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)
73 static ssize_t show_screen_info(struct device *dev,
74 struct device_attribute *attr, char *buf)
76 struct fb_info *fbi = dev_get_drvdata(dev);
77 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
78 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
79 struct rk_screen *screen = dev_drv->cur_screen;
81 u32 x = screen->mode.left_margin + screen->mode.right_margin +
82 screen->mode.xres + screen->mode.hsync_len;
83 u32 y = screen->mode.upper_margin + screen->mode.lower_margin +
84 screen->mode.yres + screen->mode.vsync_len;
85 u64 ft = (u64)x * y * (dev_drv->pixclock);
88 fps = div64_u64(1000000000000llu, ft);
89 return snprintf(buf, PAGE_SIZE, "xres:%d\nyres:%d\nfps:%d\n",
90 screen->mode.xres, screen->mode.yres, fps);
93 static ssize_t show_disp_info(struct device *dev,
94 struct device_attribute *attr, char *buf)
96 struct fb_info *fbi = dev_get_drvdata(dev);
97 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
98 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
99 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
101 if (dev_drv->ops->get_disp_info)
102 return dev_drv->ops->get_disp_info(dev_drv, buf, win_id);
107 static void fill_buffer(void *handle, void *vaddr, int size)
109 struct file *filp = handle;
112 vfs_write(filp, vaddr, size, &filp->f_pos);
115 static int dump_win(struct rk_fb *rk_fb, struct rk_fb_reg_area_data *area_data,
116 u8 data_format, int win_id, int area_id, bool is_bmp)
118 void __iomem *vaddr = NULL;
122 struct ion_handle *ion_handle = area_data->ion_handle;
123 int width = area_data->xvir;
124 int height = area_data->yvir;
127 vaddr = ion_map_kernel(rk_fb->ion_client, ion_handle);
128 } else if (area_data->smem_start && area_data->smem_start != -1) {
130 unsigned int nr_pages;
134 start = area_data->smem_start;
135 nr_pages = width * height * 3 / 2 / PAGE_SIZE;
136 pages = kzalloc(sizeof(struct page) * nr_pages,GFP_KERNEL);
137 while (i < nr_pages) {
138 pages[i] = phys_to_page(start);
142 vaddr = vmap(pages, nr_pages, VM_MAP,
143 pgprot_writecombine(PAGE_KERNEL));
145 pr_err("failed to vmap phy addr %lx\n",
146 area_data->smem_start);
153 snprintf(name, 100, "/data/win%d_%d_%dx%d_%s.%s", win_id, area_id,
154 width, height, get_format_str(data_format),
155 is_bmp ? "bmp" : "bin");
157 pr_info("dump win == > /data/win%d_%d_%dx%d_%s.%s\n", win_id, area_id,
158 width, height, get_format_str(data_format),
159 is_bmp ? "bmp" : "bin");
161 filp = filp_open(name, O_RDWR | O_CREAT, 0x664);
163 printk("fail to create %s\n", name);
169 datatobmp(vaddr, width, height, data_format, filp, fill_buffer);
171 fill_buffer(filp, vaddr, width * height * 4);
176 ion_unmap_kernel(rk_fb->ion_client, ion_handle);
178 ion_handle_put(ion_handle);
183 filp_close(filp, NULL);
188 static ssize_t set_dump_info(struct device *dev, struct device_attribute *attr,
189 const char *buf, size_t count)
192 struct fb_info *fbi = dev_get_drvdata(dev);
193 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
194 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
195 struct rk_fb *rk_fb = dev_get_drvdata(fbi->device);
196 struct rk_fb_reg_data *front_regs;
197 struct rk_fb_reg_win_data *win_data;
198 struct rk_fb_reg_area_data *area_data;
202 if (!rk_fb->ion_client)
205 front_regs = kmalloc(sizeof(*front_regs), GFP_KERNEL);
209 mutex_lock(&dev_drv->front_lock);
211 if (!dev_drv->front_regs) {
212 mutex_unlock(&dev_drv->front_lock);
215 memcpy(front_regs, dev_drv->front_regs, sizeof(*front_regs));
216 for (i = 0; i < front_regs->win_num; i++) {
217 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
218 win_data = &front_regs->reg_win_data[i];
219 area_data = &win_data->reg_area_data[j];
220 if (area_data->ion_handle) {
221 ion_handle_get(area_data->ion_handle);
225 mutex_unlock(&dev_drv->front_lock);
227 if (strncmp(buf, "bin", 3))
232 for (i = 0; i < front_regs->win_num; i++) {
233 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
234 win_data = &front_regs->reg_win_data[i];
235 if (dump_win(rk_fb, &win_data->reg_area_data[j],
236 win_data->data_format, i, j, is_img))
245 static ssize_t show_phys(struct device *dev,
246 struct device_attribute *attr, char *buf)
248 struct fb_info *fbi = dev_get_drvdata(dev);
250 return snprintf(buf, PAGE_SIZE, "0x%lx-----0x%x\n",
251 fbi->fix.smem_start, fbi->fix.smem_len);
254 static ssize_t show_virt(struct device *dev,
255 struct device_attribute *attr, char *buf)
257 struct fb_info *fbi = dev_get_drvdata(dev);
259 return snprintf(buf, PAGE_SIZE, "0x%p-----0x%x\n",
260 fbi->screen_base, fbi->fix.smem_len);
263 static ssize_t show_fb_state(struct device *dev,
264 struct device_attribute *attr, char *buf)
266 struct fb_info *fbi = dev_get_drvdata(dev);
267 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
268 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
270 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
271 int state = dev_drv->ops->get_win_state(dev_drv, win_id);
273 return snprintf(buf, PAGE_SIZE, "%s\n", state ? "enabled" : "disabled");
276 static ssize_t show_dual_mode(struct device *dev,
277 struct device_attribute *attr, char *buf)
279 struct fb_info *fbi = dev_get_drvdata(dev);
280 struct rk_fb *rk_fb = dev_get_drvdata(fbi->device);
281 int mode = rk_fb->disp_mode;
283 return snprintf(buf, PAGE_SIZE, "%d\n", mode);
286 static ssize_t set_fb_state(struct device *dev, struct device_attribute *attr,
287 const char *buf, size_t count)
289 struct fb_info *fbi = dev_get_drvdata(dev);
290 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
291 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
292 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
296 ret = kstrtoint(buf, 0, &state);
299 dev_drv->ops->open(dev_drv, win_id, state);
301 dev_drv->ops->set_par(dev_drv, win_id);
302 dev_drv->ops->pan_display(dev_drv, win_id);
303 dev_drv->ops->cfg_done(dev_drv);
308 static ssize_t show_overlay(struct device *dev,
309 struct device_attribute *attr, char *buf)
311 struct fb_info *fbi = dev_get_drvdata(dev);
312 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
313 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
316 if (dev_drv->ops->ovl_mgr)
317 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
322 return snprintf(buf, PAGE_SIZE, "%s\n",
323 ovl ? "win0 on the top of win1" :
324 "win1 on the top of win0");
327 static ssize_t set_overlay(struct device *dev, struct device_attribute *attr,
328 const char *buf, size_t count)
330 struct fb_info *fbi = dev_get_drvdata(dev);
331 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
332 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
336 ret = kstrtou32(buf, 0, &ovl);
339 if (dev_drv->ops->ovl_mgr)
340 ret = dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
347 static ssize_t show_fps(struct device *dev,
348 struct device_attribute *attr, char *buf)
350 struct fb_info *fbi = dev_get_drvdata(dev);
351 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
352 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
355 if (dev_drv->ops->fps_mgr)
356 fps = dev_drv->ops->fps_mgr(dev_drv, 0, 0);
360 return snprintf(buf, PAGE_SIZE, "fps:%d\n", fps);
363 static ssize_t set_fps(struct device *dev, struct device_attribute *attr,
364 const char *buf, size_t count)
366 struct fb_info *fbi = dev_get_drvdata(dev);
367 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
368 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
372 ret = kstrtou32(buf, 0, &fps);
376 if (fps == 0 || fps > 60) {
377 dev_info(dev, "unsupport fps value,pelase set 1~60\n");
381 if (dev_drv->ops->fps_mgr)
382 ret = dev_drv->ops->fps_mgr(dev_drv, fps, 1);
389 static ssize_t show_fb_win_map(struct device *dev,
390 struct device_attribute *attr, char *buf)
393 struct fb_info *fbi = dev_get_drvdata(dev);
394 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
395 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
397 mutex_lock(&dev_drv->fb_win_id_mutex);
399 snprintf(buf, PAGE_SIZE, "fb0:win%d\nfb1:win%d\nfb2:win%d\n",
400 dev_drv->fb0_win_id, dev_drv->fb1_win_id,
401 dev_drv->fb2_win_id);
402 mutex_unlock(&dev_drv->fb_win_id_mutex);
407 static ssize_t set_fb_win_map(struct device *dev, struct device_attribute *attr,
408 const char *buf, size_t count)
410 struct fb_info *fbi = dev_get_drvdata(dev);
411 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
412 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
416 ret = kstrtou32(buf, 0, &order);
417 if ((order != FB0_WIN2_FB1_WIN1_FB2_WIN0) &&
418 (order != FB0_WIN1_FB1_WIN2_FB2_WIN0) &&
419 (order != FB0_WIN2_FB1_WIN0_FB2_WIN1) &&
420 (order != FB0_WIN0_FB1_WIN2_FB2_WIN1) &&
421 (order != FB0_WIN0_FB1_WIN1_FB2_WIN2) &&
422 (order != FB0_WIN1_FB1_WIN0_FB2_WIN2)) {
423 dev_info(dev, "un supported map\n"
424 "you can use the following order:\n" "201:\n"
425 "fb0-win1\n" "fb1-win0\n" "fb2-win2\n" "210:\n"
426 "fb0-win0\n" "fb1-win1\n" "fb2-win2\n" "120:\n"
427 "fb0-win0\n" "fb1-win2\n" "fb2-win1\n" "102:\n"
428 "fb0-win2\n" "fb1-win0\n" "fb2-win1\n" "021:\n"
429 "fb0-win1\n" "fb1-win2\n" "fb2-win0\n" "012:\n"
430 "fb0-win2\n" "fb1-win1\n" "fb2-win0\n");
433 if (dev_drv->ops->fb_win_remap)
434 dev_drv->ops->fb_win_remap(dev_drv, order);
440 static ssize_t show_hwc_lut(struct device *dev,
441 struct device_attribute *attr, char *buf)
446 static ssize_t set_hwc_lut(struct device *dev, struct device_attribute *attr,
447 const char *buf, size_t count)
450 const char *start = buf;
454 struct fb_info *fbi = dev_get_drvdata(dev);
455 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
456 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
458 /*printk("count:%d\n>>%s\n\n",count,start);*/
459 for (i = 0; i < 256; i++) {
460 space_max = 15; /*max space number 15*/
461 temp = simple_strtoul(start, NULL, 16);
466 } while ((*start != ' ') && space_max);
474 for (i = 0; i < 16; i++) {
475 for (j = 0; j < 16; j++)
476 printk("0x%08x ", hwc_lut[i * 16 + j]);
480 if (dev_drv->ops->set_hwc_lut)
481 dev_drv->ops->set_hwc_lut(dev_drv, hwc_lut, 1);
486 static ssize_t show_dsp_lut(struct device *dev,
487 struct device_attribute *attr, char *buf)
492 static ssize_t set_dsp_lut(struct device *dev, struct device_attribute *attr,
493 const char *buf, size_t count)
496 const char *start = buf;
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;
504 for (i = 0; i < 256; i++) {
506 /*init by default value*/
507 dsp_lut[i] = temp + (temp << 8) + (temp << 16);
509 /*printk("count:%d\n>>%s\n\n",count,start);*/
510 for (i = 0; i < 256; i++) {
511 space_max = 10; /*max space number 10*/
512 temp = simple_strtoul(start, NULL, 10);
517 } while ((*start != ' ') && space_max);
525 for (i = 0; i < 16; i++) {
526 for (j = 0; j < 16; j++)
527 printk("0x%08x ", dsp_lut[i * 16 + j]);
531 if (dev_drv->ops->set_dsp_lut)
532 dev_drv->ops->set_dsp_lut(dev_drv, dsp_lut);
537 static ssize_t show_dsp_cabc(struct device *dev,
538 struct device_attribute *attr, char *buf)
540 struct fb_info *fbi = dev_get_drvdata(dev);
541 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
542 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
544 return snprintf(buf, PAGE_SIZE, "cabc mode=%d\n",
549 static ssize_t set_dsp_cabc(struct device *dev, struct device_attribute *attr,
550 const char *buf, size_t count)
552 struct fb_info *fbi = dev_get_drvdata(dev);
553 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
554 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
557 ret = kstrtoint(buf, 0, &mode);
561 if (dev_drv->ops->set_dsp_cabc)
562 ret = dev_drv->ops->set_dsp_cabc(dev_drv, mode);
569 static ssize_t show_dsp_bcsh(struct device *dev,
570 struct device_attribute *attr, char *buf)
572 struct fb_info *fbi = dev_get_drvdata(dev);
573 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
574 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
575 int brightness, contrast, sat_con, sin_hue, cos_hue;
577 if (dev_drv->ops->get_dsp_bcsh_bcs) {
578 brightness = dev_drv->ops->get_dsp_bcsh_bcs(dev_drv,
580 contrast = dev_drv->ops->get_dsp_bcsh_bcs(dev_drv, CONTRAST);
581 sat_con = dev_drv->ops->get_dsp_bcsh_bcs(dev_drv, SAT_CON);
583 if (dev_drv->ops->get_dsp_bcsh_hue) {
584 sin_hue = dev_drv->ops->get_dsp_bcsh_hue(dev_drv, H_SIN);
585 cos_hue = dev_drv->ops->get_dsp_bcsh_hue(dev_drv, H_COS);
587 return snprintf(buf, PAGE_SIZE,
588 "brightness:%4d,contrast:%4d,sat_con:%4d,"
589 "sin_hue:%4d,cos_hue:%4d\n",
590 brightness, contrast, sat_con, sin_hue, cos_hue);
593 static ssize_t set_dsp_bcsh(struct device *dev, struct device_attribute *attr,
594 const char *buf, size_t count)
596 struct fb_info *fbi = dev_get_drvdata(dev);
597 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
598 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
599 int brightness, contrast, sat_con, ret = 0, sin_hue, cos_hue;
601 if (!strncmp(buf, "open", 4)) {
602 if (dev_drv->ops->open_bcsh)
603 ret = dev_drv->ops->open_bcsh(dev_drv, 1);
606 } else if (!strncmp(buf, "close", 5)) {
607 if (dev_drv->ops->open_bcsh)
608 ret = dev_drv->ops->open_bcsh(dev_drv, 0);
611 } else if (!strncmp(buf, "brightness", 10)) {
612 sscanf(buf, "brightness %d", &brightness);
613 if (unlikely(brightness > 255)) {
615 "brightness should be [0:255],now=%d\n\n",
619 if (dev_drv->ops->set_dsp_bcsh_bcs)
620 ret = dev_drv->ops->set_dsp_bcsh_bcs(dev_drv,
625 } else if (!strncmp(buf, "contrast", 8)) {
626 sscanf(buf, "contrast %d", &contrast);
627 if (unlikely(contrast > 510)) {
629 "contrast should be [0:510],now=%d\n",
633 if (dev_drv->ops->set_dsp_bcsh_bcs)
634 ret = dev_drv->ops->set_dsp_bcsh_bcs(dev_drv,
639 } else if (!strncmp(buf, "sat_con", 7)) {
640 sscanf(buf, "sat_con %d", &sat_con);
641 if (unlikely(sat_con > 1015)) {
643 "sat_con should be [0:1015],now=%d\n",
647 if (dev_drv->ops->set_dsp_bcsh_bcs)
648 ret = dev_drv->ops->set_dsp_bcsh_bcs(dev_drv,
653 } else if (!strncmp(buf, "hue", 3)) {
654 sscanf(buf, "hue %d %d", &sin_hue, &cos_hue);
655 if (unlikely(sin_hue > 511 || cos_hue > 511)) {
656 dev_err(fbi->dev, "sin_hue=%d,cos_hue=%d\n",
659 if (dev_drv->ops->set_dsp_bcsh_hue)
660 ret = dev_drv->ops->set_dsp_bcsh_hue(dev_drv,
666 dev_info(dev, "format error\n");
675 static ssize_t show_scale(struct device *dev,
676 struct device_attribute *attr, char *buf)
678 struct fb_info *fbi = dev_get_drvdata(dev);
679 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
680 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
681 struct rk_screen *screen = dev_drv->cur_screen;
683 return snprintf(buf, PAGE_SIZE,
684 "xscale=%d yscale=%d\nleft=%d top=%d right=%d bottom=%d\n",
685 (screen->overscan.left + screen->overscan.right)/2,
686 (screen->overscan.top + screen->overscan.bottom)/2,
687 screen->overscan.left, screen->overscan.top,
688 screen->overscan.right, screen->overscan.bottom);
691 static ssize_t set_scale(struct device *dev, struct device_attribute *attr,
692 const char *buf, size_t count)
694 struct fb_info *fbi = dev_get_drvdata(dev);
695 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
696 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
697 struct rk_screen *screen = dev_drv->cur_screen;
698 u32 left, top, right, bottom;
700 if (!strncmp(buf, "overscan", 8)) {
702 "overscan %d,%d,%d,%d", &left, &top, &right, &bottom);
703 if (left > 0 && left <= 100)
704 screen->overscan.left = left;
705 if (top > 0 && top <= 100)
706 screen->overscan.top = top;
707 if (right > 0 && right <= 100)
708 screen->overscan.right = right;
709 if (bottom > 0 && bottom <= 100)
710 screen->overscan.bottom = bottom;
711 } else if (!strncmp(buf, "left", 4)) {
712 sscanf(buf, "left=%d", &left);
713 if (left > 0 && left <= 100)
714 screen->overscan.left = left;
715 } else if (!strncmp(buf, "top", 3)) {
716 sscanf(buf, "top=%d", &top);
717 if (top > 0 && top <= 100)
718 screen->overscan.top = top;
719 } else if (!strncmp(buf, "right", 5)) {
720 sscanf(buf, "right=%d", &right);
721 if (right > 0 && right <= 100)
722 screen->overscan.right = right;
723 } else if (!strncmp(buf, "bottom", 6)) {
724 sscanf(buf, "bottom=%d", &bottom);
725 if (bottom > 0 && bottom <= 100)
726 screen->overscan.bottom = bottom;
727 } else if (!strncmp(buf, "xscale", 6)) {
728 sscanf(buf, "xscale=%d", &left);
729 if (left > 0 && left <= 100) {
730 screen->overscan.left = left;
731 screen->overscan.right = left;
733 } else if (!strncmp(buf, "yscale", 6)) {
734 sscanf(buf, "yscale=%d", &left);
735 if (left > 0 && left <= 100) {
736 screen->overscan.top = left;
737 screen->overscan.bottom = left;
740 sscanf(buf, "%d", &left);
741 if (left > 0 && left <= 100) {
742 screen->overscan.left = left;
743 screen->overscan.right = left;
744 screen->overscan.top = left;
745 screen->overscan.bottom = left;
749 if (dev_drv->ops->set_overscan)
750 dev_drv->ops->set_overscan(dev_drv, &screen->overscan);
755 static struct device_attribute rkfb_attrs[] = {
756 __ATTR(phys_addr, S_IRUGO, show_phys, NULL),
757 __ATTR(virt_addr, S_IRUGO, show_virt, NULL),
758 __ATTR(disp_info, S_IRUGO | S_IWUSR, show_disp_info, set_dump_info),
759 __ATTR(screen_info, S_IRUGO, show_screen_info, NULL),
760 __ATTR(dual_mode, S_IRUGO, show_dual_mode, NULL),
761 __ATTR(enable, S_IRUGO | S_IWUSR, show_fb_state, set_fb_state),
762 __ATTR(overlay, S_IRUGO | S_IWUSR, show_overlay, set_overlay),
763 __ATTR(fps, S_IRUGO | S_IWUSR, show_fps, set_fps),
764 __ATTR(map, S_IRUGO | S_IWUSR, show_fb_win_map, set_fb_win_map),
765 __ATTR(dsp_lut, S_IRUGO | S_IWUSR, show_dsp_lut, set_dsp_lut),
766 __ATTR(hwc_lut, S_IRUGO | S_IWUSR, show_hwc_lut, set_hwc_lut),
767 __ATTR(cabc, S_IRUGO | S_IWUSR, show_dsp_cabc, set_dsp_cabc),
768 __ATTR(bcsh, S_IRUGO | S_IWUSR, show_dsp_bcsh, set_dsp_bcsh),
769 __ATTR(scale, S_IRUGO | S_IWUSR, show_scale, set_scale),
772 int rkfb_create_sysfs(struct fb_info *fbi)
776 for (t = 0; t < ARRAY_SIZE(rkfb_attrs); t++) {
777 r = device_create_file(fbi->dev, &rkfb_attrs[t]);
779 dev_err(fbi->dev, "failed to create sysfs " "file\n");
787 void rkfb_remove_sysfs(struct rk_fb *rk_fb)
791 for (i = 0; i < rk_fb->num_fb; i++) {
792 for (t = 0; t < ARRAY_SIZE(rkfb_attrs); t++)
793 device_remove_file(rk_fb->fb[i]->dev, &rkfb_attrs[t]);