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>
51 static int hdmi_switch_complete;
52 static struct platform_device *fb_pdev;
53 struct list_head saved_list;
55 #if defined(CONFIG_FB_MIRRORING)
56 int (*video_data_to_mirroring)(struct fb_info *info, u32 yuv_phy[2]);
57 EXPORT_SYMBOL(video_data_to_mirroring);
61 int rk_fb_pixel_width(int data_format)
87 static int rk_fb_data_fmt(int data_format,int bits_per_pixel)
92 case HAL_PIXEL_FORMAT_RGBX_8888:
93 fb_data_fmt = XBGR888;
95 case HAL_PIXEL_FORMAT_RGBA_8888:
96 fb_data_fmt = ABGR888;
98 case HAL_PIXEL_FORMAT_BGRA_8888:
99 fb_data_fmt = ARGB888;
101 case HAL_PIXEL_FORMAT_RGB_888:
102 fb_data_fmt = RGB888;
104 case HAL_PIXEL_FORMAT_RGB_565:
105 fb_data_fmt = RGB565;
107 case HAL_PIXEL_FORMAT_YCbCr_422_SP: // yuv422
108 fb_data_fmt = YUV422;
110 case HAL_PIXEL_FORMAT_YCrCb_NV12: // YUV420---uvuvuv
111 fb_data_fmt = YUV420;
113 case HAL_PIXEL_FORMAT_YCrCb_444: // yuv444
114 fb_data_fmt = YUV444;
117 printk("%s:un supported format:0x%x\n",__func__,data_format);
121 switch(bits_per_pixel){
123 fb_data_fmt = ARGB888;
126 fb_data_fmt = RGB565;
135 /* rk display power control parse from dts
138 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
140 struct device_node *root = of_parse_phandle(dev_drv->dev->of_node,
142 struct device_node *child;
143 struct rk_disp_pwr_ctr_list *pwr_ctr;
144 struct list_head *pos;
145 enum of_gpio_flags flags;
150 INIT_LIST_HEAD(&dev_drv->pwrlist_head);
152 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",dev_drv->id);
156 for_each_child_of_node(root, child) {
157 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list), GFP_KERNEL);
158 strcpy(pwr_ctr->pwr_ctr.name, child->name);
159 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
161 pwr_ctr->pwr_ctr.type = GPIO;
162 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
163 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
164 dev_err(dev_drv->dev, "%s ivalid gpio\n", child->name);
167 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
168 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,child->name);
170 dev_err(dev_drv->dev, "request %s gpio fail:%d\n",
175 pwr_ctr->pwr_ctr.type = REGULATOR;
179 of_property_read_u32(child, "rockchip,delay", &val);
180 pwr_ctr->pwr_ctr.delay = val;
181 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
184 of_property_read_u32(root, "rockchip,debug", &debug);
187 list_for_each(pos, &dev_drv->pwrlist_head) {
188 pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list, list);
189 printk(KERN_INFO "pwr_ctr_name:%s\n"
194 pwr_ctr->pwr_ctr.name,
195 (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
196 pwr_ctr->pwr_ctr.gpio,
197 pwr_ctr->pwr_ctr.atv_val,
198 pwr_ctr->pwr_ctr.delay);
206 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
208 struct list_head *pos;
209 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
210 struct pwr_ctr *pwr_ctr;
211 if (list_empty(&dev_drv->pwrlist_head))
213 list_for_each(pos, &dev_drv->pwrlist_head) {
214 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list, list);
215 pwr_ctr = &pwr_ctr_list->pwr_ctr;
216 if (pwr_ctr->type == GPIO) {
217 gpio_direction_output(pwr_ctr->gpio,pwr_ctr->atv_val);
218 mdelay(pwr_ctr->delay);
225 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
227 struct list_head *pos;
228 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
229 struct pwr_ctr *pwr_ctr;
230 if (list_empty(&dev_drv->pwrlist_head))
232 list_for_each(pos, &dev_drv->pwrlist_head) {
233 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list, list);
234 pwr_ctr = &pwr_ctr_list->pwr_ctr;
235 if (pwr_ctr->type == GPIO) {
236 gpio_set_value(pwr_ctr->gpio,pwr_ctr->atv_val);
243 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
244 struct rk_screen *screen)
246 screen->mode.pixclock = dt->pixelclock.typ;
247 screen->mode.left_margin = dt->hback_porch.typ;
248 screen->mode.right_margin = dt->hfront_porch.typ;
249 screen->mode.xres = dt->hactive.typ;
250 screen->mode.hsync_len = dt->hsync_len.typ;
251 screen->mode.upper_margin = dt->vback_porch.typ;
252 screen->mode.lower_margin = dt->vfront_porch.typ;
253 screen->mode.yres = dt->vactive.typ;
254 screen->mode.vsync_len = dt->vsync_len.typ;
255 screen->type = dt->screen_type;
256 screen->lvds_format = dt->lvds_format;
257 screen->face = dt->face;
259 if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
260 screen->pin_dclk = 1;
262 screen->pin_dclk = 0;
263 if(dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
264 screen->pin_hsync = 1;
266 screen->pin_hsync = 0;
267 if(dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
268 screen->pin_vsync = 1;
270 screen->pin_vsync = 0;
271 if(dt->flags & DISPLAY_FLAGS_DE_HIGH)
279 int rk_disp_prase_timing_dt(struct rk_lcdc_driver *dev_drv)
281 struct display_timings *disp_timing;
282 struct display_timing *dt;
283 struct rk_screen *screen = dev_drv->cur_screen;
284 disp_timing = of_get_display_timings(dev_drv->dev->of_node);
286 dev_err(dev_drv->dev, "parse display timing err\n");
289 dt = display_timings_get(disp_timing, 0);
290 rk_fb_video_mode_from_timing(dt, screen);
291 printk(KERN_DEBUG "dclk:%d\n"
306 dt->hfront_porch.typ,
310 dt->vfront_porch.typ,
319 int rk_fb_calc_fps(struct rk_screen * screen, u32 pixclock)
322 unsigned long long hz;
324 printk(KERN_ERR "%s:null screen!\n", __func__);
327 x = screen->mode.xres + screen->mode.left_margin + screen->mode.right_margin +
328 screen->mode.hsync_len;
329 y = screen->mode.yres + screen->mode.upper_margin + screen->mode.lower_margin +
330 screen->mode.vsync_len;
332 hz = 1000000000000ULL; /* 1e12 picoseconds per second */
335 do_div(hz, x * y); /* divide by x * y with rounding */
338 do_div(hz, pixclock); /* divide by pixclock with rounding */
343 char *get_format_string(enum data_format format, char *fmt)
349 strcpy(fmt, "ARGB888");
352 strcpy(fmt, "RGB888");
355 strcpy(fmt, "RGB565");
358 strcpy(fmt, "YUV420");
361 strcpy(fmt, "YUV422");
364 strcpy(fmt, "YUV444");
367 strcpy(fmt, "XRGB888");
370 strcpy(fmt, "XBGR888");
373 strcpy(fmt, "XBGR888");
376 strcpy(fmt, "invalid");
386 /**********************************************************************
388 name: lcdc device name ,lcdc0 , lcdc1
389 ***********************************************************************/
390 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
392 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
394 for (i = 0; i < inf->num_lcdc; i++) {
395 if (!strcmp(inf->lcdc_dev_drv[i]->name, name))
398 return inf->lcdc_dev_drv[i];
402 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
404 struct rk_fb *inf = NULL;
405 struct rk_lcdc_driver *dev_drv = NULL;
409 inf = platform_get_drvdata(fb_pdev);
413 for (i = 0; i < inf->num_lcdc; i++) {
414 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
415 dev_drv = inf->lcdc_dev_drv[i];
424 int rk_fb_get_prmry_screen_ft(void)
426 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
427 uint32_t htotal, vtotal, pix_total, ft_us, dclk_mhz;
429 if (unlikely(!dev_drv))
432 dclk_mhz = dev_drv->pixclock/(1000*1000);
434 htotal = (dev_drv->cur_screen->mode.upper_margin + dev_drv->cur_screen->mode.lower_margin +
435 dev_drv->cur_screen->mode.yres + dev_drv->cur_screen->mode.vsync_len);
436 vtotal = (dev_drv->cur_screen->mode.left_margin + dev_drv->cur_screen->mode.right_margin +
437 dev_drv->cur_screen->mode.xres + dev_drv->cur_screen->mode.hsync_len);
438 pix_total = htotal*vtotal;
439 ft_us = pix_total / dclk_mhz;
444 static struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
446 struct rk_fb *inf = NULL;
447 struct rk_lcdc_driver *dev_drv = NULL;
451 inf = platform_get_drvdata(fb_pdev);
455 for (i = 0; i < inf->num_lcdc; i++) {
456 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
457 dev_drv = inf->lcdc_dev_drv[i];
465 int rk_fb_get_prmry_screen(struct rk_screen *screen)
467 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
468 memcpy(screen, dev_drv->screen0, sizeof(struct rk_screen));
474 u32 rk_fb_get_prmry_screen_pixclock(void)
476 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
477 return dev_drv->pixclock;
480 int rk_fb_poll_prmry_screen_vblank(void)
482 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
483 if (likely(dev_drv)) {
484 if (dev_drv->ops->poll_vblank)
485 return dev_drv->ops->poll_vblank(dev_drv);
487 return RK_LF_STATUS_NC;
489 return RK_LF_STATUS_NC;
492 bool rk_fb_poll_wait_frame_complete(void)
494 uint32_t timeout = RK_LF_MAX_TIMEOUT;
495 if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC)
498 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout);
499 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout);
503 static int rk_fb_open(struct fb_info *info, int user)
505 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
508 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
509 if (dev_drv->win[win_id]->state)
510 return 0; /* if this win aready opened ,no need to reopen*/
512 dev_drv->ops->open(dev_drv, win_id, 1);
516 static int get_extend_fb_id(struct fb_info *info)
519 char *id = info->fix.id;
520 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
521 if (!strcmp(id, "fb0"))
523 else if (!strcmp(id, "fb1"))
525 else if (!strcmp(id, "fb2") && (dev_drv->lcdc_win_num > 2))
530 static int rk_fb_close(struct fb_info *info, int user)
532 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
533 struct rk_lcdc_win *win = NULL;
534 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
536 win = dev_drv->win[win_id];
537 info->fix.smem_start = win->reserved;
539 info->var.xres = dev_drv->screen0->mode.xres;
540 info->var.yres = dev_drv->screen0->mode.yres;
541 info->var.grayscale |= (info->var.xres<<8) + (info->var.yres<<20);
542 #if defined(CONFIG_LOGO_LINUX_BMP)
543 info->var.bits_per_pixel = 32;
545 info->var.bits_per_pixel = 16;
547 info->fix.line_length = (info->var.xres)*(info->var.bits_per_pixel>>3);
548 info->var.xres_virtual = info->var.xres;
549 info->var.yres_virtual = info->var.yres;
550 info->var.width = dev_drv->screen0->width;
551 info->var.height = dev_drv->screen0->height;
552 info->var.pixclock = dev_drv->pixclock;
553 info->var.left_margin = dev_drv->screen0->mode.left_margin;
554 info->var.right_margin = dev_drv->screen0->mode.right_margin;
555 info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
556 info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
557 info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
558 info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
565 #if defined(CONFIG_RK29_IPP)
566 static int get_ipp_format(int fmt)
568 int ipp_fmt = IPP_XRGB_8888;
570 case HAL_PIXEL_FORMAT_RGBX_8888:
571 case HAL_PIXEL_FORMAT_RGBA_8888:
572 case HAL_PIXEL_FORMAT_BGRA_8888:
573 case HAL_PIXEL_FORMAT_RGB_888:
574 ipp_fmt = IPP_XRGB_8888;
576 case HAL_PIXEL_FORMAT_RGB_565:
577 ipp_fmt = IPP_RGB_565;
579 case HAL_PIXEL_FORMAT_YCbCr_422_SP:
580 ipp_fmt = IPP_Y_CBCR_H2V1;
582 case HAL_PIXEL_FORMAT_YCrCb_NV12:
583 ipp_fmt = IPP_Y_CBCR_H2V2;
585 case HAL_PIXEL_FORMAT_YCrCb_444:
586 ipp_fmt = IPP_Y_CBCR_H1V1;
589 ipp_fmt = IPP_IMGTYPE_LIMIT;
596 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
597 int rotation, int fmt)
603 if (fmt == IPP_XRGB_8888) {
606 } else if (fmt == IPP_RGB_565) {
613 align16 -= 1; /*for YUV, 1*/
614 align64 -= 1; /*for YUV, 7*/
616 if (rotation == IPP_ROT_0) {
617 if (fmt > IPP_RGB_565) {
618 if ((*dst_w & 1) != 0)
620 if ((*dst_h & 1) != 0)
622 if (*dst_vir_w < *dst_w)
627 if ((*dst_w & align64) != 0)
628 *dst_w = (*dst_w+align64)&(~align64);
629 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
631 if (*dst_vir_w < *dst_w)
637 static void fb_copy_by_ipp(struct fb_info *dst_info,
638 struct fb_info *src_info, int offset)
640 struct rk29_ipp_req ipp_req;
641 uint32_t rotation = 0;
642 int dst_w, dst_h, dst_vir_w;
644 u8 data_format = (dst_info->var.nonstd)&0xff;
646 memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
647 #if defined(CONFIG_FB_ROTATE)
648 int orientation = 270 - CONFIG_ROTATE_ORIENTATION;
649 switch (orientation) {
651 rotation = IPP_ROT_0;
654 rotation = IPP_ROT_90;
657 rotation = IPP_ROT_180;
660 rotation = IPP_ROT_270;
663 rotation = IPP_ROT_270;
669 dst_w = dst_info->var.xres;
670 dst_h = dst_info->var.yres;
671 dst_vir_w = dst_info->var.xres_virtual;
672 ipp_fmt = get_ipp_format(data_format);
673 ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
674 ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
675 ipp_req.src0.w = src_info->var.xres;
676 ipp_req.src0.h = src_info->var.yres;
677 ipp_req.src_vir_w = src_info->var.xres_virtual;
678 ipp_req.src0.fmt = ipp_fmt;
680 ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
681 ipp_req.dst0.w = dst_w;
682 ipp_req.dst0.h = dst_h;
683 ipp_req.dst_vir_w = dst_vir_w;
684 ipp_req.dst0.fmt = ipp_fmt;
687 ipp_req.timeout = 100;
688 ipp_req.flag = rotation;
689 ipp_blit_sync(&ipp_req);
696 static int rk_fb_rotate(struct fb_info *dst_info,
697 struct fb_info *src_info, int offset)
699 #if defined(CONFIG_RK29_IPP)
700 fb_copy_by_ipp(dst_info, src_info, offset);
706 static int rk_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
708 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
709 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
710 struct fb_fix_screeninfo *fix = &info->fix;
711 struct fb_info *extend_info = NULL;
712 struct rk_lcdc_driver *extend_dev_drv = NULL;
713 int win_id = 0, extend_win_id = 0;
714 struct rk_lcdc_win *extend_win = NULL;
715 struct rk_lcdc_win *win = NULL;
719 u32 xoffset = var->xoffset;
720 u32 yoffset = var->yoffset;
721 u32 xvir = var->xres_virtual;
722 u32 yvir = var->yres_virtual;
723 /*u8 data_format = var->nonstd&0xff;*/
727 u32 stride,uv_stride;
732 u16 uv_x_off,uv_y_off;
735 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
739 win = dev_drv->win[win_id];
741 if (rk_fb->disp_mode == DUAL) {
742 fb_id = get_extend_fb_id(info);
743 extend_info = rk_fb->fb[(rk_fb->num_fb>>1) + fb_id];
744 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
745 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
746 extend_info->fix.id);
747 extend_win = extend_dev_drv->win[extend_win_id];
749 pixel_width = rk_fb_pixel_width(win->format);
750 vir_width_bit = pixel_width * xvir;
751 stride_128bit_1 = ((vir_width_bit + 127) & (~127))/8; //pixel_width = byte_num *8
752 stride_128bit_2 = ((vir_width_bit*2 + 127) & (~127))/8; //pixel_width = byte_num *8
753 stride_32bit_1 = ((vir_width_bit + 31 ) & (~31 ))/8; //pixel_width = byte_num *8
754 stride_32bit_2 = ((vir_width_bit*2 + 31 ) & (~31 ))/8; //pixel_width = byte_num *8
756 stride = stride_32bit_1;//default rgb
757 fix->line_length = stride;
759 switch (win->format){
762 stride = stride_32bit_1;
763 uv_stride = stride_32bit_1>> 1 ;//
764 uv_x_off = xoffset >> 1 ;//
765 uv_y_off = yoffset;//0
766 fix->line_length = stride;
770 stride = stride_32bit_1;
771 uv_stride = stride_32bit_1;
773 uv_y_off = yoffset >> 1;
774 fix->line_length = stride;
778 stride = stride_32bit_1;
779 uv_stride = stride_32bit_2;
780 uv_x_off = xoffset*2;
782 fix->line_length = stride<<2;
788 // x y mirror ,jump line
789 win->area[0].y_offset = yoffset*stride+xoffset*pixel_width/8;
791 win->area[0].c_offset = uv_y_off*uv_stride+uv_x_off*pixel_width/8;
794 switch (win->format) {
798 win->area[0].y_offset=(yoffset*xvir + xoffset)*4;//win->y_offset = (yoffset*xvir + xoffset)*4;
801 win->area[0].y_offset = (yoffset*xvir + xoffset)*3;
804 win->area[0].y_offset = (yoffset*xvir + xoffset)*2;
807 win->area[0].y_offset = yoffset*xvir + xoffset;
808 win->area[0].c_offset = win->area[0].y_offset;
811 win->area[0].y_offset = yoffset*xvir + xoffset;
812 win->area[0].c_offset = (yoffset>>1)*xvir + xoffset;
815 win->area[0].y_offset = yoffset*xvir + xoffset;
816 win->area[0].c_offset = yoffset*2*xvir + (xoffset<<1);
821 win->area[0].smem_start = fix->smem_start;
822 win->area[0].cbr_start = fix->smem_start + xvir * yvir;
824 win->area[0].state=1;
827 dev_drv->ops->pan_display(dev_drv, win_id);
828 if (rk_fb->disp_mode == DUAL) {
829 if (extend_win->state && (hdmi_switch_complete)) {
830 extend_win->area[0].y_offset = win->area[0].y_offset;
831 #if defined(CONFIG_FB_ROTATE) || !defined(CONFIG_THREE_FB_BUFFER)
832 rk_fb_rotate(extend_info, info, win->area[0].y_offset);
834 extend_dev_drv->ops->pan_display(extend_dev_drv, extend_win_id);
838 #ifdef CONFIG_FB_MIRRORING
839 if (video_data_to_mirroring)
840 video_data_to_mirroring(info, NULL);
845 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
848 i = list_empty(&dev_drv->update_regs_list);
849 j = list_empty(&saved_list);
854 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv,
855 struct sync_fence *fence)
857 int err = sync_fence_wait(fence, 1000);
863 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
866 printk("error waiting on fence\n");
870 void rk_fb_free_dma_buf(struct rk_fb_reg_win_data *reg_win_data)
874 for(i=0;i<RK_WIN_MAX_AREA;i++){
875 if(reg_win_data->reg_area_data[i].acq_fence)
876 sync_fence_put(reg_win_data->reg_area_data[i].acq_fence);
879 memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
882 static void rk_fb_update_driver(struct rk_lcdc_win *win,struct rk_fb_reg_win_data *reg_win_data)
885 //struct rk_lcdc_win *win;
886 //win = dev_drv->win[reg_win_data->win_id];
887 win->area_num = reg_win_data->area_num;
888 win->format = reg_win_data->data_format;
889 win->id = reg_win_data->win_id;
890 win->z_order = reg_win_data->z_order;
893 for(i=0;i<win->area_num;i++)
895 printk("i=%d:area[%d]=%x,reg_area_data[%d]=%x,mem_start=%x\n",
896 i,i,&win->area[i],i,®_win_data->reg_area_data[i],reg_win_data->reg_area_data[i].smem_start);
898 win->area[i].smem_start = reg_win_data->reg_area_data[i].smem_start;
899 win->area[i].cbr_start = reg_win_data->reg_area_data[i].cbr_start;
900 win->area[i].xpos = reg_win_data->reg_area_data[i].xpos;
901 win->area[i].ypos = reg_win_data->reg_area_data[i].ypos;
902 win->area[i].xsize = reg_win_data->reg_area_data[i].xsize;
903 win->area[i].ysize = reg_win_data->reg_area_data[i].ysize;
904 win->area[i].xact = reg_win_data->reg_area_data[i].xact;
905 win->area[i].yact = reg_win_data->reg_area_data[i].yact;
906 win->area[i].xvir = reg_win_data->reg_area_data[i].xvir;
907 win->area[i].yvir = reg_win_data->reg_area_data[i].yvir;
908 win->area[i].y_offset = reg_win_data->reg_area_data[i].y_offset;
909 win->area[i].c_offset = reg_win_data->reg_area_data[i].c_offset;
910 win->area[i].state = 1;
913 if(reg_win_data->reg_area_data[0].smem_start > 0){
915 win->area_num = reg_win_data->area_num;
916 win->format = reg_win_data->data_format;
917 win->id = reg_win_data->win_id;
918 win->z_order = reg_win_data->z_order;
919 win->area[0].uv_vir_stride = reg_win_data->reg_area_data[0].uv_vir_stride;
920 win->area[0].cbr_start = reg_win_data->reg_area_data[0].cbr_start;
921 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
922 win->alpha_en = reg_win_data->alpha_en;
923 win->alpha_mode = reg_win_data->alpha_mode;
924 win->g_alpha_val = reg_win_data->g_alpha_val;
925 for(i=0;i<RK_WIN_MAX_AREA;i++)
927 if(reg_win_data->reg_area_data[i].smem_start > 0){
928 win->area[i].smem_start = reg_win_data->reg_area_data[i].smem_start;
929 win->area[i].xpos = reg_win_data->reg_area_data[i].xpos;
930 win->area[i].ypos = reg_win_data->reg_area_data[i].ypos;
931 win->area[i].xsize = reg_win_data->reg_area_data[i].xsize;
932 win->area[i].ysize = reg_win_data->reg_area_data[i].ysize;
933 win->area[i].xact = reg_win_data->reg_area_data[i].xact;
934 win->area[i].yact = reg_win_data->reg_area_data[i].yact;
935 win->area[i].xvir = reg_win_data->reg_area_data[i].xvir;
936 win->area[i].yvir = reg_win_data->reg_area_data[i].yvir;
937 win->area[i].y_offset = reg_win_data->reg_area_data[i].y_offset;
938 win->area[i].y_vir_stride = reg_win_data->reg_area_data[i].y_vir_stride;
939 win->area[i].state = 1;
941 win->area[i].state = 0;
952 static void rk_fb_update_reg(struct rk_lcdc_driver * dev_drv,struct rk_fb_reg_data *regs)
955 struct rk_lcdc_win *win;
956 ktime_t timestamp = dev_drv->vsync_info.timestamp;
957 //struct rk_fb_reg_win_data old_reg_win_data[RK30_MAX_LAYER_SUPPORT];
959 for(i=0;i<dev_drv->lcdc_win_num;i++){
960 //old_reg_win_data[i]= regs->reg_win_data[i];
961 win = dev_drv->win[i];
962 for(j=0;j<regs->win_num;j++){
963 if(i == regs->reg_win_data[j].win_id)
967 rk_fb_update_driver(win,®s->reg_win_data[j]);
975 printk("win[%d]:drv_win_state=%d\n",i,dev_drv->win[i]->state);
977 printk("area[%d]:state=%d,mem_addr=%x\n",
978 i,dev_drv->win[i]->area[j].state,dev_drv->win[i]->area[j].smem_start);
982 dev_drv->atv_layer_cnt = regs->win_num;
983 dev_drv->cur_screen->post_xsize = regs->post_cfg.xsize;
984 dev_drv->cur_screen->post_ysize = regs->post_cfg.ysize;
985 dev_drv->cur_screen->post_dsp_stx = regs->post_cfg.xpos;
986 dev_drv->cur_screen->post_dsp_sty = regs->post_cfg.ypos;
987 dev_drv->ops->set_par(dev_drv,0);
989 ret = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
990 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp),msecs_to_jiffies(dev_drv->cur_screen->ft+5));
992 sw_sync_timeline_inc(dev_drv->timeline, 1);
994 for(i=0;i<regs->win_num;i++){
995 rk_fb_free_dma_buf(®s->reg_win_data[i]);
999 static void rk_fb_update_regs_handler(struct kthread_work *work)
1001 struct rk_lcdc_driver * dev_drv =
1002 container_of(work, struct rk_lcdc_driver, update_regs_work);
1003 struct rk_fb_reg_data *data, *next;
1004 //struct list_head saved_list;
1005 mutex_lock(&dev_drv->update_regs_list_lock);
1006 saved_list = dev_drv->update_regs_list;
1007 list_replace_init(&dev_drv->update_regs_list, &saved_list);
1008 mutex_unlock(&dev_drv->update_regs_list_lock);
1010 list_for_each_entry_safe(data, next, &saved_list, list) {
1011 rk_fb_update_reg(dev_drv,data);
1012 list_del(&data->list);
1017 static int rk_fb_set_win_buffer(struct fb_info *info,
1018 struct rk_fb_win_par *win_par,struct rk_fb_reg_win_data *reg_win_data)
1020 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1021 //struct fb_var_screeninfo *var = &info->var;
1022 struct fb_fix_screeninfo *fix = &info->fix;
1023 //struct rk_lcdc_driver * dev_drv = (struct rk_lcdc_driver * )info->par;
1025 int i,j,ion_fd,acq_fence_fd;
1027 u32 xoffset,yoffset;
1029 struct ion_handle *hdl;
1030 ion_phys_addr_t phy_addr;
1036 u32 stride,uv_stride;
1039 u32 stride_128bit_1;
1040 u32 stride_128bit_2;
1041 u16 uv_x_off,uv_y_off;
1043 u8 ppixel_a=0,global_a=0;
1044 reg_win_data->area_num = 0;
1045 if(win_par->area_par[0].phy_addr == 0){
1046 for(i=0;i<RK_WIN_MAX_AREA;i++){
1047 ion_fd = win_par->area_par[i].ion_fd;
1049 reg_win_data->area_num++;
1051 if(ion_fd == win_par->area_par[j].ion_fd){
1052 printk("region[%d] fd is same to region[%d]:fd=%d",
1058 hdl = ion_import_dma_buf(rk_fb->ion_client, ion_fd);
1059 ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
1060 reg_win_data->reg_area_data[i].smem_start = phy_addr;
1061 reg_win_data->area_buf_num++;
1062 reg_win_data->reg_area_data[i].index_buf = 1;
1064 reg_win_data->reg_area_data[i].smem_start =
1065 reg_win_data->reg_area_data[j].smem_start;
1069 printk("i=%d,ion_fd=%d,addr=0x%x,area_num=%d,area_buf_num=%d\n",
1070 i,ion_fd,reg_win_data->reg_area_data[i].smem_start,
1071 reg_win_data->area_num,reg_win_data->area_buf_num);
1075 reg_win_data->reg_area_data[0].smem_start =
1076 win_par->area_par[0].phy_addr;
1077 reg_win_data->area_num = 1;
1080 if(reg_win_data->area_num == 0){
1084 for(i=0;i<reg_win_data->area_num;i++){
1085 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
1086 index_buf = reg_win_data->reg_area_data[i].index_buf;
1087 if((acq_fence_fd > 0)&&(index_buf == 1)){
1088 reg_win_data->reg_area_data[i].acq_fence =
1089 sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
1092 fb_data_fmt = rk_fb_data_fmt(win_par->data_format,0);
1093 reg_win_data->data_format = fb_data_fmt;
1094 pixel_width = rk_fb_pixel_width(fb_data_fmt);
1096 ppixel_a = ((fb_data_fmt == ARGB888)||(fb_data_fmt == ABGR888)) ? 1:0;
1097 global_a = (win_par->g_alpha_val == 0) ? 0:1;
1098 reg_win_data->alpha_en = ppixel_a | global_a;
1100 reg_win_data->z_order = win_par->z_order;
1101 reg_win_data->win_id = win_par->win_id;
1103 for(i=0;i<reg_win_data->area_num;i++){
1104 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;//visiable pos in panel
1105 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
1107 reg_win_data->reg_area_data[i].xsize= win_par->area_par[i].xsize;//realy size in panel
1108 reg_win_data->reg_area_data[i].ysize= win_par->area_par[i].ysize;
1110 reg_win_data->reg_area_data[i].xact= win_par->area_par[i].xact;//realy size in panel
1111 reg_win_data->reg_area_data[i].yact= win_par->area_par[i].yact;
1113 xoffset = win_par->area_par[i].x_offset;//buf offset
1114 yoffset = win_par->area_par[i].y_offset;
1115 xvir = win_par->area_par[i].xvir;
1116 reg_win_data->reg_area_data[i].xvir = xvir;
1117 yvir = win_par->area_par[i].yvir;
1118 reg_win_data->reg_area_data[i].yvir = yvir;
1120 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",
1121 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,
1122 reg_win_data->reg_area_data[i].xact,reg_win_data->reg_area_data[i].yact,xoffset,yoffset,xvir,yvir);
1125 vir_width_bit = pixel_width * xvir;
1126 stride_128bit_1 = ((vir_width_bit + 127) & (~127))/8; //pixel_width = byte_num *8
1127 stride_128bit_2 = ((vir_width_bit*2 + 127) & (~127))/8; //pixel_width = byte_num *8
1128 stride_32bit_1 = ((vir_width_bit + 31 ) & (~31 ))/8; //pixel_width = byte_num *8
1129 stride_32bit_2 = ((vir_width_bit*2 + 31 ) & (~31 ))/8; //pixel_width = byte_num *8
1131 stride = stride_32bit_1;//default rgb
1132 fix->line_length = stride;
1133 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
1134 // x y mirror ,jump line
1135 reg_win_data->reg_area_data[i].y_offset = yoffset*stride+xoffset*pixel_width/8;
1137 switch (fb_data_fmt){
1140 stride = stride_32bit_1;
1141 uv_stride = stride_32bit_1>> 1 ;//
1142 uv_x_off = xoffset >> 1 ;//
1143 uv_y_off = yoffset;//0
1144 fix->line_length = stride;
1148 stride = stride_32bit_1;
1149 uv_stride = stride_32bit_1;
1151 uv_y_off = yoffset >> 1;
1152 fix->line_length = stride;
1156 stride = stride_32bit_1;
1157 uv_stride = stride_32bit_2;
1158 uv_x_off = xoffset*2;
1160 fix->line_length = stride<<2;
1165 if(is_pic_yuv == 1){
1166 reg_win_data->reg_area_data[0].cbr_start =
1167 reg_win_data->reg_area_data[0].smem_start + xvir*yvir;
1168 reg_win_data->reg_area_data[0].c_offset =
1169 uv_y_off*uv_stride+uv_x_off*pixel_width/8;
1170 reg_win_data->reg_area_data[0].uv_vir_stride =
1176 static int rk_fb_set_win_config(struct fb_info *info,
1177 struct rk_fb_win_cfg_data *win_data)
1179 //struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1180 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1181 struct rk_fb_reg_data *regs;
1182 struct rk_fb_reg_win_data *reg_win_data;
1183 struct sync_fence *release_fence[RK_MAX_BUF_NUM];
1184 struct sync_fence *retire_fence;
1185 struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
1186 struct sync_pt *retire_sync_pt;
1187 int ret,i,j=0,fence_fd;
1188 char fence_name[20];
1190 //mutex_lock(&dev_drv->output_lock);
1191 regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
1193 printk("could not allocate rk_fb_reg_data\n");
1198 regs->post_cfg.xpos = win_data->post_cfg.xpos;
1199 regs->post_cfg.ypos = win_data->post_cfg.ypos;
1200 regs->post_cfg.xsize = win_data->post_cfg.xsize;
1201 regs->post_cfg.ysize = win_data->post_cfg.xsize;
1202 for (i=0; i<dev_drv->lcdc_win_num; i++) {
1203 if(win_data->win_par[i].win_id < dev_drv->lcdc_win_num){
1204 rk_fb_set_win_buffer(info,&win_data->win_par[i],®s->reg_win_data[j]);
1205 if(regs->reg_win_data[j].area_num > 0){
1207 regs->buf_num += regs->reg_win_data[j].area_buf_num;
1211 printk("error:win_id bigger than lcdc_win_num\n");
1212 printk("i=%d,win_id=%d\n",i,win_data->win_par[i].win_id);
1215 for(i=0; i<regs->win_num; i++){
1216 reg_win_data = ®s->reg_win_data[i];
1217 for(j=0;j<RK_WIN_MAX_AREA;j++){
1218 if(reg_win_data->reg_area_data[j].acq_fence){
1219 printk("acq_fence wait!!!!!\n");
1220 rk_fd_fence_wait(dev_drv,
1221 reg_win_data->reg_area_data[j].acq_fence);
1226 mutex_lock(&dev_drv->output_lock);
1227 if(!(dev_drv->suspend_flag == 0)){
1228 rk_fb_update_reg(dev_drv,regs);
1229 printk("suspend_flag == 0\n");
1232 mutex_lock(&dev_drv->update_regs_list_lock);
1233 dev_drv->timeline_max++;
1235 for(i=0;i<RK_MAX_BUF_NUM;i++){
1236 if(i<regs->buf_num){
1237 sprintf(fence_name,"fence%d",i);
1238 win_data->rel_fence_fd[i] = get_unused_fd();
1239 if (win_data->rel_fence_fd[i] < 0){
1240 printk("rel_fence_fd=%d\n",win_data->rel_fence_fd[i]);
1243 release_sync_pt[i] = sw_sync_pt_create(dev_drv->timeline,
1244 dev_drv->timeline_max);
1245 release_fence[i] = sync_fence_create(fence_name, release_sync_pt[i]);
1246 sync_fence_install(release_fence[i], win_data->rel_fence_fd[i]);
1248 win_data->rel_fence_fd[i] = -1;
1252 win_data->ret_fence_fd = get_unused_fd();
1253 if (win_data->ret_fence_fd < 0){
1254 printk("ret_fence_fd=%d\n",win_data->ret_fence_fd);
1257 retire_sync_pt = sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
1258 retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
1259 sync_fence_install(retire_fence, win_data->ret_fence_fd);
1261 for(i=0;i<RK_MAX_BUF_NUM;i++){
1262 win_data->rel_fence_fd[i] = -1;
1264 win_data->ret_fence_fd = -1;
1266 if(dev_drv->wait_fs == 0){
1267 list_add_tail(®s->list,&dev_drv->update_regs_list);
1268 mutex_unlock(&dev_drv->update_regs_list_lock);
1269 queue_kthread_work(&dev_drv->update_regs_worker,
1270 &dev_drv->update_regs_work);
1272 mutex_unlock(&dev_drv->update_regs_list_lock);
1273 rk_fb_update_reg(dev_drv,regs);
1277 mutex_unlock(&dev_drv->output_lock);
1281 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
1283 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1284 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1285 struct fb_fix_screeninfo *fix = &info->fix;
1286 int fb_id = 0, extend_win_id = 0;
1287 struct fb_info *extend_info = NULL;
1288 struct rk_lcdc_driver *extend_dev_drv = NULL;
1289 struct rk_lcdc_win *extend_win = NULL;
1290 struct rk_lcdc_win *win;
1291 int enable; /* enable fb:1 enable;0 disable*/
1292 int ovl; /*overlay:0 win1 on the top of win0;1,win0 on the top of win1*/
1293 int num_buf; /*buffer_number*/
1295 struct rk_fb_win_cfg_data win_data;
1296 unsigned int dsp_addr[4];
1299 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1301 void __user *argp = (void __user *)arg;
1302 win = dev_drv->win[win_id];
1303 if (rk_fb->disp_mode == DUAL) {
1304 fb_id = get_extend_fb_id(info);
1305 extend_info = rk_fb->fb[(rk_fb->num_fb>>1) + fb_id];
1306 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
1307 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
1308 extend_info->fix.id);
1309 extend_win = extend_dev_drv->win[extend_win_id];
1313 case RK_FBIOSET_YUV_ADDR:
1316 if (copy_from_user(yuv_phy, argp, 8))
1318 fix->smem_start = yuv_phy[0];
1319 fix->mmio_start = yuv_phy[1];
1322 case RK_FBIOSET_ENABLE:
1323 if (copy_from_user(&enable, argp, sizeof(enable)))
1325 dev_drv->ops->open(dev_drv, win_id, enable);
1327 case RK_FBIOGET_ENABLE:
1328 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
1329 if (copy_to_user(argp, &enable, sizeof(enable)))
1332 case RK_FBIOSET_OVERLAY_STATE:
1333 if (copy_from_user(&ovl, argp, sizeof(ovl)))
1335 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
1337 case RK_FBIOGET_OVERLAY_STATE:
1338 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
1339 if (copy_to_user(argp, &ovl, sizeof(ovl)))
1342 case RK_FBIOPUT_NUM_BUFFERS:
1343 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
1345 dev_drv->num_buf = num_buf;
1347 case RK_FBIOSET_VSYNC_ENABLE:
1348 if (copy_from_user(&enable, argp, sizeof(enable)))
1350 dev_drv->vsync_info.active = enable;
1353 case RK_FBIOGET_DSP_ADDR:
1354 dev_drv->ops->get_dsp_addr(dev_drv,dsp_addr);
1355 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
1358 case RK_FBIOGET_LIST_STAT:
1359 list_stat = rk_fb_get_list_stat(dev_drv);
1360 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
1365 #if defined(CONFIG_ION_ROCKCHIP)
1366 case RK_FBIOSET_DMABUF_FD:
1369 struct ion_handle *hdl;
1370 ion_phys_addr_t phy_addr;
1372 if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
1374 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
1375 ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
1376 fix->smem_start = phy_addr;
1379 case RK_FBIOGET_DMABUF_FD:
1381 int fd = ion_share_dma_buf_fd(rk_fb->ion_client, win->area[0].ion_hdl);
1383 dev_err(info->dev, "ion_share_dma_buf_fd failed\n");
1386 if (copy_to_user(argp, &fd, sizeof(fd)))
1391 case RK_FBIOSET_CONFIG_DONE:
1392 if(copy_from_user(&win_data,
1393 (struct rk_fb_win_cfg_data __user *)argp,
1399 dev_drv->wait_fs = win_data.wait_fs;
1400 rk_fb_set_win_config(info,&win_data);
1402 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
1404 sizeof(win_data))) {
1408 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
1410 if (rk_fb->disp_mode == DUAL) {
1411 if (extend_win->state && (hdmi_switch_complete)) {
1412 if (rk_fb->num_fb >= 2) {
1413 if (extend_dev_drv->ops->lcdc_reg_update)
1414 extend_dev_drv->ops->lcdc_reg_update(extend_dev_drv);
1420 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
1427 static int rk_fb_blank(int blank_mode, struct fb_info *info)
1429 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1430 struct fb_fix_screeninfo *fix = &info->fix;
1432 #if defined(CONFIG_RK_HDMI)
1433 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1436 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
1439 #if defined(CONFIG_RK_HDMI)
1440 if ((rk_fb->disp_mode == ONE_DUAL) && (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
1441 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
1445 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
1450 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
1453 if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
1454 (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
1455 ((16 != var->bits_per_pixel) && (32 != var->bits_per_pixel))) {
1456 dev_err(info->dev, "%s check var fail 1:\n"
1457 "xres_vir:%d>>yres_vir:%d\n"
1458 "xres:%d>>yres:%d\n"
1459 "bits_per_pixel:%d\n",
1465 var->bits_per_pixel);
1469 if (((var->xoffset+var->xres) > var->xres_virtual) ||
1470 ((var->yoffset+var->yres) > (var->yres_virtual))) {
1471 dev_err(info->dev, "%s check_var fail 2:\n"
1472 "xoffset:%d>>xres:%d>>xres_vir:%d\n"
1473 "yoffset:%d>>yres:%d>>yres_vir:%d\n",
1487 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
1488 size_t count, loff_t *ppos)
1490 unsigned long p = *ppos;
1493 int c, cnt = 0, err = 0;
1494 unsigned long total_size;
1495 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1496 struct rk_lcdc_win *win = NULL;
1500 list_empty = rk_fb_get_list_stat(dev_drv);
1501 printk("list_empty=%d\n",list_empty);
1503 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1507 win = dev_drv->win[win_id];
1509 if (win->format == RGB565)
1510 total_size = win->area[0].xact*win->area[0].yact<<1; /*only read the current frame buffer*/
1512 total_size = win->area[0].xact*win->area[0].yact<<2;
1515 if (p >= total_size)
1518 if (count >= total_size)
1521 if (count + p > total_size)
1522 count = total_size - p;
1524 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count,
1529 src = (u8 __iomem *) (info->screen_base + p + win->area[0].y_offset);
1532 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
1534 fb_memcpy_fromfb(dst, src, c);
1538 if (copy_to_user(buf, buffer, c)) {
1550 return (err) ? err : cnt;
1553 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
1554 size_t count, loff_t *ppos)
1556 unsigned long p = *ppos;
1559 int c, cnt = 0, err = 0;
1560 unsigned long total_size;
1561 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1562 struct rk_lcdc_win *win = NULL;
1565 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1569 win = dev_drv->win[win_id];
1571 if (win->format == RGB565)
1572 total_size = win->area[0].xact*win->area[0].yact<<1; /*write the current frame buffer*/
1574 total_size = win->area[0].xact*win->area[0].yact<<2;
1579 if (count > total_size) {
1584 if (count + p > total_size) {
1588 count = total_size - p;
1591 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count,
1596 dst = (u8 __iomem *) (info->screen_base + p + win->area[0].y_offset);
1599 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
1602 if (copy_from_user(src, buf, c)) {
1607 fb_memcpy_tofb(dst, src, c);
1618 return (cnt) ? cnt : err;
1622 static int rk_fb_set_par(struct fb_info *info)
1624 struct fb_var_screeninfo *var = &info->var;
1625 struct fb_fix_screeninfo *fix = &info->fix;
1626 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1627 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1628 int fb_id, extend_win_id = 0;
1629 struct fb_info *extend_info = NULL;
1630 struct rk_lcdc_driver *extend_dev_drv = NULL;
1631 struct rk_lcdc_win *extend_win = NULL;
1632 struct rk_lcdc_win *win = NULL;
1633 struct rk_screen *screen = dev_drv->cur_screen;
1635 u32 cblen = 0, crlen = 0;
1636 u16 xsize = 0, ysize = 0; /*winx display window height/width --->LCDC_WINx_DSP_INFO*/
1637 u32 xoffset = var->xoffset; /* offset from virtual to visible*/
1638 u32 yoffset = var->yoffset;
1639 u16 xpos = (var->nonstd>>8) & 0xfff; /*visiable pos in panel*/
1640 u16 ypos = (var->nonstd>>20) & 0xfff;
1641 u32 xvir = var->xres_virtual;
1642 u32 yvir = var->yres_virtual;
1643 u8 data_format = var->nonstd&0xff;
1647 u32 stride,uv_stride;
1650 u32 stride_128bit_1;
1651 u32 stride_128bit_2;
1652 u16 uv_x_off,uv_y_off;
1655 var->pixclock = dev_drv->pixclock;
1656 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1660 win = dev_drv->win[win_id];
1661 if (rk_fb->disp_mode == DUAL) {
1662 fb_id = get_extend_fb_id(info);
1663 extend_info = rk_fb->fb[(rk_fb->num_fb>>1) + fb_id];
1664 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
1665 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
1666 extend_info->fix.id);
1667 extend_win = extend_dev_drv->win[extend_win_id];
1669 if (var->grayscale>>8) { /*if the application has specific the horizontal and vertical display size*/
1670 xsize = (var->grayscale>>8) & 0xfff;
1671 ysize = (var->grayscale>>20) & 0xfff;
1672 } else { /*ohterwise full screen display*/
1673 xsize = screen->mode.xres;
1674 ysize = screen->mode.yres;
1677 /*this is for device like rk2928 ,whic have one lcdc but two display outputs*/
1678 /*save winameter set by android*/
1679 if (rk_fb->disp_mode != DUAL) {
1680 if (screen->screen_id == 0) {
1682 dev_drv->screen0->xsize = xsize;
1683 dev_drv->screen0->ysize = ysize;
1684 dev_drv->screen0->xpos = xpos;
1685 dev_drv->screen0->ypos = ypos;
1687 xsize = dev_drv->screen1->xsize;
1688 ysize = dev_drv->screen1->ysize;
1689 xpos = dev_drv->screen1->xpos;
1690 ypos = dev_drv->screen1->ypos;
1694 fb_data_fmt = rk_fb_data_fmt(data_format,var->bits_per_pixel);
1695 pixel_width = rk_fb_pixel_width(fb_data_fmt);
1696 vir_width_bit = pixel_width * xvir;
1697 stride_128bit_1 = ((vir_width_bit + 127) & (~127))/8; //pixel_width = byte_num *8
1698 stride_128bit_2 = ((vir_width_bit*2 + 127) & (~127))/8; //pixel_width = byte_num *8
1699 stride_32bit_1 = ((vir_width_bit + 31 ) & (~31 ))/8; //pixel_width = byte_num *8
1700 stride_32bit_2 = ((vir_width_bit*2 + 31 ) & (~31 ))/8; //pixel_width = byte_num *8
1702 stride = stride_32bit_1;//default rgb
1703 fix->line_length = stride;
1705 switch (fb_data_fmt){
1708 stride = stride_32bit_1;
1709 uv_stride = stride_32bit_1>> 1 ;//
1710 uv_x_off = xoffset >> 1 ;//
1711 uv_y_off = yoffset;//0
1712 fix->line_length = stride;
1713 cblen = crlen = (xvir*yvir)>>1;
1717 stride = stride_32bit_1;
1718 uv_stride = stride_32bit_1;
1720 uv_y_off = yoffset >> 1;
1721 fix->line_length = stride;
1722 cblen = crlen = (xvir*yvir)>>2;
1726 stride = stride_32bit_1;
1727 uv_stride = stride_32bit_2;
1728 uv_x_off = xoffset*2;
1730 fix->line_length = stride<<2;
1731 cblen = crlen = (xvir*yvir);
1737 // x y mirror ,jump line
1738 win->area[0].y_offset = yoffset*stride+xoffset*pixel_width/8;
1739 if(is_pic_yuv == 1){
1740 win->area[0].c_offset = uv_y_off*uv_stride+uv_x_off*pixel_width/8;
1742 win->format = fb_data_fmt;
1743 win->area[0].y_vir_stride = stride>>2;
1744 win->area[0].uv_vir_stride = uv_stride>>2;
1745 win->area[0].xpos = xpos;
1746 win->area[0].ypos = ypos;
1747 win->area[0].xsize = xsize;
1748 win->area[0].ysize = ysize;
1750 win->area[0].smem_start = fix->smem_start;
1751 win->area[0].cbr_start = fix->smem_start+stride*yvir;//fix->mmio_start;
1752 win->area[0].xact = var->xres; /*winx active window height,is a wint of vir*/
1753 win->area[0].yact = var->yres;
1754 win->area[0].xvir = var->xres_virtual; /*virtual resolution stride --->LCDC_WINx_VIR*/
1755 win->area[0].yvir = var->yres_virtual;
1757 win->area[0].state=1;
1760 if (rk_fb->disp_mode == DUAL) {
1761 if (extend_win->state && (hdmi_switch_complete)) {
1762 if (info != extend_info) {
1763 if (win->area[0].xact < win->area[0].yact) {
1764 //extend_win->xact = win->area[0].yact;
1765 extend_win->area[0].xact = win->area[0].yact;
1766 extend_win->area[0].yact = win->area[0].xact;
1767 extend_win->area[0].xvir = win->area[0].yact;
1768 extend_info->var.xres = var->yres;
1769 extend_info->var.yres = var->xres;
1770 extend_info->var.xres_virtual = var->yres;
1772 extend_win->area[0].xact = win->area[0].xact;
1773 extend_win->area[0].yact = win->area[0].yact;
1774 extend_win->area[0].xvir = win->area[0].xvir;
1775 extend_info->var.xres = var->xres;
1776 extend_info->var.yres = var->yres;
1777 extend_info->var.xres_virtual = var->xres_virtual;
1779 extend_win->format = win->format;
1780 extend_info->var.nonstd &= 0xffffff00;
1781 extend_info->var.nonstd |= data_format;
1782 extend_dev_drv->ops->set_par(extend_dev_drv, extend_win_id);
1786 dev_drv->ops->set_par(dev_drv, win_id);
1791 static inline unsigned int chan_to_field(unsigned int chan,
1792 struct fb_bitfield *bf)
1795 chan >>= 16 - bf->length;
1796 return chan << bf->offset;
1799 static int fb_setcolreg(unsigned regno,
1800 unsigned red, unsigned green, unsigned blue,
1801 unsigned transp, struct fb_info *info)
1805 switch (info->fix.visual) {
1806 case FB_VISUAL_TRUECOLOR:
1807 /* true-colour, use pseudo-palette */
1809 u32 *pal = info->pseudo_palette;
1810 val = chan_to_field(red, &info->var.red);
1811 val |= chan_to_field(green, &info->var.green);
1812 val |= chan_to_field(blue, &info->var.blue);
1817 return -1; /* unknown type */
1823 static struct fb_ops fb_ops = {
1824 .owner = THIS_MODULE,
1825 .fb_open = rk_fb_open,
1826 .fb_release = rk_fb_close,
1827 .fb_check_var = rk_fb_check_var,
1828 .fb_set_par = rk_fb_set_par,
1829 .fb_blank = rk_fb_blank,
1830 .fb_ioctl = rk_fb_ioctl,
1831 .fb_pan_display = rk_pan_display,
1832 .fb_read = rk_fb_read,
1833 .fb_write = rk_fb_write,
1834 .fb_setcolreg = fb_setcolreg,
1835 .fb_fillrect = cfb_fillrect,
1836 .fb_copyarea = cfb_copyarea,
1837 .fb_imageblit = cfb_imageblit,
1842 static struct fb_var_screeninfo def_var = {
1843 #if defined(CONFIG_LOGO_LINUX_BMP)
1847 .transp = {0, 0, 0},
1848 .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
1853 .transp = {0, 0, 0},
1854 .nonstd = HAL_PIXEL_FORMAT_RGB_565, /*(ypos<<20+xpos<<8+format) format*/
1856 .grayscale = 0, /*(ysize<<20+xsize<<8)*/
1857 .activate = FB_ACTIVATE_NOW,
1859 .vmode = FB_VMODE_NONINTERLACED,
1862 static struct fb_fix_screeninfo def_fix = {
1863 .type = FB_TYPE_PACKED_PIXELS,
1868 .accel = FB_ACCEL_NONE,
1869 .visual = FB_VISUAL_TRUECOLOR,
1874 static int rk_fb_wait_for_vsync_thread(void *data)
1876 struct rk_lcdc_driver *dev_drv = data;
1877 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1878 struct fb_info *fbi = rk_fb->fb[0];
1880 while (!kthread_should_stop()) {
1881 ktime_t timestamp = dev_drv->vsync_info.timestamp;
1882 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
1883 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
1884 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
1887 sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
1893 static ssize_t rk_fb_vsync_show(struct device *dev,
1894 struct device_attribute *attr, char *buf)
1896 struct fb_info *fbi = dev_get_drvdata(dev);
1897 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
1898 return scnprintf(buf, PAGE_SIZE, "%llu\n",
1899 ktime_to_ns(dev_drv->vsync_info.timestamp));
1902 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
1905 /*****************************************************************
1906 this two function is for other module that in the kernel which
1907 need show image directly through fb
1908 fb_id:we have 4 fb here,default we use fb0 for ui display
1909 *******************************************************************/
1910 struct fb_info *rk_get_fb(int fb_id)
1912 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1913 struct fb_info *fb = inf->fb[fb_id];
1916 EXPORT_SYMBOL(rk_get_fb);
1918 void rk_direct_fb_show(struct fb_info *fbi)
1921 rk_pan_display(&fbi->var, fbi);
1923 EXPORT_SYMBOL(rk_direct_fb_show);
1926 static int set_xact_yact_for_hdmi(struct fb_var_screeninfo *pmy_var,
1927 struct fb_var_screeninfo *hdmi_var)
1929 if (pmy_var->xres < pmy_var->yres) { /*vertical lcd screen*/
1930 hdmi_var->xres = pmy_var->yres;
1931 hdmi_var->yres = pmy_var->xres;
1932 hdmi_var->xres_virtual = pmy_var->yres;
1934 hdmi_var->xres = pmy_var->xres;
1935 hdmi_var->yres = pmy_var->yres;
1936 hdmi_var->xres_virtual = pmy_var->xres_virtual;
1942 int rk_fb_dpi_open(bool open)
1944 struct rk_lcdc_driver *dev_drv = NULL;
1945 dev_drv = rk_get_prmry_lcdc_drv();
1946 dev_drv->ops->dpi_open(dev_drv, open);
1950 int rk_fb_dpi_win_sel(int win_id)
1952 struct rk_lcdc_driver *dev_drv = NULL;
1953 dev_drv = rk_get_prmry_lcdc_drv();
1954 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
1958 int rk_fb_dpi_status(void)
1961 struct rk_lcdc_driver *dev_drv = NULL;
1962 dev_drv = rk_get_prmry_lcdc_drv();
1963 ret = dev_drv->ops->dpi_status(dev_drv);
1968 /******************************************
1969 *function:this function will be called by hdmi,when
1971 *screen: the screen attached to hdmi
1972 *enable: 1,hdmi plug in,0,hdmi plug out
1973 *lcdc_id: the lcdc id the hdmi attached ,0 or 1
1974 ******************************************/
1975 int rk_fb_switch_screen(struct rk_screen *screen , int enable, int lcdc_id)
1977 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1978 struct fb_info *info = NULL;
1979 struct rk_lcdc_driver *dev_drv = NULL;
1980 struct fb_var_screeninfo *hdmi_var = NULL;
1981 struct fb_var_screeninfo *pmy_var = NULL; /*var for primary screen*/
1982 struct fb_info *pmy_info = NULL;
1983 struct fb_fix_screeninfo *pmy_fix = NULL;
1985 struct fb_fix_screeninfo *hdmi_fix = NULL;
1990 //if (rk_fb->disp_mode != DUAL)
1991 // rk29_backlight_set(0);
1993 sprintf(name, "lcdc%d", lcdc_id);
1995 if (rk_fb->disp_mode != DUAL) {
1996 dev_drv = rk_fb->lcdc_dev_drv[0];
1999 for (i = 0; i < rk_fb->num_lcdc; i++) {
2000 if (rk_fb->lcdc_dev_drv[i]->prop == EXTEND) {
2001 dev_drv = rk_fb->lcdc_dev_drv[i];
2006 if (i == rk_fb->num_lcdc) {
2007 printk(KERN_ERR "%s driver not found!", name);
2011 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from", dev_drv->id);
2013 if (rk_fb->num_lcdc == 1)
2014 info = rk_fb->fb[0];
2015 else if (rk_fb->num_lcdc == 2)
2016 info = rk_fb->fb[dev_drv->lcdc_win_num]; /*the main fb of lcdc1*/
2018 if (dev_drv->screen1) { /*device like rk2928 ,have only one lcdc but two outputs*/
2020 memcpy(dev_drv->screen1, screen, sizeof(struct rk_screen));
2021 dev_drv->screen1->lcdc_id = 0; /*connect screen1 to output interface 0*/
2022 dev_drv->screen1->screen_id = 1;
2023 dev_drv->screen0->lcdc_id = 1; /*connect screen0 to output interface 1*/
2024 dev_drv->cur_screen = dev_drv->screen1;
2025 dev_drv->screen0->ext_screen = dev_drv->screen1;
2026 if (dev_drv->screen0->sscreen_get) {
2027 dev_drv->screen0->sscreen_get(dev_drv->screen0,
2028 dev_drv->cur_screen->hdmi_resolution);
2033 dev_drv->screen1->lcdc_id = 1; /*connect screen1 to output interface 1*/
2034 dev_drv->screen0->lcdc_id = 0; /*connect screen0 to output interface 0*/
2035 dev_drv->cur_screen = dev_drv->screen0;
2036 dev_drv->screen_ctr_info->set_screen_info(dev_drv->cur_screen,
2037 dev_drv->screen_ctr_info->lcd_info);
2041 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
2045 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2047 if (!enable && !dev_drv->screen1) { /*only double lcdc device need to close*/
2048 if (dev_drv->win[win_id]->state)
2049 dev_drv->ops->open(dev_drv, win_id, enable); /*disable the win which attached to this fb*/
2050 hdmi_switch_complete = 0;
2055 hdmi_var = &info->var;
2056 hdmi_fix = &info->fix;
2057 if (rk_fb->disp_mode == DUAL) {
2058 if (likely(rk_fb->num_lcdc == 2)) {
2059 pmy_var = &rk_fb->fb[0]->var;
2060 pmy_fix = &rk_fb->fb[0]->fix;
2061 set_xact_yact_for_hdmi(pmy_var, hdmi_var);
2062 hdmi_var->nonstd &= 0xffffff00;
2063 hdmi_var->nonstd |= (pmy_var->nonstd & 0xff); /*use the same format as primary screen*/
2065 printk(KERN_WARNING "%s>>only one lcdc,dual display no supported!", __func__);
2068 hdmi_var->grayscale &= 0xff;
2069 hdmi_var->grayscale |= (dev_drv->cur_screen->mode.xres<<8) + (dev_drv->cur_screen->mode.yres<<20);
2070 if (dev_drv->screen1) { /*device like rk2928,whic have one lcdc but two outputs*/
2071 /* info->var.nonstd &= 0xff;
2072 info->var.nonstd |= (dev_drv->cur_screen->mode.xpos<<8) + (dev_drv->cur_screen->mode.ypos<<20);
2073 info->var.grayscale &= 0xff;
2074 info->var.grayscale |= (dev_drv->cur_screen->mode.x_res<<8) + (dev_drv->cur_screen->mode.y_res<<20);*/
2075 dev_drv->screen1->xsize = dev_drv->cur_screen->mode.xres;
2076 dev_drv->screen1->ysize = dev_drv->cur_screen->mode.yres;
2077 dev_drv->screen1->xpos = 0;
2078 dev_drv->screen1->ypos = 0;
2081 ret = info->fbops->fb_open(info, 1);
2082 dev_drv->ops->load_screen(dev_drv, 1);
2083 ret = info->fbops->fb_set_par(info);
2084 if (dev_drv->ops->lcdc_hdmi_process)
2085 dev_drv->ops->lcdc_hdmi_process(dev_drv, enable);
2087 if (rk_fb->disp_mode == DUAL) {
2088 if (likely(rk_fb->num_lcdc == 2)) {
2089 pmy_info = rk_fb->fb[0];
2090 pmy_info->fbops->fb_pan_display(pmy_var, pmy_info);
2092 printk(KERN_WARNING "%s>>only one lcdc,dual display no supported!", __func__);
2095 info->fbops->fb_pan_display(hdmi_var, info);
2097 info->fbops->fb_ioctl(info, RK_FBIOSET_CONFIG_DONE, 0);
2098 if (dev_drv->screen1) {
2099 if (dev_drv->screen0->sscreen_set) {
2100 dev_drv->ops->blank(dev_drv, 0, FB_BLANK_NORMAL);
2102 dev_drv->screen0->sscreen_set(dev_drv->screen0, enable);
2103 dev_drv->ops->blank(dev_drv, 0, FB_BLANK_UNBLANK);
2107 //if (rk_fb->disp_mode != DUAL)
2108 // rk29_backlight_set(1);
2109 hdmi_switch_complete = enable;
2117 /******************************************
2118 function:this function current only called by hdmi for
2120 scale_x: scale rate of x resolution
2121 scale_y: scale rate of y resolution
2122 lcdc_id: the lcdc id the hdmi attached ,0 or 1
2123 ******************************************/
2125 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
2127 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
2128 struct fb_info *info = NULL;
2129 struct fb_var_screeninfo *var = NULL;
2130 struct rk_lcdc_driver *dev_drv = NULL;
2131 u16 screen_x, screen_y;
2136 sprintf(name, "lcdc%d", lcdc_id);
2138 #if defined(CONFIG_ONE_LCDC_DUAL_OUTPUT_INF)
2139 dev_drv = inf->lcdc_dev_drv[0];
2141 for (i = 0; i < inf->num_lcdc; i++) {
2142 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
2143 dev_drv = inf->lcdc_dev_drv[i];
2148 if (i == inf->num_lcdc) {
2149 printk(KERN_ERR "%s driver not found!", name);
2154 if (inf->num_lcdc == 1)
2156 else if (inf->num_lcdc == 2)
2157 info = inf->fb[dev_drv->lcdc_win_num];
2160 screen_x = dev_drv->cur_screen->mode.xres;
2161 screen_y = dev_drv->cur_screen->mode.yres;
2163 #if defined(CONFIG_ONE_LCDC_DUAL_OUTPUT_INF) || defined(CONFIG_NO_DUAL_DISP)
2164 if (dev_drv->cur_screen->screen_id == 1) {
2165 dev_drv->cur_screen->xpos = (screen_x-screen_x*scale_x/100)>>1;
2166 dev_drv->cur_screen->ypos = (screen_y-screen_y*scale_y/100)>>1;
2167 dev_drv->cur_screen->xsize = screen_x*scale_x/100;
2168 dev_drv->cur_screen->ysize = screen_y*scale_y/100;
2172 xpos = (screen_x-screen_x*scale_x/100)>>1;
2173 ypos = (screen_y-screen_y*scale_y/100)>>1;
2174 xsize = screen_x*scale_x/100;
2175 ysize = screen_y*scale_y/100;
2176 var->nonstd &= 0xff;
2177 var->nonstd |= (xpos<<8) + (ypos<<20);
2178 var->grayscale &= 0xff;
2179 var->grayscale |= (xsize<<8) + (ysize<<20);
2182 info->fbops->fb_set_par(info);
2183 info->fbops->fb_ioctl(info, RK_FBIOSET_CONFIG_DONE, 0);
2189 static int rk_fb_alloc_buffer(struct fb_info *fbi, int fb_id)
2191 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2192 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
2193 struct rk_lcdc_win *win = NULL;
2196 unsigned long fb_mem_size;
2197 #if defined(CONFIG_ION_ROCKCHIP)
2198 struct ion_handle *handle;
2199 ion_phys_addr_t phy_addr;
2202 dma_addr_t fb_mem_phys;
2205 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
2209 win = dev_drv->win[win_id];
2211 if (!strcmp(fbi->fix.id, "fb0")) {
2212 fb_mem_size = 3 * (fbi->var.xres * fbi->var.yres) << 2;
2213 fb_mem_size = ALIGN(fb_mem_size, SZ_1M);
2214 #if defined(CONFIG_ION_ROCKCHIP)
2215 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0, ION_HEAP(ION_CMA_HEAP_ID), 0);
2216 if (IS_ERR(handle)) {
2217 dev_err(fbi->device, "failed to ion_alloc:%ld\n",PTR_ERR(handle));
2220 win->area[0].ion_hdl = handle;
2221 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
2222 ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
2223 fbi->fix.smem_start = phy_addr;
2224 fbi->fix.smem_len = len;
2225 printk("alloc_buffer:smem_start=0x%x\n",phy_addr);
2228 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size, &fb_mem_phys,
2231 pr_err("%s: Failed to allocate framebuffer\n", __func__);
2234 fbi->fix.smem_len = fb_mem_size;
2235 fbi->fix.smem_start = fb_mem_phys;
2236 fbi->screen_base = fb_mem_virt;
2238 memset(fbi->screen_base, 0, fbi->fix.smem_len);
2239 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
2240 fbi->fix.smem_start, fbi->screen_base, fbi->fix.smem_len);
2242 #if defined(CONFIG_FB_ROTATE) || !defined(CONFIG_THREE_FB_BUFFER)
2243 res = platform_get_resource_byname(fb_pdev,
2244 IORESOURCE_MEM, "fb2 buf");
2246 dev_err(&fb_pdev->dev, "failed to get win0 memory \n");
2249 fbi->fix.smem_start = res->start;
2250 fbi->fix.smem_len = res->end - res->start + 1;
2251 mem = request_mem_region(res->start, resource_size(res),
2253 fbi->screen_base = ioremap(res->start, fbi->fix.smem_len);
2254 memset(fbi->screen_base, 0, fbi->fix.smem_len);
2255 #else /*three buffer no need to copy*/
2256 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
2257 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
2258 fbi->screen_base = rk_fb->fb[0]->screen_base;
2260 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
2261 fbi->fix.smem_start, fbi->screen_base, fbi->fix.smem_len);
2264 fbi->screen_size = fbi->fix.smem_len;
2265 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
2267 win = dev_drv->win[win_id];
2268 win->reserved = fbi->fix.smem_start;
2274 static int rk_release_fb_buffer(struct fb_info *fbi)
2276 if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3")) /*buffer for fb1 and fb3 are alloc by android*/
2278 iounmap(fbi->screen_base);
2279 release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
2283 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv, struct rk_lcdc_win *def_win)
2286 int lcdc_win_num = dev_drv->lcdc_win_num;
2287 for (i = 0; i < lcdc_win_num; i++) {
2288 struct rk_lcdc_win *win = NULL;
2289 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
2291 dev_err(dev_drv->dev, "kzmalloc for win fail!");
2295 strcpy(win->name, def_win->name);
2296 win->id = def_win->id;
2297 win->support_3d = def_win->support_3d;
2298 dev_drv->win[i] = win;
2305 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
2306 struct rk_lcdc_win *def_win, int index)
2308 struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
2309 struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
2310 sizeof(struct rk_screen), GFP_KERNEL);
2312 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
2317 screen->screen_id = 0;
2318 screen->lcdc_id = dev_drv->id;
2319 dev_drv->screen0 = screen;
2320 dev_drv->cur_screen = screen;
2321 /* devie use one lcdc + rk61x scaler for dual display*/
2322 if (rk_fb->disp_mode == ONE_DUAL) {
2323 struct rk_screen *screen1 = devm_kzalloc(dev_drv->dev,
2324 sizeof(struct rk_screen), GFP_KERNEL);
2326 dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
2330 screen1->screen_id = 1;
2331 screen1->lcdc_id = 1;
2332 dev_drv->screen1 = screen1;
2334 sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
2335 init_lcdc_win(dev_drv, def_win);
2336 init_completion(&dev_drv->frame_done);
2337 spin_lock_init(&dev_drv->cpl_lock);
2338 mutex_init(&dev_drv->fb_win_id_mutex);
2339 dev_drv->ops->fb_win_remap(dev_drv, FB_DEFAULT_ORDER);
2340 dev_drv->first_frame = 1;
2341 rk_disp_pwr_ctr_parse_dt(dev_drv);
2342 rk_disp_prase_timing_dt(dev_drv);
2347 #ifdef CONFIG_LOGO_LINUX_BMP
2348 static struct linux_logo *bmp_logo;
2349 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
2351 bmp_logo = fb_find_logo(24);
2352 if (bmp_logo == NULL) {
2353 printk(KERN_INFO "%s error\n", __func__);
2359 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
2361 unsigned char *src = bmp_logo->data;
2362 unsigned char *dst = info->screen_base;
2364 unsigned int Needwidth = (*(src-24)<<8) | (*(src-23));
2365 unsigned int Needheight = (*(src-22)<<8) | (*(src-21));
2367 for (i = 0; i < Needheight; i++)
2368 memcpy(dst+info->var.xres*i*4,
2369 src+bmp_logo->width*i*4, Needwidth*4);
2374 /********************************
2375 *check if the primary lcdc has registerd,
2376 the primary lcdc mas register first
2377 *********************************/
2378 bool is_prmry_rk_lcdc_registered(void)
2380 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2381 if (rk_fb->lcdc_dev_drv[0])
2388 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
2389 struct rk_lcdc_win *win, int id)
2391 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2392 struct fb_info *fbi;
2393 int i = 0, ret = 0, index = 0;
2395 if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
2398 for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
2399 if (!rk_fb->lcdc_dev_drv[i]) {
2400 rk_fb->lcdc_dev_drv[i] = dev_drv;
2401 rk_fb->lcdc_dev_drv[i]->id = id;
2408 init_lcdc_device_driver(rk_fb, win, index);
2409 dev_drv->fb_index_base = rk_fb->num_fb;
2410 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2411 fbi = framebuffer_alloc(0, &fb_pdev->dev);
2413 dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
2419 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
2420 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
2421 fbi->var.grayscale |= (fbi->var.xres<<8) + (fbi->var.yres<<20);
2422 #if defined(CONFIG_LOGO_LINUX_BMP)
2423 fbi->var.bits_per_pixel = 32;
2425 fbi->var.bits_per_pixel = 16;
2427 fbi->fix.line_length = (fbi->var.xres)*(fbi->var.bits_per_pixel>>3);
2428 fbi->var.width = dev_drv->cur_screen->width;
2429 fbi->var.height = dev_drv->cur_screen->height;
2430 fbi->var.pixclock = dev_drv->pixclock;
2431 fbi->fbops = &fb_ops;
2432 fbi->flags = FBINFO_FLAG_DEFAULT;
2433 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
2434 if (i == 0) /* only alloc memory for main fb*/
2435 rk_fb_alloc_buffer(fbi, rk_fb->num_fb);
2436 ret = register_framebuffer(fbi);
2438 dev_err(&fb_pdev->dev, "%s fb%d register_framebuffer fail!\n",
2439 __func__, rk_fb->num_fb);
2442 rkfb_create_sysfs(fbi);
2443 rk_fb->fb[rk_fb->num_fb] = fbi;
2444 dev_info(&fb_pdev->dev, "rockchip framebuffer registerd:%s\n",
2449 init_waitqueue_head(&dev_drv->vsync_info.wait);
2450 ret = device_create_file(fbi->dev, &dev_attr_vsync);
2452 dev_err(fbi->dev, "failed to create vsync file\n");
2453 dev_drv->vsync_info.thread = kthread_run(rk_fb_wait_for_vsync_thread,
2454 dev_drv, "fb-vsync");
2455 if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
2456 dev_err(fbi->dev, "failed to run vsync thread\n");
2457 dev_drv->vsync_info.thread = NULL;
2459 dev_drv->vsync_info.active = 1;
2461 mutex_init(&dev_drv->output_lock);
2463 INIT_LIST_HEAD(&dev_drv->update_regs_list);
2464 mutex_init(&dev_drv->update_regs_list_lock);
2465 init_kthread_worker(&dev_drv->update_regs_worker);
2467 dev_drv->update_regs_thread = kthread_run(kthread_worker_fn,
2468 &dev_drv->update_regs_worker, "rk-fb");
2469 if (IS_ERR(dev_drv->update_regs_thread)) {
2470 int err = PTR_ERR(dev_drv->update_regs_thread);
2471 dev_drv->update_regs_thread = NULL;
2473 printk("failed to run update_regs thread\n");
2476 init_kthread_work(&dev_drv->update_regs_work, rk_fb_update_regs_handler);
2478 dev_drv->timeline = sw_sync_timeline_create("fb-timeline"); dev_drv->timeline_max = 1;
2483 /*show logo for primary display device*/
2484 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO)
2485 if (dev_drv->prop == PRMRY) {
2486 struct fb_info *main_fbi = rk_fb->fb[0];
2487 main_fbi->fbops->fb_open(main_fbi, 1);
2488 main_fbi->fbops->fb_set_par(main_fbi);
2489 #if defined(CONFIG_LOGO_LINUX_BMP)
2490 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
2491 fb_set_cmap(&main_fbi->cmap, main_fbi);
2492 fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
2493 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
2496 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
2497 fb_set_cmap(&main_fbi->cmap, main_fbi);
2498 fb_show_logo(main_fbi, FB_ROTATE_UR);
2499 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
2502 //main_fbi->fbops->fb_ioctl(main_fbi, RK_FBIOSET_CONFIG_DONE, 0);
2503 main_fbi->fbops->fb_set_par(main_fbi);
2512 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
2515 struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
2516 struct fb_info *fbi;
2517 int fb_index_base = dev_drv->fb_index_base;
2518 int fb_num = dev_drv->lcdc_win_num;
2521 if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
2522 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
2523 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
2526 for (i = 0; i < fb_num; i++)
2527 kfree(dev_drv->win[i]);
2529 for (i = fb_index_base; i < (fb_index_base+fb_num); i++) {
2530 fbi = fb_inf->fb[i];
2531 unregister_framebuffer(fbi);
2532 /*rk_release_fb_buffer(fbi);*/
2533 framebuffer_release(fbi);
2535 fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
2543 #if defined(CONFIG_HAS_EARLYSUSPEND)
2544 struct suspend_info {
2545 struct early_suspend early_suspend;
2549 static void rkfb_early_suspend(struct early_suspend *h)
2551 struct suspend_info *info = container_of(h, struct suspend_info,
2553 struct rk_fb *inf = info->inf;
2555 for (i = 0; i < inf->num_lcdc; i++) {
2556 if (!inf->lcdc_dev_drv[i])
2558 inf->lcdc_dev_drv[i]->suspend(inf->lcdc_dev_drv[i]);
2561 static void rkfb_early_resume(struct early_suspend *h)
2563 struct suspend_info *info = container_of(h, struct suspend_info,
2565 struct rk_fb *inf = info->inf;
2567 for (i = 0; i < inf->num_lcdc; i++) {
2568 if (!inf->lcdc_dev_drv[i])
2570 inf->lcdc_dev_drv[i]->resume(inf->lcdc_dev_drv[i]);
2577 static struct suspend_info suspend_info = {
2578 .early_suspend.suspend = rkfb_early_suspend,
2579 .early_suspend.resume = rkfb_early_resume,
2580 .early_suspend.level = EARLY_SUSPEND_LEVEL_DISABLE_FB,
2584 static int rk_fb_probe(struct platform_device *pdev)
2586 struct rk_fb *rk_fb = NULL;
2587 struct device_node *np = pdev->dev.of_node;
2591 dev_err(&pdev->dev, "Missing device tree node.\n");
2595 rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
2597 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
2600 platform_set_drvdata(pdev, rk_fb);
2602 if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
2603 rk_fb->disp_mode = mode;
2606 dev_err(&pdev->dev, "no disp-mode node found!");
2609 dev_set_name(&pdev->dev, "rockchip-fb");
2610 #if defined(CONFIG_ION_ROCKCHIP)
2611 rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
2612 if (IS_ERR(rk_fb->ion_client)) {
2613 dev_err(&pdev->dev, "failed to create ion client for rk fb");
2614 return PTR_ERR(rk_fb->ion_client);
2616 dev_info(&pdev->dev, "rk fb ion client create success!\n");
2620 #if defined(CONFIG_HAS_EARLYSUSPEND)
2621 suspend_info.inf = rk_fb;
2622 register_early_suspend(&suspend_info.early_suspend);
2625 dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
2629 static int rk_fb_remove(struct platform_device *pdev)
2631 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
2633 platform_set_drvdata(pdev, NULL);
2637 static void rk_fb_shutdown(struct platform_device *pdev)
2639 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
2641 for (i = 0; i < rk_fb->num_lcdc; i++) {
2642 if (!rk_fb->lcdc_dev_drv[i])
2647 #if defined(CONFIG_HAS_EARLYSUSPEND)
2648 unregister_early_suspend(&suspend_info.early_suspend);
2653 static const struct of_device_id rkfb_dt_ids[] = {
2654 { .compatible = "rockchip,rk-fb", },
2658 static struct platform_driver rk_fb_driver = {
2659 .probe = rk_fb_probe,
2660 .remove = rk_fb_remove,
2663 .owner = THIS_MODULE,
2664 .of_match_table = of_match_ptr(rkfb_dt_ids),
2666 .shutdown = rk_fb_shutdown,
2669 static int __init rk_fb_init(void)
2671 return platform_driver_register(&rk_fb_driver);
2674 static void __exit rk_fb_exit(void)
2676 platform_driver_unregister(&rk_fb_driver);
2679 subsys_initcall_sync(rk_fb_init);
2680 module_exit(rk_fb_exit);