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 GU |
31 | #include <linux/fb.h> |
32 | #include <linux/init.h> | |
310d8c11 GU |
33 | |
34 | #include <asm/abs_addr.h> | |
35 | #include <asm/lv1call.h> | |
36 | #include <asm/ps3av.h> | |
37 | #include <asm/ps3fb.h> | |
38 | #include <asm/ps3.h> | |
39 | ||
9e6b99bd GU |
40 | |
41 | #define DEVICE_NAME "ps3fb" | |
42 | ||
310d8c11 GU |
43 | #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC 0x101 |
44 | #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP 0x102 | |
45 | #define L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP 0x600 | |
46 | #define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT 0x601 | |
47 | #define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT_SYNC 0x602 | |
48 | ||
49 | #define L1GPU_FB_BLIT_WAIT_FOR_COMPLETION (1ULL << 32) | |
50 | ||
51 | #define L1GPU_DISPLAY_SYNC_HSYNC 1 | |
52 | #define L1GPU_DISPLAY_SYNC_VSYNC 2 | |
53 | ||
9ac67a35 GU |
54 | #define GPU_CMD_BUF_SIZE (2 * 1024 * 1024) |
55 | #define GPU_FB_START (64 * 1024) | |
310d8c11 | 56 | #define GPU_IOIF (0x0d000000UL) |
f1664ed8 | 57 | #define GPU_ALIGN_UP(x) _ALIGN_UP((x), 64) |
61e0b28e | 58 | #define GPU_MAX_LINE_LENGTH (65536 - 64) |
310d8c11 GU |
59 | |
60 | #define PS3FB_FULL_MODE_BIT 0x80 | |
61 | ||
62 | #define GPU_INTR_STATUS_VSYNC_0 0 /* vsync on head A */ | |
63 | #define GPU_INTR_STATUS_VSYNC_1 1 /* vsync on head B */ | |
64 | #define GPU_INTR_STATUS_FLIP_0 3 /* flip head A */ | |
65 | #define GPU_INTR_STATUS_FLIP_1 4 /* flip head B */ | |
66 | #define GPU_INTR_STATUS_QUEUE_0 5 /* queue head A */ | |
67 | #define GPU_INTR_STATUS_QUEUE_1 6 /* queue head B */ | |
68 | ||
69 | #define GPU_DRIVER_INFO_VERSION 0x211 | |
70 | ||
71 | /* gpu internals */ | |
72 | struct display_head { | |
73 | u64 be_time_stamp; | |
74 | u32 status; | |
75 | u32 offset; | |
76 | u32 res1; | |
77 | u32 res2; | |
78 | u32 field; | |
79 | u32 reserved1; | |
80 | ||
81 | u64 res3; | |
82 | u32 raster; | |
83 | ||
84 | u64 vblank_count; | |
85 | u32 field_vsync; | |
86 | u32 reserved2; | |
87 | }; | |
88 | ||
89 | struct gpu_irq { | |
90 | u32 irq_outlet; | |
91 | u32 status; | |
92 | u32 mask; | |
93 | u32 video_cause; | |
94 | u32 graph_cause; | |
95 | u32 user_cause; | |
96 | ||
97 | u32 res1; | |
98 | u64 res2; | |
99 | ||
100 | u32 reserved[4]; | |
101 | }; | |
102 | ||
103 | struct gpu_driver_info { | |
104 | u32 version_driver; | |
105 | u32 version_gpu; | |
106 | u32 memory_size; | |
107 | u32 hardware_channel; | |
108 | ||
109 | u32 nvcore_frequency; | |
110 | u32 memory_frequency; | |
111 | ||
112 | u32 reserved[1063]; | |
113 | struct display_head display_head[8]; | |
114 | struct gpu_irq irq; | |
115 | }; | |
116 | ||
117 | struct ps3fb_priv { | |
118 | unsigned int irq_no; | |
310d8c11 GU |
119 | |
120 | u64 context_handle, memory_handle; | |
121 | void *xdr_ea; | |
2ce32e15 | 122 | size_t xdr_size; |
310d8c11 | 123 | struct gpu_driver_info *dinfo; |
310d8c11 GU |
124 | |
125 | u64 vblank_count; /* frame count */ | |
126 | wait_queue_head_t wait_vsync; | |
127 | ||
310d8c11 GU |
128 | atomic_t ext_flip; /* on/off flip with vsync */ |
129 | atomic_t f_count; /* fb_open count */ | |
130 | int is_blanked; | |
1c0c8461 GU |
131 | int is_kicked; |
132 | struct task_struct *task; | |
310d8c11 GU |
133 | }; |
134 | static struct ps3fb_priv ps3fb; | |
135 | ||
0333d835 GU |
136 | struct ps3fb_par { |
137 | u32 pseudo_palette[16]; | |
138 | int mode_id, new_mode_id; | |
139 | int res_index; | |
140 | unsigned int num_frames; /* num of frame buffers */ | |
f1664ed8 GU |
141 | unsigned int width; |
142 | unsigned int height; | |
143 | unsigned long full_offset; /* start of fullscreen DDR fb */ | |
144 | unsigned long fb_offset; /* start of actual DDR fb */ | |
fc7028b7 | 145 | unsigned long pan_offset; |
0333d835 GU |
146 | }; |
147 | ||
310d8c11 GU |
148 | struct ps3fb_res_table { |
149 | u32 xres; | |
150 | u32 yres; | |
151 | u32 xoff; | |
152 | u32 yoff; | |
153 | u32 type; | |
154 | }; | |
155 | #define PS3FB_RES_FULL 1 | |
156 | static const struct ps3fb_res_table ps3fb_res[] = { | |
157 | /* res_x,y margin_x,y full */ | |
158 | { 720, 480, 72, 48 , 0}, | |
159 | { 720, 576, 72, 58 , 0}, | |
160 | { 1280, 720, 78, 38 , 0}, | |
161 | { 1920, 1080, 116, 58 , 0}, | |
162 | /* full mode */ | |
163 | { 720, 480, 0, 0 , PS3FB_RES_FULL}, | |
164 | { 720, 576, 0, 0 , PS3FB_RES_FULL}, | |
165 | { 1280, 720, 0, 0 , PS3FB_RES_FULL}, | |
166 | { 1920, 1080, 0, 0 , PS3FB_RES_FULL}, | |
167 | /* vesa: normally full mode */ | |
168 | { 1280, 768, 0, 0 , 0}, | |
169 | { 1280, 1024, 0, 0 , 0}, | |
170 | { 1920, 1200, 0, 0 , 0}, | |
171 | { 0, 0, 0, 0 , 0} }; | |
172 | ||
173 | /* default resolution */ | |
9e6b99bd | 174 | #define GPU_RES_INDEX 0 /* 720 x 480 */ |
310d8c11 GU |
175 | |
176 | static const struct fb_videomode ps3fb_modedb[] = { | |
177 | /* 60 Hz broadcast modes (modes "1" to "5") */ | |
178 | { | |
179 | /* 480i */ | |
180 | "480i", 60, 576, 384, 74074, 130, 89, 78, 57, 63, 6, | |
181 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED | |
182 | }, { | |
183 | /* 480p */ | |
184 | "480p", 60, 576, 384, 37037, 130, 89, 78, 57, 63, 6, | |
185 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | |
186 | }, { | |
187 | /* 720p */ | |
188 | "720p", 60, 1124, 644, 13481, 298, 148, 57, 44, 80, 5, | |
189 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | |
190 | }, { | |
191 | /* 1080i */ | |
192 | "1080i", 60, 1688, 964, 13481, 264, 160, 94, 62, 88, 5, | |
193 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED | |
194 | }, { | |
195 | /* 1080p */ | |
196 | "1080p", 60, 1688, 964, 6741, 264, 160, 94, 62, 88, 5, | |
197 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | |
198 | }, | |
199 | ||
200 | /* 50 Hz broadcast modes (modes "6" to "10") */ | |
201 | { | |
202 | /* 576i */ | |
203 | "576i", 50, 576, 460, 74074, 142, 83, 97, 63, 63, 5, | |
204 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED | |
205 | }, { | |
206 | /* 576p */ | |
207 | "576p", 50, 576, 460, 37037, 142, 83, 97, 63, 63, 5, | |
208 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | |
209 | }, { | |
210 | /* 720p */ | |
211 | "720p", 50, 1124, 644, 13468, 298, 478, 57, 44, 80, 5, | |
212 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | |
213 | }, { | |
214 | /* 1080 */ | |
215 | "1080i", 50, 1688, 964, 13468, 264, 600, 94, 62, 88, 5, | |
216 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED | |
217 | }, { | |
218 | /* 1080p */ | |
219 | "1080p", 50, 1688, 964, 6734, 264, 600, 94, 62, 88, 5, | |
220 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | |
221 | }, | |
222 | ||
223 | /* VESA modes (modes "11" to "13") */ | |
224 | { | |
225 | /* WXGA */ | |
226 | "wxga", 60, 1280, 768, 12924, 160, 24, 29, 3, 136, 6, | |
227 | 0, FB_VMODE_NONINTERLACED, | |
228 | FB_MODE_IS_VESA | |
229 | }, { | |
230 | /* SXGA */ | |
231 | "sxga", 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3, | |
232 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, | |
233 | FB_MODE_IS_VESA | |
234 | }, { | |
235 | /* WUXGA */ | |
236 | "wuxga", 60, 1920, 1200, 6494, 80, 48, 26, 3, 32, 6, | |
237 | FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED, | |
238 | FB_MODE_IS_VESA | |
239 | }, | |
240 | ||
241 | /* 60 Hz broadcast modes (full resolution versions of modes "1" to "5") */ | |
242 | { | |
243 | /* 480if */ | |
244 | "480if", 60, 720, 480, 74074, 58, 17, 30, 9, 63, 6, | |
245 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED | |
246 | }, { | |
247 | /* 480pf */ | |
248 | "480pf", 60, 720, 480, 37037, 58, 17, 30, 9, 63, 6, | |
249 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | |
250 | }, { | |
251 | /* 720pf */ | |
252 | "720pf", 60, 1280, 720, 13481, 220, 70, 19, 6, 80, 5, | |
253 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | |
254 | }, { | |
255 | /* 1080if */ | |
256 | "1080if", 60, 1920, 1080, 13481, 148, 44, 36, 4, 88, 5, | |
257 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED | |
258 | }, { | |
259 | /* 1080pf */ | |
260 | "1080pf", 60, 1920, 1080, 6741, 148, 44, 36, 4, 88, 5, | |
261 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | |
262 | }, | |
263 | ||
264 | /* 50 Hz broadcast modes (full resolution versions of modes "6" to "10") */ | |
265 | { | |
266 | /* 576if */ | |
267 | "576if", 50, 720, 576, 74074, 70, 11, 39, 5, 63, 5, | |
268 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED | |
269 | }, { | |
270 | /* 576pf */ | |
271 | "576pf", 50, 720, 576, 37037, 70, 11, 39, 5, 63, 5, | |
272 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | |
273 | }, { | |
274 | /* 720pf */ | |
275 | "720pf", 50, 1280, 720, 13468, 220, 400, 19, 6, 80, 5, | |
276 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | |
277 | }, { | |
278 | /* 1080if */ | |
279 | "1080f", 50, 1920, 1080, 13468, 148, 484, 36, 4, 88, 5, | |
280 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED | |
281 | }, { | |
282 | /* 1080pf */ | |
283 | "1080pf", 50, 1920, 1080, 6734, 148, 484, 36, 4, 88, 5, | |
284 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | |
285 | } | |
286 | }; | |
287 | ||
288 | ||
289 | #define HEAD_A | |
290 | #define HEAD_B | |
291 | ||
292 | #define X_OFF(i) (ps3fb_res[i].xoff) /* left/right margin (pixel) */ | |
293 | #define Y_OFF(i) (ps3fb_res[i].yoff) /* top/bottom margin (pixel) */ | |
294 | #define WIDTH(i) (ps3fb_res[i].xres) /* width of FB */ | |
295 | #define HEIGHT(i) (ps3fb_res[i].yres) /* height of FB */ | |
2ce32e15 GU |
296 | #define BPP 4 /* number of bytes per pixel */ |
297 | ||
298 | /* Start of the virtual frame buffer (relative to fullscreen ) */ | |
299 | #define VP_OFF(i) ((WIDTH(i) * Y_OFF(i) + X_OFF(i)) * BPP) | |
300 | ||
310d8c11 | 301 | |
bd685ac8 | 302 | static int ps3fb_mode; |
9e6b99bd | 303 | module_param(ps3fb_mode, int, 0); |
310d8c11 | 304 | |
9e6b99bd | 305 | static char *mode_option __devinitdata; |
310d8c11 | 306 | |
c95344a5 | 307 | static int ps3fb_get_res_table(u32 xres, u32 yres, int mode) |
310d8c11 GU |
308 | { |
309 | int full_mode; | |
310 | unsigned int i; | |
311 | u32 x, y, f; | |
312 | ||
c95344a5 | 313 | full_mode = (mode & PS3FB_FULL_MODE_BIT) ? PS3FB_RES_FULL : 0; |
310d8c11 GU |
314 | for (i = 0;; i++) { |
315 | x = ps3fb_res[i].xres; | |
316 | y = ps3fb_res[i].yres; | |
317 | f = ps3fb_res[i].type; | |
318 | ||
319 | if (!x) { | |
535da7ff | 320 | pr_debug("ERROR: ps3fb_get_res_table()\n"); |
310d8c11 GU |
321 | return -1; |
322 | } | |
323 | ||
324 | if (full_mode == PS3FB_RES_FULL && f != PS3FB_RES_FULL) | |
325 | continue; | |
326 | ||
327 | if (x == xres && (yres == 0 || y == yres)) | |
328 | break; | |
329 | ||
330 | x = x - 2 * ps3fb_res[i].xoff; | |
331 | y = y - 2 * ps3fb_res[i].yoff; | |
332 | if (x == xres && (yres == 0 || y == yres)) | |
333 | break; | |
334 | } | |
335 | return i; | |
336 | } | |
337 | ||
338 | static unsigned int ps3fb_find_mode(const struct fb_var_screeninfo *var, | |
61e0b28e | 339 | u32 *ddr_line_length, u32 *xdr_line_length) |
310d8c11 GU |
340 | { |
341 | unsigned int i, mode; | |
342 | ||
343 | for (i = 0; i < ARRAY_SIZE(ps3fb_modedb); i++) | |
344 | if (var->xres == ps3fb_modedb[i].xres && | |
345 | var->yres == ps3fb_modedb[i].yres && | |
346 | var->pixclock == ps3fb_modedb[i].pixclock && | |
347 | var->hsync_len == ps3fb_modedb[i].hsync_len && | |
348 | var->vsync_len == ps3fb_modedb[i].vsync_len && | |
349 | var->left_margin == ps3fb_modedb[i].left_margin && | |
350 | var->right_margin == ps3fb_modedb[i].right_margin && | |
351 | var->upper_margin == ps3fb_modedb[i].upper_margin && | |
352 | var->lower_margin == ps3fb_modedb[i].lower_margin && | |
353 | var->sync == ps3fb_modedb[i].sync && | |
61e0b28e GU |
354 | (var->vmode & FB_VMODE_MASK) == ps3fb_modedb[i].vmode) |
355 | goto found; | |
310d8c11 | 356 | |
535da7ff | 357 | pr_debug("ps3fb_find_mode: mode not found\n"); |
310d8c11 | 358 | return 0; |
61e0b28e GU |
359 | |
360 | found: | |
361 | /* Cropped broadcast modes use the full line length */ | |
362 | *ddr_line_length = ps3fb_modedb[i < 10 ? i + 13 : i].xres * BPP; | |
363 | ||
364 | if (ps3_compare_firmware_version(1, 9, 0) >= 0) { | |
365 | *xdr_line_length = GPU_ALIGN_UP(max(var->xres, | |
366 | var->xres_virtual) * BPP); | |
367 | if (*xdr_line_length > GPU_MAX_LINE_LENGTH) | |
368 | *xdr_line_length = GPU_MAX_LINE_LENGTH; | |
369 | } else | |
370 | *xdr_line_length = *ddr_line_length; | |
371 | ||
372 | /* Full broadcast modes have the full mode bit set */ | |
373 | mode = i > 12 ? (i - 12) | PS3FB_FULL_MODE_BIT : i + 1; | |
374 | ||
375 | pr_debug("ps3fb_find_mode: mode %u\n", mode); | |
376 | ||
377 | return mode; | |
310d8c11 GU |
378 | } |
379 | ||
0333d835 | 380 | static const struct fb_videomode *ps3fb_default_mode(int id) |
310d8c11 | 381 | { |
0333d835 | 382 | u32 mode = id & PS3AV_MODE_MASK; |
310d8c11 GU |
383 | u32 flags; |
384 | ||
385 | if (mode < 1 || mode > 13) | |
386 | return NULL; | |
387 | ||
0333d835 | 388 | flags = id & ~PS3AV_MODE_MASK; |
310d8c11 GU |
389 | |
390 | if (mode <= 10 && flags & PS3FB_FULL_MODE_BIT) { | |
391 | /* Full broadcast mode */ | |
392 | return &ps3fb_modedb[mode + 12]; | |
393 | } | |
394 | ||
395 | return &ps3fb_modedb[mode - 1]; | |
396 | } | |
397 | ||
f1664ed8 GU |
398 | static void ps3fb_sync_image(struct device *dev, u64 frame_offset, |
399 | u64 dst_offset, u64 src_offset, u32 width, | |
61e0b28e GU |
400 | u32 height, u32 dst_line_length, |
401 | u32 src_line_length) | |
310d8c11 | 402 | { |
f1664ed8 | 403 | int status; |
61e0b28e GU |
404 | u64 line_length; |
405 | ||
406 | line_length = dst_line_length; | |
407 | if (src_line_length != dst_line_length) | |
408 | line_length |= (u64)src_line_length << 32; | |
310d8c11 | 409 | |
9ac67a35 | 410 | src_offset += GPU_FB_START; |
310d8c11 GU |
411 | status = lv1_gpu_context_attribute(ps3fb.context_handle, |
412 | L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT, | |
f1664ed8 | 413 | dst_offset, GPU_IOIF + src_offset, |
310d8c11 | 414 | L1GPU_FB_BLIT_WAIT_FOR_COMPLETION | |
f1664ed8 GU |
415 | (width << 16) | height, |
416 | line_length); | |
310d8c11 | 417 | if (status) |
f1664ed8 | 418 | dev_err(dev, |
535da7ff GU |
419 | "%s: lv1_gpu_context_attribute FB_BLIT failed: %d\n", |
420 | __func__, status); | |
310d8c11 GU |
421 | #ifdef HEAD_A |
422 | status = lv1_gpu_context_attribute(ps3fb.context_handle, | |
423 | L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, | |
f1664ed8 | 424 | 0, frame_offset, 0, 0); |
310d8c11 | 425 | if (status) |
f1664ed8 | 426 | dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n", |
535da7ff | 427 | __func__, status); |
310d8c11 GU |
428 | #endif |
429 | #ifdef HEAD_B | |
430 | status = lv1_gpu_context_attribute(ps3fb.context_handle, | |
431 | L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, | |
f1664ed8 | 432 | 1, frame_offset, 0, 0); |
310d8c11 | 433 | if (status) |
f1664ed8 | 434 | dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n", |
535da7ff | 435 | __func__, status); |
310d8c11 | 436 | #endif |
f1664ed8 GU |
437 | } |
438 | ||
439 | static int ps3fb_sync(struct fb_info *info, u32 frame) | |
440 | { | |
441 | struct ps3fb_par *par = info->par; | |
442 | int i, error = 0; | |
61e0b28e GU |
443 | u32 ddr_line_length, xdr_line_length; |
444 | u64 ddr_base, xdr_base; | |
f1664ed8 | 445 | |
f1664ed8 GU |
446 | if (frame > par->num_frames - 1) { |
447 | dev_dbg(info->device, "%s: invalid frame number (%u)\n", | |
448 | __func__, frame); | |
449 | error = -EINVAL; | |
450 | goto out; | |
451 | } | |
452 | ||
453 | i = par->res_index; | |
61e0b28e GU |
454 | xdr_line_length = info->fix.line_length; |
455 | ddr_line_length = ps3fb_res[i].xres * BPP; | |
456 | xdr_base = frame * info->var.yres_virtual * xdr_line_length; | |
457 | ddr_base = frame * ps3fb_res[i].yres * ddr_line_length; | |
f1664ed8 | 458 | |
61e0b28e GU |
459 | ps3fb_sync_image(info->device, ddr_base + par->full_offset, |
460 | ddr_base + par->fb_offset, xdr_base + par->pan_offset, | |
461 | par->width, par->height, ddr_line_length, | |
462 | xdr_line_length); | |
0333d835 GU |
463 | |
464 | out: | |
0333d835 | 465 | return error; |
310d8c11 GU |
466 | } |
467 | ||
310d8c11 GU |
468 | static int ps3fb_open(struct fb_info *info, int user) |
469 | { | |
470 | atomic_inc(&ps3fb.f_count); | |
471 | return 0; | |
472 | } | |
473 | ||
474 | static int ps3fb_release(struct fb_info *info, int user) | |
475 | { | |
476 | if (atomic_dec_and_test(&ps3fb.f_count)) { | |
477 | if (atomic_read(&ps3fb.ext_flip)) { | |
478 | atomic_set(&ps3fb.ext_flip, 0); | |
8dab6376 JK |
479 | if (!try_acquire_console_sem()) { |
480 | ps3fb_sync(info, 0); /* single buffer */ | |
481 | release_console_sem(); | |
482 | } | |
310d8c11 GU |
483 | } |
484 | } | |
485 | return 0; | |
486 | } | |
487 | ||
488 | /* | |
489 | * Setting the video mode has been split into two parts. | |
490 | * First part, xxxfb_check_var, must not write anything | |
491 | * to hardware, it should only verify and adjust var. | |
492 | * This means it doesn't alter par but it does use hardware | |
493 | * data from it to check this var. | |
494 | */ | |
495 | ||
496 | static int ps3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) | |
497 | { | |
61e0b28e | 498 | u32 xdr_line_length, ddr_line_length; |
310d8c11 | 499 | int mode; |
310d8c11 | 500 | |
535da7ff GU |
501 | dev_dbg(info->device, "var->xres:%u info->var.xres:%u\n", var->xres, |
502 | info->var.xres); | |
503 | dev_dbg(info->device, "var->yres:%u info->var.yres:%u\n", var->yres, | |
504 | info->var.yres); | |
310d8c11 GU |
505 | |
506 | /* FIXME For now we do exact matches only */ | |
61e0b28e | 507 | mode = ps3fb_find_mode(var, &ddr_line_length, &xdr_line_length); |
310d8c11 GU |
508 | if (!mode) |
509 | return -EINVAL; | |
510 | ||
fc7028b7 GU |
511 | /* Virtual screen */ |
512 | if (var->xres_virtual < var->xres) | |
513 | var->xres_virtual = var->xres; | |
514 | if (var->yres_virtual < var->yres) | |
515 | var->yres_virtual = var->yres; | |
310d8c11 | 516 | |
61e0b28e | 517 | if (var->xres_virtual > xdr_line_length / BPP) { |
535da7ff | 518 | dev_dbg(info->device, |
fc7028b7 | 519 | "Horizontal virtual screen size too large\n"); |
310d8c11 GU |
520 | return -EINVAL; |
521 | } | |
522 | ||
fc7028b7 GU |
523 | if (var->xoffset + var->xres > var->xres_virtual || |
524 | var->yoffset + var->yres > var->yres_virtual) { | |
525 | dev_dbg(info->device, "panning out-of-range\n"); | |
526 | return -EINVAL; | |
527 | } | |
310d8c11 GU |
528 | |
529 | /* We support ARGB8888 only */ | |
530 | if (var->bits_per_pixel > 32 || var->grayscale || | |
531 | var->red.offset > 16 || var->green.offset > 8 || | |
532 | var->blue.offset > 0 || var->transp.offset > 24 || | |
533 | var->red.length > 8 || var->green.length > 8 || | |
534 | var->blue.length > 8 || var->transp.length > 8 || | |
535 | var->red.msb_right || var->green.msb_right || | |
536 | var->blue.msb_right || var->transp.msb_right || var->nonstd) { | |
535da7ff | 537 | dev_dbg(info->device, "We support ARGB8888 only\n"); |
310d8c11 GU |
538 | return -EINVAL; |
539 | } | |
540 | ||
541 | var->bits_per_pixel = 32; | |
542 | var->red.offset = 16; | |
543 | var->green.offset = 8; | |
544 | var->blue.offset = 0; | |
545 | var->transp.offset = 24; | |
546 | var->red.length = 8; | |
547 | var->green.length = 8; | |
548 | var->blue.length = 8; | |
549 | var->transp.length = 8; | |
550 | var->red.msb_right = 0; | |
551 | var->green.msb_right = 0; | |
552 | var->blue.msb_right = 0; | |
553 | var->transp.msb_right = 0; | |
554 | ||
555 | /* Rotation is not supported */ | |
556 | if (var->rotate) { | |
535da7ff | 557 | dev_dbg(info->device, "Rotation is not supported\n"); |
310d8c11 GU |
558 | return -EINVAL; |
559 | } | |
560 | ||
561 | /* Memory limit */ | |
61e0b28e | 562 | if (var->yres_virtual * xdr_line_length > ps3fb.xdr_size) { |
535da7ff | 563 | dev_dbg(info->device, "Not enough memory\n"); |
310d8c11 GU |
564 | return -ENOMEM; |
565 | } | |
566 | ||
567 | var->height = -1; | |
568 | var->width = -1; | |
569 | ||
570 | return 0; | |
571 | } | |
572 | ||
573 | /* | |
574 | * This routine actually sets the video mode. | |
575 | */ | |
576 | ||
577 | static int ps3fb_set_par(struct fb_info *info) | |
578 | { | |
0333d835 | 579 | struct ps3fb_par *par = info->par; |
61e0b28e | 580 | unsigned int mode, ddr_line_length, xdr_line_length, lines, maxlines; |
310d8c11 | 581 | int i; |
61e0b28e GU |
582 | unsigned long offset; |
583 | u64 dst; | |
310d8c11 | 584 | |
535da7ff | 585 | dev_dbg(info->device, "xres:%d xv:%d yres:%d yv:%d clock:%d\n", |
310d8c11 GU |
586 | info->var.xres, info->var.xres_virtual, |
587 | info->var.yres, info->var.yres_virtual, info->var.pixclock); | |
310d8c11 | 588 | |
61e0b28e | 589 | mode = ps3fb_find_mode(&info->var, &ddr_line_length, &xdr_line_length); |
310d8c11 GU |
590 | if (!mode) |
591 | return -EINVAL; | |
592 | ||
c95344a5 | 593 | i = ps3fb_get_res_table(info->var.xres, info->var.yres, mode); |
0333d835 | 594 | par->res_index = i; |
c95344a5 | 595 | |
f1664ed8 GU |
596 | info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea); |
597 | info->fix.smem_len = ps3fb.xdr_size; | |
fc7028b7 GU |
598 | info->fix.xpanstep = info->var.xres_virtual > info->var.xres ? 1 : 0; |
599 | info->fix.ypanstep = info->var.yres_virtual > info->var.yres ? 1 : 0; | |
61e0b28e | 600 | info->fix.line_length = xdr_line_length; |
fc7028b7 | 601 | |
f1664ed8 | 602 | info->screen_base = (char __iomem *)ps3fb.xdr_ea; |
310d8c11 | 603 | |
61e0b28e GU |
604 | par->num_frames = ps3fb.xdr_size / |
605 | max(ps3fb_res[i].yres * ddr_line_length, | |
606 | info->var.yres_virtual * xdr_line_length); | |
310d8c11 GU |
607 | |
608 | /* Keep the special bits we cannot set using fb_var_screeninfo */ | |
0333d835 | 609 | par->new_mode_id = (par->new_mode_id & ~PS3AV_MODE_MASK) | mode; |
310d8c11 | 610 | |
f1664ed8 GU |
611 | par->width = info->var.xres; |
612 | par->height = info->var.yres; | |
613 | offset = VP_OFF(i); | |
614 | par->fb_offset = GPU_ALIGN_UP(offset); | |
615 | par->full_offset = par->fb_offset - offset; | |
61e0b28e | 616 | par->pan_offset = info->var.yoffset * xdr_line_length + |
fc7028b7 | 617 | info->var.xoffset * BPP; |
f1664ed8 | 618 | |
0333d835 GU |
619 | if (par->new_mode_id != par->mode_id) { |
620 | if (ps3av_set_video_mode(par->new_mode_id)) { | |
621 | par->new_mode_id = par->mode_id; | |
622 | return -EINVAL; | |
623 | } | |
624 | par->mode_id = par->new_mode_id; | |
625 | } | |
310d8c11 | 626 | |
f1664ed8 GU |
627 | /* Clear XDR frame buffer memory */ |
628 | memset(ps3fb.xdr_ea, 0, ps3fb.xdr_size); | |
629 | ||
630 | /* Clear DDR frame buffer memory */ | |
631 | lines = ps3fb_res[i].yres * par->num_frames; | |
632 | if (par->full_offset) | |
633 | lines++; | |
61e0b28e GU |
634 | maxlines = ps3fb.xdr_size / ddr_line_length; |
635 | for (dst = 0; lines; dst += maxlines * ddr_line_length) { | |
f1664ed8 GU |
636 | unsigned int l = min(lines, maxlines); |
637 | ps3fb_sync_image(info->device, 0, dst, 0, ps3fb_res[i].xres, l, | |
61e0b28e | 638 | ddr_line_length, ddr_line_length); |
f1664ed8 GU |
639 | lines -= l; |
640 | } | |
641 | ||
310d8c11 GU |
642 | return 0; |
643 | } | |
644 | ||
645 | /* | |
646 | * Set a single color register. The values supplied are already | |
647 | * rounded down to the hardware's capabilities (according to the | |
648 | * entries in the var structure). Return != 0 for invalid regno. | |
649 | */ | |
650 | ||
651 | static int ps3fb_setcolreg(unsigned int regno, unsigned int red, | |
652 | unsigned int green, unsigned int blue, | |
653 | unsigned int transp, struct fb_info *info) | |
654 | { | |
655 | if (regno >= 16) | |
656 | return 1; | |
657 | ||
658 | red >>= 8; | |
659 | green >>= 8; | |
660 | blue >>= 8; | |
661 | transp >>= 8; | |
662 | ||
663 | ((u32 *)info->pseudo_palette)[regno] = transp << 24 | red << 16 | | |
664 | green << 8 | blue; | |
665 | return 0; | |
666 | } | |
667 | ||
fc7028b7 GU |
668 | static int ps3fb_pan_display(struct fb_var_screeninfo *var, |
669 | struct fb_info *info) | |
670 | { | |
671 | struct ps3fb_par *par = info->par; | |
672 | ||
673 | par->pan_offset = var->yoffset * info->fix.line_length + | |
674 | var->xoffset * BPP; | |
675 | return 0; | |
676 | } | |
677 | ||
310d8c11 GU |
678 | /* |
679 | * As we have a virtual frame buffer, we need our own mmap function | |
680 | */ | |
681 | ||
682 | static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma) | |
683 | { | |
684 | unsigned long size, offset; | |
310d8c11 GU |
685 | |
686 | size = vma->vm_end - vma->vm_start; | |
687 | offset = vma->vm_pgoff << PAGE_SHIFT; | |
688 | if (offset + size > info->fix.smem_len) | |
689 | return -EINVAL; | |
690 | ||
2ce32e15 | 691 | offset += info->fix.smem_start; |
310d8c11 GU |
692 | if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT, |
693 | size, vma->vm_page_prot)) | |
694 | return -EAGAIN; | |
695 | ||
535da7ff GU |
696 | dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n", |
697 | offset, vma->vm_start); | |
310d8c11 GU |
698 | return 0; |
699 | } | |
700 | ||
701 | /* | |
702 | * Blank the display | |
703 | */ | |
704 | ||
705 | static int ps3fb_blank(int blank, struct fb_info *info) | |
706 | { | |
707 | int retval; | |
708 | ||
535da7ff | 709 | dev_dbg(info->device, "%s: blank:%d\n", __func__, blank); |
310d8c11 GU |
710 | switch (blank) { |
711 | case FB_BLANK_POWERDOWN: | |
712 | case FB_BLANK_HSYNC_SUSPEND: | |
713 | case FB_BLANK_VSYNC_SUSPEND: | |
714 | case FB_BLANK_NORMAL: | |
715 | retval = ps3av_video_mute(1); /* mute on */ | |
716 | if (!retval) | |
717 | ps3fb.is_blanked = 1; | |
718 | break; | |
719 | ||
720 | default: /* unblank */ | |
721 | retval = ps3av_video_mute(0); /* mute off */ | |
722 | if (!retval) | |
723 | ps3fb.is_blanked = 0; | |
724 | break; | |
725 | } | |
726 | return retval; | |
727 | } | |
728 | ||
729 | static int ps3fb_get_vblank(struct fb_vblank *vblank) | |
730 | { | |
3cc2c177 | 731 | memset(vblank, 0, sizeof(*vblank)); |
310d8c11 GU |
732 | vblank->flags = FB_VBLANK_HAVE_VSYNC; |
733 | return 0; | |
734 | } | |
735 | ||
15e4d001 | 736 | static int ps3fb_wait_for_vsync(u32 crtc) |
310d8c11 GU |
737 | { |
738 | int ret; | |
739 | u64 count; | |
740 | ||
741 | count = ps3fb.vblank_count; | |
742 | ret = wait_event_interruptible_timeout(ps3fb.wait_vsync, | |
743 | count != ps3fb.vblank_count, | |
744 | HZ / 10); | |
745 | if (!ret) | |
746 | return -ETIMEDOUT; | |
747 | ||
748 | return 0; | |
749 | } | |
750 | ||
15e4d001 | 751 | static void ps3fb_flip_ctl(int on, void *data) |
310d8c11 | 752 | { |
9e6b99bd | 753 | struct ps3fb_priv *priv = data; |
eca28743 | 754 | if (on) |
9e6b99bd | 755 | atomic_dec_if_positive(&priv->ext_flip); |
eca28743 | 756 | else |
9e6b99bd | 757 | atomic_inc(&priv->ext_flip); |
310d8c11 GU |
758 | } |
759 | ||
310d8c11 GU |
760 | |
761 | /* | |
762 | * ioctl | |
763 | */ | |
764 | ||
765 | static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd, | |
766 | unsigned long arg) | |
767 | { | |
768 | void __user *argp = (void __user *)arg; | |
0333d835 | 769 | u32 val; |
310d8c11 GU |
770 | int retval = -EFAULT; |
771 | ||
772 | switch (cmd) { | |
773 | case FBIOGET_VBLANK: | |
774 | { | |
775 | struct fb_vblank vblank; | |
535da7ff | 776 | dev_dbg(info->device, "FBIOGET_VBLANK:\n"); |
310d8c11 GU |
777 | retval = ps3fb_get_vblank(&vblank); |
778 | if (retval) | |
779 | break; | |
780 | ||
781 | if (copy_to_user(argp, &vblank, sizeof(vblank))) | |
782 | retval = -EFAULT; | |
783 | break; | |
784 | } | |
785 | ||
786 | case FBIO_WAITFORVSYNC: | |
787 | { | |
788 | u32 crt; | |
535da7ff | 789 | dev_dbg(info->device, "FBIO_WAITFORVSYNC:\n"); |
310d8c11 GU |
790 | if (get_user(crt, (u32 __user *) arg)) |
791 | break; | |
792 | ||
793 | retval = ps3fb_wait_for_vsync(crt); | |
794 | break; | |
795 | } | |
796 | ||
797 | case PS3FB_IOCTL_SETMODE: | |
798 | { | |
0333d835 | 799 | struct ps3fb_par *par = info->par; |
310d8c11 GU |
800 | const struct fb_videomode *mode; |
801 | struct fb_var_screeninfo var; | |
802 | ||
803 | if (copy_from_user(&val, argp, sizeof(val))) | |
804 | break; | |
805 | ||
64072901 | 806 | if (!(val & PS3AV_MODE_MASK)) { |
ce4c371a | 807 | u32 id = ps3av_get_auto_mode(); |
64072901 MK |
808 | if (id > 0) |
809 | val = (val & ~PS3AV_MODE_MASK) | id; | |
810 | } | |
535da7ff | 811 | dev_dbg(info->device, "PS3FB_IOCTL_SETMODE:%x\n", val); |
310d8c11 | 812 | retval = -EINVAL; |
0333d835 | 813 | mode = ps3fb_default_mode(val); |
310d8c11 GU |
814 | if (mode) { |
815 | var = info->var; | |
816 | fb_videomode_to_var(&var, mode); | |
817 | acquire_console_sem(); | |
818 | info->flags |= FBINFO_MISC_USEREVENT; | |
819 | /* Force, in case only special bits changed */ | |
820 | var.activate |= FB_ACTIVATE_FORCE; | |
0333d835 | 821 | par->new_mode_id = val; |
310d8c11 GU |
822 | retval = fb_set_var(info, &var); |
823 | info->flags &= ~FBINFO_MISC_USEREVENT; | |
824 | release_console_sem(); | |
825 | } | |
310d8c11 GU |
826 | break; |
827 | } | |
828 | ||
829 | case PS3FB_IOCTL_GETMODE: | |
830 | val = ps3av_get_mode(); | |
535da7ff | 831 | dev_dbg(info->device, "PS3FB_IOCTL_GETMODE:%x\n", val); |
310d8c11 GU |
832 | if (!copy_to_user(argp, &val, sizeof(val))) |
833 | retval = 0; | |
834 | break; | |
835 | ||
836 | case PS3FB_IOCTL_SCREENINFO: | |
837 | { | |
0333d835 | 838 | struct ps3fb_par *par = info->par; |
310d8c11 | 839 | struct ps3fb_ioctl_res res; |
535da7ff | 840 | dev_dbg(info->device, "PS3FB_IOCTL_SCREENINFO:\n"); |
61e0b28e GU |
841 | res.xres = info->fix.line_length / BPP; |
842 | res.yres = info->var.yres_virtual; | |
843 | res.xoff = (res.xres - info->var.xres) / 2; | |
844 | res.yoff = (res.yres - info->var.yres) / 2; | |
0333d835 | 845 | res.num_frames = par->num_frames; |
310d8c11 GU |
846 | if (!copy_to_user(argp, &res, sizeof(res))) |
847 | retval = 0; | |
848 | break; | |
849 | } | |
850 | ||
851 | case PS3FB_IOCTL_ON: | |
535da7ff | 852 | dev_dbg(info->device, "PS3FB_IOCTL_ON:\n"); |
310d8c11 GU |
853 | atomic_inc(&ps3fb.ext_flip); |
854 | retval = 0; | |
855 | break; | |
856 | ||
857 | case PS3FB_IOCTL_OFF: | |
535da7ff | 858 | dev_dbg(info->device, "PS3FB_IOCTL_OFF:\n"); |
eca28743 | 859 | atomic_dec_if_positive(&ps3fb.ext_flip); |
310d8c11 GU |
860 | retval = 0; |
861 | break; | |
862 | ||
863 | case PS3FB_IOCTL_FSEL: | |
864 | if (copy_from_user(&val, argp, sizeof(val))) | |
865 | break; | |
866 | ||
535da7ff | 867 | dev_dbg(info->device, "PS3FB_IOCTL_FSEL:%d\n", val); |
8dab6376 | 868 | acquire_console_sem(); |
535da7ff | 869 | retval = ps3fb_sync(info, val); |
8dab6376 | 870 | release_console_sem(); |
310d8c11 GU |
871 | break; |
872 | ||
873 | default: | |
874 | retval = -ENOIOCTLCMD; | |
875 | break; | |
876 | } | |
877 | return retval; | |
878 | } | |
879 | ||
880 | static int ps3fbd(void *arg) | |
881 | { | |
535da7ff GU |
882 | struct fb_info *info = arg; |
883 | ||
83144186 | 884 | set_freezable(); |
1c0c8461 GU |
885 | while (!kthread_should_stop()) { |
886 | try_to_freeze(); | |
887 | set_current_state(TASK_INTERRUPTIBLE); | |
888 | if (ps3fb.is_kicked) { | |
889 | ps3fb.is_kicked = 0; | |
8dab6376 | 890 | acquire_console_sem(); |
535da7ff | 891 | ps3fb_sync(info, 0); /* single buffer */ |
8dab6376 | 892 | release_console_sem(); |
1c0c8461 GU |
893 | } |
894 | schedule(); | |
310d8c11 GU |
895 | } |
896 | return 0; | |
897 | } | |
898 | ||
899 | static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr) | |
900 | { | |
535da7ff | 901 | struct device *dev = ptr; |
310d8c11 GU |
902 | u64 v1; |
903 | int status; | |
904 | struct display_head *head = &ps3fb.dinfo->display_head[1]; | |
905 | ||
906 | status = lv1_gpu_context_intr(ps3fb.context_handle, &v1); | |
907 | if (status) { | |
535da7ff GU |
908 | dev_err(dev, "%s: lv1_gpu_context_intr failed: %d\n", __func__, |
909 | status); | |
310d8c11 GU |
910 | return IRQ_NONE; |
911 | } | |
912 | ||
913 | if (v1 & (1 << GPU_INTR_STATUS_VSYNC_1)) { | |
914 | /* VSYNC */ | |
915 | ps3fb.vblank_count = head->vblank_count; | |
1c0c8461 GU |
916 | if (ps3fb.task && !ps3fb.is_blanked && |
917 | !atomic_read(&ps3fb.ext_flip)) { | |
918 | ps3fb.is_kicked = 1; | |
919 | wake_up_process(ps3fb.task); | |
920 | } | |
310d8c11 GU |
921 | wake_up_interruptible(&ps3fb.wait_vsync); |
922 | } | |
923 | ||
924 | return IRQ_HANDLED; | |
925 | } | |
926 | ||
310d8c11 | 927 | |
9e6b99bd | 928 | static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo, |
535da7ff | 929 | struct device *dev) |
310d8c11 GU |
930 | { |
931 | int error; | |
932 | ||
535da7ff GU |
933 | dev_dbg(dev, "version_driver:%x\n", dinfo->version_driver); |
934 | dev_dbg(dev, "irq outlet:%x\n", dinfo->irq.irq_outlet); | |
935 | dev_dbg(dev, | |
936 | "version_gpu: %x memory_size: %x ch: %x core_freq: %d " | |
937 | "mem_freq:%d\n", | |
310d8c11 GU |
938 | dinfo->version_gpu, dinfo->memory_size, dinfo->hardware_channel, |
939 | dinfo->nvcore_frequency/1000000, dinfo->memory_frequency/1000000); | |
940 | ||
941 | if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) { | |
535da7ff GU |
942 | dev_err(dev, "%s: version_driver err:%x\n", __func__, |
943 | dinfo->version_driver); | |
310d8c11 GU |
944 | return -EINVAL; |
945 | } | |
946 | ||
dc4f60c2 GL |
947 | error = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet, |
948 | &ps3fb.irq_no); | |
310d8c11 | 949 | if (error) { |
535da7ff | 950 | dev_err(dev, "%s: ps3_alloc_irq failed %d\n", __func__, error); |
310d8c11 GU |
951 | return error; |
952 | } | |
953 | ||
954 | error = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, IRQF_DISABLED, | |
9e6b99bd | 955 | DEVICE_NAME, dev); |
310d8c11 | 956 | if (error) { |
535da7ff | 957 | dev_err(dev, "%s: request_irq failed %d\n", __func__, error); |
dc4f60c2 | 958 | ps3_irq_plug_destroy(ps3fb.irq_no); |
310d8c11 GU |
959 | return error; |
960 | } | |
961 | ||
962 | dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) | | |
963 | (1 << GPU_INTR_STATUS_FLIP_1); | |
964 | return 0; | |
965 | } | |
966 | ||
535da7ff | 967 | static int ps3fb_xdr_settings(u64 xdr_lpar, struct device *dev) |
310d8c11 GU |
968 | { |
969 | int status; | |
970 | ||
971 | status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, | |
972 | xdr_lpar, ps3fb_videomemory.size, 0); | |
973 | if (status) { | |
535da7ff GU |
974 | dev_err(dev, "%s: lv1_gpu_context_iomap failed: %d\n", |
975 | __func__, status); | |
310d8c11 GU |
976 | return -ENXIO; |
977 | } | |
535da7ff GU |
978 | dev_dbg(dev, |
979 | "video:%p xdr_ea:%p ioif:%lx lpar:%lx phys:%lx size:%lx\n", | |
310d8c11 GU |
980 | ps3fb_videomemory.address, ps3fb.xdr_ea, GPU_IOIF, xdr_lpar, |
981 | virt_to_abs(ps3fb.xdr_ea), ps3fb_videomemory.size); | |
982 | ||
983 | status = lv1_gpu_context_attribute(ps3fb.context_handle, | |
984 | L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP, | |
9ac67a35 GU |
985 | xdr_lpar, GPU_CMD_BUF_SIZE, |
986 | GPU_IOIF, 0); | |
310d8c11 | 987 | if (status) { |
535da7ff GU |
988 | dev_err(dev, |
989 | "%s: lv1_gpu_context_attribute FB_SETUP failed: %d\n", | |
990 | __func__, status); | |
310d8c11 GU |
991 | return -ENXIO; |
992 | } | |
993 | return 0; | |
994 | } | |
995 | ||
996 | static struct fb_ops ps3fb_ops = { | |
997 | .fb_open = ps3fb_open, | |
998 | .fb_release = ps3fb_release, | |
92c4579d GU |
999 | .fb_read = fb_sys_read, |
1000 | .fb_write = fb_sys_write, | |
310d8c11 GU |
1001 | .fb_check_var = ps3fb_check_var, |
1002 | .fb_set_par = ps3fb_set_par, | |
1003 | .fb_setcolreg = ps3fb_setcolreg, | |
fc7028b7 | 1004 | .fb_pan_display = ps3fb_pan_display, |
92c4579d GU |
1005 | .fb_fillrect = sys_fillrect, |
1006 | .fb_copyarea = sys_copyarea, | |
1007 | .fb_imageblit = sys_imageblit, | |
310d8c11 GU |
1008 | .fb_mmap = ps3fb_mmap, |
1009 | .fb_blank = ps3fb_blank, | |
1010 | .fb_ioctl = ps3fb_ioctl, | |
1011 | .fb_compat_ioctl = ps3fb_ioctl | |
1012 | }; | |
1013 | ||
1014 | static struct fb_fix_screeninfo ps3fb_fix __initdata = { | |
9e6b99bd | 1015 | .id = DEVICE_NAME, |
310d8c11 GU |
1016 | .type = FB_TYPE_PACKED_PIXELS, |
1017 | .visual = FB_VISUAL_TRUECOLOR, | |
1018 | .accel = FB_ACCEL_NONE, | |
1019 | }; | |
1020 | ||
535da7ff | 1021 | static int ps3fb_set_sync(struct device *dev) |
9e6b99bd GU |
1022 | { |
1023 | int status; | |
1024 | ||
1025 | #ifdef HEAD_A | |
1026 | status = lv1_gpu_context_attribute(0x0, | |
1027 | L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC, | |
1028 | 0, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0); | |
1029 | if (status) { | |
535da7ff GU |
1030 | dev_err(dev, |
1031 | "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: " | |
1032 | "%d\n", | |
1033 | __func__, status); | |
9e6b99bd GU |
1034 | return -1; |
1035 | } | |
1036 | #endif | |
1037 | #ifdef HEAD_B | |
1038 | status = lv1_gpu_context_attribute(0x0, | |
1039 | L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC, | |
1040 | 1, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0); | |
1041 | ||
1042 | if (status) { | |
535da7ff GU |
1043 | dev_err(dev, |
1044 | "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: " | |
1045 | "%d\n", | |
1046 | __func__, status); | |
9e6b99bd GU |
1047 | return -1; |
1048 | } | |
1049 | #endif | |
1050 | return 0; | |
1051 | } | |
1052 | ||
1053 | static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev) | |
310d8c11 GU |
1054 | { |
1055 | struct fb_info *info; | |
0333d835 | 1056 | struct ps3fb_par *par; |
310d8c11 | 1057 | int retval = -ENOMEM; |
9e6b99bd | 1058 | u32 xres, yres; |
310d8c11 GU |
1059 | u64 ddr_lpar = 0; |
1060 | u64 lpar_dma_control = 0; | |
1061 | u64 lpar_driver_info = 0; | |
1062 | u64 lpar_reports = 0; | |
1063 | u64 lpar_reports_size = 0; | |
1064 | u64 xdr_lpar; | |
0333d835 | 1065 | int status, res_index; |
1c0c8461 | 1066 | struct task_struct *task; |
ee592a5b | 1067 | unsigned long max_ps3fb_size; |
310d8c11 | 1068 | |
9ac67a35 GU |
1069 | if (ps3fb_videomemory.size < GPU_CMD_BUF_SIZE) { |
1070 | dev_err(&dev->core, "%s: Not enough video memory\n", __func__); | |
1071 | return -ENOMEM; | |
1072 | } | |
1073 | ||
9e6b99bd GU |
1074 | status = ps3_open_hv_device(dev); |
1075 | if (status) { | |
535da7ff GU |
1076 | dev_err(&dev->core, "%s: ps3_open_hv_device failed\n", |
1077 | __func__); | |
9e6b99bd GU |
1078 | goto err; |
1079 | } | |
1080 | ||
1081 | if (!ps3fb_mode) | |
1082 | ps3fb_mode = ps3av_get_mode(); | |
535da7ff | 1083 | dev_dbg(&dev->core, "ps3av_mode:%d\n", ps3fb_mode); |
9e6b99bd GU |
1084 | |
1085 | if (ps3fb_mode > 0 && | |
1086 | !ps3av_video_mode2res(ps3fb_mode, &xres, &yres)) { | |
0333d835 GU |
1087 | res_index = ps3fb_get_res_table(xres, yres, ps3fb_mode); |
1088 | dev_dbg(&dev->core, "res_index:%d\n", res_index); | |
9e6b99bd | 1089 | } else |
0333d835 | 1090 | res_index = GPU_RES_INDEX; |
9e6b99bd GU |
1091 | |
1092 | atomic_set(&ps3fb.f_count, -1); /* fbcon opens ps3fb */ | |
1093 | atomic_set(&ps3fb.ext_flip, 0); /* for flip with vsync */ | |
1094 | init_waitqueue_head(&ps3fb.wait_vsync); | |
9e6b99bd | 1095 | |
535da7ff | 1096 | ps3fb_set_sync(&dev->core); |
9e6b99bd | 1097 | |
ee592a5b GU |
1098 | max_ps3fb_size = _ALIGN_UP(GPU_IOIF, 256*1024*1024) - GPU_IOIF; |
1099 | if (ps3fb_videomemory.size > max_ps3fb_size) { | |
1100 | dev_info(&dev->core, "Limiting ps3fb mem size to %lu bytes\n", | |
1101 | max_ps3fb_size); | |
1102 | ps3fb_videomemory.size = max_ps3fb_size; | |
1103 | } | |
1104 | ||
310d8c11 | 1105 | /* get gpu context handle */ |
ee592a5b | 1106 | status = lv1_gpu_memory_allocate(ps3fb_videomemory.size, 0, 0, 0, 0, |
310d8c11 GU |
1107 | &ps3fb.memory_handle, &ddr_lpar); |
1108 | if (status) { | |
535da7ff GU |
1109 | dev_err(&dev->core, "%s: lv1_gpu_memory_allocate failed: %d\n", |
1110 | __func__, status); | |
310d8c11 GU |
1111 | goto err; |
1112 | } | |
535da7ff | 1113 | dev_dbg(&dev->core, "ddr:lpar:0x%lx\n", ddr_lpar); |
310d8c11 GU |
1114 | |
1115 | status = lv1_gpu_context_allocate(ps3fb.memory_handle, 0, | |
1116 | &ps3fb.context_handle, | |
1117 | &lpar_dma_control, &lpar_driver_info, | |
1118 | &lpar_reports, &lpar_reports_size); | |
1119 | if (status) { | |
535da7ff GU |
1120 | dev_err(&dev->core, |
1121 | "%s: lv1_gpu_context_attribute failed: %d\n", __func__, | |
1122 | status); | |
310d8c11 GU |
1123 | goto err_gpu_memory_free; |
1124 | } | |
1125 | ||
1126 | /* vsync interrupt */ | |
1127 | ps3fb.dinfo = ioremap(lpar_driver_info, 128 * 1024); | |
1128 | if (!ps3fb.dinfo) { | |
535da7ff | 1129 | dev_err(&dev->core, "%s: ioremap failed\n", __func__); |
310d8c11 GU |
1130 | goto err_gpu_context_free; |
1131 | } | |
1132 | ||
535da7ff | 1133 | retval = ps3fb_vsync_settings(ps3fb.dinfo, &dev->core); |
310d8c11 GU |
1134 | if (retval) |
1135 | goto err_iounmap_dinfo; | |
1136 | ||
2ce32e15 | 1137 | /* XDR frame buffer */ |
310d8c11 GU |
1138 | ps3fb.xdr_ea = ps3fb_videomemory.address; |
1139 | xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb.xdr_ea)); | |
2ce32e15 GU |
1140 | |
1141 | /* Clear memory to prevent kernel info leakage into userspace */ | |
1142 | memset(ps3fb.xdr_ea, 0, ps3fb_videomemory.size); | |
1143 | ||
9ac67a35 GU |
1144 | /* |
1145 | * The GPU command buffer is at the start of video memory | |
1146 | * As we don't use the full command buffer, we can put the actual | |
1147 | * frame buffer at offset GPU_FB_START and save some precious XDR | |
1148 | * memory | |
1149 | */ | |
1150 | ps3fb.xdr_ea += GPU_FB_START; | |
1151 | ps3fb.xdr_size = ps3fb_videomemory.size - GPU_FB_START; | |
2ce32e15 | 1152 | |
535da7ff | 1153 | retval = ps3fb_xdr_settings(xdr_lpar, &dev->core); |
310d8c11 GU |
1154 | if (retval) |
1155 | goto err_free_irq; | |
1156 | ||
0333d835 | 1157 | info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core); |
310d8c11 GU |
1158 | if (!info) |
1159 | goto err_free_irq; | |
1160 | ||
0333d835 GU |
1161 | par = info->par; |
1162 | par->mode_id = ~ps3fb_mode; /* != ps3fb_mode, to trigger change */ | |
1163 | par->new_mode_id = ps3fb_mode; | |
1164 | par->res_index = res_index; | |
1165 | par->num_frames = 1; | |
1166 | ||
f1664ed8 | 1167 | info->screen_base = (char __iomem *)ps3fb.xdr_ea; |
310d8c11 GU |
1168 | info->fbops = &ps3fb_ops; |
1169 | ||
1170 | info->fix = ps3fb_fix; | |
f1664ed8 GU |
1171 | info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea); |
1172 | info->fix.smem_len = ps3fb.xdr_size; | |
0333d835 | 1173 | info->pseudo_palette = par->pseudo_palette; |
fc7028b7 GU |
1174 | info->flags = FBINFO_DEFAULT | FBINFO_READS_FAST | |
1175 | FBINFO_HWACCEL_XPAN | FBINFO_HWACCEL_YPAN; | |
310d8c11 GU |
1176 | |
1177 | retval = fb_alloc_cmap(&info->cmap, 256, 0); | |
1178 | if (retval < 0) | |
1179 | goto err_framebuffer_release; | |
1180 | ||
1181 | if (!fb_find_mode(&info->var, info, mode_option, ps3fb_modedb, | |
0333d835 GU |
1182 | ARRAY_SIZE(ps3fb_modedb), |
1183 | ps3fb_default_mode(par->new_mode_id), 32)) { | |
310d8c11 GU |
1184 | retval = -EINVAL; |
1185 | goto err_fb_dealloc; | |
1186 | } | |
1187 | ||
1188 | fb_videomode_to_modelist(ps3fb_modedb, ARRAY_SIZE(ps3fb_modedb), | |
1189 | &info->modelist); | |
1190 | ||
1191 | retval = register_framebuffer(info); | |
1192 | if (retval < 0) | |
1193 | goto err_fb_dealloc; | |
1194 | ||
9e6b99bd | 1195 | dev->core.driver_data = info; |
310d8c11 | 1196 | |
535da7ff GU |
1197 | dev_info(info->device, "%s %s, using %lu KiB of video memory\n", |
1198 | dev_driver_string(info->dev), info->dev->bus_id, | |
2ce32e15 | 1199 | ps3fb.xdr_size >> 10); |
310d8c11 | 1200 | |
9e6b99bd | 1201 | task = kthread_run(ps3fbd, info, DEVICE_NAME); |
1c0c8461 GU |
1202 | if (IS_ERR(task)) { |
1203 | retval = PTR_ERR(task); | |
1204 | goto err_unregister_framebuffer; | |
1205 | } | |
1206 | ||
1207 | ps3fb.task = task; | |
9e6b99bd | 1208 | ps3av_register_flip_ctl(ps3fb_flip_ctl, &ps3fb); |
1c0c8461 | 1209 | |
310d8c11 GU |
1210 | return 0; |
1211 | ||
1c0c8461 GU |
1212 | err_unregister_framebuffer: |
1213 | unregister_framebuffer(info); | |
310d8c11 GU |
1214 | err_fb_dealloc: |
1215 | fb_dealloc_cmap(&info->cmap); | |
1216 | err_framebuffer_release: | |
1217 | framebuffer_release(info); | |
1218 | err_free_irq: | |
fcbe6e97 | 1219 | free_irq(ps3fb.irq_no, &dev->core); |
dc4f60c2 | 1220 | ps3_irq_plug_destroy(ps3fb.irq_no); |
310d8c11 GU |
1221 | err_iounmap_dinfo: |
1222 | iounmap((u8 __iomem *)ps3fb.dinfo); | |
1223 | err_gpu_context_free: | |
1224 | lv1_gpu_context_free(ps3fb.context_handle); | |
1225 | err_gpu_memory_free: | |
1226 | lv1_gpu_memory_free(ps3fb.memory_handle); | |
1227 | err: | |
1228 | return retval; | |
1229 | } | |
1230 | ||
9e6b99bd | 1231 | static int ps3fb_shutdown(struct ps3_system_bus_device *dev) |
310d8c11 | 1232 | { |
9e6b99bd GU |
1233 | int status; |
1234 | struct fb_info *info = dev->core.driver_data; | |
1235 | ||
535da7ff | 1236 | dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__); |
9e6b99bd GU |
1237 | |
1238 | ps3fb_flip_ctl(0, &ps3fb); /* flip off */ | |
310d8c11 | 1239 | ps3fb.dinfo->irq.mask = 0; |
310d8c11 | 1240 | |
9e6b99bd | 1241 | ps3av_register_flip_ctl(NULL, NULL); |
1c0c8461 GU |
1242 | if (ps3fb.task) { |
1243 | struct task_struct *task = ps3fb.task; | |
1244 | ps3fb.task = NULL; | |
1245 | kthread_stop(task); | |
1246 | } | |
310d8c11 | 1247 | if (ps3fb.irq_no) { |
fcbe6e97 | 1248 | free_irq(ps3fb.irq_no, &dev->core); |
dc4f60c2 | 1249 | ps3_irq_plug_destroy(ps3fb.irq_no); |
310d8c11 | 1250 | } |
ba21611c JK |
1251 | if (info) { |
1252 | unregister_framebuffer(info); | |
1253 | fb_dealloc_cmap(&info->cmap); | |
1254 | framebuffer_release(info); | |
1255 | info = dev->core.driver_data = NULL; | |
1256 | } | |
310d8c11 GU |
1257 | iounmap((u8 __iomem *)ps3fb.dinfo); |
1258 | ||
1259 | status = lv1_gpu_context_free(ps3fb.context_handle); | |
1260 | if (status) | |
535da7ff GU |
1261 | dev_dbg(&dev->core, "lv1_gpu_context_free failed: %d\n", |
1262 | status); | |
310d8c11 GU |
1263 | |
1264 | status = lv1_gpu_memory_free(ps3fb.memory_handle); | |
1265 | if (status) | |
535da7ff GU |
1266 | dev_dbg(&dev->core, "lv1_gpu_memory_free failed: %d\n", |
1267 | status); | |
310d8c11 | 1268 | |
9e6b99bd | 1269 | ps3_close_hv_device(dev); |
535da7ff | 1270 | dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__); |
310d8c11 | 1271 | |
310d8c11 GU |
1272 | return 0; |
1273 | } | |
1274 | ||
9e6b99bd GU |
1275 | static struct ps3_system_bus_driver ps3fb_driver = { |
1276 | .match_id = PS3_MATCH_ID_GRAPHICS, | |
1277 | .core.name = DEVICE_NAME, | |
1278 | .core.owner = THIS_MODULE, | |
1279 | .probe = ps3fb_probe, | |
1280 | .remove = ps3fb_shutdown, | |
1281 | .shutdown = ps3fb_shutdown, | |
310d8c11 GU |
1282 | }; |
1283 | ||
9e6b99bd | 1284 | static int __init ps3fb_setup(void) |
310d8c11 | 1285 | { |
9e6b99bd | 1286 | char *options; |
310d8c11 | 1287 | |
9e6b99bd | 1288 | #ifdef MODULE |
310d8c11 | 1289 | return 0; |
310d8c11 GU |
1290 | #endif |
1291 | ||
9e6b99bd GU |
1292 | if (fb_get_options(DEVICE_NAME, &options)) |
1293 | return -ENXIO; | |
310d8c11 | 1294 | |
9e6b99bd GU |
1295 | if (!options || !*options) |
1296 | return 0; | |
310d8c11 | 1297 | |
9e6b99bd GU |
1298 | while (1) { |
1299 | char *this_opt = strsep(&options, ","); | |
310d8c11 | 1300 | |
9e6b99bd GU |
1301 | if (!this_opt) |
1302 | break; | |
1303 | if (!*this_opt) | |
1304 | continue; | |
1305 | if (!strncmp(this_opt, "mode:", 5)) | |
1306 | ps3fb_mode = simple_strtoul(this_opt + 5, NULL, 0); | |
1307 | else | |
1308 | mode_option = this_opt; | |
310d8c11 | 1309 | } |
9e6b99bd GU |
1310 | return 0; |
1311 | } | |
310d8c11 | 1312 | |
9e6b99bd GU |
1313 | static int __init ps3fb_init(void) |
1314 | { | |
1315 | if (!ps3fb_videomemory.address || ps3fb_setup()) | |
1316 | return -ENXIO; | |
310d8c11 | 1317 | |
9e6b99bd | 1318 | return ps3_system_bus_driver_register(&ps3fb_driver); |
310d8c11 GU |
1319 | } |
1320 | ||
310d8c11 GU |
1321 | static void __exit ps3fb_exit(void) |
1322 | { | |
535da7ff | 1323 | pr_debug(" -> %s:%d\n", __func__, __LINE__); |
9e6b99bd | 1324 | ps3_system_bus_driver_unregister(&ps3fb_driver); |
535da7ff | 1325 | pr_debug(" <- %s:%d\n", __func__, __LINE__); |
310d8c11 GU |
1326 | } |
1327 | ||
9e6b99bd | 1328 | module_init(ps3fb_init); |
310d8c11 GU |
1329 | module_exit(ps3fb_exit); |
1330 | ||
1331 | MODULE_LICENSE("GPL"); | |
9e6b99bd GU |
1332 | MODULE_DESCRIPTION("PS3 GPU Frame Buffer Driver"); |
1333 | MODULE_AUTHOR("Sony Computer Entertainment Inc."); | |
1334 | MODULE_ALIAS(PS3_MODULE_ALIAS_GRAPHICS); |