drivers/video/rockchip/rkfb_sysfs.c

   1 /*
   2  * linux/drivers/video/rockchip/rkfb-sysfs.c
   3  *
   4  * Copyright (C) 2012 Rockchip Corporation
   5  * Author: yxj<yxj@rock-chips.com>
   6  *
   7  * Some code and ideas taken from
   8  *drivers/video/omap2/omapfb/omapfb-sys.c
   9  *driver by Tomi Valkeinen.
  10  *
  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 version 2 as published by
  14  * the Free Software Foundation.
  15  *
  16  * This program is distributed in the hope that it will be useful, but WITHOUT
  17  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  18  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  19  * more details.
  20  *
  21  * You should have received a copy of the GNU General Public License along with
  22  * this program.  If not, see <http://www.gnu.org/licenses/>.
  23  */
  24
  25 #include <linux/fb.h>
  26 #include <linux/namei.h>
  27 #include <linux/sysfs.h>
  28 #include <linux/device.h>
  29 #include <linux/uaccess.h>
  30 #include <linux/platform_device.h>
  31 #include <linux/kernel.h>
  32 #include <linux/mm.h>
  33 #include <linux/vmalloc.h>
  34 #include <asm/div64.h>
  35 #include <linux/rk_screen.h>
  36 #include <linux/rk_fb.h>
  37 #if defined(CONFIG_ION_ROCKCHIP)
  38 #include <linux/rockchip_ion.h>
  39 #endif
  40 #include "bmp_helper.h"
  41 #include <linux/delay.h>
  42 struct rkfb_sys_trace {
  43         int num_frames;
  44         int count_frame;
  45         int mask_win;
  46         int mask_area;
  47         bool is_bmp;
  48         bool is_append;
  49 };
  50 #define DUMP_BUF_PATH           "/data/dmp_buf"
  51
  52 static char *get_format_str(enum data_format format)
  53 {
  54         switch (format) {
  55         case ARGB888:
  56                 return "ARGB888";
  57         case RGB888:
  58                 return "RGB888";
  59         case RGB565:
  60                 return "RGB565";
  61         case YUV420:
  62         case YUV420_NV21:
  63                 return "YUV420";
  64         case YUV422:
  65                 return "YUV422";
  66         case YUV444:
  67                 return "YUV444";
  68         case YUV420_A:
  69                 return "YUV420_A";
  70         case YUV422_A:
  71                 return "YUV422_A";
  72         case YUV444_A:
  73                 return "YUV444_A";
  74         case XRGB888:
  75                 return "XRGB888";
  76         case XBGR888:
  77                 return "XBGR888";
  78         case ABGR888:
  79                 return "ABGR888";
  80         case FBDC_RGB_565:
  81                 return "FBDC_RGB_565";
  82         case FBDC_ARGB_888:
  83                 return "FBDC_ARGB_888";
  84         case FBDC_RGBX_888:
  85                 return "FBDC_RGBX_888";
  86         default:
  87                 return "invalid";
  88         }
  89 }
  90
  91 static ssize_t show_screen_info(struct device *dev,
  92                                 struct device_attribute *attr, char *buf)
  93 {
  94         struct fb_info *fbi = dev_get_drvdata(dev);
  95         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
  96         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
  97         struct rk_screen *screen = dev_drv->cur_screen;
  98         int fps = 0;
  99         u32 x = screen->mode.left_margin + screen->mode.right_margin +
 100                 screen->mode.xres + screen->mode.hsync_len;
 101         u32 y = screen->mode.upper_margin + screen->mode.lower_margin +
 102                 screen->mode.yres + screen->mode.vsync_len;
 103         u64 ft = (u64)x * y * (dev_drv->pixclock);
 104
 105         if (ft > 0)
 106                 fps = div64_u64(1000000000000llu, ft);
 107         return snprintf(buf, PAGE_SIZE, "xres:%d\nyres:%d\nfps:%d\n",
 108                         screen->mode.xres, screen->mode.yres, fps);
 109 }
 110
 111 static ssize_t show_disp_info(struct device *dev,
 112                               struct device_attribute *attr, char *buf)
 113 {
 114         struct fb_info *fbi = dev_get_drvdata(dev);
 115         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
 116         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 117         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
 118
 119         if (dev_drv->ops->get_disp_info)
 120                 return dev_drv->ops->get_disp_info(dev_drv, buf, win_id);
 121
 122         return 0;
 123 }
 124
 125 static void fill_buffer(void *handle, void *vaddr, int size)
 126 {
 127         struct file *filp = handle;
 128
 129         if (filp)
 130                 vfs_write(filp, vaddr, size, &filp->f_pos);
 131 }
 132
 133 static void read_buffer(void *handle, void *vaddr, int size, loff_t pos)
 134 {
 135         struct file *filp = handle;
 136
 137         if (filp)
 138                 vfs_read(filp, vaddr, size, &pos);
 139 }
 140
 141 static int dump_win(struct ion_client *ion_client,
 142                     struct ion_handle *ion_handle, phys_addr_t phys_addr,
 143                     int width, int height, u8 data_format, uint32_t frameid,
 144                     int win_id, int area_id, bool is_bmp, bool is_append)
 145 {
 146         void __iomem *vaddr = NULL;
 147         struct file *filp;
 148         mm_segment_t old_fs;
 149         char name[100];
 150         int flags;
 151         int bits;
 152
 153         switch (data_format) {
 154         case XRGB888:
 155         case XBGR888:
 156         case ARGB888:
 157         case ABGR888:
 158         case FBDC_RGBX_888:
 159                 bits = 32;
 160                 break;
 161         case YUV444_A:
 162         case YUV444:
 163         case RGB888:
 164         case FBDC_ARGB_888:
 165                 bits = 24;
 166                 break;
 167         case RGB565:
 168         case FBDC_RGB_565:
 169         case YUV422:
 170         case YUV422_A:
 171                 bits = 16;
 172                 break;
 173         case YUV420_A:
 174         case YUV420:
 175         case YUV420_NV21:
 176                 bits = 12;
 177                 break;
 178         default:
 179                 return 0;
 180         }
 181
 182         if (ion_handle) {
 183                 vaddr = ion_map_kernel(ion_client, ion_handle);
 184         } else if (phys_addr) {
 185                 unsigned long start;
 186                 unsigned int nr_pages;
 187                 struct page **pages;
 188                 int i = 0;
 189
 190                 start = phys_addr;
 191                 nr_pages = roundup(width * height * (bits >> 3), PAGE_SIZE);
 192                 nr_pages /= PAGE_SIZE;
 193                 pages = kzalloc(sizeof(struct page) * nr_pages,GFP_KERNEL);
 194                 while (i < nr_pages) {
 195                         pages[i] = phys_to_page(start);
 196                         start += PAGE_SIZE;
 197                         i++;
 198                 }
 199                 vaddr = vmap(pages, nr_pages, VM_MAP,
 200                              pgprot_writecombine(PAGE_KERNEL));
 201                 if (!vaddr) {
 202                         pr_err("failed to vmap phy addr %lx\n",
 203                                start);
 204                         return -1;
 205                 }
 206         } else {
 207                 return 0;
 208         }
 209
 210         flags = O_RDWR | O_CREAT | O_NONBLOCK;
 211         if (is_append) {
 212                 snprintf(name, 100, "%s/append_win%d_%d_%dx%d_%s.%s",
 213                          DUMP_BUF_PATH, win_id, area_id, width, height,
 214                          get_format_str(data_format), is_bmp ? "bmp" : "bin");
 215                 flags |= O_APPEND;
 216         } else {
 217                 snprintf(name, 100, "%s/frame%d_win%d_%d_%dx%d_%s.%s",
 218                          DUMP_BUF_PATH, frameid, win_id, area_id, width, height,
 219                          get_format_str(data_format), is_bmp ? "bmp" : "bin");
 220         }
 221
 222         pr_info("dump win == > %s\n", name);
 223         filp = filp_open(name, flags, 0x600);
 224         if (!filp)
 225                 printk("fail to create %s\n", name);
 226
 227         old_fs = get_fs();
 228         set_fs(KERNEL_DS);
 229
 230         if (is_bmp)
 231                 bmpencoder(vaddr, width, height,
 232                            data_format, filp, fill_buffer);
 233         else
 234                 fill_buffer(filp, vaddr, width * height * bits >> 3);
 235
 236         set_fs(old_fs);
 237
 238         if (ion_handle)
 239                 ion_unmap_kernel(ion_client, ion_handle);
 240         else if (vaddr)
 241                 vunmap(vaddr);
 242
 243         filp_close(filp, NULL);
 244
 245         return 0;
 246 }
 247
 248 static ssize_t show_dump_buffer(struct device *dev,
 249                               struct device_attribute *attr, char *buf)
 250 {
 251         ssize_t size;
 252
 253         size = snprintf(buf, PAGE_SIZE,
 254                         "bmp       -- dump buffer to bmp image\n"
 255                         "bin       -- dump buffer to bin image\n"
 256                         "multi    --  each dump will create new file\n"
 257                         "win=num   -- mask win to dump, default mask all\n"
 258                         "             win=1, will dump win1 buffer\n"
 259                         "             win=23, will dump win2 area3 buffer\n"
 260                         "trace=num -- trace num frames buffer dump\n"
 261                         "             this option will block buffer switch\n"
 262                         "             so recommend use with bin and win=xx\n"
 263                         "\nExample:\n"
 264                         "echo bmp > dump_buf; -- dump current buf to bmp file\n"
 265                         "echo bin > dump_buf; -- dump current buf to bin file\n"
 266                         "echo trace=50:win=1:win=23 > dump_buf\n"
 267                         "         -- dump 50 frames, dump win1 and win2 area3\n"
 268                         "         -- dump all buffer to single file\n"
 269                         "You can found dump files at %s\n"
 270                         , DUMP_BUF_PATH);
 271
 272         return size;
 273 }
 274
 275 void trace_buffer_dump(struct device *dev, struct rk_lcdc_driver *dev_drv)
 276 {
 277         struct rk_fb *rk_fb = dev_get_drvdata(dev);
 278         struct rk_fb_reg_data *front_regs;
 279         struct rk_fb_reg_win_data *win_data;
 280         struct rk_fb_reg_area_data *area_data;
 281         struct rkfb_sys_trace *trace = dev_drv->trace_buf;
 282         int i,j;
 283
 284         if (!trace)
 285                 return;
 286         if (trace->num_frames <= trace->count_frame)
 287                 return;
 288
 289         if (!dev_drv->front_regs)
 290                 return;
 291         front_regs = dev_drv->front_regs;
 292
 293         for (i = 0; i < front_regs->win_num; i++) {
 294                 if (trace->mask_win && !(trace->mask_win & (1 << i)))
 295                         continue;
 296                 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
 297                         win_data = &front_regs->reg_win_data[i];
 298                         area_data = &win_data->reg_area_data[j];
 299                         if (trace->mask_area && !(trace->mask_area & (1 << j)))
 300                                 continue;
 301
 302                         dump_win(rk_fb->ion_client, area_data->ion_handle,
 303                                  area_data->smem_start,
 304                                  area_data->xvir, area_data->yvir,
 305                                  area_data->data_format, trace->count_frame,
 306                                  i, j, trace->is_bmp, trace->is_append);
 307                 }
 308         }
 309         trace->count_frame++;
 310 }
 311
 312 static ssize_t set_dump_buffer(struct device *dev,
 313                                struct device_attribute *attr,
 314                                const char *buf, size_t count)
 315 {
 316         struct fb_info *fbi = dev_get_drvdata(dev);
 317         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
 318         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 319         struct rk_fb *rk_fb = dev_get_drvdata(fbi->device);
 320         struct rk_fb_reg_data *front_regs;
 321         struct rk_fb_reg_win_data *win_data;
 322         struct rk_fb_reg_area_data *area_data;
 323         struct rkfb_sys_trace *trace;
 324         struct dentry *dentry;
 325         struct path path;
 326         int err = 0;
 327         int num_frames = 0;
 328         int mask_win = 0;
 329         int mask_area = 0;
 330         bool is_bmp = false;
 331         bool is_append = true;
 332         char *p;
 333         int i, j;
 334
 335         if (!rk_fb->ion_client)
 336                 return 0;
 337
 338         if (!dev_drv->trace_buf) {
 339                 dev_drv->trace_buf = devm_kmalloc(dev_drv->dev,
 340                                                   sizeof(struct rkfb_sys_trace),
 341                                                   GFP_KERNEL);
 342                 if (!dev_drv->trace_buf)
 343                         return -ENOMEM;
 344         }
 345         trace = dev_drv->trace_buf;
 346         /*
 347          * Stop buffer trace.
 348          */
 349         trace->num_frames = 0;
 350
 351         while ((p = strsep((char **)&buf, ":")) != NULL) {
 352                 if (!*p)
 353                         continue;
 354                 if (!strncmp(p, "trace=", 6)) {
 355                         if (kstrtoint(p + 6, 0, &num_frames))
 356                                 dev_err(dev, "can't found trace frames\n");
 357                         continue;
 358                 }
 359                 if (!strncmp(p, "win=", 4)) {
 360                         int win;
 361
 362                         if (kstrtoint(p + 4, 0, &win))
 363                                 dev_err(dev, "can't found trace frames\n");
 364                         if (win < 10)
 365                                mask_win |= 1 << win;
 366                         else {
 367                                 mask_win |= 1 << (win / 10);
 368                                 mask_area |= 1 << (win % 10);
 369                         }
 370
 371                         continue;
 372                 }
 373                 if (!strncmp(p, "bmp", 3)) {
 374                         is_bmp = true;
 375                         is_append = false;
 376                         continue;
 377                 }
 378                 if (!strncmp(p, "bin", 3)) {
 379                         is_bmp = false;
 380                         continue;
 381                 }
 382                 if (!strncmp(p, "multi", 5)) {
 383                         is_append = true;
 384                         is_bmp = false;
 385                         continue;
 386                 }
 387
 388                 dev_err(dev, "unknown option %s\n", p);
 389         }
 390
 391         dentry = kern_path_create(AT_FDCWD, DUMP_BUF_PATH, &path,
 392                                   LOOKUP_DIRECTORY);
 393         if (!IS_ERR(dentry)) {
 394                 err = vfs_mkdir(path.dentry->d_inode, dentry, 700);
 395                 if (err)
 396                         dev_err(dev, "can't create %s err%d\n",
 397                                 DUMP_BUF_PATH, err);
 398                 done_path_create(&path, dentry);
 399         } else if (PTR_ERR(dentry) != -EEXIST) {
 400                 dev_err(dev, "can't create PATH %s err%d\n",
 401                                 DUMP_BUF_PATH, err);
 402                 return PTR_ERR(dentry);
 403         }
 404
 405         if (!num_frames) {
 406                 mutex_lock(&dev_drv->front_lock);
 407
 408                 if (!dev_drv->front_regs) {
 409                         u16 xact, yact;
 410                         int data_format;
 411                         u32 dsp_addr;
 412
 413                         mutex_unlock(&dev_drv->front_lock);
 414
 415                         if (dev_drv->ops->get_dspbuf_info)
 416                                 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
 417                                                 &yact, &data_format, &dsp_addr);
 418
 419                         dump_win(NULL, NULL, dsp_addr, xact, yact, data_format,
 420                                  0, 0, 0, is_bmp, false);
 421                         goto out;
 422                 }
 423                 front_regs = kmalloc(sizeof(*front_regs), GFP_KERNEL);
 424                 if (!front_regs)
 425                         return -ENOMEM;
 426                 memcpy(front_regs, dev_drv->front_regs, sizeof(*front_regs));
 427
 428                 for (i = 0; i < front_regs->win_num; i++) {
 429                         if (mask_win && !(mask_win & (1 << i)))
 430                                 continue;
 431                         for (j = 0; j < RK_WIN_MAX_AREA; j++) {
 432                                 if (mask_area && !(mask_area & (1 << j)))
 433                                         continue;
 434                                 win_data = &front_regs->reg_win_data[i];
 435                                 area_data = &win_data->reg_area_data[j];
 436                                 if (area_data->ion_handle)
 437                                         ion_handle_get(area_data->ion_handle);
 438                         }
 439                 }
 440
 441                 for (i = 0; i < front_regs->win_num; i++) {
 442                         if (mask_win && !(mask_win & (1 << i)))
 443                                 continue;
 444                         for (j = 0; j < RK_WIN_MAX_AREA; j++) {
 445                                 if (mask_area && !(mask_area & (1 << j)))
 446                                         continue;
 447
 448                                 win_data = &front_regs->reg_win_data[i];
 449                                 area_data = &win_data->reg_area_data[j];
 450
 451                                 dump_win(rk_fb->ion_client, area_data->ion_handle,
 452                                          area_data->smem_start,
 453                                          area_data->xvir, area_data->yvir,
 454                                          area_data->data_format, trace->count_frame,
 455                                          i, j, trace->is_bmp, trace->is_append);
 456                                 if (area_data->ion_handle)
 457                                         ion_handle_put(area_data->ion_handle);
 458                         }
 459                 }
 460
 461                 kfree(front_regs);
 462
 463                 mutex_unlock(&dev_drv->front_lock);
 464         } else {
 465                 trace->num_frames = num_frames;
 466                 trace->count_frame = 0;
 467                 trace->is_bmp = is_bmp;
 468                 trace->is_append = is_append;
 469                 trace->mask_win = mask_win;
 470                 trace->mask_area = mask_area;
 471         }
 472 out:
 473
 474         return count;
 475 }
 476
 477 static ssize_t show_dsp_buffer(struct device *dev,
 478                                struct device_attribute *attr, char *buf)
 479 {
 480         ssize_t size;
 481
 482         size = snprintf(buf, PAGE_SIZE,
 483                         "you can display a picture store in "
 484                         "/data/fb0.bin use the following cmd:\n"
 485                         "echo n xsize ysize format > dsp_buf\n"
 486                         "n: picture number"
 487                         "xsize: picture horizontal size\n"
 488                         "ysize: picture vertical size\n"
 489                         "format:\n"
 490                         "    RGBA=1,RGBX=2,RGB=3,YUV420SP=17");
 491
 492         return size;
 493 }
 494 extern int __close_fd(struct files_struct *files, unsigned fd);
 495
 496 static ssize_t set_dsp_buffer(struct device *dev,
 497                                struct device_attribute *attr,
 498                                const char *buf, size_t count)
 499 {
 500         struct fb_info *fbi = dev_get_drvdata(dev);
 501         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
 502         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 503         struct rk_fb *rk_fb = dev_get_drvdata(fbi->device);
 504         struct file *filp;
 505         mm_segment_t old_fs;
 506         int width, height, frame_num;
 507         int i, j, flags, fd;
 508         const char *start = buf;
 509         struct ion_handle *handle = NULL;
 510         char __iomem *screen_base;
 511         struct rk_fb_win_cfg_data win_config;
 512         struct rk_screen *screen = dev_drv->cur_screen;
 513         int space_max = 10;
 514         int format;
 515         size_t mem_size = 0;
 516         char *name = "/data/fb0.bin";
 517         struct sync_fence *acq_fence;
 518         struct files_struct *files = current->files;
 519
 520         frame_num = simple_strtoul(start, NULL, 10);
 521         do {
 522                 start++;
 523                 space_max--;
 524         } while ((*start != ' ') && space_max);
 525         start++;
 526         width = simple_strtoul(start, NULL, 10);
 527         do {
 528                 start++;
 529                 space_max--;
 530         } while ((*start != ' ') && space_max);
 531         start++;
 532         height = simple_strtoul(start, NULL, 10);
 533
 534         do {
 535                 start++;
 536                 space_max--;
 537         } while ((*start != ' ') && space_max);
 538         start++;
 539         format = simple_strtoul(start, NULL, 10);
 540
 541         pr_info("frame_num=%d,w=%d,h=%d,file=%s,format=%d\n",
 542                 frame_num, width, height, name, format);
 543         flags = O_RDWR | O_CREAT | O_NONBLOCK;
 544         filp = filp_open(name, flags, 0x600);
 545         if (!filp)
 546                 pr_err("fail to create %s\n", name);
 547
 548         old_fs = get_fs();
 549         set_fs(KERNEL_DS);
 550
 551         mem_size = width * height * 4 * frame_num;
 552         if (dev_drv->iommu_enabled)
 553                 handle = ion_alloc(rk_fb->ion_client, mem_size, 0,
 554                                    ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
 555         else
 556                 handle = ion_alloc(rk_fb->ion_client, mem_size, 0,
 557                                    ION_HEAP(ION_CMA_HEAP_ID), 0);
 558         if (IS_ERR(handle)) {
 559                 pr_err("failed to ion_alloc:%ld\n", PTR_ERR(handle));
 560                 return -ENOMEM;
 561         }
 562         fd = ion_share_dma_buf_fd(rk_fb->ion_client, handle);
 563         if (fd < 0) {
 564                 pr_err("ion_share_dma_buf_fd failed, fd=%d\n", fd);
 565                 return fd;
 566         }
 567         screen_base = ion_map_kernel(rk_fb->ion_client, handle);
 568         read_buffer(filp, screen_base, mem_size, 0);
 569
 570         memset(&win_config, 0, sizeof(win_config));
 571         win_config.wait_fs = 0;
 572         win_config.win_par[0].win_id = 0;
 573         win_config.win_par[0].z_order = 0;
 574         win_config.win_par[0].area_par[0].data_format = format;
 575         win_config.win_par[0].area_par[0].ion_fd = fd;
 576         win_config.win_par[0].area_par[0].x_offset = 0;
 577         win_config.win_par[0].area_par[0].y_offset = 0;
 578         win_config.win_par[0].area_par[0].xpos = 0;
 579         win_config.win_par[0].area_par[0].ypos = 0;
 580         win_config.win_par[0].area_par[0].xsize = screen->mode.xres;
 581         win_config.win_par[0].area_par[0].ysize = screen->mode.yres;
 582         win_config.win_par[0].area_par[0].xact = width;
 583         win_config.win_par[0].area_par[0].yact = height;
 584         win_config.win_par[0].area_par[0].xvir = width;
 585         win_config.win_par[0].area_par[0].yvir = height;
 586
 587         for (i = 0; i < frame_num; i++) {
 588                 win_config.win_par[0].area_par[0].y_offset = height * i;
 589                 fbi->fbops->fb_ioctl(fbi, RK_FBIOSET_CONFIG_DONE,
 590                                      (unsigned long)(&win_config));
 591                 for (j = 0; j < RK_MAX_BUF_NUM; j++) {
 592                         if (win_config.rel_fence_fd[j] > 0) {
 593                                 acq_fence =
 594                                 sync_fence_fdget(win_config.rel_fence_fd[j]);
 595                                 sync_fence_put(acq_fence);
 596                         }
 597                 }
 598
 599                 if (win_config.ret_fence_fd > 0){
 600                         acq_fence =
 601                         sync_fence_fdget(win_config.ret_fence_fd);
 602                         sync_fence_put(acq_fence);
 603                 }
 604         }
 605
 606         ion_unmap_kernel(rk_fb->ion_client, handle);
 607         ion_free(rk_fb->ion_client, handle);
 608         __close_fd(files, fd);
 609
 610         set_fs(old_fs);
 611         filp_close(filp, NULL);
 612
 613         return count;
 614 }
 615
 616 static ssize_t show_phys(struct device *dev,
 617                          struct device_attribute *attr, char *buf)
 618 {
 619         struct fb_info *fbi = dev_get_drvdata(dev);
 620
 621         return snprintf(buf, PAGE_SIZE, "0x%lx-----0x%x\n",
 622                         fbi->fix.smem_start, fbi->fix.smem_len);
 623 }
 624
 625 static ssize_t show_virt(struct device *dev,
 626                          struct device_attribute *attr, char *buf)
 627 {
 628         struct fb_info *fbi = dev_get_drvdata(dev);
 629
 630         return snprintf(buf, PAGE_SIZE, "0x%p-----0x%x\n",
 631                         fbi->screen_base, fbi->fix.smem_len);
 632 }
 633
 634 static ssize_t show_fb_state(struct device *dev,
 635                              struct device_attribute *attr, char *buf)
 636 {
 637         struct fb_info *fbi = dev_get_drvdata(dev);
 638         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
 639         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 640
 641         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
 642         int state = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
 643
 644         return snprintf(buf, PAGE_SIZE, "%s\n", state ? "enabled" : "disabled");
 645 }
 646
 647 static ssize_t show_dual_mode(struct device *dev,
 648                               struct device_attribute *attr, char *buf)
 649 {
 650         struct fb_info *fbi = dev_get_drvdata(dev);
 651         struct rk_fb *rk_fb = dev_get_drvdata(fbi->device);
 652         int mode = rk_fb->disp_mode;
 653
 654         return snprintf(buf, PAGE_SIZE, "%d\n", mode);
 655 }
 656
 657 static ssize_t set_fb_state(struct device *dev, struct device_attribute *attr,
 658                             const char *buf, size_t count)
 659 {
 660         struct fb_info *fbi = dev_get_drvdata(dev);
 661         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
 662         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 663         int win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
 664         int state;
 665         int ret;
 666
 667         ret = kstrtoint(buf, 0, &state);
 668         if (ret)
 669                 return ret;
 670         dev_drv->ops->open(dev_drv, win_id, state);
 671         if (state) {
 672                 dev_drv->ops->set_par(dev_drv, win_id);
 673                 dev_drv->ops->pan_display(dev_drv, win_id);
 674                 dev_drv->ops->cfg_done(dev_drv);
 675         }
 676         return count;
 677 }
 678
 679 static ssize_t show_overlay(struct device *dev,
 680                             struct device_attribute *attr, char *buf)
 681 {
 682         struct fb_info *fbi = dev_get_drvdata(dev);
 683         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
 684         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 685         int ovl;
 686
 687         if (dev_drv->ops->ovl_mgr)
 688                 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
 689
 690         if (ovl < 0)
 691                 return ovl;
 692
 693         return snprintf(buf, PAGE_SIZE, "%s\n",
 694                         ovl ? "win0 on the top of win1" :
 695                         "win1 on the top of win0");
 696 }
 697
 698 static ssize_t set_overlay(struct device *dev, struct device_attribute *attr,
 699                            const char *buf, size_t count)
 700 {
 701         struct fb_info *fbi = dev_get_drvdata(dev);
 702         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
 703         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 704         u32 ovl;
 705         int ret;
 706
 707         ret = kstrtou32(buf, 0, &ovl);
 708         if (ret)
 709                 return ret;
 710         if (dev_drv->ops->ovl_mgr)
 711                 ret = dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
 712         if (ret < 0)
 713                 return ret;
 714
 715         return count;
 716 }
 717
 718 static ssize_t show_fps(struct device *dev,
 719                         struct device_attribute *attr, char *buf)
 720 {
 721         struct fb_info *fbi = dev_get_drvdata(dev);
 722         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
 723         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 724         int fps;
 725
 726         if (dev_drv->ops->fps_mgr)
 727                 fps = dev_drv->ops->fps_mgr(dev_drv, 0, 0);
 728         if (fps < 0)
 729                 return fps;
 730
 731         return snprintf(buf, PAGE_SIZE, "fps:%d\n", fps);
 732 }
 733
 734 static ssize_t set_fps(struct device *dev, struct device_attribute *attr,
 735                        const char *buf, size_t count)
 736 {
 737         struct fb_info *fbi = dev_get_drvdata(dev);
 738         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
 739         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 740         u32 fps;
 741         int ret;
 742
 743         ret = kstrtou32(buf, 0, &fps);
 744         if (ret)
 745                 return ret;
 746
 747         if (fps == 0 || fps > 60) {
 748                 dev_info(dev, "unsupport fps value,pelase set 1~60\n");
 749                 return count;
 750         }
 751
 752         if (dev_drv->ops->fps_mgr)
 753                 ret = dev_drv->ops->fps_mgr(dev_drv, fps, 1);
 754         if (ret < 0)
 755                 return ret;
 756
 757         return count;
 758 }
 759
 760 static ssize_t show_fb_win_map(struct device *dev,
 761                                struct device_attribute *attr, char *buf)
 762 {
 763         int ret;
 764         struct fb_info *fbi = dev_get_drvdata(dev);
 765         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
 766         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 767
 768         mutex_lock(&dev_drv->fb_win_id_mutex);
 769         ret =
 770             snprintf(buf, PAGE_SIZE, "fb0:win%d\nfb1:win%d\nfb2:win%d\n",
 771                      dev_drv->fb0_win_id, dev_drv->fb1_win_id,
 772                      dev_drv->fb2_win_id);
 773         mutex_unlock(&dev_drv->fb_win_id_mutex);
 774
 775         return ret;
 776 }
 777
 778 static ssize_t set_fb_win_map(struct device *dev, struct device_attribute *attr,
 779                               const char *buf, size_t count)
 780 {
 781         struct fb_info *fbi = dev_get_drvdata(dev);
 782         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
 783         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 784         u32 order;
 785         int ret;
 786
 787         ret = kstrtou32(buf, 0, &order);
 788         if ((order != FB0_WIN2_FB1_WIN1_FB2_WIN0) &&
 789             (order != FB0_WIN1_FB1_WIN2_FB2_WIN0) &&
 790             (order != FB0_WIN2_FB1_WIN0_FB2_WIN1) &&
 791             (order != FB0_WIN0_FB1_WIN2_FB2_WIN1) &&
 792             (order != FB0_WIN0_FB1_WIN1_FB2_WIN2) &&
 793             (order != FB0_WIN1_FB1_WIN0_FB2_WIN2)) {
 794                 dev_info(dev, "un supported map\n"
 795                        "you can use the following order:\n" "201:\n"
 796                        "fb0-win1\n" "fb1-win0\n" "fb2-win2\n" "210:\n"
 797                        "fb0-win0\n" "fb1-win1\n" "fb2-win2\n" "120:\n"
 798                        "fb0-win0\n" "fb1-win2\n" "fb2-win1\n" "102:\n"
 799                        "fb0-win2\n" "fb1-win0\n" "fb2-win1\n" "021:\n"
 800                        "fb0-win1\n" "fb1-win2\n" "fb2-win0\n" "012:\n"
 801                        "fb0-win2\n" "fb1-win1\n" "fb2-win0\n");
 802                 return count;
 803         } else {
 804                 if (dev_drv->ops->fb_win_remap)
 805                         dev_drv->ops->fb_win_remap(dev_drv, order);
 806         }
 807
 808         return count;
 809 }
 810
 811 static ssize_t show_hwc_lut(struct device *dev,
 812                             struct device_attribute *attr, char *buf)
 813 {
 814         return 0;
 815 }
 816
 817 static ssize_t set_hwc_lut(struct device *dev, struct device_attribute *attr,
 818                            const char *buf, size_t count)
 819 {
 820         int hwc_lut[256];
 821         const char *start = buf;
 822         int i = 256, temp;
 823         int space_max;
 824
 825         struct fb_info *fbi = dev_get_drvdata(dev);
 826         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
 827         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 828
 829         /*printk("count:%d\n>>%s\n\n",count,start);*/
 830         for (i = 0; i < 256; i++) {
 831                 space_max = 15; /*max space number 15*/
 832                 temp = simple_strtoul(start, NULL, 16);
 833                 hwc_lut[i] = temp;
 834                 do {
 835                         start++;
 836                         space_max--;
 837                 } while ((*start != ' ') && space_max);
 838
 839                 if (!space_max)
 840                         break;
 841                 else
 842                         start++;
 843         }
 844 #if 0
 845         for (i = 0; i < 16; i++) {
 846                 for (j = 0; j < 16; j++)
 847                         printk("0x%08x ", hwc_lut[i * 16 + j]);
 848                 printk("\n");
 849         }
 850 #endif
 851         if (dev_drv->ops->set_hwc_lut)
 852                 dev_drv->ops->set_hwc_lut(dev_drv, hwc_lut, 1);
 853
 854         return count;
 855 }
 856
 857 static ssize_t show_cabc_lut(struct device *dev,
 858                              struct device_attribute *attr, char *buf)
 859 {
 860         return 0;
 861 }
 862
 863 static ssize_t set_cabc_lut(struct device *dev, struct device_attribute *attr,
 864                             const char *buf, size_t count)
 865 {
 866         int cabc_lut[256];
 867         const char *start = buf;
 868         int i = 256, temp;
 869         int space_max = 10;
 870
 871         struct fb_info *fbi = dev_get_drvdata(dev);
 872         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
 873         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 874
 875         for (i = 0; i < 256; i++) {
 876                 temp = i;
 877                 /*init by default value*/
 878                 cabc_lut[i] = temp + (temp << 8) + (temp << 16);
 879         }
 880         for (i = 0; i < 256; i++) {
 881                 space_max = 10; /*max space number 10*/
 882                 temp = simple_strtoul(start, NULL, 10);
 883                 cabc_lut[i] = temp;
 884                 do {
 885                         start++;
 886                         space_max--;
 887                 } while ((*start != ' ') && space_max);
 888
 889                 if (!space_max)
 890                         break;
 891                 else
 892                         start++;
 893         }
 894         if (dev_drv->ops->set_cabc_lut)
 895                 dev_drv->ops->set_cabc_lut(dev_drv, cabc_lut);
 896
 897         return count;
 898 }
 899
 900 static ssize_t show_dsp_lut(struct device *dev,
 901                             struct device_attribute *attr, char *buf)
 902 {
 903         return 0;
 904 }
 905
 906 static ssize_t set_dsp_lut(struct device *dev, struct device_attribute *attr,
 907                            const char *buf, size_t count)
 908 {
 909         int dsp_lut[256];
 910         const char *start = buf;
 911         int i = 256, temp;
 912         int space_max = 10;
 913
 914         struct fb_info *fbi = dev_get_drvdata(dev);
 915         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
 916         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 917
 918         for (i = 0; i < 256; i++) {
 919                 temp = i;
 920                 /*init by default value*/
 921                 dsp_lut[i] = temp + (temp << 8) + (temp << 16);
 922         }
 923         /*printk("count:%d\n>>%s\n\n",count,start);*/
 924         for (i = 0; i < 256; i++) {
 925                 space_max = 10; /*max space number 10*/
 926                 temp = simple_strtoul(start, NULL, 10);
 927                 dsp_lut[i] = temp;
 928                 do {
 929                         start++;
 930                         space_max--;
 931                 } while ((*start != ' ') && space_max);
 932
 933                 if (!space_max)
 934                         break;
 935                 else
 936                         start++;
 937         }
 938 #if 0
 939         for (i = 0; i < 16; i++) {
 940                 for (j = 0; j < 16; j++)
 941                         printk("0x%08x ", dsp_lut[i * 16 + j]);
 942                 printk("\n");
 943         }
 944 #endif
 945         if (dev_drv->ops->set_dsp_lut)
 946                 dev_drv->ops->set_dsp_lut(dev_drv, dsp_lut);
 947
 948         return count;
 949 }
 950
 951 static ssize_t show_dsp_cabc(struct device *dev,
 952                              struct device_attribute *attr, char *buf)
 953 {
 954         struct fb_info *fbi = dev_get_drvdata(dev);
 955         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
 956         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 957
 958         return snprintf(buf, PAGE_SIZE, "cabc mode=%d\n",
 959                 dev_drv->cabc_mode);
 960         return 0;
 961 }
 962
 963 static ssize_t set_dsp_cabc(struct device *dev, struct device_attribute *attr,
 964                             const char *buf, size_t count)
 965 {
 966         struct fb_info *fbi = dev_get_drvdata(dev);
 967         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
 968         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
 969         int space_max, ret, mode = 0, calc = 0,up = 0, down = 0, global = 0;
 970         const char *start = buf;
 971
 972         space_max = 10; /*max space number 10*/
 973         mode = simple_strtoul(start, NULL, 10);
 974         do {
 975                 start++;
 976                 space_max--;
 977         } while ((*start != ' ') && space_max);
 978         start++;
 979         calc = simple_strtoul(start, NULL, 10);
 980
 981         do {
 982                 start++;
 983                 space_max--;
 984         } while ((*start != ' ') && space_max);
 985         start++;
 986         up  = simple_strtoul(start, NULL, 10);
 987
 988         do {
 989                 start++;
 990                 space_max--;
 991         } while ((*start != ' ') && space_max);
 992         start++;
 993         down = simple_strtoul(start, NULL, 10);
 994
 995         do {
 996                 start++;
 997                 space_max--;
 998         } while ((*start != ' ') && space_max);
 999         start++;
1000         global = simple_strtoul(start, NULL, 10);
1001
1002     if (dev_drv->ops->set_dsp_cabc)
1003                 ret = dev_drv->ops->set_dsp_cabc(dev_drv, mode, calc, up, down, global);
1004         if (ret < 0)
1005                 return ret;
1006
1007         return count;
1008 }
1009
1010 static ssize_t show_dsp_bcsh(struct device *dev,
1011                              struct device_attribute *attr, char *buf)
1012 {
1013         struct fb_info *fbi = dev_get_drvdata(dev);
1014         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1015         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1016         int brightness, contrast, sat_con, sin_hue, cos_hue;
1017
1018         if (dev_drv->ops->get_dsp_bcsh_bcs) {
1019                 brightness = dev_drv->ops->get_dsp_bcsh_bcs(dev_drv,
1020                                                             BRIGHTNESS);
1021                 contrast = dev_drv->ops->get_dsp_bcsh_bcs(dev_drv, CONTRAST);
1022                 sat_con = dev_drv->ops->get_dsp_bcsh_bcs(dev_drv, SAT_CON);
1023         }
1024         if (dev_drv->ops->get_dsp_bcsh_hue) {
1025                 sin_hue = dev_drv->ops->get_dsp_bcsh_hue(dev_drv, H_SIN);
1026                 cos_hue = dev_drv->ops->get_dsp_bcsh_hue(dev_drv, H_COS);
1027         }
1028         return snprintf(buf, PAGE_SIZE,
1029                         "brightness:%4d,contrast:%4d,sat_con:%4d,"
1030                         "sin_hue:%4d,cos_hue:%4d\n",
1031                         brightness, contrast, sat_con, sin_hue, cos_hue);
1032 }
1033
1034 static ssize_t set_dsp_bcsh(struct device *dev, struct device_attribute *attr,
1035                             const char *buf, size_t count)
1036 {
1037         struct fb_info *fbi = dev_get_drvdata(dev);
1038         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1039         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1040         int brightness, contrast, sat_con, ret = 0, sin_hue, cos_hue;
1041
1042         if (!strncmp(buf, "open", 4)) {
1043                 if (dev_drv->ops->open_bcsh)
1044                         ret = dev_drv->ops->open_bcsh(dev_drv, 1);
1045                 else
1046                         ret = -1;
1047         } else if (!strncmp(buf, "close", 5)) {
1048                 if (dev_drv->ops->open_bcsh)
1049                         ret = dev_drv->ops->open_bcsh(dev_drv, 0);
1050                 else
1051                         ret = -1;
1052         } else if (!strncmp(buf, "brightness", 10)) {
1053                 sscanf(buf, "brightness %d", &brightness);
1054                 if (unlikely(brightness > 255)) {
1055                         dev_err(fbi->dev,
1056                                 "brightness should be [0:255],now=%d\n\n",
1057                                 brightness);
1058                         brightness = 255;
1059                 }
1060                 if (dev_drv->ops->set_dsp_bcsh_bcs)
1061                         ret = dev_drv->ops->set_dsp_bcsh_bcs(dev_drv,
1062                                                              BRIGHTNESS,
1063                                                              brightness);
1064                 else
1065                         ret = -1;
1066         } else if (!strncmp(buf, "contrast", 8)) {
1067                 sscanf(buf, "contrast %d", &contrast);
1068                 if (unlikely(contrast > 510)) {
1069                         dev_err(fbi->dev,
1070                                 "contrast should be [0:510],now=%d\n",
1071                                 contrast);
1072                         contrast = 510;
1073                 }
1074                 if (dev_drv->ops->set_dsp_bcsh_bcs)
1075                         ret = dev_drv->ops->set_dsp_bcsh_bcs(dev_drv,
1076                                                              CONTRAST,
1077                                                              contrast);
1078                 else
1079                         ret = -1;
1080         } else if (!strncmp(buf, "sat_con", 7)) {
1081                 sscanf(buf, "sat_con %d", &sat_con);
1082                 if (unlikely(sat_con > 1015)) {
1083                         dev_err(fbi->dev,
1084                                 "sat_con should be [0:1015],now=%d\n",
1085                                 sat_con);
1086                         sat_con = 1015;
1087                 }
1088                 if (dev_drv->ops->set_dsp_bcsh_bcs)
1089                         ret = dev_drv->ops->set_dsp_bcsh_bcs(dev_drv,
1090                                                              SAT_CON,
1091                                                              sat_con);
1092                 else
1093                         ret = -1;
1094         } else if (!strncmp(buf, "hue", 3)) {
1095                 sscanf(buf, "hue %d %d", &sin_hue, &cos_hue);
1096                 if (unlikely(sin_hue > 511 || cos_hue > 511)) {
1097                         dev_err(fbi->dev, "sin_hue=%d,cos_hue=%d\n",
1098                                 sin_hue, cos_hue);
1099                 }
1100                 if (dev_drv->ops->set_dsp_bcsh_hue)
1101                         ret = dev_drv->ops->set_dsp_bcsh_hue(dev_drv,
1102                                                              sin_hue,
1103                                                              cos_hue);
1104                 else
1105                         ret = -1;
1106         } else {
1107                 dev_info(dev, "format error\n");
1108         }
1109
1110         if (ret < 0)
1111                 return ret;
1112
1113         return count;
1114 }
1115
1116 static ssize_t show_scale(struct device *dev,
1117                           struct device_attribute *attr, char *buf)
1118 {
1119         struct fb_info *fbi = dev_get_drvdata(dev);
1120         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1121         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1122
1123         return snprintf(buf, PAGE_SIZE,
1124                 "xscale=%d yscale=%d\nleft=%d top=%d right=%d bottom=%d\n",
1125                 (dev_drv->overscan.left + dev_drv->overscan.right) / 2,
1126                 (dev_drv->overscan.top + dev_drv->overscan.bottom) / 2,
1127                 dev_drv->overscan.left, dev_drv->overscan.top,
1128                 dev_drv->overscan.right, dev_drv->overscan.bottom);
1129 }
1130
1131 static ssize_t set_scale(struct device *dev, struct device_attribute *attr,
1132                          const char *buf, size_t count)
1133 {
1134         struct fb_info *fbi = dev_get_drvdata(dev);
1135         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1136         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1137         u32 left, top, right, bottom;
1138
1139         if (!strncmp(buf, "overscan", 8)) {
1140                 sscanf(buf,
1141                        "overscan %d,%d,%d,%d", &left, &top, &right, &bottom);
1142                 if (left > 0 && left <= 100)
1143                         dev_drv->overscan.left = left;
1144                 if (top > 0 && top <= 100)
1145                         dev_drv->overscan.top = top;
1146                 if (right > 0 && right <= 100)
1147                         dev_drv->overscan.right = right;
1148                 if (bottom > 0 && bottom <= 100)
1149                         dev_drv->overscan.bottom = bottom;
1150         } else if (!strncmp(buf, "left", 4)) {
1151                 sscanf(buf, "left=%d", &left);
1152                 if (left > 0 && left <= 100)
1153                         dev_drv->overscan.left = left;
1154         } else if (!strncmp(buf, "top", 3)) {
1155                 sscanf(buf, "top=%d", &top);
1156                 if (top > 0 && top <= 100)
1157                         dev_drv->overscan.top = top;
1158         } else if (!strncmp(buf, "right", 5)) {
1159                 sscanf(buf, "right=%d", &right);
1160                 if (right > 0 && right <= 100)
1161                         dev_drv->overscan.right = right;
1162         } else if (!strncmp(buf, "bottom", 6)) {
1163                 sscanf(buf, "bottom=%d", &bottom);
1164                 if (bottom > 0 && bottom <= 100)
1165                         dev_drv->overscan.bottom = bottom;
1166         } else if (!strncmp(buf, "xscale", 6)) {
1167                 sscanf(buf, "xscale=%d", &left);
1168                 if (left > 0 && left <= 100) {
1169                         dev_drv->overscan.left = left;
1170                         dev_drv->overscan.right = left;
1171                 }
1172         } else if (!strncmp(buf, "yscale", 6)) {
1173                 sscanf(buf, "yscale=%d", &left);
1174                 if (left > 0 && left <= 100) {
1175                         dev_drv->overscan.top = left;
1176                         dev_drv->overscan.bottom = left;
1177                 }
1178         } else {
1179                 sscanf(buf, "%d", &left);
1180                 if (left > 0 && left <= 100) {
1181                         dev_drv->overscan.left = left;
1182                         dev_drv->overscan.right = left;
1183                         dev_drv->overscan.top = left;
1184                         dev_drv->overscan.bottom = left;
1185                 }
1186         }
1187
1188         if (dev_drv->ops->set_overscan)
1189                 dev_drv->ops->set_overscan(dev_drv, &dev_drv->overscan);
1190
1191         return count;
1192 }
1193
1194 static ssize_t show_lcdc_id(struct device *dev,
1195                             struct device_attribute *attr,
1196                             char *buf)
1197 {
1198         struct fb_info *fbi = dev_get_drvdata(dev);
1199         struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1200         struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1201
1202         return snprintf(buf, PAGE_SIZE, "%d\n", dev_drv->id);
1203 }
1204
1205 static struct device_attribute rkfb_attrs[] = {
1206         __ATTR(phys_addr, S_IRUGO, show_phys, NULL),
1207         __ATTR(virt_addr, S_IRUGO, show_virt, NULL),
1208         __ATTR(disp_info, S_IRUGO, show_disp_info, NULL),
1209         __ATTR(dump_buf, S_IRUGO | S_IWUSR, show_dump_buffer, set_dump_buffer),
1210         __ATTR(dsp_buf, S_IRUGO | S_IWUSR, show_dsp_buffer, set_dsp_buffer),
1211         __ATTR(screen_info, S_IRUGO, show_screen_info, NULL),
1212         __ATTR(dual_mode, S_IRUGO, show_dual_mode, NULL),
1213         __ATTR(enable, S_IRUGO | S_IWUSR, show_fb_state, set_fb_state),
1214         __ATTR(overlay, S_IRUGO | S_IWUSR, show_overlay, set_overlay),
1215         __ATTR(fps, S_IRUGO | S_IWUSR, show_fps, set_fps),
1216         __ATTR(map, S_IRUGO | S_IWUSR, show_fb_win_map, set_fb_win_map),
1217         __ATTR(dsp_lut, S_IRUGO | S_IWUSR, show_dsp_lut, set_dsp_lut),
1218         __ATTR(cabc_lut, S_IRUGO | S_IWUSR, show_cabc_lut, set_cabc_lut),
1219         __ATTR(hwc_lut, S_IRUGO | S_IWUSR, show_hwc_lut, set_hwc_lut),
1220         __ATTR(cabc, S_IRUGO | S_IWUSR, show_dsp_cabc, set_dsp_cabc),
1221         __ATTR(bcsh, S_IRUGO | S_IWUSR, show_dsp_bcsh, set_dsp_bcsh),
1222         __ATTR(scale, S_IRUGO | S_IWUSR, show_scale, set_scale),
1223         __ATTR(lcdcid, S_IRUGO, show_lcdc_id, NULL),
1224 };
1225
1226 int rkfb_create_sysfs(struct fb_info *fbi)
1227 {
1228         int r, t;
1229
1230         for (t = 0; t < ARRAY_SIZE(rkfb_attrs); t++) {
1231                 r = device_create_file(fbi->dev, &rkfb_attrs[t]);
1232                 if (r) {
1233                         dev_err(fbi->dev, "failed to create sysfs " "file\n");
1234                         return r;
1235                 }
1236         }
1237
1238         return 0;
1239 }
1240
1241 void rkfb_remove_sysfs(struct rk_fb *rk_fb)
1242 {
1243         int i, t;
1244
1245         for (i = 0; i < rk_fb->num_fb; i++) {
1246                 for (t = 0; t < ARRAY_SIZE(rkfb_attrs); t++)
1247                         device_remove_file(rk_fb->fb[i]->dev, &rkfb_attrs[t]);
1248         }
1249 }