diff options
Diffstat (limited to 'drivers/video/fbdev/ps3fb.c')
| -rw-r--r-- | drivers/video/fbdev/ps3fb.c | 1307 |
1 files changed, 1307 insertions, 0 deletions
diff --git a/drivers/video/fbdev/ps3fb.c b/drivers/video/fbdev/ps3fb.c new file mode 100644 index 000000000000..b269abd932aa --- /dev/null +++ b/drivers/video/fbdev/ps3fb.c | |||
| @@ -0,0 +1,1307 @@ | |||
| 1 | /* | ||
| 2 | * linux/drivers/video/ps3fb.c -- PS3 GPU frame buffer device | ||
| 3 | * | ||
| 4 | * Copyright (C) 2006 Sony Computer Entertainment Inc. | ||
| 5 | * Copyright 2006, 2007 Sony Corporation | ||
| 6 | * | ||
| 7 | * This file is based on : | ||
| 8 | * | ||
| 9 | * linux/drivers/video/vfb.c -- Virtual frame buffer device | ||
| 10 | * | ||
| 11 | * Copyright (C) 2002 James Simmons | ||
| 12 | * | ||
| 13 | * Copyright (C) 1997 Geert Uytterhoeven | ||
| 14 | * | ||
| 15 | * This file is subject to the terms and conditions of the GNU General Public | ||
| 16 | * License. See the file COPYING in the main directory of this archive for | ||
| 17 | * more details. | ||
| 18 | */ | ||
| 19 | |||
| 20 | #include <linux/module.h> | ||
| 21 | #include <linux/kernel.h> | ||
| 22 | #include <linux/errno.h> | ||
| 23 | #include <linux/string.h> | ||
| 24 | #include <linux/mm.h> | ||
| 25 | #include <linux/interrupt.h> | ||
| 26 | #include <linux/console.h> | ||
| 27 | #include <linux/ioctl.h> | ||
| 28 | #include <linux/kthread.h> | ||
| 29 | #include <linux/freezer.h> | ||
| 30 | #include <linux/uaccess.h> | ||
| 31 | #include <linux/fb.h> | ||
| 32 | #include <linux/init.h> | ||
| 33 | |||
| 34 | #include <asm/cell-regs.h> | ||
| 35 | #include <asm/lv1call.h> | ||
| 36 | #include <asm/ps3av.h> | ||
| 37 | #include <asm/ps3fb.h> | ||
| 38 | #include <asm/ps3.h> | ||
| 39 | #include <asm/ps3gpu.h> | ||
| 40 | |||
| 41 | |||
| 42 | #define DEVICE_NAME "ps3fb" | ||
| 43 | |||
| 44 | #define GPU_CMD_BUF_SIZE (2 * 1024 * 1024) | ||
| 45 | #define GPU_FB_START (64 * 1024) | ||
| 46 | #define GPU_IOIF (0x0d000000UL) | ||
| 47 | #define GPU_ALIGN_UP(x) _ALIGN_UP((x), 64) | ||
| 48 | #define GPU_MAX_LINE_LENGTH (65536 - 64) | ||
| 49 | |||
| 50 | #define GPU_INTR_STATUS_VSYNC_0 0 /* vsync on head A */ | ||
| 51 | #define GPU_INTR_STATUS_VSYNC_1 1 /* vsync on head B */ | ||
| 52 | #define GPU_INTR_STATUS_FLIP_0 3 /* flip head A */ | ||
| 53 | #define GPU_INTR_STATUS_FLIP_1 4 /* flip head B */ | ||
| 54 | #define GPU_INTR_STATUS_QUEUE_0 5 /* queue head A */ | ||
| 55 | #define GPU_INTR_STATUS_QUEUE_1 6 /* queue head B */ | ||
| 56 | |||
| 57 | #define GPU_DRIVER_INFO_VERSION 0x211 | ||
| 58 | |||
| 59 | /* gpu internals */ | ||
| 60 | struct display_head { | ||
| 61 | u64 be_time_stamp; | ||
| 62 | u32 status; | ||
| 63 | u32 offset; | ||
| 64 | u32 res1; | ||
| 65 | u32 res2; | ||
| 66 | u32 field; | ||
| 67 | u32 reserved1; | ||
| 68 | |||
| 69 | u64 res3; | ||
| 70 | u32 raster; | ||
| 71 | |||
| 72 | u64 vblank_count; | ||
| 73 | u32 field_vsync; | ||
| 74 | u32 reserved2; | ||
| 75 | }; | ||
| 76 | |||
| 77 | struct gpu_irq { | ||
| 78 | u32 irq_outlet; | ||
| 79 | u32 status; | ||
| 80 | u32 mask; | ||
| 81 | u32 video_cause; | ||
| 82 | u32 graph_cause; | ||
| 83 | u32 user_cause; | ||
| 84 | |||
| 85 | u32 res1; | ||
| 86 | u64 res2; | ||
| 87 | |||
| 88 | u32 reserved[4]; | ||
| 89 | }; | ||
| 90 | |||
| 91 | struct gpu_driver_info { | ||
| 92 | u32 version_driver; | ||
| 93 | u32 version_gpu; | ||
| 94 | u32 memory_size; | ||
| 95 | u32 hardware_channel; | ||
| 96 | |||
| 97 | u32 nvcore_frequency; | ||
| 98 | u32 memory_frequency; | ||
| 99 | |||
| 100 | u32 reserved[1063]; | ||
| 101 | struct display_head display_head[8]; | ||
| 102 | struct gpu_irq irq; | ||
| 103 | }; | ||
| 104 | |||
| 105 | struct ps3fb_priv { | ||
| 106 | unsigned int irq_no; | ||
| 107 | |||
| 108 | u64 context_handle, memory_handle; | ||
| 109 | struct gpu_driver_info *dinfo; | ||
| 110 | |||
| 111 | u64 vblank_count; /* frame count */ | ||
| 112 | wait_queue_head_t wait_vsync; | ||
| 113 | |||
| 114 | atomic_t ext_flip; /* on/off flip with vsync */ | ||
| 115 | atomic_t f_count; /* fb_open count */ | ||
| 116 | int is_blanked; | ||
| 117 | int is_kicked; | ||
| 118 | struct task_struct *task; | ||
| 119 | }; | ||
| 120 | static struct ps3fb_priv ps3fb; | ||
| 121 | |||
| 122 | struct ps3fb_par { | ||
| 123 | u32 pseudo_palette[16]; | ||
| 124 | int mode_id, new_mode_id; | ||
| 125 | unsigned int num_frames; /* num of frame buffers */ | ||
| 126 | unsigned int width; | ||
| 127 | unsigned int height; | ||
| 128 | unsigned int ddr_line_length; | ||
| 129 | unsigned int ddr_frame_size; | ||
| 130 | unsigned int xdr_frame_size; | ||
| 131 | unsigned int full_offset; /* start of fullscreen DDR fb */ | ||
| 132 | unsigned int fb_offset; /* start of actual DDR fb */ | ||
| 133 | unsigned int pan_offset; | ||
| 134 | }; | ||
| 135 | |||
| 136 | |||
| 137 | #define FIRST_NATIVE_MODE_INDEX 10 | ||
| 138 | |||
| 139 | static const struct fb_videomode ps3fb_modedb[] = { | ||
| 140 | /* 60 Hz broadcast modes (modes "1" to "5") */ | ||
| 141 | { | ||
| 142 | /* 480i */ | ||
| 143 | "480i", 60, 576, 384, 74074, 130, 89, 78, 57, 63, 6, | ||
| 144 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED | ||
| 145 | }, { | ||
| 146 | /* 480p */ | ||
| 147 | "480p", 60, 576, 384, 37037, 130, 89, 78, 57, 63, 6, | ||
| 148 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | ||
| 149 | }, { | ||
| 150 | /* 720p */ | ||
| 151 | "720p", 60, 1124, 644, 13481, 298, 148, 57, 44, 80, 5, | ||
| 152 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | ||
| 153 | }, { | ||
| 154 | /* 1080i */ | ||
| 155 | "1080i", 60, 1688, 964, 13481, 264, 160, 94, 62, 88, 5, | ||
| 156 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED | ||
| 157 | }, { | ||
| 158 | /* 1080p */ | ||
| 159 | "1080p", 60, 1688, 964, 6741, 264, 160, 94, 62, 88, 5, | ||
| 160 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | ||
| 161 | }, | ||
| 162 | |||
| 163 | /* 50 Hz broadcast modes (modes "6" to "10") */ | ||
| 164 | { | ||
| 165 | /* 576i */ | ||
| 166 | "576i", 50, 576, 460, 74074, 142, 83, 97, 63, 63, 5, | ||
| 167 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED | ||
| 168 | }, { | ||
| 169 | /* 576p */ | ||
| 170 | "576p", 50, 576, 460, 37037, 142, 83, 97, 63, 63, 5, | ||
| 171 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | ||
| 172 | }, { | ||
| 173 | /* 720p */ | ||
| 174 | "720p", 50, 1124, 644, 13468, 298, 478, 57, 44, 80, 5, | ||
| 175 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | ||
| 176 | }, { | ||
| 177 | /* 1080i */ | ||
| 178 | "1080i", 50, 1688, 964, 13468, 264, 600, 94, 62, 88, 5, | ||
| 179 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED | ||
| 180 | }, { | ||
| 181 | /* 1080p */ | ||
| 182 | "1080p", 50, 1688, 964, 6734, 264, 600, 94, 62, 88, 5, | ||
| 183 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | ||
| 184 | }, | ||
| 185 | |||
| 186 | [FIRST_NATIVE_MODE_INDEX] = | ||
| 187 | /* 60 Hz broadcast modes (full resolution versions of modes "1" to "5") */ | ||
| 188 | { | ||
| 189 | /* 480if */ | ||
| 190 | "480if", 60, 720, 480, 74074, 58, 17, 30, 9, 63, 6, | ||
| 191 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED | ||
| 192 | }, { | ||
| 193 | /* 480pf */ | ||
| 194 | "480pf", 60, 720, 480, 37037, 58, 17, 30, 9, 63, 6, | ||
| 195 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | ||
| 196 | }, { | ||
| 197 | /* 720pf */ | ||
| 198 | "720pf", 60, 1280, 720, 13481, 220, 70, 19, 6, 80, 5, | ||
| 199 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | ||
| 200 | }, { | ||
| 201 | /* 1080if */ | ||
| 202 | "1080if", 60, 1920, 1080, 13481, 148, 44, 36, 4, 88, 5, | ||
| 203 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED | ||
| 204 | }, { | ||
| 205 | /* 1080pf */ | ||
| 206 | "1080pf", 60, 1920, 1080, 6741, 148, 44, 36, 4, 88, 5, | ||
| 207 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | ||
| 208 | }, | ||
| 209 | |||
| 210 | /* 50 Hz broadcast modes (full resolution versions of modes "6" to "10") */ | ||
| 211 | { | ||
| 212 | /* 576if */ | ||
| 213 | "576if", 50, 720, 576, 74074, 70, 11, 39, 5, 63, 5, | ||
| 214 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED | ||
| 215 | }, { | ||
| 216 | /* 576pf */ | ||
| 217 | "576pf", 50, 720, 576, 37037, 70, 11, 39, 5, 63, 5, | ||
| 218 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | ||
| 219 | }, { | ||
| 220 | /* 720pf */ | ||
| 221 | "720pf", 50, 1280, 720, 13468, 220, 400, 19, 6, 80, 5, | ||
| 222 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | ||
| 223 | }, { | ||
| 224 | /* 1080if */ | ||
| 225 | "1080if", 50, 1920, 1080, 13468, 148, 484, 36, 4, 88, 5, | ||
| 226 | FB_SYNC_BROADCAST, FB_VMODE_INTERLACED | ||
| 227 | }, { | ||
| 228 | /* 1080pf */ | ||
| 229 | "1080pf", 50, 1920, 1080, 6734, 148, 484, 36, 4, 88, 5, | ||
| 230 | FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | ||
| 231 | }, | ||
| 232 | |||
| 233 | /* VESA modes (modes "11" to "13") */ | ||
| 234 | { | ||
| 235 | /* WXGA */ | ||
| 236 | "wxga", 60, 1280, 768, 12924, 160, 24, 29, 3, 136, 6, | ||
| 237 | 0, FB_VMODE_NONINTERLACED, | ||
| 238 | FB_MODE_IS_VESA | ||
| 239 | }, { | ||
| 240 | /* SXGA */ | ||
| 241 | "sxga", 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3, | ||
| 242 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, | ||
| 243 | FB_MODE_IS_VESA | ||
| 244 | }, { | ||
| 245 | /* WUXGA */ | ||
| 246 | "wuxga", 60, 1920, 1200, 6494, 80, 48, 26, 3, 32, 6, | ||
| 247 | FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED, | ||
| 248 | FB_MODE_IS_VESA | ||
| 249 | } | ||
| 250 | }; | ||
| 251 | |||
| 252 | |||
| 253 | #define HEAD_A | ||
| 254 | #define HEAD_B | ||
| 255 | |||
| 256 | #define BPP 4 /* number of bytes per pixel */ | ||
| 257 | |||
| 258 | |||
| 259 | static int ps3fb_mode; | ||
| 260 | module_param(ps3fb_mode, int, 0); | ||
| 261 | |||
| 262 | static char *mode_option; | ||
| 263 | |||
| 264 | static int ps3fb_cmp_mode(const struct fb_videomode *vmode, | ||
| 265 | const struct fb_var_screeninfo *var) | ||
| 266 | { | ||
| 267 | long xres, yres, left_margin, right_margin, upper_margin, lower_margin; | ||
| 268 | long dx, dy; | ||
| 269 | |||
| 270 | /* maximum values */ | ||
| 271 | if (var->xres > vmode->xres || var->yres > vmode->yres || | ||
| 272 | var->pixclock > vmode->pixclock || | ||
| 273 | var->hsync_len > vmode->hsync_len || | ||
| 274 | var->vsync_len > vmode->vsync_len) | ||
| 275 | return -1; | ||
| 276 | |||
| 277 | /* progressive/interlaced must match */ | ||
| 278 | if ((var->vmode & FB_VMODE_MASK) != vmode->vmode) | ||
| 279 | return -1; | ||
| 280 | |||
| 281 | /* minimum resolution */ | ||
| 282 | xres = max(var->xres, 1U); | ||
| 283 | yres = max(var->yres, 1U); | ||
| 284 | |||
| 285 | /* minimum margins */ | ||
| 286 | left_margin = max(var->left_margin, vmode->left_margin); | ||
| 287 | right_margin = max(var->right_margin, vmode->right_margin); | ||
| 288 | upper_margin = max(var->upper_margin, vmode->upper_margin); | ||
| 289 | lower_margin = max(var->lower_margin, vmode->lower_margin); | ||
| 290 | |||
| 291 | /* resolution + margins may not exceed native parameters */ | ||
| 292 | dx = ((long)vmode->left_margin + (long)vmode->xres + | ||
| 293 | (long)vmode->right_margin) - | ||
| 294 | (left_margin + xres + right_margin); | ||
| 295 | if (dx < 0) | ||
| 296 | return -1; | ||
| 297 | |||
| 298 | dy = ((long)vmode->upper_margin + (long)vmode->yres + | ||
| 299 | (long)vmode->lower_margin) - | ||
| 300 | (upper_margin + yres + lower_margin); | ||
| 301 | if (dy < 0) | ||
| 302 | return -1; | ||
| 303 | |||
| 304 | /* exact match */ | ||
| 305 | if (!dx && !dy) | ||
| 306 | return 0; | ||
| 307 | |||
| 308 | /* resolution difference */ | ||
| 309 | return (vmode->xres - xres) * (vmode->yres - yres); | ||
| 310 | } | ||
| 311 | |||
| 312 | static const struct fb_videomode *ps3fb_native_vmode(enum ps3av_mode_num id) | ||
| 313 | { | ||
| 314 | return &ps3fb_modedb[FIRST_NATIVE_MODE_INDEX + id - 1]; | ||
| 315 | } | ||
| 316 | |||
| 317 | static const struct fb_videomode *ps3fb_vmode(int id) | ||
| 318 | { | ||
| 319 | u32 mode = id & PS3AV_MODE_MASK; | ||
| 320 | |||
| 321 | if (mode < PS3AV_MODE_480I || mode > PS3AV_MODE_WUXGA) | ||
| 322 | return NULL; | ||
| 323 | |||
| 324 | if (mode <= PS3AV_MODE_1080P50 && !(id & PS3AV_MODE_FULL)) { | ||
| 325 | /* Non-fullscreen broadcast mode */ | ||
| 326 | return &ps3fb_modedb[mode - 1]; | ||
| 327 | } | ||
| 328 | |||
| 329 | return ps3fb_native_vmode(mode); | ||
| 330 | } | ||
| 331 | |||
| 332 | static unsigned int ps3fb_find_mode(struct fb_var_screeninfo *var, | ||
| 333 | u32 *ddr_line_length, u32 *xdr_line_length) | ||
| 334 | { | ||
| 335 | unsigned int id, best_id; | ||
| 336 | int diff, best_diff; | ||
| 337 | const struct fb_videomode *vmode; | ||
| 338 | long gap; | ||
| 339 | |||
| 340 | best_id = 0; | ||
| 341 | best_diff = INT_MAX; | ||
| 342 | pr_debug("%s: wanted %u [%u] %u x %u [%u] %u\n", __func__, | ||
| 343 | var->left_margin, var->xres, var->right_margin, | ||
| 344 | var->upper_margin, var->yres, var->lower_margin); | ||
| 345 | for (id = PS3AV_MODE_480I; id <= PS3AV_MODE_WUXGA; id++) { | ||
| 346 | vmode = ps3fb_native_vmode(id); | ||
| 347 | diff = ps3fb_cmp_mode(vmode, var); | ||
| 348 | pr_debug("%s: mode %u: %u [%u] %u x %u [%u] %u: diff = %d\n", | ||
| 349 | __func__, id, vmode->left_margin, vmode->xres, | ||
| 350 | vmode->right_margin, vmode->upper_margin, | ||
| 351 | vmode->yres, vmode->lower_margin, diff); | ||
| 352 | if (diff < 0) | ||
| 353 | continue; | ||
| 354 | if (diff < best_diff) { | ||
| 355 | best_id = id; | ||
| 356 | if (!diff) | ||
| 357 | break; | ||
| 358 | best_diff = diff; | ||
| 359 | } | ||
| 360 | } | ||
| 361 | |||
| 362 | if (!best_id) { | ||
| 363 | pr_debug("%s: no suitable mode found\n", __func__); | ||
| 364 | return 0; | ||
| 365 | } | ||
| 366 | |||
| 367 | id = best_id; | ||
| 368 | vmode = ps3fb_native_vmode(id); | ||
| 369 | |||
| 370 | *ddr_line_length = vmode->xres * BPP; | ||
| 371 | |||
| 372 | /* minimum resolution */ | ||
| 373 | if (!var->xres) | ||
| 374 | var->xres = 1; | ||
| 375 | if (!var->yres) | ||
| 376 | var->yres = 1; | ||
| 377 | |||
| 378 | /* minimum virtual resolution */ | ||
| 379 | if (var->xres_virtual < var->xres) | ||
| 380 | var->xres_virtual = var->xres; | ||
| 381 | if (var->yres_virtual < var->yres) | ||
| 382 | var->yres_virtual = var->yres; | ||
| 383 | |||
| 384 | /* minimum margins */ | ||
| 385 | if (var->left_margin < vmode->left_margin) | ||
| 386 | var->left_margin = vmode->left_margin; | ||
| 387 | if (var->right_margin < vmode->right_margin) | ||
| 388 | var->right_margin = vmode->right_margin; | ||
| 389 | if (var->upper_margin < vmode->upper_margin) | ||
| 390 | var->upper_margin = vmode->upper_margin; | ||
| 391 | if (var->lower_margin < vmode->lower_margin) | ||
| 392 | var->lower_margin = vmode->lower_margin; | ||
| 393 | |||
| 394 | /* extra margins */ | ||
| 395 | gap = ((long)vmode->left_margin + (long)vmode->xres + | ||
| 396 | (long)vmode->right_margin) - | ||
| 397 | ((long)var->left_margin + (long)var->xres + | ||
| 398 | (long)var->right_margin); | ||
| 399 | if (gap > 0) { | ||
| 400 | var->left_margin += gap/2; | ||
| 401 | var->right_margin += (gap+1)/2; | ||
| 402 | pr_debug("%s: rounded up H to %u [%u] %u\n", __func__, | ||
| 403 | var->left_margin, var->xres, var->right_margin); | ||
| 404 | } | ||
| 405 | |||
| 406 | gap = ((long)vmode->upper_margin + (long)vmode->yres + | ||
| 407 | (long)vmode->lower_margin) - | ||
| 408 | ((long)var->upper_margin + (long)var->yres + | ||
| 409 | (long)var->lower_margin); | ||
| 410 | if (gap > 0) { | ||
| 411 | var->upper_margin += gap/2; | ||
| 412 | var->lower_margin += (gap+1)/2; | ||
| 413 | pr_debug("%s: rounded up V to %u [%u] %u\n", __func__, | ||
| 414 | var->upper_margin, var->yres, var->lower_margin); | ||
| 415 | } | ||
| 416 | |||
| 417 | /* fixed fields */ | ||
| 418 | var->pixclock = vmode->pixclock; | ||
| 419 | var->hsync_len = vmode->hsync_len; | ||
| 420 | var->vsync_len = vmode->vsync_len; | ||
| 421 | var->sync = vmode->sync; | ||
| 422 | |||
| 423 | if (ps3_compare_firmware_version(1, 9, 0) >= 0) { | ||
| 424 | *xdr_line_length = GPU_ALIGN_UP(var->xres_virtual * BPP); | ||
| 425 | if (*xdr_line_length > GPU_MAX_LINE_LENGTH) | ||
| 426 | *xdr_line_length = GPU_MAX_LINE_LENGTH; | ||
| 427 | } else | ||
| 428 | *xdr_line_length = *ddr_line_length; | ||
| 429 | |||
| 430 | if (vmode->sync & FB_SYNC_BROADCAST) { | ||
| 431 | /* Full broadcast modes have the full mode bit set */ | ||
| 432 | if (vmode->xres == var->xres && vmode->yres == var->yres) | ||
| 433 | id |= PS3AV_MODE_FULL; | ||
| 434 | } | ||
| 435 | |||
| 436 | pr_debug("%s: mode %u\n", __func__, id); | ||
| 437 | return id; | ||
| 438 | } | ||
| 439 | |||
| 440 | static void ps3fb_sync_image(struct device *dev, u64 frame_offset, | ||
| 441 | u64 dst_offset, u64 src_offset, u32 width, | ||
| 442 | u32 height, u32 dst_line_length, | ||
| 443 | u32 src_line_length) | ||
| 444 | { | ||
| 445 | int status; | ||
| 446 | u64 line_length; | ||
| 447 | |||
| 448 | line_length = dst_line_length; | ||
| 449 | if (src_line_length != dst_line_length) | ||
| 450 | line_length |= (u64)src_line_length << 32; | ||
| 451 | |||
| 452 | src_offset += GPU_FB_START; | ||
| 453 | |||
| 454 | mutex_lock(&ps3_gpu_mutex); | ||
| 455 | status = lv1_gpu_fb_blit(ps3fb.context_handle, dst_offset, | ||
| 456 | GPU_IOIF + src_offset, | ||
| 457 | L1GPU_FB_BLIT_WAIT_FOR_COMPLETION | | ||
| 458 | (width << 16) | height, | ||
| 459 | line_length); | ||
| 460 | mutex_unlock(&ps3_gpu_mutex); | ||
| 461 | |||
| 462 | if (status) | ||
| 463 | dev_err(dev, "%s: lv1_gpu_fb_blit failed: %d\n", __func__, | ||
| 464 | status); | ||
| 465 | #ifdef HEAD_A | ||
| 466 | status = lv1_gpu_display_flip(ps3fb.context_handle, 0, frame_offset); | ||
| 467 | if (status) | ||
| 468 | dev_err(dev, "%s: lv1_gpu_display_flip failed: %d\n", __func__, | ||
| 469 | status); | ||
| 470 | #endif | ||
| 471 | #ifdef HEAD_B | ||
| 472 | status = lv1_gpu_display_flip(ps3fb.context_handle, 1, frame_offset); | ||
| 473 | if (status) | ||
| 474 | dev_err(dev, "%s: lv1_gpu_display_flip failed: %d\n", __func__, | ||
| 475 | status); | ||
| 476 | #endif | ||
| 477 | } | ||
| 478 | |||
| 479 | static int ps3fb_sync(struct fb_info *info, u32 frame) | ||
| 480 | { | ||
| 481 | struct ps3fb_par *par = info->par; | ||
| 482 | int error = 0; | ||
| 483 | u64 ddr_base, xdr_base; | ||
| 484 | |||
| 485 | if (frame > par->num_frames - 1) { | ||
| 486 | dev_dbg(info->device, "%s: invalid frame number (%u)\n", | ||
| 487 | __func__, frame); | ||
| 488 | error = -EINVAL; | ||
| 489 | goto out; | ||
| 490 | } | ||
| 491 | |||
| 492 | xdr_base = frame * par->xdr_frame_size; | ||
| 493 | ddr_base = frame * par->ddr_frame_size; | ||
| 494 | |||
| 495 | ps3fb_sync_image(info->device, ddr_base + par->full_offset, | ||
| 496 | ddr_base + par->fb_offset, xdr_base + par->pan_offset, | ||
| 497 | par->width, par->height, par->ddr_line_length, | ||
| 498 | info->fix.line_length); | ||
| 499 | |||
| 500 | out: | ||
| 501 | return error; | ||
| 502 | } | ||
| 503 | |||
| 504 | static int ps3fb_open(struct fb_info *info, int user) | ||
| 505 | { | ||
| 506 | atomic_inc(&ps3fb.f_count); | ||
| 507 | return 0; | ||
| 508 | } | ||
| 509 | |||
| 510 | static int ps3fb_release(struct fb_info *info, int user) | ||
| 511 | { | ||
| 512 | if (atomic_dec_and_test(&ps3fb.f_count)) { | ||
| 513 | if (atomic_read(&ps3fb.ext_flip)) { | ||
| 514 | atomic_set(&ps3fb.ext_flip, 0); | ||
| 515 | if (console_trylock()) { | ||
| 516 | ps3fb_sync(info, 0); /* single buffer */ | ||
| 517 | console_unlock(); | ||
| 518 | } | ||
| 519 | } | ||
| 520 | } | ||
| 521 | return 0; | ||
| 522 | } | ||
| 523 | |||
| 524 | /* | ||
| 525 | * Setting the video mode has been split into two parts. | ||
| 526 | * First part, xxxfb_check_var, must not write anything | ||
| 527 | * to hardware, it should only verify and adjust var. | ||
| 528 | * This means it doesn't alter par but it does use hardware | ||
| 529 | * data from it to check this var. | ||
| 530 | */ | ||
| 531 | |||
| 532 | static int ps3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) | ||
| 533 | { | ||
| 534 | u32 xdr_line_length, ddr_line_length; | ||
| 535 | int mode; | ||
| 536 | |||
| 537 | mode = ps3fb_find_mode(var, &ddr_line_length, &xdr_line_length); | ||
| 538 | if (!mode) | ||
| 539 | return -EINVAL; | ||
| 540 | |||
| 541 | /* Virtual screen */ | ||
| 542 | if (var->xres_virtual > xdr_line_length / BPP) { | ||
| 543 | dev_dbg(info->device, | ||
| 544 | "Horizontal virtual screen size too large\n"); | ||
| 545 | return -EINVAL; | ||
| 546 | } | ||
| 547 | |||
| 548 | if (var->xoffset + var->xres > var->xres_virtual || | ||
| 549 | var->yoffset + var->yres > var->yres_virtual) { | ||
| 550 | dev_dbg(info->device, "panning out-of-range\n"); | ||
| 551 | return -EINVAL; | ||
| 552 | } | ||
| 553 | |||
| 554 | /* We support ARGB8888 only */ | ||
| 555 | if (var->bits_per_pixel > 32 || var->grayscale || | ||
| 556 | var->red.offset > 16 || var->green.offset > 8 || | ||
| 557 | var->blue.offset > 0 || var->transp.offset > 24 || | ||
| 558 | var->red.length > 8 || var->green.length > 8 || | ||
| 559 | var->blue.length > 8 || var->transp.length > 8 || | ||
| 560 | var->red.msb_right || var->green.msb_right || | ||
| 561 | var->blue.msb_right || var->transp.msb_right || var->nonstd) { | ||
| 562 | dev_dbg(info->device, "We support ARGB8888 only\n"); | ||
| 563 | return -EINVAL; | ||
| 564 | } | ||
| 565 | |||
| 566 | var->bits_per_pixel = 32; | ||
| 567 | var->red.offset = 16; | ||
| 568 | var->green.offset = 8; | ||
| 569 | var->blue.offset = 0; | ||
| 570 | var->transp.offset = 24; | ||
| 571 | var->red.length = 8; | ||
| 572 | var->green.length = 8; | ||
| 573 | var->blue.length = 8; | ||
| 574 | var->transp.length = 8; | ||
| 575 | var->red.msb_right = 0; | ||
| 576 | var->green.msb_right = 0; | ||
| 577 | var->blue.msb_right = 0; | ||
| 578 | var->transp.msb_right = 0; | ||
| 579 | |||
| 580 | /* Rotation is not supported */ | ||
| 581 | if (var->rotate) { | ||
| 582 | dev_dbg(info->device, "Rotation is not supported\n"); | ||
| 583 | return -EINVAL; | ||
| 584 | } | ||
| 585 | |||
| 586 | /* Memory limit */ | ||
| 587 | if (var->yres_virtual * xdr_line_length > info->fix.smem_len) { | ||
| 588 | dev_dbg(info->device, "Not enough memory\n"); | ||
| 589 | return -ENOMEM; | ||
| 590 | } | ||
| 591 | |||
| 592 | var->height = -1; | ||
| 593 | var->width = -1; | ||
| 594 | |||
| 595 | return 0; | ||
| 596 | } | ||
| 597 | |||
| 598 | /* | ||
| 599 | * This routine actually sets the video mode. | ||
| 600 | */ | ||
| 601 | |||
| 602 | static int ps3fb_set_par(struct fb_info *info) | ||
| 603 | { | ||
| 604 | struct ps3fb_par *par = info->par; | ||
| 605 | unsigned int mode, ddr_line_length, xdr_line_length, lines, maxlines; | ||
| 606 | unsigned int ddr_xoff, ddr_yoff, offset; | ||
| 607 | const struct fb_videomode *vmode; | ||
| 608 | u64 dst; | ||
| 609 | |||
| 610 | mode = ps3fb_find_mode(&info->var, &ddr_line_length, &xdr_line_length); | ||
| 611 | if (!mode) | ||
| 612 | return -EINVAL; | ||
| 613 | |||
| 614 | vmode = ps3fb_native_vmode(mode & PS3AV_MODE_MASK); | ||
| 615 | |||
| 616 | info->fix.xpanstep = info->var.xres_virtual > info->var.xres ? 1 : 0; | ||
| 617 | info->fix.ypanstep = info->var.yres_virtual > info->var.yres ? 1 : 0; | ||
| 618 | info->fix.line_length = xdr_line_length; | ||
| 619 | |||
| 620 | par->ddr_line_length = ddr_line_length; | ||
| 621 | par->ddr_frame_size = vmode->yres * ddr_line_length; | ||
| 622 | par->xdr_frame_size = info->var.yres_virtual * xdr_line_length; | ||
| 623 | |||
| 624 | par->num_frames = info->fix.smem_len / | ||
| 625 | max(par->ddr_frame_size, par->xdr_frame_size); | ||
| 626 | |||
| 627 | /* Keep the special bits we cannot set using fb_var_screeninfo */ | ||
| 628 | par->new_mode_id = (par->new_mode_id & ~PS3AV_MODE_MASK) | mode; | ||
| 629 | |||
| 630 | par->width = info->var.xres; | ||
| 631 | par->height = info->var.yres; | ||
| 632 | |||
| 633 | /* Start of the virtual frame buffer (relative to fullscreen) */ | ||
| 634 | ddr_xoff = info->var.left_margin - vmode->left_margin; | ||
| 635 | ddr_yoff = info->var.upper_margin - vmode->upper_margin; | ||
| 636 | offset = ddr_yoff * ddr_line_length + ddr_xoff * BPP; | ||
| 637 | |||
| 638 | par->fb_offset = GPU_ALIGN_UP(offset); | ||
| 639 | par->full_offset = par->fb_offset - offset; | ||
| 640 | par->pan_offset = info->var.yoffset * xdr_line_length + | ||
| 641 | info->var.xoffset * BPP; | ||
| 642 | |||
| 643 | if (par->new_mode_id != par->mode_id) { | ||
| 644 | if (ps3av_set_video_mode(par->new_mode_id)) { | ||
| 645 | par->new_mode_id = par->mode_id; | ||
| 646 | return -EINVAL; | ||
| 647 | } | ||
| 648 | par->mode_id = par->new_mode_id; | ||
| 649 | } | ||
| 650 | |||
| 651 | /* Clear XDR frame buffer memory */ | ||
| 652 | memset((void __force *)info->screen_base, 0, info->fix.smem_len); | ||
| 653 | |||
| 654 | /* Clear DDR frame buffer memory */ | ||
| 655 | lines = vmode->yres * par->num_frames; | ||
| 656 | if (par->full_offset) | ||
| 657 | lines++; | ||
| 658 | maxlines = info->fix.smem_len / ddr_line_length; | ||
| 659 | for (dst = 0; lines; dst += maxlines * ddr_line_length) { | ||
| 660 | unsigned int l = min(lines, maxlines); | ||
| 661 | ps3fb_sync_image(info->device, 0, dst, 0, vmode->xres, l, | ||
| 662 | ddr_line_length, ddr_line_length); | ||
| 663 | lines -= l; | ||
| 664 | } | ||
| 665 | |||
| 666 | return 0; | ||
| 667 | } | ||
| 668 | |||
| 669 | /* | ||
| 670 | * Set a single color register. The values supplied are already | ||
| 671 | * rounded down to the hardware's capabilities (according to the | ||
| 672 | * entries in the var structure). Return != 0 for invalid regno. | ||
| 673 | */ | ||
| 674 | |||
| 675 | static int ps3fb_setcolreg(unsigned int regno, unsigned int red, | ||
| 676 | unsigned int green, unsigned int blue, | ||
| 677 | unsigned int transp, struct fb_info *info) | ||
| 678 | { | ||
| 679 | if (regno >= 16) | ||
| 680 | return 1; | ||
| 681 | |||
| 682 | red >>= 8; | ||
| 683 | green >>= 8; | ||
| 684 | blue >>= 8; | ||
| 685 | transp >>= 8; | ||
| 686 | |||
| 687 | ((u32 *)info->pseudo_palette)[regno] = transp << 24 | red << 16 | | ||
| 688 | green << 8 | blue; | ||
| 689 | return 0; | ||
| 690 | } | ||
| 691 | |||
| 692 | static int ps3fb_pan_display(struct fb_var_screeninfo *var, | ||
| 693 | struct fb_info *info) | ||
| 694 | { | ||
| 695 | struct ps3fb_par *par = info->par; | ||
| 696 | |||
| 697 | par->pan_offset = var->yoffset * info->fix.line_length + | ||
| 698 | var->xoffset * BPP; | ||
| 699 | return 0; | ||
| 700 | } | ||
| 701 | |||
| 702 | /* | ||
| 703 | * As we have a virtual frame buffer, we need our own mmap function | ||
| 704 | */ | ||
| 705 | |||
| 706 | static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma) | ||
| 707 | { | ||
| 708 | int r; | ||
| 709 | |||
| 710 | r = vm_iomap_memory(vma, info->fix.smem_start, info->fix.smem_len); | ||
| 711 | |||
| 712 | dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n", | ||
| 713 | info->fix.smem_start + (vma->vm_pgoff << PAGE_SHIFT), | ||
| 714 | vma->vm_start); | ||
| 715 | |||
| 716 | return r; | ||
| 717 | } | ||
| 718 | |||
| 719 | /* | ||
| 720 | * Blank the display | ||
| 721 | */ | ||
| 722 | |||
| 723 | static int ps3fb_blank(int blank, struct fb_info *info) | ||
| 724 | { | ||
| 725 | int retval; | ||
| 726 | |||
| 727 | dev_dbg(info->device, "%s: blank:%d\n", __func__, blank); | ||
| 728 | switch (blank) { | ||
| 729 | case FB_BLANK_POWERDOWN: | ||
| 730 | case FB_BLANK_HSYNC_SUSPEND: | ||
| 731 | case FB_BLANK_VSYNC_SUSPEND: | ||
| 732 | case FB_BLANK_NORMAL: | ||
| 733 | retval = ps3av_video_mute(1); /* mute on */ | ||
| 734 | if (!retval) | ||
| 735 | ps3fb.is_blanked = 1; | ||
| 736 | break; | ||
| 737 | |||
| 738 | default: /* unblank */ | ||
| 739 | retval = ps3av_video_mute(0); /* mute off */ | ||
| 740 | if (!retval) | ||
| 741 | ps3fb.is_blanked = 0; | ||
| 742 | break; | ||
| 743 | } | ||
| 744 | return retval; | ||
| 745 | } | ||
| 746 | |||
| 747 | static int ps3fb_get_vblank(struct fb_vblank *vblank) | ||
| 748 | { | ||
| 749 | memset(vblank, 0, sizeof(*vblank)); | ||
| 750 | vblank->flags = FB_VBLANK_HAVE_VSYNC; | ||
| 751 | return 0; | ||
| 752 | } | ||
| 753 | |||
| 754 | static int ps3fb_wait_for_vsync(u32 crtc) | ||
| 755 | { | ||
| 756 | int ret; | ||
| 757 | u64 count; | ||
| 758 | |||
| 759 | count = ps3fb.vblank_count; | ||
| 760 | ret = wait_event_interruptible_timeout(ps3fb.wait_vsync, | ||
| 761 | count != ps3fb.vblank_count, | ||
| 762 | HZ / 10); | ||
| 763 | if (!ret) | ||
| 764 | return -ETIMEDOUT; | ||
| 765 | |||
| 766 | return 0; | ||
| 767 | } | ||
| 768 | |||
| 769 | |||
| 770 | /* | ||
| 771 | * ioctl | ||
| 772 | */ | ||
| 773 | |||
| 774 | static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd, | ||
| 775 | unsigned long arg) | ||
| 776 | { | ||
| 777 | void __user *argp = (void __user *)arg; | ||
| 778 | u32 val; | ||
| 779 | int retval = -EFAULT; | ||
| 780 | |||
| 781 | switch (cmd) { | ||
| 782 | case FBIOGET_VBLANK: | ||
| 783 | { | ||
| 784 | struct fb_vblank vblank; | ||
| 785 | dev_dbg(info->device, "FBIOGET_VBLANK:\n"); | ||
| 786 | retval = ps3fb_get_vblank(&vblank); | ||
| 787 | if (retval) | ||
| 788 | break; | ||
| 789 | |||
| 790 | if (copy_to_user(argp, &vblank, sizeof(vblank))) | ||
| 791 | retval = -EFAULT; | ||
| 792 | break; | ||
| 793 | } | ||
| 794 | |||
| 795 | case FBIO_WAITFORVSYNC: | ||
| 796 | { | ||
| 797 | u32 crt; | ||
| 798 | dev_dbg(info->device, "FBIO_WAITFORVSYNC:\n"); | ||
| 799 | if (get_user(crt, (u32 __user *) arg)) | ||
| 800 | break; | ||
| 801 | |||
| 802 | retval = ps3fb_wait_for_vsync(crt); | ||
| 803 | break; | ||
| 804 | } | ||
| 805 | |||
| 806 | case PS3FB_IOCTL_SETMODE: | ||
| 807 | { | ||
| 808 | struct ps3fb_par *par = info->par; | ||
| 809 | const struct fb_videomode *vmode; | ||
| 810 | struct fb_var_screeninfo var; | ||
| 811 | |||
| 812 | if (copy_from_user(&val, argp, sizeof(val))) | ||
| 813 | break; | ||
| 814 | |||
| 815 | if (!(val & PS3AV_MODE_MASK)) { | ||
| 816 | u32 id = ps3av_get_auto_mode(); | ||
| 817 | if (id > 0) | ||
| 818 | val = (val & ~PS3AV_MODE_MASK) | id; | ||
| 819 | } | ||
| 820 | dev_dbg(info->device, "PS3FB_IOCTL_SETMODE:%x\n", val); | ||
| 821 | retval = -EINVAL; | ||
| 822 | vmode = ps3fb_vmode(val); | ||
| 823 | if (vmode) { | ||
| 824 | var = info->var; | ||
| 825 | fb_videomode_to_var(&var, vmode); | ||
| 826 | console_lock(); | ||
| 827 | info->flags |= FBINFO_MISC_USEREVENT; | ||
| 828 | /* Force, in case only special bits changed */ | ||
| 829 | var.activate |= FB_ACTIVATE_FORCE; | ||
| 830 | par->new_mode_id = val; | ||
| 831 | retval = fb_set_var(info, &var); | ||
| 832 | info->flags &= ~FBINFO_MISC_USEREVENT; | ||
| 833 | console_unlock(); | ||
| 834 | } | ||
| 835 | break; | ||
| 836 | } | ||
| 837 | |||
| 838 | case PS3FB_IOCTL_GETMODE: | ||
| 839 | val = ps3av_get_mode(); | ||
| 840 | dev_dbg(info->device, "PS3FB_IOCTL_GETMODE:%x\n", val); | ||
| 841 | if (!copy_to_user(argp, &val, sizeof(val))) | ||
| 842 | retval = 0; | ||
| 843 | break; | ||
| 844 | |||
| 845 | case PS3FB_IOCTL_SCREENINFO: | ||
| 846 | { | ||
| 847 | struct ps3fb_par *par = info->par; | ||
| 848 | struct ps3fb_ioctl_res res; | ||
| 849 | dev_dbg(info->device, "PS3FB_IOCTL_SCREENINFO:\n"); | ||
| 850 | res.xres = info->fix.line_length / BPP; | ||
| 851 | res.yres = info->var.yres_virtual; | ||
| 852 | res.xoff = (res.xres - info->var.xres) / 2; | ||
| 853 | res.yoff = (res.yres - info->var.yres) / 2; | ||
| 854 | res.num_frames = par->num_frames; | ||
| 855 | if (!copy_to_user(argp, &res, sizeof(res))) | ||
| 856 | retval = 0; | ||
| 857 | break; | ||
| 858 | } | ||
| 859 | |||
| 860 | case PS3FB_IOCTL_ON: | ||
| 861 | dev_dbg(info->device, "PS3FB_IOCTL_ON:\n"); | ||
| 862 | atomic_inc(&ps3fb.ext_flip); | ||
| 863 | retval = 0; | ||
| 864 | break; | ||
| 865 | |||
| 866 | case PS3FB_IOCTL_OFF: | ||
| 867 | dev_dbg(info->device, "PS3FB_IOCTL_OFF:\n"); | ||
| 868 | atomic_dec_if_positive(&ps3fb.ext_flip); | ||
| 869 | retval = 0; | ||
| 870 | break; | ||
| 871 | |||
| 872 | case PS3FB_IOCTL_FSEL: | ||
| 873 | if (copy_from_user(&val, argp, sizeof(val))) | ||
| 874 | break; | ||
| 875 | |||
| 876 | dev_dbg(info->device, "PS3FB_IOCTL_FSEL:%d\n", val); | ||
| 877 | console_lock(); | ||
| 878 | retval = ps3fb_sync(info, val); | ||
| 879 | console_unlock(); | ||
| 880 | break; | ||
| 881 | |||
| 882 | default: | ||
| 883 | retval = -ENOIOCTLCMD; | ||
| 884 | break; | ||
| 885 | } | ||
| 886 | return retval; | ||
| 887 | } | ||
| 888 | |||
| 889 | static int ps3fbd(void *arg) | ||
| 890 | { | ||
| 891 | struct fb_info *info = arg; | ||
| 892 | |||
| 893 | set_freezable(); | ||
| 894 | while (!kthread_should_stop()) { | ||
| 895 | try_to_freeze(); | ||
| 896 | set_current_state(TASK_INTERRUPTIBLE); | ||
| 897 | if (ps3fb.is_kicked) { | ||
| 898 | ps3fb.is_kicked = 0; | ||
| 899 | console_lock(); | ||
| 900 | ps3fb_sync(info, 0); /* single buffer */ | ||
| 901 | console_unlock(); | ||
| 902 | } | ||
| 903 | schedule(); | ||
| 904 | } | ||
| 905 | return 0; | ||
| 906 | } | ||
| 907 | |||
| 908 | static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr) | ||
| 909 | { | ||
| 910 | struct device *dev = ptr; | ||
| 911 | u64 v1; | ||
| 912 | int status; | ||
| 913 | struct display_head *head = &ps3fb.dinfo->display_head[1]; | ||
| 914 | |||
| 915 | status = lv1_gpu_context_intr(ps3fb.context_handle, &v1); | ||
| 916 | if (status) { | ||
| 917 | dev_err(dev, "%s: lv1_gpu_context_intr failed: %d\n", __func__, | ||
| 918 | status); | ||
| 919 | return IRQ_NONE; | ||
| 920 | } | ||
| 921 | |||
| 922 | if (v1 & (1 << GPU_INTR_STATUS_VSYNC_1)) { | ||
| 923 | /* VSYNC */ | ||
| 924 | ps3fb.vblank_count = head->vblank_count; | ||
| 925 | if (ps3fb.task && !ps3fb.is_blanked && | ||
| 926 | !atomic_read(&ps3fb.ext_flip)) { | ||
| 927 | ps3fb.is_kicked = 1; | ||
| 928 | wake_up_process(ps3fb.task); | ||
| 929 | } | ||
| 930 | wake_up_interruptible(&ps3fb.wait_vsync); | ||
| 931 | } | ||
| 932 | |||
| 933 | return IRQ_HANDLED; | ||
| 934 | } | ||
| 935 | |||
| 936 | |||
| 937 | static struct fb_ops ps3fb_ops = { | ||
| 938 | .fb_open = ps3fb_open, | ||
| 939 | .fb_release = ps3fb_release, | ||
| 940 | .fb_read = fb_sys_read, | ||
| 941 | .fb_write = fb_sys_write, | ||
| 942 | .fb_check_var = ps3fb_check_var, | ||
| 943 | .fb_set_par = ps3fb_set_par, | ||
| 944 | .fb_setcolreg = ps3fb_setcolreg, | ||
| 945 | .fb_pan_display = ps3fb_pan_display, | ||
| 946 | .fb_fillrect = sys_fillrect, | ||
| 947 | .fb_copyarea = sys_copyarea, | ||
| 948 | .fb_imageblit = sys_imageblit, | ||
| 949 | .fb_mmap = ps3fb_mmap, | ||
| 950 | .fb_blank = ps3fb_blank, | ||
| 951 | .fb_ioctl = ps3fb_ioctl, | ||
| 952 | .fb_compat_ioctl = ps3fb_ioctl | ||
| 953 | }; | ||
| 954 | |||
| 955 | static struct fb_fix_screeninfo ps3fb_fix = { | ||
| 956 | .id = DEVICE_NAME, | ||
| 957 | .type = FB_TYPE_PACKED_PIXELS, | ||
| 958 | .visual = FB_VISUAL_TRUECOLOR, | ||
| 959 | .accel = FB_ACCEL_NONE, | ||
| 960 | }; | ||
| 961 | |||
| 962 | static int ps3fb_probe(struct ps3_system_bus_device *dev) | ||
| 963 | { | ||
| 964 | struct fb_info *info; | ||
| 965 | struct ps3fb_par *par; | ||
| 966 | int retval; | ||
| 967 | u64 ddr_lpar = 0; | ||
| 968 | u64 lpar_dma_control = 0; | ||
| 969 | u64 lpar_driver_info = 0; | ||
| 970 | u64 lpar_reports = 0; | ||
| 971 | u64 lpar_reports_size = 0; | ||
| 972 | u64 xdr_lpar; | ||
| 973 | struct gpu_driver_info *dinfo; | ||
| 974 | void *fb_start; | ||
| 975 | int status; | ||
| 976 | struct task_struct *task; | ||
| 977 | unsigned long max_ps3fb_size; | ||
| 978 | |||
| 979 | if (ps3fb_videomemory.size < GPU_CMD_BUF_SIZE) { | ||
| 980 | dev_err(&dev->core, "%s: Not enough video memory\n", __func__); | ||
| 981 | return -ENOMEM; | ||
| 982 | } | ||
| 983 | |||
| 984 | retval = ps3_open_hv_device(dev); | ||
| 985 | if (retval) { | ||
| 986 | dev_err(&dev->core, "%s: ps3_open_hv_device failed\n", | ||
| 987 | __func__); | ||
| 988 | goto err; | ||
| 989 | } | ||
| 990 | |||
| 991 | if (!ps3fb_mode) | ||
| 992 | ps3fb_mode = ps3av_get_mode(); | ||
| 993 | dev_dbg(&dev->core, "ps3fb_mode: %d\n", ps3fb_mode); | ||
| 994 | |||
| 995 | atomic_set(&ps3fb.f_count, -1); /* fbcon opens ps3fb */ | ||
| 996 | atomic_set(&ps3fb.ext_flip, 0); /* for flip with vsync */ | ||
| 997 | init_waitqueue_head(&ps3fb.wait_vsync); | ||
| 998 | |||
| 999 | #ifdef HEAD_A | ||
| 1000 | status = lv1_gpu_display_sync(0x0, 0, L1GPU_DISPLAY_SYNC_VSYNC); | ||
| 1001 | if (status) { | ||
| 1002 | dev_err(&dev->core, "%s: lv1_gpu_display_sync failed: %d\n", | ||
| 1003 | __func__, status); | ||
| 1004 | retval = -ENODEV; | ||
| 1005 | goto err_close_device; | ||
| 1006 | } | ||
| 1007 | #endif | ||
| 1008 | #ifdef HEAD_B | ||
| 1009 | status = lv1_gpu_display_sync(0x0, 1, L1GPU_DISPLAY_SYNC_VSYNC); | ||
| 1010 | if (status) { | ||
| 1011 | dev_err(&dev->core, "%s: lv1_gpu_display_sync failed: %d\n", | ||
| 1012 | __func__, status); | ||
| 1013 | retval = -ENODEV; | ||
| 1014 | goto err_close_device; | ||
| 1015 | } | ||
| 1016 | #endif | ||
| 1017 | |||
| 1018 | max_ps3fb_size = _ALIGN_UP(GPU_IOIF, 256*1024*1024) - GPU_IOIF; | ||
| 1019 | if (ps3fb_videomemory.size > max_ps3fb_size) { | ||
| 1020 | dev_info(&dev->core, "Limiting ps3fb mem size to %lu bytes\n", | ||
| 1021 | max_ps3fb_size); | ||
| 1022 | ps3fb_videomemory.size = max_ps3fb_size; | ||
| 1023 | } | ||
| 1024 | |||
| 1025 | /* get gpu context handle */ | ||
| 1026 | status = lv1_gpu_memory_allocate(ps3fb_videomemory.size, 0, 0, 0, 0, | ||
| 1027 | &ps3fb.memory_handle, &ddr_lpar); | ||
| 1028 | if (status) { | ||
| 1029 | dev_err(&dev->core, "%s: lv1_gpu_memory_allocate failed: %d\n", | ||
| 1030 | __func__, status); | ||
| 1031 | retval = -ENOMEM; | ||
| 1032 | goto err_close_device; | ||
| 1033 | } | ||
| 1034 | dev_dbg(&dev->core, "ddr:lpar:0x%llx\n", ddr_lpar); | ||
| 1035 | |||
| 1036 | status = lv1_gpu_context_allocate(ps3fb.memory_handle, 0, | ||
| 1037 | &ps3fb.context_handle, | ||
| 1038 | &lpar_dma_control, &lpar_driver_info, | ||
| 1039 | &lpar_reports, &lpar_reports_size); | ||
| 1040 | if (status) { | ||
| 1041 | dev_err(&dev->core, | ||
| 1042 | "%s: lv1_gpu_context_allocate failed: %d\n", __func__, | ||
| 1043 | status); | ||
| 1044 | retval = -ENOMEM; | ||
| 1045 | goto err_gpu_memory_free; | ||
| 1046 | } | ||
| 1047 | |||
| 1048 | /* vsync interrupt */ | ||
| 1049 | dinfo = (void __force *)ioremap(lpar_driver_info, 128 * 1024); | ||
| 1050 | if (!dinfo) { | ||
| 1051 | dev_err(&dev->core, "%s: ioremap failed\n", __func__); | ||
| 1052 | retval = -ENOMEM; | ||
| 1053 | goto err_gpu_context_free; | ||
| 1054 | } | ||
| 1055 | |||
| 1056 | ps3fb.dinfo = dinfo; | ||
| 1057 | dev_dbg(&dev->core, "version_driver:%x\n", dinfo->version_driver); | ||
| 1058 | dev_dbg(&dev->core, "irq outlet:%x\n", dinfo->irq.irq_outlet); | ||
| 1059 | dev_dbg(&dev->core, "version_gpu: %x memory_size: %x ch: %x " | ||
| 1060 | "core_freq: %d mem_freq:%d\n", dinfo->version_gpu, | ||
| 1061 | dinfo->memory_size, dinfo->hardware_channel, | ||
| 1062 | dinfo->nvcore_frequency/1000000, | ||
| 1063 | dinfo->memory_frequency/1000000); | ||
| 1064 | |||
| 1065 | if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) { | ||
| 1066 | dev_err(&dev->core, "%s: version_driver err:%x\n", __func__, | ||
| 1067 | dinfo->version_driver); | ||
| 1068 | retval = -EINVAL; | ||
| 1069 | goto err_iounmap_dinfo; | ||
| 1070 | } | ||
| 1071 | |||
| 1072 | retval = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet, | ||
| 1073 | &ps3fb.irq_no); | ||
| 1074 | if (retval) { | ||
| 1075 | dev_err(&dev->core, "%s: ps3_alloc_irq failed %d\n", __func__, | ||
| 1076 | retval); | ||
| 1077 | goto err_iounmap_dinfo; | ||
| 1078 | } | ||
| 1079 | |||
| 1080 | retval = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, | ||
| 1081 | 0, DEVICE_NAME, &dev->core); | ||
| 1082 | if (retval) { | ||
| 1083 | dev_err(&dev->core, "%s: request_irq failed %d\n", __func__, | ||
| 1084 | retval); | ||
| 1085 | goto err_destroy_plug; | ||
| 1086 | } | ||
| 1087 | |||
| 1088 | dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) | | ||
| 1089 | (1 << GPU_INTR_STATUS_FLIP_1); | ||
| 1090 | |||
| 1091 | /* Clear memory to prevent kernel info leakage into userspace */ | ||
| 1092 | memset(ps3fb_videomemory.address, 0, ps3fb_videomemory.size); | ||
| 1093 | |||
| 1094 | xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb_videomemory.address)); | ||
| 1095 | |||
| 1096 | status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, | ||
| 1097 | xdr_lpar, ps3fb_videomemory.size, | ||
| 1098 | CBE_IOPTE_PP_W | CBE_IOPTE_PP_R | | ||
| 1099 | CBE_IOPTE_M); | ||
| 1100 | if (status) { | ||
| 1101 | dev_err(&dev->core, "%s: lv1_gpu_context_iomap failed: %d\n", | ||
| 1102 | __func__, status); | ||
| 1103 | retval = -ENXIO; | ||
| 1104 | goto err_free_irq; | ||
| 1105 | } | ||
| 1106 | |||
| 1107 | dev_dbg(&dev->core, "video:%p ioif:%lx lpar:%llx size:%lx\n", | ||
| 1108 | ps3fb_videomemory.address, GPU_IOIF, xdr_lpar, | ||
| 1109 | ps3fb_videomemory.size); | ||
| 1110 | |||
| 1111 | status = lv1_gpu_fb_setup(ps3fb.context_handle, xdr_lpar, | ||
| 1112 | GPU_CMD_BUF_SIZE, GPU_IOIF); | ||
| 1113 | if (status) { | ||
| 1114 | dev_err(&dev->core, "%s: lv1_gpu_fb_setup failed: %d\n", | ||
| 1115 | __func__, status); | ||
| 1116 | retval = -ENXIO; | ||
| 1117 | goto err_context_unmap; | ||
| 1118 | } | ||
| 1119 | |||
| 1120 | info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core); | ||
| 1121 | if (!info) { | ||
| 1122 | retval = -ENOMEM; | ||
| 1123 | goto err_context_fb_close; | ||
| 1124 | } | ||
| 1125 | |||
| 1126 | par = info->par; | ||
| 1127 | par->mode_id = ~ps3fb_mode; /* != ps3fb_mode, to trigger change */ | ||
| 1128 | par->new_mode_id = ps3fb_mode; | ||
| 1129 | par->num_frames = 1; | ||
| 1130 | |||
| 1131 | info->fbops = &ps3fb_ops; | ||
| 1132 | info->fix = ps3fb_fix; | ||
| 1133 | |||
| 1134 | /* | ||
| 1135 | * The GPU command buffer is at the start of video memory | ||
| 1136 | * As we don't use the full command buffer, we can put the actual | ||
| 1137 | * frame buffer at offset GPU_FB_START and save some precious XDR | ||
| 1138 | * memory | ||
| 1139 | */ | ||
| 1140 | fb_start = ps3fb_videomemory.address + GPU_FB_START; | ||
| 1141 | info->screen_base = (char __force __iomem *)fb_start; | ||
| 1142 | info->fix.smem_start = __pa(fb_start); | ||
| 1143 | info->fix.smem_len = ps3fb_videomemory.size - GPU_FB_START; | ||
| 1144 | |||
| 1145 | info->pseudo_palette = par->pseudo_palette; | ||
| 1146 | info->flags = FBINFO_DEFAULT | FBINFO_READS_FAST | | ||
| 1147 | FBINFO_HWACCEL_XPAN | FBINFO_HWACCEL_YPAN; | ||
| 1148 | |||
| 1149 | retval = fb_alloc_cmap(&info->cmap, 256, 0); | ||
| 1150 | if (retval < 0) | ||
| 1151 | goto err_framebuffer_release; | ||
| 1152 | |||
| 1153 | if (!fb_find_mode(&info->var, info, mode_option, ps3fb_modedb, | ||
| 1154 | ARRAY_SIZE(ps3fb_modedb), | ||
| 1155 | ps3fb_vmode(par->new_mode_id), 32)) { | ||
| 1156 | retval = -EINVAL; | ||
| 1157 | goto err_fb_dealloc; | ||
| 1158 | } | ||
| 1159 | |||
| 1160 | fb_videomode_to_modelist(ps3fb_modedb, ARRAY_SIZE(ps3fb_modedb), | ||
| 1161 | &info->modelist); | ||
| 1162 | |||
| 1163 | retval = register_framebuffer(info); | ||
| 1164 | if (retval < 0) | ||
| 1165 | goto err_fb_dealloc; | ||
| 1166 | |||
| 1167 | ps3_system_bus_set_drvdata(dev, info); | ||
| 1168 | |||
| 1169 | dev_info(info->device, "%s %s, using %u KiB of video memory\n", | ||
| 1170 | dev_driver_string(info->dev), dev_name(info->dev), | ||
| 1171 | info->fix.smem_len >> 10); | ||
| 1172 | |||
| 1173 | task = kthread_run(ps3fbd, info, DEVICE_NAME); | ||
| 1174 | if (IS_ERR(task)) { | ||
| 1175 | retval = PTR_ERR(task); | ||
| 1176 | goto err_unregister_framebuffer; | ||
| 1177 | } | ||
| 1178 | |||
| 1179 | ps3fb.task = task; | ||
| 1180 | |||
| 1181 | return 0; | ||
| 1182 | |||
| 1183 | err_unregister_framebuffer: | ||
| 1184 | unregister_framebuffer(info); | ||
| 1185 | err_fb_dealloc: | ||
| 1186 | fb_dealloc_cmap(&info->cmap); | ||
| 1187 | err_framebuffer_release: | ||
| 1188 | framebuffer_release(info); | ||
| 1189 | err_context_fb_close: | ||
| 1190 | lv1_gpu_fb_close(ps3fb.context_handle); | ||
| 1191 | err_context_unmap: | ||
| 1192 | lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, xdr_lpar, | ||
| 1193 | ps3fb_videomemory.size, CBE_IOPTE_M); | ||
| 1194 | err_free_irq: | ||
| 1195 | free_irq(ps3fb.irq_no, &dev->core); | ||
| 1196 | err_destroy_plug: | ||
| 1197 | ps3_irq_plug_destroy(ps3fb.irq_no); | ||
| 1198 | err_iounmap_dinfo: | ||
| 1199 | iounmap((u8 __force __iomem *)ps3fb.dinfo); | ||
| 1200 | err_gpu_context_free: | ||
| 1201 | lv1_gpu_context_free(ps3fb.context_handle); | ||
| 1202 | err_gpu_memory_free: | ||
| 1203 | lv1_gpu_memory_free(ps3fb.memory_handle); | ||
| 1204 | err_close_device: | ||
| 1205 | ps3_close_hv_device(dev); | ||
| 1206 | err: | ||
| 1207 | return retval; | ||
| 1208 | } | ||
| 1209 | |||
| 1210 | static int ps3fb_shutdown(struct ps3_system_bus_device *dev) | ||
| 1211 | { | ||
| 1212 | struct fb_info *info = ps3_system_bus_get_drvdata(dev); | ||
| 1213 | u64 xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb_videomemory.address)); | ||
| 1214 | |||
| 1215 | dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__); | ||
| 1216 | |||
| 1217 | atomic_inc(&ps3fb.ext_flip); /* flip off */ | ||
| 1218 | ps3fb.dinfo->irq.mask = 0; | ||
| 1219 | |||
| 1220 | if (ps3fb.task) { | ||
| 1221 | struct task_struct *task = ps3fb.task; | ||
| 1222 | ps3fb.task = NULL; | ||
| 1223 | kthread_stop(task); | ||
| 1224 | } | ||
| 1225 | if (ps3fb.irq_no) { | ||
| 1226 | free_irq(ps3fb.irq_no, &dev->core); | ||
| 1227 | ps3_irq_plug_destroy(ps3fb.irq_no); | ||
| 1228 | } | ||
| 1229 | if (info) { | ||
| 1230 | unregister_framebuffer(info); | ||
| 1231 | fb_dealloc_cmap(&info->cmap); | ||
| 1232 | framebuffer_release(info); | ||
| 1233 | ps3_system_bus_set_drvdata(dev, NULL); | ||
| 1234 | } | ||
| 1235 | iounmap((u8 __force __iomem *)ps3fb.dinfo); | ||
| 1236 | lv1_gpu_fb_close(ps3fb.context_handle); | ||
| 1237 | lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, xdr_lpar, | ||
| 1238 | ps3fb_videomemory.size, CBE_IOPTE_M); | ||
| 1239 | lv1_gpu_context_free(ps3fb.context_handle); | ||
| 1240 | lv1_gpu_memory_free(ps3fb.memory_handle); | ||
| 1241 | ps3_close_hv_device(dev); | ||
| 1242 | dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__); | ||
| 1243 | |||
| 1244 | return 0; | ||
| 1245 | } | ||
| 1246 | |||
| 1247 | static struct ps3_system_bus_driver ps3fb_driver = { | ||
| 1248 | .match_id = PS3_MATCH_ID_GPU, | ||
| 1249 | .match_sub_id = PS3_MATCH_SUB_ID_GPU_FB, | ||
| 1250 | .core.name = DEVICE_NAME, | ||
| 1251 | .core.owner = THIS_MODULE, | ||
| 1252 | .probe = ps3fb_probe, | ||
| 1253 | .remove = ps3fb_shutdown, | ||
| 1254 | .shutdown = ps3fb_shutdown, | ||
| 1255 | }; | ||
| 1256 | |||
| 1257 | static int __init ps3fb_setup(void) | ||
| 1258 | { | ||
| 1259 | char *options; | ||
| 1260 | |||
| 1261 | #ifdef MODULE | ||
| 1262 | return 0; | ||
| 1263 | #endif | ||
| 1264 | |||
| 1265 | if (fb_get_options(DEVICE_NAME, &options)) | ||
| 1266 | return -ENXIO; | ||
| 1267 | |||
| 1268 | if (!options || !*options) | ||
| 1269 | return 0; | ||
| 1270 | |||
| 1271 | while (1) { | ||
| 1272 | char *this_opt = strsep(&options, ","); | ||
| 1273 | |||
| 1274 | if (!this_opt) | ||
| 1275 | break; | ||
| 1276 | if (!*this_opt) | ||
| 1277 | continue; | ||
| 1278 | if (!strncmp(this_opt, "mode:", 5)) | ||
| 1279 | ps3fb_mode = simple_strtoul(this_opt + 5, NULL, 0); | ||
| 1280 | else | ||
| 1281 | mode_option = this_opt; | ||
| 1282 | } | ||
| 1283 | return 0; | ||
| 1284 | } | ||
| 1285 | |||
| 1286 | static int __init ps3fb_init(void) | ||
| 1287 | { | ||
| 1288 | if (!ps3fb_videomemory.address || ps3fb_setup()) | ||
| 1289 | return -ENXIO; | ||
| 1290 | |||
| 1291 | return ps3_system_bus_driver_register(&ps3fb_driver); | ||
| 1292 | } | ||
| 1293 | |||
| 1294 | static void __exit ps3fb_exit(void) | ||
| 1295 | { | ||
| 1296 | pr_debug(" -> %s:%d\n", __func__, __LINE__); | ||
| 1297 | ps3_system_bus_driver_unregister(&ps3fb_driver); | ||
| 1298 | pr_debug(" <- %s:%d\n", __func__, __LINE__); | ||
| 1299 | } | ||
| 1300 | |||
| 1301 | module_init(ps3fb_init); | ||
| 1302 | module_exit(ps3fb_exit); | ||
| 1303 | |||
| 1304 | MODULE_LICENSE("GPL"); | ||
| 1305 | MODULE_DESCRIPTION("PS3 GPU Frame Buffer Driver"); | ||
| 1306 | MODULE_AUTHOR("Sony Computer Entertainment Inc."); | ||
| 1307 | MODULE_ALIAS(PS3_MODULE_ALIAS_GPU_FB); | ||
