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"
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, "xres:%d\nyres:%d\nfps:%d\n",
108 screen->mode.xres, screen->mode.yres, fps);
111 static ssize_t show_disp_info(struct device *dev,
112 struct device_attribute *attr, char *buf)
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);
119 if (dev_drv->ops->get_disp_info)
120 return dev_drv->ops->get_disp_info(dev_drv, buf, win_id);
125 static void fill_buffer(void *handle, void *vaddr, int size)
127 struct file *filp = handle;
130 vfs_write(filp, vaddr, size, &filp->f_pos);
133 static int dump_win(struct ion_client *ion_client,
134 struct ion_handle *ion_handle, phys_addr_t phys_addr,
135 int width, int height, u8 data_format, uint32_t frameid,
136 int win_id, int area_id, bool is_bmp, bool is_append)
138 void __iomem *vaddr = NULL;
145 switch (data_format) {
175 vaddr = ion_map_kernel(ion_client, ion_handle);
176 } else if (phys_addr) {
178 unsigned int nr_pages;
183 nr_pages = roundup(width * height * (bits >> 3), PAGE_SIZE);
184 nr_pages /= PAGE_SIZE;
185 pages = kzalloc(sizeof(struct page) * nr_pages,GFP_KERNEL);
186 while (i < nr_pages) {
187 pages[i] = phys_to_page(start);
191 vaddr = vmap(pages, nr_pages, VM_MAP,
192 pgprot_writecombine(PAGE_KERNEL));
194 pr_err("failed to vmap phy addr %lx\n",
202 flags = O_RDWR | O_CREAT | O_NONBLOCK;
204 snprintf(name, 100, "%s/append_win%d_%d_%dx%d_%s.%s",
205 DUMP_BUF_PATH, win_id, area_id, width, height,
206 get_format_str(data_format), is_bmp ? "bmp" : "bin");
209 snprintf(name, 100, "%s/frame%d_win%d_%d_%dx%d_%s.%s",
210 DUMP_BUF_PATH, frameid, win_id, area_id, width, height,
211 get_format_str(data_format), is_bmp ? "bmp" : "bin");
214 pr_info("dump win == > %s\n", name);
215 filp = filp_open(name, flags, 0x600);
217 printk("fail to create %s\n", name);
223 bmpencoder(vaddr, width, height,
224 data_format, filp, fill_buffer);
226 fill_buffer(filp, vaddr, width * height * bits >> 3);
231 ion_unmap_kernel(ion_client, ion_handle);
235 filp_close(filp, NULL);
240 static ssize_t show_dump_buffer(struct device *dev,
241 struct device_attribute *attr, char *buf)
245 size = snprintf(buf, PAGE_SIZE,
246 "bmp -- dump buffer to bmp image\n"
247 "bin -- dump buffer to bin image\n"
248 "multi -- each dump will create new file\n"
249 "win=num -- mask win to dump, default mask all\n"
250 " win=1, will dump win1 buffer\n"
251 " win=23, will dump win2 area3 buffer\n"
252 "trace=num -- trace num frames buffer dump\n"
253 " this option will block buffer switch\n"
254 " so recommend use with bin and win=xx\n"
256 "echo bmp > dump_buf; -- dump current buf to bmp file\n"
257 "echo bin > dump_buf; -- dump current buf to bin file\n"
258 "echo trace=50:win=1:win=23 > dump_buf\n"
259 " -- dump 50 frames, dump win1 and win2 area3\n"
260 " -- dump all buffer to single file\n"
261 "You can found dump files at %s\n"
267 void trace_buffer_dump(struct device *dev, struct rk_lcdc_driver *dev_drv)
269 struct rk_fb *rk_fb = dev_get_drvdata(dev);
270 struct rk_fb_reg_data *front_regs;
271 struct rk_fb_reg_win_data *win_data;
272 struct rk_fb_reg_area_data *area_data;
273 struct rkfb_sys_trace *trace = dev_drv->trace_buf;
278 if (trace->num_frames <= trace->count_frame)
281 if (!dev_drv->front_regs)
283 front_regs = dev_drv->front_regs;
285 for (i = 0; i < front_regs->win_num; i++) {
286 if (trace->mask_win && !(trace->mask_win & (1 << i)))
288 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
289 win_data = &front_regs->reg_win_data[i];
290 area_data = &win_data->reg_area_data[j];
291 if (trace->mask_area && !(trace->mask_area & (1 << j)))
294 dump_win(rk_fb->ion_client, area_data->ion_handle,
295 area_data->smem_start,
296 area_data->xvir, area_data->yvir,
297 area_data->data_format, trace->count_frame,
298 i, j, trace->is_bmp, trace->is_append);
301 trace->count_frame++;
304 static ssize_t set_dump_buffer(struct device *dev,
305 struct device_attribute *attr,
306 const char *buf, size_t count)
308 struct fb_info *fbi = dev_get_drvdata(dev);
309 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
310 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
311 struct rk_fb *rk_fb = dev_get_drvdata(fbi->device);
312 struct rk_fb_reg_data *front_regs;
313 struct rk_fb_reg_win_data *win_data;
314 struct rk_fb_reg_area_data *area_data;
315 struct rkfb_sys_trace *trace;
316 struct dentry *dentry;
323 bool is_append = true;
327 if (!rk_fb->ion_client)
330 if (!dev_drv->trace_buf) {
331 dev_drv->trace_buf = devm_kmalloc(dev_drv->dev,
332 sizeof(struct rkfb_sys_trace),
334 if (!dev_drv->trace_buf)
337 trace = dev_drv->trace_buf;
341 trace->num_frames = 0;
343 while ((p = strsep((char **)&buf, ":")) != NULL) {
346 if (!strncmp(p, "trace=", 6)) {
347 if (kstrtoint(p + 6, 0, &num_frames))
348 dev_err(dev, "can't found trace frames\n");
351 if (!strncmp(p, "win=", 4)) {
354 if (kstrtoint(p + 4, 0, &win))
355 dev_err(dev, "can't found trace frames\n");
357 mask_win |= 1 << win;
359 mask_win |= 1 << (win / 10);
360 mask_area |= 1 << (win % 10);
365 if (!strncmp(p, "bmp", 3)) {
370 if (!strncmp(p, "bin", 3)) {
374 if (!strncmp(p, "multi", 5)) {
380 dev_err(dev, "unknown option %s\n", p);
383 dentry = kern_path_create(AT_FDCWD, DUMP_BUF_PATH, &path,
385 if (!IS_ERR(dentry)) {
386 err = vfs_mkdir(path.dentry->d_inode, dentry, 700);
388 dev_err(dev, "can't create %s err%d\n",
390 done_path_create(&path, dentry);
391 } else if (PTR_ERR(dentry) != -EEXIST) {
392 dev_err(dev, "can't create PATH %s err%d\n",
394 return PTR_ERR(dentry);
398 mutex_lock(&dev_drv->front_lock);
400 if (!dev_drv->front_regs) {
405 mutex_unlock(&dev_drv->front_lock);
407 if (dev_drv->ops->get_dspbuf_info)
408 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
409 &yact, &data_format, &dsp_addr);
411 dump_win(NULL, NULL, dsp_addr, xact, yact, data_format,
412 0, 0, 0, is_bmp, false);
415 front_regs = kmalloc(sizeof(*front_regs), GFP_KERNEL);
418 memcpy(front_regs, dev_drv->front_regs, sizeof(*front_regs));
420 for (i = 0; i < front_regs->win_num; i++) {
421 if (mask_win && !(mask_win & (1 << i)))
423 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
424 if (mask_area && !(mask_area & (1 << j)))
426 win_data = &front_regs->reg_win_data[i];
427 area_data = &win_data->reg_area_data[j];
428 if (area_data->ion_handle)
429 ion_handle_get(area_data->ion_handle);
433 for (i = 0; i < front_regs->win_num; i++) {
434 if (mask_win && !(mask_win & (1 << i)))
436 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
437 if (mask_area && !(mask_area & (1 << j)))
440 win_data = &front_regs->reg_win_data[i];
441 area_data = &win_data->reg_area_data[j];
443 dump_win(rk_fb->ion_client, area_data->ion_handle,
444 area_data->smem_start,
445 area_data->xvir, area_data->yvir,
446 area_data->data_format, trace->count_frame,
447 i, j, trace->is_bmp, trace->is_append);
448 if (area_data->ion_handle)
449 ion_handle_put(area_data->ion_handle);
455 mutex_unlock(&dev_drv->front_lock);
457 trace->num_frames = num_frames;
458 trace->count_frame = 0;
459 trace->is_bmp = is_bmp;
460 trace->is_append = is_append;
461 trace->mask_win = mask_win;
462 trace->mask_area = mask_area;
469 static ssize_t show_phys(struct device *dev,
470 struct device_attribute *attr, char *buf)
472 struct fb_info *fbi = dev_get_drvdata(dev);
474 return snprintf(buf, PAGE_SIZE, "0x%lx-----0x%x\n",
475 fbi->fix.smem_start, fbi->fix.smem_len);
478 static ssize_t show_virt(struct device *dev,
479 struct device_attribute *attr, char *buf)
481 struct fb_info *fbi = dev_get_drvdata(dev);
483 return snprintf(buf, PAGE_SIZE, "0x%p-----0x%x\n",
484 fbi->screen_base, fbi->fix.smem_len);
487 static ssize_t show_fb_state(struct device *dev,
488 struct device_attribute *attr, char *buf)
490 struct fb_info *fbi = dev_get_drvdata(dev);
491 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
492 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
494 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
495 int state = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
497 return snprintf(buf, PAGE_SIZE, "%s\n", state ? "enabled" : "disabled");
500 static ssize_t show_dual_mode(struct device *dev,
501 struct device_attribute *attr, char *buf)
503 struct fb_info *fbi = dev_get_drvdata(dev);
504 struct rk_fb *rk_fb = dev_get_drvdata(fbi->device);
505 int mode = rk_fb->disp_mode;
507 return snprintf(buf, PAGE_SIZE, "%d\n", mode);
510 static ssize_t set_fb_state(struct device *dev, struct device_attribute *attr,
511 const char *buf, size_t count)
513 struct fb_info *fbi = dev_get_drvdata(dev);
514 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
515 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
516 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
520 ret = kstrtoint(buf, 0, &state);
523 dev_drv->ops->open(dev_drv, win_id, state);
525 dev_drv->ops->set_par(dev_drv, win_id);
526 dev_drv->ops->pan_display(dev_drv, win_id);
527 dev_drv->ops->cfg_done(dev_drv);
532 static ssize_t show_overlay(struct device *dev,
533 struct device_attribute *attr, char *buf)
535 struct fb_info *fbi = dev_get_drvdata(dev);
536 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
537 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
540 if (dev_drv->ops->ovl_mgr)
541 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
546 return snprintf(buf, PAGE_SIZE, "%s\n",
547 ovl ? "win0 on the top of win1" :
548 "win1 on the top of win0");
551 static ssize_t set_overlay(struct device *dev, struct device_attribute *attr,
552 const char *buf, size_t count)
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;
560 ret = kstrtou32(buf, 0, &ovl);
563 if (dev_drv->ops->ovl_mgr)
564 ret = dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
571 static ssize_t show_fps(struct device *dev,
572 struct device_attribute *attr, char *buf)
574 struct fb_info *fbi = dev_get_drvdata(dev);
575 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
576 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
579 if (dev_drv->ops->fps_mgr)
580 fps = dev_drv->ops->fps_mgr(dev_drv, 0, 0);
584 return snprintf(buf, PAGE_SIZE, "fps:%d\n", fps);
587 static ssize_t set_fps(struct device *dev, struct device_attribute *attr,
588 const char *buf, size_t count)
590 struct fb_info *fbi = dev_get_drvdata(dev);
591 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
592 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
596 ret = kstrtou32(buf, 0, &fps);
600 if (fps == 0 || fps > 60) {
601 dev_info(dev, "unsupport fps value,pelase set 1~60\n");
605 if (dev_drv->ops->fps_mgr)
606 ret = dev_drv->ops->fps_mgr(dev_drv, fps, 1);
613 static ssize_t show_fb_win_map(struct device *dev,
614 struct device_attribute *attr, char *buf)
617 struct fb_info *fbi = dev_get_drvdata(dev);
618 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
619 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
621 mutex_lock(&dev_drv->fb_win_id_mutex);
623 snprintf(buf, PAGE_SIZE, "fb0:win%d\nfb1:win%d\nfb2:win%d\n",
624 dev_drv->fb0_win_id, dev_drv->fb1_win_id,
625 dev_drv->fb2_win_id);
626 mutex_unlock(&dev_drv->fb_win_id_mutex);
631 static ssize_t set_fb_win_map(struct device *dev, struct device_attribute *attr,
632 const char *buf, size_t count)
634 struct fb_info *fbi = dev_get_drvdata(dev);
635 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
636 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
640 ret = kstrtou32(buf, 0, &order);
641 if ((order != FB0_WIN2_FB1_WIN1_FB2_WIN0) &&
642 (order != FB0_WIN1_FB1_WIN2_FB2_WIN0) &&
643 (order != FB0_WIN2_FB1_WIN0_FB2_WIN1) &&
644 (order != FB0_WIN0_FB1_WIN2_FB2_WIN1) &&
645 (order != FB0_WIN0_FB1_WIN1_FB2_WIN2) &&
646 (order != FB0_WIN1_FB1_WIN0_FB2_WIN2)) {
647 dev_info(dev, "un supported map\n"
648 "you can use the following order:\n" "201:\n"
649 "fb0-win1\n" "fb1-win0\n" "fb2-win2\n" "210:\n"
650 "fb0-win0\n" "fb1-win1\n" "fb2-win2\n" "120:\n"
651 "fb0-win0\n" "fb1-win2\n" "fb2-win1\n" "102:\n"
652 "fb0-win2\n" "fb1-win0\n" "fb2-win1\n" "021:\n"
653 "fb0-win1\n" "fb1-win2\n" "fb2-win0\n" "012:\n"
654 "fb0-win2\n" "fb1-win1\n" "fb2-win0\n");
657 if (dev_drv->ops->fb_win_remap)
658 dev_drv->ops->fb_win_remap(dev_drv, order);
664 static ssize_t show_hwc_lut(struct device *dev,
665 struct device_attribute *attr, char *buf)
670 static ssize_t set_hwc_lut(struct device *dev, struct device_attribute *attr,
671 const char *buf, size_t count)
674 const char *start = 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;
682 /*printk("count:%d\n>>%s\n\n",count,start);*/
683 for (i = 0; i < 256; i++) {
684 space_max = 15; /*max space number 15*/
685 temp = simple_strtoul(start, NULL, 16);
690 } while ((*start != ' ') && space_max);
698 for (i = 0; i < 16; i++) {
699 for (j = 0; j < 16; j++)
700 printk("0x%08x ", hwc_lut[i * 16 + j]);
704 if (dev_drv->ops->set_hwc_lut)
705 dev_drv->ops->set_hwc_lut(dev_drv, hwc_lut, 1);
710 static ssize_t show_cabc_lut(struct device *dev,
711 struct device_attribute *attr, char *buf)
716 static ssize_t set_cabc_lut(struct device *dev, struct device_attribute *attr,
717 const char *buf, size_t count)
720 const char *start = buf;
724 struct fb_info *fbi = dev_get_drvdata(dev);
725 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
726 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
728 for (i = 0; i < 256; i++) {
730 /*init by default value*/
731 cabc_lut[i] = temp + (temp << 8) + (temp << 16);
733 for (i = 0; i < 256; i++) {
734 space_max = 10; /*max space number 10*/
735 temp = simple_strtoul(start, NULL, 10);
740 } while ((*start != ' ') && space_max);
747 if (dev_drv->ops->set_cabc_lut)
748 dev_drv->ops->set_cabc_lut(dev_drv, cabc_lut);
753 static ssize_t show_dsp_lut(struct device *dev,
754 struct device_attribute *attr, char *buf)
759 static ssize_t set_dsp_lut(struct device *dev, struct device_attribute *attr,
760 const char *buf, size_t count)
763 const char *start = buf;
767 struct fb_info *fbi = dev_get_drvdata(dev);
768 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
769 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
771 for (i = 0; i < 256; i++) {
773 /*init by default value*/
774 dsp_lut[i] = temp + (temp << 8) + (temp << 16);
776 /*printk("count:%d\n>>%s\n\n",count,start);*/
777 for (i = 0; i < 256; i++) {
778 space_max = 10; /*max space number 10*/
779 temp = simple_strtoul(start, NULL, 10);
784 } while ((*start != ' ') && space_max);
792 for (i = 0; i < 16; i++) {
793 for (j = 0; j < 16; j++)
794 printk("0x%08x ", dsp_lut[i * 16 + j]);
798 if (dev_drv->ops->set_dsp_lut)
799 dev_drv->ops->set_dsp_lut(dev_drv, dsp_lut);
804 static ssize_t show_dsp_cabc(struct device *dev,
805 struct device_attribute *attr, char *buf)
807 struct fb_info *fbi = dev_get_drvdata(dev);
808 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
809 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
811 return snprintf(buf, PAGE_SIZE, "cabc mode=%d\n",
816 static ssize_t set_dsp_cabc(struct device *dev, struct device_attribute *attr,
817 const char *buf, size_t count)
819 struct fb_info *fbi = dev_get_drvdata(dev);
820 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
821 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
822 int space_max, ret, mode = 0, calc = 0,up = 0, down = 0, global = 0;
823 const char *start = buf;
825 space_max = 10; /*max space number 10*/
826 mode = simple_strtoul(start, NULL, 10);
830 } while ((*start != ' ') && space_max);
832 calc = simple_strtoul(start, NULL, 10);
837 } while ((*start != ' ') && space_max);
839 up = simple_strtoul(start, NULL, 10);
844 } while ((*start != ' ') && space_max);
846 down = simple_strtoul(start, NULL, 10);
851 } while ((*start != ' ') && space_max);
853 global = simple_strtoul(start, NULL, 10);
855 if (dev_drv->ops->set_dsp_cabc)
856 ret = dev_drv->ops->set_dsp_cabc(dev_drv, mode, calc, up, down, global);
863 static ssize_t show_dsp_bcsh(struct device *dev,
864 struct device_attribute *attr, char *buf)
866 struct fb_info *fbi = dev_get_drvdata(dev);
867 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
868 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
869 int brightness, contrast, sat_con, sin_hue, cos_hue;
871 if (dev_drv->ops->get_dsp_bcsh_bcs) {
872 brightness = dev_drv->ops->get_dsp_bcsh_bcs(dev_drv,
874 contrast = dev_drv->ops->get_dsp_bcsh_bcs(dev_drv, CONTRAST);
875 sat_con = dev_drv->ops->get_dsp_bcsh_bcs(dev_drv, SAT_CON);
877 if (dev_drv->ops->get_dsp_bcsh_hue) {
878 sin_hue = dev_drv->ops->get_dsp_bcsh_hue(dev_drv, H_SIN);
879 cos_hue = dev_drv->ops->get_dsp_bcsh_hue(dev_drv, H_COS);
881 return snprintf(buf, PAGE_SIZE,
882 "brightness:%4d,contrast:%4d,sat_con:%4d,"
883 "sin_hue:%4d,cos_hue:%4d\n",
884 brightness, contrast, sat_con, sin_hue, cos_hue);
887 static ssize_t set_dsp_bcsh(struct device *dev, struct device_attribute *attr,
888 const char *buf, size_t count)
890 struct fb_info *fbi = dev_get_drvdata(dev);
891 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
892 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
893 int brightness, contrast, sat_con, ret = 0, sin_hue, cos_hue;
895 if (!strncmp(buf, "open", 4)) {
896 if (dev_drv->ops->open_bcsh)
897 ret = dev_drv->ops->open_bcsh(dev_drv, 1);
900 } else if (!strncmp(buf, "close", 5)) {
901 if (dev_drv->ops->open_bcsh)
902 ret = dev_drv->ops->open_bcsh(dev_drv, 0);
905 } else if (!strncmp(buf, "brightness", 10)) {
906 sscanf(buf, "brightness %d", &brightness);
907 if (unlikely(brightness > 255)) {
909 "brightness should be [0:255],now=%d\n\n",
913 if (dev_drv->ops->set_dsp_bcsh_bcs)
914 ret = dev_drv->ops->set_dsp_bcsh_bcs(dev_drv,
919 } else if (!strncmp(buf, "contrast", 8)) {
920 sscanf(buf, "contrast %d", &contrast);
921 if (unlikely(contrast > 510)) {
923 "contrast should be [0:510],now=%d\n",
927 if (dev_drv->ops->set_dsp_bcsh_bcs)
928 ret = dev_drv->ops->set_dsp_bcsh_bcs(dev_drv,
933 } else if (!strncmp(buf, "sat_con", 7)) {
934 sscanf(buf, "sat_con %d", &sat_con);
935 if (unlikely(sat_con > 1015)) {
937 "sat_con should be [0:1015],now=%d\n",
941 if (dev_drv->ops->set_dsp_bcsh_bcs)
942 ret = dev_drv->ops->set_dsp_bcsh_bcs(dev_drv,
947 } else if (!strncmp(buf, "hue", 3)) {
948 sscanf(buf, "hue %d %d", &sin_hue, &cos_hue);
949 if (unlikely(sin_hue > 511 || cos_hue > 511)) {
950 dev_err(fbi->dev, "sin_hue=%d,cos_hue=%d\n",
953 if (dev_drv->ops->set_dsp_bcsh_hue)
954 ret = dev_drv->ops->set_dsp_bcsh_hue(dev_drv,
960 dev_info(dev, "format error\n");
969 static ssize_t show_scale(struct device *dev,
970 struct device_attribute *attr, char *buf)
972 struct fb_info *fbi = dev_get_drvdata(dev);
973 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
974 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
976 return snprintf(buf, PAGE_SIZE,
977 "xscale=%d yscale=%d\nleft=%d top=%d right=%d bottom=%d\n",
978 (dev_drv->overscan.left + dev_drv->overscan.right) / 2,
979 (dev_drv->overscan.top + dev_drv->overscan.bottom) / 2,
980 dev_drv->overscan.left, dev_drv->overscan.top,
981 dev_drv->overscan.right, dev_drv->overscan.bottom);
984 static ssize_t set_scale(struct device *dev, struct device_attribute *attr,
985 const char *buf, size_t count)
987 struct fb_info *fbi = dev_get_drvdata(dev);
988 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
989 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
990 u32 left, top, right, bottom;
992 if (!strncmp(buf, "overscan", 8)) {
994 "overscan %d,%d,%d,%d", &left, &top, &right, &bottom);
995 if (left > 0 && left <= 100)
996 dev_drv->overscan.left = left;
997 if (top > 0 && top <= 100)
998 dev_drv->overscan.top = top;
999 if (right > 0 && right <= 100)
1000 dev_drv->overscan.right = right;
1001 if (bottom > 0 && bottom <= 100)
1002 dev_drv->overscan.bottom = bottom;
1003 } else if (!strncmp(buf, "left", 4)) {
1004 sscanf(buf, "left=%d", &left);
1005 if (left > 0 && left <= 100)
1006 dev_drv->overscan.left = left;
1007 } else if (!strncmp(buf, "top", 3)) {
1008 sscanf(buf, "top=%d", &top);
1009 if (top > 0 && top <= 100)
1010 dev_drv->overscan.top = top;
1011 } else if (!strncmp(buf, "right", 5)) {
1012 sscanf(buf, "right=%d", &right);
1013 if (right > 0 && right <= 100)
1014 dev_drv->overscan.right = right;
1015 } else if (!strncmp(buf, "bottom", 6)) {
1016 sscanf(buf, "bottom=%d", &bottom);
1017 if (bottom > 0 && bottom <= 100)
1018 dev_drv->overscan.bottom = bottom;
1019 } else if (!strncmp(buf, "xscale", 6)) {
1020 sscanf(buf, "xscale=%d", &left);
1021 if (left > 0 && left <= 100) {
1022 dev_drv->overscan.left = left;
1023 dev_drv->overscan.right = left;
1025 } else if (!strncmp(buf, "yscale", 6)) {
1026 sscanf(buf, "yscale=%d", &left);
1027 if (left > 0 && left <= 100) {
1028 dev_drv->overscan.top = left;
1029 dev_drv->overscan.bottom = left;
1032 sscanf(buf, "%d", &left);
1033 if (left > 0 && left <= 100) {
1034 dev_drv->overscan.left = left;
1035 dev_drv->overscan.right = left;
1036 dev_drv->overscan.top = left;
1037 dev_drv->overscan.bottom = left;
1041 if (dev_drv->ops->set_overscan)
1042 dev_drv->ops->set_overscan(dev_drv, &dev_drv->overscan);
1047 static ssize_t show_lcdc_id(struct device *dev,
1048 struct device_attribute *attr,
1051 struct fb_info *fbi = dev_get_drvdata(dev);
1052 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1053 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1055 return snprintf(buf, PAGE_SIZE, "%d\n", dev_drv->id);
1058 static struct device_attribute rkfb_attrs[] = {
1059 __ATTR(phys_addr, S_IRUGO, show_phys, NULL),
1060 __ATTR(virt_addr, S_IRUGO, show_virt, NULL),
1061 __ATTR(disp_info, S_IRUGO, show_disp_info, NULL),
1062 __ATTR(dump_buf, S_IRUGO | S_IWUSR, show_dump_buffer, set_dump_buffer),
1063 __ATTR(screen_info, S_IRUGO, show_screen_info, NULL),
1064 __ATTR(dual_mode, S_IRUGO, show_dual_mode, NULL),
1065 __ATTR(enable, S_IRUGO | S_IWUSR, show_fb_state, set_fb_state),
1066 __ATTR(overlay, S_IRUGO | S_IWUSR, show_overlay, set_overlay),
1067 __ATTR(fps, S_IRUGO | S_IWUSR, show_fps, set_fps),
1068 __ATTR(map, S_IRUGO | S_IWUSR, show_fb_win_map, set_fb_win_map),
1069 __ATTR(dsp_lut, S_IRUGO | S_IWUSR, show_dsp_lut, set_dsp_lut),
1070 __ATTR(cabc_lut, S_IRUGO | S_IWUSR, show_cabc_lut, set_cabc_lut),
1071 __ATTR(hwc_lut, S_IRUGO | S_IWUSR, show_hwc_lut, set_hwc_lut),
1072 __ATTR(cabc, S_IRUGO | S_IWUSR, show_dsp_cabc, set_dsp_cabc),
1073 __ATTR(bcsh, S_IRUGO | S_IWUSR, show_dsp_bcsh, set_dsp_bcsh),
1074 __ATTR(scale, S_IRUGO | S_IWUSR, show_scale, set_scale),
1075 __ATTR(lcdcid, S_IRUGO, show_lcdc_id, NULL),
1078 int rkfb_create_sysfs(struct fb_info *fbi)
1082 for (t = 0; t < ARRAY_SIZE(rkfb_attrs); t++) {
1083 r = device_create_file(fbi->dev, &rkfb_attrs[t]);
1085 dev_err(fbi->dev, "failed to create sysfs " "file\n");
1093 void rkfb_remove_sysfs(struct rk_fb *rk_fb)
1097 for (i = 0; i < rk_fb->num_fb; i++) {
1098 for (t = 0; t < ARRAY_SIZE(rkfb_attrs); t++)
1099 device_remove_file(rk_fb->fb[i]->dev, &rkfb_attrs[t]);