au1200fb.c revision 64cd04d0cffa3b3af0e81aa3112b71f135739e1a
1/* 2 * BRIEF MODULE DESCRIPTION 3 * Au1200 LCD Driver. 4 * 5 * Copyright 2004-2005 AMD 6 * Author: AMD 7 * 8 * Based on: 9 * linux/drivers/video/skeletonfb.c -- Skeleton for a frame buffer device 10 * Created 28 Dec 1997 by Geert Uytterhoeven 11 * 12 * This program is free software; you can redistribute it and/or modify it 13 * under the terms of the GNU General Public License as published by the 14 * Free Software Foundation; either version 2 of the License, or (at your 15 * option) any later version. 16 * 17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 20 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 23 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 24 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * You should have received a copy of the GNU General Public License along 29 * with this program; if not, write to the Free Software Foundation, Inc., 30 * 675 Mass Ave, Cambridge, MA 02139, USA. 31 */ 32 33#include <linux/module.h> 34#include <linux/platform_device.h> 35#include <linux/kernel.h> 36#include <linux/errno.h> 37#include <linux/string.h> 38#include <linux/mm.h> 39#include <linux/fb.h> 40#include <linux/init.h> 41#include <linux/interrupt.h> 42#include <linux/ctype.h> 43#include <linux/dma-mapping.h> 44#include <linux/slab.h> 45 46#include <asm/mach-au1x00/au1000.h> 47#include "au1200fb.h" 48 49#define DRIVER_NAME "au1200fb" 50#define DRIVER_DESC "LCD controller driver for AU1200 processors" 51 52#define DEBUG 0 53 54#define print_err(f, arg...) printk(KERN_ERR DRIVER_NAME ": " f "\n", ## arg) 55#define print_warn(f, arg...) printk(KERN_WARNING DRIVER_NAME ": " f "\n", ## arg) 56#define print_info(f, arg...) printk(KERN_INFO DRIVER_NAME ": " f "\n", ## arg) 57 58#if DEBUG 59#define print_dbg(f, arg...) printk(KERN_DEBUG __FILE__ ": " f "\n", ## arg) 60#else 61#define print_dbg(f, arg...) do {} while (0) 62#endif 63 64 65#define AU1200_LCD_FB_IOCTL 0x46FF 66 67#define AU1200_LCD_SET_SCREEN 1 68#define AU1200_LCD_GET_SCREEN 2 69#define AU1200_LCD_SET_WINDOW 3 70#define AU1200_LCD_GET_WINDOW 4 71#define AU1200_LCD_SET_PANEL 5 72#define AU1200_LCD_GET_PANEL 6 73 74#define SCREEN_SIZE (1<< 1) 75#define SCREEN_BACKCOLOR (1<< 2) 76#define SCREEN_BRIGHTNESS (1<< 3) 77#define SCREEN_COLORKEY (1<< 4) 78#define SCREEN_MASK (1<< 5) 79 80struct au1200_lcd_global_regs_t { 81 unsigned int flags; 82 unsigned int xsize; 83 unsigned int ysize; 84 unsigned int backcolor; 85 unsigned int brightness; 86 unsigned int colorkey; 87 unsigned int mask; 88 unsigned int panel_choice; 89 char panel_desc[80]; 90 91}; 92 93#define WIN_POSITION (1<< 0) 94#define WIN_ALPHA_COLOR (1<< 1) 95#define WIN_ALPHA_MODE (1<< 2) 96#define WIN_PRIORITY (1<< 3) 97#define WIN_CHANNEL (1<< 4) 98#define WIN_BUFFER_FORMAT (1<< 5) 99#define WIN_COLOR_ORDER (1<< 6) 100#define WIN_PIXEL_ORDER (1<< 7) 101#define WIN_SIZE (1<< 8) 102#define WIN_COLORKEY_MODE (1<< 9) 103#define WIN_DOUBLE_BUFFER_MODE (1<< 10) 104#define WIN_RAM_ARRAY_MODE (1<< 11) 105#define WIN_BUFFER_SCALE (1<< 12) 106#define WIN_ENABLE (1<< 13) 107 108struct au1200_lcd_window_regs_t { 109 unsigned int flags; 110 unsigned int xpos; 111 unsigned int ypos; 112 unsigned int alpha_color; 113 unsigned int alpha_mode; 114 unsigned int priority; 115 unsigned int channel; 116 unsigned int buffer_format; 117 unsigned int color_order; 118 unsigned int pixel_order; 119 unsigned int xsize; 120 unsigned int ysize; 121 unsigned int colorkey_mode; 122 unsigned int double_buffer_mode; 123 unsigned int ram_array_mode; 124 unsigned int xscale; 125 unsigned int yscale; 126 unsigned int enable; 127}; 128 129 130struct au1200_lcd_iodata_t { 131 unsigned int subcmd; 132 struct au1200_lcd_global_regs_t global; 133 struct au1200_lcd_window_regs_t window; 134}; 135 136#if defined(__BIG_ENDIAN) 137#define LCD_CONTROL_DEFAULT_PO LCD_CONTROL_PO_11 138#else 139#define LCD_CONTROL_DEFAULT_PO LCD_CONTROL_PO_00 140#endif 141#define LCD_CONTROL_DEFAULT_SBPPF LCD_CONTROL_SBPPF_565 142 143/* Private, per-framebuffer management information (independent of the panel itself) */ 144struct au1200fb_device { 145 struct fb_info *fb_info; /* FB driver info record */ 146 147 int plane; 148 unsigned char* fb_mem; /* FrameBuffer memory map */ 149 unsigned int fb_len; 150 dma_addr_t fb_phys; 151}; 152 153/********************************************************************/ 154 155/* LCD controller restrictions */ 156#define AU1200_LCD_MAX_XRES 1280 157#define AU1200_LCD_MAX_YRES 1024 158#define AU1200_LCD_MAX_BPP 32 159#define AU1200_LCD_MAX_CLK 96000000 /* fixme: this needs to go away ? */ 160#define AU1200_LCD_NBR_PALETTE_ENTRIES 256 161 162/* Default number of visible screen buffer to allocate */ 163#define AU1200FB_NBR_VIDEO_BUFFERS 1 164 165/* Default maximum number of fb devices to create */ 166#define MAX_DEVICE_COUNT 4 167 168/* Default window configuration entry to use (see windows[]) */ 169#define DEFAULT_WINDOW_INDEX 2 170 171/********************************************************************/ 172 173static struct fb_info *_au1200fb_infos[MAX_DEVICE_COUNT]; 174static struct au1200_lcd *lcd = (struct au1200_lcd *) AU1200_LCD_ADDR; 175static int device_count = MAX_DEVICE_COUNT; 176static int window_index = DEFAULT_WINDOW_INDEX; /* default is zero */ 177static int panel_index = 2; /* default is zero */ 178static struct window_settings *win; 179static struct panel_settings *panel; 180static int noblanking = 1; 181static int nohwcursor = 0; 182 183struct window_settings { 184 unsigned char name[64]; 185 uint32 mode_backcolor; 186 uint32 mode_colorkey; 187 uint32 mode_colorkeymsk; 188 struct { 189 int xres; 190 int yres; 191 int xpos; 192 int ypos; 193 uint32 mode_winctrl1; /* winctrl1[FRM,CCO,PO,PIPE] */ 194 uint32 mode_winenable; 195 } w[4]; 196}; 197 198#if defined(__BIG_ENDIAN) 199#define LCD_WINCTRL1_PO_16BPP LCD_WINCTRL1_PO_00 200#else 201#define LCD_WINCTRL1_PO_16BPP LCD_WINCTRL1_PO_01 202#endif 203 204extern int board_au1200fb_panel_init (void); 205extern int board_au1200fb_panel_shutdown (void); 206 207/* 208 * Default window configurations 209 */ 210static struct window_settings windows[] = { 211 { /* Index 0 */ 212 "0-FS gfx, 1-video, 2-ovly gfx, 3-ovly gfx", 213 /* mode_backcolor */ 0x006600ff, 214 /* mode_colorkey,msk*/ 0, 0, 215 { 216 { 217 /* xres, yres, xpos, ypos */ 0, 0, 0, 0, 218 /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | 219 LCD_WINCTRL1_PO_16BPP, 220 /* mode_winenable*/ LCD_WINENABLE_WEN0, 221 }, 222 { 223 /* xres, yres, xpos, ypos */ 100, 100, 100, 100, 224 /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | 225 LCD_WINCTRL1_PO_16BPP | 226 LCD_WINCTRL1_PIPE, 227 /* mode_winenable*/ LCD_WINENABLE_WEN1, 228 }, 229 { 230 /* xres, yres, xpos, ypos */ 0, 0, 0, 0, 231 /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | 232 LCD_WINCTRL1_PO_16BPP, 233 /* mode_winenable*/ 0, 234 }, 235 { 236 /* xres, yres, xpos, ypos */ 0, 0, 0, 0, 237 /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | 238 LCD_WINCTRL1_PO_16BPP | 239 LCD_WINCTRL1_PIPE, 240 /* mode_winenable*/ 0, 241 }, 242 }, 243 }, 244 245 { /* Index 1 */ 246 "0-FS gfx, 1-video, 2-ovly gfx, 3-ovly gfx", 247 /* mode_backcolor */ 0x006600ff, 248 /* mode_colorkey,msk*/ 0, 0, 249 { 250 { 251 /* xres, yres, xpos, ypos */ 320, 240, 5, 5, 252 /* mode_winctrl1 */ LCD_WINCTRL1_FRM_24BPP | 253 LCD_WINCTRL1_PO_00, 254 /* mode_winenable*/ LCD_WINENABLE_WEN0, 255 }, 256 { 257 /* xres, yres, xpos, ypos */ 0, 0, 0, 0, 258 /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 259 | LCD_WINCTRL1_PO_16BPP, 260 /* mode_winenable*/ 0, 261 }, 262 { 263 /* xres, yres, xpos, ypos */ 100, 100, 0, 0, 264 /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | 265 LCD_WINCTRL1_PO_16BPP | 266 LCD_WINCTRL1_PIPE, 267 /* mode_winenable*/ 0/*LCD_WINENABLE_WEN2*/, 268 }, 269 { 270 /* xres, yres, xpos, ypos */ 200, 25, 0, 0, 271 /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | 272 LCD_WINCTRL1_PO_16BPP | 273 LCD_WINCTRL1_PIPE, 274 /* mode_winenable*/ 0, 275 }, 276 }, 277 }, 278 { /* Index 2 */ 279 "0-FS gfx, 1-video, 2-ovly gfx, 3-ovly gfx", 280 /* mode_backcolor */ 0x006600ff, 281 /* mode_colorkey,msk*/ 0, 0, 282 { 283 { 284 /* xres, yres, xpos, ypos */ 0, 0, 0, 0, 285 /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | 286 LCD_WINCTRL1_PO_16BPP, 287 /* mode_winenable*/ LCD_WINENABLE_WEN0, 288 }, 289 { 290 /* xres, yres, xpos, ypos */ 0, 0, 0, 0, 291 /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | 292 LCD_WINCTRL1_PO_16BPP, 293 /* mode_winenable*/ 0, 294 }, 295 { 296 /* xres, yres, xpos, ypos */ 0, 0, 0, 0, 297 /* mode_winctrl1 */ LCD_WINCTRL1_FRM_32BPP | 298 LCD_WINCTRL1_PO_00|LCD_WINCTRL1_PIPE, 299 /* mode_winenable*/ 0/*LCD_WINENABLE_WEN2*/, 300 }, 301 { 302 /* xres, yres, xpos, ypos */ 0, 0, 0, 0, 303 /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | 304 LCD_WINCTRL1_PO_16BPP | 305 LCD_WINCTRL1_PIPE, 306 /* mode_winenable*/ 0, 307 }, 308 }, 309 }, 310 /* Need VGA 640 @ 24bpp, @ 32bpp */ 311 /* Need VGA 800 @ 24bpp, @ 32bpp */ 312 /* Need VGA 1024 @ 24bpp, @ 32bpp */ 313}; 314 315/* 316 * Controller configurations for various panels. 317 */ 318 319struct panel_settings 320{ 321 const char name[25]; /* Full name <vendor>_<model> */ 322 323 struct fb_monspecs monspecs; /* FB monitor specs */ 324 325 /* panel timings */ 326 uint32 mode_screen; 327 uint32 mode_horztiming; 328 uint32 mode_verttiming; 329 uint32 mode_clkcontrol; 330 uint32 mode_pwmdiv; 331 uint32 mode_pwmhi; 332 uint32 mode_outmask; 333 uint32 mode_fifoctrl; 334 uint32 mode_toyclksrc; 335 uint32 mode_backlight; 336 uint32 mode_auxpll; 337 int (*device_init)(void); 338 int (*device_shutdown)(void); 339#define Xres min_xres 340#define Yres min_yres 341 u32 min_xres; /* Minimum horizontal resolution */ 342 u32 max_xres; /* Maximum horizontal resolution */ 343 u32 min_yres; /* Minimum vertical resolution */ 344 u32 max_yres; /* Maximum vertical resolution */ 345}; 346 347/********************************************************************/ 348/* fixme: Maybe a modedb for the CRT ? otherwise panels should be as-is */ 349 350/* List of panels known to work with the AU1200 LCD controller. 351 * To add a new panel, enter the same specifications as the 352 * Generic_TFT one, and MAKE SURE that it doesn't conflicts 353 * with the controller restrictions. Restrictions are: 354 * 355 * STN color panels: max_bpp <= 12 356 * STN mono panels: max_bpp <= 4 357 * TFT panels: max_bpp <= 16 358 * max_xres <= 800 359 * max_yres <= 600 360 */ 361static struct panel_settings known_lcd_panels[] = 362{ 363 [0] = { /* QVGA 320x240 H:33.3kHz V:110Hz */ 364 .name = "QVGA_320x240", 365 .monspecs = { 366 .modedb = NULL, 367 .modedb_len = 0, 368 .hfmin = 30000, 369 .hfmax = 70000, 370 .vfmin = 60, 371 .vfmax = 60, 372 .dclkmin = 6000000, 373 .dclkmax = 28000000, 374 .input = FB_DISP_RGB, 375 }, 376 .mode_screen = LCD_SCREEN_SX_N(320) | 377 LCD_SCREEN_SY_N(240), 378 .mode_horztiming = 0x00c4623b, 379 .mode_verttiming = 0x00502814, 380 .mode_clkcontrol = 0x00020002, /* /4=24Mhz */ 381 .mode_pwmdiv = 0x00000000, 382 .mode_pwmhi = 0x00000000, 383 .mode_outmask = 0x00FFFFFF, 384 .mode_fifoctrl = 0x2f2f2f2f, 385 .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ 386 .mode_backlight = 0x00000000, 387 .mode_auxpll = 8, /* 96MHz AUXPLL */ 388 .device_init = NULL, 389 .device_shutdown = NULL, 390 320, 320, 391 240, 240, 392 }, 393 394 [1] = { /* VGA 640x480 H:30.3kHz V:58Hz */ 395 .name = "VGA_640x480", 396 .monspecs = { 397 .modedb = NULL, 398 .modedb_len = 0, 399 .hfmin = 30000, 400 .hfmax = 70000, 401 .vfmin = 60, 402 .vfmax = 60, 403 .dclkmin = 6000000, 404 .dclkmax = 28000000, 405 .input = FB_DISP_RGB, 406 }, 407 .mode_screen = 0x13f9df80, 408 .mode_horztiming = 0x003c5859, 409 .mode_verttiming = 0x00741201, 410 .mode_clkcontrol = 0x00020001, /* /4=24Mhz */ 411 .mode_pwmdiv = 0x00000000, 412 .mode_pwmhi = 0x00000000, 413 .mode_outmask = 0x00FFFFFF, 414 .mode_fifoctrl = 0x2f2f2f2f, 415 .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ 416 .mode_backlight = 0x00000000, 417 .mode_auxpll = 8, /* 96MHz AUXPLL */ 418 .device_init = NULL, 419 .device_shutdown = NULL, 420 640, 480, 421 640, 480, 422 }, 423 424 [2] = { /* SVGA 800x600 H:46.1kHz V:69Hz */ 425 .name = "SVGA_800x600", 426 .monspecs = { 427 .modedb = NULL, 428 .modedb_len = 0, 429 .hfmin = 30000, 430 .hfmax = 70000, 431 .vfmin = 60, 432 .vfmax = 60, 433 .dclkmin = 6000000, 434 .dclkmax = 28000000, 435 .input = FB_DISP_RGB, 436 }, 437 .mode_screen = 0x18fa5780, 438 .mode_horztiming = 0x00dc7e77, 439 .mode_verttiming = 0x00584805, 440 .mode_clkcontrol = 0x00020000, /* /2=48Mhz */ 441 .mode_pwmdiv = 0x00000000, 442 .mode_pwmhi = 0x00000000, 443 .mode_outmask = 0x00FFFFFF, 444 .mode_fifoctrl = 0x2f2f2f2f, 445 .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ 446 .mode_backlight = 0x00000000, 447 .mode_auxpll = 8, /* 96MHz AUXPLL */ 448 .device_init = NULL, 449 .device_shutdown = NULL, 450 800, 800, 451 600, 600, 452 }, 453 454 [3] = { /* XVGA 1024x768 H:56.2kHz V:70Hz */ 455 .name = "XVGA_1024x768", 456 .monspecs = { 457 .modedb = NULL, 458 .modedb_len = 0, 459 .hfmin = 30000, 460 .hfmax = 70000, 461 .vfmin = 60, 462 .vfmax = 60, 463 .dclkmin = 6000000, 464 .dclkmax = 28000000, 465 .input = FB_DISP_RGB, 466 }, 467 .mode_screen = 0x1ffaff80, 468 .mode_horztiming = 0x007d0e57, 469 .mode_verttiming = 0x00740a01, 470 .mode_clkcontrol = 0x000A0000, /* /1 */ 471 .mode_pwmdiv = 0x00000000, 472 .mode_pwmhi = 0x00000000, 473 .mode_outmask = 0x00FFFFFF, 474 .mode_fifoctrl = 0x2f2f2f2f, 475 .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ 476 .mode_backlight = 0x00000000, 477 .mode_auxpll = 6, /* 72MHz AUXPLL */ 478 .device_init = NULL, 479 .device_shutdown = NULL, 480 1024, 1024, 481 768, 768, 482 }, 483 484 [4] = { /* XVGA XVGA 1280x1024 H:68.5kHz V:65Hz */ 485 .name = "XVGA_1280x1024", 486 .monspecs = { 487 .modedb = NULL, 488 .modedb_len = 0, 489 .hfmin = 30000, 490 .hfmax = 70000, 491 .vfmin = 60, 492 .vfmax = 60, 493 .dclkmin = 6000000, 494 .dclkmax = 28000000, 495 .input = FB_DISP_RGB, 496 }, 497 .mode_screen = 0x27fbff80, 498 .mode_horztiming = 0x00cdb2c7, 499 .mode_verttiming = 0x00600002, 500 .mode_clkcontrol = 0x000A0000, /* /1 */ 501 .mode_pwmdiv = 0x00000000, 502 .mode_pwmhi = 0x00000000, 503 .mode_outmask = 0x00FFFFFF, 504 .mode_fifoctrl = 0x2f2f2f2f, 505 .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ 506 .mode_backlight = 0x00000000, 507 .mode_auxpll = 10, /* 120MHz AUXPLL */ 508 .device_init = NULL, 509 .device_shutdown = NULL, 510 1280, 1280, 511 1024, 1024, 512 }, 513 514 [5] = { /* Samsung 1024x768 TFT */ 515 .name = "Samsung_1024x768_TFT", 516 .monspecs = { 517 .modedb = NULL, 518 .modedb_len = 0, 519 .hfmin = 30000, 520 .hfmax = 70000, 521 .vfmin = 60, 522 .vfmax = 60, 523 .dclkmin = 6000000, 524 .dclkmax = 28000000, 525 .input = FB_DISP_RGB, 526 }, 527 .mode_screen = 0x1ffaff80, 528 .mode_horztiming = 0x018cc677, 529 .mode_verttiming = 0x00241217, 530 .mode_clkcontrol = 0x00000000, /* SCB 0x1 /4=24Mhz */ 531 .mode_pwmdiv = 0x8000063f, /* SCB 0x0 */ 532 .mode_pwmhi = 0x03400000, /* SCB 0x0 */ 533 .mode_outmask = 0x00FFFFFF, 534 .mode_fifoctrl = 0x2f2f2f2f, 535 .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ 536 .mode_backlight = 0x00000000, 537 .mode_auxpll = 8, /* 96MHz AUXPLL */ 538 .device_init = board_au1200fb_panel_init, 539 .device_shutdown = board_au1200fb_panel_shutdown, 540 1024, 1024, 541 768, 768, 542 }, 543 544 [6] = { /* Toshiba 640x480 TFT */ 545 .name = "Toshiba_640x480_TFT", 546 .monspecs = { 547 .modedb = NULL, 548 .modedb_len = 0, 549 .hfmin = 30000, 550 .hfmax = 70000, 551 .vfmin = 60, 552 .vfmax = 60, 553 .dclkmin = 6000000, 554 .dclkmax = 28000000, 555 .input = FB_DISP_RGB, 556 }, 557 .mode_screen = LCD_SCREEN_SX_N(640) | 558 LCD_SCREEN_SY_N(480), 559 .mode_horztiming = LCD_HORZTIMING_HPW_N(96) | 560 LCD_HORZTIMING_HND1_N(13) | LCD_HORZTIMING_HND2_N(51), 561 .mode_verttiming = LCD_VERTTIMING_VPW_N(2) | 562 LCD_VERTTIMING_VND1_N(11) | LCD_VERTTIMING_VND2_N(32), 563 .mode_clkcontrol = 0x00000000, /* /4=24Mhz */ 564 .mode_pwmdiv = 0x8000063f, 565 .mode_pwmhi = 0x03400000, 566 .mode_outmask = 0x00fcfcfc, 567 .mode_fifoctrl = 0x2f2f2f2f, 568 .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ 569 .mode_backlight = 0x00000000, 570 .mode_auxpll = 8, /* 96MHz AUXPLL */ 571 .device_init = board_au1200fb_panel_init, 572 .device_shutdown = board_au1200fb_panel_shutdown, 573 640, 480, 574 640, 480, 575 }, 576 577 [7] = { /* Sharp 320x240 TFT */ 578 .name = "Sharp_320x240_TFT", 579 .monspecs = { 580 .modedb = NULL, 581 .modedb_len = 0, 582 .hfmin = 12500, 583 .hfmax = 20000, 584 .vfmin = 38, 585 .vfmax = 81, 586 .dclkmin = 4500000, 587 .dclkmax = 6800000, 588 .input = FB_DISP_RGB, 589 }, 590 .mode_screen = LCD_SCREEN_SX_N(320) | 591 LCD_SCREEN_SY_N(240), 592 .mode_horztiming = LCD_HORZTIMING_HPW_N(60) | 593 LCD_HORZTIMING_HND1_N(13) | LCD_HORZTIMING_HND2_N(2), 594 .mode_verttiming = LCD_VERTTIMING_VPW_N(2) | 595 LCD_VERTTIMING_VND1_N(2) | LCD_VERTTIMING_VND2_N(5), 596 .mode_clkcontrol = LCD_CLKCONTROL_PCD_N(7), /*16=6Mhz*/ 597 .mode_pwmdiv = 0x8000063f, 598 .mode_pwmhi = 0x03400000, 599 .mode_outmask = 0x00fcfcfc, 600 .mode_fifoctrl = 0x2f2f2f2f, 601 .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ 602 .mode_backlight = 0x00000000, 603 .mode_auxpll = 8, /* 96MHz AUXPLL */ 604 .device_init = board_au1200fb_panel_init, 605 .device_shutdown = board_au1200fb_panel_shutdown, 606 320, 320, 607 240, 240, 608 }, 609 610 [8] = { /* Toppoly TD070WGCB2 7" 856x480 TFT */ 611 .name = "Toppoly_TD070WGCB2", 612 .monspecs = { 613 .modedb = NULL, 614 .modedb_len = 0, 615 .hfmin = 30000, 616 .hfmax = 70000, 617 .vfmin = 60, 618 .vfmax = 60, 619 .dclkmin = 6000000, 620 .dclkmax = 28000000, 621 .input = FB_DISP_RGB, 622 }, 623 .mode_screen = LCD_SCREEN_SX_N(856) | 624 LCD_SCREEN_SY_N(480), 625 .mode_horztiming = LCD_HORZTIMING_HND2_N(43) | 626 LCD_HORZTIMING_HND1_N(43) | LCD_HORZTIMING_HPW_N(114), 627 .mode_verttiming = LCD_VERTTIMING_VND2_N(20) | 628 LCD_VERTTIMING_VND1_N(21) | LCD_VERTTIMING_VPW_N(4), 629 .mode_clkcontrol = 0x00020001, /* /4=24Mhz */ 630 .mode_pwmdiv = 0x8000063f, 631 .mode_pwmhi = 0x03400000, 632 .mode_outmask = 0x00fcfcfc, 633 .mode_fifoctrl = 0x2f2f2f2f, 634 .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ 635 .mode_backlight = 0x00000000, 636 .mode_auxpll = 8, /* 96MHz AUXPLL */ 637 .device_init = board_au1200fb_panel_init, 638 .device_shutdown = board_au1200fb_panel_shutdown, 639 856, 856, 640 480, 480, 641 }, 642 [9] = { 643 .name = "DB1300_800x480", 644 .monspecs = { 645 .modedb = NULL, 646 .modedb_len = 0, 647 .hfmin = 30000, 648 .hfmax = 70000, 649 .vfmin = 60, 650 .vfmax = 60, 651 .dclkmin = 6000000, 652 .dclkmax = 28000000, 653 .input = FB_DISP_RGB, 654 }, 655 .mode_screen = LCD_SCREEN_SX_N(800) | 656 LCD_SCREEN_SY_N(480), 657 .mode_horztiming = LCD_HORZTIMING_HPW_N(5) | 658 LCD_HORZTIMING_HND1_N(16) | 659 LCD_HORZTIMING_HND2_N(8), 660 .mode_verttiming = LCD_VERTTIMING_VPW_N(4) | 661 LCD_VERTTIMING_VND1_N(8) | 662 LCD_VERTTIMING_VND2_N(5), 663 .mode_clkcontrol = LCD_CLKCONTROL_PCD_N(1) | 664 LCD_CLKCONTROL_IV | 665 LCD_CLKCONTROL_IH, 666 .mode_pwmdiv = 0x00000000, 667 .mode_pwmhi = 0x00000000, 668 .mode_outmask = 0x00FFFFFF, 669 .mode_fifoctrl = 0x2f2f2f2f, 670 .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ 671 .mode_backlight = 0x00000000, 672 .mode_auxpll = (48/12) * 2, 673 .device_init = board_au1200fb_panel_init, 674 .device_shutdown = board_au1200fb_panel_shutdown, 675 800, 800, 676 480, 480, 677 }, 678}; 679 680#define NUM_PANELS (ARRAY_SIZE(known_lcd_panels)) 681 682/********************************************************************/ 683 684static int winbpp (unsigned int winctrl1) 685{ 686 int bits = 0; 687 688 /* how many bits are needed for each pixel format */ 689 switch (winctrl1 & LCD_WINCTRL1_FRM) { 690 case LCD_WINCTRL1_FRM_1BPP: 691 bits = 1; 692 break; 693 case LCD_WINCTRL1_FRM_2BPP: 694 bits = 2; 695 break; 696 case LCD_WINCTRL1_FRM_4BPP: 697 bits = 4; 698 break; 699 case LCD_WINCTRL1_FRM_8BPP: 700 bits = 8; 701 break; 702 case LCD_WINCTRL1_FRM_12BPP: 703 case LCD_WINCTRL1_FRM_16BPP655: 704 case LCD_WINCTRL1_FRM_16BPP565: 705 case LCD_WINCTRL1_FRM_16BPP556: 706 case LCD_WINCTRL1_FRM_16BPPI1555: 707 case LCD_WINCTRL1_FRM_16BPPI5551: 708 case LCD_WINCTRL1_FRM_16BPPA1555: 709 case LCD_WINCTRL1_FRM_16BPPA5551: 710 bits = 16; 711 break; 712 case LCD_WINCTRL1_FRM_24BPP: 713 case LCD_WINCTRL1_FRM_32BPP: 714 bits = 32; 715 break; 716 } 717 718 return bits; 719} 720 721static int fbinfo2index (struct fb_info *fb_info) 722{ 723 int i; 724 725 for (i = 0; i < device_count; ++i) { 726 if (fb_info == _au1200fb_infos[i]) 727 return i; 728 } 729 printk("au1200fb: ERROR: fbinfo2index failed!\n"); 730 return -1; 731} 732 733static int au1200_setlocation (struct au1200fb_device *fbdev, int plane, 734 int xpos, int ypos) 735{ 736 uint32 winctrl0, winctrl1, winenable, fb_offset = 0; 737 int xsz, ysz; 738 739 /* FIX!!! NOT CHECKING FOR COMPLETE OFFSCREEN YET */ 740 741 winctrl0 = lcd->window[plane].winctrl0; 742 winctrl1 = lcd->window[plane].winctrl1; 743 winctrl0 &= (LCD_WINCTRL0_A | LCD_WINCTRL0_AEN); 744 winctrl1 &= ~(LCD_WINCTRL1_SZX | LCD_WINCTRL1_SZY); 745 746 /* Check for off-screen adjustments */ 747 xsz = win->w[plane].xres; 748 ysz = win->w[plane].yres; 749 if ((xpos + win->w[plane].xres) > panel->Xres) { 750 /* Off-screen to the right */ 751 xsz = panel->Xres - xpos; /* off by 1 ??? */ 752 /*printk("off screen right\n");*/ 753 } 754 755 if ((ypos + win->w[plane].yres) > panel->Yres) { 756 /* Off-screen to the bottom */ 757 ysz = panel->Yres - ypos; /* off by 1 ??? */ 758 /*printk("off screen bottom\n");*/ 759 } 760 761 if (xpos < 0) { 762 /* Off-screen to the left */ 763 xsz = win->w[plane].xres + xpos; 764 fb_offset += (((0 - xpos) * winbpp(lcd->window[plane].winctrl1))/8); 765 xpos = 0; 766 /*printk("off screen left\n");*/ 767 } 768 769 if (ypos < 0) { 770 /* Off-screen to the top */ 771 ysz = win->w[plane].yres + ypos; 772 /* fixme: fb_offset += ((0-ypos)*fb_pars[plane].line_length); */ 773 ypos = 0; 774 /*printk("off screen top\n");*/ 775 } 776 777 /* record settings */ 778 win->w[plane].xpos = xpos; 779 win->w[plane].ypos = ypos; 780 781 xsz -= 1; 782 ysz -= 1; 783 winctrl0 |= (xpos << 21); 784 winctrl0 |= (ypos << 10); 785 winctrl1 |= (xsz << 11); 786 winctrl1 |= (ysz << 0); 787 788 /* Disable the window while making changes, then restore WINEN */ 789 winenable = lcd->winenable & (1 << plane); 790 au_sync(); 791 lcd->winenable &= ~(1 << plane); 792 lcd->window[plane].winctrl0 = winctrl0; 793 lcd->window[plane].winctrl1 = winctrl1; 794 lcd->window[plane].winbuf0 = 795 lcd->window[plane].winbuf1 = fbdev->fb_phys; 796 lcd->window[plane].winbufctrl = 0; /* select winbuf0 */ 797 lcd->winenable |= winenable; 798 au_sync(); 799 800 return 0; 801} 802 803static void au1200_setpanel (struct panel_settings *newpanel) 804{ 805 /* 806 * Perform global setup/init of LCD controller 807 */ 808 uint32 winenable; 809 810 /* Make sure all windows disabled */ 811 winenable = lcd->winenable; 812 lcd->winenable = 0; 813 au_sync(); 814 /* 815 * Ensure everything is disabled before reconfiguring 816 */ 817 if (lcd->screen & LCD_SCREEN_SEN) { 818 /* Wait for vertical sync period */ 819 lcd->intstatus = LCD_INT_SS; 820 while ((lcd->intstatus & LCD_INT_SS) == 0) { 821 au_sync(); 822 } 823 824 lcd->screen &= ~LCD_SCREEN_SEN; /*disable the controller*/ 825 826 do { 827 lcd->intstatus = lcd->intstatus; /*clear interrupts*/ 828 au_sync(); 829 /*wait for controller to shut down*/ 830 } while ((lcd->intstatus & LCD_INT_SD) == 0); 831 832 /* Call shutdown of current panel (if up) */ 833 /* this must occur last, because if an external clock is driving 834 the controller, the clock cannot be turned off before first 835 shutting down the controller. 836 */ 837 if (panel->device_shutdown != NULL) 838 panel->device_shutdown(); 839 } 840 841 /* Newpanel == NULL indicates a shutdown operation only */ 842 if (newpanel == NULL) 843 return; 844 845 panel = newpanel; 846 847 printk("Panel(%s), %dx%d\n", panel->name, panel->Xres, panel->Yres); 848 849 /* 850 * Setup clocking if internal LCD clock source (assumes sys_auxpll valid) 851 */ 852 if (!(panel->mode_clkcontrol & LCD_CLKCONTROL_EXT)) 853 { 854 uint32 sys_clksrc; 855 au_writel(panel->mode_auxpll, SYS_AUXPLL); 856 sys_clksrc = au_readl(SYS_CLKSRC) & ~0x0000001f; 857 sys_clksrc |= panel->mode_toyclksrc; 858 au_writel(sys_clksrc, SYS_CLKSRC); 859 } 860 861 /* 862 * Configure panel timings 863 */ 864 lcd->screen = panel->mode_screen; 865 lcd->horztiming = panel->mode_horztiming; 866 lcd->verttiming = panel->mode_verttiming; 867 lcd->clkcontrol = panel->mode_clkcontrol; 868 lcd->pwmdiv = panel->mode_pwmdiv; 869 lcd->pwmhi = panel->mode_pwmhi; 870 lcd->outmask = panel->mode_outmask; 871 lcd->fifoctrl = panel->mode_fifoctrl; 872 au_sync(); 873 874 /* fixme: Check window settings to make sure still valid 875 * for new geometry */ 876#if 0 877 au1200_setlocation(fbdev, 0, win->w[0].xpos, win->w[0].ypos); 878 au1200_setlocation(fbdev, 1, win->w[1].xpos, win->w[1].ypos); 879 au1200_setlocation(fbdev, 2, win->w[2].xpos, win->w[2].ypos); 880 au1200_setlocation(fbdev, 3, win->w[3].xpos, win->w[3].ypos); 881#endif 882 lcd->winenable = winenable; 883 884 /* 885 * Re-enable screen now that it is configured 886 */ 887 lcd->screen |= LCD_SCREEN_SEN; 888 au_sync(); 889 890 /* Call init of panel */ 891 if (panel->device_init != NULL) panel->device_init(); 892 893 /* FIX!!!! not appropriate on panel change!!! Global setup/init */ 894 lcd->intenable = 0; 895 lcd->intstatus = ~0; 896 lcd->backcolor = win->mode_backcolor; 897 898 /* Setup Color Key - FIX!!! */ 899 lcd->colorkey = win->mode_colorkey; 900 lcd->colorkeymsk = win->mode_colorkeymsk; 901 902 /* Setup HWCursor - FIX!!! Need to support this eventually */ 903 lcd->hwc.cursorctrl = 0; 904 lcd->hwc.cursorpos = 0; 905 lcd->hwc.cursorcolor0 = 0; 906 lcd->hwc.cursorcolor1 = 0; 907 lcd->hwc.cursorcolor2 = 0; 908 lcd->hwc.cursorcolor3 = 0; 909 910 911#if 0 912#define D(X) printk("%25s: %08X\n", #X, X) 913 D(lcd->screen); 914 D(lcd->horztiming); 915 D(lcd->verttiming); 916 D(lcd->clkcontrol); 917 D(lcd->pwmdiv); 918 D(lcd->pwmhi); 919 D(lcd->outmask); 920 D(lcd->fifoctrl); 921 D(lcd->window[0].winctrl0); 922 D(lcd->window[0].winctrl1); 923 D(lcd->window[0].winctrl2); 924 D(lcd->window[0].winbuf0); 925 D(lcd->window[0].winbuf1); 926 D(lcd->window[0].winbufctrl); 927 D(lcd->window[1].winctrl0); 928 D(lcd->window[1].winctrl1); 929 D(lcd->window[1].winctrl2); 930 D(lcd->window[1].winbuf0); 931 D(lcd->window[1].winbuf1); 932 D(lcd->window[1].winbufctrl); 933 D(lcd->window[2].winctrl0); 934 D(lcd->window[2].winctrl1); 935 D(lcd->window[2].winctrl2); 936 D(lcd->window[2].winbuf0); 937 D(lcd->window[2].winbuf1); 938 D(lcd->window[2].winbufctrl); 939 D(lcd->window[3].winctrl0); 940 D(lcd->window[3].winctrl1); 941 D(lcd->window[3].winctrl2); 942 D(lcd->window[3].winbuf0); 943 D(lcd->window[3].winbuf1); 944 D(lcd->window[3].winbufctrl); 945 D(lcd->winenable); 946 D(lcd->intenable); 947 D(lcd->intstatus); 948 D(lcd->backcolor); 949 D(lcd->winenable); 950 D(lcd->colorkey); 951 D(lcd->colorkeymsk); 952 D(lcd->hwc.cursorctrl); 953 D(lcd->hwc.cursorpos); 954 D(lcd->hwc.cursorcolor0); 955 D(lcd->hwc.cursorcolor1); 956 D(lcd->hwc.cursorcolor2); 957 D(lcd->hwc.cursorcolor3); 958#endif 959} 960 961static void au1200_setmode(struct au1200fb_device *fbdev) 962{ 963 int plane = fbdev->plane; 964 /* Window/plane setup */ 965 lcd->window[plane].winctrl1 = ( 0 966 | LCD_WINCTRL1_PRI_N(plane) 967 | win->w[plane].mode_winctrl1 /* FRM,CCO,PO,PIPE */ 968 ) ; 969 970 au1200_setlocation(fbdev, plane, win->w[plane].xpos, win->w[plane].ypos); 971 972 lcd->window[plane].winctrl2 = ( 0 973 | LCD_WINCTRL2_CKMODE_00 974 | LCD_WINCTRL2_DBM 975 | LCD_WINCTRL2_BX_N(fbdev->fb_info->fix.line_length) 976 | LCD_WINCTRL2_SCX_1 977 | LCD_WINCTRL2_SCY_1 978 ) ; 979 lcd->winenable |= win->w[plane].mode_winenable; 980 au_sync(); 981} 982 983 984/* Inline helpers */ 985 986/*#define panel_is_dual(panel) ((panel->mode_screen & LCD_SCREEN_PT) == LCD_SCREEN_PT_010)*/ 987/*#define panel_is_active(panel)((panel->mode_screen & LCD_SCREEN_PT) == LCD_SCREEN_PT_010)*/ 988 989#define panel_is_color(panel) ((panel->mode_screen & LCD_SCREEN_PT) <= LCD_SCREEN_PT_CDSTN) 990 991/* Bitfields format supported by the controller. */ 992static struct fb_bitfield rgb_bitfields[][4] = { 993 /* Red, Green, Blue, Transp */ 994 [LCD_WINCTRL1_FRM_16BPP655 >> 25] = 995 { { 10, 6, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 0, 0, 0 } }, 996 997 [LCD_WINCTRL1_FRM_16BPP565 >> 25] = 998 { { 11, 5, 0 }, { 5, 6, 0 }, { 0, 5, 0 }, { 0, 0, 0 } }, 999 1000 [LCD_WINCTRL1_FRM_16BPP556 >> 25] = 1001 { { 11, 5, 0 }, { 6, 5, 0 }, { 0, 6, 0 }, { 0, 0, 0 } }, 1002 1003 [LCD_WINCTRL1_FRM_16BPPI1555 >> 25] = 1004 { { 10, 5, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 0, 0, 0 } }, 1005 1006 [LCD_WINCTRL1_FRM_16BPPI5551 >> 25] = 1007 { { 11, 5, 0 }, { 6, 5, 0 }, { 1, 5, 0 }, { 0, 0, 0 } }, 1008 1009 [LCD_WINCTRL1_FRM_16BPPA1555 >> 25] = 1010 { { 10, 5, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 15, 1, 0 } }, 1011 1012 [LCD_WINCTRL1_FRM_16BPPA5551 >> 25] = 1013 { { 11, 5, 0 }, { 6, 5, 0 }, { 1, 5, 0 }, { 0, 1, 0 } }, 1014 1015 [LCD_WINCTRL1_FRM_24BPP >> 25] = 1016 { { 16, 8, 0 }, { 8, 8, 0 }, { 0, 8, 0 }, { 0, 0, 0 } }, 1017 1018 [LCD_WINCTRL1_FRM_32BPP >> 25] = 1019 { { 16, 8, 0 }, { 8, 8, 0 }, { 0, 8, 0 }, { 24, 0, 0 } }, 1020}; 1021 1022/*-------------------------------------------------------------------------*/ 1023 1024/* Helpers */ 1025 1026static void au1200fb_update_fbinfo(struct fb_info *fbi) 1027{ 1028 /* FIX!!!! This also needs to take the window pixel format into account!!! */ 1029 1030 /* Update var-dependent FB info */ 1031 if (panel_is_color(panel)) { 1032 if (fbi->var.bits_per_pixel <= 8) { 1033 /* palettized */ 1034 fbi->fix.visual = FB_VISUAL_PSEUDOCOLOR; 1035 fbi->fix.line_length = fbi->var.xres_virtual / 1036 (8/fbi->var.bits_per_pixel); 1037 } else { 1038 /* non-palettized */ 1039 fbi->fix.visual = FB_VISUAL_TRUECOLOR; 1040 fbi->fix.line_length = fbi->var.xres_virtual * (fbi->var.bits_per_pixel / 8); 1041 } 1042 } else { 1043 /* mono FIX!!! mono 8 and 4 bits */ 1044 fbi->fix.visual = FB_VISUAL_MONO10; 1045 fbi->fix.line_length = fbi->var.xres_virtual / 8; 1046 } 1047 1048 fbi->screen_size = fbi->fix.line_length * fbi->var.yres_virtual; 1049 print_dbg("line length: %d\n", fbi->fix.line_length); 1050 print_dbg("bits_per_pixel: %d\n", fbi->var.bits_per_pixel); 1051} 1052 1053/*-------------------------------------------------------------------------*/ 1054 1055/* AU1200 framebuffer driver */ 1056 1057/* fb_check_var 1058 * Validate var settings with hardware restrictions and modify it if necessary 1059 */ 1060static int au1200fb_fb_check_var(struct fb_var_screeninfo *var, 1061 struct fb_info *fbi) 1062{ 1063 struct au1200fb_device *fbdev = fbi->par; 1064 u32 pixclock; 1065 int screen_size, plane; 1066 1067 plane = fbdev->plane; 1068 1069 /* Make sure that the mode respect all LCD controller and 1070 * panel restrictions. */ 1071 var->xres = win->w[plane].xres; 1072 var->yres = win->w[plane].yres; 1073 1074 /* No need for virtual resolution support */ 1075 var->xres_virtual = var->xres; 1076 var->yres_virtual = var->yres; 1077 1078 var->bits_per_pixel = winbpp(win->w[plane].mode_winctrl1); 1079 1080 screen_size = var->xres_virtual * var->yres_virtual; 1081 if (var->bits_per_pixel > 8) screen_size *= (var->bits_per_pixel / 8); 1082 else screen_size /= (8/var->bits_per_pixel); 1083 1084 if (fbdev->fb_len < screen_size) 1085 return -EINVAL; /* Virtual screen is to big, abort */ 1086 1087 /* FIX!!!! what are the implicaitons of ignoring this for windows ??? */ 1088 /* The max LCD clock is fixed to 48MHz (value of AUX_CLK). The pixel 1089 * clock can only be obtain by dividing this value by an even integer. 1090 * Fallback to a slower pixel clock if necessary. */ 1091 pixclock = max((u32)(PICOS2KHZ(var->pixclock) * 1000), fbi->monspecs.dclkmin); 1092 pixclock = min3(pixclock, fbi->monspecs.dclkmax, (u32)AU1200_LCD_MAX_CLK/2); 1093 1094 if (AU1200_LCD_MAX_CLK % pixclock) { 1095 int diff = AU1200_LCD_MAX_CLK % pixclock; 1096 pixclock -= diff; 1097 } 1098 1099 var->pixclock = KHZ2PICOS(pixclock/1000); 1100#if 0 1101 if (!panel_is_active(panel)) { 1102 int pcd = AU1200_LCD_MAX_CLK / (pixclock * 2) - 1; 1103 1104 if (!panel_is_color(panel) 1105 && (panel->control_base & LCD_CONTROL_MPI) && (pcd < 3)) { 1106 /* STN 8bit mono panel support is up to 6MHz pixclock */ 1107 var->pixclock = KHZ2PICOS(6000); 1108 } else if (!pcd) { 1109 /* Other STN panel support is up to 12MHz */ 1110 var->pixclock = KHZ2PICOS(12000); 1111 } 1112 } 1113#endif 1114 /* Set bitfield accordingly */ 1115 switch (var->bits_per_pixel) { 1116 case 16: 1117 { 1118 /* 16bpp True color. 1119 * These must be set to MATCH WINCTRL[FORM] */ 1120 int idx; 1121 idx = (win->w[0].mode_winctrl1 & LCD_WINCTRL1_FRM) >> 25; 1122 var->red = rgb_bitfields[idx][0]; 1123 var->green = rgb_bitfields[idx][1]; 1124 var->blue = rgb_bitfields[idx][2]; 1125 var->transp = rgb_bitfields[idx][3]; 1126 break; 1127 } 1128 1129 case 32: 1130 { 1131 /* 32bpp True color. 1132 * These must be set to MATCH WINCTRL[FORM] */ 1133 int idx; 1134 idx = (win->w[0].mode_winctrl1 & LCD_WINCTRL1_FRM) >> 25; 1135 var->red = rgb_bitfields[idx][0]; 1136 var->green = rgb_bitfields[idx][1]; 1137 var->blue = rgb_bitfields[idx][2]; 1138 var->transp = rgb_bitfields[idx][3]; 1139 break; 1140 } 1141 default: 1142 print_dbg("Unsupported depth %dbpp", var->bits_per_pixel); 1143 return -EINVAL; 1144 } 1145 1146 return 0; 1147} 1148 1149/* fb_set_par 1150 * Set hardware with var settings. This will enable the controller with a 1151 * specific mode, normally validated with the fb_check_var method 1152 */ 1153static int au1200fb_fb_set_par(struct fb_info *fbi) 1154{ 1155 struct au1200fb_device *fbdev = fbi->par; 1156 1157 au1200fb_update_fbinfo(fbi); 1158 au1200_setmode(fbdev); 1159 1160 return 0; 1161} 1162 1163/* fb_setcolreg 1164 * Set color in LCD palette. 1165 */ 1166static int au1200fb_fb_setcolreg(unsigned regno, unsigned red, unsigned green, 1167 unsigned blue, unsigned transp, struct fb_info *fbi) 1168{ 1169 volatile u32 *palette = lcd->palette; 1170 u32 value; 1171 1172 if (regno > (AU1200_LCD_NBR_PALETTE_ENTRIES - 1)) 1173 return -EINVAL; 1174 1175 if (fbi->var.grayscale) { 1176 /* Convert color to grayscale */ 1177 red = green = blue = 1178 (19595 * red + 38470 * green + 7471 * blue) >> 16; 1179 } 1180 1181 if (fbi->fix.visual == FB_VISUAL_TRUECOLOR) { 1182 /* Place color in the pseudopalette */ 1183 if (regno > 16) 1184 return -EINVAL; 1185 1186 palette = (u32*) fbi->pseudo_palette; 1187 1188 red >>= (16 - fbi->var.red.length); 1189 green >>= (16 - fbi->var.green.length); 1190 blue >>= (16 - fbi->var.blue.length); 1191 1192 value = (red << fbi->var.red.offset) | 1193 (green << fbi->var.green.offset)| 1194 (blue << fbi->var.blue.offset); 1195 value &= 0xFFFF; 1196 1197 } else if (1 /*FIX!!! panel_is_active(fbdev->panel)*/) { 1198 /* COLOR TFT PALLETTIZED (use RGB 565) */ 1199 value = (red & 0xF800)|((green >> 5) & 1200 0x07E0)|((blue >> 11) & 0x001F); 1201 value &= 0xFFFF; 1202 1203 } else if (0 /*panel_is_color(fbdev->panel)*/) { 1204 /* COLOR STN MODE */ 1205 value = 0x1234; 1206 value &= 0xFFF; 1207 } else { 1208 /* MONOCHROME MODE */ 1209 value = (green >> 12) & 0x000F; 1210 value &= 0xF; 1211 } 1212 1213 palette[regno] = value; 1214 1215 return 0; 1216} 1217 1218/* fb_blank 1219 * Blank the screen. Depending on the mode, the screen will be 1220 * activated with the backlight color, or desactivated 1221 */ 1222static int au1200fb_fb_blank(int blank_mode, struct fb_info *fbi) 1223{ 1224 /* Short-circuit screen blanking */ 1225 if (noblanking) 1226 return 0; 1227 1228 switch (blank_mode) { 1229 1230 case FB_BLANK_UNBLANK: 1231 case FB_BLANK_NORMAL: 1232 /* printk("turn on panel\n"); */ 1233 au1200_setpanel(panel); 1234 break; 1235 case FB_BLANK_VSYNC_SUSPEND: 1236 case FB_BLANK_HSYNC_SUSPEND: 1237 case FB_BLANK_POWERDOWN: 1238 /* printk("turn off panel\n"); */ 1239 au1200_setpanel(NULL); 1240 break; 1241 default: 1242 break; 1243 1244 } 1245 1246 /* FB_BLANK_NORMAL is a soft blank */ 1247 return (blank_mode == FB_BLANK_NORMAL) ? -EINVAL : 0; 1248} 1249 1250/* fb_mmap 1251 * Map video memory in user space. We don't use the generic fb_mmap 1252 * method mainly to allow the use of the TLB streaming flag (CCA=6) 1253 */ 1254static int au1200fb_fb_mmap(struct fb_info *info, struct vm_area_struct *vma) 1255 1256{ 1257 unsigned int len; 1258 unsigned long start=0, off; 1259 struct au1200fb_device *fbdev = info->par; 1260 1261 if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) { 1262 return -EINVAL; 1263 } 1264 1265 start = fbdev->fb_phys & PAGE_MASK; 1266 len = PAGE_ALIGN((start & ~PAGE_MASK) + fbdev->fb_len); 1267 1268 off = vma->vm_pgoff << PAGE_SHIFT; 1269 1270 if ((vma->vm_end - vma->vm_start + off) > len) { 1271 return -EINVAL; 1272 } 1273 1274 off += start; 1275 vma->vm_pgoff = off >> PAGE_SHIFT; 1276 1277 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); 1278 pgprot_val(vma->vm_page_prot) |= _CACHE_MASK; /* CCA=7 */ 1279 1280 vma->vm_flags |= VM_IO; 1281 1282 return io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT, 1283 vma->vm_end - vma->vm_start, 1284 vma->vm_page_prot); 1285 1286 return 0; 1287} 1288 1289static void set_global(u_int cmd, struct au1200_lcd_global_regs_t *pdata) 1290{ 1291 1292 unsigned int hi1, divider; 1293 1294 /* SCREEN_SIZE: user cannot reset size, must switch panel choice */ 1295 1296 if (pdata->flags & SCREEN_BACKCOLOR) 1297 lcd->backcolor = pdata->backcolor; 1298 1299 if (pdata->flags & SCREEN_BRIGHTNESS) { 1300 1301 // limit brightness pwm duty to >= 30/1600 1302 if (pdata->brightness < 30) { 1303 pdata->brightness = 30; 1304 } 1305 divider = (lcd->pwmdiv & 0x3FFFF) + 1; 1306 hi1 = (lcd->pwmhi >> 16) + 1; 1307 hi1 = (((pdata->brightness & 0xFF)+1) * divider >> 8); 1308 lcd->pwmhi &= 0xFFFF; 1309 lcd->pwmhi |= (hi1 << 16); 1310 } 1311 1312 if (pdata->flags & SCREEN_COLORKEY) 1313 lcd->colorkey = pdata->colorkey; 1314 1315 if (pdata->flags & SCREEN_MASK) 1316 lcd->colorkeymsk = pdata->mask; 1317 au_sync(); 1318} 1319 1320static void get_global(u_int cmd, struct au1200_lcd_global_regs_t *pdata) 1321{ 1322 unsigned int hi1, divider; 1323 1324 pdata->xsize = ((lcd->screen & LCD_SCREEN_SX) >> 19) + 1; 1325 pdata->ysize = ((lcd->screen & LCD_SCREEN_SY) >> 8) + 1; 1326 1327 pdata->backcolor = lcd->backcolor; 1328 pdata->colorkey = lcd->colorkey; 1329 pdata->mask = lcd->colorkeymsk; 1330 1331 // brightness 1332 hi1 = (lcd->pwmhi >> 16) + 1; 1333 divider = (lcd->pwmdiv & 0x3FFFF) + 1; 1334 pdata->brightness = ((hi1 << 8) / divider) - 1; 1335 au_sync(); 1336} 1337 1338static void set_window(unsigned int plane, 1339 struct au1200_lcd_window_regs_t *pdata) 1340{ 1341 unsigned int val, bpp; 1342 1343 /* Window control register 0 */ 1344 if (pdata->flags & WIN_POSITION) { 1345 val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_OX | 1346 LCD_WINCTRL0_OY); 1347 val |= ((pdata->xpos << 21) & LCD_WINCTRL0_OX); 1348 val |= ((pdata->ypos << 10) & LCD_WINCTRL0_OY); 1349 lcd->window[plane].winctrl0 = val; 1350 } 1351 if (pdata->flags & WIN_ALPHA_COLOR) { 1352 val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_A); 1353 val |= ((pdata->alpha_color << 2) & LCD_WINCTRL0_A); 1354 lcd->window[plane].winctrl0 = val; 1355 } 1356 if (pdata->flags & WIN_ALPHA_MODE) { 1357 val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_AEN); 1358 val |= ((pdata->alpha_mode << 1) & LCD_WINCTRL0_AEN); 1359 lcd->window[plane].winctrl0 = val; 1360 } 1361 1362 /* Window control register 1 */ 1363 if (pdata->flags & WIN_PRIORITY) { 1364 val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PRI); 1365 val |= ((pdata->priority << 30) & LCD_WINCTRL1_PRI); 1366 lcd->window[plane].winctrl1 = val; 1367 } 1368 if (pdata->flags & WIN_CHANNEL) { 1369 val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PIPE); 1370 val |= ((pdata->channel << 29) & LCD_WINCTRL1_PIPE); 1371 lcd->window[plane].winctrl1 = val; 1372 } 1373 if (pdata->flags & WIN_BUFFER_FORMAT) { 1374 val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_FRM); 1375 val |= ((pdata->buffer_format << 25) & LCD_WINCTRL1_FRM); 1376 lcd->window[plane].winctrl1 = val; 1377 } 1378 if (pdata->flags & WIN_COLOR_ORDER) { 1379 val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_CCO); 1380 val |= ((pdata->color_order << 24) & LCD_WINCTRL1_CCO); 1381 lcd->window[plane].winctrl1 = val; 1382 } 1383 if (pdata->flags & WIN_PIXEL_ORDER) { 1384 val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PO); 1385 val |= ((pdata->pixel_order << 22) & LCD_WINCTRL1_PO); 1386 lcd->window[plane].winctrl1 = val; 1387 } 1388 if (pdata->flags & WIN_SIZE) { 1389 val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_SZX | 1390 LCD_WINCTRL1_SZY); 1391 val |= (((pdata->xsize << 11) - 1) & LCD_WINCTRL1_SZX); 1392 val |= (((pdata->ysize) - 1) & LCD_WINCTRL1_SZY); 1393 lcd->window[plane].winctrl1 = val; 1394 /* program buffer line width */ 1395 bpp = winbpp(val) / 8; 1396 val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_BX); 1397 val |= (((pdata->xsize * bpp) << 8) & LCD_WINCTRL2_BX); 1398 lcd->window[plane].winctrl2 = val; 1399 } 1400 1401 /* Window control register 2 */ 1402 if (pdata->flags & WIN_COLORKEY_MODE) { 1403 val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_CKMODE); 1404 val |= ((pdata->colorkey_mode << 24) & LCD_WINCTRL2_CKMODE); 1405 lcd->window[plane].winctrl2 = val; 1406 } 1407 if (pdata->flags & WIN_DOUBLE_BUFFER_MODE) { 1408 val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_DBM); 1409 val |= ((pdata->double_buffer_mode << 23) & LCD_WINCTRL2_DBM); 1410 lcd->window[plane].winctrl2 = val; 1411 } 1412 if (pdata->flags & WIN_RAM_ARRAY_MODE) { 1413 val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_RAM); 1414 val |= ((pdata->ram_array_mode << 21) & LCD_WINCTRL2_RAM); 1415 lcd->window[plane].winctrl2 = val; 1416 } 1417 1418 /* Buffer line width programmed with WIN_SIZE */ 1419 1420 if (pdata->flags & WIN_BUFFER_SCALE) { 1421 val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_SCX | 1422 LCD_WINCTRL2_SCY); 1423 val |= ((pdata->xsize << 11) & LCD_WINCTRL2_SCX); 1424 val |= ((pdata->ysize) & LCD_WINCTRL2_SCY); 1425 lcd->window[plane].winctrl2 = val; 1426 } 1427 1428 if (pdata->flags & WIN_ENABLE) { 1429 val = lcd->winenable; 1430 val &= ~(1<<plane); 1431 val |= (pdata->enable & 1) << plane; 1432 lcd->winenable = val; 1433 } 1434 au_sync(); 1435} 1436 1437static void get_window(unsigned int plane, 1438 struct au1200_lcd_window_regs_t *pdata) 1439{ 1440 /* Window control register 0 */ 1441 pdata->xpos = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_OX) >> 21; 1442 pdata->ypos = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_OY) >> 10; 1443 pdata->alpha_color = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_A) >> 2; 1444 pdata->alpha_mode = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_AEN) >> 1; 1445 1446 /* Window control register 1 */ 1447 pdata->priority = (lcd->window[plane].winctrl1& LCD_WINCTRL1_PRI) >> 30; 1448 pdata->channel = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_PIPE) >> 29; 1449 pdata->buffer_format = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_FRM) >> 25; 1450 pdata->color_order = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_CCO) >> 24; 1451 pdata->pixel_order = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_PO) >> 22; 1452 pdata->xsize = ((lcd->window[plane].winctrl1 & LCD_WINCTRL1_SZX) >> 11) + 1; 1453 pdata->ysize = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_SZY) + 1; 1454 1455 /* Window control register 2 */ 1456 pdata->colorkey_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_CKMODE) >> 24; 1457 pdata->double_buffer_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_DBM) >> 23; 1458 pdata->ram_array_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_RAM) >> 21; 1459 1460 pdata->enable = (lcd->winenable >> plane) & 1; 1461 au_sync(); 1462} 1463 1464static int au1200fb_ioctl(struct fb_info *info, unsigned int cmd, 1465 unsigned long arg) 1466{ 1467 int plane; 1468 int val; 1469 1470 plane = fbinfo2index(info); 1471 print_dbg("au1200fb: ioctl %d on plane %d\n", cmd, plane); 1472 1473 if (cmd == AU1200_LCD_FB_IOCTL) { 1474 struct au1200_lcd_iodata_t iodata; 1475 1476 if (copy_from_user(&iodata, (void __user *) arg, sizeof(iodata))) 1477 return -EFAULT; 1478 1479 print_dbg("FB IOCTL called\n"); 1480 1481 switch (iodata.subcmd) { 1482 case AU1200_LCD_SET_SCREEN: 1483 print_dbg("AU1200_LCD_SET_SCREEN\n"); 1484 set_global(cmd, &iodata.global); 1485 break; 1486 1487 case AU1200_LCD_GET_SCREEN: 1488 print_dbg("AU1200_LCD_GET_SCREEN\n"); 1489 get_global(cmd, &iodata.global); 1490 break; 1491 1492 case AU1200_LCD_SET_WINDOW: 1493 print_dbg("AU1200_LCD_SET_WINDOW\n"); 1494 set_window(plane, &iodata.window); 1495 break; 1496 1497 case AU1200_LCD_GET_WINDOW: 1498 print_dbg("AU1200_LCD_GET_WINDOW\n"); 1499 get_window(plane, &iodata.window); 1500 break; 1501 1502 case AU1200_LCD_SET_PANEL: 1503 print_dbg("AU1200_LCD_SET_PANEL\n"); 1504 if ((iodata.global.panel_choice >= 0) && 1505 (iodata.global.panel_choice < 1506 NUM_PANELS)) 1507 { 1508 struct panel_settings *newpanel; 1509 panel_index = iodata.global.panel_choice; 1510 newpanel = &known_lcd_panels[panel_index]; 1511 au1200_setpanel(newpanel); 1512 } 1513 break; 1514 1515 case AU1200_LCD_GET_PANEL: 1516 print_dbg("AU1200_LCD_GET_PANEL\n"); 1517 iodata.global.panel_choice = panel_index; 1518 break; 1519 1520 default: 1521 return -EINVAL; 1522 } 1523 1524 val = copy_to_user((void __user *) arg, &iodata, sizeof(iodata)); 1525 if (val) { 1526 print_dbg("error: could not copy %d bytes\n", val); 1527 return -EFAULT; 1528 } 1529 } 1530 1531 return 0; 1532} 1533 1534 1535static struct fb_ops au1200fb_fb_ops = { 1536 .owner = THIS_MODULE, 1537 .fb_check_var = au1200fb_fb_check_var, 1538 .fb_set_par = au1200fb_fb_set_par, 1539 .fb_setcolreg = au1200fb_fb_setcolreg, 1540 .fb_blank = au1200fb_fb_blank, 1541 .fb_fillrect = sys_fillrect, 1542 .fb_copyarea = sys_copyarea, 1543 .fb_imageblit = sys_imageblit, 1544 .fb_read = fb_sys_read, 1545 .fb_write = fb_sys_write, 1546 .fb_sync = NULL, 1547 .fb_ioctl = au1200fb_ioctl, 1548 .fb_mmap = au1200fb_fb_mmap, 1549}; 1550 1551/*-------------------------------------------------------------------------*/ 1552 1553static irqreturn_t au1200fb_handle_irq(int irq, void* dev_id) 1554{ 1555 /* Nothing to do for now, just clear any pending interrupt */ 1556 lcd->intstatus = lcd->intstatus; 1557 au_sync(); 1558 1559 return IRQ_HANDLED; 1560} 1561 1562/*-------------------------------------------------------------------------*/ 1563 1564/* AU1200 LCD device probe helpers */ 1565 1566static int au1200fb_init_fbinfo(struct au1200fb_device *fbdev) 1567{ 1568 struct fb_info *fbi = fbdev->fb_info; 1569 int bpp; 1570 1571 fbi->fbops = &au1200fb_fb_ops; 1572 1573 bpp = winbpp(win->w[fbdev->plane].mode_winctrl1); 1574 1575 /* Copy monitor specs from panel data */ 1576 /* fixme: we're setting up LCD controller windows, so these dont give a 1577 damn as to what the monitor specs are (the panel itself does, but that 1578 isn't done here...so maybe need a generic catchall monitor setting??? */ 1579 memcpy(&fbi->monspecs, &panel->monspecs, sizeof(struct fb_monspecs)); 1580 1581 /* We first try the user mode passed in argument. If that failed, 1582 * or if no one has been specified, we default to the first mode of the 1583 * panel list. Note that after this call, var data will be set */ 1584 if (!fb_find_mode(&fbi->var, 1585 fbi, 1586 NULL, /* drv_info.opt_mode, */ 1587 fbi->monspecs.modedb, 1588 fbi->monspecs.modedb_len, 1589 fbi->monspecs.modedb, 1590 bpp)) { 1591 1592 print_err("Cannot find valid mode for panel %s", panel->name); 1593 return -EFAULT; 1594 } 1595 1596 fbi->pseudo_palette = kcalloc(16, sizeof(u32), GFP_KERNEL); 1597 if (!fbi->pseudo_palette) { 1598 return -ENOMEM; 1599 } 1600 1601 if (fb_alloc_cmap(&fbi->cmap, AU1200_LCD_NBR_PALETTE_ENTRIES, 0) < 0) { 1602 print_err("Fail to allocate colormap (%d entries)", 1603 AU1200_LCD_NBR_PALETTE_ENTRIES); 1604 kfree(fbi->pseudo_palette); 1605 return -EFAULT; 1606 } 1607 1608 strncpy(fbi->fix.id, "AU1200", sizeof(fbi->fix.id)); 1609 fbi->fix.smem_start = fbdev->fb_phys; 1610 fbi->fix.smem_len = fbdev->fb_len; 1611 fbi->fix.type = FB_TYPE_PACKED_PIXELS; 1612 fbi->fix.xpanstep = 0; 1613 fbi->fix.ypanstep = 0; 1614 fbi->fix.mmio_start = 0; 1615 fbi->fix.mmio_len = 0; 1616 fbi->fix.accel = FB_ACCEL_NONE; 1617 1618 fbi->screen_base = (char __iomem *) fbdev->fb_mem; 1619 1620 au1200fb_update_fbinfo(fbi); 1621 1622 return 0; 1623} 1624 1625/*-------------------------------------------------------------------------*/ 1626 1627/* AU1200 LCD controller device driver */ 1628 1629static int __devinit au1200fb_drv_probe(struct platform_device *dev) 1630{ 1631 struct au1200fb_device *fbdev; 1632 struct fb_info *fbi = NULL; 1633 unsigned long page; 1634 int bpp, plane, ret, irq; 1635 1636 /* shut gcc up */ 1637 ret = 0; 1638 fbdev = NULL; 1639 1640 /* Kickstart the panel */ 1641 au1200_setpanel(panel); 1642 1643 for (plane = 0; plane < device_count; ++plane) { 1644 bpp = winbpp(win->w[plane].mode_winctrl1); 1645 if (win->w[plane].xres == 0) 1646 win->w[plane].xres = panel->Xres; 1647 if (win->w[plane].yres == 0) 1648 win->w[plane].yres = panel->Yres; 1649 1650 fbi = framebuffer_alloc(sizeof(struct au1200fb_device), 1651 &dev->dev); 1652 if (!fbi) 1653 goto failed; 1654 1655 _au1200fb_infos[plane] = fbi; 1656 fbdev = fbi->par; 1657 fbdev->fb_info = fbi; 1658 1659 fbdev->plane = plane; 1660 1661 /* Allocate the framebuffer to the maximum screen size */ 1662 fbdev->fb_len = (win->w[plane].xres * win->w[plane].yres * bpp) / 8; 1663 1664 fbdev->fb_mem = dma_alloc_noncoherent(&dev->dev, 1665 PAGE_ALIGN(fbdev->fb_len), 1666 &fbdev->fb_phys, GFP_KERNEL); 1667 if (!fbdev->fb_mem) { 1668 print_err("fail to allocate frambuffer (size: %dK))", 1669 fbdev->fb_len / 1024); 1670 return -ENOMEM; 1671 } 1672 1673 /* 1674 * Set page reserved so that mmap will work. This is necessary 1675 * since we'll be remapping normal memory. 1676 */ 1677 for (page = (unsigned long)fbdev->fb_phys; 1678 page < PAGE_ALIGN((unsigned long)fbdev->fb_phys + 1679 fbdev->fb_len); 1680 page += PAGE_SIZE) { 1681 SetPageReserved(pfn_to_page(page >> PAGE_SHIFT)); /* LCD DMA is NOT coherent on Au1200 */ 1682 } 1683 print_dbg("Framebuffer memory map at %p", fbdev->fb_mem); 1684 print_dbg("phys=0x%08x, size=%dK", fbdev->fb_phys, fbdev->fb_len / 1024); 1685 1686 /* Init FB data */ 1687 if ((ret = au1200fb_init_fbinfo(fbdev)) < 0) 1688 goto failed; 1689 1690 /* Register new framebuffer */ 1691 ret = register_framebuffer(fbi); 1692 if (ret < 0) { 1693 print_err("cannot register new framebuffer"); 1694 goto failed; 1695 } 1696 1697 au1200fb_fb_set_par(fbi); 1698 1699#if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO) 1700 if (plane == 0) 1701 if (fb_prepare_logo(fbi, FB_ROTATE_UR)) { 1702 /* Start display and show logo on boot */ 1703 fb_set_cmap(&fbi->cmap, fbi); 1704 fb_show_logo(fbi, FB_ROTATE_UR); 1705 } 1706#endif 1707 } 1708 1709 /* Now hook interrupt too */ 1710 irq = platform_get_irq(dev, 0); 1711 ret = request_irq(irq, au1200fb_handle_irq, 1712 IRQF_SHARED, "lcd", (void *)dev); 1713 if (ret) { 1714 print_err("fail to request interrupt line %d (err: %d)", 1715 irq, ret); 1716 goto failed; 1717 } 1718 1719 return 0; 1720 1721failed: 1722 /* NOTE: This only does the current plane/window that failed; others are still active */ 1723 if (fbdev->fb_mem) 1724 dma_free_noncoherent(&dev->dev, PAGE_ALIGN(fbdev->fb_len), 1725 fbdev->fb_mem, fbdev->fb_phys); 1726 if (fbi) { 1727 if (fbi->cmap.len != 0) 1728 fb_dealloc_cmap(&fbi->cmap); 1729 kfree(fbi->pseudo_palette); 1730 } 1731 if (plane == 0) 1732 free_irq(AU1200_LCD_INT, (void*)dev); 1733 return ret; 1734} 1735 1736static int __devexit au1200fb_drv_remove(struct platform_device *dev) 1737{ 1738 struct au1200fb_device *fbdev; 1739 struct fb_info *fbi; 1740 int plane; 1741 1742 /* Turn off the panel */ 1743 au1200_setpanel(NULL); 1744 1745 for (plane = 0; plane < device_count; ++plane) { 1746 fbi = _au1200fb_infos[plane]; 1747 fbdev = fbi->par; 1748 1749 /* Clean up all probe data */ 1750 unregister_framebuffer(fbi); 1751 if (fbdev->fb_mem) 1752 dma_free_noncoherent(&dev->dev, 1753 PAGE_ALIGN(fbdev->fb_len), 1754 fbdev->fb_mem, fbdev->fb_phys); 1755 if (fbi->cmap.len != 0) 1756 fb_dealloc_cmap(&fbi->cmap); 1757 kfree(fbi->pseudo_palette); 1758 1759 framebuffer_release(fbi); 1760 _au1200fb_infos[plane] = NULL; 1761 } 1762 1763 free_irq(platform_get_irq(dev, 0), (void *)dev); 1764 1765 return 0; 1766} 1767 1768#ifdef CONFIG_PM 1769static int au1200fb_drv_suspend(struct device *dev) 1770{ 1771 au1200_setpanel(NULL); 1772 1773 lcd->outmask = 0; 1774 au_sync(); 1775 1776 return 0; 1777} 1778 1779static int au1200fb_drv_resume(struct device *dev) 1780{ 1781 struct fb_info *fbi; 1782 int i; 1783 1784 /* Kickstart the panel */ 1785 au1200_setpanel(panel); 1786 1787 for (i = 0; i < device_count; i++) { 1788 fbi = _au1200fb_infos[i]; 1789 au1200fb_fb_set_par(fbi); 1790 } 1791 1792 return 0; 1793} 1794 1795static const struct dev_pm_ops au1200fb_pmops = { 1796 .suspend = au1200fb_drv_suspend, 1797 .resume = au1200fb_drv_resume, 1798 .freeze = au1200fb_drv_suspend, 1799 .thaw = au1200fb_drv_resume, 1800}; 1801 1802#define AU1200FB_PMOPS (&au1200fb_pmops) 1803 1804#else 1805#define AU1200FB_PMOPS NULL 1806#endif /* CONFIG_PM */ 1807 1808static struct platform_driver au1200fb_driver = { 1809 .driver = { 1810 .name = "au1200-lcd", 1811 .owner = THIS_MODULE, 1812 .pm = AU1200FB_PMOPS, 1813 }, 1814 .probe = au1200fb_drv_probe, 1815 .remove = __devexit_p(au1200fb_drv_remove), 1816}; 1817 1818/*-------------------------------------------------------------------------*/ 1819 1820/* Kernel driver */ 1821 1822static int au1200fb_setup(void) 1823{ 1824 char *options = NULL; 1825 char *this_opt, *endptr; 1826 int num_panels = ARRAY_SIZE(known_lcd_panels); 1827 int panel_idx = -1; 1828 1829 fb_get_options(DRIVER_NAME, &options); 1830 1831 if (options) { 1832 while ((this_opt = strsep(&options,",")) != NULL) { 1833 /* Panel option - can be panel name, 1834 * "bs" for board-switch, or number/index */ 1835 if (!strncmp(this_opt, "panel:", 6)) { 1836 int i; 1837 long int li; 1838 char *endptr; 1839 this_opt += 6; 1840 /* First check for index, which allows 1841 * to short circuit this mess */ 1842 li = simple_strtol(this_opt, &endptr, 0); 1843 if (*endptr == '\0') { 1844 panel_idx = (int)li; 1845 } 1846 else if (strcmp(this_opt, "bs") == 0) { 1847 extern int board_au1200fb_panel(void); 1848 panel_idx = board_au1200fb_panel(); 1849 } 1850 1851 else 1852 for (i = 0; i < num_panels; i++) { 1853 if (!strcmp(this_opt, known_lcd_panels[i].name)) { 1854 panel_idx = i; 1855 break; 1856 } 1857 } 1858 1859 if ((panel_idx < 0) || (panel_idx >= num_panels)) { 1860 print_warn("Panel %s not supported!", this_opt); 1861 } 1862 else 1863 panel_index = panel_idx; 1864 } 1865 1866 else if (strncmp(this_opt, "nohwcursor", 10) == 0) { 1867 nohwcursor = 1; 1868 } 1869 1870 else if (strncmp(this_opt, "devices:", 8) == 0) { 1871 this_opt += 8; 1872 device_count = simple_strtol(this_opt, 1873 &endptr, 0); 1874 if ((device_count < 0) || 1875 (device_count > MAX_DEVICE_COUNT)) 1876 device_count = MAX_DEVICE_COUNT; 1877 } 1878 1879 else if (strncmp(this_opt, "wincfg:", 7) == 0) { 1880 this_opt += 7; 1881 window_index = simple_strtol(this_opt, 1882 &endptr, 0); 1883 if ((window_index < 0) || 1884 (window_index >= ARRAY_SIZE(windows))) 1885 window_index = DEFAULT_WINDOW_INDEX; 1886 } 1887 1888 else if (strncmp(this_opt, "off", 3) == 0) 1889 return 1; 1890 /* Unsupported option */ 1891 else { 1892 print_warn("Unsupported option \"%s\"", this_opt); 1893 } 1894 } 1895 } 1896 return 0; 1897} 1898 1899static int __init au1200fb_init(void) 1900{ 1901 print_info("" DRIVER_DESC ""); 1902 1903 /* Setup driver with options */ 1904 if (au1200fb_setup()) 1905 return -ENODEV; 1906 1907 /* Point to the panel selected */ 1908 panel = &known_lcd_panels[panel_index]; 1909 win = &windows[window_index]; 1910 1911 printk(DRIVER_NAME ": Panel %d %s\n", panel_index, panel->name); 1912 printk(DRIVER_NAME ": Win %d %s\n", window_index, win->name); 1913 1914 return platform_driver_register(&au1200fb_driver); 1915} 1916 1917static void __exit au1200fb_cleanup(void) 1918{ 1919 platform_driver_unregister(&au1200fb_driver); 1920} 1921 1922module_init(au1200fb_init); 1923module_exit(au1200fb_cleanup); 1924 1925MODULE_DESCRIPTION(DRIVER_DESC); 1926MODULE_LICENSE("GPL"); 1927