2 * drivers/video/rockchip/rk_fb.c
4 * Copyright (C) ROCKCHIP, Inc.
5 *Author:yxj<yxj@rock-chips.com>
6 * This software is licensed under the terms of the GNU General Public
7 * License version 2, as published by the Free Software Foundation, and
8 * may be copied, distributed, and modified under those terms.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
16 #include <linux/module.h>
17 #include <linux/kernel.h>
18 #include <linux/errno.h>
19 #include <linux/string.h>
21 #include <linux/slab.h>
22 #include <linux/delay.h>
23 #include <linux/device.h>
24 #include <linux/kthread.h>
26 #include <linux/init.h>
27 #include <asm/div64.h>
28 #include <linux/uaccess.h>
29 #include <linux/rk_fb.h>
30 #include <linux/linux_logo.h>
31 #include <linux/dma-mapping.h>
34 #if defined(CONFIG_RK_HDMI)
35 #include "hdmi/rk_hdmi.h"
40 #include <linux/of_gpio.h>
41 #include <video/of_display_timing.h>
42 #include <video/display_timing.h>
43 #include <dt-bindings/rkfb/rk_fb.h>
46 #if defined(CONFIG_ION_ROCKCHIP)
47 #include <linux/rockchip_ion.h>
49 #include <linux/rockchip/iovmm.h>
50 #include <linux/rockchip/sysmmu.h>
51 #include <linux/dma-buf.h>
55 static int hdmi_switch_complete;
56 static struct platform_device *fb_pdev;
57 struct list_head saved_list;
59 #if defined(CONFIG_FB_MIRRORING)
60 int (*video_data_to_mirroring)(struct fb_info *info, u32 yuv_phy[2]);
61 EXPORT_SYMBOL(video_data_to_mirroring);
65 static struct rk_fb_trsm_ops *trsm_lvds_ops;
66 static struct rk_fb_trsm_ops *trsm_edp_ops;
67 static struct rk_fb_trsm_ops *trsm_mipi_ops;
69 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
74 case SCREEN_DUAL_LVDS:
81 case SCREEN_DUAL_MIPI:
85 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
92 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
94 struct rk_fb_trsm_ops *ops;
98 case SCREEN_DUAL_LVDS:
105 case SCREEN_DUAL_MIPI:
110 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
117 int rk_fb_pixel_width(int data_format)
138 printk(KERN_WARNING "%s:un supported format:0x%x\n",
139 __func__,data_format);
145 static int rk_fb_data_fmt(int data_format,int bits_per_pixel)
150 case HAL_PIXEL_FORMAT_RGBX_8888:
151 fb_data_fmt = XBGR888;
153 case HAL_PIXEL_FORMAT_RGBA_8888:
154 fb_data_fmt = ABGR888;
156 case HAL_PIXEL_FORMAT_BGRA_8888:
157 fb_data_fmt = ARGB888;
159 case HAL_PIXEL_FORMAT_RGB_888:
160 fb_data_fmt = RGB888;
162 case HAL_PIXEL_FORMAT_RGB_565:
163 fb_data_fmt = RGB565;
165 case HAL_PIXEL_FORMAT_YCbCr_422_SP: // yuv422
166 fb_data_fmt = YUV422;
168 case HAL_PIXEL_FORMAT_YCrCb_NV12: // YUV420---uvuvuv
169 fb_data_fmt = YUV420;
171 case HAL_PIXEL_FORMAT_YCrCb_444: // yuv444
172 fb_data_fmt = YUV444;
175 printk(KERN_WARNING "%s:un supported format:0x%x\n",
176 __func__,data_format);
180 switch(bits_per_pixel){
182 fb_data_fmt = ARGB888;
185 fb_data_fmt = RGB565;
188 printk(KERN_WARNING "%s:un supported bits_per_pixel:%d\n",
189 __func__,bits_per_pixel);
196 /* rk display power control parse from dts
199 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
201 struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
203 struct device_node *child;
204 struct rk_disp_pwr_ctr_list *pwr_ctr;
205 struct list_head *pos;
206 enum of_gpio_flags flags;
212 INIT_LIST_HEAD(&dev_drv->pwrlist_head);
214 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",dev_drv->id);
218 for_each_child_of_node(root, child) {
219 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list), GFP_KERNEL);
220 strcpy(pwr_ctr->pwr_ctr.name, child->name);
221 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
223 pwr_ctr->pwr_ctr.type = GPIO;
224 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
225 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
226 dev_err(dev_drv->dev, "%s ivalid gpio\n", child->name);
229 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
230 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,child->name);
232 dev_err(dev_drv->dev, "request %s gpio fail:%d\n",
237 pwr_ctr->pwr_ctr.type = REGULATOR;
241 of_property_read_u32(child, "rockchip,delay", &val);
242 pwr_ctr->pwr_ctr.delay = val;
243 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
246 of_property_read_u32(root, "rockchip,mirror", &mirror);
248 if (mirror == NO_MIRROR) {
249 dev_drv->cur_screen->x_mirror = 0;
250 dev_drv->cur_screen->y_mirror = 0;
251 } else if (mirror == X_MIRROR) {
252 dev_drv->cur_screen->x_mirror = 1;
253 dev_drv->cur_screen->y_mirror = 0;
254 } else if (mirror == Y_MIRROR) {
255 dev_drv->cur_screen->x_mirror = 0;
256 dev_drv->cur_screen->y_mirror = 1;
257 } else if(mirror == X_Y_MIRROR) {
258 dev_drv->cur_screen->x_mirror = 1;
259 dev_drv->cur_screen->y_mirror = 1;
262 of_property_read_u32(root, "rockchip,debug", &debug);
265 list_for_each(pos, &dev_drv->pwrlist_head) {
266 pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list, list);
267 printk(KERN_INFO "pwr_ctr_name:%s\n"
272 pwr_ctr->pwr_ctr.name,
273 (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
274 pwr_ctr->pwr_ctr.gpio,
275 pwr_ctr->pwr_ctr.atv_val,
276 pwr_ctr->pwr_ctr.delay);
284 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
286 struct list_head *pos;
287 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
288 struct pwr_ctr *pwr_ctr;
289 if (list_empty(&dev_drv->pwrlist_head))
291 list_for_each(pos, &dev_drv->pwrlist_head) {
292 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list, list);
293 pwr_ctr = &pwr_ctr_list->pwr_ctr;
294 if (pwr_ctr->type == GPIO) {
295 gpio_direction_output(pwr_ctr->gpio,pwr_ctr->atv_val);
296 mdelay(pwr_ctr->delay);
303 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
305 struct list_head *pos;
306 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
307 struct pwr_ctr *pwr_ctr;
308 if (list_empty(&dev_drv->pwrlist_head))
310 list_for_each(pos, &dev_drv->pwrlist_head) {
311 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list, list);
312 pwr_ctr = &pwr_ctr_list->pwr_ctr;
313 if (pwr_ctr->type == GPIO) {
314 gpio_set_value(pwr_ctr->gpio,pwr_ctr->atv_val);
321 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
322 struct rk_screen *screen)
324 screen->mode.pixclock = dt->pixelclock.typ;
325 screen->mode.left_margin = dt->hback_porch.typ;
326 screen->mode.right_margin = dt->hfront_porch.typ;
327 screen->mode.xres = dt->hactive.typ;
328 screen->mode.hsync_len = dt->hsync_len.typ;
329 screen->mode.upper_margin = dt->vback_porch.typ;
330 screen->mode.lower_margin = dt->vfront_porch.typ;
331 screen->mode.yres = dt->vactive.typ;
332 screen->mode.vsync_len = dt->vsync_len.typ;
333 screen->type = dt->screen_type;
334 screen->lvds_format = dt->lvds_format;
335 screen->face = dt->face;
337 if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
338 screen->pin_dclk = 1;
340 screen->pin_dclk = 0;
341 if(dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
342 screen->pin_hsync = 1;
344 screen->pin_hsync = 0;
345 if(dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
346 screen->pin_vsync = 1;
348 screen->pin_vsync = 0;
349 if(dt->flags & DISPLAY_FLAGS_DE_HIGH)
358 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
360 struct display_timings *disp_timing;
361 struct display_timing *dt;
362 disp_timing = of_get_display_timings(np);
364 pr_err("parse display timing err\n");
367 dt = display_timings_get(disp_timing, 0);
368 rk_fb_video_mode_from_timing(dt, screen);
369 printk(KERN_DEBUG "dclk:%d\n"
384 dt->hfront_porch.typ,
388 dt->vfront_porch.typ,
397 int rk_fb_calc_fps(struct rk_screen * screen, u32 pixclock)
400 unsigned long long hz;
402 printk(KERN_ERR "%s:null screen!\n", __func__);
405 x = screen->mode.xres + screen->mode.left_margin + screen->mode.right_margin +
406 screen->mode.hsync_len;
407 y = screen->mode.yres + screen->mode.upper_margin + screen->mode.lower_margin +
408 screen->mode.vsync_len;
410 hz = 1000000000000ULL; /* 1e12 picoseconds per second */
413 do_div(hz, x * y); /* divide by x * y with rounding */
416 do_div(hz, pixclock); /* divide by pixclock with rounding */
421 char *get_format_string(enum data_format format, char *fmt)
427 strcpy(fmt, "ARGB888");
430 strcpy(fmt, "RGB888");
433 strcpy(fmt, "RGB565");
436 strcpy(fmt, "YUV420");
439 strcpy(fmt, "YUV422");
442 strcpy(fmt, "YUV444");
445 strcpy(fmt, "XRGB888");
448 strcpy(fmt, "XBGR888");
451 strcpy(fmt, "XBGR888");
454 strcpy(fmt, "invalid");
464 /**********************************************************************
466 name: lcdc device name ,lcdc0 , lcdc1
467 ***********************************************************************/
468 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
470 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
472 for (i = 0; i < inf->num_lcdc; i++) {
473 if (!strcmp(inf->lcdc_dev_drv[i]->name, name))
476 return inf->lcdc_dev_drv[i];
480 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
482 struct rk_fb *inf = NULL;
483 struct rk_lcdc_driver *dev_drv = NULL;
487 inf = platform_get_drvdata(fb_pdev);
491 for (i = 0; i < inf->num_lcdc; i++) {
492 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
493 dev_drv = inf->lcdc_dev_drv[i];
502 int rk_fb_get_prmry_screen_ft(void)
504 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
505 uint32_t htotal, vtotal, pix_total, ft_us, dclk_mhz;
507 if (unlikely(!dev_drv))
510 dclk_mhz = dev_drv->pixclock/(1000*1000);
512 htotal = (dev_drv->cur_screen->mode.upper_margin + dev_drv->cur_screen->mode.lower_margin +
513 dev_drv->cur_screen->mode.yres + dev_drv->cur_screen->mode.vsync_len);
514 vtotal = (dev_drv->cur_screen->mode.left_margin + dev_drv->cur_screen->mode.right_margin +
515 dev_drv->cur_screen->mode.xres + dev_drv->cur_screen->mode.hsync_len);
516 pix_total = htotal*vtotal;
517 ft_us = pix_total / dclk_mhz;
522 static struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
524 struct rk_fb *inf = NULL;
525 struct rk_lcdc_driver *dev_drv = NULL;
529 inf = platform_get_drvdata(fb_pdev);
533 for (i = 0; i < inf->num_lcdc; i++) {
534 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
535 dev_drv = inf->lcdc_dev_drv[i];
544 u32 rk_fb_get_prmry_screen_pixclock(void)
546 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
547 return dev_drv->pixclock;
550 int rk_fb_poll_prmry_screen_vblank(void)
552 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
553 if (likely(dev_drv)) {
554 if (dev_drv->ops->poll_vblank)
555 return dev_drv->ops->poll_vblank(dev_drv);
557 return RK_LF_STATUS_NC;
559 return RK_LF_STATUS_NC;
562 bool rk_fb_poll_wait_frame_complete(void)
564 uint32_t timeout = RK_LF_MAX_TIMEOUT;
565 if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC)
568 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout);
569 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout);
573 static int rk_fb_open(struct fb_info *info, int user)
575 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
578 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
579 if (dev_drv->win[win_id]->state)
580 return 0; /* if this win aready opened ,no need to reopen*/
582 dev_drv->ops->open(dev_drv, win_id, 1);
586 static int get_extend_fb_id(struct fb_info *info)
589 char *id = info->fix.id;
590 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
591 if (!strcmp(id, "fb0"))
593 else if (!strcmp(id, "fb1"))
595 else if (!strcmp(id, "fb2") && (dev_drv->lcdc_win_num > 2))
600 static int rk_fb_close(struct fb_info *info, int user)
602 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
603 struct rk_lcdc_win *win = NULL;
604 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
606 win = dev_drv->win[win_id];
607 info->fix.smem_start = win->reserved;
609 info->var.xres = dev_drv->screen0->mode.xres;
610 info->var.yres = dev_drv->screen0->mode.yres;
611 info->var.grayscale |= (info->var.xres<<8) + (info->var.yres<<20);
612 #if defined(CONFIG_LOGO_LINUX_BMP)
613 info->var.bits_per_pixel = 32;
615 info->var.bits_per_pixel = 16;
617 info->fix.line_length = (info->var.xres)*(info->var.bits_per_pixel>>3);
618 info->var.xres_virtual = info->var.xres;
619 info->var.yres_virtual = info->var.yres;
620 info->var.width = dev_drv->screen0->width;
621 info->var.height = dev_drv->screen0->height;
622 info->var.pixclock = dev_drv->pixclock;
623 info->var.left_margin = dev_drv->screen0->mode.left_margin;
624 info->var.right_margin = dev_drv->screen0->mode.right_margin;
625 info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
626 info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
627 info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
628 info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
635 #if defined(CONFIG_RK29_IPP)
636 static int get_ipp_format(int fmt)
638 int ipp_fmt = IPP_XRGB_8888;
640 case HAL_PIXEL_FORMAT_RGBX_8888:
641 case HAL_PIXEL_FORMAT_RGBA_8888:
642 case HAL_PIXEL_FORMAT_BGRA_8888:
643 case HAL_PIXEL_FORMAT_RGB_888:
644 ipp_fmt = IPP_XRGB_8888;
646 case HAL_PIXEL_FORMAT_RGB_565:
647 ipp_fmt = IPP_RGB_565;
649 case HAL_PIXEL_FORMAT_YCbCr_422_SP:
650 ipp_fmt = IPP_Y_CBCR_H2V1;
652 case HAL_PIXEL_FORMAT_YCrCb_NV12:
653 ipp_fmt = IPP_Y_CBCR_H2V2;
655 case HAL_PIXEL_FORMAT_YCrCb_444:
656 ipp_fmt = IPP_Y_CBCR_H1V1;
659 ipp_fmt = IPP_IMGTYPE_LIMIT;
666 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
667 int rotation, int fmt)
673 if (fmt == IPP_XRGB_8888) {
676 } else if (fmt == IPP_RGB_565) {
683 align16 -= 1; /*for YUV, 1*/
684 align64 -= 1; /*for YUV, 7*/
686 if (rotation == IPP_ROT_0) {
687 if (fmt > IPP_RGB_565) {
688 if ((*dst_w & 1) != 0)
690 if ((*dst_h & 1) != 0)
692 if (*dst_vir_w < *dst_w)
697 if ((*dst_w & align64) != 0)
698 *dst_w = (*dst_w+align64)&(~align64);
699 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
701 if (*dst_vir_w < *dst_w)
707 static void fb_copy_by_ipp(struct fb_info *dst_info,
708 struct fb_info *src_info, int offset)
710 struct rk29_ipp_req ipp_req;
711 uint32_t rotation = 0;
712 int dst_w, dst_h, dst_vir_w;
714 u8 data_format = (dst_info->var.nonstd)&0xff;
716 memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
717 #if defined(CONFIG_FB_ROTATE)
718 int orientation = 270 - CONFIG_ROTATE_ORIENTATION;
719 switch (orientation) {
721 rotation = IPP_ROT_0;
724 rotation = IPP_ROT_90;
727 rotation = IPP_ROT_180;
730 rotation = IPP_ROT_270;
733 rotation = IPP_ROT_270;
739 dst_w = dst_info->var.xres;
740 dst_h = dst_info->var.yres;
741 dst_vir_w = dst_info->var.xres_virtual;
742 ipp_fmt = get_ipp_format(data_format);
743 ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
744 ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
745 ipp_req.src0.w = src_info->var.xres;
746 ipp_req.src0.h = src_info->var.yres;
747 ipp_req.src_vir_w = src_info->var.xres_virtual;
748 ipp_req.src0.fmt = ipp_fmt;
750 ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
751 ipp_req.dst0.w = dst_w;
752 ipp_req.dst0.h = dst_h;
753 ipp_req.dst_vir_w = dst_vir_w;
754 ipp_req.dst0.fmt = ipp_fmt;
757 ipp_req.timeout = 100;
758 ipp_req.flag = rotation;
759 ipp_blit_sync(&ipp_req);
766 static int rk_fb_rotate(struct fb_info *dst_info,
767 struct fb_info *src_info, int offset)
769 #if defined(CONFIG_RK29_IPP)
770 fb_copy_by_ipp(dst_info, src_info, offset);
776 static int rk_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
778 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
779 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
780 struct fb_fix_screeninfo *fix = &info->fix;
781 struct fb_info *extend_info = NULL;
782 struct rk_lcdc_driver *extend_dev_drv = NULL;
783 int win_id = 0, extend_win_id = 0;
784 struct rk_lcdc_win *extend_win = NULL;
785 struct rk_lcdc_win *win = NULL;
786 struct rk_screen *screen = dev_drv->cur_screen;
790 u32 xoffset = var->xoffset;
791 u32 yoffset = var->yoffset;
792 u32 xvir = var->xres_virtual;
793 u32 yvir = var->yres_virtual;
794 /*u8 data_format = var->nonstd&0xff;*/
798 u32 stride,uv_stride;
803 u16 uv_x_off,uv_y_off,dsp_height,uv_y_act;
806 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
810 win = dev_drv->win[win_id];
812 if (rk_fb->disp_mode == DUAL) {
813 fb_id = get_extend_fb_id(info);
814 extend_info = rk_fb->fb[(rk_fb->num_fb>>1) + fb_id];
815 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
816 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
817 extend_info->fix.id);
818 extend_win = extend_dev_drv->win[extend_win_id];
820 pixel_width = rk_fb_pixel_width(win->format);
821 vir_width_bit = pixel_width * xvir;
822 stride_128bit_1 = ((vir_width_bit + 127) & (~127))/8; //pixel_width = byte_num *8
823 stride_128bit_2 = ((vir_width_bit*2 + 127) & (~127))/8; //pixel_width = byte_num *8
824 stride_32bit_1 = ((vir_width_bit + 31 ) & (~31 ))/8; //pixel_width = byte_num *8
825 stride_32bit_2 = ((vir_width_bit*2 + 31 ) & (~31 ))/8; //pixel_width = byte_num *8
827 stride = stride_32bit_1;//default rgb
828 fix->line_length = stride;
829 dsp_height = win->area[0].ysize;
831 switch (win->format){
834 stride = stride_32bit_1;
835 uv_stride = stride_32bit_1>> 1 ;//
836 uv_x_off = xoffset >> 1 ;//
837 uv_y_off = yoffset;//0
838 fix->line_length = stride;
839 uv_y_act = dsp_height>>1;
843 stride = stride_32bit_1;
844 uv_stride = stride_32bit_1;
846 uv_y_off = yoffset >> 1;
847 fix->line_length = stride;
848 uv_y_act = dsp_height>>1;
852 stride = stride_32bit_1;
853 uv_stride = stride_32bit_2;
854 uv_x_off = xoffset*2;
856 fix->line_length = stride<<2;
857 uv_y_act = dsp_height;
863 // x y mirror ,jump line
864 if (screen->y_mirror == 1) {
865 if (screen->interlace == 1) {
866 win->area[0].y_offset = yoffset*stride*2 +
867 ((win->area[0].yact-1)*2+1)*stride +
868 xoffset*pixel_width/8;
870 win->area[0].y_offset = yoffset*stride +
871 (win->area[0].yact-1)*stride +
872 xoffset*pixel_width/8;
875 if (screen->interlace == 1) {
876 win->area[0].y_offset = yoffset*stride*2+xoffset*pixel_width/8;
878 win->area[0].y_offset = yoffset*stride+xoffset*pixel_width/8;
881 if (is_pic_yuv == 1) {
882 if(screen->y_mirror == 1) {
883 if (screen->interlace == 1) {
884 win->area[0].c_offset = uv_y_off*uv_stride*2 +
885 ((uv_y_act-1)*2+1)*uv_stride +
886 uv_x_off*pixel_width/8;
888 win->area[0].c_offset = uv_y_off*uv_stride +
889 (uv_y_act - 1)*uv_stride +
890 uv_x_off*pixel_width/8;
893 if (screen->interlace == 1) {
894 win->area[0].c_offset = uv_y_off*uv_stride*2+uv_x_off*pixel_width/8;
896 win->area[0].c_offset = uv_y_off*uv_stride+uv_x_off*pixel_width/8;
902 win->area[0].smem_start = fix->smem_start;
903 win->area[0].cbr_start = fix->smem_start + xvir * yvir;
905 win->area[0].state=1;
908 dev_drv->ops->pan_display(dev_drv, win_id);
909 if (rk_fb->disp_mode == DUAL) {
910 if (extend_win->state && (hdmi_switch_complete)) {
911 extend_win->area[0].y_offset = win->area[0].y_offset;
912 #if defined(CONFIG_FB_ROTATE) || !defined(CONFIG_THREE_FB_BUFFER)
913 rk_fb_rotate(extend_info, info, win->area[0].y_offset);
915 extend_dev_drv->ops->pan_display(extend_dev_drv, extend_win_id);
919 #ifdef CONFIG_FB_MIRRORING
920 if (video_data_to_mirroring)
921 video_data_to_mirroring(info, NULL);
926 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
929 i = list_empty(&dev_drv->update_regs_list);
930 j = list_empty(&saved_list);
935 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv,
936 struct sync_fence *fence)
938 int err = sync_fence_wait(fence, 1000);
944 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
947 printk("error waiting on fence\n");
951 static unsigned int rk_fb_map_ion_handle(struct fb_info *info,
952 struct rk_fb_reg_area_data *reg_area_data,
953 struct ion_handle *ion_handle,struct dma_buf *buf)
955 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
956 reg_area_data->dma_buf = buf;
957 reg_area_data->attachment =
958 dma_buf_attach(reg_area_data->dma_buf, dev_drv->dev);
959 if (IS_ERR_OR_NULL(reg_area_data->attachment)) {
960 dev_err(dev_drv->dev, "dma_buf_attach() failed: %ld\n",
961 PTR_ERR(reg_area_data->attachment));
962 goto err_buf_map_attach;
965 reg_area_data->sg_table = dma_buf_map_attachment(reg_area_data->attachment,
967 if (IS_ERR_OR_NULL(reg_area_data->sg_table)) {
968 dev_err(dev_drv->dev, "dma_buf_map_attachment() failed: %ld\n",
969 PTR_ERR(reg_area_data->sg_table));
970 goto err_buf_map_attachment;
973 reg_area_data->dma_addr = iovmm_map(dev_drv->dev, reg_area_data->sg_table->sgl, 0,
975 if (!reg_area_data->dma_addr || IS_ERR_VALUE(reg_area_data->dma_addr)) {
976 dev_err(dev_drv->dev, "iovmm_map() failed: %d\n", reg_area_data->dma_addr);
979 reg_area_data->ion_handle = ion_handle;
980 return reg_area_data->dma_buf->size;
983 dma_buf_unmap_attachment(reg_area_data->attachment,
984 reg_area_data->sg_table,DMA_BIDIRECTIONAL);
985 err_buf_map_attachment:
986 dma_buf_detach(buf, reg_area_data->attachment);
991 int rk_fb_sysmmu_fault_handler(struct device *dev,
992 enum rk_sysmmu_inttype itype, unsigned long pgtable_base,
993 unsigned long fault_addr,unsigned int statu)
995 /*struct fb_info *fbi = dev_get_drvdata(dev);
996 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
998 pr_err("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
999 fault_addr, pgtable_base,statu);
1000 dev_drv->ops->dump_reg(dev_drv);
1001 pr_err("Generating Kernel OOPS... because it is unrecoverable.\n");
1008 void rk_fb_free_dma_buf(struct device *dev,struct rk_fb_reg_win_data *reg_win_data)
1011 struct rk_fb_reg_area_data *area_data;
1012 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1014 for(i=0;i<RK_WIN_MAX_AREA;i++){
1015 if(reg_win_data->reg_area_data[i].acq_fence)
1016 sync_fence_put(reg_win_data->reg_area_data[i].acq_fence);
1019 for(i=0;i<reg_win_data->area_num;i++){
1020 area_data = ®_win_data->reg_area_data[i];
1021 index_buf = area_data->index_buf;
1024 iovmm_unmap(dev,area_data->dma_addr);
1025 dma_buf_unmap_attachment(area_data->attachment, area_data->sg_table,
1027 dma_buf_detach(area_data->dma_buf, area_data->attachment);
1028 dma_buf_put(area_data->dma_buf);
1030 ion_free(rk_fb->ion_client, area_data->ion_handle);
1033 memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1036 static void rk_fb_update_driver(struct rk_lcdc_win *win,struct rk_fb_reg_win_data *reg_win_data)
1039 //struct rk_lcdc_win *win;
1040 //win = dev_drv->win[reg_win_data->win_id];
1041 win->area_num = reg_win_data->area_num;
1042 win->format = reg_win_data->data_format;
1043 win->id = reg_win_data->win_id;
1044 win->z_order = reg_win_data->z_order;
1047 for(i=0;i<win->area_num;i++)
1049 printk("i=%d:area[%d]=%x,reg_area_data[%d]=%x,mem_start=%x\n",
1050 i,i,&win->area[i],i,®_win_data->reg_area_data[i],reg_win_data->reg_area_data[i].smem_start);
1052 win->area[i].smem_start = reg_win_data->reg_area_data[i].smem_start;
1053 win->area[i].cbr_start = reg_win_data->reg_area_data[i].cbr_start;
1054 win->area[i].xpos = reg_win_data->reg_area_data[i].xpos;
1055 win->area[i].ypos = reg_win_data->reg_area_data[i].ypos;
1056 win->area[i].xsize = reg_win_data->reg_area_data[i].xsize;
1057 win->area[i].ysize = reg_win_data->reg_area_data[i].ysize;
1058 win->area[i].xact = reg_win_data->reg_area_data[i].xact;
1059 win->area[i].yact = reg_win_data->reg_area_data[i].yact;
1060 win->area[i].xvir = reg_win_data->reg_area_data[i].xvir;
1061 win->area[i].yvir = reg_win_data->reg_area_data[i].yvir;
1062 win->area[i].y_offset = reg_win_data->reg_area_data[i].y_offset;
1063 win->area[i].c_offset = reg_win_data->reg_area_data[i].c_offset;
1064 win->area[i].state = 1;
1067 if(reg_win_data->reg_area_data[0].smem_start > 0){
1069 win->area_num = reg_win_data->area_num;
1070 win->format = reg_win_data->data_format;
1071 win->id = reg_win_data->win_id;
1072 win->z_order = reg_win_data->z_order;
1073 win->area[0].uv_vir_stride = reg_win_data->reg_area_data[0].uv_vir_stride;
1074 win->area[0].cbr_start = reg_win_data->reg_area_data[0].cbr_start;
1075 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1076 win->alpha_en = reg_win_data->alpha_en;
1077 win->alpha_mode = reg_win_data->alpha_mode;
1078 win->g_alpha_val = reg_win_data->g_alpha_val;
1079 for(i=0;i<RK_WIN_MAX_AREA;i++)
1081 if(reg_win_data->reg_area_data[i].smem_start > 0){
1082 win->area[i].smem_start = reg_win_data->reg_area_data[i].smem_start;
1083 win->area[i].xpos = reg_win_data->reg_area_data[i].xpos;
1084 win->area[i].ypos = reg_win_data->reg_area_data[i].ypos;
1085 win->area[i].xsize = reg_win_data->reg_area_data[i].xsize;
1086 win->area[i].ysize = reg_win_data->reg_area_data[i].ysize;
1087 win->area[i].xact = reg_win_data->reg_area_data[i].xact;
1088 win->area[i].yact = reg_win_data->reg_area_data[i].yact;
1089 win->area[i].xvir = reg_win_data->reg_area_data[i].xvir;
1090 win->area[i].yvir = reg_win_data->reg_area_data[i].yvir;
1091 win->area[i].y_offset = reg_win_data->reg_area_data[i].y_offset;
1092 win->area[i].y_vir_stride = reg_win_data->reg_area_data[i].y_vir_stride;
1093 win->area[i].state = 1;
1095 win->area[i].state = 0;
1106 static void rk_fb_update_reg(struct rk_lcdc_driver * dev_drv,struct rk_fb_reg_data *regs)
1109 struct rk_lcdc_win *win;
1110 ktime_t timestamp = dev_drv->vsync_info.timestamp;
1111 //struct rk_fb_reg_win_data old_reg_win_data[RK30_MAX_LAYER_SUPPORT];
1113 for(i=0;i<dev_drv->lcdc_win_num;i++){
1114 //old_reg_win_data[i]= regs->reg_win_data[i];
1115 win = dev_drv->win[i];
1116 for(j=0;j<regs->win_num;j++){
1117 if(i == regs->reg_win_data[j].win_id)
1120 if(j<regs->win_num){
1121 rk_fb_update_driver(win,®s->reg_win_data[j]);
1129 printk("win[%d]:drv_win_state=%d\n",i,dev_drv->win[i]->state);
1131 printk("area[%d]:state=%d,mem_addr=%x\n",
1132 i,dev_drv->win[i]->area[j].state,dev_drv->win[i]->area[j].smem_start);
1136 dev_drv->atv_layer_cnt = regs->win_num;
1137 dev_drv->cur_screen->post_xsize = regs->post_cfg.xsize;
1138 dev_drv->cur_screen->post_ysize = regs->post_cfg.ysize;
1139 dev_drv->cur_screen->post_dsp_stx = regs->post_cfg.xpos;
1140 dev_drv->cur_screen->post_dsp_sty = regs->post_cfg.ypos;
1141 dev_drv->ops->set_par(dev_drv,0);
1143 ret = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1144 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp),msecs_to_jiffies(dev_drv->cur_screen->ft+5));
1146 sw_sync_timeline_inc(dev_drv->timeline, 1);
1148 for(i=0;i<regs->win_num;i++){
1149 rk_fb_free_dma_buf(dev_drv->dev,®s->reg_win_data[i]);
1153 static void rk_fb_update_regs_handler(struct kthread_work *work)
1155 struct rk_lcdc_driver * dev_drv =
1156 container_of(work, struct rk_lcdc_driver, update_regs_work);
1157 struct rk_fb_reg_data *data, *next;
1158 //struct list_head saved_list;
1159 mutex_lock(&dev_drv->update_regs_list_lock);
1160 saved_list = dev_drv->update_regs_list;
1161 list_replace_init(&dev_drv->update_regs_list, &saved_list);
1162 mutex_unlock(&dev_drv->update_regs_list_lock);
1164 list_for_each_entry_safe(data, next, &saved_list, list) {
1165 rk_fb_update_reg(dev_drv,data);
1166 list_del(&data->list);
1171 static int rk_fb_set_win_buffer(struct fb_info *info,
1172 struct rk_fb_win_par *win_par,struct rk_fb_reg_win_data *reg_win_data)
1174 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1175 //struct fb_var_screeninfo *var = &info->var;
1176 struct fb_fix_screeninfo *fix = &info->fix;
1177 struct rk_lcdc_driver * dev_drv = (struct rk_lcdc_driver * )info->par;
1178 struct rk_screen *screen = dev_drv->cur_screen;
1180 int i,j,ion_fd,acq_fence_fd;
1182 u32 xoffset,yoffset;
1184 struct ion_handle *hdl;
1190 u32 stride,uv_stride;
1193 u32 stride_128bit_1;
1194 u32 stride_128bit_2;
1195 u16 uv_x_off,uv_y_off,uv_y_act,dsp_height;
1197 u8 ppixel_a=0,global_a=0;
1199 struct dma_buf *buf;
1201 ion_phys_addr_t phy_addr;
1203 reg_win_data->area_num = 0;
1204 if(win_par->area_par[0].phy_addr == 0){
1205 for(i=0;i<RK_WIN_MAX_AREA;i++){
1206 ion_fd = win_par->area_par[i].ion_fd;
1208 reg_win_data->area_num++;
1210 if(ion_fd == win_par->area_par[j].ion_fd){
1211 printk("region[%d] fd is same to region[%d]:fd=%d",
1217 hdl = ion_import_dma_buf(rk_fb->ion_client, ion_fd);
1218 reg_win_data->reg_area_data[i].ion_handle = hdl;
1220 ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
1221 reg_win_data->reg_area_data[i].smem_start = phy_addr;
1223 buf = ion_share_dma_buf(rk_fb->ion_client, hdl);
1224 if (IS_ERR_OR_NULL(buf)) {
1225 dev_err(info->dev, "ion_share_dma_buf() failed\n");
1226 goto err_share_dma_buf;
1228 rk_fb_map_ion_handle(info,®_win_data->reg_area_data[i],hdl,buf);
1229 reg_win_data->reg_area_data[i].smem_start =
1230 reg_win_data->reg_area_data[i].dma_addr;
1232 reg_win_data->area_buf_num++;
1233 reg_win_data->reg_area_data[i].index_buf = 1;
1235 reg_win_data->reg_area_data[i].smem_start =
1236 reg_win_data->reg_area_data[j].smem_start;
1240 printk("i=%d,ion_fd=%d,addr=0x%x,area_num=%d,area_buf_num=%d\n",
1241 i,ion_fd,reg_win_data->reg_area_data[i].smem_start,
1242 reg_win_data->area_num,reg_win_data->area_buf_num);
1246 reg_win_data->reg_area_data[0].smem_start =
1247 win_par->area_par[0].phy_addr;
1248 reg_win_data->area_num = 1;
1251 if(reg_win_data->area_num == 0){
1255 for(i=0;i<reg_win_data->area_num;i++){
1256 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
1257 index_buf = reg_win_data->reg_area_data[i].index_buf;
1258 if((acq_fence_fd > 0)&&(index_buf == 1)){
1259 reg_win_data->reg_area_data[i].acq_fence =
1260 sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
1263 fb_data_fmt = rk_fb_data_fmt(win_par->data_format,0);
1264 reg_win_data->data_format = fb_data_fmt;
1265 pixel_width = rk_fb_pixel_width(fb_data_fmt);
1267 ppixel_a = ((fb_data_fmt == ARGB888)||(fb_data_fmt == ABGR888)) ? 1:0;
1268 global_a = (win_par->g_alpha_val == 0) ? 0:1;
1269 reg_win_data->alpha_en = ppixel_a | global_a;
1271 reg_win_data->z_order = win_par->z_order;
1272 reg_win_data->win_id = win_par->win_id;
1274 for(i=0;i<reg_win_data->area_num;i++){
1275 dsp_height = reg_win_data->reg_area_data[i].ysize;
1276 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;//visiable pos in panel
1277 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
1279 reg_win_data->reg_area_data[i].xsize= win_par->area_par[i].xsize;//realy size in panel
1280 reg_win_data->reg_area_data[i].ysize= win_par->area_par[i].ysize;
1282 reg_win_data->reg_area_data[i].xact= win_par->area_par[i].xact;//realy size in panel
1283 reg_win_data->reg_area_data[i].yact= win_par->area_par[i].yact;
1285 xoffset = win_par->area_par[i].x_offset;//buf offset
1286 yoffset = win_par->area_par[i].y_offset;
1287 xvir = win_par->area_par[i].xvir;
1288 reg_win_data->reg_area_data[i].xvir = xvir;
1289 yvir = win_par->area_par[i].yvir;
1290 reg_win_data->reg_area_data[i].yvir = yvir;
1292 printk("i=%d,xpos=%d,ypos=%d,xsize=%d,ysize=%d,xact=%d,yact=%d,x_off=%d,y_off=%d,xvir=%d,yvir=%d\n",
1293 i,reg_win_data->reg_area_data[i].xpos,reg_win_data->reg_area_data[i].ypos,reg_win_data->reg_area_data[i].xsize,reg_win_data->reg_area_data[i].ysize,
1294 reg_win_data->reg_area_data[i].xact,reg_win_data->reg_area_data[i].yact,xoffset,yoffset,xvir,yvir);
1297 vir_width_bit = pixel_width * xvir;
1298 stride_128bit_1 = ((vir_width_bit + 127) & (~127))/8; //pixel_width = byte_num *8
1299 stride_128bit_2 = ((vir_width_bit*2 + 127) & (~127))/8; //pixel_width = byte_num *8
1300 stride_32bit_1 = ((vir_width_bit + 31 ) & (~31 ))/8; //pixel_width = byte_num *8
1301 stride_32bit_2 = ((vir_width_bit*2 + 31 ) & (~31 ))/8; //pixel_width = byte_num *8
1303 stride = stride_32bit_1;//default rgb
1304 fix->line_length = stride;
1305 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
1306 // x y mirror ,jump line
1307 //reg_win_data->reg_area_data[i].y_offset = yoffset*stride+xoffset*pixel_width/8;
1308 if (screen->y_mirror == 1) {
1309 if (screen->interlace == 1) {
1310 reg_win_data->reg_area_data[i].y_offset =
1312 ((reg_win_data->reg_area_data[i].yact-1)*2+1)*stride +
1313 xoffset*pixel_width/8;
1315 reg_win_data->reg_area_data[i].y_offset =
1317 (reg_win_data->reg_area_data[i].yact-1)*stride +
1318 xoffset*pixel_width/8;
1321 if (screen->interlace == 1) {
1322 reg_win_data->reg_area_data[i].y_offset =
1323 yoffset*stride*2 + xoffset*pixel_width/8;
1325 reg_win_data->reg_area_data[i].y_offset =
1326 yoffset*stride + xoffset*pixel_width/8;
1331 switch (fb_data_fmt) {
1334 stride = stride_32bit_1;
1335 uv_stride = stride_32bit_1>> 1 ;//
1336 uv_x_off = xoffset >> 1 ;//
1337 uv_y_off = yoffset;//0
1338 fix->line_length = stride;
1339 uv_y_act = dsp_height>>1;
1343 stride = stride_32bit_1;
1344 uv_stride = stride_32bit_1;
1346 uv_y_off = yoffset >> 1;
1347 fix->line_length = stride;
1348 uv_y_act = dsp_height>>1;
1352 stride = stride_32bit_1;
1353 uv_stride = stride_32bit_2;
1354 uv_x_off = xoffset*2;
1356 fix->line_length = stride<<2;
1357 uv_y_act = dsp_height;
1362 if(is_pic_yuv == 1){
1363 reg_win_data->reg_area_data[0].cbr_start =
1364 reg_win_data->reg_area_data[0].smem_start + xvir*yvir;
1365 reg_win_data->reg_area_data[0].uv_vir_stride =
1367 if(screen->y_mirror == 1){
1368 if(screen->interlace == 1){
1369 reg_win_data->reg_area_data[0].c_offset =
1370 uv_y_off*uv_stride*2 +
1371 ((uv_y_act-1)*2+1)*uv_stride +
1372 uv_x_off*pixel_width/8;
1374 reg_win_data->reg_area_data[0].c_offset =
1375 uv_y_off*uv_stride +
1376 (uv_y_act - 1)*uv_stride +
1377 uv_x_off*pixel_width/8;
1380 if(screen->interlace == 1){
1381 reg_win_data->reg_area_data[0].c_offset =
1382 uv_y_off*uv_stride*2+uv_x_off*pixel_width/8;
1384 reg_win_data->reg_area_data[0].c_offset =
1385 uv_y_off*uv_stride+uv_x_off*pixel_width/8;
1392 ion_free(rk_fb->ion_client, hdl);
1397 static int rk_fb_set_win_config(struct fb_info *info,
1398 struct rk_fb_win_cfg_data *win_data)
1400 //struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1401 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1402 struct rk_fb_reg_data *regs;
1403 struct rk_fb_reg_win_data *reg_win_data;
1405 struct sync_fence *release_fence[RK_MAX_BUF_NUM];
1406 struct sync_fence *retire_fence;
1407 struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
1408 struct sync_pt *retire_sync_pt;
1410 char fence_name[20];
1414 //mutex_lock(&dev_drv->output_lock);
1415 regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
1417 printk("could not allocate rk_fb_reg_data\n");
1422 regs->post_cfg.xpos = win_data->post_cfg.xpos;
1423 regs->post_cfg.ypos = win_data->post_cfg.ypos;
1424 regs->post_cfg.xsize = win_data->post_cfg.xsize;
1425 regs->post_cfg.ysize = win_data->post_cfg.xsize;
1426 for (i=0; i<dev_drv->lcdc_win_num; i++) {
1427 if(win_data->win_par[i].win_id < dev_drv->lcdc_win_num){
1428 rk_fb_set_win_buffer(info,&win_data->win_par[i],®s->reg_win_data[j]);
1429 if(regs->reg_win_data[j].area_num > 0){
1431 regs->buf_num += regs->reg_win_data[j].area_buf_num;
1435 printk("error:win_id bigger than lcdc_win_num\n");
1436 printk("i=%d,win_id=%d\n",i,win_data->win_par[i].win_id);
1439 for(i=0; i<regs->win_num; i++){
1440 reg_win_data = ®s->reg_win_data[i];
1441 for(j=0;j<RK_WIN_MAX_AREA;j++){
1442 if(reg_win_data->reg_area_data[j].acq_fence){
1443 printk("acq_fence wait!!!!!\n");
1444 rk_fd_fence_wait(dev_drv,
1445 reg_win_data->reg_area_data[j].acq_fence);
1450 mutex_lock(&dev_drv->output_lock);
1451 if(!(dev_drv->suspend_flag == 0)){
1452 rk_fb_update_reg(dev_drv,regs);
1453 printk("suspend_flag == 0\n");
1456 mutex_lock(&dev_drv->update_regs_list_lock);
1457 dev_drv->timeline_max++;
1459 for(i=0;i<RK_MAX_BUF_NUM;i++){
1460 if(i<regs->buf_num){
1461 sprintf(fence_name,"fence%d",i);
1462 win_data->rel_fence_fd[i] = get_unused_fd();
1463 if (win_data->rel_fence_fd[i] < 0){
1464 printk("rel_fence_fd=%d\n",win_data->rel_fence_fd[i]);
1467 release_sync_pt[i] = sw_sync_pt_create(dev_drv->timeline,
1468 dev_drv->timeline_max);
1469 release_fence[i] = sync_fence_create(fence_name, release_sync_pt[i]);
1470 sync_fence_install(release_fence[i], win_data->rel_fence_fd[i]);
1472 win_data->rel_fence_fd[i] = -1;
1476 win_data->ret_fence_fd = get_unused_fd();
1477 if (win_data->ret_fence_fd < 0){
1478 printk("ret_fence_fd=%d\n",win_data->ret_fence_fd);
1481 retire_sync_pt = sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
1482 retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
1483 sync_fence_install(retire_fence, win_data->ret_fence_fd);
1485 for(i=0;i<RK_MAX_BUF_NUM;i++){
1486 win_data->rel_fence_fd[i] = -1;
1488 win_data->ret_fence_fd = -1;
1490 if(dev_drv->wait_fs == 0){
1491 list_add_tail(®s->list,&dev_drv->update_regs_list);
1492 mutex_unlock(&dev_drv->update_regs_list_lock);
1493 queue_kthread_work(&dev_drv->update_regs_worker,
1494 &dev_drv->update_regs_work);
1496 mutex_unlock(&dev_drv->update_regs_list_lock);
1497 rk_fb_update_reg(dev_drv,regs);
1501 mutex_unlock(&dev_drv->output_lock);
1505 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
1507 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1508 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1509 struct fb_fix_screeninfo *fix = &info->fix;
1510 int fb_id = 0, extend_win_id = 0;
1511 struct fb_info *extend_info = NULL;
1512 struct rk_lcdc_driver *extend_dev_drv = NULL;
1513 struct rk_lcdc_win *extend_win = NULL;
1514 struct rk_lcdc_win *win;
1515 int enable; /* enable fb:1 enable;0 disable*/
1516 int ovl; /*overlay:0 win1 on the top of win0;1,win0 on the top of win1*/
1517 int num_buf; /*buffer_number*/
1519 struct rk_fb_win_cfg_data win_data;
1520 unsigned int dsp_addr[4];
1523 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1525 void __user *argp = (void __user *)arg;
1526 win = dev_drv->win[win_id];
1527 if (rk_fb->disp_mode == DUAL) {
1528 fb_id = get_extend_fb_id(info);
1529 extend_info = rk_fb->fb[(rk_fb->num_fb>>1) + fb_id];
1530 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
1531 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
1532 extend_info->fix.id);
1533 extend_win = extend_dev_drv->win[extend_win_id];
1537 case RK_FBIOSET_YUV_ADDR:
1540 if (copy_from_user(yuv_phy, argp, 8))
1542 fix->smem_start = yuv_phy[0];
1543 fix->mmio_start = yuv_phy[1];
1546 case RK_FBIOSET_ENABLE:
1547 if (copy_from_user(&enable, argp, sizeof(enable)))
1549 dev_drv->ops->open(dev_drv, win_id, enable);
1551 case RK_FBIOGET_ENABLE:
1552 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
1553 if (copy_to_user(argp, &enable, sizeof(enable)))
1556 case RK_FBIOSET_OVERLAY_STATE:
1557 if (copy_from_user(&ovl, argp, sizeof(ovl)))
1559 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
1561 case RK_FBIOGET_OVERLAY_STATE:
1562 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
1563 if (copy_to_user(argp, &ovl, sizeof(ovl)))
1566 case RK_FBIOPUT_NUM_BUFFERS:
1567 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
1569 dev_drv->num_buf = num_buf;
1571 case RK_FBIOSET_VSYNC_ENABLE:
1572 if (copy_from_user(&enable, argp, sizeof(enable)))
1574 dev_drv->vsync_info.active = enable;
1577 case RK_FBIOGET_DSP_ADDR:
1578 dev_drv->ops->get_dsp_addr(dev_drv,dsp_addr);
1579 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
1582 case RK_FBIOGET_LIST_STAT:
1583 list_stat = rk_fb_get_list_stat(dev_drv);
1584 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
1589 #if defined(CONFIG_ION_ROCKCHIP)
1590 case RK_FBIOSET_DMABUF_FD:
1593 struct ion_handle *hdl;
1594 ion_phys_addr_t phy_addr;
1596 if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
1598 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
1599 ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
1600 fix->smem_start = phy_addr;
1603 case RK_FBIOGET_DMABUF_FD:
1605 int fd = ion_share_dma_buf_fd(rk_fb->ion_client, win->area[0].ion_hdl);
1607 dev_err(info->dev, "ion_share_dma_buf_fd failed\n");
1610 if (copy_to_user(argp, &fd, sizeof(fd)))
1615 case RK_FBIOSET_CONFIG_DONE:
1616 if(copy_from_user(&win_data,
1617 (struct rk_fb_win_cfg_data __user *)argp,
1623 dev_drv->wait_fs = win_data.wait_fs;
1624 rk_fb_set_win_config(info,&win_data);
1626 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
1628 sizeof(win_data))) {
1632 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
1634 if (rk_fb->disp_mode == DUAL) {
1635 if (extend_win->state && (hdmi_switch_complete)) {
1636 if (rk_fb->num_fb >= 2) {
1637 if (extend_dev_drv->ops->lcdc_reg_update)
1638 extend_dev_drv->ops->lcdc_reg_update(extend_dev_drv);
1644 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
1651 static int rk_fb_blank(int blank_mode, struct fb_info *info)
1653 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1654 struct fb_fix_screeninfo *fix = &info->fix;
1656 #if defined(CONFIG_RK_HDMI)
1657 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1660 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
1663 #if defined(CONFIG_RK_HDMI)
1664 if ((rk_fb->disp_mode == ONE_DUAL) && (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
1665 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
1669 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
1674 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
1677 if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
1678 (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
1679 ((16 != var->bits_per_pixel) && (32 != var->bits_per_pixel))) {
1680 dev_err(info->dev, "%s check var fail 1:\n"
1681 "xres_vir:%d>>yres_vir:%d\n"
1682 "xres:%d>>yres:%d\n"
1683 "bits_per_pixel:%d\n",
1689 var->bits_per_pixel);
1693 if (((var->xoffset+var->xres) > var->xres_virtual) ||
1694 ((var->yoffset+var->yres) > (var->yres_virtual))) {
1695 dev_err(info->dev, "%s check_var fail 2:\n"
1696 "xoffset:%d>>xres:%d>>xres_vir:%d\n"
1697 "yoffset:%d>>yres:%d>>yres_vir:%d\n",
1711 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
1712 size_t count, loff_t *ppos)
1714 unsigned long p = *ppos;
1717 int c, cnt = 0, err = 0;
1718 unsigned long total_size;
1719 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1720 struct rk_lcdc_win *win = NULL;
1724 list_empty = rk_fb_get_list_stat(dev_drv);
1725 printk("list_empty=%d\n",list_empty);
1727 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1731 win = dev_drv->win[win_id];
1733 if (win->format == RGB565)
1734 total_size = win->area[0].xact*win->area[0].yact<<1; /*only read the current frame buffer*/
1736 total_size = win->area[0].xact*win->area[0].yact<<2;
1739 if (p >= total_size)
1742 if (count >= total_size)
1745 if (count + p > total_size)
1746 count = total_size - p;
1748 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count,
1753 src = (u8 __iomem *) (info->screen_base + p + win->area[0].y_offset);
1756 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
1758 fb_memcpy_fromfb(dst, src, c);
1762 if (copy_to_user(buf, buffer, c)) {
1774 return (err) ? err : cnt;
1777 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
1778 size_t count, loff_t *ppos)
1780 unsigned long p = *ppos;
1783 int c, cnt = 0, err = 0;
1784 unsigned long total_size;
1785 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1786 struct rk_lcdc_win *win = NULL;
1789 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1793 win = dev_drv->win[win_id];
1795 if (win->format == RGB565)
1796 total_size = win->area[0].xact*win->area[0].yact<<1; /*write the current frame buffer*/
1798 total_size = win->area[0].xact*win->area[0].yact<<2;
1803 if (count > total_size) {
1808 if (count + p > total_size) {
1812 count = total_size - p;
1815 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count,
1820 dst = (u8 __iomem *) (info->screen_base + p + win->area[0].y_offset);
1823 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
1826 if (copy_from_user(src, buf, c)) {
1831 fb_memcpy_tofb(dst, src, c);
1842 return (cnt) ? cnt : err;
1846 static int rk_fb_set_par(struct fb_info *info)
1848 struct fb_var_screeninfo *var = &info->var;
1849 struct fb_fix_screeninfo *fix = &info->fix;
1850 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1851 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1852 int fb_id, extend_win_id = 0;
1853 struct fb_info *extend_info = NULL;
1854 struct rk_lcdc_driver *extend_dev_drv = NULL;
1855 struct rk_lcdc_win *extend_win = NULL;
1856 struct rk_lcdc_win *win = NULL;
1857 struct rk_screen *screen = dev_drv->cur_screen;
1859 u32 cblen = 0, crlen = 0;
1860 u16 xsize = 0, ysize = 0; /*winx display window height/width --->LCDC_WINx_DSP_INFO*/
1861 u32 xoffset = var->xoffset; /* offset from virtual to visible*/
1862 u32 yoffset = var->yoffset;
1863 u16 xpos = (var->nonstd>>8) & 0xfff; /*visiable pos in panel*/
1864 u16 ypos = (var->nonstd>>20) & 0xfff;
1865 u32 xvir = var->xres_virtual;
1866 u32 yvir = var->yres_virtual;
1867 u8 data_format = var->nonstd&0xff;
1871 u32 stride,uv_stride;
1874 u32 stride_128bit_1;
1875 u32 stride_128bit_2;
1876 u16 uv_x_off,uv_y_off,dsp_height,uv_y_act;
1879 var->pixclock = dev_drv->pixclock;
1880 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1884 win = dev_drv->win[win_id];
1885 if (rk_fb->disp_mode == DUAL) {
1886 fb_id = get_extend_fb_id(info);
1887 extend_info = rk_fb->fb[(rk_fb->num_fb>>1) + fb_id];
1888 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
1889 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
1890 extend_info->fix.id);
1891 extend_win = extend_dev_drv->win[extend_win_id];
1893 if (var->grayscale>>8) { /*if the application has specific the horizontal and vertical display size*/
1894 xsize = (var->grayscale>>8) & 0xfff;
1895 ysize = (var->grayscale>>20) & 0xfff;
1896 } else { /*ohterwise full screen display*/
1897 xsize = screen->mode.xres;
1898 ysize = screen->mode.yres;
1901 /*this is for device like rk2928 ,whic have one lcdc but two display outputs*/
1902 /*save winameter set by android*/
1903 if (rk_fb->disp_mode != DUAL) {
1904 if (screen->screen_id == 0) {
1906 dev_drv->screen0->xsize = xsize;
1907 dev_drv->screen0->ysize = ysize;
1908 dev_drv->screen0->xpos = xpos;
1909 dev_drv->screen0->ypos = ypos;
1911 xsize = dev_drv->screen1->xsize;
1912 ysize = dev_drv->screen1->ysize;
1913 xpos = dev_drv->screen1->xpos;
1914 ypos = dev_drv->screen1->ypos;
1918 fb_data_fmt = rk_fb_data_fmt(data_format,var->bits_per_pixel);
1919 pixel_width = rk_fb_pixel_width(fb_data_fmt);
1920 vir_width_bit = pixel_width * xvir;
1921 stride_128bit_1 = ((vir_width_bit + 127) & (~127))/8; //pixel_width = byte_num *8
1922 stride_128bit_2 = ((vir_width_bit*2 + 127) & (~127))/8; //pixel_width = byte_num *8
1923 stride_32bit_1 = ((vir_width_bit + 31 ) & (~31 ))/8; //pixel_width = byte_num *8
1924 stride_32bit_2 = ((vir_width_bit*2 + 31 ) & (~31 ))/8; //pixel_width = byte_num *8
1926 stride = stride_32bit_1;//default rgb
1927 fix->line_length = stride;
1928 dsp_height = win->area[0].ysize;
1929 switch (fb_data_fmt){
1932 stride = stride_32bit_1;
1933 uv_stride = stride_32bit_1>> 1 ;//
1934 uv_x_off = xoffset >> 1 ;//
1935 uv_y_off = yoffset;//0
1936 fix->line_length = stride;
1937 cblen = crlen = (xvir*yvir)>>1;
1938 uv_y_act = dsp_height;
1942 stride = stride_32bit_1;
1943 uv_stride = stride_32bit_1;
1945 uv_y_off = yoffset >> 1;
1946 fix->line_length = stride;
1947 cblen = crlen = (xvir*yvir)>>2;
1948 uv_y_act = dsp_height>>1;
1952 stride = stride_32bit_1;
1953 uv_stride = stride_32bit_2;
1954 uv_x_off = xoffset*2;
1956 fix->line_length = stride<<2;
1957 cblen = crlen = (xvir*yvir);
1958 uv_y_act = dsp_height;
1964 // x y mirror ,jump line
1965 if (screen->y_mirror == 1) {
1966 if (screen->interlace == 1) {
1967 win->area[0].y_offset = yoffset*stride*2 +
1968 ((win->area[0].yact-1)*2+1)*stride +
1969 xoffset*pixel_width/8;
1971 win->area[0].y_offset = yoffset*stride +
1972 (win->area[0].yact-1)*stride +
1973 xoffset*pixel_width/8;
1976 if (screen->interlace == 1) {
1977 win->area[0].y_offset = yoffset*stride*2+xoffset*pixel_width/8;
1979 win->area[0].y_offset = yoffset*stride+xoffset*pixel_width/8;
1982 if (is_pic_yuv == 1) {
1983 if (screen->y_mirror == 1) {
1984 if (screen->interlace == 1) {
1985 win->area[0].c_offset = uv_y_off*uv_stride*2 +
1986 ((uv_y_act-1)*2+1)*uv_stride +
1987 uv_x_off*pixel_width/8;
1989 win->area[0].c_offset = uv_y_off*uv_stride +
1990 (uv_y_act - 1)*uv_stride +
1991 uv_x_off*pixel_width/8;
1994 if (screen->interlace == 1) {
1995 win->area[0].c_offset = uv_y_off*uv_stride*2+uv_x_off*pixel_width/8;
1997 win->area[0].c_offset = uv_y_off*uv_stride+uv_x_off*pixel_width/8;
2002 win->format = fb_data_fmt;
2003 win->area[0].y_vir_stride = stride>>2;
2004 win->area[0].uv_vir_stride = uv_stride>>2;
2005 win->area[0].xpos = xpos;
2006 win->area[0].ypos = ypos;
2007 win->area[0].xsize = xsize;
2008 win->area[0].ysize = ysize;
2010 win->area[0].smem_start = fix->smem_start;
2011 win->area[0].cbr_start = fix->smem_start+stride*yvir;//fix->mmio_start;
2012 win->area[0].xact = var->xres; /*winx active window height,is a wint of vir*/
2013 win->area[0].yact = var->yres;
2014 win->area[0].xvir = var->xres_virtual; /*virtual resolution stride --->LCDC_WINx_VIR*/
2015 win->area[0].yvir = var->yres_virtual;
2017 win->area[0].state=1;
2020 if (rk_fb->disp_mode == DUAL) {
2021 if (extend_win->state && (hdmi_switch_complete)) {
2022 if (info != extend_info) {
2023 if (win->area[0].xact < win->area[0].yact) {
2024 //extend_win->xact = win->area[0].yact;
2025 extend_win->area[0].xact = win->area[0].yact;
2026 extend_win->area[0].yact = win->area[0].xact;
2027 extend_win->area[0].xvir = win->area[0].yact;
2028 extend_info->var.xres = var->yres;
2029 extend_info->var.yres = var->xres;
2030 extend_info->var.xres_virtual = var->yres;
2032 extend_win->area[0].xact = win->area[0].xact;
2033 extend_win->area[0].yact = win->area[0].yact;
2034 extend_win->area[0].xvir = win->area[0].xvir;
2035 extend_info->var.xres = var->xres;
2036 extend_info->var.yres = var->yres;
2037 extend_info->var.xres_virtual = var->xres_virtual;
2039 extend_win->format = win->format;
2040 extend_info->var.nonstd &= 0xffffff00;
2041 extend_info->var.nonstd |= data_format;
2042 extend_dev_drv->ops->set_par(extend_dev_drv, extend_win_id);
2046 dev_drv->ops->set_par(dev_drv, win_id);
2051 static inline unsigned int chan_to_field(unsigned int chan,
2052 struct fb_bitfield *bf)
2055 chan >>= 16 - bf->length;
2056 return chan << bf->offset;
2059 static int fb_setcolreg(unsigned regno,
2060 unsigned red, unsigned green, unsigned blue,
2061 unsigned transp, struct fb_info *info)
2065 switch (info->fix.visual) {
2066 case FB_VISUAL_TRUECOLOR:
2067 /* true-colour, use pseudo-palette */
2069 u32 *pal = info->pseudo_palette;
2070 val = chan_to_field(red, &info->var.red);
2071 val |= chan_to_field(green, &info->var.green);
2072 val |= chan_to_field(blue, &info->var.blue);
2077 return -1; /* unknown type */
2083 static struct fb_ops fb_ops = {
2084 .owner = THIS_MODULE,
2085 .fb_open = rk_fb_open,
2086 .fb_release = rk_fb_close,
2087 .fb_check_var = rk_fb_check_var,
2088 .fb_set_par = rk_fb_set_par,
2089 .fb_blank = rk_fb_blank,
2090 .fb_ioctl = rk_fb_ioctl,
2091 .fb_pan_display = rk_pan_display,
2092 .fb_read = rk_fb_read,
2093 .fb_write = rk_fb_write,
2094 .fb_setcolreg = fb_setcolreg,
2095 .fb_fillrect = cfb_fillrect,
2096 .fb_copyarea = cfb_copyarea,
2097 .fb_imageblit = cfb_imageblit,
2102 static struct fb_var_screeninfo def_var = {
2103 #if defined(CONFIG_LOGO_LINUX_BMP)
2107 .transp = {0, 0, 0},
2108 .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
2113 .transp = {0, 0, 0},
2114 .nonstd = HAL_PIXEL_FORMAT_RGB_565, /*(ypos<<20+xpos<<8+format) format*/
2116 .grayscale = 0, /*(ysize<<20+xsize<<8)*/
2117 .activate = FB_ACTIVATE_NOW,
2119 .vmode = FB_VMODE_NONINTERLACED,
2122 static struct fb_fix_screeninfo def_fix = {
2123 .type = FB_TYPE_PACKED_PIXELS,
2128 .accel = FB_ACCEL_NONE,
2129 .visual = FB_VISUAL_TRUECOLOR,
2134 static int rk_fb_wait_for_vsync_thread(void *data)
2136 struct rk_lcdc_driver *dev_drv = data;
2137 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2138 struct fb_info *fbi = rk_fb->fb[0];
2140 while (!kthread_should_stop()) {
2141 ktime_t timestamp = dev_drv->vsync_info.timestamp;
2142 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
2143 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
2144 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
2147 sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
2153 static ssize_t rk_fb_vsync_show(struct device *dev,
2154 struct device_attribute *attr, char *buf)
2156 struct fb_info *fbi = dev_get_drvdata(dev);
2157 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
2158 return scnprintf(buf, PAGE_SIZE, "%llu\n",
2159 ktime_to_ns(dev_drv->vsync_info.timestamp));
2162 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
2165 /*****************************************************************
2166 this two function is for other module that in the kernel which
2167 need show image directly through fb
2168 fb_id:we have 4 fb here,default we use fb0 for ui display
2169 *******************************************************************/
2170 struct fb_info *rk_get_fb(int fb_id)
2172 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
2173 struct fb_info *fb = inf->fb[fb_id];
2176 EXPORT_SYMBOL(rk_get_fb);
2178 void rk_direct_fb_show(struct fb_info *fbi)
2181 rk_pan_display(&fbi->var, fbi);
2183 EXPORT_SYMBOL(rk_direct_fb_show);
2186 static int set_xact_yact_for_hdmi(struct fb_var_screeninfo *pmy_var,
2187 struct fb_var_screeninfo *hdmi_var)
2189 if (pmy_var->xres < pmy_var->yres) { /*vertical lcd screen*/
2190 hdmi_var->xres = pmy_var->yres;
2191 hdmi_var->yres = pmy_var->xres;
2192 hdmi_var->xres_virtual = pmy_var->yres;
2194 hdmi_var->xres = pmy_var->xres;
2195 hdmi_var->yres = pmy_var->yres;
2196 hdmi_var->xres_virtual = pmy_var->xres_virtual;
2202 int rk_fb_dpi_open(bool open)
2204 struct rk_lcdc_driver *dev_drv = NULL;
2205 dev_drv = rk_get_prmry_lcdc_drv();
2206 dev_drv->ops->dpi_open(dev_drv, open);
2210 int rk_fb_dpi_win_sel(int win_id)
2212 struct rk_lcdc_driver *dev_drv = NULL;
2213 dev_drv = rk_get_prmry_lcdc_drv();
2214 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
2218 int rk_fb_dpi_status(void)
2221 struct rk_lcdc_driver *dev_drv = NULL;
2222 dev_drv = rk_get_prmry_lcdc_drv();
2223 ret = dev_drv->ops->dpi_status(dev_drv);
2228 /******************************************
2229 *function:this function will be called by hdmi,when
2231 *screen: the screen attached to hdmi
2232 *enable: 1,hdmi plug in,0,hdmi plug out
2233 *lcdc_id: the lcdc id the hdmi attached ,0 or 1
2234 ******************************************/
2235 int rk_fb_switch_screen(struct rk_screen *screen , int enable, int lcdc_id)
2237 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2238 struct fb_info *info = NULL;
2239 struct rk_lcdc_driver *dev_drv = NULL;
2240 struct fb_var_screeninfo *hdmi_var = NULL;
2241 struct fb_var_screeninfo *pmy_var = NULL; /*var for primary screen*/
2242 struct fb_info *pmy_info = NULL;
2243 struct fb_fix_screeninfo *pmy_fix = NULL;
2245 struct fb_fix_screeninfo *hdmi_fix = NULL;
2250 //if (rk_fb->disp_mode != DUAL)
2251 // rk29_backlight_set(0);
2253 sprintf(name, "lcdc%d", lcdc_id);
2255 if (rk_fb->disp_mode != DUAL) {
2256 dev_drv = rk_fb->lcdc_dev_drv[0];
2259 for (i = 0; i < rk_fb->num_lcdc; i++) {
2260 if (rk_fb->lcdc_dev_drv[i]->prop == EXTEND) {
2261 dev_drv = rk_fb->lcdc_dev_drv[i];
2266 if (i == rk_fb->num_lcdc) {
2267 printk(KERN_ERR "%s driver not found!", name);
2271 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from", dev_drv->id);
2273 if (rk_fb->num_lcdc == 1)
2274 info = rk_fb->fb[0];
2275 else if (rk_fb->num_lcdc == 2)
2276 info = rk_fb->fb[dev_drv->lcdc_win_num]; /*the main fb of lcdc1*/
2278 if (dev_drv->screen1) { /*device like rk2928 ,have only one lcdc but two outputs*/
2280 memcpy(dev_drv->screen1, screen, sizeof(struct rk_screen));
2281 dev_drv->screen1->lcdc_id = 0; /*connect screen1 to output interface 0*/
2282 dev_drv->screen1->screen_id = 1;
2283 dev_drv->screen0->lcdc_id = 1; /*connect screen0 to output interface 1*/
2284 dev_drv->cur_screen = dev_drv->screen1;
2285 dev_drv->screen0->ext_screen = dev_drv->screen1;
2286 if (dev_drv->screen0->sscreen_get) {
2287 dev_drv->screen0->sscreen_get(dev_drv->screen0,
2288 dev_drv->cur_screen->hdmi_resolution);
2293 dev_drv->screen1->lcdc_id = 1; /*connect screen1 to output interface 1*/
2294 dev_drv->screen0->lcdc_id = 0; /*connect screen0 to output interface 0*/
2295 dev_drv->cur_screen = dev_drv->screen0;
2296 dev_drv->screen_ctr_info->set_screen_info(dev_drv->cur_screen,
2297 dev_drv->screen_ctr_info->lcd_info);
2301 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
2305 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2307 if (!enable && !dev_drv->screen1) { /*only double lcdc device need to close*/
2308 if (dev_drv->win[win_id]->state)
2309 dev_drv->ops->open(dev_drv, win_id, enable); /*disable the win which attached to this fb*/
2310 hdmi_switch_complete = 0;
2315 hdmi_var = &info->var;
2316 hdmi_fix = &info->fix;
2317 if (rk_fb->disp_mode == DUAL) {
2318 if (likely(rk_fb->num_lcdc == 2)) {
2319 pmy_var = &rk_fb->fb[0]->var;
2320 pmy_fix = &rk_fb->fb[0]->fix;
2321 set_xact_yact_for_hdmi(pmy_var, hdmi_var);
2322 hdmi_var->nonstd &= 0xffffff00;
2323 hdmi_var->nonstd |= (pmy_var->nonstd & 0xff); /*use the same format as primary screen*/
2325 printk(KERN_WARNING "%s>>only one lcdc,dual display no supported!", __func__);
2328 hdmi_var->grayscale &= 0xff;
2329 hdmi_var->grayscale |= (dev_drv->cur_screen->mode.xres<<8) + (dev_drv->cur_screen->mode.yres<<20);
2330 if (dev_drv->screen1) { /*device like rk2928,whic have one lcdc but two outputs*/
2331 /* info->var.nonstd &= 0xff;
2332 info->var.nonstd |= (dev_drv->cur_screen->mode.xpos<<8) + (dev_drv->cur_screen->mode.ypos<<20);
2333 info->var.grayscale &= 0xff;
2334 info->var.grayscale |= (dev_drv->cur_screen->mode.x_res<<8) + (dev_drv->cur_screen->mode.y_res<<20);*/
2335 dev_drv->screen1->xsize = dev_drv->cur_screen->mode.xres;
2336 dev_drv->screen1->ysize = dev_drv->cur_screen->mode.yres;
2337 dev_drv->screen1->xpos = 0;
2338 dev_drv->screen1->ypos = 0;
2341 ret = info->fbops->fb_open(info, 1);
2342 dev_drv->ops->load_screen(dev_drv, 1);
2343 ret = info->fbops->fb_set_par(info);
2344 if (dev_drv->ops->lcdc_hdmi_process)
2345 dev_drv->ops->lcdc_hdmi_process(dev_drv, enable);
2347 if (rk_fb->disp_mode == DUAL) {
2348 if (likely(rk_fb->num_lcdc == 2)) {
2349 pmy_info = rk_fb->fb[0];
2350 pmy_info->fbops->fb_pan_display(pmy_var, pmy_info);
2352 printk(KERN_WARNING "%s>>only one lcdc,dual display no supported!", __func__);
2355 info->fbops->fb_pan_display(hdmi_var, info);
2357 info->fbops->fb_ioctl(info, RK_FBIOSET_CONFIG_DONE, 0);
2358 if (dev_drv->screen1) {
2359 if (dev_drv->screen0->sscreen_set) {
2360 dev_drv->ops->blank(dev_drv, 0, FB_BLANK_NORMAL);
2362 dev_drv->screen0->sscreen_set(dev_drv->screen0, enable);
2363 dev_drv->ops->blank(dev_drv, 0, FB_BLANK_UNBLANK);
2367 //if (rk_fb->disp_mode != DUAL)
2368 // rk29_backlight_set(1);
2369 hdmi_switch_complete = enable;
2377 /******************************************
2378 function:this function current only called by hdmi for
2380 scale_x: scale rate of x resolution
2381 scale_y: scale rate of y resolution
2382 lcdc_id: the lcdc id the hdmi attached ,0 or 1
2383 ******************************************/
2385 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
2387 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
2388 struct fb_info *info = NULL;
2389 struct fb_var_screeninfo *var = NULL;
2390 struct rk_lcdc_driver *dev_drv = NULL;
2391 u16 screen_x, screen_y;
2396 sprintf(name, "lcdc%d", lcdc_id);
2398 #if defined(CONFIG_ONE_LCDC_DUAL_OUTPUT_INF)
2399 dev_drv = inf->lcdc_dev_drv[0];
2401 for (i = 0; i < inf->num_lcdc; i++) {
2402 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
2403 dev_drv = inf->lcdc_dev_drv[i];
2408 if (i == inf->num_lcdc) {
2409 printk(KERN_ERR "%s driver not found!", name);
2414 if (inf->num_lcdc == 1)
2416 else if (inf->num_lcdc == 2)
2417 info = inf->fb[dev_drv->lcdc_win_num];
2420 screen_x = dev_drv->cur_screen->mode.xres;
2421 screen_y = dev_drv->cur_screen->mode.yres;
2423 #if defined(CONFIG_ONE_LCDC_DUAL_OUTPUT_INF) || defined(CONFIG_NO_DUAL_DISP)
2424 if (dev_drv->cur_screen->screen_id == 1) {
2425 dev_drv->cur_screen->xpos = (screen_x-screen_x*scale_x/100)>>1;
2426 dev_drv->cur_screen->ypos = (screen_y-screen_y*scale_y/100)>>1;
2427 dev_drv->cur_screen->xsize = screen_x*scale_x/100;
2428 dev_drv->cur_screen->ysize = screen_y*scale_y/100;
2432 xpos = (screen_x-screen_x*scale_x/100)>>1;
2433 ypos = (screen_y-screen_y*scale_y/100)>>1;
2434 xsize = screen_x*scale_x/100;
2435 ysize = screen_y*scale_y/100;
2436 var->nonstd &= 0xff;
2437 var->nonstd |= (xpos<<8) + (ypos<<20);
2438 var->grayscale &= 0xff;
2439 var->grayscale |= (xsize<<8) + (ysize<<20);
2442 info->fbops->fb_set_par(info);
2443 info->fbops->fb_ioctl(info, RK_FBIOSET_CONFIG_DONE, 0);
2449 static int rk_fb_alloc_buffer(struct fb_info *fbi, int fb_id)
2451 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2452 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
2453 struct rk_lcdc_win *win = NULL;
2456 unsigned long fb_mem_size;
2457 #if defined(CONFIG_ION_ROCKCHIP)
2458 struct ion_handle *handle;
2459 ion_phys_addr_t phy_addr;
2461 struct dma_buf *buf;
2463 dma_addr_t fb_mem_phys;
2468 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
2472 win = dev_drv->win[win_id];
2474 if (!strcmp(fbi->fix.id, "fb0")) {
2475 fb_mem_size = 3 * (fbi->var.xres * fbi->var.yres) << 2;
2476 fb_mem_size = ALIGN(fb_mem_size, SZ_1M);
2477 #if defined(CONFIG_ION_ROCKCHIP)
2478 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0, ION_HEAP(ION_CMA_HEAP_ID), 0);
2479 if (IS_ERR(handle)) {
2480 dev_err(fbi->device, "failed to ion_alloc:%ld\n",PTR_ERR(handle));
2483 win->area[0].ion_hdl = handle;
2484 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
2486 ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
2487 fbi->fix.smem_start = phy_addr;
2488 fbi->fix.smem_len = len;
2489 printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%x\n",phy_addr);
2491 buf = ion_share_dma_buf(rk_fb->ion_client, handle);
2492 if (IS_ERR_OR_NULL(buf)) {
2493 dev_err(fbi->device, "ion_share_dma_buf() failed\n");
2494 goto err_share_dma_buf;
2496 rk_fb_map_ion_handle(fbi,&dev_drv->reg_area_data,handle,buf);
2497 fbi->fix.smem_start = dev_drv->reg_area_data.dma_addr;
2498 fbi->fix.smem_len = buf->size;
2499 printk(KERN_INFO "alloc_buffer:kernel_vir_addr=0x%x,mmu_vir_addr=0x%x,len=0x%x\n",
2500 fbi->screen_base,fbi->fix.smem_start,fbi->fix.smem_len);
2505 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size, &fb_mem_phys,
2508 pr_err("%s: Failed to allocate framebuffer\n", __func__);
2511 fbi->fix.smem_len = fb_mem_size;
2512 fbi->fix.smem_start = fb_mem_phys;
2513 fbi->screen_base = fb_mem_virt;
2515 memset(fbi->screen_base, 0, fbi->fix.smem_len);
2516 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
2517 fbi->fix.smem_start, fbi->screen_base, fbi->fix.smem_len);
2519 #if defined(CONFIG_FB_ROTATE) || !defined(CONFIG_THREE_FB_BUFFER)
2520 res = platform_get_resource_byname(fb_pdev,
2521 IORESOURCE_MEM, "fb2 buf");
2523 dev_err(&fb_pdev->dev, "failed to get win0 memory \n");
2526 fbi->fix.smem_start = res->start;
2527 fbi->fix.smem_len = res->end - res->start + 1;
2528 mem = request_mem_region(res->start, resource_size(res),
2530 fbi->screen_base = ioremap(res->start, fbi->fix.smem_len);
2531 memset(fbi->screen_base, 0, fbi->fix.smem_len);
2532 #else /*three buffer no need to copy*/
2533 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
2534 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
2535 fbi->screen_base = rk_fb->fb[0]->screen_base;
2537 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
2538 fbi->fix.smem_start, fbi->screen_base, fbi->fix.smem_len);
2541 fbi->screen_size = fbi->fix.smem_len;
2542 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
2544 win = dev_drv->win[win_id];
2545 win->reserved = fbi->fix.smem_start;
2551 ion_free(rk_fb->ion_client, handle);
2556 static int rk_release_fb_buffer(struct fb_info *fbi)
2558 if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3")) /*buffer for fb1 and fb3 are alloc by android*/
2560 iounmap(fbi->screen_base);
2561 release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
2565 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv, struct rk_lcdc_win *def_win)
2568 int lcdc_win_num = dev_drv->lcdc_win_num;
2569 for (i = 0; i < lcdc_win_num; i++) {
2570 struct rk_lcdc_win *win = NULL;
2571 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
2573 dev_err(dev_drv->dev, "kzmalloc for win fail!");
2577 strcpy(win->name, def_win->name);
2578 win->id = def_win->id;
2579 win->support_3d = def_win->support_3d;
2580 dev_drv->win[i] = win;
2587 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
2588 struct rk_lcdc_win *def_win, int index)
2590 struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
2591 struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
2592 sizeof(struct rk_screen), GFP_KERNEL);
2594 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
2599 screen->screen_id = 0;
2600 screen->lcdc_id = dev_drv->id;
2601 dev_drv->screen0 = screen;
2602 dev_drv->cur_screen = screen;
2603 /* devie use one lcdc + rk61x scaler for dual display*/
2604 if (rk_fb->disp_mode == ONE_DUAL) {
2605 struct rk_screen *screen1 = devm_kzalloc(dev_drv->dev,
2606 sizeof(struct rk_screen), GFP_KERNEL);
2608 dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
2612 screen1->screen_id = 1;
2613 screen1->lcdc_id = 1;
2614 dev_drv->screen1 = screen1;
2616 sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
2617 init_lcdc_win(dev_drv, def_win);
2618 init_completion(&dev_drv->frame_done);
2619 spin_lock_init(&dev_drv->cpl_lock);
2620 mutex_init(&dev_drv->fb_win_id_mutex);
2621 dev_drv->ops->fb_win_remap(dev_drv, FB_DEFAULT_ORDER);
2622 dev_drv->first_frame = 1;
2623 rk_disp_pwr_ctr_parse_dt(dev_drv);
2624 if (dev_drv->prop == PRMRY)
2625 rk_fb_get_prmry_screen(screen);
2626 dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
2631 #ifdef CONFIG_LOGO_LINUX_BMP
2632 static struct linux_logo *bmp_logo;
2633 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
2635 bmp_logo = fb_find_logo(24);
2636 if (bmp_logo == NULL) {
2637 printk(KERN_INFO "%s error\n", __func__);
2643 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
2645 unsigned char *src = bmp_logo->data;
2646 unsigned char *dst = info->screen_base;
2648 unsigned int Needwidth = (*(src-24)<<8) | (*(src-23));
2649 unsigned int Needheight = (*(src-22)<<8) | (*(src-21));
2651 for (i = 0; i < Needheight; i++)
2652 memcpy(dst+info->var.xres*i*4,
2653 src+bmp_logo->width*i*4, Needwidth*4);
2658 /********************************
2659 *check if the primary lcdc has registerd,
2660 the primary lcdc mas register first
2661 *********************************/
2662 bool is_prmry_rk_lcdc_registered(void)
2664 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2665 if (rk_fb->lcdc_dev_drv[0])
2672 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
2673 struct rk_lcdc_win *win, int id)
2675 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2676 struct fb_info *fbi;
2677 int i = 0, ret = 0, index = 0;
2679 struct device *mmu_dev = NULL;
2681 if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
2684 for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
2685 if (!rk_fb->lcdc_dev_drv[i]) {
2686 rk_fb->lcdc_dev_drv[i] = dev_drv;
2687 rk_fb->lcdc_dev_drv[i]->id = id;
2694 init_lcdc_device_driver(rk_fb, win, index);
2695 dev_drv->fb_index_base = rk_fb->num_fb;
2696 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2697 fbi = framebuffer_alloc(0, &fb_pdev->dev);
2699 dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
2705 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
2706 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
2707 fbi->var.grayscale |= (fbi->var.xres<<8) + (fbi->var.yres<<20);
2708 #if defined(CONFIG_LOGO_LINUX_BMP)
2709 fbi->var.bits_per_pixel = 32;
2711 fbi->var.bits_per_pixel = 16;
2713 fbi->fix.line_length = (fbi->var.xres)*(fbi->var.bits_per_pixel>>3);
2714 fbi->var.width = dev_drv->cur_screen->width;
2715 fbi->var.height = dev_drv->cur_screen->height;
2716 fbi->var.pixclock = dev_drv->pixclock;
2717 fbi->fbops = &fb_ops;
2718 fbi->flags = FBINFO_FLAG_DEFAULT;
2719 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
2720 if (i == 0){ /* only alloc memory for main fb*/
2723 rockchip_get_sysmmu_device_by_compatible(dev_drv->mmu_dts_name);
2724 platform_set_sysmmu(mmu_dev, dev_drv->dev);
2725 /*rockchip_sysmmu_set_fault_handler(dev_drv->dev,
2726 rk_fb_sysmmu_fault_handler);*/
2727 iovmm_activate(dev_drv->dev);
2729 rk_fb_alloc_buffer(fbi, rk_fb->num_fb);
2731 ret = register_framebuffer(fbi);
2733 dev_err(&fb_pdev->dev, "%s fb%d register_framebuffer fail!\n",
2734 __func__, rk_fb->num_fb);
2737 rkfb_create_sysfs(fbi);
2738 rk_fb->fb[rk_fb->num_fb] = fbi;
2739 dev_info(&fb_pdev->dev, "rockchip framebuffer registerd:%s\n",
2744 init_waitqueue_head(&dev_drv->vsync_info.wait);
2745 ret = device_create_file(fbi->dev, &dev_attr_vsync);
2747 dev_err(fbi->dev, "failed to create vsync file\n");
2748 dev_drv->vsync_info.thread = kthread_run(rk_fb_wait_for_vsync_thread,
2749 dev_drv, "fb-vsync");
2750 if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
2751 dev_err(fbi->dev, "failed to run vsync thread\n");
2752 dev_drv->vsync_info.thread = NULL;
2754 dev_drv->vsync_info.active = 1;
2756 mutex_init(&dev_drv->output_lock);
2758 INIT_LIST_HEAD(&dev_drv->update_regs_list);
2759 mutex_init(&dev_drv->update_regs_list_lock);
2760 init_kthread_worker(&dev_drv->update_regs_worker);
2762 dev_drv->update_regs_thread = kthread_run(kthread_worker_fn,
2763 &dev_drv->update_regs_worker, "rk-fb");
2764 if (IS_ERR(dev_drv->update_regs_thread)) {
2765 int err = PTR_ERR(dev_drv->update_regs_thread);
2766 dev_drv->update_regs_thread = NULL;
2768 printk("failed to run update_regs thread\n");
2771 init_kthread_work(&dev_drv->update_regs_work, rk_fb_update_regs_handler);
2773 dev_drv->timeline = sw_sync_timeline_create("fb-timeline"); dev_drv->timeline_max = 1;
2778 /*show logo for primary display device*/
2779 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO)
2780 if (dev_drv->prop == PRMRY) {
2781 struct fb_info *main_fbi = rk_fb->fb[0];
2782 main_fbi->fbops->fb_open(main_fbi, 1);
2783 main_fbi->fbops->fb_set_par(main_fbi);
2784 #if defined(CONFIG_LOGO_LINUX_BMP)
2785 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
2786 fb_set_cmap(&main_fbi->cmap, main_fbi);
2787 fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
2788 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
2791 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
2792 fb_set_cmap(&main_fbi->cmap, main_fbi);
2793 fb_show_logo(main_fbi, FB_ROTATE_UR);
2794 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
2797 //main_fbi->fbops->fb_ioctl(main_fbi, RK_FBIOSET_CONFIG_DONE, 0);
2798 main_fbi->fbops->fb_set_par(main_fbi);
2807 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
2810 struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
2811 struct fb_info *fbi;
2812 int fb_index_base = dev_drv->fb_index_base;
2813 int fb_num = dev_drv->lcdc_win_num;
2816 if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
2817 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
2818 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
2821 for (i = 0; i < fb_num; i++)
2822 kfree(dev_drv->win[i]);
2824 for (i = fb_index_base; i < (fb_index_base+fb_num); i++) {
2825 fbi = fb_inf->fb[i];
2826 unregister_framebuffer(fbi);
2827 /*rk_release_fb_buffer(fbi);*/
2828 framebuffer_release(fbi);
2830 fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
2838 #if defined(CONFIG_HAS_EARLYSUSPEND)
2839 struct suspend_info {
2840 struct early_suspend early_suspend;
2844 static void rkfb_early_suspend(struct early_suspend *h)
2846 struct suspend_info *info = container_of(h, struct suspend_info,
2848 struct rk_fb *inf = info->inf;
2850 for (i = 0; i < inf->num_lcdc; i++) {
2851 if (!inf->lcdc_dev_drv[i])
2853 inf->lcdc_dev_drv[i]->suspend(inf->lcdc_dev_drv[i]);
2856 static void rkfb_early_resume(struct early_suspend *h)
2858 struct suspend_info *info = container_of(h, struct suspend_info,
2860 struct rk_fb *inf = info->inf;
2862 for (i = 0; i < inf->num_lcdc; i++) {
2863 if (!inf->lcdc_dev_drv[i])
2865 inf->lcdc_dev_drv[i]->resume(inf->lcdc_dev_drv[i]);
2872 static struct suspend_info suspend_info = {
2873 .early_suspend.suspend = rkfb_early_suspend,
2874 .early_suspend.resume = rkfb_early_resume,
2875 .early_suspend.level = EARLY_SUSPEND_LEVEL_DISABLE_FB,
2879 static int rk_fb_probe(struct platform_device *pdev)
2881 struct rk_fb *rk_fb = NULL;
2882 struct device_node *np = pdev->dev.of_node;
2886 dev_err(&pdev->dev, "Missing device tree node.\n");
2890 rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
2892 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
2895 platform_set_drvdata(pdev, rk_fb);
2897 if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
2898 rk_fb->disp_mode = mode;
2901 dev_err(&pdev->dev, "no disp-mode node found!");
2904 dev_set_name(&pdev->dev, "rockchip-fb");
2905 #if defined(CONFIG_ION_ROCKCHIP)
2906 rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
2907 if (IS_ERR(rk_fb->ion_client)) {
2908 dev_err(&pdev->dev, "failed to create ion client for rk fb");
2909 return PTR_ERR(rk_fb->ion_client);
2911 dev_info(&pdev->dev, "rk fb ion client create success!\n");
2915 #if defined(CONFIG_HAS_EARLYSUSPEND)
2916 suspend_info.inf = rk_fb;
2917 register_early_suspend(&suspend_info.early_suspend);
2920 dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
2924 static int rk_fb_remove(struct platform_device *pdev)
2926 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
2928 platform_set_drvdata(pdev, NULL);
2932 static void rk_fb_shutdown(struct platform_device *pdev)
2934 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
2936 for (i = 0; i < rk_fb->num_lcdc; i++) {
2937 if (!rk_fb->lcdc_dev_drv[i])
2942 #if defined(CONFIG_HAS_EARLYSUSPEND)
2943 unregister_early_suspend(&suspend_info.early_suspend);
2948 static const struct of_device_id rkfb_dt_ids[] = {
2949 { .compatible = "rockchip,rk-fb", },
2953 static struct platform_driver rk_fb_driver = {
2954 .probe = rk_fb_probe,
2955 .remove = rk_fb_remove,
2958 .owner = THIS_MODULE,
2959 .of_match_table = of_match_ptr(rkfb_dt_ids),
2961 .shutdown = rk_fb_shutdown,
2964 static int __init rk_fb_init(void)
2966 return platform_driver_register(&rk_fb_driver);
2969 static void __exit rk_fb_exit(void)
2971 platform_driver_unregister(&rk_fb_driver);
2974 subsys_initcall_sync(rk_fb_init);
2975 module_exit(rk_fb_exit);