem *)ps3fb.dinfo); |
310d8c11 GU |
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); | |
ca971ea3 GU |
1204 | err_close_device: |
1205 | ps3_close_hv_device(dev); | |
310d8c11 GU |
1206 | err: |
1207 | return retval; | |
1208 | } | |
1209 | ||
6d247e4d | 1210 | static void ps3fb_shutdown(struct ps3_system_bus_device *dev) |
310d8c11 | 1211 | { |
cd4a157d | 1212 | struct fb_info *info = ps3_system_bus_get_drvdata(dev); |
e78d0c5c | 1213 | u64 xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb_videomemory.address)); |
9e6b99bd | 1214 | |
535da7ff | 1215 | dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__); |
9e6b99bd | 1216 | |
9b82f3e6 | 1217 | atomic_inc(&ps3fb.ext_flip); /* flip off */ |
310d8c11 | 1218 | ps3fb.dinfo->irq.mask = 0; |
310d8c11 | 1219 | |
1c0c8461 GU |
1220 | if (ps3fb.task) { |
1221 | struct task_struct *task = ps3fb.task; | |
1222 | ps3fb.task = NULL; | |
1223 | kthread_stop(task); | |
1224 | } | |
310d8c11 | 1225 | if (ps3fb.irq_no) { |
fcbe6e97 | 1226 | free_irq(ps3fb.irq_no, &dev->core); |
dc4f60c2 | 1227 | ps3_irq_plug_destroy(ps3fb.irq_no); |
310d8c11 | 1228 | } |
ba21611c JK |
1229 | if (info) { |
1230 | unregister_framebuffer(info); | |
1231 | fb_dealloc_cmap(&info->cmap); | |
1232 | framebuffer_release(info); | |
cd4a157d | 1233 | ps3_system_bus_set_drvdata(dev, NULL); |
ba21611c | 1234 | } |
a286408c | 1235 | iounmap((u8 __force __iomem *)ps3fb.dinfo); |
c204ff65 | 1236 | lv1_gpu_fb_close(ps3fb.context_handle); |
e78d0c5c GU |
1237 | lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, xdr_lpar, |
1238 | ps3fb_videomemory.size, CBE_IOPTE_M); | |
02aad32c GU |
1239 | lv1_gpu_context_free(ps3fb.context_handle); |
1240 | lv1_gpu_memory_free(ps3fb.memory_handle); | |
9e6b99bd | 1241 | ps3_close_hv_device(dev); |
535da7ff | 1242 | dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__); |
310d8c11 GU |
1243 | } |
1244 | ||
9e6b99bd | 1245 | static struct ps3_system_bus_driver ps3fb_driver = { |
46d01492 GU |
1246 | .match_id = PS3_MATCH_ID_GPU, |
1247 | .match_sub_id = PS3_MATCH_SUB_ID_GPU_FB, | |
9e6b99bd GU |
1248 | .core.name = DEVICE_NAME, |
1249 | .core.owner = THIS_MODULE, | |
1250 | .probe = ps3fb_probe, | |
1251 | .remove = ps3fb_shutdown, | |
1252 | .shutdown = ps3fb_shutdown, | |
310d8c11 GU |
1253 | }; |
1254 | ||
9e6b99bd | 1255 | static int __init ps3fb_setup(void) |
310d8c11 | 1256 | { |
9e6b99bd | 1257 | char *options; |
310d8c11 | 1258 | |
9e6b99bd | 1259 | #ifdef MODULE |
310d8c11 | 1260 | return 0; |
310d8c11 GU |
1261 | #endif |
1262 | ||
9e6b99bd GU |
1263 | if (fb_get_options(DEVICE_NAME, &options)) |
1264 | return -ENXIO; | |
310d8c11 | 1265 | |
9e6b99bd GU |
1266 | if (!options || !*options) |
1267 | return 0; | |
310d8c11 | 1268 | |
9e6b99bd GU |
1269 | while (1) { |
1270 | char *this_opt = strsep(&options, ","); | |
310d8c11 | 1271 | |
9e6b99bd GU |
1272 | if (!this_opt) |
1273 | break; | |
1274 | if (!*this_opt) | |
1275 | continue; | |
1276 | if (!strncmp(this_opt, "mode:", 5)) | |
1277 | ps3fb_mode = simple_strtoul(this_opt + 5, NULL, 0); | |
1278 | else | |
1279 | mode_option = this_opt; | |
310d8c11 | 1280 | } |
9e6b99bd GU |
1281 | return 0; |
1282 | } | |
310d8c11 | 1283 | |
9e6b99bd GU |
1284 | static int __init ps3fb_init(void) |
1285 | { | |
1286 | if (!ps3fb_videomemory.address || ps3fb_setup()) | |
1287 | return -ENXIO; | |
310d8c11 | 1288 | |
9e6b99bd | 1289 | return ps3_system_bus_driver_register(&ps3fb_driver); |
310d8c11 GU |
1290 | } |
1291 | ||
310d8c11 GU |
1292 | static void __exit ps3fb_exit(void) |
1293 | { | |
535da7ff | 1294 | pr_debug(" -> %s:%d\n", __func__, __LINE__); |
9e6b99bd | 1295 | ps3_system_bus_driver_unregister(&ps3fb_driver); |
535da7ff | 1296 | pr_debug(" <- %s:%d\n", __func__, __LINE__); |
310d8c11 GU |
1297 | } |
1298 | ||
9e6b99bd | 1299 | module_init(ps3fb_init); |
310d8c11 GU |
1300 | module_exit(ps3fb_exit); |
1301 | ||
1302 | MODULE_LICENSE("GPL"); | |
9e6b99bd GU |
1303 | MODULE_DESCRIPTION("PS3 GPU Frame Buffer Driver"); |
1304 | MODULE_AUTHOR("Sony Computer Entertainment Inc."); | |
46d01492 | 1305 | MODULE_ALIAS(PS3_MODULE_ALIAS_GPU_FB); |