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/sysfs.h>
27 #include <linux/device.h>
28 #include <linux/uaccess.h>
29 #include <linux/platform_device.h>
30 #include <linux/kernel.h>
32 #include <linux/vmalloc.h>
33 #include <asm/div64.h>
34 #include <linux/rk_screen.h>
35 #include <linux/rk_fb.h>
36 #if defined(CONFIG_ION_ROCKCHIP)
37 #include <linux/rockchip_ion.h>
39 #include "bmp_helper.h"
41 static char *get_format_str(enum data_format format)
69 return "FBDC_RGB_565";
71 return "FBDC_ARGB_888";
73 return "FBDC_RGBX_888";
81 static ssize_t show_screen_info(struct device *dev,
82 struct device_attribute *attr, char *buf)
84 struct fb_info *fbi = dev_get_drvdata(dev);
85 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
86 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
87 struct rk_screen *screen = dev_drv->cur_screen;
89 u32 x = screen->mode.left_margin + screen->mode.right_margin +
90 screen->mode.xres + screen->mode.hsync_len;
91 u32 y = screen->mode.upper_margin + screen->mode.lower_margin +
92 screen->mode.yres + screen->mode.vsync_len;
93 u64 ft = (u64)x * y * (dev_drv->pixclock);
96 fps = div64_u64(1000000000000llu, ft);
97 return snprintf(buf, PAGE_SIZE, "xres:%d\nyres:%d\nfps:%d\n",
98 screen->mode.xres, screen->mode.yres, fps);
101 static ssize_t show_disp_info(struct device *dev,
102 struct device_attribute *attr, char *buf)
104 struct fb_info *fbi = dev_get_drvdata(dev);
105 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
106 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
107 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
109 if (dev_drv->ops->get_disp_info)
110 return dev_drv->ops->get_disp_info(dev_drv, buf, win_id);
115 static void fill_buffer(void *handle, void *vaddr, int size)
117 struct file *filp = handle;
120 vfs_write(filp, vaddr, size, &filp->f_pos);
123 static int dump_win(struct rk_fb *rk_fb, struct rk_fb_reg_area_data *area_data,
124 u8 data_format, int win_id, int area_id, bool is_bmp)
126 void __iomem *vaddr = NULL;
130 struct ion_handle *ion_handle = area_data->ion_handle;
131 int width = area_data->xvir;
132 int height = area_data->yvir;
135 vaddr = ion_map_kernel(rk_fb->ion_client, ion_handle);
136 } else if (area_data->smem_start && area_data->smem_start != -1) {
138 unsigned int nr_pages;
142 start = area_data->smem_start;
143 nr_pages = width * height * 3 / 2 / PAGE_SIZE;
144 pages = kzalloc(sizeof(struct page) * nr_pages,GFP_KERNEL);
145 while (i < nr_pages) {
146 pages[i] = phys_to_page(start);
150 vaddr = vmap(pages, nr_pages, VM_MAP,
151 pgprot_writecombine(PAGE_KERNEL));
153 pr_err("failed to vmap phy addr %lx\n",
154 area_data->smem_start);
161 snprintf(name, 100, "/data/win%d_%d_%dx%d_%s.%s", win_id, area_id,
162 width, height, get_format_str(data_format),
163 is_bmp ? "bmp" : "bin");
165 pr_info("dump win == > /data/win%d_%d_%dx%d_%s.%s\n", win_id, area_id,
166 width, height, get_format_str(data_format),
167 is_bmp ? "bmp" : "bin");
169 filp = filp_open(name, O_RDWR | O_CREAT, 0x664);
171 printk("fail to create %s\n", name);
177 bmpencoder(vaddr, width, height,
178 data_format, filp, fill_buffer);
180 fill_buffer(filp, vaddr, width * height * 4);
185 ion_unmap_kernel(rk_fb->ion_client, ion_handle);
187 ion_handle_put(ion_handle);
192 filp_close(filp, NULL);
197 static ssize_t set_dump_info(struct device *dev, struct device_attribute *attr,
198 const char *buf, size_t count)
201 struct fb_info *fbi = dev_get_drvdata(dev);
202 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
203 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
204 struct rk_fb *rk_fb = dev_get_drvdata(fbi->device);
205 struct rk_fb_reg_data *front_regs;
206 struct rk_fb_reg_win_data *win_data;
207 struct rk_fb_reg_area_data *area_data;
211 if (!rk_fb->ion_client)
214 front_regs = kmalloc(sizeof(*front_regs), GFP_KERNEL);
218 mutex_lock(&dev_drv->front_lock);
220 if (!dev_drv->front_regs) {
221 mutex_unlock(&dev_drv->front_lock);
224 memcpy(front_regs, dev_drv->front_regs, sizeof(*front_regs));
225 for (i = 0; i < front_regs->win_num; i++) {
226 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
227 win_data = &front_regs->reg_win_data[i];
228 area_data = &win_data->reg_area_data[j];
229 if (area_data->ion_handle) {
230 ion_handle_get(area_data->ion_handle);
234 mutex_unlock(&dev_drv->front_lock);
236 if (strncmp(buf, "bin", 3))
241 for (i = 0; i < front_regs->win_num; i++) {
242 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
243 win_data = &front_regs->reg_win_data[i];
244 if (dump_win(rk_fb, &win_data->reg_area_data[j],
245 win_data->reg_area_data[i].data_format,i,
255 static ssize_t show_phys(struct device *dev,
256 struct device_attribute *attr, char *buf)
258 struct fb_info *fbi = dev_get_drvdata(dev);
260 return snprintf(buf, PAGE_SIZE, "0x%lx-----0x%x\n",
261 fbi->fix.smem_start, fbi->fix.smem_len);
264 static ssize_t show_virt(struct device *dev,
265 struct device_attribute *attr, char *buf)
267 struct fb_info *fbi = dev_get_drvdata(dev);
269 return snprintf(buf, PAGE_SIZE, "0x%p-----0x%x\n",
270 fbi->screen_base, fbi->fix.smem_len);
273 static ssize_t show_fb_state(struct device *dev,
274 struct device_attribute *attr, char *buf)
276 struct fb_info *fbi = dev_get_drvdata(dev);
277 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
278 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
280 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
281 int state = dev_drv->ops->get_win_state(dev_drv, win_id);
283 return snprintf(buf, PAGE_SIZE, "%s\n", state ? "enabled" : "disabled");
286 static ssize_t show_dual_mode(struct device *dev,
287 struct device_attribute *attr, char *buf)
289 struct fb_info *fbi = dev_get_drvdata(dev);
290 struct rk_fb *rk_fb = dev_get_drvdata(fbi->device);
291 int mode = rk_fb->disp_mode;
293 return snprintf(buf, PAGE_SIZE, "%d\n", mode);
296 static ssize_t set_fb_state(struct device *dev, struct device_attribute *attr,
297 const char *buf, size_t count)
299 struct fb_info *fbi = dev_get_drvdata(dev);
300 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
301 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
302 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
306 ret = kstrtoint(buf, 0, &state);
309 dev_drv->ops->open(dev_drv, win_id, state);
311 dev_drv->ops->set_par(dev_drv, win_id);
312 dev_drv->ops->pan_display(dev_drv, win_id);
313 dev_drv->ops->cfg_done(dev_drv);
318 static ssize_t show_overlay(struct device *dev,
319 struct device_attribute *attr, char *buf)
321 struct fb_info *fbi = dev_get_drvdata(dev);
322 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
323 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
326 if (dev_drv->ops->ovl_mgr)
327 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
332 return snprintf(buf, PAGE_SIZE, "%s\n",
333 ovl ? "win0 on the top of win1" :
334 "win1 on the top of win0");
337 static ssize_t set_overlay(struct device *dev, struct device_attribute *attr,
338 const char *buf, size_t count)
340 struct fb_info *fbi = dev_get_drvdata(dev);
341 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
342 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
346 ret = kstrtou32(buf, 0, &ovl);
349 if (dev_drv->ops->ovl_mgr)
350 ret = dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
357 static ssize_t show_fps(struct device *dev,
358 struct device_attribute *attr, char *buf)
360 struct fb_info *fbi = dev_get_drvdata(dev);
361 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
362 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
365 if (dev_drv->ops->fps_mgr)
366 fps = dev_drv->ops->fps_mgr(dev_drv, 0, 0);
370 return snprintf(buf, PAGE_SIZE, "fps:%d\n", fps);
373 static ssize_t set_fps(struct device *dev, struct device_attribute *attr,
374 const char *buf, size_t count)
376 struct fb_info *fbi = dev_get_drvdata(dev);
377 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
378 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
382 ret = kstrtou32(buf, 0, &fps);
386 if (fps == 0 || fps > 60) {
387 dev_info(dev, "unsupport fps value,pelase set 1~60\n");
391 if (dev_drv->ops->fps_mgr)
392 ret = dev_drv->ops->fps_mgr(dev_drv, fps, 1);
399 static ssize_t show_fb_win_map(struct device *dev,
400 struct device_attribute *attr, char *buf)
403 struct fb_info *fbi = dev_get_drvdata(dev);
404 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
405 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
407 mutex_lock(&dev_drv->fb_win_id_mutex);
409 snprintf(buf, PAGE_SIZE, "fb0:win%d\nfb1:win%d\nfb2:win%d\n",
410 dev_drv->fb0_win_id, dev_drv->fb1_win_id,
411 dev_drv->fb2_win_id);
412 mutex_unlock(&dev_drv->fb_win_id_mutex);
417 static ssize_t set_fb_win_map(struct device *dev, struct device_attribute *attr,
418 const char *buf, size_t count)
420 struct fb_info *fbi = dev_get_drvdata(dev);
421 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
422 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
426 ret = kstrtou32(buf, 0, &order);
427 if ((order != FB0_WIN2_FB1_WIN1_FB2_WIN0) &&
428 (order != FB0_WIN1_FB1_WIN2_FB2_WIN0) &&
429 (order != FB0_WIN2_FB1_WIN0_FB2_WIN1) &&
430 (order != FB0_WIN0_FB1_WIN2_FB2_WIN1) &&
431 (order != FB0_WIN0_FB1_WIN1_FB2_WIN2) &&
432 (order != FB0_WIN1_FB1_WIN0_FB2_WIN2)) {
433 dev_info(dev, "un supported map\n"
434 "you can use the following order:\n" "201:\n"
435 "fb0-win1\n" "fb1-win0\n" "fb2-win2\n" "210:\n"
436 "fb0-win0\n" "fb1-win1\n" "fb2-win2\n" "120:\n"
437 "fb0-win0\n" "fb1-win2\n" "fb2-win1\n" "102:\n"
438 "fb0-win2\n" "fb1-win0\n" "fb2-win1\n" "021:\n"
439 "fb0-win1\n" "fb1-win2\n" "fb2-win0\n" "012:\n"
440 "fb0-win2\n" "fb1-win1\n" "fb2-win0\n");
443 if (dev_drv->ops->fb_win_remap)
444 dev_drv->ops->fb_win_remap(dev_drv, order);
450 static ssize_t show_hwc_lut(struct device *dev,
451 struct device_attribute *attr, char *buf)
456 static ssize_t set_hwc_lut(struct device *dev, struct device_attribute *attr,
457 const char *buf, size_t count)
460 const char *start = buf;
464 struct fb_info *fbi = dev_get_drvdata(dev);
465 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
466 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
468 /*printk("count:%d\n>>%s\n\n",count,start);*/
469 for (i = 0; i < 256; i++) {
470 space_max = 15; /*max space number 15*/
471 temp = simple_strtoul(start, NULL, 16);
476 } while ((*start != ' ') && space_max);
484 for (i = 0; i < 16; i++) {
485 for (j = 0; j < 16; j++)
486 printk("0x%08x ", hwc_lut[i * 16 + j]);
490 if (dev_drv->ops->set_hwc_lut)
491 dev_drv->ops->set_hwc_lut(dev_drv, hwc_lut, 1);
496 static ssize_t show_cabc_lut(struct device *dev,
497 struct device_attribute *attr, char *buf)
502 static ssize_t set_cabc_lut(struct device *dev, struct device_attribute *attr,
503 const char *buf, size_t count)
506 const char *start = buf;
510 struct fb_info *fbi = dev_get_drvdata(dev);
511 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
512 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
514 for (i = 0; i < 256; i++) {
516 /*init by default value*/
517 cabc_lut[i] = temp + (temp << 8) + (temp << 16);
519 for (i = 0; i < 256; i++) {
520 space_max = 10; /*max space number 10*/
521 temp = simple_strtoul(start, NULL, 10);
526 } while ((*start != ' ') && space_max);
533 if (dev_drv->ops->set_cabc_lut)
534 dev_drv->ops->set_cabc_lut(dev_drv, cabc_lut);
540 static ssize_t show_dsp_lut(struct device *dev,
541 struct device_attribute *attr, char *buf)
546 static ssize_t set_dsp_lut(struct device *dev, struct device_attribute *attr,
547 const char *buf, size_t count)
550 const char *start = buf;
554 struct fb_info *fbi = dev_get_drvdata(dev);
555 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
556 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
558 for (i = 0; i < 256; i++) {
560 /*init by default value*/
561 dsp_lut[i] = temp + (temp << 8) + (temp << 16);
563 /*printk("count:%d\n>>%s\n\n",count,start);*/
564 for (i = 0; i < 256; i++) {
565 space_max = 10; /*max space number 10*/
566 temp = simple_strtoul(start, NULL, 10);
571 } while ((*start != ' ') && space_max);
579 for (i = 0; i < 16; i++) {
580 for (j = 0; j < 16; j++)
581 printk("0x%08x ", dsp_lut[i * 16 + j]);
585 if (dev_drv->ops->set_dsp_lut)
586 dev_drv->ops->set_dsp_lut(dev_drv, dsp_lut);
591 static ssize_t show_dsp_cabc(struct device *dev,
592 struct device_attribute *attr, char *buf)
594 struct fb_info *fbi = dev_get_drvdata(dev);
595 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
596 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
598 return snprintf(buf, PAGE_SIZE, "cabc mode=%d\n",
603 static ssize_t set_dsp_cabc(struct device *dev, struct device_attribute *attr,
604 const char *buf, size_t count)
606 struct fb_info *fbi = dev_get_drvdata(dev);
607 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
608 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
611 ret = kstrtoint(buf, 0, &mode);
615 if (dev_drv->ops->set_dsp_cabc)
616 ret = dev_drv->ops->set_dsp_cabc(dev_drv, mode);
623 static ssize_t show_dsp_bcsh(struct device *dev,
624 struct device_attribute *attr, char *buf)
626 struct fb_info *fbi = dev_get_drvdata(dev);
627 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
628 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
629 int brightness, contrast, sat_con, sin_hue, cos_hue;
631 if (dev_drv->ops->get_dsp_bcsh_bcs) {
632 brightness = dev_drv->ops->get_dsp_bcsh_bcs(dev_drv,
634 contrast = dev_drv->ops->get_dsp_bcsh_bcs(dev_drv, CONTRAST);
635 sat_con = dev_drv->ops->get_dsp_bcsh_bcs(dev_drv, SAT_CON);
637 if (dev_drv->ops->get_dsp_bcsh_hue) {
638 sin_hue = dev_drv->ops->get_dsp_bcsh_hue(dev_drv, H_SIN);
639 cos_hue = dev_drv->ops->get_dsp_bcsh_hue(dev_drv, H_COS);
641 return snprintf(buf, PAGE_SIZE,
642 "brightness:%4d,contrast:%4d,sat_con:%4d,"
643 "sin_hue:%4d,cos_hue:%4d\n",
644 brightness, contrast, sat_con, sin_hue, cos_hue);
647 static ssize_t set_dsp_bcsh(struct device *dev, struct device_attribute *attr,
648 const char *buf, size_t count)
650 struct fb_info *fbi = dev_get_drvdata(dev);
651 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
652 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
653 int brightness, contrast, sat_con, ret = 0, sin_hue, cos_hue;
655 if (!strncmp(buf, "open", 4)) {
656 if (dev_drv->ops->open_bcsh)
657 ret = dev_drv->ops->open_bcsh(dev_drv, 1);
660 } else if (!strncmp(buf, "close", 5)) {
661 if (dev_drv->ops->open_bcsh)
662 ret = dev_drv->ops->open_bcsh(dev_drv, 0);
665 } else if (!strncmp(buf, "brightness", 10)) {
666 sscanf(buf, "brightness %d", &brightness);
667 if (unlikely(brightness > 255)) {
669 "brightness should be [0:255],now=%d\n\n",
673 if (dev_drv->ops->set_dsp_bcsh_bcs)
674 ret = dev_drv->ops->set_dsp_bcsh_bcs(dev_drv,
679 } else if (!strncmp(buf, "contrast", 8)) {
680 sscanf(buf, "contrast %d", &contrast);
681 if (unlikely(contrast > 510)) {
683 "contrast should be [0:510],now=%d\n",
687 if (dev_drv->ops->set_dsp_bcsh_bcs)
688 ret = dev_drv->ops->set_dsp_bcsh_bcs(dev_drv,
693 } else if (!strncmp(buf, "sat_con", 7)) {
694 sscanf(buf, "sat_con %d", &sat_con);
695 if (unlikely(sat_con > 1015)) {
697 "sat_con should be [0:1015],now=%d\n",
701 if (dev_drv->ops->set_dsp_bcsh_bcs)
702 ret = dev_drv->ops->set_dsp_bcsh_bcs(dev_drv,
707 } else if (!strncmp(buf, "hue", 3)) {
708 sscanf(buf, "hue %d %d", &sin_hue, &cos_hue);
709 if (unlikely(sin_hue > 511 || cos_hue > 511)) {
710 dev_err(fbi->dev, "sin_hue=%d,cos_hue=%d\n",
713 if (dev_drv->ops->set_dsp_bcsh_hue)
714 ret = dev_drv->ops->set_dsp_bcsh_hue(dev_drv,
720 dev_info(dev, "format error\n");
729 static ssize_t show_scale(struct device *dev,
730 struct device_attribute *attr, char *buf)
732 struct fb_info *fbi = dev_get_drvdata(dev);
733 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
734 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
735 struct rk_screen *screen = dev_drv->cur_screen;
737 return snprintf(buf, PAGE_SIZE,
738 "xscale=%d yscale=%d\nleft=%d top=%d right=%d bottom=%d\n",
739 (screen->overscan.left + screen->overscan.right)/2,
740 (screen->overscan.top + screen->overscan.bottom)/2,
741 screen->overscan.left, screen->overscan.top,
742 screen->overscan.right, screen->overscan.bottom);
745 static ssize_t set_scale(struct device *dev, struct device_attribute *attr,
746 const char *buf, size_t count)
748 struct fb_info *fbi = dev_get_drvdata(dev);
749 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
750 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
751 struct rk_screen *screen = dev_drv->cur_screen;
752 u32 left, top, right, bottom;
754 if (!strncmp(buf, "overscan", 8)) {
756 "overscan %d,%d,%d,%d", &left, &top, &right, &bottom);
757 if (left > 0 && left <= 100)
758 screen->overscan.left = left;
759 if (top > 0 && top <= 100)
760 screen->overscan.top = top;
761 if (right > 0 && right <= 100)
762 screen->overscan.right = right;
763 if (bottom > 0 && bottom <= 100)
764 screen->overscan.bottom = bottom;
765 } else if (!strncmp(buf, "left", 4)) {
766 sscanf(buf, "left=%d", &left);
767 if (left > 0 && left <= 100)
768 screen->overscan.left = left;
769 } else if (!strncmp(buf, "top", 3)) {
770 sscanf(buf, "top=%d", &top);
771 if (top > 0 && top <= 100)
772 screen->overscan.top = top;
773 } else if (!strncmp(buf, "right", 5)) {
774 sscanf(buf, "right=%d", &right);
775 if (right > 0 && right <= 100)
776 screen->overscan.right = right;
777 } else if (!strncmp(buf, "bottom", 6)) {
778 sscanf(buf, "bottom=%d", &bottom);
779 if (bottom > 0 && bottom <= 100)
780 screen->overscan.bottom = bottom;
781 } else if (!strncmp(buf, "xscale", 6)) {
782 sscanf(buf, "xscale=%d", &left);
783 if (left > 0 && left <= 100) {
784 screen->overscan.left = left;
785 screen->overscan.right = left;
787 } else if (!strncmp(buf, "yscale", 6)) {
788 sscanf(buf, "yscale=%d", &left);
789 if (left > 0 && left <= 100) {
790 screen->overscan.top = left;
791 screen->overscan.bottom = left;
794 sscanf(buf, "%d", &left);
795 if (left > 0 && left <= 100) {
796 screen->overscan.left = left;
797 screen->overscan.right = left;
798 screen->overscan.top = left;
799 screen->overscan.bottom = left;
803 if (dev_drv->ops->set_overscan)
804 dev_drv->ops->set_overscan(dev_drv, &screen->overscan);
809 static struct device_attribute rkfb_attrs[] = {
810 __ATTR(phys_addr, S_IRUGO, show_phys, NULL),
811 __ATTR(virt_addr, S_IRUGO, show_virt, NULL),
812 __ATTR(disp_info, S_IRUGO | S_IWUSR, show_disp_info, set_dump_info),
813 __ATTR(screen_info, S_IRUGO, show_screen_info, NULL),
814 __ATTR(dual_mode, S_IRUGO, show_dual_mode, NULL),
815 __ATTR(enable, S_IRUGO | S_IWUSR, show_fb_state, set_fb_state),
816 __ATTR(overlay, S_IRUGO | S_IWUSR, show_overlay, set_overlay),
817 __ATTR(fps, S_IRUGO | S_IWUSR, show_fps, set_fps),
818 __ATTR(map, S_IRUGO | S_IWUSR, show_fb_win_map, set_fb_win_map),
819 __ATTR(dsp_lut, S_IRUGO | S_IWUSR, show_dsp_lut, set_dsp_lut),
820 __ATTR(cabc_lut, S_IRUGO | S_IWUSR, show_cabc_lut, set_cabc_lut),
821 __ATTR(hwc_lut, S_IRUGO | S_IWUSR, show_hwc_lut, set_hwc_lut),
822 __ATTR(cabc, S_IRUGO | S_IWUSR, show_dsp_cabc, set_dsp_cabc),
823 __ATTR(bcsh, S_IRUGO | S_IWUSR, show_dsp_bcsh, set_dsp_bcsh),
824 __ATTR(scale, S_IRUGO | S_IWUSR, show_scale, set_scale),
827 int rkfb_create_sysfs(struct fb_info *fbi)
831 for (t = 0; t < ARRAY_SIZE(rkfb_attrs); t++) {
832 r = device_create_file(fbi->dev, &rkfb_attrs[t]);
834 dev_err(fbi->dev, "failed to create sysfs " "file\n");
842 void rkfb_remove_sysfs(struct rk_fb *rk_fb)
846 for (i = 0; i < rk_fb->num_fb; i++) {
847 for (t = 0; t < ARRAY_SIZE(rkfb_attrs); t++)
848 device_remove_file(rk_fb->fb[i]->dev, &rkfb_attrs[t]);