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| 1 /* linux/drivers/media/video/samsung/tv20/s5p_stda_grp.c |
| 2 * |
| 3 * Copyright (c) 2010 Samsung Electronics Co., Ltd. |
| 4 * http://www.samsung.com/ |
| 5 * |
| 6 * S5PV210 - Graphic Layer ftn. file for Samsung TVOut driver |
| 7 * |
| 8 * This program is free software; you can redistribute it and/or modify |
| 9 * it under the terms of the GNU General Public License version 2 as |
| 10 * published by the Free Software Foundation. |
| 11 */ |
| 12 |
| 13 #include <linux/module.h> |
| 14 #include <linux/kernel.h> |
| 15 #include <linux/stddef.h> |
| 16 #include <linux/ioctl.h> |
| 17 #include <linux/dma-mapping.h> |
| 18 |
| 19 #include <linux/io.h> |
| 20 #include <linux/uaccess.h> |
| 21 |
| 22 #include "s5p_tv.h" |
| 23 |
| 24 #ifdef CONFIG_TVOUT_DBG |
| 25 #define S5P_GRP_DEBUG 1 |
| 26 #endif |
| 27 |
| 28 #ifdef S5P_GRP_DEBUG |
| 29 #define GRPPRINTK(fmt, args...) \ |
| 30 printk(KERN_INFO "\t[STDA_GRP] %s: " fmt, __func__ , ## args) |
| 31 #else |
| 32 #define GRPPRINTK(fmt, args...) |
| 33 #endif |
| 34 |
| 35 bool tv_grp_start(enum s5p_tv_vmx_layer vm_layer) |
| 36 { |
| 37 enum s5p_tv_vmx_err merr; |
| 38 struct s5p_tv_status *st = &s5ptv_status; |
| 39 |
| 40 if (!(st->grp_layer_enable[0] || st->grp_layer_enable[1])) { |
| 41 |
| 42 merr = tv_vm_init_status_reg(st->grp_burst, |
| 43 st->grp_endian); |
| 44 |
| 45 if (merr != VMIXER_NO_ERROR) |
| 46 return false; |
| 47 } |
| 48 |
| 49 merr = tv_vm_init_layer(s5ptv_status.tvout_param.disp_mode, |
| 50 vm_layer, |
| 51 true, |
| 52 s5ptv_overlay[vm_layer].win_blending, |
| 53 s5ptv_overlay[vm_layer].win.global_alpha, |
| 54 s5ptv_overlay[vm_layer].priority, |
| 55 s5ptv_overlay[vm_layer].fb.fmt.pixelformat, |
| 56 s5ptv_overlay[vm_layer].blank_change, |
| 57 s5ptv_overlay[vm_layer].pixel_blending, |
| 58 s5ptv_overlay[vm_layer].pre_mul, |
| 59 s5ptv_overlay[vm_layer].blank_color, |
| 60 s5ptv_overlay[vm_layer].base_addr, |
| 61 s5ptv_overlay[vm_layer].fb.fmt.bytesperline, |
| 62 s5ptv_overlay[vm_layer].win.w.width, |
| 63 s5ptv_overlay[vm_layer].win.w.height, |
| 64 s5ptv_overlay[vm_layer].win.w.left, |
| 65 s5ptv_overlay[vm_layer].win.w.top, |
| 66 s5ptv_overlay[vm_layer].dst_rect.left, |
| 67 s5ptv_overlay[vm_layer].dst_rect.top, |
| 68 s5ptv_overlay[vm_layer].dst_rect.width, |
| 69 s5ptv_overlay[vm_layer].dst_rect.height); |
| 70 |
| 71 if (merr != VMIXER_NO_ERROR) { |
| 72 GRPPRINTK("can't initialize layer(%d)\n\r", merr); |
| 73 return false; |
| 74 } |
| 75 |
| 76 tv_vm_start(); |
| 77 |
| 78 |
| 79 st->grp_layer_enable[vm_layer] = true; |
| 80 |
| 81 GRPPRINTK("()\n\r"); |
| 82 |
| 83 return true; |
| 84 } |
| 85 |
| 86 bool tv_grp_stop(enum s5p_tv_vmx_layer vm_layer) |
| 87 { |
| 88 enum s5p_tv_vmx_err merr; |
| 89 struct s5p_tv_status *st = &s5ptv_status; |
| 90 |
| 91 GRPPRINTK("()\n\r"); |
| 92 |
| 93 merr = tv_vm_set_layer_show(vm_layer, false); |
| 94 |
| 95 if (merr != VMIXER_NO_ERROR) |
| 96 return false; |
| 97 |
| 98 merr = tv_vm_set_layer_priority(vm_layer, 0); |
| 99 |
| 100 if (merr != VMIXER_NO_ERROR) |
| 101 return false; |
| 102 |
| 103 tv_vm_start(); |
| 104 |
| 105 |
| 106 st->grp_layer_enable[vm_layer] = false; |
| 107 |
| 108 GRPPRINTK("()\n\r"); |
| 109 |
| 110 return true; |
| 111 } |
| 112 |
| 113 int s5ptvfb_set_output(struct s5p_tv_status *ctrl) { return 0; } |
| 114 |
| 115 int s5ptvfb_set_display_mode(struct s5p_tv_status *ctrl) |
| 116 { |
| 117 enum s5p_tv_vmx_layer layer = VM_GPR0_LAYER; |
| 118 bool premul = false; |
| 119 bool pixel_blending = false; |
| 120 bool blank_change = false; |
| 121 bool win_blending = false; |
| 122 u32 blank_color = 0x0; |
| 123 enum s5p_tv_vmx_color_fmt color; |
| 124 u32 bpp; |
| 125 u32 alpha = 0; |
| 126 |
| 127 bpp = ((struct fb_var_screeninfo)(ctrl->fb->var)).bits_per_pixel; |
| 128 |
| 129 if (bpp == 32) |
| 130 color = VM_DIRECT_RGB8888; |
| 131 else |
| 132 color = VM_DIRECT_RGB565; |
| 133 |
| 134 tv_vm_set_ctrl(layer, premul, pixel_blending, blank_change, |
| 135 win_blending, color, alpha, blank_color); |
| 136 |
| 137 return 0; |
| 138 } |
| 139 |
| 140 int s5ptvfb_display_on(struct s5p_tv_status *ctrl) |
| 141 { |
| 142 tv_vm_set_layer_priority(VM_GPR0_LAYER, 10); |
| 143 tv_vm_set_layer_show(VM_GPR0_LAYER, true); |
| 144 |
| 145 return 0; |
| 146 } |
| 147 |
| 148 int s5ptvfb_display_off(struct s5p_tv_status *ctrl) |
| 149 { |
| 150 tv_vm_set_layer_priority(VM_GPR0_LAYER, 10); |
| 151 tv_vm_set_layer_show(VM_GPR0_LAYER, false); |
| 152 |
| 153 return 0; |
| 154 } |
| 155 |
| 156 int s5ptvfb_frame_off(struct s5p_tv_status *ctrl) { return 0; } |
| 157 int s5ptvfb_set_clock(struct s5p_tv_status *ctrl) { return 0; } |
| 158 int s5ptvfb_set_polarity(struct s5p_tv_status *ctrl) { return 0; } |
| 159 int s5ptvfb_set_timing(struct s5p_tv_status *ctrl) { return 0; } |
| 160 int s5ptvfb_set_lcd_size(struct s5p_tv_status *ctrl) { return 0; } |
| 161 int s5ptvfb_window_on(struct s5p_tv_status *ctrl, int id) |
| 162 { |
| 163 tv_vm_set_layer_show(VM_GPR0_LAYER, true); |
| 164 |
| 165 return 0; |
| 166 } |
| 167 |
| 168 int s5ptvfb_window_off(struct s5p_tv_status *ctrl, int id) |
| 169 { |
| 170 tv_vm_set_layer_show(VM_GPR0_LAYER, false); |
| 171 return 0; |
| 172 } |
| 173 |
| 174 int s5ptvfb_set_window_control(struct s5p_tv_status *ctrl, int id) { return 0; } |
| 175 int s5ptvfb_set_alpha_blending(struct s5p_tv_status *ctrl, int id) { return 0; } |
| 176 int s5ptvfb_set_window_position(struct s5p_tv_status *ctrl, int id) |
| 177 { |
| 178 u32 off_x, off_y; |
| 179 u32 w_t, h_t; |
| 180 u32 w, h; |
| 181 |
| 182 struct fb_var_screeninfo *var = &ctrl->fb->var; |
| 183 struct s5ptvfb_window *win = ctrl->fb->par; |
| 184 |
| 185 off_x = (u32)win->x; |
| 186 off_y = (u32)win->y; |
| 187 |
| 188 w = var->xres; |
| 189 h = var->yres; |
| 190 |
| 191 /* |
| 192 * When tvout resolution was overscanned, there is no |
| 193 * adjust method in H/W. So, framebuffer should be resized. |
| 194 * In this case - TV w/h is greater than FB w/h, grp layer's |
| 195 * dst offset must be changed to fix tv screen. |
| 196 */ |
| 197 |
| 198 switch (ctrl->tvout_param.disp_mode) { |
| 199 |
| 200 case TVOUT_NTSC_M: |
| 201 case TVOUT_480P_60_16_9: |
| 202 case TVOUT_480P_60_4_3: |
| 203 case TVOUT_480P_59: |
| 204 w_t = 720; |
| 205 h_t = 480; |
| 206 break; |
| 207 |
| 208 case TVOUT_576P_50_16_9: |
| 209 case TVOUT_576P_50_4_3: |
| 210 w_t = 720; |
| 211 h_t = 576; |
| 212 break; |
| 213 |
| 214 case TVOUT_720P_60: |
| 215 case TVOUT_720P_59: |
| 216 case TVOUT_720P_50: |
| 217 w_t = 1280; |
| 218 h_t = 720; |
| 219 break; |
| 220 |
| 221 case TVOUT_1080I_60: |
| 222 case TVOUT_1080I_59: |
| 223 case TVOUT_1080I_50: |
| 224 case TVOUT_1080P_60: |
| 225 case TVOUT_1080P_59: |
| 226 case TVOUT_1080P_50: |
| 227 case TVOUT_1080P_30: |
| 228 w_t = 1920; |
| 229 h_t = 1080; |
| 230 break; |
| 231 |
| 232 default: |
| 233 w_t = 0; |
| 234 h_t = 0; |
| 235 break; |
| 236 } |
| 237 |
| 238 if (w_t > w) |
| 239 off_x = (w_t - w) / 2; |
| 240 |
| 241 if (h_t > h) |
| 242 off_y = (h_t - h) / 2; |
| 243 |
| 244 tv_vm_set_grp_layer_position(VM_GPR0_LAYER, off_x, off_y); |
| 245 |
| 246 return 0; |
| 247 } |
| 248 |
| 249 int s5ptvfb_set_window_size(struct s5p_tv_status *ctrl, int id) |
| 250 { |
| 251 struct fb_var_screeninfo *var = &ctrl->fb->var; |
| 252 int w, h, xo, yo; |
| 253 |
| 254 w = var->xres; |
| 255 h = var->yres; |
| 256 xo = var->xoffset; |
| 257 yo = var->yoffset; |
| 258 |
| 259 tv_vm_set_grp_layer_size(VM_GPR0_LAYER, w, w, h, xo, yo); |
| 260 |
| 261 |
| 262 dev_dbg(ctrl->dev_fb, "[fb%d] resolution: %d x %d\n", id, |
| 263 var->xres, var->yres); |
| 264 |
| 265 return 0; |
| 266 } |
| 267 |
| 268 int s5ptvfb_set_buffer_address(struct s5p_tv_status *ctrl, int id) |
| 269 { |
| 270 struct fb_fix_screeninfo *fix = &ctrl->fb->fix; |
| 271 struct fb_var_screeninfo *var = &ctrl->fb->var; |
| 272 dma_addr_t start_addr = 0, end_addr = 0; |
| 273 |
| 274 if (fix->smem_start) { |
| 275 start_addr = fix->smem_start + (var->xres_virtual * |
| 276 (var->bits_per_pixel / 8) * var->yoffset); |
| 277 |
| 278 end_addr = start_addr + (var->xres_virtual * |
| 279 (var->bits_per_pixel / 8) * var->yres); |
| 280 } |
| 281 |
| 282 tv_vm_set_grp_base_address(VM_GPR0_LAYER, start_addr); |
| 283 return 0; |
| 284 } |
| 285 |
| 286 int s5ptvfb_set_buffer_size(struct s5p_tv_status *ctrl, int id) { return 0; } |
| 287 |
| 288 int s5ptvfb_set_chroma_key(struct s5p_tv_status *ctrl, int id) |
| 289 { |
| 290 struct s5ptvfb_window *win = ctrl->fb->par; |
| 291 struct s5ptvfb_chroma *chroma = &win->chroma; |
| 292 |
| 293 enum s5p_tv_vmx_layer layer = VM_GPR0_LAYER; |
| 294 |
| 295 bool blank_change = (chroma->enabled) ? true : false; |
| 296 u32 blank_color = chroma->key; |
| 297 |
| 298 bool win_blending = (chroma->blended) ? true : false; |
| 299 bool alpha = chroma->alpha; |
| 300 |
| 301 enum s5p_tv_vmx_color_fmt color = VM_DIRECT_RGB8888; |
| 302 |
| 303 tv_vm_set_ctrl(layer, false, false, blank_change, |
| 304 win_blending, color, alpha, blank_color); |
| 305 |
| 306 return 0; |
| 307 } |
| 308 |
| 309 int s5ptvfb_wait_for_vsync(void) |
| 310 { |
| 311 sleep_on_timeout(&s5ptv_wq, HZ / 10); |
| 312 return 0; |
| 313 } |
| 314 |
| 315 static inline unsigned int chan_to_field(unsigned int chan, |
| 316 struct fb_bitfield bf) |
| 317 { |
| 318 chan &= 0xffff; |
| 319 chan >>= 16 - bf.length; |
| 320 |
| 321 return chan << bf.offset; |
| 322 } |
| 323 |
| 324 static int s5ptvfb_set_alpha_info(struct fb_var_screeninfo *var, |
| 325 struct s5ptvfb_window *win) |
| 326 { |
| 327 if (var->transp.length > 0) |
| 328 win->alpha.mode = PIXEL_BLENDING; |
| 329 else { |
| 330 win->alpha.mode = PLANE_BLENDING; |
| 331 win->alpha.channel = 0; |
| 332 win->alpha.value = S5PTVFB_AVALUE(0xf, 0xf, 0xf); |
| 333 } |
| 334 |
| 335 return 0; |
| 336 } |
| 337 |
| 338 |
| 339 static int s5ptvfb_enable_window(int id) |
| 340 { |
| 341 struct s5ptvfb_window *win = s5ptv_status.fb->par; |
| 342 |
| 343 if (s5ptvfb_window_on(&s5ptv_status, id)) { |
| 344 win->enabled = 0; |
| 345 return -EFAULT; |
| 346 } else { |
| 347 win->enabled = 1; |
| 348 return 0; |
| 349 } |
| 350 } |
| 351 |
| 352 |
| 353 static int s5ptvfb_disable_window(int id) |
| 354 { |
| 355 struct s5ptvfb_window *win = s5ptv_status.fb->par; |
| 356 |
| 357 if (s5ptvfb_window_off(&s5ptv_status, id)) { |
| 358 win->enabled = 1; |
| 359 return -EFAULT; |
| 360 } else { |
| 361 win->enabled = 0; |
| 362 return 0; |
| 363 } |
| 364 } |
| 365 |
| 366 int s5ptvfb_unmap_video_memory(struct fb_info *fb) |
| 367 { |
| 368 struct fb_fix_screeninfo *fix = &fb->fix; |
| 369 struct s5ptvfb_window *win = fb->par; |
| 370 |
| 371 if (fix->smem_start) { |
| 372 dma_free_writecombine(s5ptv_status.dev_fb, fix->smem_len, |
| 373 fb->screen_base, fix->smem_start); |
| 374 fix->smem_start = 0; |
| 375 fix->smem_len = 0; |
| 376 dev_info(s5ptv_status.dev_fb, |
| 377 "[fb%d] video memory released\n", win->id); |
| 378 } |
| 379 |
| 380 return 0; |
| 381 } |
| 382 |
| 383 static int s5ptvfb_release_window(struct fb_info *fb) |
| 384 { |
| 385 struct s5ptvfb_window *win = fb->par; |
| 386 |
| 387 win->x = 0; |
| 388 win->y = 0; |
| 389 |
| 390 return 0; |
| 391 } |
| 392 |
| 393 int s5ptvfb_map_video_memory(struct fb_info *fb) |
| 394 { |
| 395 struct fb_fix_screeninfo *fix = &fb->fix; |
| 396 struct s5ptvfb_window *win = fb->par; |
| 397 |
| 398 if (win->path == DATA_PATH_FIFO) |
| 399 return 0; |
| 400 |
| 401 fb->screen_base = dma_alloc_writecombine(s5ptv_status.dev_fb, |
| 402 PAGE_ALIGN(fix->smem_len), |
| 403 (unsigned int *) &fix->smem_start, GFP_KERNEL); |
| 404 if (!fb->screen_base) |
| 405 return -ENOMEM; |
| 406 else |
| 407 dev_info(s5ptv_status.dev_fb, |
| 408 "[fb%d] dma: 0x%08x, cpu: 0x%08x, " |
| 409 "size: 0x%08x\n", win->id, |
| 410 (unsigned int) fix->smem_start, |
| 411 (unsigned int) fb->screen_base, |
| 412 fix->smem_len); |
| 413 |
| 414 memset(fb->screen_base, 0, fix->smem_len); |
| 415 |
| 416 return 0; |
| 417 } |
| 418 |
| 419 |
| 420 static int s5ptvfb_set_bitfield(struct fb_var_screeninfo *var) |
| 421 { |
| 422 switch (var->bits_per_pixel) { |
| 423 case 16: |
| 424 if (var->transp.length == 1) { |
| 425 var->red.offset = 10; |
| 426 var->red.length = 5; |
| 427 var->green.offset = 5; |
| 428 var->green.length = 5; |
| 429 var->blue.offset = 0; |
| 430 var->blue.length = 5; |
| 431 var->transp.offset = 15; |
| 432 } else if (var->transp.length == 4) { |
| 433 var->red.offset = 8; |
| 434 var->red.length = 4; |
| 435 var->green.offset = 4; |
| 436 var->green.length = 4; |
| 437 var->blue.offset = 0; |
| 438 var->blue.length = 4; |
| 439 var->transp.offset = 12; |
| 440 } else { |
| 441 var->red.offset = 11; |
| 442 var->red.length = 5; |
| 443 var->green.offset = 5; |
| 444 var->green.length = 6; |
| 445 var->blue.offset = 0; |
| 446 var->blue.length = 5; |
| 447 var->transp.offset = 0; |
| 448 } |
| 449 break; |
| 450 |
| 451 case 24: |
| 452 var->red.offset = 16; |
| 453 var->red.length = 8; |
| 454 var->green.offset = 8; |
| 455 var->green.length = 8; |
| 456 var->blue.offset = 0; |
| 457 var->blue.length = 8; |
| 458 var->transp.offset = 0; |
| 459 var->transp.length = 0; |
| 460 break; |
| 461 |
| 462 case 32: |
| 463 var->red.offset = 16; |
| 464 var->red.length = 8; |
| 465 var->green.offset = 8; |
| 466 var->green.length = 8; |
| 467 var->blue.offset = 0; |
| 468 var->blue.length = 8; |
| 469 var->transp.offset = 24; |
| 470 break; |
| 471 } |
| 472 |
| 473 return 0; |
| 474 } |
| 475 |
| 476 static int s5ptvfb_cursor(struct fb_info *info, struct fb_cursor *cursor) |
| 477 { |
| 478 /* nothing to do for removing cursor */ |
| 479 return 0; |
| 480 } |
| 481 |
| 482 |
| 483 static int s5ptvfb_setcolreg(unsigned int regno, unsigned int red, |
| 484 unsigned int green, unsigned int blue, |
| 485 unsigned int transp, struct fb_info *fb) |
| 486 { |
| 487 unsigned int *pal = (unsigned int *) fb->pseudo_palette; |
| 488 unsigned int val = 0; |
| 489 |
| 490 if (regno < 16) { |
| 491 /* fake palette of 16 colors */ |
| 492 val |= chan_to_field(red, fb->var.red); |
| 493 val |= chan_to_field(green, fb->var.green); |
| 494 val |= chan_to_field(blue, fb->var.blue); |
| 495 val |= chan_to_field(transp, fb->var.transp); |
| 496 |
| 497 pal[regno] = val; |
| 498 } |
| 499 |
| 500 return 0; |
| 501 } |
| 502 |
| 503 |
| 504 static int s5ptvfb_pan_display(struct fb_var_screeninfo *var, |
| 505 struct fb_info *fb) |
| 506 { |
| 507 struct s5ptvfb_window *win = fb->par; |
| 508 |
| 509 if (var->yoffset + var->yres > var->yres_virtual) { |
| 510 dev_err(s5ptv_status.dev_fb, "invalid yoffset value\n"); |
| 511 return -EINVAL; |
| 512 } |
| 513 |
| 514 fb->var.yoffset = var->yoffset; |
| 515 |
| 516 dev_dbg(s5ptv_status.dev_fb, |
| 517 "[fb%d] yoffset for pan display: %d\n", win->id, |
| 518 var->yoffset); |
| 519 |
| 520 s5ptvfb_set_buffer_address(&s5ptv_status, win->id); |
| 521 |
| 522 return 0; |
| 523 } |
| 524 |
| 525 |
| 526 static int s5ptvfb_blank(int blank_mode, struct fb_info *fb) |
| 527 { |
| 528 struct s5ptvfb_window *win = fb->par; |
| 529 |
| 530 dev_dbg(s5ptv_status.dev_fb, "change blank mode\n"); |
| 531 |
| 532 switch (blank_mode) { |
| 533 case FB_BLANK_UNBLANK: |
| 534 if (fb->fix.smem_start) { |
| 535 s5ptvfb_display_on(&s5ptv_status); |
| 536 s5ptvfb_enable_window(win->id); |
| 537 } else |
| 538 dev_info(s5ptv_status.dev_fb, |
| 539 "[fb%d] no allocated memory for unblank\n", |
| 540 win->id); |
| 541 |
| 542 break; |
| 543 |
| 544 case FB_BLANK_POWERDOWN: |
| 545 s5ptvfb_display_off(&s5ptv_status); |
| 546 s5ptvfb_disable_window(win->id); |
| 547 break; |
| 548 |
| 549 default: |
| 550 dev_dbg(s5ptv_status.dev_fb, "unsupported blank mode\n"); |
| 551 break; |
| 552 } |
| 553 |
| 554 return 0; |
| 555 } |
| 556 |
| 557 int s5ptvfb_set_par(struct fb_info *fb) |
| 558 { |
| 559 struct s5ptvfb_window *win = fb->par; |
| 560 |
| 561 dev_dbg(s5ptv_status.dev_fb, "[fb%d] set_par\n", win->id); |
| 562 |
| 563 if (!fb->fix.smem_start) { |
| 564 printk(KERN_ERR "[Warning]fb addr should be \ |
| 565 allocated before enabling HDMI\n"); |
| 566 } |
| 567 |
| 568 |
| 569 /* For setting input color format */ |
| 570 ((struct fb_var_screeninfo) (s5ptv_status.fb->var)).bits_per_pixel = |
| 571 ((struct fb_var_screeninfo) (fb->var)).bits_per_pixel; |
| 572 |
| 573 s5ptvfb_set_display_mode(&s5ptv_status); |
| 574 |
| 575 s5ptvfb_set_window_control(&s5ptv_status, win->id); |
| 576 s5ptvfb_set_window_position(&s5ptv_status, win->id); |
| 577 s5ptvfb_set_window_size(&s5ptv_status, win->id); |
| 578 s5ptvfb_set_buffer_address(&s5ptv_status, win->id); |
| 579 s5ptvfb_set_buffer_size(&s5ptv_status, win->id); |
| 580 |
| 581 if (win->id > 0) |
| 582 s5ptvfb_set_alpha_blending(&s5ptv_status, win->id); |
| 583 |
| 584 return 0; |
| 585 } |
| 586 |
| 587 int s5ptvfb_check_var(struct fb_var_screeninfo *var, struct fb_info *fb) |
| 588 { |
| 589 struct fb_fix_screeninfo *fix = &fb->fix; |
| 590 struct s5ptvfb_window *win = fb->par; |
| 591 struct s5ptvfb_lcd *lcd = s5ptv_status.lcd; |
| 592 |
| 593 dev_dbg(s5ptv_status.dev_fb, "[fb%d] check_var\n", win->id); |
| 594 |
| 595 if (var->bits_per_pixel != 16 && var->bits_per_pixel != 24 && |
| 596 var->bits_per_pixel != 32) { |
| 597 dev_err(s5ptv_status.dev_fb, "invalid bits per pixel\n"); |
| 598 return -EINVAL; |
| 599 } |
| 600 |
| 601 if (var->xres > lcd->width) |
| 602 var->xres = lcd->width; |
| 603 |
| 604 if (var->yres > lcd->height) |
| 605 var->yres = lcd->height; |
| 606 |
| 607 if (var->xres_virtual != var->xres) |
| 608 var->xres_virtual = var->xres; |
| 609 |
| 610 if (var->yres_virtual > var->yres * (fb->fix.ypanstep + 1)) |
| 611 var->yres_virtual = var->yres * (fb->fix.ypanstep + 1); |
| 612 |
| 613 if (var->xoffset != 0) |
| 614 var->xoffset = 0; |
| 615 |
| 616 if (var->yoffset + var->yres > var->yres_virtual) |
| 617 var->yoffset = var->yres_virtual - var->yres; |
| 618 |
| 619 if (win->x + var->xres > lcd->width) |
| 620 win->x = lcd->width - var->xres; |
| 621 |
| 622 if (win->y + var->yres > lcd->height) |
| 623 win->y = lcd->height - var->yres; |
| 624 |
| 625 /* modify the fix info */ |
| 626 fix->line_length = var->xres_virtual * var->bits_per_pixel / 8; |
| 627 fix->smem_len = fix->line_length * var->yres_virtual; |
| 628 |
| 629 |
| 630 s5ptvfb_set_bitfield(var); |
| 631 s5ptvfb_set_alpha_info(var, win); |
| 632 |
| 633 return 0; |
| 634 } |
| 635 |
| 636 static int s5ptvfb_release(struct fb_info *fb, int user) |
| 637 { |
| 638 int ret; |
| 639 struct s5ptvfb_window *win = fb->par; |
| 640 |
| 641 s5ptv_status.hdcp_en = false; |
| 642 |
| 643 s5ptvfb_release_window(fb); |
| 644 |
| 645 tv_vlayer_stop(); |
| 646 tv_if_stop(); |
| 647 |
| 648 s5ptv_status.hdcp_en = false; |
| 649 |
| 650 s5ptv_status.tvout_output_enable = false; |
| 651 |
| 652 /* |
| 653 * drv. release |
| 654 * - just check drv. state reg. or not. |
| 655 */ |
| 656 |
| 657 ret = s5p_tv_clk_gate(false); |
| 658 if (ret < 0) { |
| 659 printk(KERN_ERR "[Error]Cannot release\n"); |
| 660 return -1; |
| 661 } |
| 662 tv_phy_power(false); |
| 663 |
| 664 mutex_lock(&s5ptv_status.fb_lock); |
| 665 atomic_dec(&win->in_use); |
| 666 mutex_unlock(&s5ptv_status.fb_lock); |
| 667 |
| 668 return 0; |
| 669 } |
| 670 |
| 671 static int s5ptvfb_ioctl(struct fb_info *fb, unsigned int cmd, |
| 672 unsigned long arg) |
| 673 { |
| 674 struct fb_var_screeninfo *var = &fb->var; |
| 675 struct s5ptvfb_window *win = fb->par; |
| 676 struct s5ptvfb_lcd *lcd = s5ptv_status.lcd; |
| 677 int ret = 0; |
| 678 void *argp = (void *) arg; |
| 679 |
| 680 union { |
| 681 struct s5ptvfb_user_window user_window; |
| 682 struct s5ptvfb_user_plane_alpha user_alpha; |
| 683 struct s5ptvfb_user_chroma user_chroma; |
| 684 int vsync; |
| 685 } p; |
| 686 |
| 687 switch (cmd) { |
| 688 |
| 689 case FBIO_ALLOC: |
| 690 win->path = (enum s5ptvfb_data_path_t) argp; |
| 691 break; |
| 692 |
| 693 case FBIOGET_FSCREENINFO: |
| 694 ret = memcpy(argp, &fb->fix, sizeof(fb->fix)) ? 0 : -EFAULT; |
| 695 break; |
| 696 |
| 697 case FBIOGET_VSCREENINFO: |
| 698 ret = memcpy(argp, &fb->var, sizeof(fb->var)) ? 0 : -EFAULT; |
| 699 break; |
| 700 |
| 701 case FBIOPUT_VSCREENINFO: |
| 702 ret = s5ptvfb_check_var((struct fb_var_screeninfo *) argp, fb); |
| 703 if (ret) { |
| 704 dev_err(s5ptv_status.dev_fb, "invalid vscreeninfo\n"); |
| 705 break; |
| 706 } |
| 707 |
| 708 ret = memcpy(&fb->var, (struct fb_var_screeninfo *) argp, |
| 709 sizeof(fb->var)) ? 0 : -EFAULT; |
| 710 if (ret) { |
| 711 dev_err(s5ptv_status.dev_fb, |
| 712 "failed to put new vscreeninfo\n"); |
| 713 break; |
| 714 } |
| 715 |
| 716 ret = s5ptvfb_set_par(fb); |
| 717 break; |
| 718 |
| 719 case S5PTVFB_WIN_POSITION: |
| 720 if (copy_from_user(&p.user_window, |
| 721 (struct s5ptvfb_user_window __user *) arg, |
| 722 sizeof(p.user_window))) |
| 723 ret = -EFAULT; |
| 724 else { |
| 725 if (p.user_window.x < 0) |
| 726 p.user_window.x = 0; |
| 727 |
| 728 if (p.user_window.y < 0) |
| 729 p.user_window.y = 0; |
| 730 |
| 731 if (p.user_window.x + var->xres > lcd->width) |
| 732 win->x = lcd->width - var->xres; |
| 733 else |
| 734 win->x = p.user_window.x; |
| 735 |
| 736 if (p.user_window.y + var->yres > lcd->height) |
| 737 win->y = lcd->height - var->yres; |
| 738 else |
| 739 win->y = p.user_window.y; |
| 740 |
| 741 s5ptvfb_set_window_position(&s5ptv_status, win->id); |
| 742 } |
| 743 break; |
| 744 |
| 745 case S5PTVFB_WIN_SET_PLANE_ALPHA: |
| 746 if (copy_from_user(&p.user_alpha, |
| 747 (struct s5ptvfb_user_plane_alpha __user *) arg, |
| 748 sizeof(p.user_alpha))) |
| 749 ret = -EFAULT; |
| 750 else { |
| 751 win->alpha.mode = PLANE_BLENDING; |
| 752 win->alpha.channel = p.user_alpha.channel; |
| 753 win->alpha.value = |
| 754 S5PTVFB_AVALUE(p.user_alpha.red, |
| 755 p.user_alpha.green, |
| 756 p.user_alpha.blue); |
| 757 |
| 758 s5ptvfb_set_alpha_blending(&s5ptv_status, win->id); |
| 759 } |
| 760 break; |
| 761 |
| 762 case S5PTVFB_WIN_SET_CHROMA: |
| 763 if (copy_from_user(&p.user_chroma, |
| 764 (struct s5ptvfb_user_chroma __user *) arg, |
| 765 sizeof(p.user_chroma))) |
| 766 ret = -EFAULT; |
| 767 else { |
| 768 win->chroma.enabled = p.user_chroma.enabled; |
| 769 win->chroma.key = S5PTVFB_CHROMA(p.user_chroma.red, |
| 770 p.user_chroma.green, |
| 771 p.user_chroma.blue); |
| 772 |
| 773 s5ptvfb_set_chroma_key(&s5ptv_status, win->id); |
| 774 } |
| 775 break; |
| 776 |
| 777 case S5PTVFB_SET_VSYNC_INT: |
| 778 tv_vm_set_vsync_interrupt((int)argp); |
| 779 break; |
| 780 |
| 781 case S5PTVFB_WAITFORVSYNC: |
| 782 s5ptvfb_wait_for_vsync(); |
| 783 break; |
| 784 |
| 785 case S5PTVFB_WIN_SET_ADDR: |
| 786 fb->fix.smem_start = (unsigned long)argp; |
| 787 s5ptvfb_set_buffer_address(&s5ptv_status, win->id); |
| 788 break; |
| 789 |
| 790 case S5PTVFB_SET_WIN_ON: |
| 791 s5ptvfb_display_on(&s5ptv_status); |
| 792 s5ptvfb_enable_window(0); |
| 793 break; |
| 794 |
| 795 case S5PTVFB_SET_WIN_OFF: |
| 796 s5ptvfb_display_off(&s5ptv_status); |
| 797 s5ptvfb_disable_window(0); |
| 798 break; |
| 799 } |
| 800 |
| 801 return 0; |
| 802 } |
| 803 |
| 804 static int s5ptvfb_open(struct fb_info *fb, int user) |
| 805 { |
| 806 struct s5ptvfb_window *win = fb->par; |
| 807 int ret = 0; |
| 808 |
| 809 ret = s5p_tv_clk_gate(true); |
| 810 if (ret < 0) { |
| 811 printk(KERN_ERR "[Error]Cannot open it\n"); |
| 812 return -1; |
| 813 } |
| 814 |
| 815 tv_phy_power(true); |
| 816 |
| 817 tv_if_init_param(); |
| 818 |
| 819 s5p_tv_v4l2_init_param(); |
| 820 |
| 821 s5ptv_status.tvout_param.out_mode = TVOUT_OUTPUT_HDMI_RGB; |
| 822 |
| 823 tv_if_set_disp(); |
| 824 |
| 825 mutex_lock(&s5ptv_status.fb_lock); |
| 826 |
| 827 if (atomic_read(&win->in_use)) { |
| 828 |
| 829 dev_dbg(s5ptv_status.dev_fb, |
| 830 "do not allow multiple open " |
| 831 "for window\n"); |
| 832 ret = -EBUSY; |
| 833 |
| 834 } else |
| 835 atomic_inc(&win->in_use); |
| 836 |
| 837 mutex_unlock(&s5ptv_status.fb_lock); |
| 838 |
| 839 return ret; |
| 840 |
| 841 } |
| 842 |
| 843 |
| 844 int s5p_tv_v_read(struct file *filp, char *buf, size_t count, |
| 845 loff_t *f_pos) |
| 846 { |
| 847 return 0; |
| 848 } |
| 849 |
| 850 int s5p_tv_v_write(struct file *filp, const char *buf, size_t |
| 851 count, loff_t *f_pos) |
| 852 { |
| 853 return 0; |
| 854 } |
| 855 |
| 856 struct fb_ops s5ptvfb_ops = { |
| 857 .owner = THIS_MODULE, |
| 858 .fb_fillrect = cfb_fillrect, |
| 859 .fb_copyarea = cfb_copyarea, |
| 860 .fb_imageblit = cfb_imageblit, |
| 861 .fb_check_var = s5ptvfb_check_var, |
| 862 .fb_set_par = s5ptvfb_set_par, |
| 863 .fb_blank = s5ptvfb_blank, |
| 864 .fb_pan_display = s5ptvfb_pan_display, |
| 865 .fb_setcolreg = s5ptvfb_setcolreg, |
| 866 .fb_cursor = s5ptvfb_cursor, |
| 867 .fb_ioctl = s5ptvfb_ioctl, |
| 868 .fb_open = s5ptvfb_open, |
| 869 .fb_release = s5ptvfb_release, |
| 870 }; |
| 871 |
| 872 int s5ptvfb_init_fbinfo(int id) |
| 873 { |
| 874 struct fb_info *fb = s5ptv_status.fb; |
| 875 struct fb_fix_screeninfo *fix = &fb->fix; |
| 876 struct fb_var_screeninfo *var = &fb->var; |
| 877 struct s5ptvfb_window *win = fb->par; |
| 878 struct s5ptvfb_alpha *alpha = &win->alpha; |
| 879 struct s5ptvfb_lcd *lcd = s5ptv_status.lcd; |
| 880 struct s5ptvfb_lcd_timing *timing = &lcd->timing; |
| 881 |
| 882 memset(win, 0, sizeof(struct s5ptvfb_window)); |
| 883 |
| 884 platform_set_drvdata(to_platform_device(s5ptv_status.dev_fb), fb); |
| 885 |
| 886 strcpy(fix->id, S5PTVFB_NAME); |
| 887 |
| 888 /* fimd specific */ |
| 889 win->id = id; |
| 890 win->path = DATA_PATH_DMA; |
| 891 win->dma_burst = 16; |
| 892 alpha->mode = PLANE_BLENDING; |
| 893 |
| 894 /* fbinfo */ |
| 895 fb->fbops = &s5ptvfb_ops; |
| 896 fb->flags = FBINFO_FLAG_DEFAULT; |
| 897 fb->pseudo_palette = &win->pseudo_pal; |
| 898 fix->xpanstep = 0; |
| 899 fix->ypanstep = 0; |
| 900 fix->type = FB_TYPE_PACKED_PIXELS; |
| 901 fix->accel = FB_ACCEL_NONE; |
| 902 fix->visual = FB_VISUAL_TRUECOLOR; |
| 903 var->xres = lcd->width; |
| 904 var->yres = lcd->height; |
| 905 var->xres_virtual = var->xres; |
| 906 var->yres_virtual = var->yres |
| 907 + (var->yres * fix->ypanstep); |
| 908 var->bits_per_pixel = 32; |
| 909 var->xoffset = 0; |
| 910 var->yoffset = 0; |
| 911 var->width = 0; |
| 912 var->height = 0; |
| 913 var->transp.length = 0; |
| 914 var->nonstd = 0; |
| 915 var->activate = FB_ACTIVATE_NOW; |
| 916 var->vmode = FB_VMODE_NONINTERLACED; |
| 917 var->hsync_len = timing->h_sw; |
| 918 var->vsync_len = timing->v_sw; |
| 919 var->left_margin = timing->h_fp; |
| 920 var->right_margin = timing->h_bp; |
| 921 var->upper_margin = timing->v_fp; |
| 922 var->lower_margin = timing->v_bp; |
| 923 |
| 924 fix->line_length = var->xres_virtual * var->bits_per_pixel / 8; |
| 925 fix->smem_len = fix->line_length * var->yres_virtual; |
| 926 |
| 927 var->pixclock = lcd->freq * (var->left_margin + var->right_margin + |
| 928 var->hsync_len + var->xres) * |
| 929 (var->upper_margin + var->lower_margin + |
| 930 var->vsync_len + var->yres); |
| 931 |
| 932 dev_dbg(s5ptv_status.dev_fb, "pixclock: %d\n", var->pixclock); |
| 933 |
| 934 s5ptvfb_set_bitfield(var); |
| 935 s5ptvfb_set_alpha_info(var, win); |
| 936 |
| 937 return 0; |
| 938 } |
| 939 |
| 940 static struct s5ptvfb_lcd max_tvfb = { |
| 941 .width = 1920, |
| 942 .height = 1080, |
| 943 .bpp = 32, |
| 944 .freq = 60, |
| 945 |
| 946 .timing = { |
| 947 .h_fp = 49, |
| 948 .h_bp = 17, |
| 949 .h_sw = 33, |
| 950 .v_fp = 4, |
| 951 .v_fpe = 1, |
| 952 .v_bp = 15, |
| 953 .v_bpe = 1, |
| 954 .v_sw = 6, |
| 955 }, |
| 956 |
| 957 .polarity = { |
| 958 .rise_vclk = 0, |
| 959 .inv_hsync = 1, |
| 960 .inv_vsync = 1, |
| 961 .inv_vden = 0, |
| 962 }, |
| 963 }; |
| 964 |
| 965 void s5ptvfb_set_lcd_info(struct s5p_tv_status *ctrl) |
| 966 { |
| 967 ctrl->lcd = &max_tvfb; |
| 968 } |
| 969 |
| 970 |
| 971 int s5ptvfb_direct_ioctl(int id, unsigned int cmd, unsigned long arg) |
| 972 { |
| 973 struct fb_info *fb = s5ptv_status.fb; |
| 974 struct fb_fix_screeninfo *fix = &fb->fix; |
| 975 struct s5ptvfb_window *win = fb->par; |
| 976 void *argp = (void *) arg; |
| 977 int ret = 0; |
| 978 |
| 979 switch (cmd) { |
| 980 |
| 981 case FBIO_ALLOC: |
| 982 win->path = (enum s5ptvfb_data_path_t) argp; |
| 983 break; |
| 984 |
| 985 case FBIOGET_FSCREENINFO: |
| 986 ret = memcpy(argp, &fb->fix, sizeof(fb->fix)) ? 0 : -EFAULT; |
| 987 break; |
| 988 |
| 989 case FBIOGET_VSCREENINFO: |
| 990 ret = memcpy(argp, &fb->var, sizeof(fb->var)) ? 0 : -EFAULT; |
| 991 break; |
| 992 |
| 993 case FBIOPUT_VSCREENINFO: |
| 994 ret = s5ptvfb_check_var((struct fb_var_screeninfo *) argp, fb); |
| 995 if (ret) { |
| 996 dev_err(s5ptv_status.dev_fb, "invalid vscreeninfo\n"); |
| 997 break; |
| 998 } |
| 999 |
| 1000 ret = memcpy(&fb->var, (struct fb_var_screeninfo *) argp, |
| 1001 sizeof(fb->var)) ? 0 : -EFAULT; |
| 1002 if (ret) { |
| 1003 dev_err(s5ptv_status.dev_fb, |
| 1004 "failed to put new vscreeninfo\n"); |
| 1005 break; |
| 1006 } |
| 1007 |
| 1008 ret = s5ptvfb_set_par(fb); |
| 1009 break; |
| 1010 |
| 1011 case S5PTVFB_SET_WIN_ON: |
| 1012 s5ptvfb_display_on(&s5ptv_status); |
| 1013 s5ptvfb_enable_window(0); |
| 1014 break; |
| 1015 |
| 1016 case S5PTVFB_SET_WIN_OFF: |
| 1017 s5ptvfb_display_off(&s5ptv_status); |
| 1018 s5ptvfb_disable_window(0); |
| 1019 break; |
| 1020 |
| 1021 case S5PTVFB_POWER_ON: |
| 1022 ret = s5p_tv_clk_gate(true); |
| 1023 if (ret < 0) { |
| 1024 printk(KERN_ERR "[Error]The power is not on\n"); |
| 1025 break; |
| 1026 } |
| 1027 tv_phy_power(true); |
| 1028 |
| 1029 tv_if_init_param(); |
| 1030 |
| 1031 s5p_tv_v4l2_init_param(); |
| 1032 |
| 1033 s5ptv_status.tvout_param.out_mode = TVOUT_OUTPUT_HDMI_RGB; |
| 1034 |
| 1035 tv_if_set_disp(); |
| 1036 |
| 1037 break; |
| 1038 |
| 1039 case S5PTVFB_POWER_OFF: |
| 1040 tv_vlayer_stop(); |
| 1041 tv_if_stop(); |
| 1042 |
| 1043 ret = s5p_tv_clk_gate(false); |
| 1044 if (ret < 0) { |
| 1045 printk(KERN_ERR "[Error]The power is not off\n"); |
| 1046 break; |
| 1047 } |
| 1048 tv_phy_power(false); |
| 1049 break; |
| 1050 |
| 1051 case S5PTVFB_SET_VSYNC_INT: |
| 1052 tv_vm_set_vsync_interrupt((int)argp); |
| 1053 break; |
| 1054 |
| 1055 case S5PTVFB_WAITFORVSYNC: |
| 1056 s5ptvfb_wait_for_vsync(); |
| 1057 break; |
| 1058 |
| 1059 case S5PTVFB_WIN_SET_ADDR: |
| 1060 fix->smem_start = (unsigned long)argp; |
| 1061 s5ptvfb_set_buffer_address(&s5ptv_status, win->id); |
| 1062 break; |
| 1063 |
| 1064 default: |
| 1065 ret = s5ptvfb_ioctl(fb, cmd, arg); |
| 1066 break; |
| 1067 } |
| 1068 |
| 1069 return ret; |
| 1070 } |
| 1071 EXPORT_SYMBOL(s5ptvfb_direct_ioctl); |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2036011:
V4L/DVB : Add S5PV210 TV out driver support (Closed)
Base URL: swsolcc@12.23.106.100:kernel-samsung.git