2 * linux/drivers/video/rockchip/rkfb-sysfs.c
4 * Copyright (C) 2012 Rockchip Corporation
5 * Author: yxj<yxj@rock-chips.com>
7 * Some code and ideas taken from
8 *drivers/video/omap2/omapfb/omapfb-sys.c
9 *driver by Tomi Valkeinen.
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.
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
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/>.
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>
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>
40 #include "bmp_helper.h"
41 #include <linux/delay.h>
42 struct rkfb_sys_trace {
50 #define DUMP_BUF_PATH "/data/dmp_buf"
52 static char *get_format_str(enum data_format format)
81 return "FBDC_RGB_565";
83 return "FBDC_ARGB_888";
85 return "FBDC_RGBX_888";
91 static ssize_t show_screen_info(struct device *dev,
92 struct device_attribute *attr, char *buf)
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;
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);
106 fps = div64_u64(1000000000000llu, ft);
107 return snprintf(buf, PAGE_SIZE,
108 "xres:%d\nyres:%d\nfps:%d\ntype:%d\ninterlace:%d\n",
109 screen->mode.xres, screen->mode.yres,
110 fps, screen->type, screen->mode.vmode);
113 static ssize_t show_disp_info(struct device *dev,
114 struct device_attribute *attr, char *buf)
116 struct fb_info *fbi = dev_get_drvdata(dev);
117 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
118 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
119 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
121 if (dev_drv->ops->get_disp_info)
122 return dev_drv->ops->get_disp_info(dev_drv, buf, win_id);
127 static void fill_buffer(void *handle, void *vaddr, int size)
129 struct file *filp = handle;
132 vfs_write(filp, vaddr, size, &filp->f_pos);
135 static void read_buffer(void *handle, void *vaddr, int size, loff_t pos)
137 struct file *filp = handle;
140 vfs_read(filp, vaddr, size, &pos);
143 static int dump_win(struct ion_client *ion_client,
144 struct ion_handle *ion_handle, phys_addr_t phys_addr,
145 int width, int height, u8 data_format, uint32_t frameid,
146 int win_id, int area_id, bool is_bmp, bool is_append)
148 void __iomem *vaddr = NULL;
155 switch (data_format) {
185 vaddr = ion_map_kernel(ion_client, ion_handle);
186 } else if (phys_addr) {
188 unsigned int nr_pages;
193 nr_pages = roundup(width * height * (bits >> 3), PAGE_SIZE);
194 nr_pages /= PAGE_SIZE;
195 pages = kzalloc(sizeof(struct page) * nr_pages, GFP_KERNEL);
196 while (i < nr_pages) {
197 pages[i] = phys_to_page(start);
201 vaddr = vmap(pages, nr_pages, VM_MAP,
202 pgprot_writecombine(PAGE_KERNEL));
204 pr_err("failed to vmap phy addr %lx\n",
212 flags = O_RDWR | O_CREAT | O_NONBLOCK;
214 snprintf(name, 100, "%s/append_win%d_%d_%dx%d_%s.%s",
215 DUMP_BUF_PATH, win_id, area_id, width, height,
216 get_format_str(data_format), is_bmp ? "bmp" : "bin");
219 snprintf(name, 100, "%s/frame%d_win%d_%d_%dx%d_%s.%s",
220 DUMP_BUF_PATH, frameid, win_id, area_id, width, height,
221 get_format_str(data_format), is_bmp ? "bmp" : "bin");
224 pr_info("dump win == > %s\n", name);
225 filp = filp_open(name, flags, 0x600);
227 printk("fail to create %s\n", name);
233 bmpencoder(vaddr, width, height,
234 data_format, filp, fill_buffer);
236 fill_buffer(filp, vaddr, width * height * bits >> 3);
241 ion_unmap_kernel(ion_client, ion_handle);
245 filp_close(filp, NULL);
250 static ssize_t show_dump_buffer(struct device *dev,
251 struct device_attribute *attr, char *buf)
255 size = snprintf(buf, PAGE_SIZE,
256 "bmp -- dump buffer to bmp image\n"
257 "bin -- dump buffer to bin image\n"
258 "multi -- each dump will create new file\n"
259 "win=num -- mask win to dump, default mask all\n"
260 " win=1, will dump win1 buffer\n"
261 " win=23, will dump win2 area3 buffer\n"
262 "trace=num -- trace num frames buffer dump\n"
263 " this option will block buffer switch\n"
264 " so recommend use with bin and win=xx\n"
266 "echo bmp > dump_buf; -- dump current buf to bmp file\n"
267 "echo bin > dump_buf; -- dump current buf to bin file\n"
268 "echo trace=50:win=1:win=23 > dump_buf\n"
269 " -- dump 50 frames, dump win1 and win2 area3\n"
270 " -- dump all buffer to single file\n"
271 "You can found dump files at %s\n"
277 void trace_buffer_dump(struct device *dev, struct rk_lcdc_driver *dev_drv)
279 struct rk_fb *rk_fb = dev_get_drvdata(dev);
280 struct rk_fb_reg_data *front_regs;
281 struct rk_fb_reg_win_data *win_data;
282 struct rk_fb_reg_area_data *area_data;
283 struct rkfb_sys_trace *trace = dev_drv->trace_buf;
288 if (trace->num_frames <= trace->count_frame)
291 if (!dev_drv->front_regs)
293 front_regs = dev_drv->front_regs;
295 for (i = 0; i < front_regs->win_num; i++) {
296 if (trace->mask_win && !(trace->mask_win & (1 << i)))
298 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
299 win_data = &front_regs->reg_win_data[i];
300 area_data = &win_data->reg_area_data[j];
301 if (trace->mask_area && !(trace->mask_area & (1 << j)))
304 dump_win(rk_fb->ion_client, area_data->ion_handle,
305 area_data->smem_start,
306 area_data->xvir, area_data->yvir,
307 area_data->data_format, trace->count_frame,
308 i, j, trace->is_bmp, trace->is_append);
311 trace->count_frame++;
314 static ssize_t set_dump_buffer(struct device *dev,
315 struct device_attribute *attr,
316 const char *buf, size_t count)
318 struct fb_info *fbi = dev_get_drvdata(dev);
319 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
320 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
321 struct rk_fb *rk_fb = dev_get_drvdata(fbi->device);
322 struct rk_fb_reg_data *front_regs;
323 struct rk_fb_reg_win_data *win_data;
324 struct rk_fb_reg_area_data *area_data;
325 struct rkfb_sys_trace *trace;
326 struct dentry *dentry;
333 bool is_append = true;
337 if (!rk_fb->ion_client)
340 if (!dev_drv->trace_buf) {
341 dev_drv->trace_buf = devm_kmalloc(dev_drv->dev,
342 sizeof(struct rkfb_sys_trace),
344 if (!dev_drv->trace_buf)
347 trace = dev_drv->trace_buf;
351 trace->num_frames = 0;
353 while ((p = strsep((char **)&buf, ":")) != NULL) {
356 if (!strncmp(p, "trace=", 6)) {
357 if (kstrtoint(p + 6, 0, &num_frames))
358 dev_err(dev, "can't found trace frames\n");
361 if (!strncmp(p, "win=", 4)) {
364 if (kstrtoint(p + 4, 0, &win))
365 dev_err(dev, "can't found trace frames\n");
367 mask_win |= 1 << win;
369 mask_win |= 1 << (win / 10);
370 mask_area |= 1 << (win % 10);
375 if (!strncmp(p, "bmp", 3)) {
380 if (!strncmp(p, "bin", 3)) {
384 if (!strncmp(p, "multi", 5)) {
390 dev_err(dev, "unknown option %s\n", p);
393 dentry = kern_path_create(AT_FDCWD, DUMP_BUF_PATH, &path,
395 if (!IS_ERR(dentry)) {
396 err = vfs_mkdir(path.dentry->d_inode, dentry, 700);
398 dev_err(dev, "can't create %s err%d\n",
400 done_path_create(&path, dentry);
401 } else if (PTR_ERR(dentry) != -EEXIST) {
402 dev_err(dev, "can't create PATH %s err%d\n",
404 return PTR_ERR(dentry);
408 mutex_lock(&dev_drv->front_lock);
410 if (!dev_drv->front_regs) {
416 mutex_unlock(&dev_drv->front_lock);
418 if (dev_drv->ops->get_dspbuf_info)
419 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
420 &yact, &data_format, &dsp_addr,
423 dump_win(NULL, NULL, dsp_addr, xact, yact, data_format,
424 0, 0, 0, is_bmp, false);
427 front_regs = kmalloc(sizeof(*front_regs), GFP_KERNEL);
430 memcpy(front_regs, dev_drv->front_regs, sizeof(*front_regs));
432 for (i = 0; i < front_regs->win_num; i++) {
433 if (mask_win && !(mask_win & (1 << i)))
435 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
436 if (mask_area && !(mask_area & (1 << j)))
438 win_data = &front_regs->reg_win_data[i];
439 area_data = &win_data->reg_area_data[j];
440 if (area_data->ion_handle)
441 ion_handle_get(area_data->ion_handle);
445 for (i = 0; i < front_regs->win_num; i++) {
446 if (mask_win && !(mask_win & (1 << i)))
448 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
449 if (mask_area && !(mask_area & (1 << j)))
452 win_data = &front_regs->reg_win_data[i];
453 area_data = &win_data->reg_area_data[j];
455 dump_win(rk_fb->ion_client,
456 area_data->ion_handle,
457 area_data->smem_start,
458 area_data->xvir, area_data->yvir,
459 area_data->data_format,
461 i, j, trace->is_bmp, trace->is_append);
462 if (area_data->ion_handle)
463 ion_handle_put(area_data->ion_handle);
469 mutex_unlock(&dev_drv->front_lock);
471 trace->num_frames = num_frames;
472 trace->count_frame = 0;
473 trace->is_bmp = is_bmp;
474 trace->is_append = is_append;
475 trace->mask_win = mask_win;
476 trace->mask_area = mask_area;
483 static ssize_t show_dsp_buffer(struct device *dev,
484 struct device_attribute *attr, char *buf)
488 size = snprintf(buf, PAGE_SIZE,
489 "you can display a picture store in "
490 "/data/fb0.bin use the following cmd:\n"
491 "echo n xsize ysize format > dsp_buf\n"
493 "xsize: picture horizontal size\n"
494 "ysize: picture vertical size\n"
496 " RGBA=1,RGBX=2,RGB=3,YUV420SP=17");
500 extern int __close_fd(struct files_struct *files, unsigned fd);
502 static ssize_t set_dsp_buffer(struct device *dev,
503 struct device_attribute *attr,
504 const char *buf, size_t count)
506 struct fb_info *fbi = dev_get_drvdata(dev);
507 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
508 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
509 struct rk_fb *rk_fb = dev_get_drvdata(fbi->device);
512 int width, height, frame_num;
514 const char *start = buf;
515 struct ion_handle *handle = NULL;
516 char __iomem *screen_base;
517 struct rk_fb_win_cfg_data win_config;
518 struct rk_screen *screen = dev_drv->cur_screen;
522 char *name = "/data/fb0.bin";
523 struct sync_fence *acq_fence;
524 struct files_struct *files = current->files;
526 frame_num = simple_strtoul(start, NULL, 10);
530 } while ((*start != ' ') && space_max);
532 width = simple_strtoul(start, NULL, 10);
536 } while ((*start != ' ') && space_max);
538 height = simple_strtoul(start, NULL, 10);
543 } while ((*start != ' ') && space_max);
545 format = simple_strtoul(start, NULL, 10);
547 pr_info("frame_num=%d,w=%d,h=%d,file=%s,format=%d\n",
548 frame_num, width, height, name, format);
549 flags = O_RDWR | O_CREAT | O_NONBLOCK;
550 filp = filp_open(name, flags, 0x600);
552 pr_err("fail to create %s\n", name);
557 mem_size = width * height * 4 * frame_num;
558 if (dev_drv->iommu_enabled)
559 handle = ion_alloc(rk_fb->ion_client, mem_size, 0,
560 ION_HEAP_SYSTEM_MASK, 0);
562 handle = ion_alloc(rk_fb->ion_client, mem_size, 0,
563 ION_HEAP_TYPE_DMA_MASK, 0);
564 if (IS_ERR(handle)) {
565 pr_err("failed to ion_alloc:%ld\n", PTR_ERR(handle));
568 fd = ion_share_dma_buf_fd(rk_fb->ion_client, handle);
570 pr_err("ion_share_dma_buf_fd failed, fd=%d\n", fd);
573 screen_base = ion_map_kernel(rk_fb->ion_client, handle);
574 read_buffer(filp, screen_base, mem_size, 0);
576 memset(&win_config, 0, sizeof(win_config));
577 win_config.wait_fs = 0;
578 win_config.win_par[0].win_id = 0;
579 win_config.win_par[0].z_order = 0;
580 win_config.win_par[0].area_par[0].data_format = format;
581 win_config.win_par[0].area_par[0].ion_fd = fd;
582 win_config.win_par[0].area_par[0].x_offset = 0;
583 win_config.win_par[0].area_par[0].y_offset = 0;
584 win_config.win_par[0].area_par[0].xpos = 0;
585 win_config.win_par[0].area_par[0].ypos = 0;
586 win_config.win_par[0].area_par[0].xsize = screen->mode.xres;
587 win_config.win_par[0].area_par[0].ysize = screen->mode.yres;
588 win_config.win_par[0].area_par[0].xact = width;
589 win_config.win_par[0].area_par[0].yact = height;
590 win_config.win_par[0].area_par[0].xvir = width;
591 win_config.win_par[0].area_par[0].yvir = height;
593 for (i = 0; i < frame_num; i++) {
594 win_config.win_par[0].area_par[0].y_offset = height * i;
595 fbi->fbops->fb_ioctl(fbi, RK_FBIOSET_CONFIG_DONE,
596 (unsigned long)(&win_config));
597 for (j = 0; j < RK_MAX_BUF_NUM; j++) {
598 if (win_config.rel_fence_fd[j] > 0) {
600 sync_fence_fdget(win_config.rel_fence_fd[j]);
601 sync_fence_put(acq_fence);
605 if (win_config.ret_fence_fd > 0) {
607 sync_fence_fdget(win_config.ret_fence_fd);
608 sync_fence_put(acq_fence);
612 ion_unmap_kernel(rk_fb->ion_client, handle);
613 ion_free(rk_fb->ion_client, handle);
614 __close_fd(files, fd);
617 filp_close(filp, NULL);
622 static ssize_t show_phys(struct device *dev,
623 struct device_attribute *attr, char *buf)
625 struct fb_info *fbi = dev_get_drvdata(dev);
627 return snprintf(buf, PAGE_SIZE, "0x%lx-----0x%x\n",
628 fbi->fix.smem_start, fbi->fix.smem_len);
631 static ssize_t show_virt(struct device *dev,
632 struct device_attribute *attr, char *buf)
634 struct fb_info *fbi = dev_get_drvdata(dev);
636 return snprintf(buf, PAGE_SIZE, "0x%p-----0x%x\n",
637 fbi->screen_base, fbi->fix.smem_len);
640 static ssize_t show_fb_state(struct device *dev,
641 struct device_attribute *attr, char *buf)
643 struct fb_info *fbi = dev_get_drvdata(dev);
644 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
645 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
647 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
648 int state = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
650 return snprintf(buf, PAGE_SIZE, "%s\n", state ? "enabled" : "disabled");
653 static ssize_t show_dual_mode(struct device *dev,
654 struct device_attribute *attr, char *buf)
656 struct fb_info *fbi = dev_get_drvdata(dev);
657 struct rk_fb *rk_fb = dev_get_drvdata(fbi->device);
658 int mode = rk_fb->disp_mode;
660 return snprintf(buf, PAGE_SIZE, "%d\n", mode);
663 static ssize_t set_fb_state(struct device *dev, struct device_attribute *attr,
664 const char *buf, size_t count)
666 struct fb_info *fbi = dev_get_drvdata(dev);
667 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
668 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
669 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
673 ret = kstrtoint(buf, 0, &state);
676 dev_drv->ops->open(dev_drv, win_id, state);
678 dev_drv->ops->set_par(dev_drv, win_id);
679 dev_drv->ops->pan_display(dev_drv, win_id);
680 dev_drv->ops->cfg_done(dev_drv);
685 static ssize_t show_overlay(struct device *dev,
686 struct device_attribute *attr, char *buf)
688 struct fb_info *fbi = dev_get_drvdata(dev);
689 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
690 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
693 if (dev_drv->ops->ovl_mgr)
694 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
699 return snprintf(buf, PAGE_SIZE, "%s\n",
700 ovl ? "win0 on the top of win1" :
701 "win1 on the top of win0");
704 static ssize_t set_overlay(struct device *dev, struct device_attribute *attr,
705 const char *buf, size_t count)
707 struct fb_info *fbi = dev_get_drvdata(dev);
708 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
709 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
713 ret = kstrtou32(buf, 0, &ovl);
716 if (dev_drv->ops->ovl_mgr)
717 ret = dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
724 static ssize_t show_fps(struct device *dev,
725 struct device_attribute *attr, char *buf)
727 struct fb_info *fbi = dev_get_drvdata(dev);
728 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
729 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
732 if (dev_drv->ops->fps_mgr)
733 fps = dev_drv->ops->fps_mgr(dev_drv, 0, 0);
737 return snprintf(buf, PAGE_SIZE, "fps:%d\n", fps);
740 static ssize_t set_fps(struct device *dev, struct device_attribute *attr,
741 const char *buf, size_t count)
743 struct fb_info *fbi = dev_get_drvdata(dev);
744 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
745 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
746 struct rk_screen *screen = dev_drv->cur_screen;
750 ret = kstrtou32(buf, 0, &fps);
754 origin_fps = rk_fb_calc_fps(screen, dev_drv->pixclock);
757 * use too low or too high fps would make screen abnormal,
758 * and maybe can't recovery, so limit the fps.
760 if (fps <= 40 || fps > origin_fps)
763 if (dev_drv->ops->fps_mgr)
764 ret = dev_drv->ops->fps_mgr(dev_drv, fps, 1);
771 static ssize_t show_fb_win_map(struct device *dev,
772 struct device_attribute *attr, char *buf)
775 struct fb_info *fbi = dev_get_drvdata(dev);
776 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
777 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
779 mutex_lock(&dev_drv->fb_win_id_mutex);
781 snprintf(buf, PAGE_SIZE, "fb0:win%d\nfb1:win%d\nfb2:win%d\n",
782 dev_drv->fb0_win_id, dev_drv->fb1_win_id,
783 dev_drv->fb2_win_id);
784 mutex_unlock(&dev_drv->fb_win_id_mutex);
789 static ssize_t set_fb_win_map(struct device *dev, struct device_attribute *attr,
790 const char *buf, size_t count)
792 struct fb_info *fbi = dev_get_drvdata(dev);
793 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
794 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
798 ret = kstrtou32(buf, 0, &order);
799 if ((order != FB0_WIN2_FB1_WIN1_FB2_WIN0) &&
800 (order != FB0_WIN1_FB1_WIN2_FB2_WIN0) &&
801 (order != FB0_WIN2_FB1_WIN0_FB2_WIN1) &&
802 (order != FB0_WIN0_FB1_WIN2_FB2_WIN1) &&
803 (order != FB0_WIN0_FB1_WIN1_FB2_WIN2) &&
804 (order != FB0_WIN1_FB1_WIN0_FB2_WIN2)) {
805 dev_info(dev, "un supported map\n"
806 "you can use the following order:\n" "201:\n"
807 "fb0-win1\n" "fb1-win0\n" "fb2-win2\n" "210:\n"
808 "fb0-win0\n" "fb1-win1\n" "fb2-win2\n" "120:\n"
809 "fb0-win0\n" "fb1-win2\n" "fb2-win1\n" "102:\n"
810 "fb0-win2\n" "fb1-win0\n" "fb2-win1\n" "021:\n"
811 "fb0-win1\n" "fb1-win2\n" "fb2-win0\n" "012:\n"
812 "fb0-win2\n" "fb1-win1\n" "fb2-win0\n");
815 if (dev_drv->ops->fb_win_remap)
816 dev_drv->ops->fb_win_remap(dev_drv, order);
822 static ssize_t show_hwc_lut(struct device *dev,
823 struct device_attribute *attr, char *buf)
828 static ssize_t set_hwc_lut(struct device *dev, struct device_attribute *attr,
829 const char *buf, size_t count)
832 const char *start = buf;
836 struct fb_info *fbi = dev_get_drvdata(dev);
837 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
838 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
840 /*printk("count:%d\n>>%s\n\n",count,start);*/
841 for (i = 0; i < 256; i++) {
842 space_max = 15; /*max space number 15*/
843 temp = simple_strtoul(start, NULL, 16);
848 } while ((*start != ' ') && space_max);
855 if (dev_drv->ops->set_hwc_lut)
856 dev_drv->ops->set_hwc_lut(dev_drv, hwc_lut, 1);
861 static ssize_t show_cabc_lut(struct device *dev,
862 struct device_attribute *attr, char *buf)
867 static ssize_t set_cabc_lut(struct device *dev, struct device_attribute *attr,
868 const char *buf, size_t count)
871 const char *start = buf;
875 struct fb_info *fbi = dev_get_drvdata(dev);
876 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
877 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
879 for (i = 0; i < 256; i++) {
881 /*init by default value*/
882 cabc_lut[i] = temp + (temp << 8) + (temp << 16);
884 for (i = 0; i < 256; i++) {
885 space_max = 10; /*max space number 10*/
886 temp = simple_strtoul(start, NULL, 10);
891 } while ((*start != ' ') && space_max);
898 if (dev_drv->ops->set_cabc_lut)
899 dev_drv->ops->set_cabc_lut(dev_drv, cabc_lut);
904 static ssize_t show_dsp_lut(struct device *dev,
905 struct device_attribute *attr, char *buf)
910 static ssize_t set_dsp_lut(struct device *dev, struct device_attribute *attr,
911 const char *buf, size_t count)
914 const char *start = buf;
918 struct fb_info *fbi = dev_get_drvdata(dev);
919 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
920 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
922 for (i = 0; i < 256; i++) {
924 /*init by default value*/
925 dsp_lut[i] = temp + (temp << 8) + (temp << 16);
927 /*printk("count:%d\n>>%s\n\n",count,start);*/
928 for (i = 0; i < 256; i++) {
929 space_max = 10; /*max space number 10*/
930 temp = simple_strtoul(start, NULL, 10);
935 } while ((*start != ' ') && space_max);
942 if (dev_drv->ops->set_dsp_lut)
943 dev_drv->ops->set_dsp_lut(dev_drv, dsp_lut);
948 static ssize_t show_dsp_cabc(struct device *dev,
949 struct device_attribute *attr, char *buf)
951 struct fb_info *fbi = dev_get_drvdata(dev);
952 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
953 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
955 return snprintf(buf, PAGE_SIZE, "cabc mode=%d\n",
960 static ssize_t set_dsp_cabc(struct device *dev, struct device_attribute *attr,
961 const char *buf, size_t count)
963 struct fb_info *fbi = dev_get_drvdata(dev);
964 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
965 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
966 int space_max, ret = 0, mode = 0, calc = 0, up = 0, down = 0, global = 0;
967 const char *start = buf;
969 space_max = 10; /*max space number 10*/
970 mode = simple_strtoul(start, NULL, 10);
974 } while ((*start != ' ') && space_max);
976 calc = simple_strtoul(start, NULL, 10);
981 } while ((*start != ' ') && space_max);
983 up = simple_strtoul(start, NULL, 10);
988 } while ((*start != ' ') && space_max);
990 down = simple_strtoul(start, NULL, 10);
995 } while ((*start != ' ') && space_max);
997 global = simple_strtoul(start, NULL, 10);
999 if (dev_drv->ops->set_dsp_cabc)
1000 ret = dev_drv->ops->set_dsp_cabc(dev_drv, mode, calc, up, down, global);
1007 static ssize_t show_dsp_bcsh(struct device *dev,
1008 struct device_attribute *attr, char *buf)
1010 struct fb_info *fbi = dev_get_drvdata(dev);
1011 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1012 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1013 int brightness = 0, contrast = 0, sat_con = 0, sin_hue = 0, cos_hue = 0;
1015 if (dev_drv->ops->get_dsp_bcsh_bcs) {
1016 brightness = dev_drv->ops->get_dsp_bcsh_bcs(dev_drv,
1018 contrast = dev_drv->ops->get_dsp_bcsh_bcs(dev_drv, CONTRAST);
1019 sat_con = dev_drv->ops->get_dsp_bcsh_bcs(dev_drv, SAT_CON);
1021 if (dev_drv->ops->get_dsp_bcsh_hue) {
1022 sin_hue = dev_drv->ops->get_dsp_bcsh_hue(dev_drv, H_SIN);
1023 cos_hue = dev_drv->ops->get_dsp_bcsh_hue(dev_drv, H_COS);
1025 return snprintf(buf, PAGE_SIZE,
1026 "brightness:%4d,contrast:%4d,sat_con:%4d,"
1027 "sin_hue:%4d,cos_hue:%4d\n",
1028 brightness, contrast, sat_con, sin_hue, cos_hue);
1031 static ssize_t set_dsp_bcsh(struct device *dev, struct device_attribute *attr,
1032 const char *buf, size_t count)
1034 struct fb_info *fbi = dev_get_drvdata(dev);
1035 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1036 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1037 int brightness, contrast, sat_con, ret = 0, sin_hue, cos_hue;
1039 if (!strncmp(buf, "open", 4)) {
1040 if (dev_drv->ops->open_bcsh)
1041 ret = dev_drv->ops->open_bcsh(dev_drv, 1);
1044 } else if (!strncmp(buf, "close", 5)) {
1045 if (dev_drv->ops->open_bcsh)
1046 ret = dev_drv->ops->open_bcsh(dev_drv, 0);
1049 } else if (!strncmp(buf, "brightness", 10)) {
1050 sscanf(buf, "brightness %d", &brightness);
1051 if (unlikely(brightness > 255)) {
1053 "brightness should be [0:255],now=%d\n\n",
1057 if (dev_drv->ops->set_dsp_bcsh_bcs)
1058 ret = dev_drv->ops->set_dsp_bcsh_bcs(dev_drv,
1063 } else if (!strncmp(buf, "contrast", 8)) {
1064 sscanf(buf, "contrast %d", &contrast);
1065 if (unlikely(contrast > 510)) {
1067 "contrast should be [0:510],now=%d\n",
1071 if (dev_drv->ops->set_dsp_bcsh_bcs)
1072 ret = dev_drv->ops->set_dsp_bcsh_bcs(dev_drv,
1077 } else if (!strncmp(buf, "sat_con", 7)) {
1078 sscanf(buf, "sat_con %d", &sat_con);
1079 if (unlikely(sat_con > 1015)) {
1081 "sat_con should be [0:1015],now=%d\n",
1085 if (dev_drv->ops->set_dsp_bcsh_bcs)
1086 ret = dev_drv->ops->set_dsp_bcsh_bcs(dev_drv,
1091 } else if (!strncmp(buf, "hue", 3)) {
1092 sscanf(buf, "hue %d %d", &sin_hue, &cos_hue);
1093 if (unlikely(sin_hue > 511 || cos_hue > 511)) {
1094 dev_err(fbi->dev, "sin_hue=%d,cos_hue=%d\n",
1097 if (dev_drv->ops->set_dsp_bcsh_hue)
1098 ret = dev_drv->ops->set_dsp_bcsh_hue(dev_drv,
1104 dev_info(dev, "format error\n");
1113 static ssize_t show_scale(struct device *dev,
1114 struct device_attribute *attr, char *buf)
1116 struct fb_info *fbi = dev_get_drvdata(dev);
1117 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1118 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1120 return snprintf(buf, PAGE_SIZE,
1121 "xscale=%d yscale=%d\nleft=%d top=%d right=%d bottom=%d\n",
1122 (dev_drv->overscan.left + dev_drv->overscan.right) / 2,
1123 (dev_drv->overscan.top + dev_drv->overscan.bottom) / 2,
1124 dev_drv->overscan.left, dev_drv->overscan.top,
1125 dev_drv->overscan.right, dev_drv->overscan.bottom);
1128 static ssize_t set_scale(struct device *dev, struct device_attribute *attr,
1129 const char *buf, size_t count)
1131 struct fb_info *fbi = dev_get_drvdata(dev);
1132 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1133 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1134 u32 left, top, right, bottom;
1136 if (!strncmp(buf, "overscan", 8)) {
1138 "overscan %d,%d,%d,%d", &left, &top, &right, &bottom);
1139 if (left > 0 && left <= 100)
1140 dev_drv->overscan.left = left;
1141 if (top > 0 && top <= 100)
1142 dev_drv->overscan.top = top;
1143 if (right > 0 && right <= 100)
1144 dev_drv->overscan.right = right;
1145 if (bottom > 0 && bottom <= 100)
1146 dev_drv->overscan.bottom = bottom;
1147 } else if (!strncmp(buf, "left", 4)) {
1148 sscanf(buf, "left=%d", &left);
1149 if (left > 0 && left <= 100)
1150 dev_drv->overscan.left = left;
1151 } else if (!strncmp(buf, "top", 3)) {
1152 sscanf(buf, "top=%d", &top);
1153 if (top > 0 && top <= 100)
1154 dev_drv->overscan.top = top;
1155 } else if (!strncmp(buf, "right", 5)) {
1156 sscanf(buf, "right=%d", &right);
1157 if (right > 0 && right <= 100)
1158 dev_drv->overscan.right = right;
1159 } else if (!strncmp(buf, "bottom", 6)) {
1160 sscanf(buf, "bottom=%d", &bottom);
1161 if (bottom > 0 && bottom <= 100)
1162 dev_drv->overscan.bottom = bottom;
1163 } else if (!strncmp(buf, "xscale", 6)) {
1164 sscanf(buf, "xscale=%d", &left);
1165 if (left > 0 && left <= 100) {
1166 dev_drv->overscan.left = left;
1167 dev_drv->overscan.right = left;
1169 } else if (!strncmp(buf, "yscale", 6)) {
1170 sscanf(buf, "yscale=%d", &left);
1171 if (left > 0 && left <= 100) {
1172 dev_drv->overscan.top = left;
1173 dev_drv->overscan.bottom = left;
1176 sscanf(buf, "%d", &left);
1177 if (left > 0 && left <= 100) {
1178 dev_drv->overscan.left = left;
1179 dev_drv->overscan.right = left;
1180 dev_drv->overscan.top = left;
1181 dev_drv->overscan.bottom = left;
1185 if (dev_drv->ops->set_overscan)
1186 dev_drv->ops->set_overscan(dev_drv, &dev_drv->overscan);
1191 static ssize_t show_lcdc_id(struct device *dev,
1192 struct device_attribute *attr,
1195 struct fb_info *fbi = dev_get_drvdata(dev);
1196 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1197 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1199 return snprintf(buf, PAGE_SIZE, "%d\n", dev_drv->id);
1202 static ssize_t show_dsp_mode(struct device *dev,
1203 struct device_attribute *attr,
1206 struct fb_info *fbi = dev_get_drvdata(dev);
1207 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1208 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1210 return snprintf(buf, PAGE_SIZE, "%d\n", dev_drv->dsp_mode);
1213 static ssize_t show_hot_plug_state(struct device *dev,
1214 struct device_attribute *attr,
1217 struct fb_info *fbi = dev_get_drvdata(dev);
1218 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1219 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1221 return snprintf(buf, PAGE_SIZE, "%d\n", dev_drv->hot_plug_state);
1224 static ssize_t show_win_property(struct device *dev,
1225 struct device_attribute *attr,
1228 struct fb_info *fbi = dev_get_drvdata(dev);
1229 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1230 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1233 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
1234 return snprintf(buf, PAGE_SIZE,
1235 "feature: %d, max_input_x: %d, max_input_y: %d\n",
1236 dev_drv->win[win_id]->property.feature,
1237 dev_drv->win[win_id]->property.max_input_x,
1238 dev_drv->win[win_id]->property.max_input_y);
1241 static ssize_t set_car_reverse(struct device *dev,
1242 struct device_attribute *attr,
1243 const char *buf, size_t count)
1245 struct fb_info *fbi = dev_get_drvdata(dev);
1246 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1247 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1251 ret = kstrtou32(buf, 0, &status);
1254 rk_fb_set_car_reverse_status(dev_drv, status);
1259 static struct device_attribute rkfb_attrs[] = {
1260 __ATTR(phys_addr, S_IRUGO, show_phys, NULL),
1261 __ATTR(virt_addr, S_IRUGO, show_virt, NULL),
1262 __ATTR(disp_info, S_IRUGO, show_disp_info, NULL),
1263 __ATTR(dump_buf, S_IRUGO | S_IWUSR, show_dump_buffer, set_dump_buffer),
1264 __ATTR(dsp_buf, S_IRUGO | S_IWUSR, show_dsp_buffer, set_dsp_buffer),
1265 __ATTR(screen_info, S_IRUGO, show_screen_info, NULL),
1266 __ATTR(dual_mode, S_IRUGO, show_dual_mode, NULL),
1267 __ATTR(enable, S_IRUGO | S_IWUSR, show_fb_state, set_fb_state),
1268 __ATTR(overlay, S_IRUGO | S_IWUSR, show_overlay, set_overlay),
1269 __ATTR(fps, S_IRUGO | S_IWUSR, show_fps, set_fps),
1270 __ATTR(map, S_IRUGO | S_IWUSR, show_fb_win_map, set_fb_win_map),
1271 __ATTR(dsp_lut, S_IRUGO | S_IWUSR, show_dsp_lut, set_dsp_lut),
1272 __ATTR(cabc_lut, S_IRUGO | S_IWUSR, show_cabc_lut, set_cabc_lut),
1273 __ATTR(hwc_lut, S_IRUGO | S_IWUSR, show_hwc_lut, set_hwc_lut),
1274 __ATTR(cabc, S_IRUGO | S_IWUSR, show_dsp_cabc, set_dsp_cabc),
1275 __ATTR(bcsh, S_IRUGO | S_IWUSR, show_dsp_bcsh, set_dsp_bcsh),
1276 __ATTR(scale, S_IRUGO | S_IWUSR, show_scale, set_scale),
1277 __ATTR(lcdcid, S_IRUGO, show_lcdc_id, NULL),
1278 __ATTR(win_property, S_IRUGO, show_win_property, NULL),
1279 __ATTR(car_reverse, S_IWUSR, NULL, set_car_reverse),
1280 __ATTR(dsp_mode, S_IRUGO, show_dsp_mode, NULL),
1281 __ATTR(hot_plug_state, S_IRUGO, show_hot_plug_state, NULL),
1284 int rkfb_create_sysfs(struct fb_info *fbi)
1288 for (t = 0; t < ARRAY_SIZE(rkfb_attrs); t++) {
1289 r = device_create_file(fbi->dev, &rkfb_attrs[t]);
1291 dev_err(fbi->dev, "failed to create sysfs " "file\n");
1299 void rkfb_remove_sysfs(struct rk_fb *rk_fb)
1303 for (i = 0; i < rk_fb->num_fb; i++) {
1304 for (t = 0; t < ARRAY_SIZE(rkfb_attrs); t++)
1305 device_remove_file(rk_fb->fb[i]->dev, &rkfb_attrs[t]);