+static void fill_buffer(void *handle, void *vaddr, int size)
+{
+ struct file *filp = handle;
+
+ if (filp)
+ vfs_write(filp, vaddr, size, &filp->f_pos);
+}
+
+static void read_buffer(void *handle, void *vaddr, int size, loff_t pos)
+{
+ struct file *filp = handle;
+
+ if (filp)
+ vfs_read(filp, vaddr, size, &pos);
+}
+
+static int dump_win(struct ion_client *ion_client,
+ struct ion_handle *ion_handle, phys_addr_t phys_addr,
+ int width, int height, u8 data_format, uint32_t frameid,
+ int win_id, int area_id, bool is_bmp, bool is_append)
+{
+ void __iomem *vaddr = NULL;
+ struct file *filp;
+ mm_segment_t old_fs;
+ char name[100];
+ int flags;
+ int bits;
+
+ switch (data_format) {
+ case XRGB888:
+ case XBGR888:
+ case ARGB888:
+ case ABGR888:
+ case FBDC_RGBX_888:
+ bits = 32;
+ break;
+ case YUV444_A:
+ case YUV444:
+ case RGB888:
+ case FBDC_ARGB_888:
+ bits = 24;
+ break;
+ case RGB565:
+ case FBDC_RGB_565:
+ case YUV422:
+ case YUV422_A:
+ bits = 16;
+ break;
+ case YUV420_A:
+ case YUV420:
+ case YUV420_NV21:
+ bits = 12;
+ break;
+ default:
+ return 0;
+ }
+
+ if (ion_handle) {
+ vaddr = ion_map_kernel(ion_client, ion_handle);
+ } else if (phys_addr) {
+ unsigned long start;
+ unsigned int nr_pages;
+ struct page **pages;
+ int i = 0;
+
+ start = phys_addr;
+ nr_pages = roundup(width * height * (bits >> 3), PAGE_SIZE);
+ nr_pages /= PAGE_SIZE;
+ pages = kzalloc(sizeof(struct page) * nr_pages, GFP_KERNEL);
+ while (i < nr_pages) {
+ pages[i] = phys_to_page(start);
+ start += PAGE_SIZE;
+ i++;
+ }
+ vaddr = vmap(pages, nr_pages, VM_MAP,
+ pgprot_writecombine(PAGE_KERNEL));
+ if (!vaddr) {
+ pr_err("failed to vmap phy addr %lx\n",
+ start);
+ return -1;
+ }
+ } else {
+ return 0;
+ }
+
+ flags = O_RDWR | O_CREAT | O_NONBLOCK;
+ if (is_append) {
+ snprintf(name, 100, "%s/append_win%d_%d_%dx%d_%s.%s",
+ DUMP_BUF_PATH, win_id, area_id, width, height,
+ get_format_str(data_format), is_bmp ? "bmp" : "bin");
+ flags |= O_APPEND;
+ } else {
+ snprintf(name, 100, "%s/frame%d_win%d_%d_%dx%d_%s.%s",
+ DUMP_BUF_PATH, frameid, win_id, area_id, width, height,
+ get_format_str(data_format), is_bmp ? "bmp" : "bin");
+ }
+
+ pr_info("dump win == > %s\n", name);
+ filp = filp_open(name, flags, 0x600);
+ if (!filp)
+ printk("fail to create %s\n", name);
+
+ old_fs = get_fs();
+ set_fs(KERNEL_DS);
+
+ if (is_bmp)
+ bmpencoder(vaddr, width, height,
+ data_format, filp, fill_buffer);
+ else
+ fill_buffer(filp, vaddr, width * height * bits >> 3);
+
+ set_fs(old_fs);
+
+ if (ion_handle)
+ ion_unmap_kernel(ion_client, ion_handle);
+ else if (vaddr)
+ vunmap(vaddr);
+
+ filp_close(filp, NULL);
+
+ return 0;
+}
+
+static ssize_t show_dump_buffer(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ ssize_t size;
+
+ size = snprintf(buf, PAGE_SIZE,
+ "bmp -- dump buffer to bmp image\n"
+ " can't support dump to single file\n"
+ "bin -- dump buffer to bin image\n"
+ "multi -- each dump will create new file\n"
+ " only works on trace context\n"
+ "win=num -- mask win to dump, default mask all\n"
+ " win=1, will dump win1 buffer\n"
+ " win=23, will dump win2 area3 buffer\n"
+ "trace=num -- trace num frames buffer dump\n"
+ " this option will block buffer switch\n"
+ " so recommend use with bin and win=xx\n"
+ "\nExample:\n"
+ "echo bmp > dump_buf; -- dump current buf to bmp file\n"
+ "echo bin > dump_buf; -- dump current buf to bin file\n"
+ "echo trace=50:win=1:win=23 > dump_buf\n"
+ " -- dump 50 frames, dump win1 and win2 area3\n"
+ " -- dump all buffer to single file\n"
+ "You can found dump files at %s\n"
+ , DUMP_BUF_PATH);
+
+ return size;
+}
+
+void trace_buffer_dump(struct device *dev, struct rk_lcdc_driver *dev_drv)
+{
+ struct rk_fb *rk_fb = dev_get_drvdata(dev);
+ struct rk_fb_reg_data *front_regs;
+ struct rk_fb_reg_win_data *win_data;
+ struct rk_fb_reg_area_data *area_data;
+ struct rkfb_sys_trace *trace = dev_drv->trace_buf;
+ int i, j;
+
+ if (!trace)
+ return;
+ if (trace->num_frames <= trace->count_frame)
+ return;
+
+ if (!dev_drv->front_regs)
+ return;
+ front_regs = dev_drv->front_regs;
+
+ for (i = 0; i < front_regs->win_num; i++) {
+ if (trace->mask_win && !(trace->mask_win & (1 << i)))
+ continue;
+ for (j = 0; j < RK_WIN_MAX_AREA; j++) {
+ win_data = &front_regs->reg_win_data[i];
+ area_data = &win_data->reg_area_data[j];
+ if (trace->mask_area && !(trace->mask_area & (1 << j)))
+ continue;
+
+ dump_win(rk_fb->ion_client, area_data->ion_handle,
+ area_data->smem_start,
+ area_data->xvir, area_data->yvir,
+ area_data->data_format, trace->count_frame,
+ i, j, trace->is_bmp, trace->is_append);
+ }
+ }
+ trace->count_frame++;
+}
+
+static ssize_t set_dump_buffer(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct fb_info *fbi = dev_get_drvdata(dev);
+ struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
+ struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
+ struct rk_fb *rk_fb = dev_get_drvdata(fbi->device);
+ struct rk_fb_reg_data *front_regs;
+ struct rk_fb_reg_win_data *win_data;
+ struct rk_fb_reg_area_data *area_data;
+ struct rkfb_sys_trace *trace;
+ struct dentry *dentry;
+ struct path path;
+ int err = 0;
+ int num_frames = 0;
+ int mask_win = 0;
+ int mask_area = 0;
+ bool is_bmp = false;
+ bool is_append = true;
+ char *p;
+ int i, j;
+
+ if (!rk_fb->ion_client)
+ return 0;
+
+ if (!dev_drv->trace_buf) {
+ dev_drv->trace_buf = devm_kmalloc(dev_drv->dev,
+ sizeof(struct rkfb_sys_trace),
+ GFP_KERNEL);
+ if (!dev_drv->trace_buf)
+ return -ENOMEM;
+ }
+ trace = dev_drv->trace_buf;
+ /*
+ * Stop buffer trace.
+ */
+ trace->num_frames = 0;
+
+ while ((p = strsep((char **)&buf, ":")) != NULL) {
+ if (!*p)
+ continue;
+ if (!strncmp(p, "trace=", 6)) {
+ if (kstrtoint(p + 6, 0, &num_frames))
+ dev_err(dev, "can't found trace frames\n");
+ continue;
+ }
+ if (!strncmp(p, "win=", 4)) {
+ int win;
+
+ if (kstrtoint(p + 4, 0, &win))
+ dev_err(dev, "can't found trace frames\n");
+ if (win < 10) {
+ mask_win |= 1 << win;
+ } else {
+ mask_win |= 1 << (win / 10);
+ mask_area |= 1 << (win % 10);
+ }
+
+ continue;
+ }
+ if (!strncmp(p, "bmp", 3)) {
+ is_bmp = true;
+ is_append = false;
+ continue;
+ }
+ if (!strncmp(p, "bin", 3)) {
+ is_bmp = false;
+ continue;
+ }
+ if (!strncmp(p, "multi", 5)) {
+ is_append = false;
+ continue;
+ }
+
+ dev_err(dev, "unknown option %s\n", p);
+ }
+
+ dentry = kern_path_create(AT_FDCWD, DUMP_BUF_PATH, &path,
+ LOOKUP_DIRECTORY);
+ if (!IS_ERR(dentry)) {
+ err = vfs_mkdir(path.dentry->d_inode, dentry, 700);
+ if (err)
+ dev_err(dev, "can't create %s err%d\n",
+ DUMP_BUF_PATH, err);
+ done_path_create(&path, dentry);
+ } else if (PTR_ERR(dentry) != -EEXIST) {
+ dev_err(dev, "can't create PATH %s err%d\n",
+ DUMP_BUF_PATH, err);
+ return PTR_ERR(dentry);
+ }
+
+ if (!num_frames) {
+ mutex_lock(&dev_drv->front_lock);
+
+ if (!dev_drv->front_regs) {
+ u16 xact, yact;
+ int data_format;
+ u32 dsp_addr;
+ int ymirror;
+
+ mutex_unlock(&dev_drv->front_lock);
+
+ if (dev_drv->ops->get_dspbuf_info)
+ dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
+ &yact, &data_format, &dsp_addr,
+ &ymirror);
+
+ dump_win(NULL, NULL, dsp_addr, xact, yact, data_format,
+ 0, 0, 0, is_bmp, false);
+ goto out;
+ }
+ front_regs = kmalloc(sizeof(*front_regs), GFP_KERNEL);
+ if (!front_regs)
+ return -ENOMEM;
+ memcpy(front_regs, dev_drv->front_regs, sizeof(*front_regs));
+
+ for (i = 0; i < front_regs->win_num; i++) {
+ if (mask_win && !(mask_win & (1 << i)))
+ continue;
+ for (j = 0; j < RK_WIN_MAX_AREA; j++) {
+ if (mask_area && !(mask_area & (1 << j)))
+ continue;
+ win_data = &front_regs->reg_win_data[i];
+ area_data = &win_data->reg_area_data[j];
+ if (area_data->ion_handle)
+ ion_handle_get(area_data->ion_handle);
+ }
+ }
+
+ for (i = 0; i < front_regs->win_num; i++) {
+ if (mask_win && !(mask_win & (1 << i)))
+ continue;
+ for (j = 0; j < RK_WIN_MAX_AREA; j++) {
+ if (mask_area && !(mask_area & (1 << j)))
+ continue;
+
+ win_data = &front_regs->reg_win_data[i];
+ area_data = &win_data->reg_area_data[j];
+
+ dump_win(rk_fb->ion_client,
+ area_data->ion_handle,
+ area_data->smem_start,
+ area_data->xvir, area_data->yvir,
+ area_data->data_format,
+ 0, i, j, is_bmp, false);
+ if (area_data->ion_handle)
+ ion_handle_put(area_data->ion_handle);
+ }
+ }
+
+ kfree(front_regs);
+
+ mutex_unlock(&dev_drv->front_lock);
+ } else {
+ trace->num_frames = num_frames;
+ trace->count_frame = 0;
+ trace->is_bmp = is_bmp;
+ trace->is_append = is_append;
+ trace->mask_win = mask_win;
+ trace->mask_area = mask_area;
+ }
+out:
+
+ return count;
+}
+
+static ssize_t show_dsp_buffer(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ ssize_t size;
+
+ size = snprintf(buf, PAGE_SIZE,
+ "you can display a picture store in "
+ "/data/fb0.bin use the following cmd:\n"
+ "echo n xsize ysize format > dsp_buf\n"
+ "n: picture number"
+ "xsize: picture horizontal size\n"
+ "ysize: picture vertical size\n"
+ "format:\n"
+ " RGBA=1,RGBX=2,RGB=3,YUV420SP=17");
+
+ return size;
+}
+extern int __close_fd(struct files_struct *files, unsigned fd);
+
+static ssize_t set_dsp_buffer(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct fb_info *fbi = dev_get_drvdata(dev);
+ struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
+ struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
+ struct rk_fb *rk_fb = dev_get_drvdata(fbi->device);
+ struct file *filp;
+ mm_segment_t old_fs;
+ int width, height, frame_num;
+ int i, j, flags, fd;
+ const char *start = buf;
+ struct ion_handle *handle = NULL;
+ char __iomem *screen_base;
+ struct rk_fb_win_cfg_data win_config;
+ struct rk_screen *screen = dev_drv->cur_screen;
+ int space_max = 10;
+ int format;
+ size_t mem_size = 0;
+ char *name = "/data/fb0.bin";
+ struct sync_fence *acq_fence;
+ struct files_struct *files = current->files;
+
+ frame_num = simple_strtoul(start, NULL, 10);
+ do {
+ start++;
+ space_max--;
+ } while ((*start != ' ') && space_max);
+ start++;
+ width = simple_strtoul(start, NULL, 10);
+ do {
+ start++;
+ space_max--;
+ } while ((*start != ' ') && space_max);
+ start++;
+ height = simple_strtoul(start, NULL, 10);
+
+ do {
+ start++;
+ space_max--;
+ } while ((*start != ' ') && space_max);
+ start++;
+ format = simple_strtoul(start, NULL, 10);
+
+ pr_info("frame_num=%d,w=%d,h=%d,file=%s,format=%d\n",
+ frame_num, width, height, name, format);
+ flags = O_RDWR | O_CREAT | O_NONBLOCK;
+ filp = filp_open(name, flags, 0x600);
+ if (!filp)
+ pr_err("fail to create %s\n", name);
+
+ old_fs = get_fs();
+ set_fs(KERNEL_DS);
+
+ mem_size = width * height * 4 * frame_num;
+ if (dev_drv->iommu_enabled)
+ handle = ion_alloc(rk_fb->ion_client, mem_size, 0,
+ ION_HEAP_SYSTEM_MASK, 0);
+ else
+ handle = ion_alloc(rk_fb->ion_client, mem_size, 0,
+ ION_HEAP_TYPE_DMA_MASK, 0);
+ if (IS_ERR(handle)) {
+ pr_err("failed to ion_alloc:%ld\n", PTR_ERR(handle));
+ return -ENOMEM;
+ }
+ fd = ion_share_dma_buf_fd(rk_fb->ion_client, handle);
+ if (fd < 0) {
+ pr_err("ion_share_dma_buf_fd failed, fd=%d\n", fd);
+ return fd;
+ }
+ screen_base = ion_map_kernel(rk_fb->ion_client, handle);
+ read_buffer(filp, screen_base, mem_size, 0);
+
+ memset(&win_config, 0, sizeof(win_config));
+ win_config.wait_fs = 0;
+ win_config.win_par[0].win_id = 0;
+ win_config.win_par[0].z_order = 0;
+ win_config.win_par[0].area_par[0].data_format = format;
+ win_config.win_par[0].area_par[0].ion_fd = fd;
+ win_config.win_par[0].area_par[0].x_offset = 0;
+ win_config.win_par[0].area_par[0].y_offset = 0;
+ win_config.win_par[0].area_par[0].xpos = 0;
+ win_config.win_par[0].area_par[0].ypos = 0;
+ win_config.win_par[0].area_par[0].xsize = screen->mode.xres;
+ win_config.win_par[0].area_par[0].ysize = screen->mode.yres;
+ win_config.win_par[0].area_par[0].xact = width;
+ win_config.win_par[0].area_par[0].yact = height;
+ win_config.win_par[0].area_par[0].xvir = width;
+ win_config.win_par[0].area_par[0].yvir = height;
+
+ for (i = 0; i < frame_num; i++) {
+ win_config.win_par[0].area_par[0].y_offset = height * i;
+ fbi->fbops->fb_ioctl(fbi, RK_FBIOSET_CONFIG_DONE,
+ (unsigned long)(&win_config));
+ for (j = 0; j < RK_MAX_BUF_NUM; j++) {
+ if (win_config.rel_fence_fd[j] > 0) {
+ acq_fence =
+ sync_fence_fdget(win_config.rel_fence_fd[j]);
+ sync_fence_put(acq_fence);
+ }
+ }
+
+ if (win_config.ret_fence_fd > 0) {
+ acq_fence =
+ sync_fence_fdget(win_config.ret_fence_fd);
+ sync_fence_put(acq_fence);
+ }
+ }
+
+ ion_unmap_kernel(rk_fb->ion_client, handle);
+ ion_free(rk_fb->ion_client, handle);
+ __close_fd(files, fd);
+
+ set_fs(old_fs);
+ filp_close(filp, NULL);
+
+ return count;
+}
+