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)
90 if(bits_per_pixel == 0){
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;
133 /* rk display power control parse from dts
136 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
138 struct device_node *root = of_parse_phandle(dev_drv->dev->of_node,
140 struct device_node *child;
141 struct rk_disp_pwr_ctr_list *pwr_ctr;
142 struct list_head *pos;
143 enum of_gpio_flags flags;
148 INIT_LIST_HEAD(&dev_drv->pwrlist_head);
150 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",dev_drv->id);
154 for_each_child_of_node(root, child) {
155 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list), GFP_KERNEL);
156 strcpy(pwr_ctr->pwr_ctr.name, child->name);
157 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
159 pwr_ctr->pwr_ctr.type = GPIO;
160 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
161 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
162 dev_err(dev_drv->dev, "%s ivalid gpio\n", child->name);
165 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
166 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,child->name);
168 dev_err(dev_drv->dev, "request %s gpio fail:%d\n",
173 pwr_ctr->pwr_ctr.type = REGULATOR;
177 of_property_read_u32(child, "rockchip,delay", &val);
178 pwr_ctr->pwr_ctr.delay = val;
179 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
182 of_property_read_u32(root, "rockchip,debug", &debug);
185 list_for_each(pos, &dev_drv->pwrlist_head) {
186 pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list, list);
187 printk(KERN_INFO "pwr_ctr_name:%s\n"
192 pwr_ctr->pwr_ctr.name,
193 (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
194 pwr_ctr->pwr_ctr.gpio,
195 pwr_ctr->pwr_ctr.atv_val,
196 pwr_ctr->pwr_ctr.delay);
204 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
206 struct list_head *pos;
207 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
208 struct pwr_ctr *pwr_ctr;
209 if (list_empty(&dev_drv->pwrlist_head))
211 list_for_each(pos, &dev_drv->pwrlist_head) {
212 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list, list);
213 pwr_ctr = &pwr_ctr_list->pwr_ctr;
214 if (pwr_ctr->type == GPIO) {
215 gpio_direction_output(pwr_ctr->gpio,pwr_ctr->atv_val);
216 mdelay(pwr_ctr->delay);
223 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
225 struct list_head *pos;
226 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
227 struct pwr_ctr *pwr_ctr;
228 if (list_empty(&dev_drv->pwrlist_head))
230 list_for_each(pos, &dev_drv->pwrlist_head) {
231 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list, list);
232 pwr_ctr = &pwr_ctr_list->pwr_ctr;
233 if (pwr_ctr->type == GPIO) {
234 gpio_set_value(pwr_ctr->gpio,pwr_ctr->atv_val);
241 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
242 struct rk_screen *screen)
244 screen->mode.pixclock = dt->pixelclock.typ;
245 screen->mode.left_margin = dt->hback_porch.typ;
246 screen->mode.right_margin = dt->hfront_porch.typ;
247 screen->mode.xres = dt->hactive.typ;
248 screen->mode.hsync_len = dt->hsync_len.typ;
249 screen->mode.upper_margin = dt->vback_porch.typ;
250 screen->mode.lower_margin = dt->vfront_porch.typ;
251 screen->mode.yres = dt->vactive.typ;
252 screen->mode.vsync_len = dt->vsync_len.typ;
253 screen->type = dt->screen_type;
254 screen->lvds_format = dt->lvds_format;
255 screen->face = dt->face;
256 if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
257 screen->pin_dclk = 1;
259 screen->pin_dclk = 0;
260 if(dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
261 screen->pin_hsync = 1;
263 screen->pin_hsync = 0;
264 if(dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
265 screen->pin_vsync = 1;
267 screen->pin_vsync = 0;
268 if(dt->flags & DISPLAY_FLAGS_DE_HIGH)
276 int rk_disp_prase_timing_dt(struct rk_lcdc_driver *dev_drv)
278 struct display_timings *disp_timing;
279 struct display_timing *dt;
280 struct rk_screen *screen = dev_drv->cur_screen;
281 disp_timing = of_get_display_timings(dev_drv->dev->of_node);
283 dev_err(dev_drv->dev, "parse display timing err\n");
286 dt = display_timings_get(disp_timing, 0);
287 rk_fb_video_mode_from_timing(dt, screen);
288 printk(KERN_DEBUG "dclk:%d\n"
300 dt->hfront_porch.typ,
304 dt->vfront_porch.typ,
310 int rk_fb_calc_fps(struct rk_screen * screen, u32 pixclock)
313 unsigned long long hz;
315 printk(KERN_ERR "%s:null screen!\n", __func__);
318 x = screen->mode.xres + screen->mode.left_margin + screen->mode.right_margin +
319 screen->mode.hsync_len;
320 y = screen->mode.yres + screen->mode.upper_margin + screen->mode.lower_margin +
321 screen->mode.vsync_len;
323 hz = 1000000000000ULL; /* 1e12 picoseconds per second */
326 do_div(hz, x * y); /* divide by x * y with rounding */
329 do_div(hz, pixclock); /* divide by pixclock with rounding */
334 char *get_format_string(enum data_format format, char *fmt)
340 strcpy(fmt, "ARGB888");
343 strcpy(fmt, "RGB888");
346 strcpy(fmt, "RGB565");
349 strcpy(fmt, "YUV420");
352 strcpy(fmt, "YUV422");
355 strcpy(fmt, "YUV444");
358 strcpy(fmt, "XRGB888");
361 strcpy(fmt, "XBGR888");
364 strcpy(fmt, "XBGR888");
367 strcpy(fmt, "invalid");
377 /**********************************************************************
379 name: lcdc device name ,lcdc0 , lcdc1
380 ***********************************************************************/
381 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
383 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
385 for (i = 0; i < inf->num_lcdc; i++) {
386 if (!strcmp(inf->lcdc_dev_drv[i]->name, name))
389 return inf->lcdc_dev_drv[i];
393 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
395 struct rk_fb *inf = NULL;
396 struct rk_lcdc_driver *dev_drv = NULL;
400 inf = platform_get_drvdata(fb_pdev);
404 for (i = 0; i < inf->num_lcdc; i++) {
405 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
406 dev_drv = inf->lcdc_dev_drv[i];
415 int rk_fb_get_prmry_screen_ft(void)
417 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
418 uint32_t htotal, vtotal, pix_total, ft_us, dclk_mhz;
420 if (unlikely(!dev_drv))
423 dclk_mhz = dev_drv->pixclock/(1000*1000);
425 htotal = (dev_drv->cur_screen->mode.upper_margin + dev_drv->cur_screen->mode.lower_margin +
426 dev_drv->cur_screen->mode.yres + dev_drv->cur_screen->mode.vsync_len);
427 vtotal = (dev_drv->cur_screen->mode.left_margin + dev_drv->cur_screen->mode.right_margin +
428 dev_drv->cur_screen->mode.xres + dev_drv->cur_screen->mode.hsync_len);
429 pix_total = htotal*vtotal;
430 ft_us = pix_total / dclk_mhz;
435 static struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
437 struct rk_fb *inf = NULL;
438 struct rk_lcdc_driver *dev_drv = NULL;
442 inf = platform_get_drvdata(fb_pdev);
446 for (i = 0; i < inf->num_lcdc; i++) {
447 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
448 dev_drv = inf->lcdc_dev_drv[i];
456 int rk_fb_get_prmry_screen(struct rk_screen *screen)
458 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
459 memcpy(screen, dev_drv->screen0, sizeof(struct rk_screen));
465 u32 rk_fb_get_prmry_screen_pixclock(void)
467 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
468 return dev_drv->pixclock;
471 int rk_fb_poll_prmry_screen_vblank(void)
473 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
474 if (likely(dev_drv)) {
475 if (dev_drv->ops->poll_vblank)
476 return dev_drv->ops->poll_vblank(dev_drv);
478 return RK_LF_STATUS_NC;
480 return RK_LF_STATUS_NC;
483 bool rk_fb_poll_wait_frame_complete(void)
485 uint32_t timeout = RK_LF_MAX_TIMEOUT;
486 if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC)
489 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout);
490 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout);
494 static int rk_fb_open(struct fb_info *info, int user)
496 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
499 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
500 if (dev_drv->win[win_id]->state)
501 return 0; /* if this win aready opened ,no need to reopen*/
503 dev_drv->ops->open(dev_drv, win_id, 1);
507 static int get_extend_fb_id(struct fb_info *info)
510 char *id = info->fix.id;
511 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
512 if (!strcmp(id, "fb0"))
514 else if (!strcmp(id, "fb1"))
516 else if (!strcmp(id, "fb2") && (dev_drv->lcdc_win_num > 2))
521 static int rk_fb_close(struct fb_info *info, int user)
523 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
524 struct rk_lcdc_win *win = NULL;
525 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
527 win = dev_drv->win[win_id];
528 info->fix.smem_start = win->reserved;
530 info->var.xres = dev_drv->screen0->mode.xres;
531 info->var.yres = dev_drv->screen0->mode.yres;
532 info->var.grayscale |= (info->var.xres<<8) + (info->var.yres<<20);
533 #if defined(CONFIG_LOGO_LINUX_BMP)
534 info->var.bits_per_pixel = 32;
536 info->var.bits_per_pixel = 16;
538 info->fix.line_length = (info->var.xres)*(info->var.bits_per_pixel>>3);
539 info->var.xres_virtual = info->var.xres;
540 info->var.yres_virtual = info->var.yres;
541 info->var.width = dev_drv->screen0->width;
542 info->var.height = dev_drv->screen0->height;
543 info->var.pixclock = dev_drv->pixclock;
544 info->var.left_margin = dev_drv->screen0->mode.left_margin;
545 info->var.right_margin = dev_drv->screen0->mode.right_margin;
546 info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
547 info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
548 info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
549 info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
556 #if defined(CONFIG_RK29_IPP)
557 static int get_ipp_format(int fmt)
559 int ipp_fmt = IPP_XRGB_8888;
561 case HAL_PIXEL_FORMAT_RGBX_8888:
562 case HAL_PIXEL_FORMAT_RGBA_8888:
563 case HAL_PIXEL_FORMAT_BGRA_8888:
564 case HAL_PIXEL_FORMAT_RGB_888:
565 ipp_fmt = IPP_XRGB_8888;
567 case HAL_PIXEL_FORMAT_RGB_565:
568 ipp_fmt = IPP_RGB_565;
570 case HAL_PIXEL_FORMAT_YCbCr_422_SP:
571 ipp_fmt = IPP_Y_CBCR_H2V1;
573 case HAL_PIXEL_FORMAT_YCrCb_NV12:
574 ipp_fmt = IPP_Y_CBCR_H2V2;
576 case HAL_PIXEL_FORMAT_YCrCb_444:
577 ipp_fmt = IPP_Y_CBCR_H1V1;
580 ipp_fmt = IPP_IMGTYPE_LIMIT;
587 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
588 int rotation, int fmt)
594 if (fmt == IPP_XRGB_8888) {
597 } else if (fmt == IPP_RGB_565) {
604 align16 -= 1; /*for YUV, 1*/
605 align64 -= 1; /*for YUV, 7*/
607 if (rotation == IPP_ROT_0) {
608 if (fmt > IPP_RGB_565) {
609 if ((*dst_w & 1) != 0)
611 if ((*dst_h & 1) != 0)
613 if (*dst_vir_w < *dst_w)
618 if ((*dst_w & align64) != 0)
619 *dst_w = (*dst_w+align64)&(~align64);
620 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
622 if (*dst_vir_w < *dst_w)
628 static void fb_copy_by_ipp(struct fb_info *dst_info,
629 struct fb_info *src_info, int offset)
631 struct rk29_ipp_req ipp_req;
632 uint32_t rotation = 0;
633 int dst_w, dst_h, dst_vir_w;
635 u8 data_format = (dst_info->var.nonstd)&0xff;
637 memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
638 #if defined(CONFIG_FB_ROTATE)
639 int orientation = 270 - CONFIG_ROTATE_ORIENTATION;
640 switch (orientation) {
642 rotation = IPP_ROT_0;
645 rotation = IPP_ROT_90;
648 rotation = IPP_ROT_180;
651 rotation = IPP_ROT_270;
654 rotation = IPP_ROT_270;
660 dst_w = dst_info->var.xres;
661 dst_h = dst_info->var.yres;
662 dst_vir_w = dst_info->var.xres_virtual;
663 ipp_fmt = get_ipp_format(data_format);
664 ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
665 ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
666 ipp_req.src0.w = src_info->var.xres;
667 ipp_req.src0.h = src_info->var.yres;
668 ipp_req.src_vir_w = src_info->var.xres_virtual;
669 ipp_req.src0.fmt = ipp_fmt;
671 ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
672 ipp_req.dst0.w = dst_w;
673 ipp_req.dst0.h = dst_h;
674 ipp_req.dst_vir_w = dst_vir_w;
675 ipp_req.dst0.fmt = ipp_fmt;
678 ipp_req.timeout = 100;
679 ipp_req.flag = rotation;
680 ipp_blit_sync(&ipp_req);
687 static int rk_fb_rotate(struct fb_info *dst_info,
688 struct fb_info *src_info, int offset)
690 #if defined(CONFIG_RK29_IPP)
691 fb_copy_by_ipp(dst_info, src_info, offset);
697 static int rk_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
699 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
700 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
701 struct fb_fix_screeninfo *fix = &info->fix;
702 struct fb_info *extend_info = NULL;
703 struct rk_lcdc_driver *extend_dev_drv = NULL;
704 int win_id = 0, extend_win_id = 0;
705 struct rk_lcdc_win *extend_win = NULL;
706 struct rk_lcdc_win *win = NULL;
710 u32 xoffset = var->xoffset;
711 u32 yoffset = var->yoffset;
712 u32 xvir = var->xres_virtual;
713 u32 yvir = var->yres_virtual;
714 u8 data_format = var->nonstd&0xff;
718 u32 stride,uv_stride;
723 u16 uv_x_off,uv_y_off;
726 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
730 win = dev_drv->win[win_id];
732 if (rk_fb->disp_mode == DUAL) {
733 fb_id = get_extend_fb_id(info);
734 extend_info = rk_fb->fb[(rk_fb->num_fb>>1) + fb_id];
735 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
736 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
737 extend_info->fix.id);
738 extend_win = extend_dev_drv->win[extend_win_id];
740 pixel_width = rk_fb_pixel_width(win->format);
741 vir_width_bit = pixel_width * xvir;
742 stride_128bit_1 = ((vir_width_bit + 127) & (~127))/8; //pixel_width = byte_num *8
743 stride_128bit_2 = ((vir_width_bit*2 + 127) & (~127))/8; //pixel_width = byte_num *8
744 stride_32bit_1 = ((vir_width_bit + 31 ) & (~31 ))/8; //pixel_width = byte_num *8
745 stride_32bit_2 = ((vir_width_bit*2 + 31 ) & (~31 ))/8; //pixel_width = byte_num *8
747 stride = stride_32bit_1;//default rgb
748 fix->line_length = stride;
750 switch (win->format){
753 stride = stride_32bit_1;
754 uv_stride = stride_32bit_1>> 1 ;//
755 uv_x_off = xoffset >> 1 ;//
756 uv_y_off = yoffset;//0
757 fix->line_length = stride;
761 stride = stride_32bit_1;
762 uv_stride = stride_32bit_1;
764 uv_y_off = yoffset >> 1;
765 fix->line_length = stride;
769 stride = stride_32bit_1;
770 uv_stride = stride_32bit_2;
771 uv_x_off = xoffset*2;
773 fix->line_length = stride<<2;
776 printk(KERN_ERR "%s:un supported format:0x%x\n", __func__, data_format);
780 // x y mirror ,jump line
781 win->area[0].y_offset = yoffset*stride+xoffset*pixel_width/8;
783 win->area[0].c_offset = uv_y_off*uv_stride+uv_x_off*pixel_width/8;
786 switch (win->format) {
790 win->area[0].y_offset=(yoffset*xvir + xoffset)*4;//win->y_offset = (yoffset*xvir + xoffset)*4;
793 win->area[0].y_offset = (yoffset*xvir + xoffset)*3;
796 win->area[0].y_offset = (yoffset*xvir + xoffset)*2;
799 win->area[0].y_offset = yoffset*xvir + xoffset;
800 win->area[0].c_offset = win->area[0].y_offset;
803 win->area[0].y_offset = yoffset*xvir + xoffset;
804 win->area[0].c_offset = (yoffset>>1)*xvir + xoffset;
807 win->area[0].y_offset = yoffset*xvir + xoffset;
808 win->area[0].c_offset = yoffset*2*xvir + (xoffset<<1);
811 printk(KERN_ERR "%s un supported format:0x%x\n",
812 __func__, data_format);
815 win->area[0].smem_start = fix->smem_start;
816 win->area[0].cbr_start = fix->smem_start + xvir * yvir;
818 win->area[0].state=1;
821 dev_drv->ops->pan_display(dev_drv, win_id);
822 if (rk_fb->disp_mode == DUAL) {
823 if (extend_win->state && (hdmi_switch_complete)) {
824 extend_win->area[0].y_offset = win->area[0].y_offset;
825 #if defined(CONFIG_FB_ROTATE) || !defined(CONFIG_THREE_FB_BUFFER)
826 rk_fb_rotate(extend_info, info, win->area[0].y_offset);
828 extend_dev_drv->ops->pan_display(extend_dev_drv, extend_win_id);
832 #ifdef CONFIG_FB_MIRRORING
833 if (video_data_to_mirroring)
834 video_data_to_mirroring(info, NULL);
839 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
842 i = list_empty(&dev_drv->update_regs_list);
843 j = list_empty(&saved_list);
848 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv,
849 struct sync_fence *fence)
851 int err = sync_fence_wait(fence, 1000);
857 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
860 printk("error waiting on fence\n");
864 void rk_fb_free_dma_buf(struct rk_fb_reg_win_data *reg_win_data)
868 for(i=0;i<RK_WIN_MAX_AREA;i++){
869 if(reg_win_data->reg_area_data[i].acq_fence)
870 sync_fence_put(reg_win_data->reg_area_data[i].acq_fence);
873 memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
876 static void rk_fb_update_driver(struct rk_lcdc_win *win,struct rk_fb_reg_win_data *reg_win_data)
879 //struct rk_lcdc_win *win;
880 //win = dev_drv->win[reg_win_data->win_id];
881 win->area_num = reg_win_data->area_num;
882 win->format = reg_win_data->data_format;
883 win->id = reg_win_data->win_id;
884 win->z_order = reg_win_data->z_order;
887 for(i=0;i<win->area_num;i++)
889 printk("i=%d:area[%d]=%x,reg_area_data[%d]=%x,mem_start=%x\n",
890 i,i,&win->area[i],i,®_win_data->reg_area_data[i],reg_win_data->reg_area_data[i].smem_start);
892 win->area[i].smem_start = reg_win_data->reg_area_data[i].smem_start;
893 win->area[i].cbr_start = reg_win_data->reg_area_data[i].cbr_start;
894 win->area[i].xpos = reg_win_data->reg_area_data[i].xpos;
895 win->area[i].ypos = reg_win_data->reg_area_data[i].ypos;
896 win->area[i].xsize = reg_win_data->reg_area_data[i].xsize;
897 win->area[i].ysize = reg_win_data->reg_area_data[i].ysize;
898 win->area[i].xact = reg_win_data->reg_area_data[i].xact;
899 win->area[i].yact = reg_win_data->reg_area_data[i].yact;
900 win->area[i].xvir = reg_win_data->reg_area_data[i].xvir;
901 win->area[i].yvir = reg_win_data->reg_area_data[i].yvir;
902 win->area[i].y_offset = reg_win_data->reg_area_data[i].y_offset;
903 win->area[i].c_offset = reg_win_data->reg_area_data[i].c_offset;
904 win->area[i].state = 1;
907 if(reg_win_data->reg_area_data[0].smem_start > 0){
909 win->area_num = reg_win_data->area_num;
910 win->format = reg_win_data->data_format;
911 win->id = reg_win_data->win_id;
912 win->z_order = reg_win_data->z_order;
913 win->area[0].uv_vir_stride = reg_win_data->reg_area_data[0].uv_vir_stride;
914 win->area[0].cbr_start = reg_win_data->reg_area_data[0].cbr_start;
915 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
916 win->alpha_en = reg_win_data->alpha_en;
917 win->alpha_mode = reg_win_data->alpha_mode;
918 win->g_alpha_val = reg_win_data->g_alpha_val;
919 for(i=0;i<RK_WIN_MAX_AREA;i++)
921 if(reg_win_data->reg_area_data[i].smem_start > 0){
922 win->area[i].smem_start = reg_win_data->reg_area_data[i].smem_start;
923 win->area[i].xpos = reg_win_data->reg_area_data[i].xpos;
924 win->area[i].ypos = reg_win_data->reg_area_data[i].ypos;
925 win->area[i].xsize = reg_win_data->reg_area_data[i].xsize;
926 win->area[i].ysize = reg_win_data->reg_area_data[i].ysize;
927 win->area[i].xact = reg_win_data->reg_area_data[i].xact;
928 win->area[i].yact = reg_win_data->reg_area_data[i].yact;
929 win->area[i].xvir = reg_win_data->reg_area_data[i].xvir;
930 win->area[i].yvir = reg_win_data->reg_area_data[i].yvir;
931 win->area[i].y_offset = reg_win_data->reg_area_data[i].y_offset;
932 win->area[i].y_vir_stride = reg_win_data->reg_area_data[i].y_vir_stride;
933 win->area[i].state = 1;
935 win->area[i].state = 0;
946 static void rk_fb_update_reg(struct rk_lcdc_driver * dev_drv,struct rk_fb_reg_data *regs)
949 struct rk_lcdc_win *win;
950 ktime_t timestamp = dev_drv->vsync_info.timestamp;
951 //struct rk_fb_reg_win_data old_reg_win_data[RK30_MAX_LAYER_SUPPORT];
953 for(i=0;i<dev_drv->lcdc_win_num;i++){
954 //old_reg_win_data[i]= regs->reg_win_data[i];
955 win = dev_drv->win[i];
956 for(j=0;j<regs->win_num;j++){
957 if(i == regs->reg_win_data[j].win_id)
961 rk_fb_update_driver(win,®s->reg_win_data[j]);
969 printk("win[%d]:drv_win_state=%d\n",i,dev_drv->win[i]->state);
971 printk("area[%d]:state=%d,mem_addr=%x\n",
972 i,dev_drv->win[i]->area[j].state,dev_drv->win[i]->area[j].smem_start);
976 dev_drv->atv_layer_cnt = regs->win_num;
977 dev_drv->cur_screen->post_xsize = regs->post_cfg.xsize;
978 dev_drv->cur_screen->post_ysize = regs->post_cfg.ysize;
979 dev_drv->cur_screen->post_dsp_stx = regs->post_cfg.xpos;
980 dev_drv->cur_screen->post_dsp_sty = regs->post_cfg.ypos;
981 dev_drv->ops->set_par(dev_drv,0);
983 ret = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
984 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp),msecs_to_jiffies(dev_drv->cur_screen->ft+5));
986 sw_sync_timeline_inc(dev_drv->timeline, 1);
988 for(i=0;i<regs->win_num;i++){
989 rk_fb_free_dma_buf(®s->reg_win_data[i]);
993 static void rk_fb_update_regs_handler(struct kthread_work *work)
995 struct rk_lcdc_driver * dev_drv =
996 container_of(work, struct rk_lcdc_driver, update_regs_work);
997 struct rk_fb_reg_data *data, *next;
998 //struct list_head saved_list;
999 mutex_lock(&dev_drv->update_regs_list_lock);
1000 saved_list = dev_drv->update_regs_list;
1001 list_replace_init(&dev_drv->update_regs_list, &saved_list);
1002 mutex_unlock(&dev_drv->update_regs_list_lock);
1004 list_for_each_entry_safe(data, next, &saved_list, list) {
1005 rk_fb_update_reg(dev_drv,data);
1006 list_del(&data->list);
1011 static int rk_fb_set_win_buffer(struct fb_info *info,
1012 struct rk_fb_win_par *win_par,struct rk_fb_reg_win_data *reg_win_data)
1014 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1015 //struct fb_var_screeninfo *var = &info->var;
1016 struct fb_fix_screeninfo *fix = &info->fix;
1017 //struct rk_lcdc_driver * dev_drv = (struct rk_lcdc_driver * )info->par;
1019 int i,j,ion_fd,acq_fence_fd;
1021 u32 xoffset,yoffset;
1023 struct ion_handle *hdl;
1024 ion_phys_addr_t phy_addr;
1030 u32 stride,uv_stride;
1033 u32 stride_128bit_1;
1034 u32 stride_128bit_2;
1035 u16 uv_x_off,uv_y_off;
1037 u8 ppixel_a=0,global_a=0;
1038 reg_win_data->area_num = 0;
1039 if(win_par->area_par[0].phy_addr == 0){
1040 for(i=0;i<RK_WIN_MAX_AREA;i++){
1041 ion_fd = win_par->area_par[i].ion_fd;
1043 reg_win_data->area_num++;
1045 if(ion_fd == win_par->area_par[j].ion_fd){
1046 printk("region[%d] fd is same to region[%d]:fd=%d",
1052 hdl = ion_import_dma_buf(rk_fb->ion_client, ion_fd);
1053 ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
1054 reg_win_data->reg_area_data[i].smem_start = phy_addr;
1055 reg_win_data->area_buf_num++;
1056 reg_win_data->reg_area_data[i].index_buf = 1;
1058 reg_win_data->reg_area_data[i].smem_start =
1059 reg_win_data->reg_area_data[j].smem_start;
1063 printk("i=%d,ion_fd=%d,addr=0x%x,area_num=%d,area_buf_num=%d\n",
1064 i,ion_fd,reg_win_data->reg_area_data[i].smem_start,
1065 reg_win_data->area_num,reg_win_data->area_buf_num);
1069 reg_win_data->reg_area_data[0].smem_start =
1070 win_par->area_par[0].phy_addr;
1071 reg_win_data->area_num = 1;
1074 if(reg_win_data->area_num == 0){
1078 for(i=0;i<reg_win_data->area_num;i++){
1079 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
1080 index_buf = reg_win_data->reg_area_data[i].index_buf;
1081 if((acq_fence_fd > 0)&&(index_buf == 1)){
1082 reg_win_data->reg_area_data[i].acq_fence =
1083 sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
1086 fb_data_fmt = rk_fb_data_fmt(win_par->data_format,0);
1087 reg_win_data->data_format = fb_data_fmt;
1088 pixel_width = rk_fb_pixel_width(fb_data_fmt);
1090 ppixel_a = ((fb_data_fmt == ARGB888)||(fb_data_fmt == ABGR888)) ? 1:0;
1091 global_a = (win_par->g_alpha_val == 0) ? 0:1;
1092 reg_win_data->alpha_en = ppixel_a | global_a;
1094 reg_win_data->z_order = win_par->z_order;
1095 reg_win_data->win_id = win_par->win_id;
1097 for(i=0;i<reg_win_data->area_num;i++){
1098 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;//visiable pos in panel
1099 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
1101 reg_win_data->reg_area_data[i].xsize= win_par->area_par[i].xsize;//realy size in panel
1102 reg_win_data->reg_area_data[i].ysize= win_par->area_par[i].ysize;
1104 reg_win_data->reg_area_data[i].xact= win_par->area_par[i].xact;//realy size in panel
1105 reg_win_data->reg_area_data[i].yact= win_par->area_par[i].yact;
1107 xoffset = win_par->area_par[i].x_offset;//buf offset
1108 yoffset = win_par->area_par[i].y_offset;
1109 xvir = win_par->area_par[i].xvir;
1110 reg_win_data->reg_area_data[i].xvir = xvir;
1111 yvir = win_par->area_par[i].yvir;
1112 reg_win_data->reg_area_data[i].yvir = yvir;
1114 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",
1115 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,
1116 reg_win_data->reg_area_data[i].xact,reg_win_data->reg_area_data[i].yact,xoffset,yoffset,xvir,yvir);
1119 vir_width_bit = pixel_width * xvir;
1120 stride_128bit_1 = ((vir_width_bit + 127) & (~127))/8; //pixel_width = byte_num *8
1121 stride_128bit_2 = ((vir_width_bit*2 + 127) & (~127))/8; //pixel_width = byte_num *8
1122 stride_32bit_1 = ((vir_width_bit + 31 ) & (~31 ))/8; //pixel_width = byte_num *8
1123 stride_32bit_2 = ((vir_width_bit*2 + 31 ) & (~31 ))/8; //pixel_width = byte_num *8
1125 stride = stride_32bit_1;//default rgb
1126 fix->line_length = stride;
1127 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
1128 // x y mirror ,jump line
1129 reg_win_data->reg_area_data[i].y_offset = yoffset*stride+xoffset*pixel_width/8;
1131 switch (fb_data_fmt){
1134 stride = stride_32bit_1;
1135 uv_stride = stride_32bit_1>> 1 ;//
1136 uv_x_off = xoffset >> 1 ;//
1137 uv_y_off = yoffset;//0
1138 fix->line_length = stride;
1142 stride = stride_32bit_1;
1143 uv_stride = stride_32bit_1;
1145 uv_y_off = yoffset >> 1;
1146 fix->line_length = stride;
1150 stride = stride_32bit_1;
1151 uv_stride = stride_32bit_2;
1152 uv_x_off = xoffset*2;
1154 fix->line_length = stride<<2;
1157 if(is_pic_yuv == 1){
1158 reg_win_data->reg_area_data[0].cbr_start =
1159 reg_win_data->reg_area_data[0].smem_start + xvir*yvir;
1160 reg_win_data->reg_area_data[0].c_offset =
1161 uv_y_off*uv_stride+uv_x_off*pixel_width/8;
1162 reg_win_data->reg_area_data[0].uv_vir_stride =
1168 static int rk_fb_set_win_config(struct fb_info *info,
1169 struct rk_fb_win_cfg_data *win_data)
1171 //struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1172 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1173 struct rk_fb_reg_data *regs;
1174 struct rk_fb_reg_win_data *reg_win_data;
1175 struct sync_fence *release_fence[RK_MAX_BUF_NUM];
1176 struct sync_fence *retire_fence;
1177 struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
1178 struct sync_pt *retire_sync_pt;
1179 int ret,i,j=0,fence_fd;
1180 char fence_name[20];
1182 //mutex_lock(&dev_drv->output_lock);
1183 regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
1185 printk("could not allocate rk_fb_reg_data\n");
1190 regs->post_cfg.xpos = win_data->post_cfg.xpos;
1191 regs->post_cfg.ypos = win_data->post_cfg.ypos;
1192 regs->post_cfg.xsize = win_data->post_cfg.xsize;
1193 regs->post_cfg.ysize = win_data->post_cfg.xsize;
1194 for (i=0; i<dev_drv->lcdc_win_num; i++) {
1195 if(win_data->win_par[i].win_id < dev_drv->lcdc_win_num){
1196 rk_fb_set_win_buffer(info,&win_data->win_par[i],®s->reg_win_data[j]);
1197 if(regs->reg_win_data[j].area_num > 0){
1199 regs->buf_num += regs->reg_win_data[j].area_buf_num;
1203 printk("error:win_id bigger than lcdc_win_num\n");
1204 printk("i=%d,win_id=%d\n",i,win_data->win_par[i].win_id);
1207 for(i=0; i<regs->win_num; i++){
1208 reg_win_data = ®s->reg_win_data[i];
1209 for(j=0;j<RK_WIN_MAX_AREA;j++){
1210 if(reg_win_data->reg_area_data[j].acq_fence){
1211 printk("acq_fence wait!!!!!\n");
1212 rk_fd_fence_wait(dev_drv,
1213 reg_win_data->reg_area_data[j].acq_fence);
1218 mutex_lock(&dev_drv->output_lock);
1219 if(!(dev_drv->suspend_flag == 0)){
1220 rk_fb_update_reg(dev_drv,regs);
1221 printk("suspend_flag == 0\n");
1224 mutex_lock(&dev_drv->update_regs_list_lock);
1225 dev_drv->timeline_max++;
1227 for(i=0;i<RK_MAX_BUF_NUM;i++){
1228 if(i<regs->buf_num){
1229 sprintf(fence_name,"fence%d",i);
1230 win_data->rel_fence_fd[i] = get_unused_fd();
1231 if (win_data->rel_fence_fd[i] < 0){
1232 printk("rel_fence_fd=%d\n",win_data->rel_fence_fd[i]);
1235 release_sync_pt[i] = sw_sync_pt_create(dev_drv->timeline,
1236 dev_drv->timeline_max);
1237 release_fence[i] = sync_fence_create(fence_name, release_sync_pt[i]);
1238 sync_fence_install(release_fence[i], win_data->rel_fence_fd[i]);
1240 win_data->rel_fence_fd[i] = -1;
1244 win_data->ret_fence_fd = get_unused_fd();
1245 if (win_data->ret_fence_fd < 0){
1246 printk("ret_fence_fd=%d\n",win_data->ret_fence_fd);
1249 retire_sync_pt = sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
1250 retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
1251 sync_fence_install(retire_fence, win_data->ret_fence_fd);
1253 for(i=0;i<RK_MAX_BUF_NUM;i++){
1254 win_data->rel_fence_fd[i] = -1;
1256 win_data->ret_fence_fd = -1;
1258 if(dev_drv->wait_fs == 0){
1259 list_add_tail(®s->list,&dev_drv->update_regs_list);
1260 mutex_unlock(&dev_drv->update_regs_list_lock);
1261 queue_kthread_work(&dev_drv->update_regs_worker,
1262 &dev_drv->update_regs_work);
1264 mutex_unlock(&dev_drv->update_regs_list_lock);
1265 rk_fb_update_reg(dev_drv,regs);
1269 mutex_unlock(&dev_drv->output_lock);
1273 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
1275 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1276 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1277 struct fb_fix_screeninfo *fix = &info->fix;
1278 int fb_id = 0, extend_win_id = 0;
1279 struct fb_info *extend_info = NULL;
1280 struct rk_lcdc_driver *extend_dev_drv = NULL;
1281 struct rk_lcdc_win *extend_win = NULL;
1282 struct rk_lcdc_win *win;
1283 int enable; /* enable fb:1 enable;0 disable*/
1284 int ovl; /*overlay:0 win1 on the top of win0;1,win0 on the top of win1*/
1285 int num_buf; /*buffer_number*/
1287 struct rk_fb_win_cfg_data win_data;
1288 unsigned int dsp_addr[2];
1291 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1293 void __user *argp = (void __user *)arg;
1294 win = dev_drv->win[win_id];
1295 if (rk_fb->disp_mode == DUAL) {
1296 fb_id = get_extend_fb_id(info);
1297 extend_info = rk_fb->fb[(rk_fb->num_fb>>1) + fb_id];
1298 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
1299 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
1300 extend_info->fix.id);
1301 extend_win = extend_dev_drv->win[extend_win_id];
1305 case RK_FBIOSET_YUV_ADDR:
1308 if (copy_from_user(yuv_phy, argp, 8))
1310 fix->smem_start = yuv_phy[0];
1311 fix->mmio_start = yuv_phy[1];
1314 case RK_FBIOSET_ENABLE:
1315 if (copy_from_user(&enable, argp, sizeof(enable)))
1317 dev_drv->ops->open(dev_drv, win_id, enable);
1319 case RK_FBIOGET_ENABLE:
1320 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
1321 if (copy_to_user(argp, &enable, sizeof(enable)))
1324 case RK_FBIOSET_OVERLAY_STATE:
1325 if (copy_from_user(&ovl, argp, sizeof(ovl)))
1327 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
1329 case RK_FBIOGET_OVERLAY_STATE:
1330 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
1331 if (copy_to_user(argp, &ovl, sizeof(ovl)))
1334 case RK_FBIOPUT_NUM_BUFFERS:
1335 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
1337 dev_drv->num_buf = num_buf;
1339 case RK_FBIOSET_VSYNC_ENABLE:
1340 if (copy_from_user(&enable, argp, sizeof(enable)))
1342 dev_drv->vsync_info.active = enable;
1345 case RK_FBIOGET_DSP_ADDR:
1346 dev_drv->ops->get_dsp_addr(dev_drv,dsp_addr);
1347 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
1350 case RK_FBIOGET_LIST_STAT:
1351 list_stat = rk_fb_get_list_stat(dev_drv);
1352 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
1357 #if defined(CONFIG_ION_ROCKCHIP)
1358 case RK_FBIOSET_DMABUF_FD:
1361 struct ion_handle *hdl;
1362 ion_phys_addr_t phy_addr;
1364 if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
1366 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
1367 ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
1368 fix->smem_start = phy_addr;
1371 case RK_FBIOGET_DMABUF_FD:
1373 int fd = ion_share_dma_buf_fd(rk_fb->ion_client, win->area[0].ion_hdl);
1375 dev_err(info->dev, "ion_share_dma_buf_fd failed\n");
1378 if (copy_to_user(argp, &fd, sizeof(fd)))
1383 case RK_FBIOSET_CONFIG_DONE:
1384 if(copy_from_user(&win_data,
1385 (struct rk_fb_win_cfg_data __user *)argp,
1391 dev_drv->wait_fs = win_data.wait_fs;
1392 rk_fb_set_win_config(info,&win_data);
1394 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
1396 sizeof(win_data))) {
1400 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
1402 if (rk_fb->disp_mode == DUAL) {
1403 if (extend_win->state && (hdmi_switch_complete)) {
1404 if (rk_fb->num_fb >= 2) {
1405 if (extend_dev_drv->ops->lcdc_reg_update)
1406 extend_dev_drv->ops->lcdc_reg_update(extend_dev_drv);
1412 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
1419 static int rk_fb_blank(int blank_mode, struct fb_info *info)
1421 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1422 struct fb_fix_screeninfo *fix = &info->fix;
1425 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
1428 #if defined(CONFIG_RK_HDMI)
1429 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1430 if ((rk_fb->disp_mode == ONE_DUAL) && (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
1431 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
1435 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
1440 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
1443 if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
1444 (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
1445 ((16 != var->bits_per_pixel) && (32 != var->bits_per_pixel))) {
1446 dev_err(info->dev, "%s check var fail 1:\n"
1447 "xres_vir:%d>>yres_vir:%d\n"
1448 "xres:%d>>yres:%d\n"
1449 "bits_per_pixel:%d\n",
1455 var->bits_per_pixel);
1459 if (((var->xoffset+var->xres) > var->xres_virtual) ||
1460 ((var->yoffset+var->yres) > (var->yres_virtual))) {
1461 dev_err(info->dev, "%s check_var fail 2:\n"
1462 "xoffset:%d>>xres:%d>>xres_vir:%d\n"
1463 "yoffset:%d>>yres:%d>>yres_vir:%d\n",
1477 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
1478 size_t count, loff_t *ppos)
1480 unsigned long p = *ppos;
1483 int c, cnt = 0, err = 0;
1484 unsigned long total_size;
1485 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1486 struct rk_lcdc_win *win = NULL;
1490 list_empty = rk_fb_get_list_stat(dev_drv);
1491 printk("list_empty=%d\n",list_empty);
1493 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1497 win = dev_drv->win[win_id];
1499 if (win->format == RGB565)
1500 total_size = win->area[0].xact*win->area[0].yact<<1; /*only read the current frame buffer*/
1502 total_size = win->area[0].xact*win->area[0].yact<<2;
1505 if (p >= total_size)
1508 if (count >= total_size)
1511 if (count + p > total_size)
1512 count = total_size - p;
1514 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count,
1519 src = (u8 __iomem *) (info->screen_base + p + win->area[0].y_offset);
1522 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
1524 fb_memcpy_fromfb(dst, src, c);
1528 if (copy_to_user(buf, buffer, c)) {
1540 return (err) ? err : cnt;
1543 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
1544 size_t count, loff_t *ppos)
1546 unsigned long p = *ppos;
1549 int c, cnt = 0, err = 0;
1550 unsigned long total_size;
1551 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1552 struct rk_lcdc_win *win = NULL;
1555 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1559 win = dev_drv->win[win_id];
1561 if (win->format == RGB565)
1562 total_size = win->area[0].xact*win->area[0].yact<<1; /*write the current frame buffer*/
1564 total_size = win->area[0].xact*win->area[0].yact<<2;
1569 if (count > total_size) {
1574 if (count + p > total_size) {
1578 count = total_size - p;
1581 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count,
1586 dst = (u8 __iomem *) (info->screen_base + p + win->area[0].y_offset);
1589 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
1592 if (copy_from_user(src, buf, c)) {
1597 fb_memcpy_tofb(dst, src, c);
1608 return (cnt) ? cnt : err;
1612 static int rk_fb_set_par(struct fb_info *info)
1614 struct fb_var_screeninfo *var = &info->var;
1615 struct fb_fix_screeninfo *fix = &info->fix;
1616 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1617 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1618 int fb_id, extend_win_id = 0;
1619 struct fb_info *extend_info = NULL;
1620 struct rk_lcdc_driver *extend_dev_drv = NULL;
1621 struct rk_lcdc_win *extend_win = NULL;
1622 struct rk_lcdc_win *win = NULL;
1623 struct rk_screen *screen = dev_drv->cur_screen;
1625 u32 cblen = 0, crlen = 0;
1626 u16 xsize = 0, ysize = 0; /*winx display window height/width --->LCDC_WINx_DSP_INFO*/
1627 u32 xoffset = var->xoffset; /* offset from virtual to visible*/
1628 u32 yoffset = var->yoffset;
1629 u16 xpos = (var->nonstd>>8) & 0xfff; /*visiable pos in panel*/
1630 u16 ypos = (var->nonstd>>20) & 0xfff;
1631 u32 xvir = var->xres_virtual;
1632 u32 yvir = var->yres_virtual;
1633 u8 data_format = var->nonstd&0xff;
1637 u32 stride,uv_stride;
1640 u32 stride_128bit_1;
1641 u32 stride_128bit_2;
1642 u16 uv_x_off,uv_y_off;
1645 var->pixclock = dev_drv->pixclock;
1646 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1650 win = dev_drv->win[win_id];
1651 if (rk_fb->disp_mode == DUAL) {
1652 fb_id = get_extend_fb_id(info);
1653 extend_info = rk_fb->fb[(rk_fb->num_fb>>1) + fb_id];
1654 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
1655 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
1656 extend_info->fix.id);
1657 extend_win = extend_dev_drv->win[extend_win_id];
1659 if (var->grayscale>>8) { /*if the application has specific the horizontal and vertical display size*/
1660 xsize = (var->grayscale>>8) & 0xfff;
1661 ysize = (var->grayscale>>20) & 0xfff;
1662 } else { /*ohterwise full screen display*/
1663 xsize = screen->mode.xres;
1664 ysize = screen->mode.yres;
1667 /*this is for device like rk2928 ,whic have one lcdc but two display outputs*/
1668 /*save winameter set by android*/
1669 if (rk_fb->disp_mode != DUAL) {
1670 if (screen->screen_id == 0) {
1672 dev_drv->screen0->xsize = xsize;
1673 dev_drv->screen0->ysize = ysize;
1674 dev_drv->screen0->xpos = xpos;
1675 dev_drv->screen0->ypos = ypos;
1677 xsize = dev_drv->screen1->xsize;
1678 ysize = dev_drv->screen1->ysize;
1679 xpos = dev_drv->screen1->xpos;
1680 ypos = dev_drv->screen1->ypos;
1684 fb_data_fmt = rk_fb_data_fmt(data_format,var->bits_per_pixel);
1685 pixel_width = rk_fb_pixel_width(fb_data_fmt);
1686 vir_width_bit = pixel_width * xvir;
1687 stride_128bit_1 = ((vir_width_bit + 127) & (~127))/8; //pixel_width = byte_num *8
1688 stride_128bit_2 = ((vir_width_bit*2 + 127) & (~127))/8; //pixel_width = byte_num *8
1689 stride_32bit_1 = ((vir_width_bit + 31 ) & (~31 ))/8; //pixel_width = byte_num *8
1690 stride_32bit_2 = ((vir_width_bit*2 + 31 ) & (~31 ))/8; //pixel_width = byte_num *8
1692 stride = stride_32bit_1;//default rgb
1693 fix->line_length = stride;
1695 switch (fb_data_fmt){
1698 stride = stride_32bit_1;
1699 uv_stride = stride_32bit_1>> 1 ;//
1700 uv_x_off = xoffset >> 1 ;//
1701 uv_y_off = yoffset;//0
1702 fix->line_length = stride;
1703 cblen = crlen = (xvir*yvir)>>1;
1707 stride = stride_32bit_1;
1708 uv_stride = stride_32bit_1;
1710 uv_y_off = yoffset >> 1;
1711 fix->line_length = stride;
1712 cblen = crlen = (xvir*yvir)>>2;
1716 stride = stride_32bit_1;
1717 uv_stride = stride_32bit_2;
1718 uv_x_off = xoffset*2;
1720 fix->line_length = stride<<2;
1721 cblen = crlen = (xvir*yvir);
1725 // x y mirror ,jump line
1726 win->area[0].y_offset = yoffset*stride+xoffset*pixel_width/8;
1727 if(is_pic_yuv == 1){
1728 win->area[0].c_offset = uv_y_off*uv_stride+uv_x_off*pixel_width/8;
1730 win->format = fb_data_fmt;
1731 win->area[0].y_vir_stride = stride>>2;
1732 win->area[0].uv_vir_stride = uv_stride>>2;
1733 win->area[0].xpos = xpos;
1734 win->area[0].ypos = ypos;
1735 win->area[0].xsize = xsize;
1736 win->area[0].ysize = ysize;
1738 win->area[0].smem_start = fix->smem_start;
1739 win->area[0].cbr_start = fix->smem_start+stride*yvir;//fix->mmio_start;
1740 win->area[0].xact = var->xres; /*winx active window height,is a wint of vir*/
1741 win->area[0].yact = var->yres;
1742 win->area[0].xvir = var->xres_virtual; /*virtual resolution stride --->LCDC_WINx_VIR*/
1743 win->area[0].yvir = var->yres_virtual;
1745 win->area[0].state=1;
1748 if (rk_fb->disp_mode == DUAL) {
1749 if (extend_win->state && (hdmi_switch_complete)) {
1750 if (info != extend_info) {
1751 if (win->area[0].xact < win->area[0].yact) {
1752 //extend_win->xact = win->area[0].yact;
1753 extend_win->area[0].xact = win->area[0].yact;
1754 extend_win->area[0].yact = win->area[0].xact;
1755 extend_win->area[0].xvir = win->area[0].yact;
1756 extend_info->var.xres = var->yres;
1757 extend_info->var.yres = var->xres;
1758 extend_info->var.xres_virtual = var->yres;
1760 extend_win->area[0].xact = win->area[0].xact;
1761 extend_win->area[0].yact = win->area[0].yact;
1762 extend_win->area[0].xvir = win->area[0].xvir;
1763 extend_info->var.xres = var->xres;
1764 extend_info->var.yres = var->yres;
1765 extend_info->var.xres_virtual = var->xres_virtual;
1767 extend_win->format = win->format;
1768 extend_info->var.nonstd &= 0xffffff00;
1769 extend_info->var.nonstd |= data_format;
1770 extend_dev_drv->ops->set_par(extend_dev_drv, extend_win_id);
1774 dev_drv->ops->set_par(dev_drv, win_id);
1779 static inline unsigned int chan_to_field(unsigned int chan,
1780 struct fb_bitfield *bf)
1783 chan >>= 16 - bf->length;
1784 return chan << bf->offset;
1787 static int fb_setcolreg(unsigned regno,
1788 unsigned red, unsigned green, unsigned blue,
1789 unsigned transp, struct fb_info *info)
1793 switch (info->fix.visual) {
1794 case FB_VISUAL_TRUECOLOR:
1795 /* true-colour, use pseudo-palette */
1797 u32 *pal = info->pseudo_palette;
1798 val = chan_to_field(red, &info->var.red);
1799 val |= chan_to_field(green, &info->var.green);
1800 val |= chan_to_field(blue, &info->var.blue);
1805 return -1; /* unknown type */
1811 static struct fb_ops fb_ops = {
1812 .owner = THIS_MODULE,
1813 .fb_open = rk_fb_open,
1814 .fb_release = rk_fb_close,
1815 .fb_check_var = rk_fb_check_var,
1816 .fb_set_par = rk_fb_set_par,
1817 .fb_blank = rk_fb_blank,
1818 .fb_ioctl = rk_fb_ioctl,
1819 .fb_pan_display = rk_pan_display,
1820 .fb_read = rk_fb_read,
1821 .fb_write = rk_fb_write,
1822 .fb_setcolreg = fb_setcolreg,
1823 .fb_fillrect = cfb_fillrect,
1824 .fb_copyarea = cfb_copyarea,
1825 .fb_imageblit = cfb_imageblit,
1830 static struct fb_var_screeninfo def_var = {
1831 #if defined(CONFIG_LOGO_LINUX_BMP)
1835 .transp = {0, 0, 0},
1836 .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
1841 .transp = {0, 0, 0},
1842 .nonstd = HAL_PIXEL_FORMAT_RGB_565, /*(ypos<<20+xpos<<8+format) format*/
1844 .grayscale = 0, /*(ysize<<20+xsize<<8)*/
1845 .activate = FB_ACTIVATE_NOW,
1847 .vmode = FB_VMODE_NONINTERLACED,
1850 static struct fb_fix_screeninfo def_fix = {
1851 .type = FB_TYPE_PACKED_PIXELS,
1856 .accel = FB_ACCEL_NONE,
1857 .visual = FB_VISUAL_TRUECOLOR,
1862 static int rk_fb_wait_for_vsync_thread(void *data)
1864 struct rk_lcdc_driver *dev_drv = data;
1865 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1866 struct fb_info *fbi = rk_fb->fb[0];
1868 while (!kthread_should_stop()) {
1869 ktime_t timestamp = dev_drv->vsync_info.timestamp;
1870 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
1871 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
1872 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
1875 sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
1881 static ssize_t rk_fb_vsync_show(struct device *dev,
1882 struct device_attribute *attr, char *buf)
1884 struct fb_info *fbi = dev_get_drvdata(dev);
1885 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
1886 return scnprintf(buf, PAGE_SIZE, "%llu\n",
1887 ktime_to_ns(dev_drv->vsync_info.timestamp));
1890 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
1893 /*****************************************************************
1894 this two function is for other module that in the kernel which
1895 need show image directly through fb
1896 fb_id:we have 4 fb here,default we use fb0 for ui display
1897 *******************************************************************/
1898 struct fb_info *rk_get_fb(int fb_id)
1900 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1901 struct fb_info *fb = inf->fb[fb_id];
1904 EXPORT_SYMBOL(rk_get_fb);
1906 void rk_direct_fb_show(struct fb_info *fbi)
1909 rk_pan_display(&fbi->var, fbi);
1911 EXPORT_SYMBOL(rk_direct_fb_show);
1914 static int set_xact_yact_for_hdmi(struct fb_var_screeninfo *pmy_var,
1915 struct fb_var_screeninfo *hdmi_var)
1917 if (pmy_var->xres < pmy_var->yres) { /*vertical lcd screen*/
1918 hdmi_var->xres = pmy_var->yres;
1919 hdmi_var->yres = pmy_var->xres;
1920 hdmi_var->xres_virtual = pmy_var->yres;
1922 hdmi_var->xres = pmy_var->xres;
1923 hdmi_var->yres = pmy_var->yres;
1924 hdmi_var->xres_virtual = pmy_var->xres_virtual;
1930 int rk_fb_dpi_open(bool open)
1932 struct rk_lcdc_driver *dev_drv = NULL;
1933 dev_drv = rk_get_prmry_lcdc_drv();
1934 dev_drv->ops->dpi_open(dev_drv, open);
1938 int rk_fb_dpi_win_sel(int win_id)
1940 struct rk_lcdc_driver *dev_drv = NULL;
1941 dev_drv = rk_get_prmry_lcdc_drv();
1942 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
1946 int rk_fb_dpi_status(void)
1949 struct rk_lcdc_driver *dev_drv = NULL;
1950 dev_drv = rk_get_prmry_lcdc_drv();
1951 ret = dev_drv->ops->dpi_status(dev_drv);
1956 /******************************************
1957 *function:this function will be called by hdmi,when
1959 *screen: the screen attached to hdmi
1960 *enable: 1,hdmi plug in,0,hdmi plug out
1961 *lcdc_id: the lcdc id the hdmi attached ,0 or 1
1962 ******************************************/
1963 int rk_fb_switch_screen(struct rk_screen *screen , int enable, int lcdc_id)
1965 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1966 struct fb_info *info = NULL;
1967 struct rk_lcdc_driver *dev_drv = NULL;
1968 struct fb_var_screeninfo *hdmi_var = NULL;
1969 struct fb_var_screeninfo *pmy_var = NULL; /*var for primary screen*/
1970 struct fb_info *pmy_info = NULL;
1971 struct fb_fix_screeninfo *pmy_fix = NULL;
1973 struct fb_fix_screeninfo *hdmi_fix = NULL;
1978 if (rk_fb->disp_mode != DUAL)
1979 rk29_backlight_set(0);
1981 sprintf(name, "lcdc%d", lcdc_id);
1983 if (rk_fb->disp_mode != DUAL) {
1984 dev_drv = rk_fb->lcdc_dev_drv[0];
1987 for (i = 0; i < rk_fb->num_lcdc; i++) {
1988 if (rk_fb->lcdc_dev_drv[i]->prop == EXTEND) {
1989 dev_drv = rk_fb->lcdc_dev_drv[i];
1994 if (i == rk_fb->num_lcdc) {
1995 printk(KERN_ERR "%s driver not found!", name);
1999 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from", dev_drv->id);
2001 if (rk_fb->num_lcdc == 1)
2002 info = rk_fb->fb[0];
2003 else if (rk_fb->num_lcdc == 2)
2004 info = rk_fb->fb[dev_drv->lcdc_win_num]; /*the main fb of lcdc1*/
2006 if (dev_drv->screen1) { /*device like rk2928 ,have only one lcdc but two outputs*/
2008 memcpy(dev_drv->screen1, screen, sizeof(struct rk_screen));
2009 dev_drv->screen1->lcdc_id = 0; /*connect screen1 to output interface 0*/
2010 dev_drv->screen1->screen_id = 1;
2011 dev_drv->screen0->lcdc_id = 1; /*connect screen0 to output interface 1*/
2012 dev_drv->cur_screen = dev_drv->screen1;
2013 dev_drv->screen0->ext_screen = dev_drv->screen1;
2014 if (dev_drv->screen0->sscreen_get) {
2015 dev_drv->screen0->sscreen_get(dev_drv->screen0,
2016 dev_drv->cur_screen->hdmi_resolution);
2021 dev_drv->screen1->lcdc_id = 1; /*connect screen1 to output interface 1*/
2022 dev_drv->screen0->lcdc_id = 0; /*connect screen0 to output interface 0*/
2023 dev_drv->cur_screen = dev_drv->screen0;
2024 dev_drv->screen_ctr_info->set_screen_info(dev_drv->cur_screen,
2025 dev_drv->screen_ctr_info->lcd_info);
2029 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
2033 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2035 if (!enable && !dev_drv->screen1) { /*only double lcdc device need to close*/
2036 if (dev_drv->win[win_id]->state)
2037 dev_drv->ops->open(dev_drv, win_id, enable); /*disable the win which attached to this fb*/
2038 hdmi_switch_complete = 0;
2043 hdmi_var = &info->var;
2044 hdmi_fix = &info->fix;
2045 if (rk_fb->disp_mode == DUAL) {
2046 if (likely(rk_fb->num_lcdc == 2)) {
2047 pmy_var = &rk_fb->fb[0]->var;
2048 pmy_fix = &rk_fb->fb[0]->fix;
2049 set_xact_yact_for_hdmi(pmy_var, hdmi_var);
2050 hdmi_var->nonstd &= 0xffffff00;
2051 hdmi_var->nonstd |= (pmy_var->nonstd & 0xff); /*use the same format as primary screen*/
2053 printk(KERN_WARNING "%s>>only one lcdc,dual display no supported!", __func__);
2056 hdmi_var->grayscale &= 0xff;
2057 hdmi_var->grayscale |= (dev_drv->cur_screen->mode.xres<<8) + (dev_drv->cur_screen->mode.yres<<20);
2058 if (dev_drv->screen1) { /*device like rk2928,whic have one lcdc but two outputs*/
2059 /* info->var.nonstd &= 0xff;
2060 info->var.nonstd |= (dev_drv->cur_screen->mode.xpos<<8) + (dev_drv->cur_screen->mode.ypos<<20);
2061 info->var.grayscale &= 0xff;
2062 info->var.grayscale |= (dev_drv->cur_screen->mode.x_res<<8) + (dev_drv->cur_screen->mode.y_res<<20);*/
2063 dev_drv->screen1->xsize = dev_drv->cur_screen->mode.xres;
2064 dev_drv->screen1->ysize = dev_drv->cur_screen->mode.yres;
2065 dev_drv->screen1->xpos = 0;
2066 dev_drv->screen1->ypos = 0;
2069 ret = info->fbops->fb_open(info, 1);
2070 dev_drv->ops->load_screen(dev_drv, 1);
2071 ret = info->fbops->fb_set_par(info);
2072 if (dev_drv->ops->lcdc_hdmi_process)
2073 dev_drv->ops->lcdc_hdmi_process(dev_drv, enable);
2075 if (rk_fb->disp_mode == DUAL) {
2076 if (likely(rk_fb->num_lcdc == 2)) {
2077 pmy_info = rk_fb->fb[0];
2078 pmy_info->fbops->fb_pan_display(pmy_var, pmy_info);
2080 printk(KERN_WARNING "%s>>only one lcdc,dual display no supported!", __func__);
2083 info->fbops->fb_pan_display(hdmi_var, info);
2085 info->fbops->fb_ioctl(info, RK_FBIOSET_CONFIG_DONE, 0);
2086 if (dev_drv->screen1) {
2087 if (dev_drv->screen0->sscreen_set) {
2088 dev_drv->ops->blank(dev_drv, 0, FB_BLANK_NORMAL);
2090 dev_drv->screen0->sscreen_set(dev_drv->screen0, enable);
2091 dev_drv->ops->blank(dev_drv, 0, FB_BLANK_UNBLANK);
2095 if (rk_fb->disp_mode != DUAL)
2096 rk29_backlight_set(1);
2097 hdmi_switch_complete = enable;
2105 /******************************************
2106 function:this function current only called by hdmi for
2108 scale_x: scale rate of x resolution
2109 scale_y: scale rate of y resolution
2110 lcdc_id: the lcdc id the hdmi attached ,0 or 1
2111 ******************************************/
2113 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
2115 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
2116 struct fb_info *info = NULL;
2117 struct fb_var_screeninfo *var = NULL;
2118 struct rk_lcdc_driver *dev_drv = NULL;
2119 u16 screen_x, screen_y;
2124 sprintf(name, "lcdc%d", lcdc_id);
2126 #if defined(CONFIG_ONE_LCDC_DUAL_OUTPUT_INF)
2127 dev_drv = inf->lcdc_dev_drv[0];
2129 for (i = 0; i < inf->num_lcdc; i++) {
2130 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
2131 dev_drv = inf->lcdc_dev_drv[i];
2136 if (i == inf->num_lcdc) {
2137 printk(KERN_ERR "%s driver not found!", name);
2142 if (inf->num_lcdc == 1)
2144 else if (inf->num_lcdc == 2)
2145 info = inf->fb[dev_drv->lcdc_win_num];
2148 screen_x = dev_drv->cur_screen->mode.xres;
2149 screen_y = dev_drv->cur_screen->mode.yres;
2151 #if defined(CONFIG_ONE_LCDC_DUAL_OUTPUT_INF) || defined(CONFIG_NO_DUAL_DISP)
2152 if (dev_drv->cur_screen->screen_id == 1) {
2153 dev_drv->cur_screen->xpos = (screen_x-screen_x*scale_x/100)>>1;
2154 dev_drv->cur_screen->ypos = (screen_y-screen_y*scale_y/100)>>1;
2155 dev_drv->cur_screen->xsize = screen_x*scale_x/100;
2156 dev_drv->cur_screen->ysize = screen_y*scale_y/100;
2160 xpos = (screen_x-screen_x*scale_x/100)>>1;
2161 ypos = (screen_y-screen_y*scale_y/100)>>1;
2162 xsize = screen_x*scale_x/100;
2163 ysize = screen_y*scale_y/100;
2164 var->nonstd &= 0xff;
2165 var->nonstd |= (xpos<<8) + (ypos<<20);
2166 var->grayscale &= 0xff;
2167 var->grayscale |= (xsize<<8) + (ysize<<20);
2170 info->fbops->fb_set_par(info);
2171 info->fbops->fb_ioctl(info, RK_FBIOSET_CONFIG_DONE, 0);
2177 static int rk_fb_alloc_buffer(struct fb_info *fbi, int fb_id)
2179 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2180 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
2181 struct rk_lcdc_win *win = NULL;
2184 unsigned long fb_mem_size;
2185 #if defined(CONFIG_ION_ROCKCHIP)
2186 struct ion_handle *handle;
2187 ion_phys_addr_t phy_addr;
2190 dma_addr_t fb_mem_phys;
2193 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
2197 win = dev_drv->win[win_id];
2199 if (!strcmp(fbi->fix.id, "fb0")) {
2200 fb_mem_size = 3 * (fbi->var.xres * fbi->var.yres) << 2;
2201 fb_mem_size = ALIGN(fb_mem_size, SZ_1M);
2202 #if defined(CONFIG_ION_ROCKCHIP)
2203 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0, ION_HEAP(ION_CMA_HEAP_ID), 0);
2204 if (IS_ERR(handle)) {
2205 dev_err(fbi->device, "failed to ion_alloc:%ld\n",PTR_ERR(handle));
2208 win->area[0].ion_hdl = handle;
2209 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
2210 ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
2211 fbi->fix.smem_start = phy_addr;
2212 fbi->fix.smem_len = len;
2213 printk("alloc_buffer:smem_start=0x%x\n",phy_addr);
2216 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size, &fb_mem_phys,
2219 pr_err("%s: Failed to allocate framebuffer\n", __func__);
2222 fbi->fix.smem_len = fb_mem_size;
2223 fbi->fix.smem_start = fb_mem_phys;
2224 fbi->screen_base = fb_mem_virt;
2226 memset(fbi->screen_base, 0, fbi->fix.smem_len);
2227 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
2228 fbi->fix.smem_start, fbi->screen_base, fbi->fix.smem_len);
2230 #if defined(CONFIG_FB_ROTATE) || !defined(CONFIG_THREE_FB_BUFFER)
2231 res = platform_get_resource_byname(fb_pdev,
2232 IORESOURCE_MEM, "fb2 buf");
2234 dev_err(&fb_pdev->dev, "failed to get win0 memory \n");
2237 fbi->fix.smem_start = res->start;
2238 fbi->fix.smem_len = res->end - res->start + 1;
2239 mem = request_mem_region(res->start, resource_size(res),
2241 fbi->screen_base = ioremap(res->start, fbi->fix.smem_len);
2242 memset(fbi->screen_base, 0, fbi->fix.smem_len);
2243 #else /*three buffer no need to copy*/
2244 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
2245 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
2246 fbi->screen_base = rk_fb->fb[0]->screen_base;
2248 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
2249 fbi->fix.smem_start, fbi->screen_base, fbi->fix.smem_len);
2252 fbi->screen_size = fbi->fix.smem_len;
2253 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
2255 win = dev_drv->win[win_id];
2256 win->reserved = fbi->fix.smem_start;
2262 static int rk_release_fb_buffer(struct fb_info *fbi)
2264 if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3")) /*buffer for fb1 and fb3 are alloc by android*/
2266 iounmap(fbi->screen_base);
2267 release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
2271 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv, struct rk_lcdc_win *def_win)
2274 int lcdc_win_num = dev_drv->lcdc_win_num;
2275 for (i = 0; i < lcdc_win_num; i++) {
2276 struct rk_lcdc_win *win = NULL;
2277 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
2279 dev_err(dev_drv->dev, "kzmalloc for win fail!");
2283 strcpy(win->name, def_win->name);
2284 win->id = def_win->id;
2285 win->support_3d = def_win->support_3d;
2286 dev_drv->win[i] = win;
2293 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
2294 struct rk_lcdc_win *def_win, int index)
2296 struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
2297 struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
2298 sizeof(struct rk_screen), GFP_KERNEL);
2300 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
2305 screen->screen_id = 0;
2306 screen->lcdc_id = dev_drv->id;
2307 dev_drv->screen0 = screen;
2308 dev_drv->cur_screen = screen;
2309 /* devie use one lcdc + rk61x scaler for dual display*/
2310 if (rk_fb->disp_mode == ONE_DUAL) {
2311 struct rk_screen *screen1 = devm_kzalloc(dev_drv->dev,
2312 sizeof(struct rk_screen), GFP_KERNEL);
2314 dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
2318 screen1->screen_id = 1;
2319 screen1->lcdc_id = 1;
2320 dev_drv->screen1 = screen1;
2322 sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
2323 init_lcdc_win(dev_drv, def_win);
2324 init_completion(&dev_drv->frame_done);
2325 spin_lock_init(&dev_drv->cpl_lock);
2326 mutex_init(&dev_drv->fb_win_id_mutex);
2327 dev_drv->ops->fb_win_remap(dev_drv, FB_DEFAULT_ORDER);
2328 dev_drv->first_frame = 1;
2329 rk_disp_pwr_ctr_parse_dt(dev_drv);
2330 rk_disp_prase_timing_dt(dev_drv);
2335 #ifdef CONFIG_LOGO_LINUX_BMP
2336 static struct linux_logo *bmp_logo;
2337 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
2339 bmp_logo = fb_find_logo(24);
2340 if (bmp_logo == NULL) {
2341 printk(KERN_INFO "%s error\n", __func__);
2347 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
2349 unsigned char *src = bmp_logo->data;
2350 unsigned char *dst = info->screen_base;
2352 unsigned int Needwidth = (*(src-24)<<8) | (*(src-23));
2353 unsigned int Needheight = (*(src-22)<<8) | (*(src-21));
2355 for (i = 0; i < Needheight; i++)
2356 memcpy(dst+info->var.xres*i*4,
2357 src+bmp_logo->width*i*4, Needwidth*4);
2362 /********************************
2363 *check if the primary lcdc has registerd,
2364 the primary lcdc mas register first
2365 *********************************/
2366 bool is_prmry_rk_lcdc_registered(void)
2368 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2369 if (rk_fb->lcdc_dev_drv[0])
2376 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
2377 struct rk_lcdc_win *win, int id)
2379 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2380 struct fb_info *fbi;
2381 int i = 0, ret = 0, index = 0;
2383 if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
2386 for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
2387 if (!rk_fb->lcdc_dev_drv[i]) {
2388 rk_fb->lcdc_dev_drv[i] = dev_drv;
2389 rk_fb->lcdc_dev_drv[i]->id = id;
2396 init_lcdc_device_driver(rk_fb, win, index);
2397 dev_drv->fb_index_base = rk_fb->num_fb;
2398 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2399 fbi = framebuffer_alloc(0, &fb_pdev->dev);
2401 dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
2407 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
2408 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
2409 fbi->var.grayscale |= (fbi->var.xres<<8) + (fbi->var.yres<<20);
2410 #if defined(CONFIG_LOGO_LINUX_BMP)
2411 fbi->var.bits_per_pixel = 32;
2413 fbi->var.bits_per_pixel = 16;
2415 fbi->fix.line_length = (fbi->var.xres)*(fbi->var.bits_per_pixel>>3);
2416 fbi->var.width = dev_drv->cur_screen->width;
2417 fbi->var.height = dev_drv->cur_screen->height;
2418 fbi->var.pixclock = dev_drv->pixclock;
2419 fbi->fbops = &fb_ops;
2420 fbi->flags = FBINFO_FLAG_DEFAULT;
2421 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
2422 if (i == 0) /* only alloc memory for main fb*/
2423 rk_fb_alloc_buffer(fbi, rk_fb->num_fb);
2424 ret = register_framebuffer(fbi);
2426 dev_err(&fb_pdev->dev, "%s fb%d register_framebuffer fail!\n",
2427 __func__, rk_fb->num_fb);
2430 rkfb_create_sysfs(fbi);
2431 rk_fb->fb[rk_fb->num_fb] = fbi;
2432 dev_info(&fb_pdev->dev, "rockchip framebuffer registerd:%s\n",
2437 init_waitqueue_head(&dev_drv->vsync_info.wait);
2438 ret = device_create_file(fbi->dev, &dev_attr_vsync);
2440 dev_err(fbi->dev, "failed to create vsync file\n");
2441 dev_drv->vsync_info.thread = kthread_run(rk_fb_wait_for_vsync_thread,
2442 dev_drv, "fb-vsync");
2443 if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
2444 dev_err(fbi->dev, "failed to run vsync thread\n");
2445 dev_drv->vsync_info.thread = NULL;
2447 dev_drv->vsync_info.active = 1;
2449 mutex_init(&dev_drv->output_lock);
2451 INIT_LIST_HEAD(&dev_drv->update_regs_list);
2452 mutex_init(&dev_drv->update_regs_list_lock);
2453 init_kthread_worker(&dev_drv->update_regs_worker);
2455 dev_drv->update_regs_thread = kthread_run(kthread_worker_fn,
2456 &dev_drv->update_regs_worker, "rk-fb");
2457 if (IS_ERR(dev_drv->update_regs_thread)) {
2458 int err = PTR_ERR(dev_drv->update_regs_thread);
2459 dev_drv->update_regs_thread = NULL;
2461 printk("failed to run update_regs thread\n");
2464 init_kthread_work(&dev_drv->update_regs_work, rk_fb_update_regs_handler);
2466 dev_drv->timeline = sw_sync_timeline_create("fb-timeline"); dev_drv->timeline_max = 1;
2471 /*show logo for primary display device*/
2472 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO)
2473 if (dev_drv->prop == PRMRY) {
2474 struct fb_info *main_fbi = rk_fb->fb[0];
2475 main_fbi->fbops->fb_open(main_fbi, 1);
2476 main_fbi->fbops->fb_set_par(main_fbi);
2477 #if defined(CONFIG_LOGO_LINUX_BMP)
2478 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
2479 fb_set_cmap(&main_fbi->cmap, main_fbi);
2480 fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
2481 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
2484 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
2485 fb_set_cmap(&main_fbi->cmap, main_fbi);
2486 fb_show_logo(main_fbi, FB_ROTATE_UR);
2487 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
2490 //main_fbi->fbops->fb_ioctl(main_fbi, RK_FBIOSET_CONFIG_DONE, 0);
2491 main_fbi->fbops->fb_set_par(main_fbi);
2500 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
2503 struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
2504 struct fb_info *fbi;
2505 int fb_index_base = dev_drv->fb_index_base;
2506 int fb_num = dev_drv->lcdc_win_num;
2509 if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
2510 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
2511 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
2514 for (i = 0; i < fb_num; i++)
2515 kfree(dev_drv->win[i]);
2517 for (i = fb_index_base; i < (fb_index_base+fb_num); i++) {
2518 fbi = fb_inf->fb[i];
2519 unregister_framebuffer(fbi);
2520 /*rk_release_fb_buffer(fbi);*/
2521 framebuffer_release(fbi);
2523 fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
2531 #if defined(CONFIG_HAS_EARLYSUSPEND)
2532 struct suspend_info {
2533 struct early_suspend early_suspend;
2537 static void rkfb_early_suspend(struct early_suspend *h)
2539 struct suspend_info *info = container_of(h, struct suspend_info,
2541 struct rk_fb *inf = info->inf;
2543 for (i = 0; i < inf->num_lcdc; i++) {
2544 if (!inf->lcdc_dev_drv[i])
2546 inf->lcdc_dev_drv[i]->suspend(inf->lcdc_dev_drv[i]);
2549 static void rkfb_early_resume(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]->resume(inf->lcdc_dev_drv[i]);
2565 static struct suspend_info suspend_info = {
2566 .early_suspend.suspend = rkfb_early_suspend,
2567 .early_suspend.resume = rkfb_early_resume,
2568 .early_suspend.level = EARLY_SUSPEND_LEVEL_DISABLE_FB,
2572 static int rk_fb_probe(struct platform_device *pdev)
2574 struct rk_fb *rk_fb = NULL;
2575 struct device_node *np = pdev->dev.of_node;
2579 dev_err(&pdev->dev, "Missing device tree node.\n");
2583 rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
2585 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
2588 platform_set_drvdata(pdev, rk_fb);
2590 if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
2591 rk_fb->disp_mode = mode;
2594 dev_err(&pdev->dev, "no disp-mode node found!");
2597 dev_set_name(&pdev->dev, "rockchip-fb");
2598 #if defined(CONFIG_ION_ROCKCHIP)
2599 rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
2600 if (IS_ERR(rk_fb->ion_client)) {
2601 dev_err(&pdev->dev, "failed to create ion client for rk fb");
2602 return PTR_ERR(rk_fb->ion_client);
2604 dev_info(&pdev->dev, "rk fb ion client create success!\n");
2608 #if defined(CONFIG_HAS_EARLYSUSPEND)
2609 suspend_info.inf = rk_fb;
2610 register_early_suspend(&suspend_info.early_suspend);
2613 dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
2617 static int rk_fb_remove(struct platform_device *pdev)
2619 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
2621 platform_set_drvdata(pdev, NULL);
2625 static void rk_fb_shutdown(struct platform_device *pdev)
2627 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
2629 for (i = 0; i < rk_fb->num_lcdc; i++) {
2630 if (!rk_fb->lcdc_dev_drv[i])
2635 #if defined(CONFIG_HAS_EARLYSUSPEND)
2636 unregister_early_suspend(&suspend_info.early_suspend);
2641 static const struct of_device_id rkfb_dt_ids[] = {
2642 { .compatible = "rockchip,rk-fb", },
2646 static struct platform_driver rk_fb_driver = {
2647 .probe = rk_fb_probe,
2648 .remove = rk_fb_remove,
2651 .owner = THIS_MODULE,
2652 .of_match_table = of_match_ptr(rkfb_dt_ids),
2654 .shutdown = rk_fb_shutdown,
2657 static int __init rk_fb_init(void)
2659 return platform_driver_register(&rk_fb_driver);
2662 static void __exit rk_fb_exit(void)
2664 platform_driver_unregister(&rk_fb_driver);
2667 subsys_initcall_sync(rk_fb_init);
2668 module_exit(rk_fb_exit);