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 set_screen_info(struct device *dev,
114 struct device_attribute *attr,
115 const char *buf, size_t count)
117 struct fb_info *fbi = dev_get_drvdata(dev);
118 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
119 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
120 int xmirror = 0, ymirror = 0, ret = 0, rotate = 0;
122 ret = kstrtoint(buf, 0, &rotate);
125 xmirror = !!(rotate & X_MIRROR);
126 ymirror = !!(rotate & Y_MIRROR);
127 dev_drv->cur_screen->x_mirror = xmirror;
128 dev_drv->cur_screen->y_mirror = ymirror;
129 mutex_lock(&dev_drv->output_lock);
130 mutex_lock(&dev_drv->win_config);
131 if (dev_drv->ops->extern_func)
132 dev_drv->ops->extern_func(dev_drv, SET_DSP_MIRROR);
133 mutex_unlock(&dev_drv->win_config);
134 mutex_unlock(&dev_drv->output_lock);
139 static ssize_t show_disp_info(struct device *dev,
140 struct device_attribute *attr, char *buf)
142 struct fb_info *fbi = dev_get_drvdata(dev);
143 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
144 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
145 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
147 if (dev_drv->ops->get_disp_info)
148 return dev_drv->ops->get_disp_info(dev_drv, buf, win_id);
153 static void fill_buffer(void *handle, void *vaddr, int size)
155 struct file *filp = handle;
158 vfs_write(filp, vaddr, size, &filp->f_pos);
161 static void read_buffer(void *handle, void *vaddr, int size, loff_t pos)
163 struct file *filp = handle;
166 vfs_read(filp, vaddr, size, &pos);
169 static int dump_win(struct ion_client *ion_client,
170 struct ion_handle *ion_handle, phys_addr_t phys_addr,
171 int width, int height, u8 data_format, uint32_t frameid,
172 int win_id, int area_id, bool is_bmp, bool is_append)
174 void __iomem *vaddr = NULL;
181 switch (data_format) {
211 vaddr = ion_map_kernel(ion_client, ion_handle);
212 } else if (phys_addr) {
214 unsigned int nr_pages;
219 nr_pages = roundup(width * height * (bits >> 3), PAGE_SIZE);
220 nr_pages /= PAGE_SIZE;
221 pages = kzalloc(sizeof(struct page) * nr_pages, GFP_KERNEL);
222 while (i < nr_pages) {
223 pages[i] = phys_to_page(start);
227 vaddr = vmap(pages, nr_pages, VM_MAP,
228 pgprot_writecombine(PAGE_KERNEL));
230 pr_err("failed to vmap phy addr %lx\n",
238 flags = O_RDWR | O_CREAT | O_NONBLOCK;
240 snprintf(name, 100, "%s/append_win%d_%d_%dx%d_%s.%s",
241 DUMP_BUF_PATH, win_id, area_id, width, height,
242 get_format_str(data_format), is_bmp ? "bmp" : "bin");
245 snprintf(name, 100, "%s/frame%d_win%d_%d_%dx%d_%s.%s",
246 DUMP_BUF_PATH, frameid, win_id, area_id, width, height,
247 get_format_str(data_format), is_bmp ? "bmp" : "bin");
250 pr_info("dump win == > %s\n", name);
251 filp = filp_open(name, flags, 0x600);
253 printk("fail to create %s\n", name);
259 bmpencoder(vaddr, width, height,
260 data_format, filp, fill_buffer);
262 fill_buffer(filp, vaddr, width * height * bits >> 3);
267 ion_unmap_kernel(ion_client, ion_handle);
271 filp_close(filp, NULL);
276 static ssize_t show_dump_buffer(struct device *dev,
277 struct device_attribute *attr, char *buf)
281 size = snprintf(buf, PAGE_SIZE,
282 "bmp -- dump buffer to bmp image\n"
283 " can't support dump to single file\n"
284 "bin -- dump buffer to bin image\n"
285 "multi -- each dump will create new file\n"
286 " only works on trace context\n"
287 "win=num -- mask win to dump, default mask all\n"
288 " win=1, will dump win1 buffer\n"
289 " win=23, will dump win2 area3 buffer\n"
290 "trace=num -- trace num frames buffer dump\n"
291 " this option will block buffer switch\n"
292 " so recommend use with bin and win=xx\n"
294 "echo bmp > dump_buf; -- dump current buf to bmp file\n"
295 "echo bin > dump_buf; -- dump current buf to bin file\n"
296 "echo trace=50:win=1:win=23 > dump_buf\n"
297 " -- dump 50 frames, dump win1 and win2 area3\n"
298 " -- dump all buffer to single file\n"
299 "You can found dump files at %s\n"
305 void trace_buffer_dump(struct device *dev, struct rk_lcdc_driver *dev_drv)
307 struct rk_fb *rk_fb = dev_get_drvdata(dev);
308 struct rk_fb_reg_data *front_regs;
309 struct rk_fb_reg_win_data *win_data;
310 struct rk_fb_reg_area_data *area_data;
311 struct rkfb_sys_trace *trace = dev_drv->trace_buf;
316 if (trace->num_frames <= trace->count_frame)
319 if (!dev_drv->front_regs)
321 front_regs = dev_drv->front_regs;
323 for (i = 0; i < front_regs->win_num; i++) {
324 if (trace->mask_win && !(trace->mask_win & (1 << i)))
326 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
327 win_data = &front_regs->reg_win_data[i];
328 area_data = &win_data->reg_area_data[j];
329 if (trace->mask_area && !(trace->mask_area & (1 << j)))
332 dump_win(rk_fb->ion_client, area_data->ion_handle,
333 area_data->smem_start,
334 area_data->xvir, area_data->yvir,
335 area_data->data_format, trace->count_frame,
336 i, j, trace->is_bmp, trace->is_append);
339 trace->count_frame++;
342 static ssize_t set_dump_buffer(struct device *dev,
343 struct device_attribute *attr,
344 const char *buf, size_t count)
346 struct fb_info *fbi = dev_get_drvdata(dev);
347 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
348 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
349 struct rk_fb *rk_fb = dev_get_drvdata(fbi->device);
350 struct rk_fb_reg_data *front_regs;
351 struct rk_fb_reg_win_data *win_data;
352 struct rk_fb_reg_area_data *area_data;
353 struct rkfb_sys_trace *trace;
354 struct dentry *dentry;
361 bool is_append = true;
365 if (!rk_fb->ion_client)
368 if (!dev_drv->trace_buf) {
369 dev_drv->trace_buf = devm_kmalloc(dev_drv->dev,
370 sizeof(struct rkfb_sys_trace),
372 if (!dev_drv->trace_buf)
375 trace = dev_drv->trace_buf;
379 trace->num_frames = 0;
381 while ((p = strsep((char **)&buf, ":")) != NULL) {
384 if (!strncmp(p, "trace=", 6)) {
385 if (kstrtoint(p + 6, 0, &num_frames))
386 dev_err(dev, "can't found trace frames\n");
389 if (!strncmp(p, "win=", 4)) {
392 if (kstrtoint(p + 4, 0, &win))
393 dev_err(dev, "can't found trace frames\n");
395 mask_win |= 1 << win;
397 mask_win |= 1 << (win / 10);
398 mask_area |= 1 << (win % 10);
403 if (!strncmp(p, "bmp", 3)) {
408 if (!strncmp(p, "bin", 3)) {
412 if (!strncmp(p, "multi", 5)) {
417 dev_err(dev, "unknown option %s\n", p);
420 dentry = kern_path_create(AT_FDCWD, DUMP_BUF_PATH, &path,
422 if (!IS_ERR(dentry)) {
423 err = vfs_mkdir(path.dentry->d_inode, dentry, 700);
425 dev_err(dev, "can't create %s err%d\n",
427 done_path_create(&path, dentry);
428 } else if (PTR_ERR(dentry) != -EEXIST) {
429 dev_err(dev, "can't create PATH %s err%d\n",
431 return PTR_ERR(dentry);
434 mutex_lock(&dev_drv->front_lock);
436 if (!dev_drv->front_regs) {
442 if (dev_drv->ops->get_dspbuf_info)
443 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
444 &yact, &data_format, &dsp_addr,
447 dump_win(NULL, NULL, dsp_addr, xact, yact, data_format,
448 0, 0, 0, is_bmp, false);
451 front_regs = kmalloc(sizeof(*front_regs), GFP_KERNEL);
453 mutex_unlock(&dev_drv->front_lock);
456 memcpy(front_regs, dev_drv->front_regs, sizeof(*front_regs));
458 for (i = 0; i < front_regs->win_num; i++) {
459 if (mask_win && !(mask_win & (1 << i)))
461 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
462 if (mask_area && !(mask_area & (1 << j)))
464 win_data = &front_regs->reg_win_data[i];
465 area_data = &win_data->reg_area_data[j];
466 if (area_data->ion_handle)
467 ion_handle_get(area_data->ion_handle);
471 for (i = 0; i < front_regs->win_num; i++) {
472 if (mask_win && !(mask_win & (1 << i)))
474 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
475 if (mask_area && !(mask_area & (1 << j)))
478 win_data = &front_regs->reg_win_data[i];
479 area_data = &win_data->reg_area_data[j];
481 dump_win(rk_fb->ion_client,
482 area_data->ion_handle,
483 area_data->smem_start,
484 area_data->xvir, area_data->yvir,
485 area_data->data_format,
486 0, i, j, is_bmp, false);
487 if (area_data->ion_handle)
488 ion_handle_put(area_data->ion_handle);
494 trace->num_frames = num_frames;
495 trace->count_frame = 0;
496 trace->is_bmp = is_bmp;
497 trace->is_append = is_append;
498 trace->mask_win = mask_win;
499 trace->mask_area = mask_area;
502 mutex_unlock(&dev_drv->front_lock);
506 static ssize_t show_dsp_buffer(struct device *dev,
507 struct device_attribute *attr, char *buf)
511 size = snprintf(buf, PAGE_SIZE,
512 "you can display a picture store in "
513 "/data/fb0.bin use the following cmd:\n"
514 "echo n xsize ysize format > dsp_buf\n"
516 "xsize: picture horizontal size\n"
517 "ysize: picture vertical size\n"
519 " RGBA=1,RGBX=2,RGB=3,YUV420SP=17");
523 extern int __close_fd(struct files_struct *files, unsigned fd);
525 static ssize_t set_dsp_buffer(struct device *dev,
526 struct device_attribute *attr,
527 const char *buf, size_t count)
529 struct fb_info *fbi = dev_get_drvdata(dev);
530 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
531 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
532 struct rk_fb *rk_fb = dev_get_drvdata(fbi->device);
535 int width, height, frame_num;
537 const char *start = buf;
538 struct ion_handle *handle = NULL;
539 char __iomem *screen_base;
540 struct rk_fb_win_cfg_data win_config;
541 struct rk_screen *screen = dev_drv->cur_screen;
545 char *name = "/data/fb0.bin";
546 struct sync_fence *acq_fence;
547 struct files_struct *files = current->files;
549 frame_num = simple_strtoul(start, NULL, 10);
553 } while ((*start != ' ') && space_max);
555 width = simple_strtoul(start, NULL, 10);
559 } while ((*start != ' ') && space_max);
561 height = simple_strtoul(start, NULL, 10);
566 } while ((*start != ' ') && space_max);
568 format = simple_strtoul(start, NULL, 10);
570 pr_info("frame_num=%d,w=%d,h=%d,file=%s,format=%d\n",
571 frame_num, width, height, name, format);
572 flags = O_RDWR | O_CREAT | O_NONBLOCK;
573 filp = filp_open(name, flags, 0x600);
575 pr_err("fail to create %s\n", name);
580 mem_size = width * height * 4 * frame_num;
581 if (dev_drv->iommu_enabled)
582 handle = ion_alloc(rk_fb->ion_client, mem_size, 0,
583 ION_HEAP_SYSTEM_MASK, 0);
585 handle = ion_alloc(rk_fb->ion_client, mem_size, 0,
586 ION_HEAP_TYPE_DMA_MASK, 0);
587 if (IS_ERR(handle)) {
588 pr_err("failed to ion_alloc:%ld\n", PTR_ERR(handle));
591 fd = ion_share_dma_buf_fd(rk_fb->ion_client, handle);
593 pr_err("ion_share_dma_buf_fd failed, fd=%d\n", fd);
596 screen_base = ion_map_kernel(rk_fb->ion_client, handle);
597 read_buffer(filp, screen_base, mem_size, 0);
599 memset(&win_config, 0, sizeof(win_config));
600 win_config.wait_fs = 0;
601 win_config.win_par[0].win_id = 0;
602 win_config.win_par[0].z_order = 0;
603 win_config.win_par[0].area_par[0].data_format = format;
604 win_config.win_par[0].area_par[0].ion_fd = fd;
605 win_config.win_par[0].area_par[0].x_offset = 0;
606 win_config.win_par[0].area_par[0].y_offset = 0;
607 win_config.win_par[0].area_par[0].xpos = 0;
608 win_config.win_par[0].area_par[0].ypos = 0;
609 win_config.win_par[0].area_par[0].xsize = screen->mode.xres;
610 win_config.win_par[0].area_par[0].ysize = screen->mode.yres;
611 win_config.win_par[0].area_par[0].xact = width;
612 win_config.win_par[0].area_par[0].yact = height;
613 win_config.win_par[0].area_par[0].xvir = width;
614 win_config.win_par[0].area_par[0].yvir = height;
616 for (i = 0; i < frame_num; i++) {
617 win_config.win_par[0].area_par[0].y_offset = height * i;
618 fbi->fbops->fb_ioctl(fbi, RK_FBIOSET_CONFIG_DONE,
619 (unsigned long)(&win_config));
620 for (j = 0; j < RK_MAX_BUF_NUM; j++) {
621 if (win_config.rel_fence_fd[j] > 0) {
623 sync_fence_fdget(win_config.rel_fence_fd[j]);
624 sync_fence_put(acq_fence);
628 if (win_config.ret_fence_fd > 0) {
630 sync_fence_fdget(win_config.ret_fence_fd);
631 sync_fence_put(acq_fence);
635 ion_unmap_kernel(rk_fb->ion_client, handle);
636 ion_free(rk_fb->ion_client, handle);
637 __close_fd(files, fd);
640 filp_close(filp, NULL);
645 static ssize_t show_phys(struct device *dev,
646 struct device_attribute *attr, char *buf)
648 struct fb_info *fbi = dev_get_drvdata(dev);
650 return snprintf(buf, PAGE_SIZE, "0x%lx-----0x%x\n",
651 fbi->fix.smem_start, fbi->fix.smem_len);
654 static ssize_t show_virt(struct device *dev,
655 struct device_attribute *attr, char *buf)
657 struct fb_info *fbi = dev_get_drvdata(dev);
659 return snprintf(buf, PAGE_SIZE, "0x%p-----0x%x\n",
660 fbi->screen_base, fbi->fix.smem_len);
663 static ssize_t show_fb_state(struct device *dev,
664 struct device_attribute *attr, char *buf)
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;
670 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
671 int state = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
673 return snprintf(buf, PAGE_SIZE, "%s\n", state ? "enabled" : "disabled");
676 static ssize_t show_dual_mode(struct device *dev,
677 struct device_attribute *attr, char *buf)
679 struct fb_info *fbi = dev_get_drvdata(dev);
680 struct rk_fb *rk_fb = dev_get_drvdata(fbi->device);
681 int mode = rk_fb->disp_mode;
683 return snprintf(buf, PAGE_SIZE, "%d\n", mode);
686 static ssize_t set_fb_state(struct device *dev, struct device_attribute *attr,
687 const char *buf, size_t count)
689 struct fb_info *fbi = dev_get_drvdata(dev);
690 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
691 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
692 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
696 ret = kstrtoint(buf, 0, &state);
699 dev_drv->ops->open(dev_drv, win_id, state);
701 dev_drv->ops->set_par(dev_drv, win_id);
702 dev_drv->ops->pan_display(dev_drv, win_id);
703 dev_drv->ops->cfg_done(dev_drv);
708 static ssize_t show_overlay(struct device *dev,
709 struct device_attribute *attr, char *buf)
711 struct fb_info *fbi = dev_get_drvdata(dev);
712 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
713 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
716 if (dev_drv->ops->ovl_mgr)
717 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
722 return snprintf(buf, PAGE_SIZE, "%s\n",
723 ovl ? "win0 on the top of win1" :
724 "win1 on the top of win0");
727 static ssize_t set_overlay(struct device *dev, struct device_attribute *attr,
728 const char *buf, size_t count)
730 struct fb_info *fbi = dev_get_drvdata(dev);
731 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
732 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
736 ret = kstrtou32(buf, 0, &ovl);
739 if (dev_drv->ops->ovl_mgr)
740 ret = dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
747 static ssize_t show_fps(struct device *dev,
748 struct device_attribute *attr, char *buf)
750 struct fb_info *fbi = dev_get_drvdata(dev);
751 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
752 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
755 if (dev_drv->ops->fps_mgr)
756 fps = dev_drv->ops->fps_mgr(dev_drv, 0, 0);
760 return snprintf(buf, PAGE_SIZE, "fps:%d\n", fps);
763 static ssize_t set_fps(struct device *dev, struct device_attribute *attr,
764 const char *buf, size_t count)
766 struct fb_info *fbi = dev_get_drvdata(dev);
767 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
768 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
769 struct rk_screen *screen = dev_drv->cur_screen;
773 ret = kstrtou32(buf, 0, &fps);
777 origin_fps = rk_fb_calc_fps(screen, dev_drv->pixclock);
780 * use too low or too high fps would make screen abnormal,
781 * and maybe can't recovery, so limit the fps.
783 if (fps <= 40 || fps > origin_fps)
786 if (dev_drv->ops->fps_mgr)
787 ret = dev_drv->ops->fps_mgr(dev_drv, fps, 1);
794 static ssize_t show_fb_win_map(struct device *dev,
795 struct device_attribute *attr, char *buf)
798 struct fb_info *fbi = dev_get_drvdata(dev);
799 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
800 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
802 mutex_lock(&dev_drv->fb_win_id_mutex);
804 snprintf(buf, PAGE_SIZE, "fb0:win%d\nfb1:win%d\nfb2:win%d\n",
805 dev_drv->fb0_win_id, dev_drv->fb1_win_id,
806 dev_drv->fb2_win_id);
807 mutex_unlock(&dev_drv->fb_win_id_mutex);
812 static ssize_t set_fb_win_map(struct device *dev, struct device_attribute *attr,
813 const char *buf, size_t count)
815 struct fb_info *fbi = dev_get_drvdata(dev);
816 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
817 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
821 ret = kstrtou32(buf, 0, &order);
822 if ((order != FB0_WIN2_FB1_WIN1_FB2_WIN0) &&
823 (order != FB0_WIN1_FB1_WIN2_FB2_WIN0) &&
824 (order != FB0_WIN2_FB1_WIN0_FB2_WIN1) &&
825 (order != FB0_WIN0_FB1_WIN2_FB2_WIN1) &&
826 (order != FB0_WIN0_FB1_WIN1_FB2_WIN2) &&
827 (order != FB0_WIN1_FB1_WIN0_FB2_WIN2)) {
828 dev_info(dev, "un supported map\n"
829 "you can use the following order:\n" "201:\n"
830 "fb0-win1\n" "fb1-win0\n" "fb2-win2\n" "210:\n"
831 "fb0-win0\n" "fb1-win1\n" "fb2-win2\n" "120:\n"
832 "fb0-win0\n" "fb1-win2\n" "fb2-win1\n" "102:\n"
833 "fb0-win2\n" "fb1-win0\n" "fb2-win1\n" "021:\n"
834 "fb0-win1\n" "fb1-win2\n" "fb2-win0\n" "012:\n"
835 "fb0-win2\n" "fb1-win1\n" "fb2-win0\n");
838 if (dev_drv->ops->fb_win_remap)
839 dev_drv->ops->fb_win_remap(dev_drv, order);
845 static ssize_t show_hwc_lut(struct device *dev,
846 struct device_attribute *attr, char *buf)
851 static ssize_t set_hwc_lut(struct device *dev, struct device_attribute *attr,
852 const char *buf, size_t count)
855 const char *start = buf;
859 struct fb_info *fbi = dev_get_drvdata(dev);
860 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
861 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
863 /*printk("count:%d\n>>%s\n\n",count,start);*/
864 for (i = 0; i < 256; i++) {
865 space_max = 15; /*max space number 15*/
866 temp = simple_strtoul(start, NULL, 16);
871 } while ((*start != ' ') && space_max);
878 if (dev_drv->ops->set_hwc_lut)
879 dev_drv->ops->set_hwc_lut(dev_drv, hwc_lut, 1);
884 static ssize_t show_cabc_lut(struct device *dev,
885 struct device_attribute *attr, char *buf)
890 static ssize_t set_cabc_lut(struct device *dev, struct device_attribute *attr,
891 const char *buf, size_t count)
894 const char *start = buf;
898 struct fb_info *fbi = dev_get_drvdata(dev);
899 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
900 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
902 for (i = 0; i < 256; i++) {
904 /*init by default value*/
905 cabc_lut[i] = temp + (temp << 8) + (temp << 16);
907 for (i = 0; i < 256; i++) {
908 space_max = 10; /*max space number 10*/
909 temp = simple_strtoul(start, NULL, 10);
914 } while ((*start != ' ') && space_max);
921 if (dev_drv->ops->set_cabc_lut)
922 dev_drv->ops->set_cabc_lut(dev_drv, cabc_lut);
927 static ssize_t show_dsp_lut(struct device *dev,
928 struct device_attribute *attr, char *buf)
933 static ssize_t set_dsp_lut(struct device *dev, struct device_attribute *attr,
934 const char *buf, size_t count)
937 const char *start = buf;
941 struct fb_info *fbi = dev_get_drvdata(dev);
942 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
943 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
945 for (i = 0; i < 256; i++) {
947 /*init by default value*/
948 dsp_lut[i] = temp + (temp << 8) + (temp << 16);
950 /*printk("count:%d\n>>%s\n\n",count,start);*/
951 for (i = 0; i < 256; i++) {
952 space_max = 10; /*max space number 10*/
953 temp = simple_strtoul(start, NULL, 10);
958 } while ((*start != ' ') && space_max);
965 if (dev_drv->ops->set_dsp_lut)
966 dev_drv->ops->set_dsp_lut(dev_drv, dsp_lut);
971 static ssize_t show_dsp_cabc(struct device *dev,
972 struct device_attribute *attr, char *buf)
974 struct fb_info *fbi = dev_get_drvdata(dev);
975 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
976 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
978 return snprintf(buf, PAGE_SIZE, "cabc mode=%d\n",
983 static ssize_t set_dsp_cabc(struct device *dev, struct device_attribute *attr,
984 const char *buf, size_t count)
986 struct fb_info *fbi = dev_get_drvdata(dev);
987 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
988 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
989 int space_max, ret = 0, mode = 0, calc = 0, up = 0, down = 0, global = 0;
990 const char *start = buf;
992 space_max = 10; /*max space number 10*/
993 mode = simple_strtoul(start, NULL, 10);
997 } while ((*start != ' ') && space_max);
999 calc = simple_strtoul(start, NULL, 10);
1004 } while ((*start != ' ') && space_max);
1006 up = simple_strtoul(start, NULL, 10);
1011 } while ((*start != ' ') && space_max);
1013 down = simple_strtoul(start, NULL, 10);
1018 } while ((*start != ' ') && space_max);
1020 global = simple_strtoul(start, NULL, 10);
1022 if (dev_drv->ops->set_dsp_cabc)
1023 ret = dev_drv->ops->set_dsp_cabc(dev_drv, mode, calc, up, down, global);
1030 static ssize_t show_dsp_bcsh(struct device *dev,
1031 struct device_attribute *attr, char *buf)
1033 struct fb_info *fbi = dev_get_drvdata(dev);
1034 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1035 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1036 int brightness = 0, contrast = 0, sat_con = 0, sin_hue = 0, cos_hue = 0;
1038 if (dev_drv->ops->get_dsp_bcsh_bcs) {
1039 brightness = dev_drv->ops->get_dsp_bcsh_bcs(dev_drv,
1041 contrast = dev_drv->ops->get_dsp_bcsh_bcs(dev_drv, CONTRAST);
1042 sat_con = dev_drv->ops->get_dsp_bcsh_bcs(dev_drv, SAT_CON);
1044 if (dev_drv->ops->get_dsp_bcsh_hue) {
1045 sin_hue = dev_drv->ops->get_dsp_bcsh_hue(dev_drv, H_SIN);
1046 cos_hue = dev_drv->ops->get_dsp_bcsh_hue(dev_drv, H_COS);
1048 return snprintf(buf, PAGE_SIZE,
1049 "brightness:%4d,contrast:%4d,sat_con:%4d,"
1050 "sin_hue:%4d,cos_hue:%4d\n",
1051 brightness, contrast, sat_con, sin_hue, cos_hue);
1054 static ssize_t set_dsp_bcsh(struct device *dev, struct device_attribute *attr,
1055 const char *buf, size_t count)
1057 struct fb_info *fbi = dev_get_drvdata(dev);
1058 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1059 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1060 int brightness, contrast, sat_con, ret = 0, sin_hue, cos_hue;
1062 if (!strncmp(buf, "open", 4)) {
1063 if (dev_drv->ops->open_bcsh)
1064 ret = dev_drv->ops->open_bcsh(dev_drv, 1);
1067 } else if (!strncmp(buf, "close", 5)) {
1068 if (dev_drv->ops->open_bcsh)
1069 ret = dev_drv->ops->open_bcsh(dev_drv, 0);
1072 } else if (!strncmp(buf, "brightness", 10)) {
1073 sscanf(buf, "brightness %d", &brightness);
1074 if (unlikely(brightness > 255)) {
1076 "brightness should be [0:255],now=%d\n\n",
1080 if (dev_drv->ops->set_dsp_bcsh_bcs)
1081 ret = dev_drv->ops->set_dsp_bcsh_bcs(dev_drv,
1086 } else if (!strncmp(buf, "contrast", 8)) {
1087 sscanf(buf, "contrast %d", &contrast);
1088 if (unlikely(contrast > 510)) {
1090 "contrast should be [0:510],now=%d\n",
1094 if (dev_drv->ops->set_dsp_bcsh_bcs)
1095 ret = dev_drv->ops->set_dsp_bcsh_bcs(dev_drv,
1100 } else if (!strncmp(buf, "sat_con", 7)) {
1101 sscanf(buf, "sat_con %d", &sat_con);
1102 if (unlikely(sat_con > 1015)) {
1104 "sat_con should be [0:1015],now=%d\n",
1108 if (dev_drv->ops->set_dsp_bcsh_bcs)
1109 ret = dev_drv->ops->set_dsp_bcsh_bcs(dev_drv,
1114 } else if (!strncmp(buf, "hue", 3)) {
1115 sscanf(buf, "hue %d %d", &sin_hue, &cos_hue);
1116 if (unlikely(sin_hue > 511 || cos_hue > 511)) {
1117 dev_err(fbi->dev, "sin_hue=%d,cos_hue=%d\n",
1120 if (dev_drv->ops->set_dsp_bcsh_hue)
1121 ret = dev_drv->ops->set_dsp_bcsh_hue(dev_drv,
1127 dev_info(dev, "format error\n");
1136 static ssize_t show_scale(struct device *dev,
1137 struct device_attribute *attr, char *buf)
1139 struct fb_info *fbi = dev_get_drvdata(dev);
1140 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1141 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1143 return snprintf(buf, PAGE_SIZE,
1144 "xscale=%d yscale=%d\nleft=%d top=%d right=%d bottom=%d\n",
1145 (dev_drv->overscan.left + dev_drv->overscan.right) / 2,
1146 (dev_drv->overscan.top + dev_drv->overscan.bottom) / 2,
1147 dev_drv->overscan.left, dev_drv->overscan.top,
1148 dev_drv->overscan.right, dev_drv->overscan.bottom);
1151 static ssize_t set_scale(struct device *dev, struct device_attribute *attr,
1152 const char *buf, size_t count)
1154 struct fb_info *fbi = dev_get_drvdata(dev);
1155 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1156 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1157 u32 left, top, right, bottom;
1159 if (!strncmp(buf, "overscan", 8)) {
1161 "overscan %d,%d,%d,%d", &left, &top, &right, &bottom);
1162 if (left > 0 && left <= 100)
1163 dev_drv->overscan.left = left;
1164 if (top > 0 && top <= 100)
1165 dev_drv->overscan.top = top;
1166 if (right > 0 && right <= 100)
1167 dev_drv->overscan.right = right;
1168 if (bottom > 0 && bottom <= 100)
1169 dev_drv->overscan.bottom = bottom;
1170 } else if (!strncmp(buf, "left", 4)) {
1171 sscanf(buf, "left=%d", &left);
1172 if (left > 0 && left <= 100)
1173 dev_drv->overscan.left = left;
1174 } else if (!strncmp(buf, "top", 3)) {
1175 sscanf(buf, "top=%d", &top);
1176 if (top > 0 && top <= 100)
1177 dev_drv->overscan.top = top;
1178 } else if (!strncmp(buf, "right", 5)) {
1179 sscanf(buf, "right=%d", &right);
1180 if (right > 0 && right <= 100)
1181 dev_drv->overscan.right = right;
1182 } else if (!strncmp(buf, "bottom", 6)) {
1183 sscanf(buf, "bottom=%d", &bottom);
1184 if (bottom > 0 && bottom <= 100)
1185 dev_drv->overscan.bottom = bottom;
1186 } else if (!strncmp(buf, "xscale", 6)) {
1187 sscanf(buf, "xscale=%d", &left);
1188 if (left > 0 && left <= 100) {
1189 dev_drv->overscan.left = left;
1190 dev_drv->overscan.right = left;
1192 } else if (!strncmp(buf, "yscale", 6)) {
1193 sscanf(buf, "yscale=%d", &left);
1194 if (left > 0 && left <= 100) {
1195 dev_drv->overscan.top = left;
1196 dev_drv->overscan.bottom = left;
1199 sscanf(buf, "%d", &left);
1200 if (left > 0 && left <= 100) {
1201 dev_drv->overscan.left = left;
1202 dev_drv->overscan.right = left;
1203 dev_drv->overscan.top = left;
1204 dev_drv->overscan.bottom = left;
1208 if (dev_drv->ops->set_overscan)
1209 dev_drv->ops->set_overscan(dev_drv, &dev_drv->overscan);
1214 static ssize_t show_lcdc_id(struct device *dev,
1215 struct device_attribute *attr,
1218 struct fb_info *fbi = dev_get_drvdata(dev);
1219 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1220 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1222 return snprintf(buf, PAGE_SIZE, "%d\n", dev_drv->id);
1225 static ssize_t show_dsp_mode(struct device *dev,
1226 struct device_attribute *attr,
1229 struct fb_info *fbi = dev_get_drvdata(dev);
1230 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1231 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1233 return snprintf(buf, PAGE_SIZE, "%d\n", dev_drv->dsp_mode);
1236 static ssize_t show_hot_plug_state(struct device *dev,
1237 struct device_attribute *attr,
1240 struct fb_info *fbi = dev_get_drvdata(dev);
1241 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1242 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1244 return snprintf(buf, PAGE_SIZE, "%d\n", dev_drv->hot_plug_state);
1247 static ssize_t show_win_property(struct device *dev,
1248 struct device_attribute *attr,
1251 struct fb_info *fbi = dev_get_drvdata(dev);
1252 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1253 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1256 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
1257 return snprintf(buf, PAGE_SIZE,
1258 "feature: %d, max_input_x: %d, max_input_y: %d\n",
1259 dev_drv->win[win_id]->property.feature,
1260 dev_drv->win[win_id]->property.max_input_x,
1261 dev_drv->win[win_id]->property.max_input_y);
1264 static ssize_t set_car_reverse(struct device *dev,
1265 struct device_attribute *attr,
1266 const char *buf, size_t count)
1268 struct fb_info *fbi = dev_get_drvdata(dev);
1269 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1270 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1274 ret = kstrtou32(buf, 0, &status);
1277 rk_fb_set_car_reverse_status(dev_drv, status);
1282 static struct device_attribute rkfb_attrs[] = {
1283 __ATTR(phys_addr, S_IRUGO, show_phys, NULL),
1284 __ATTR(virt_addr, S_IRUGO, show_virt, NULL),
1285 __ATTR(disp_info, S_IRUGO, show_disp_info, NULL),
1286 __ATTR(dump_buf, S_IRUGO | S_IWUSR, show_dump_buffer, set_dump_buffer),
1287 __ATTR(dsp_buf, S_IRUGO | S_IWUSR, show_dsp_buffer, set_dsp_buffer),
1288 __ATTR(screen_info, S_IRUGO | S_IWUSR,
1289 show_screen_info, set_screen_info),
1290 __ATTR(dual_mode, S_IRUGO, show_dual_mode, NULL),
1291 __ATTR(enable, S_IRUGO | S_IWUSR, show_fb_state, set_fb_state),
1292 __ATTR(overlay, S_IRUGO | S_IWUSR, show_overlay, set_overlay),
1293 __ATTR(fps, S_IRUGO | S_IWUSR, show_fps, set_fps),
1294 __ATTR(map, S_IRUGO | S_IWUSR, show_fb_win_map, set_fb_win_map),
1295 __ATTR(dsp_lut, S_IRUGO | S_IWUSR, show_dsp_lut, set_dsp_lut),
1296 __ATTR(cabc_lut, S_IRUGO | S_IWUSR, show_cabc_lut, set_cabc_lut),
1297 __ATTR(hwc_lut, S_IRUGO | S_IWUSR, show_hwc_lut, set_hwc_lut),
1298 __ATTR(cabc, S_IRUGO | S_IWUSR, show_dsp_cabc, set_dsp_cabc),
1299 __ATTR(bcsh, S_IRUGO | S_IWUSR, show_dsp_bcsh, set_dsp_bcsh),
1300 __ATTR(scale, S_IRUGO | S_IWUSR, show_scale, set_scale),
1301 __ATTR(lcdcid, S_IRUGO, show_lcdc_id, NULL),
1302 __ATTR(win_property, S_IRUGO, show_win_property, NULL),
1303 __ATTR(car_reverse, S_IWUSR, NULL, set_car_reverse),
1304 __ATTR(dsp_mode, S_IRUGO, show_dsp_mode, NULL),
1305 __ATTR(hot_plug_state, S_IRUGO, show_hot_plug_state, NULL),
1308 int rkfb_create_sysfs(struct fb_info *fbi)
1312 for (t = 0; t < ARRAY_SIZE(rkfb_attrs); t++) {
1313 r = device_create_file(fbi->dev, &rkfb_attrs[t]);
1315 dev_err(fbi->dev, "failed to create sysfs " "file\n");
1323 void rkfb_remove_sysfs(struct rk_fb *rk_fb)
1327 for (i = 0; i < rk_fb->num_fb; i++) {
1328 for (t = 0; t < ARRAY_SIZE(rkfb_attrs); t++)
1329 device_remove_file(rk_fb->fb[i]->dev, &rkfb_attrs[t]);