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);
435 mutex_lock(&dev_drv->front_lock);
437 if (!dev_drv->front_regs) {
443 mutex_unlock(&dev_drv->front_lock);
445 if (dev_drv->ops->get_dspbuf_info)
446 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
447 &yact, &data_format, &dsp_addr,
450 dump_win(NULL, NULL, dsp_addr, xact, yact, data_format,
451 0, 0, 0, is_bmp, false);
454 front_regs = kmalloc(sizeof(*front_regs), GFP_KERNEL);
457 memcpy(front_regs, dev_drv->front_regs, sizeof(*front_regs));
459 for (i = 0; i < front_regs->win_num; i++) {
460 if (mask_win && !(mask_win & (1 << i)))
462 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
463 if (mask_area && !(mask_area & (1 << j)))
465 win_data = &front_regs->reg_win_data[i];
466 area_data = &win_data->reg_area_data[j];
467 if (area_data->ion_handle)
468 ion_handle_get(area_data->ion_handle);
472 for (i = 0; i < front_regs->win_num; i++) {
473 if (mask_win && !(mask_win & (1 << i)))
475 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
476 if (mask_area && !(mask_area & (1 << j)))
479 win_data = &front_regs->reg_win_data[i];
480 area_data = &win_data->reg_area_data[j];
482 dump_win(rk_fb->ion_client,
483 area_data->ion_handle,
484 area_data->smem_start,
485 area_data->xvir, area_data->yvir,
486 area_data->data_format,
487 0, i, j, is_bmp, false);
488 if (area_data->ion_handle)
489 ion_handle_put(area_data->ion_handle);
495 mutex_unlock(&dev_drv->front_lock);
497 trace->num_frames = num_frames;
498 trace->count_frame = 0;
499 trace->is_bmp = is_bmp;
500 trace->is_append = is_append;
501 trace->mask_win = mask_win;
502 trace->mask_area = mask_area;
509 static ssize_t show_dsp_buffer(struct device *dev,
510 struct device_attribute *attr, char *buf)
514 size = snprintf(buf, PAGE_SIZE,
515 "you can display a picture store in "
516 "/data/fb0.bin use the following cmd:\n"
517 "echo n xsize ysize format > dsp_buf\n"
519 "xsize: picture horizontal size\n"
520 "ysize: picture vertical size\n"
522 " RGBA=1,RGBX=2,RGB=3,YUV420SP=17");
526 extern int __close_fd(struct files_struct *files, unsigned fd);
528 static ssize_t set_dsp_buffer(struct device *dev,
529 struct device_attribute *attr,
530 const char *buf, size_t count)
532 struct fb_info *fbi = dev_get_drvdata(dev);
533 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
534 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
535 struct rk_fb *rk_fb = dev_get_drvdata(fbi->device);
538 int width, height, frame_num;
540 const char *start = buf;
541 struct ion_handle *handle = NULL;
542 char __iomem *screen_base;
543 struct rk_fb_win_cfg_data win_config;
544 struct rk_screen *screen = dev_drv->cur_screen;
548 char *name = "/data/fb0.bin";
549 struct sync_fence *acq_fence;
550 struct files_struct *files = current->files;
552 frame_num = simple_strtoul(start, NULL, 10);
556 } while ((*start != ' ') && space_max);
558 width = simple_strtoul(start, NULL, 10);
562 } while ((*start != ' ') && space_max);
564 height = simple_strtoul(start, NULL, 10);
569 } while ((*start != ' ') && space_max);
571 format = simple_strtoul(start, NULL, 10);
573 pr_info("frame_num=%d,w=%d,h=%d,file=%s,format=%d\n",
574 frame_num, width, height, name, format);
575 flags = O_RDWR | O_CREAT | O_NONBLOCK;
576 filp = filp_open(name, flags, 0x600);
578 pr_err("fail to create %s\n", name);
583 mem_size = width * height * 4 * frame_num;
584 if (dev_drv->iommu_enabled)
585 handle = ion_alloc(rk_fb->ion_client, mem_size, 0,
586 ION_HEAP_SYSTEM_MASK, 0);
588 handle = ion_alloc(rk_fb->ion_client, mem_size, 0,
589 ION_HEAP_TYPE_DMA_MASK, 0);
590 if (IS_ERR(handle)) {
591 pr_err("failed to ion_alloc:%ld\n", PTR_ERR(handle));
594 fd = ion_share_dma_buf_fd(rk_fb->ion_client, handle);
596 pr_err("ion_share_dma_buf_fd failed, fd=%d\n", fd);
599 screen_base = ion_map_kernel(rk_fb->ion_client, handle);
600 read_buffer(filp, screen_base, mem_size, 0);
602 memset(&win_config, 0, sizeof(win_config));
603 win_config.wait_fs = 0;
604 win_config.win_par[0].win_id = 0;
605 win_config.win_par[0].z_order = 0;
606 win_config.win_par[0].area_par[0].data_format = format;
607 win_config.win_par[0].area_par[0].ion_fd = fd;
608 win_config.win_par[0].area_par[0].x_offset = 0;
609 win_config.win_par[0].area_par[0].y_offset = 0;
610 win_config.win_par[0].area_par[0].xpos = 0;
611 win_config.win_par[0].area_par[0].ypos = 0;
612 win_config.win_par[0].area_par[0].xsize = screen->mode.xres;
613 win_config.win_par[0].area_par[0].ysize = screen->mode.yres;
614 win_config.win_par[0].area_par[0].xact = width;
615 win_config.win_par[0].area_par[0].yact = height;
616 win_config.win_par[0].area_par[0].xvir = width;
617 win_config.win_par[0].area_par[0].yvir = height;
619 for (i = 0; i < frame_num; i++) {
620 win_config.win_par[0].area_par[0].y_offset = height * i;
621 fbi->fbops->fb_ioctl(fbi, RK_FBIOSET_CONFIG_DONE,
622 (unsigned long)(&win_config));
623 for (j = 0; j < RK_MAX_BUF_NUM; j++) {
624 if (win_config.rel_fence_fd[j] > 0) {
626 sync_fence_fdget(win_config.rel_fence_fd[j]);
627 sync_fence_put(acq_fence);
631 if (win_config.ret_fence_fd > 0) {
633 sync_fence_fdget(win_config.ret_fence_fd);
634 sync_fence_put(acq_fence);
638 ion_unmap_kernel(rk_fb->ion_client, handle);
639 ion_free(rk_fb->ion_client, handle);
640 __close_fd(files, fd);
643 filp_close(filp, NULL);
648 static ssize_t show_phys(struct device *dev,
649 struct device_attribute *attr, char *buf)
651 struct fb_info *fbi = dev_get_drvdata(dev);
653 return snprintf(buf, PAGE_SIZE, "0x%lx-----0x%x\n",
654 fbi->fix.smem_start, fbi->fix.smem_len);
657 static ssize_t show_virt(struct device *dev,
658 struct device_attribute *attr, char *buf)
660 struct fb_info *fbi = dev_get_drvdata(dev);
662 return snprintf(buf, PAGE_SIZE, "0x%p-----0x%x\n",
663 fbi->screen_base, fbi->fix.smem_len);
666 static ssize_t show_fb_state(struct device *dev,
667 struct device_attribute *attr, char *buf)
669 struct fb_info *fbi = dev_get_drvdata(dev);
670 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
671 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
673 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
674 int state = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
676 return snprintf(buf, PAGE_SIZE, "%s\n", state ? "enabled" : "disabled");
679 static ssize_t show_dual_mode(struct device *dev,
680 struct device_attribute *attr, char *buf)
682 struct fb_info *fbi = dev_get_drvdata(dev);
683 struct rk_fb *rk_fb = dev_get_drvdata(fbi->device);
684 int mode = rk_fb->disp_mode;
686 return snprintf(buf, PAGE_SIZE, "%d\n", mode);
689 static ssize_t set_fb_state(struct device *dev, struct device_attribute *attr,
690 const char *buf, size_t count)
692 struct fb_info *fbi = dev_get_drvdata(dev);
693 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
694 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
695 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
699 ret = kstrtoint(buf, 0, &state);
702 dev_drv->ops->open(dev_drv, win_id, state);
704 dev_drv->ops->set_par(dev_drv, win_id);
705 dev_drv->ops->pan_display(dev_drv, win_id);
706 dev_drv->ops->cfg_done(dev_drv);
711 static ssize_t show_overlay(struct device *dev,
712 struct device_attribute *attr, char *buf)
714 struct fb_info *fbi = dev_get_drvdata(dev);
715 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
716 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
719 if (dev_drv->ops->ovl_mgr)
720 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
725 return snprintf(buf, PAGE_SIZE, "%s\n",
726 ovl ? "win0 on the top of win1" :
727 "win1 on the top of win0");
730 static ssize_t set_overlay(struct device *dev, struct device_attribute *attr,
731 const char *buf, size_t count)
733 struct fb_info *fbi = dev_get_drvdata(dev);
734 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
735 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
739 ret = kstrtou32(buf, 0, &ovl);
742 if (dev_drv->ops->ovl_mgr)
743 ret = dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
750 static ssize_t show_fps(struct device *dev,
751 struct device_attribute *attr, char *buf)
753 struct fb_info *fbi = dev_get_drvdata(dev);
754 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
755 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
758 if (dev_drv->ops->fps_mgr)
759 fps = dev_drv->ops->fps_mgr(dev_drv, 0, 0);
763 return snprintf(buf, PAGE_SIZE, "fps:%d\n", fps);
766 static ssize_t set_fps(struct device *dev, struct device_attribute *attr,
767 const char *buf, size_t count)
769 struct fb_info *fbi = dev_get_drvdata(dev);
770 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
771 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
772 struct rk_screen *screen = dev_drv->cur_screen;
776 ret = kstrtou32(buf, 0, &fps);
780 origin_fps = rk_fb_calc_fps(screen, dev_drv->pixclock);
783 * use too low or too high fps would make screen abnormal,
784 * and maybe can't recovery, so limit the fps.
786 if (fps <= 40 || fps > origin_fps)
789 if (dev_drv->ops->fps_mgr)
790 ret = dev_drv->ops->fps_mgr(dev_drv, fps, 1);
797 static ssize_t show_fb_win_map(struct device *dev,
798 struct device_attribute *attr, char *buf)
801 struct fb_info *fbi = dev_get_drvdata(dev);
802 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
803 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
805 mutex_lock(&dev_drv->fb_win_id_mutex);
807 snprintf(buf, PAGE_SIZE, "fb0:win%d\nfb1:win%d\nfb2:win%d\n",
808 dev_drv->fb0_win_id, dev_drv->fb1_win_id,
809 dev_drv->fb2_win_id);
810 mutex_unlock(&dev_drv->fb_win_id_mutex);
815 static ssize_t set_fb_win_map(struct device *dev, struct device_attribute *attr,
816 const char *buf, size_t count)
818 struct fb_info *fbi = dev_get_drvdata(dev);
819 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
820 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
824 ret = kstrtou32(buf, 0, &order);
825 if ((order != FB0_WIN2_FB1_WIN1_FB2_WIN0) &&
826 (order != FB0_WIN1_FB1_WIN2_FB2_WIN0) &&
827 (order != FB0_WIN2_FB1_WIN0_FB2_WIN1) &&
828 (order != FB0_WIN0_FB1_WIN2_FB2_WIN1) &&
829 (order != FB0_WIN0_FB1_WIN1_FB2_WIN2) &&
830 (order != FB0_WIN1_FB1_WIN0_FB2_WIN2)) {
831 dev_info(dev, "un supported map\n"
832 "you can use the following order:\n" "201:\n"
833 "fb0-win1\n" "fb1-win0\n" "fb2-win2\n" "210:\n"
834 "fb0-win0\n" "fb1-win1\n" "fb2-win2\n" "120:\n"
835 "fb0-win0\n" "fb1-win2\n" "fb2-win1\n" "102:\n"
836 "fb0-win2\n" "fb1-win0\n" "fb2-win1\n" "021:\n"
837 "fb0-win1\n" "fb1-win2\n" "fb2-win0\n" "012:\n"
838 "fb0-win2\n" "fb1-win1\n" "fb2-win0\n");
841 if (dev_drv->ops->fb_win_remap)
842 dev_drv->ops->fb_win_remap(dev_drv, order);
848 static ssize_t show_hwc_lut(struct device *dev,
849 struct device_attribute *attr, char *buf)
854 static ssize_t set_hwc_lut(struct device *dev, struct device_attribute *attr,
855 const char *buf, size_t count)
858 const char *start = buf;
862 struct fb_info *fbi = dev_get_drvdata(dev);
863 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
864 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
866 /*printk("count:%d\n>>%s\n\n",count,start);*/
867 for (i = 0; i < 256; i++) {
868 space_max = 15; /*max space number 15*/
869 temp = simple_strtoul(start, NULL, 16);
874 } while ((*start != ' ') && space_max);
881 if (dev_drv->ops->set_hwc_lut)
882 dev_drv->ops->set_hwc_lut(dev_drv, hwc_lut, 1);
887 static ssize_t show_cabc_lut(struct device *dev,
888 struct device_attribute *attr, char *buf)
893 static ssize_t set_cabc_lut(struct device *dev, struct device_attribute *attr,
894 const char *buf, size_t count)
897 const char *start = buf;
901 struct fb_info *fbi = dev_get_drvdata(dev);
902 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
903 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
905 for (i = 0; i < 256; i++) {
907 /*init by default value*/
908 cabc_lut[i] = temp + (temp << 8) + (temp << 16);
910 for (i = 0; i < 256; i++) {
911 space_max = 10; /*max space number 10*/
912 temp = simple_strtoul(start, NULL, 10);
917 } while ((*start != ' ') && space_max);
924 if (dev_drv->ops->set_cabc_lut)
925 dev_drv->ops->set_cabc_lut(dev_drv, cabc_lut);
930 static ssize_t show_dsp_lut(struct device *dev,
931 struct device_attribute *attr, char *buf)
936 static ssize_t set_dsp_lut(struct device *dev, struct device_attribute *attr,
937 const char *buf, size_t count)
940 const char *start = buf;
944 struct fb_info *fbi = dev_get_drvdata(dev);
945 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
946 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
948 for (i = 0; i < 256; i++) {
950 /*init by default value*/
951 dsp_lut[i] = temp + (temp << 8) + (temp << 16);
953 /*printk("count:%d\n>>%s\n\n",count,start);*/
954 for (i = 0; i < 256; i++) {
955 space_max = 10; /*max space number 10*/
956 temp = simple_strtoul(start, NULL, 10);
961 } while ((*start != ' ') && space_max);
968 if (dev_drv->ops->set_dsp_lut)
969 dev_drv->ops->set_dsp_lut(dev_drv, dsp_lut);
974 static ssize_t show_dsp_cabc(struct device *dev,
975 struct device_attribute *attr, char *buf)
977 struct fb_info *fbi = dev_get_drvdata(dev);
978 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
979 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
981 return snprintf(buf, PAGE_SIZE, "cabc mode=%d\n",
986 static ssize_t set_dsp_cabc(struct device *dev, struct device_attribute *attr,
987 const char *buf, size_t count)
989 struct fb_info *fbi = dev_get_drvdata(dev);
990 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
991 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
992 int space_max, ret = 0, mode = 0, calc = 0, up = 0, down = 0, global = 0;
993 const char *start = buf;
995 space_max = 10; /*max space number 10*/
996 mode = simple_strtoul(start, NULL, 10);
1000 } while ((*start != ' ') && space_max);
1002 calc = simple_strtoul(start, NULL, 10);
1007 } while ((*start != ' ') && space_max);
1009 up = simple_strtoul(start, NULL, 10);
1014 } while ((*start != ' ') && space_max);
1016 down = simple_strtoul(start, NULL, 10);
1021 } while ((*start != ' ') && space_max);
1023 global = simple_strtoul(start, NULL, 10);
1025 if (dev_drv->ops->set_dsp_cabc)
1026 ret = dev_drv->ops->set_dsp_cabc(dev_drv, mode, calc, up, down, global);
1033 static ssize_t show_dsp_bcsh(struct device *dev,
1034 struct device_attribute *attr, char *buf)
1036 struct fb_info *fbi = dev_get_drvdata(dev);
1037 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1038 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1039 int brightness = 0, contrast = 0, sat_con = 0, sin_hue = 0, cos_hue = 0;
1041 if (dev_drv->ops->get_dsp_bcsh_bcs) {
1042 brightness = dev_drv->ops->get_dsp_bcsh_bcs(dev_drv,
1044 contrast = dev_drv->ops->get_dsp_bcsh_bcs(dev_drv, CONTRAST);
1045 sat_con = dev_drv->ops->get_dsp_bcsh_bcs(dev_drv, SAT_CON);
1047 if (dev_drv->ops->get_dsp_bcsh_hue) {
1048 sin_hue = dev_drv->ops->get_dsp_bcsh_hue(dev_drv, H_SIN);
1049 cos_hue = dev_drv->ops->get_dsp_bcsh_hue(dev_drv, H_COS);
1051 return snprintf(buf, PAGE_SIZE,
1052 "brightness:%4d,contrast:%4d,sat_con:%4d,"
1053 "sin_hue:%4d,cos_hue:%4d\n",
1054 brightness, contrast, sat_con, sin_hue, cos_hue);
1057 static ssize_t set_dsp_bcsh(struct device *dev, struct device_attribute *attr,
1058 const char *buf, size_t count)
1060 struct fb_info *fbi = dev_get_drvdata(dev);
1061 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1062 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1063 int brightness, contrast, sat_con, ret = 0, sin_hue, cos_hue;
1065 if (!strncmp(buf, "open", 4)) {
1066 if (dev_drv->ops->open_bcsh)
1067 ret = dev_drv->ops->open_bcsh(dev_drv, 1);
1070 } else if (!strncmp(buf, "close", 5)) {
1071 if (dev_drv->ops->open_bcsh)
1072 ret = dev_drv->ops->open_bcsh(dev_drv, 0);
1075 } else if (!strncmp(buf, "brightness", 10)) {
1076 sscanf(buf, "brightness %d", &brightness);
1077 if (unlikely(brightness > 255)) {
1079 "brightness should be [0:255],now=%d\n\n",
1083 if (dev_drv->ops->set_dsp_bcsh_bcs)
1084 ret = dev_drv->ops->set_dsp_bcsh_bcs(dev_drv,
1089 } else if (!strncmp(buf, "contrast", 8)) {
1090 sscanf(buf, "contrast %d", &contrast);
1091 if (unlikely(contrast > 510)) {
1093 "contrast should be [0:510],now=%d\n",
1097 if (dev_drv->ops->set_dsp_bcsh_bcs)
1098 ret = dev_drv->ops->set_dsp_bcsh_bcs(dev_drv,
1103 } else if (!strncmp(buf, "sat_con", 7)) {
1104 sscanf(buf, "sat_con %d", &sat_con);
1105 if (unlikely(sat_con > 1015)) {
1107 "sat_con should be [0:1015],now=%d\n",
1111 if (dev_drv->ops->set_dsp_bcsh_bcs)
1112 ret = dev_drv->ops->set_dsp_bcsh_bcs(dev_drv,
1117 } else if (!strncmp(buf, "hue", 3)) {
1118 sscanf(buf, "hue %d %d", &sin_hue, &cos_hue);
1119 if (unlikely(sin_hue > 511 || cos_hue > 511)) {
1120 dev_err(fbi->dev, "sin_hue=%d,cos_hue=%d\n",
1123 if (dev_drv->ops->set_dsp_bcsh_hue)
1124 ret = dev_drv->ops->set_dsp_bcsh_hue(dev_drv,
1130 dev_info(dev, "format error\n");
1139 static ssize_t show_scale(struct device *dev,
1140 struct device_attribute *attr, char *buf)
1142 struct fb_info *fbi = dev_get_drvdata(dev);
1143 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1144 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1146 return snprintf(buf, PAGE_SIZE,
1147 "xscale=%d yscale=%d\nleft=%d top=%d right=%d bottom=%d\n",
1148 (dev_drv->overscan.left + dev_drv->overscan.right) / 2,
1149 (dev_drv->overscan.top + dev_drv->overscan.bottom) / 2,
1150 dev_drv->overscan.left, dev_drv->overscan.top,
1151 dev_drv->overscan.right, dev_drv->overscan.bottom);
1154 static ssize_t set_scale(struct device *dev, struct device_attribute *attr,
1155 const char *buf, size_t count)
1157 struct fb_info *fbi = dev_get_drvdata(dev);
1158 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1159 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1160 u32 left, top, right, bottom;
1162 if (!strncmp(buf, "overscan", 8)) {
1164 "overscan %d,%d,%d,%d", &left, &top, &right, &bottom);
1165 if (left > 0 && left <= 100)
1166 dev_drv->overscan.left = left;
1167 if (top > 0 && top <= 100)
1168 dev_drv->overscan.top = top;
1169 if (right > 0 && right <= 100)
1170 dev_drv->overscan.right = right;
1171 if (bottom > 0 && bottom <= 100)
1172 dev_drv->overscan.bottom = bottom;
1173 } else if (!strncmp(buf, "left", 4)) {
1174 sscanf(buf, "left=%d", &left);
1175 if (left > 0 && left <= 100)
1176 dev_drv->overscan.left = left;
1177 } else if (!strncmp(buf, "top", 3)) {
1178 sscanf(buf, "top=%d", &top);
1179 if (top > 0 && top <= 100)
1180 dev_drv->overscan.top = top;
1181 } else if (!strncmp(buf, "right", 5)) {
1182 sscanf(buf, "right=%d", &right);
1183 if (right > 0 && right <= 100)
1184 dev_drv->overscan.right = right;
1185 } else if (!strncmp(buf, "bottom", 6)) {
1186 sscanf(buf, "bottom=%d", &bottom);
1187 if (bottom > 0 && bottom <= 100)
1188 dev_drv->overscan.bottom = bottom;
1189 } else if (!strncmp(buf, "xscale", 6)) {
1190 sscanf(buf, "xscale=%d", &left);
1191 if (left > 0 && left <= 100) {
1192 dev_drv->overscan.left = left;
1193 dev_drv->overscan.right = left;
1195 } else if (!strncmp(buf, "yscale", 6)) {
1196 sscanf(buf, "yscale=%d", &left);
1197 if (left > 0 && left <= 100) {
1198 dev_drv->overscan.top = left;
1199 dev_drv->overscan.bottom = left;
1202 sscanf(buf, "%d", &left);
1203 if (left > 0 && left <= 100) {
1204 dev_drv->overscan.left = left;
1205 dev_drv->overscan.right = left;
1206 dev_drv->overscan.top = left;
1207 dev_drv->overscan.bottom = left;
1211 if (dev_drv->ops->set_overscan)
1212 dev_drv->ops->set_overscan(dev_drv, &dev_drv->overscan);
1217 static ssize_t show_lcdc_id(struct device *dev,
1218 struct device_attribute *attr,
1221 struct fb_info *fbi = dev_get_drvdata(dev);
1222 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1223 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1225 return snprintf(buf, PAGE_SIZE, "%d\n", dev_drv->id);
1228 static ssize_t show_dsp_mode(struct device *dev,
1229 struct device_attribute *attr,
1232 struct fb_info *fbi = dev_get_drvdata(dev);
1233 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1234 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1236 return snprintf(buf, PAGE_SIZE, "%d\n", dev_drv->dsp_mode);
1239 static ssize_t show_hot_plug_state(struct device *dev,
1240 struct device_attribute *attr,
1243 struct fb_info *fbi = dev_get_drvdata(dev);
1244 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1245 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1247 return snprintf(buf, PAGE_SIZE, "%d\n", dev_drv->hot_plug_state);
1250 static ssize_t show_win_property(struct device *dev,
1251 struct device_attribute *attr,
1254 struct fb_info *fbi = dev_get_drvdata(dev);
1255 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1256 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1259 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
1260 return snprintf(buf, PAGE_SIZE,
1261 "feature: %d, max_input_x: %d, max_input_y: %d\n",
1262 dev_drv->win[win_id]->property.feature,
1263 dev_drv->win[win_id]->property.max_input_x,
1264 dev_drv->win[win_id]->property.max_input_y);
1267 static ssize_t set_car_reverse(struct device *dev,
1268 struct device_attribute *attr,
1269 const char *buf, size_t count)
1271 struct fb_info *fbi = dev_get_drvdata(dev);
1272 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
1273 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1277 ret = kstrtou32(buf, 0, &status);
1280 rk_fb_set_car_reverse_status(dev_drv, status);
1285 static struct device_attribute rkfb_attrs[] = {
1286 __ATTR(phys_addr, S_IRUGO, show_phys, NULL),
1287 __ATTR(virt_addr, S_IRUGO, show_virt, NULL),
1288 __ATTR(disp_info, S_IRUGO, show_disp_info, NULL),
1289 __ATTR(dump_buf, S_IRUGO | S_IWUSR, show_dump_buffer, set_dump_buffer),
1290 __ATTR(dsp_buf, S_IRUGO | S_IWUSR, show_dsp_buffer, set_dsp_buffer),
1291 __ATTR(screen_info, S_IRUGO | S_IWUSR,
1292 show_screen_info, set_screen_info),
1293 __ATTR(dual_mode, S_IRUGO, show_dual_mode, NULL),
1294 __ATTR(enable, S_IRUGO | S_IWUSR, show_fb_state, set_fb_state),
1295 __ATTR(overlay, S_IRUGO | S_IWUSR, show_overlay, set_overlay),
1296 __ATTR(fps, S_IRUGO | S_IWUSR, show_fps, set_fps),
1297 __ATTR(map, S_IRUGO | S_IWUSR, show_fb_win_map, set_fb_win_map),
1298 __ATTR(dsp_lut, S_IRUGO | S_IWUSR, show_dsp_lut, set_dsp_lut),
1299 __ATTR(cabc_lut, S_IRUGO | S_IWUSR, show_cabc_lut, set_cabc_lut),
1300 __ATTR(hwc_lut, S_IRUGO | S_IWUSR, show_hwc_lut, set_hwc_lut),
1301 __ATTR(cabc, S_IRUGO | S_IWUSR, show_dsp_cabc, set_dsp_cabc),
1302 __ATTR(bcsh, S_IRUGO | S_IWUSR, show_dsp_bcsh, set_dsp_bcsh),
1303 __ATTR(scale, S_IRUGO | S_IWUSR, show_scale, set_scale),
1304 __ATTR(lcdcid, S_IRUGO, show_lcdc_id, NULL),
1305 __ATTR(win_property, S_IRUGO, show_win_property, NULL),
1306 __ATTR(car_reverse, S_IWUSR, NULL, set_car_reverse),
1307 __ATTR(dsp_mode, S_IRUGO, show_dsp_mode, NULL),
1308 __ATTR(hot_plug_state, S_IRUGO, show_hot_plug_state, NULL),
1311 int rkfb_create_sysfs(struct fb_info *fbi)
1315 for (t = 0; t < ARRAY_SIZE(rkfb_attrs); t++) {
1316 r = device_create_file(fbi->dev, &rkfb_attrs[t]);
1318 dev_err(fbi->dev, "failed to create sysfs " "file\n");
1326 void rkfb_remove_sysfs(struct rk_fb *rk_fb)
1330 for (i = 0; i < rk_fb->num_fb; i++) {
1331 for (t = 0; t < ARRAY_SIZE(rkfb_attrs); t++)
1332 device_remove_file(rk_fb->fb[i]->dev, &rkfb_attrs[t]);