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>
33 #if defined(CONFIG_RK_HDMI)
34 #include "hdmi/rk_hdmi.h"
37 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
43 #include <linux/of_gpio.h>
44 #include <video/of_display_timing.h>
45 #include <video/display_timing.h>
46 #include <dt-bindings/rkfb/rk_fb.h>
49 #if defined(CONFIG_ION_ROCKCHIP)
50 #include <linux/rockchip_ion.h>
51 #include <linux/rockchip/iovmm.h>
52 #include <linux/rockchip/sysmmu.h>
53 #include <linux/dma-buf.h>
54 #include <linux/highmem.h>
58 static int hdmi_switch_complete;
59 static struct platform_device *fb_pdev;
60 struct list_head saved_list;
62 #if defined(CONFIG_FB_MIRRORING)
63 int (*video_data_to_mirroring) (struct fb_info *info, u32 yuv_phy[2]);
64 EXPORT_SYMBOL(video_data_to_mirroring);
67 struct rk_fb_reg_win_data g_reg_win_data[4];
68 static int g_last_win_num;
69 static int g_first_buf = 1;
70 static struct rk_fb_trsm_ops *trsm_lvds_ops;
71 static struct rk_fb_trsm_ops *trsm_edp_ops;
72 static struct rk_fb_trsm_ops *trsm_mipi_ops;
73 static int uboot_logo_on;
74 int support_uboot_display(void)
79 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
84 case SCREEN_DUAL_LVDS:
91 case SCREEN_DUAL_MIPI:
95 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
102 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
104 struct rk_fb_trsm_ops *ops;
108 case SCREEN_DUAL_LVDS:
115 case SCREEN_DUAL_MIPI:
120 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
127 int rk_fb_pixel_width(int data_format)
130 switch (data_format) {
153 printk(KERN_WARNING "%s:un supported format:0x%x\n",
154 __func__, data_format);
160 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
164 switch (data_format) {
165 case HAL_PIXEL_FORMAT_RGBX_8888:
166 fb_data_fmt = XBGR888;
168 case HAL_PIXEL_FORMAT_RGBA_8888:
169 fb_data_fmt = ABGR888;
171 case HAL_PIXEL_FORMAT_BGRA_8888:
172 fb_data_fmt = ARGB888;
174 case HAL_PIXEL_FORMAT_RGB_888:
175 fb_data_fmt = RGB888;
177 case HAL_PIXEL_FORMAT_RGB_565:
178 fb_data_fmt = RGB565;
180 case HAL_PIXEL_FORMAT_YCbCr_422_SP: /* yuv422 */
181 fb_data_fmt = YUV422;
183 case HAL_PIXEL_FORMAT_YCrCb_NV12: /* YUV420---uvuvuv */
184 fb_data_fmt = YUV420;
186 case HAL_PIXEL_FORMAT_YCrCb_444: /* yuv444 */
187 fb_data_fmt = YUV444;
189 case HAL_PIXEL_FORMAT_YCrCb_NV12_10: /* yuv444 */
190 fb_data_fmt = YUV420_A;
192 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10: /* yuv444 */
193 fb_data_fmt = YUV422_A;
195 case HAL_PIXEL_FORMAT_YCrCb_420_SP_10: /* yuv444 */
196 fb_data_fmt = YUV444_A;
199 printk(KERN_WARNING "%s:un supported format:0x%x\n",
200 __func__, data_format);
204 switch (bits_per_pixel) {
206 fb_data_fmt = ARGB888;
209 fb_data_fmt = RGB565;
213 "%s:un supported bits_per_pixel:%d\n", __func__,
222 * rk display power control parse from dts
224 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
226 struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
228 struct device_node *child;
229 struct rk_disp_pwr_ctr_list *pwr_ctr;
230 struct list_head *pos;
231 enum of_gpio_flags flags;
236 INIT_LIST_HEAD(&dev_drv->pwrlist_head);
238 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
243 for_each_child_of_node(root, child) {
244 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
246 strcpy(pwr_ctr->pwr_ctr.name, child->name);
247 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
249 pwr_ctr->pwr_ctr.type = GPIO;
250 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
251 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
252 dev_err(dev_drv->dev, "%s ivalid gpio\n",
256 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
257 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
260 dev_err(dev_drv->dev,
261 "request %s gpio fail:%d\n",
266 pwr_ctr->pwr_ctr.type = REGULATOR;
270 of_property_read_u32(child, "rockchip,delay", &val);
271 pwr_ctr->pwr_ctr.delay = val;
272 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
275 of_property_read_u32(root, "rockchip,debug", &debug);
278 list_for_each(pos, &dev_drv->pwrlist_head) {
279 pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
281 printk(KERN_INFO "pwr_ctr_name:%s\n"
286 pwr_ctr->pwr_ctr.name,
287 (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
288 pwr_ctr->pwr_ctr.gpio,
289 pwr_ctr->pwr_ctr.atv_val,
290 pwr_ctr->pwr_ctr.delay);
298 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
300 struct list_head *pos;
301 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
302 struct pwr_ctr *pwr_ctr;
303 if (list_empty(&dev_drv->pwrlist_head))
305 list_for_each(pos, &dev_drv->pwrlist_head) {
306 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
308 pwr_ctr = &pwr_ctr_list->pwr_ctr;
309 if (pwr_ctr->type == GPIO) {
310 gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
311 mdelay(pwr_ctr->delay);
318 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
320 struct list_head *pos;
321 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
322 struct pwr_ctr *pwr_ctr;
323 if (list_empty(&dev_drv->pwrlist_head))
325 list_for_each(pos, &dev_drv->pwrlist_head) {
326 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
328 pwr_ctr = &pwr_ctr_list->pwr_ctr;
329 if (pwr_ctr->type == GPIO)
330 gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
335 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
336 struct rk_screen *screen)
338 screen->mode.pixclock = dt->pixelclock.typ;
339 screen->mode.left_margin = dt->hback_porch.typ;
340 screen->mode.right_margin = dt->hfront_porch.typ;
341 screen->mode.xres = dt->hactive.typ;
342 screen->mode.hsync_len = dt->hsync_len.typ;
343 screen->mode.upper_margin = dt->vback_porch.typ;
344 screen->mode.lower_margin = dt->vfront_porch.typ;
345 screen->mode.yres = dt->vactive.typ;
346 screen->mode.vsync_len = dt->vsync_len.typ;
347 screen->type = dt->screen_type;
348 screen->lvds_format = dt->lvds_format;
349 screen->face = dt->face;
351 if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
352 screen->pin_dclk = 1;
354 screen->pin_dclk = 0;
355 if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
356 screen->pin_hsync = 1;
358 screen->pin_hsync = 0;
359 if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
360 screen->pin_vsync = 1;
362 screen->pin_vsync = 0;
363 if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
372 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
374 struct display_timings *disp_timing;
375 struct display_timing *dt;
376 disp_timing = of_get_display_timings(np);
378 pr_err("parse display timing err\n");
381 dt = display_timings_get(disp_timing, 0);
382 rk_fb_video_mode_from_timing(dt, screen);
387 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
390 unsigned long long hz;
392 printk(KERN_ERR "%s:null screen!\n", __func__);
395 x = screen->mode.xres + screen->mode.left_margin +
396 screen->mode.right_margin + screen->mode.hsync_len;
397 y = screen->mode.yres + screen->mode.upper_margin +
398 screen->mode.lower_margin + screen->mode.vsync_len;
400 hz = 1000000000000ULL; /* 1e12 picoseconds per second */
403 do_div(hz, x * y); /* divide by x * y with rounding */
406 do_div(hz, pixclock); /* divide by pixclock with rounding */
411 char *get_format_string(enum data_format format, char *fmt)
417 strcpy(fmt, "ARGB888");
420 strcpy(fmt, "RGB888");
423 strcpy(fmt, "RGB565");
426 strcpy(fmt, "YUV420");
429 strcpy(fmt, "YUV422");
432 strcpy(fmt, "YUV444");
435 strcpy(fmt, "YUV420_A");
438 strcpy(fmt, "YUV422_A");
441 strcpy(fmt, "YUV444_A");
444 strcpy(fmt, "XRGB888");
447 strcpy(fmt, "XBGR888");
450 strcpy(fmt, "XBGR888");
453 strcpy(fmt, "invalid");
463 * name: lcdc device name ,lcdc0 , lcdc1
465 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
467 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
469 for (i = 0; i < inf->num_lcdc; i++) {
470 if (!strcmp(inf->lcdc_dev_drv[i]->name, name))
473 return inf->lcdc_dev_drv[i];
477 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
479 struct rk_fb *inf = NULL;
480 struct rk_lcdc_driver *dev_drv = NULL;
484 inf = platform_get_drvdata(fb_pdev);
488 for (i = 0; i < inf->num_lcdc; i++) {
489 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
490 dev_drv = inf->lcdc_dev_drv[i];
499 * get one frame time of the prmry screen, unit: us
501 u32 rk_fb_get_prmry_screen_ft(void)
503 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
504 uint32_t htotal, vtotal, pixclock_ps;
505 u64 pix_total, ft_us;
507 if (unlikely(!dev_drv))
510 pixclock_ps = dev_drv->pixclock;
512 vtotal = (dev_drv->cur_screen->mode.upper_margin +
513 dev_drv->cur_screen->mode.lower_margin +
514 dev_drv->cur_screen->mode.yres +
515 dev_drv->cur_screen->mode.vsync_len);
516 htotal = (dev_drv->cur_screen->mode.left_margin +
517 dev_drv->cur_screen->mode.right_margin +
518 dev_drv->cur_screen->mode.xres +
519 dev_drv->cur_screen->mode.hsync_len);
520 pix_total = htotal * vtotal;
521 ft_us = pix_total * pixclock_ps;
522 do_div(ft_us, 1000000);
523 if (dev_drv->frame_time.ft == 0)
524 dev_drv->frame_time.ft = ft_us;
526 ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
528 ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
530 dev_drv->frame_time.ft = ft_us;
532 return dev_drv->frame_time.ft;
536 * get the vblanking time of the prmry screen, unit: us
538 u32 rk_fb_get_prmry_screen_vbt(void)
540 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
541 uint32_t htotal, vblank, pixclock_ps;
542 u64 pix_blank, vbt_us;
544 if (unlikely(!dev_drv))
547 pixclock_ps = dev_drv->pixclock;
549 htotal = (dev_drv->cur_screen->mode.left_margin +
550 dev_drv->cur_screen->mode.right_margin +
551 dev_drv->cur_screen->mode.xres +
552 dev_drv->cur_screen->mode.hsync_len);
553 vblank = (dev_drv->cur_screen->mode.upper_margin +
554 dev_drv->cur_screen->mode.lower_margin +
555 dev_drv->cur_screen->mode.vsync_len);
556 pix_blank = htotal * vblank;
557 vbt_us = pix_blank * pixclock_ps;
558 do_div(vbt_us, 1000000);
563 * get the frame done time of the prmry screen, unit: us
565 u64 rk_fb_get_prmry_screen_framedone_t(void)
567 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
569 return dev_drv->frame_time.framedone_t;
573 static struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
575 struct rk_fb *inf = NULL;
576 struct rk_lcdc_driver *dev_drv = NULL;
580 inf = platform_get_drvdata(fb_pdev);
584 for (i = 0; i < inf->num_lcdc; i++) {
585 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
586 dev_drv = inf->lcdc_dev_drv[i];
595 u32 rk_fb_get_prmry_screen_pixclock(void)
597 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
598 return dev_drv->pixclock;
601 int rk_fb_poll_prmry_screen_vblank(void)
603 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
604 if (likely(dev_drv)) {
605 if (dev_drv->ops->poll_vblank)
606 return dev_drv->ops->poll_vblank(dev_drv);
608 return RK_LF_STATUS_NC;
610 return RK_LF_STATUS_NC;
613 bool rk_fb_poll_wait_frame_complete(void)
615 uint32_t timeout = RK_LF_MAX_TIMEOUT;
616 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
618 if (likely(dev_drv)) {
619 if (dev_drv->ops->set_irq_to_cpu)
620 dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
623 if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
624 if (likely(dev_drv)) {
625 if (dev_drv->ops->set_irq_to_cpu)
626 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
630 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
632 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
634 if (likely(dev_drv)) {
635 if (dev_drv->ops->set_irq_to_cpu)
636 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
642 static int rk_fb_open(struct fb_info *info, int user)
644 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
647 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
648 /* if this win aready opened ,no need to reopen */
649 if (dev_drv->win[win_id]->state)
652 dev_drv->ops->open(dev_drv, win_id, 1);
656 static int get_extend_fb_id(struct fb_info *info)
659 char *id = info->fix.id;
660 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
661 if (!strcmp(id, "fb0"))
663 else if (!strcmp(id, "fb1"))
665 else if (!strcmp(id, "fb2") && (dev_drv->lcdc_win_num > 2))
670 static int rk_fb_close(struct fb_info *info, int user)
672 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
673 struct rk_lcdc_win *win = NULL;
674 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
676 win = dev_drv->win[win_id];
677 info->fix.smem_start = win->reserved;
679 info->var.xres = dev_drv->screen0->mode.xres;
680 info->var.yres = dev_drv->screen0->mode.yres;
681 info->var.grayscale |=
682 (info->var.xres << 8) + (info->var.yres << 20);
683 info->var.xres_virtual = info->var.xres;
684 info->var.yres_virtual = info->var.yres;
685 #if defined(CONFIG_LOGO_LINUX_BMP)
686 info->var.bits_per_pixel = 32;
688 info->var.bits_per_pixel = 16;
691 info->fix.line_length =
692 (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
693 info->var.width = dev_drv->screen0->width;
694 info->var.height = dev_drv->screen0->height;
695 info->var.pixclock = dev_drv->pixclock;
696 info->var.left_margin = dev_drv->screen0->mode.left_margin;
697 info->var.right_margin = dev_drv->screen0->mode.right_margin;
698 info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
699 info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
700 info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
701 info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
708 #if defined(CONFIG_RK29_IPP)
709 static int get_ipp_format(int fmt)
711 int ipp_fmt = IPP_XRGB_8888;
713 case HAL_PIXEL_FORMAT_RGBX_8888:
714 case HAL_PIXEL_FORMAT_RGBA_8888:
715 case HAL_PIXEL_FORMAT_BGRA_8888:
716 case HAL_PIXEL_FORMAT_RGB_888:
717 ipp_fmt = IPP_XRGB_8888;
719 case HAL_PIXEL_FORMAT_RGB_565:
720 ipp_fmt = IPP_RGB_565;
722 case HAL_PIXEL_FORMAT_YCbCr_422_SP:
723 ipp_fmt = IPP_Y_CBCR_H2V1;
725 case HAL_PIXEL_FORMAT_YCrCb_NV12:
726 ipp_fmt = IPP_Y_CBCR_H2V2;
728 case HAL_PIXEL_FORMAT_YCrCb_444:
729 ipp_fmt = IPP_Y_CBCR_H1V1;
732 ipp_fmt = IPP_IMGTYPE_LIMIT;
739 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
740 int rotation, int fmt)
745 if (fmt == IPP_XRGB_8888) {
748 } else if (fmt == IPP_RGB_565) {
755 align16 -= 1; /*for YUV, 1 */
756 align64 -= 1; /*for YUV, 7 */
758 if (rotation == IPP_ROT_0) {
759 if (fmt > IPP_RGB_565) {
760 if ((*dst_w & 1) != 0)
762 if ((*dst_h & 1) != 0)
764 if (*dst_vir_w < *dst_w)
769 if ((*dst_w & align64) != 0)
770 *dst_w = (*dst_w + align64) & (~align64);
771 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
773 if (*dst_vir_w < *dst_w)
779 static void fb_copy_by_ipp(struct fb_info *dst_info,
780 struct fb_info *src_info, int offset)
782 struct rk29_ipp_req ipp_req;
783 uint32_t rotation = 0;
784 int dst_w, dst_h, dst_vir_w;
786 u8 data_format = (dst_info->var.nonstd) & 0xff;
787 struct rk_lcdc_driver *ext_dev_drv =
788 (struct rk_lcdc_driver *)dst_info->par;
789 u16 orientation = ext_dev_drv->rotate_mode;
791 memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
793 switch (orientation) {
795 rotation = IPP_ROT_0;
798 rotation = IPP_ROT_90;
801 rotation = IPP_ROT_180;
804 rotation = IPP_ROT_270;
807 rotation = IPP_ROT_270;
812 dst_w = dst_info->var.xres;
813 dst_h = dst_info->var.yres;
814 dst_vir_w = dst_info->var.xres_virtual;
815 ipp_fmt = get_ipp_format(data_format);
816 ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
817 ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
818 ipp_req.src0.w = src_info->var.xres;
819 ipp_req.src0.h = src_info->var.yres;
820 ipp_req.src_vir_w = src_info->var.xres_virtual;
821 ipp_req.src0.fmt = ipp_fmt;
823 ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
824 ipp_req.dst0.w = dst_w;
825 ipp_req.dst0.h = dst_h;
826 ipp_req.dst_vir_w = dst_vir_w;
827 ipp_req.dst0.fmt = ipp_fmt;
829 ipp_req.timeout = 100;
830 ipp_req.flag = rotation;
831 ipp_blit_sync(&ipp_req);
837 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
838 static int get_rga_format(int fmt)
844 rga_fmt = RK_FORMAT_RGBX_8888;
847 rga_fmt = RK_FORMAT_RGBA_8888;
850 rga_fmt = RK_FORMAT_BGRA_8888;
853 rga_fmt = RK_FORMAT_RGB_888;
856 rga_fmt = RK_FORMAT_RGB_565;
859 rga_fmt = RK_FORMAT_YCbCr_422_SP;
862 rga_fmt = RK_FORMAT_YCbCr_420_SP;
865 rga_fmt = RK_FORMAT_RGBA_8888;
872 static void rga_win_check(struct rk_lcdc_win *dst_win,
873 struct rk_lcdc_win *src_win)
878 /*width and height must be aligned by 32 bit */
879 if ((src_win->area[0].xact & align32) != 0)
880 src_win->area[0].xact =
881 (src_win->area[0].xact + align32) & (~align32);
882 if ((src_win->area[0].yact & align32) != 0)
883 src_win->area[0].yact =
884 (src_win->area[0].yact + align32) & (~align32);
885 if (src_win->area[0].xvir < src_win->area[0].xact)
886 src_win->area[0].xvir = src_win->area[0].xact;
887 if (src_win->area[0].yvir < src_win->area[0].yact)
888 src_win->area[0].yvir = src_win->area[0].yact;
890 if ((dst_win->area[0].xact & align32) != 0)
891 dst_win->area[0].xact =
892 (dst_win->area[0].xact + align32) & (~align32);
893 if ((dst_win->area[0].yact & align32) != 0)
894 dst_win->area[0].yact =
895 (dst_win->area[0].yact + align32) & (~align32);
896 if (dst_win->area[0].xvir < dst_win->area[0].xact)
897 dst_win->area[0].xvir = dst_win->area[0].xact;
898 if (dst_win->area[0].yvir < dst_win->area[0].yact)
899 dst_win->area[0].yvir = dst_win->area[0].yact;
902 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
903 struct rk_lcdc_win *src_win, u16 orientation)
905 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
906 struct rga_req Rga_Request;
910 memset(&Rga_Request, 0, sizeof(Rga_Request));
911 rga_win_check(dst_win, src_win);
913 switch (orientation) {
915 Rga_Request.rotate_mode = 1;
916 Rga_Request.sina = 65536;
917 Rga_Request.cosa = 0;
918 Rga_Request.dst.act_w = dst_win->area[0].yact;
919 Rga_Request.dst.act_h = dst_win->area[0].xact;
920 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
921 Rga_Request.dst.y_offset = 0;
924 Rga_Request.rotate_mode = 1;
925 Rga_Request.sina = 0;
926 Rga_Request.cosa = -65536;
927 Rga_Request.dst.act_w = dst_win->area[0].xact;
928 Rga_Request.dst.act_h = dst_win->area[0].yact;
929 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
930 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
933 Rga_Request.rotate_mode = 1;
934 Rga_Request.sina = -65536;
935 Rga_Request.cosa = 0;
936 Rga_Request.dst.act_w = dst_win->area[0].yact;
937 Rga_Request.dst.act_h = dst_win->area[0].xact;
938 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
939 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
942 Rga_Request.rotate_mode = 0;
943 Rga_Request.dst.act_w = dst_win->area[0].xact;
944 Rga_Request.dst.act_h = dst_win->area[0].yact;
945 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
946 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
950 #if defined(CONFIG_ROCKCHIP_RGA)
951 Rga_Request.src.yrgb_addr =
952 src_win->area[0].smem_start + src_win->area[0].y_offset;
953 Rga_Request.src.uv_addr = 0;
954 Rga_Request.src.v_addr = 0;
956 dst_win->area[0].smem_start =
957 rk_fb->fb[rk_fb->num_fb >> 1]->fix.smem_start;
958 Rga_Request.dst.yrgb_addr =
959 dst_win->area[0].smem_start + dst_win->area[0].y_offset;
960 Rga_Request.dst.uv_addr = 0;
961 Rga_Request.dst.v_addr = 0;
962 #elif defined(CONFIG_ROCKCHIP_RGA2)
964 fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
965 Rga_Request.src.yrgb_addr = fd;
966 fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
967 Rga_Request.dst.yrgb_addr = fd;
969 Rga_Request.src.yrgb_addr = 0;
970 Rga_Request.src.uv_addr =
971 src_win->area[0].smem_start + src_win->area[0].y_offset;
972 Rga_Request.src.v_addr = 0;
974 dst_win->area[0].smem_start =
975 rk_fb->fb[rk_fb->num_fb >> 1]->fix.smem_start;
976 Rga_Request.dst.yrgb_addr = 0;
977 Rga_Request.dst.uv_addr =
978 dst_win->area[0].smem_start + dst_win->area[0].y_offset;
979 Rga_Request.dst.v_addr = 0;
982 Rga_Request.src.vir_w = src_win->area[0].xvir;
983 Rga_Request.src.vir_h = src_win->area[0].yvir;
984 Rga_Request.src.format = get_rga_format(src_win->format);
985 Rga_Request.src.act_w = src_win->area[0].xact;
986 Rga_Request.src.act_h = src_win->area[0].yact;
987 Rga_Request.src.x_offset = 0;
988 Rga_Request.src.y_offset = 0;
990 Rga_Request.dst.vir_w = dst_win->area[0].xvir;
991 Rga_Request.dst.vir_h = dst_win->area[0].yvir;
992 Rga_Request.dst.format = get_rga_format(dst_win->format);
994 Rga_Request.clip.xmin = 0;
995 Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
996 Rga_Request.clip.ymin = 0;
997 Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
998 Rga_Request.scale_mode = 0;
999 #if defined(CONFIG_ROCKCHIP_IOMMU)
1000 Rga_Request.mmu_info.mmu_en = 1; /* TODO Modify for use mmu */
1001 Rga_Request.mmu_info.mmu_flag = 1;
1003 Rga_Request.mmu_info.mmu_en = 0;
1004 Rga_Request.mmu_info.mmu_flag = 0;
1007 ret = rga_ioctl_kernel(&Rga_Request);
1011 * This function is used for copying fb by RGA Module
1012 * RGA only support copy RGB to RGB
1013 * RGA2 support copy RGB to RGB and YUV to YUV
1015 static void fb_copy_by_rga(struct fb_info *dst_info, struct fb_info *src_info,
1018 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)src_info->par;
1019 struct rk_lcdc_driver *ext_dev_drv =
1020 (struct rk_lcdc_driver *)dst_info->par;
1021 int win_id = 0, ext_win_id;
1022 struct rk_lcdc_win *src_win, *dst_win;
1024 win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1025 src_win = dev_drv->win[win_id];
1028 ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1029 dst_win = ext_dev_drv->win[ext_win_id];
1031 win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode);
1036 static int rk_fb_rotate(struct fb_info *dst_info,
1037 struct fb_info *src_info, int offset)
1039 #if defined(CONFIG_RK29_IPP)
1040 fb_copy_by_ipp(dst_info, src_info, offset);
1041 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1042 fb_copy_by_rga(dst_info, src_info, offset);
1049 static int rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1050 struct rk_lcdc_win *src_win, u16 rotate)
1052 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1053 win_copy_by_rga(dst_win, src_win, rotate);
1061 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1062 struct fb_info *info)
1064 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1065 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1066 struct fb_fix_screeninfo *fix = &info->fix;
1067 struct fb_info *extend_info = NULL;
1068 struct rk_lcdc_driver *extend_dev_drv = NULL;
1069 int win_id = 0, extend_win_id = 0;
1070 struct rk_lcdc_win *extend_win = NULL;
1071 struct rk_lcdc_win *win = NULL;
1072 struct rk_screen *screen = dev_drv->cur_screen;
1075 u32 xoffset = var->xoffset;
1076 u32 yoffset = var->yoffset;
1077 u32 xvir = var->xres_virtual;
1078 /* u32 yvir = var->yres_virtual; */
1079 /* u8 data_format = var->nonstd&0xff; */
1083 u32 stride, uv_stride;
1086 u16 uv_x_off, uv_y_off, uv_y_act;
1089 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1093 win = dev_drv->win[win_id];
1095 if (rk_fb->disp_mode == DUAL) {
1096 fb_id = get_extend_fb_id(info);
1097 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
1098 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
1099 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
1100 extend_info->fix.id);
1101 extend_win = extend_dev_drv->win[extend_win_id];
1104 pixel_width = rk_fb_pixel_width(win->format);
1105 vir_width_bit = pixel_width * xvir;
1106 /* pixel_width = byte_num * 8 */
1107 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1108 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1110 switch (win->format) {
1114 stride = stride_32bit_1;
1115 uv_stride = stride_32bit_1 >> 1;
1116 uv_x_off = xoffset >> 1;
1118 fix->line_length = stride;
1119 uv_y_act = win->area[0].yact >> 1;
1121 case YUV420: /* 420sp */
1124 stride = stride_32bit_1;
1125 uv_stride = stride_32bit_1;
1127 uv_y_off = yoffset >> 1;
1128 fix->line_length = stride;
1129 uv_y_act = win->area[0].yact >> 1;
1134 stride = stride_32bit_1;
1135 uv_stride = stride_32bit_2;
1136 uv_x_off = xoffset * 2;
1138 fix->line_length = stride << 2;
1139 uv_y_act = win->area[0].yact;
1142 stride = stride_32bit_1; /* default rgb */
1143 fix->line_length = stride;
1147 /* x y mirror ,jump line */
1148 if (screen->y_mirror == 1) {
1149 if (screen->interlace == 1) {
1150 win->area[0].y_offset = yoffset * stride * 2 +
1151 ((win->area[0].yact - 1) * 2 + 1) * stride +
1152 xoffset * pixel_width / 8;
1154 win->area[0].y_offset = yoffset * stride +
1155 (win->area[0].yact - 1) * stride +
1156 xoffset * pixel_width / 8;
1159 if (screen->interlace == 1) {
1160 win->area[0].y_offset =
1161 yoffset * stride * 2 + xoffset * pixel_width / 8;
1163 win->area[0].y_offset =
1164 yoffset * stride + xoffset * pixel_width / 8;
1167 if (is_pic_yuv == 1) {
1168 if (screen->y_mirror == 1) {
1169 if (screen->interlace == 1) {
1170 win->area[0].c_offset =
1171 uv_y_off * uv_stride * 2 +
1172 ((uv_y_act - 1) * 2 + 1) * uv_stride +
1173 uv_x_off * pixel_width / 8;
1175 win->area[0].c_offset = uv_y_off * uv_stride +
1176 (uv_y_act - 1) * uv_stride +
1177 uv_x_off * pixel_width / 8;
1180 if (screen->interlace == 1) {
1181 win->area[0].c_offset =
1182 uv_y_off * uv_stride * 2 +
1183 uv_x_off * pixel_width / 8;
1185 win->area[0].c_offset =
1186 uv_y_off * uv_stride +
1187 uv_x_off * pixel_width / 8;
1192 win->area[0].smem_start = fix->smem_start;
1193 win->area[0].cbr_start = fix->mmio_start;
1194 win->area[0].state = 1;
1198 dev_drv->ops->pan_display(dev_drv, win_id);
1199 if (rk_fb->disp_mode == DUAL) {
1200 if (extend_win->state && (hdmi_switch_complete)) {
1201 extend_win->area[0].y_offset = win->area[0].y_offset;
1202 if (extend_dev_drv->rotate_mode > X_Y_MIRROR) {
1203 rk_fb_rotate(extend_info, info,
1204 win->area[0].y_offset);
1206 extend_win->area[0].smem_start =
1207 win->area[0].smem_start;
1208 extend_win->area[0].cbr_start =
1209 win->area[0].cbr_start;
1211 extend_dev_drv->ops->pan_display(extend_dev_drv,
1215 #ifdef CONFIG_FB_MIRRORING
1216 if (video_data_to_mirroring)
1217 video_data_to_mirroring(info, NULL);
1219 dev_drv->ops->cfg_done(dev_drv);
1223 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1226 i = list_empty(&dev_drv->update_regs_list);
1227 j = list_empty(&saved_list);
1228 return i == j ? 0 : 1;
1232 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1234 int err = sync_fence_wait(fence, 1000);
1240 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1243 printk("error waiting on fence\n");
1246 static int rk_fb_copy_from_loader(struct fb_info *info)
1248 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1249 void *dst = info->screen_base;
1253 struct rk_lcdc_win *win = dev_drv->win[0];
1254 u32 size = (win->area[0].xact) * (win->area[0].yact) << 2;
1255 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1257 dev_info(info->dev, "copy fb data %d x %d from dst_addr:%08x\n",
1258 win->area[0].xact, win->area[0].yact, src);
1259 for (i = 0; i < size; i += PAGE_SIZE) {
1260 void *page = phys_to_page(i + src);
1261 void *from_virt = kmap(page);
1262 void *to_virt = dst + i;
1263 memcpy(to_virt, from_virt, PAGE_SIZE);
1268 #ifdef CONFIG_ROCKCHIP_IOMMU
1269 static int g_last_addr[4];
1274 #define DUMP_CHUNK 256
1275 char buf[PAGE_SIZE];
1277 int rk_fb_sysmmu_fault_handler(struct device *dev,
1278 enum rk_sysmmu_inttype itype,
1279 unsigned long pgtable_base,
1280 unsigned long fault_addr, unsigned int status)
1282 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1284 static int page_fault_cnt;
1285 if ((page_fault_cnt++) >= 10)
1288 ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1289 fault_addr, pgtable_base, status);
1290 printk("last config addr:\n" "win0:0x%08x\n" "win1:0x%08x\n"
1291 "win2:0x%08x\n" "win3:0x%08x\n", g_last_addr[0], g_last_addr[1],
1292 g_last_addr[2], g_last_addr[3]);
1293 printk("last freed buffer:\n");
1294 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1295 printk("%d:0x%08x\n", i, freed_addr[i]);
1296 printk("last timeout:%d\n", g_last_timeout);
1297 dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1298 for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1299 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1300 char c = buf[i + DUMP_CHUNK];
1301 buf[i + DUMP_CHUNK] = 0;
1302 pr_cont("%s", buf + i);
1303 buf[i + DUMP_CHUNK] = c;
1305 buf[PAGE_SIZE - 1] = 0;
1306 pr_cont("%s", buf + i);
1314 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1315 struct rk_fb_reg_win_data *reg_win_data)
1318 struct rk_fb_reg_area_data *area_data;
1319 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1321 for (i = 0; i < reg_win_data->area_num; i++) {
1322 area_data = ®_win_data->reg_area_data[i];
1323 index_buf = area_data->index_buf;
1324 #if defined(CONFIG_ROCKCHIP_IOMMU)
1325 if (dev_drv->iommu_enabled) {
1326 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1327 area_data->ion_handle);
1328 freed_addr[freed_index++] = area_data->smem_start;
1331 if (area_data->ion_handle != NULL) {
1332 ion_unmap_kernel(rk_fb->ion_client,
1333 area_data->ion_handle);
1334 ion_free(rk_fb->ion_client, area_data->ion_handle);
1336 if (area_data->acq_fence)
1337 sync_fence_put(area_data->acq_fence);
1339 memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1342 static void rk_fb_update_driver(struct rk_lcdc_win *win,
1343 struct rk_fb_reg_win_data *reg_win_data)
1347 struct rk_lcdc_win *win;
1348 win = dev_drv->win[reg_win_data->win_id];
1350 win->area_num = reg_win_data->area_num;
1351 win->format = reg_win_data->data_format;
1352 win->id = reg_win_data->win_id;
1353 win->z_order = reg_win_data->z_order;
1355 if (reg_win_data->reg_area_data[0].smem_start > 0) {
1357 win->area_num = reg_win_data->area_num;
1358 win->format = reg_win_data->data_format;
1359 win->id = reg_win_data->win_id;
1360 win->z_order = reg_win_data->z_order;
1361 win->area[0].uv_vir_stride =
1362 reg_win_data->reg_area_data[0].uv_vir_stride;
1364 #if !defined(RK_FB_ROTATE) && defined(CONFIG_THREE_FB_BUFFER)
1365 /* TODO Mofidy if HDMI info is change to hwc */
1366 win->area[0].cbr_start =
1367 reg_win_data->reg_area_data[0].cbr_start;
1369 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1370 win->alpha_en = reg_win_data->alpha_en;
1371 win->alpha_mode = reg_win_data->alpha_mode;
1372 win->g_alpha_val = reg_win_data->g_alpha_val;
1373 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1374 if (reg_win_data->reg_area_data[i].smem_start > 0) {
1375 #if !defined(RK_FB_ROTATE) && defined(CONFIG_THREE_FB_BUFFER)
1376 win->area[i].smem_start =
1377 reg_win_data->reg_area_data[i].smem_start;
1380 reg_win_data->reg_area_data[i].xpos;
1382 reg_win_data->reg_area_data[i].ypos;
1383 win->area[i].xsize =
1384 reg_win_data->reg_area_data[i].xsize;
1385 win->area[i].ysize =
1386 reg_win_data->reg_area_data[i].ysize;
1388 reg_win_data->reg_area_data[i].xact;
1390 reg_win_data->reg_area_data[i].yact;
1392 reg_win_data->reg_area_data[i].xvir;
1394 reg_win_data->reg_area_data[i].yvir;
1395 win->area[i].y_offset =
1396 reg_win_data->reg_area_data[i].y_offset;
1397 win->area[i].y_vir_stride =
1398 reg_win_data->reg_area_data[i].y_vir_stride;
1399 win->area[i].state = 1;
1401 win->area[i].state = 0;
1413 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1417 struct rk_fb_reg_win_data *win_data = NULL;
1418 for (i = 0; i < regs->win_num; i++) {
1419 if (regs->reg_win_data[i].win_id == win_id) {
1420 win_data = &(regs->reg_win_data[i]);
1428 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1429 struct rk_fb_reg_data *regs)
1432 struct rk_lcdc_win *win;
1433 ktime_t timestamp = dev_drv->vsync_info.timestamp;
1434 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1435 struct rk_lcdc_driver *ext_dev_drv;
1436 struct rk_lcdc_win *ext_win;
1437 struct rk_fb_reg_win_data *win_data;
1438 bool wait_for_vsync;
1440 unsigned int dsp_addr[4];
1443 /* acq_fence wait */
1444 for (i = 0; i < regs->win_num; i++) {
1445 win_data = ®s->reg_win_data[i];
1446 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1447 if (win_data->reg_area_data[j].acq_fence) {
1448 /* printk("acq_fence wait!!!!!\n"); */
1449 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1454 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1455 win = dev_drv->win[i];
1456 win_data = rk_fb_get_win_data(regs, i);
1458 rk_fb_update_driver(win, win_data);
1460 dev_drv->ops->set_par(dev_drv, i);
1461 dev_drv->ops->pan_display(dev_drv, i);
1462 #if defined(CONFIG_ROCKCHIP_IOMMU)
1463 if (dev_drv->iommu_enabled) {
1464 g_last_addr[i] = win_data->reg_area_data[0].smem_start +
1465 win_data->reg_area_data[0].y_offset;
1473 dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1475 if ((rk_fb->disp_mode == DUAL)
1476 && (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)
1477 && hdmi_switch_complete) {
1478 for (i = 0; i < rk_fb->num_lcdc; i++) {
1479 if (rk_fb->lcdc_dev_drv[i]->prop == EXTEND) {
1480 ext_dev_drv = rk_fb->lcdc_dev_drv[i];
1484 if (i == rk_fb->num_lcdc) {
1485 printk(KERN_ERR "hdmi lcdc driver not found!\n");
1488 /* hdmi just need set win0 only(win0 have only one area)
1489 * other win is disable
1491 win = dev_drv->win[0];
1492 ext_win = ext_dev_drv->win[0];
1493 for (j = 0; j < regs->win_num; j++) {
1494 if (0 == regs->reg_win_data[j].win_id)
1497 if (j < regs->win_num) {
1498 rk_fb_update_driver(ext_win, ®s->reg_win_data[j]);
1499 if (win->area[0].xpos != 0 || win->area[0].ypos != 0) {
1500 ext_win->area[0].xsize =
1501 (ext_dev_drv->cur_screen->xsize * win->area[0].xsize) /
1502 dev_drv->cur_screen->mode.xres;
1503 ext_win->area[0].ysize =
1504 (ext_dev_drv->cur_screen->ysize * win->area[0].ysize) /
1505 dev_drv->cur_screen->mode.yres;
1506 ext_win->area[0].xpos =
1507 ((ext_dev_drv->cur_screen->mode.xres - ext_dev_drv->cur_screen->xsize) >> 1) +
1508 ext_dev_drv->cur_screen->xsize * win->area[0].xpos / dev_drv->cur_screen->mode.xres;
1509 ext_win->area[0].ypos =
1510 ((ext_dev_drv->cur_screen->mode.yres - ext_dev_drv->cur_screen->ysize) >> 1) +
1511 ext_dev_drv->cur_screen->ysize * win->area[0].ypos / dev_drv->cur_screen->mode.yres;
1513 ext_win->area[0].xpos =
1514 (ext_dev_drv->cur_screen->mode.xres - ext_dev_drv->cur_screen->xsize) >> 1;
1515 ext_win->area[0].ypos =
1516 (ext_dev_drv->cur_screen->mode.yres - ext_dev_drv->cur_screen->ysize) >> 1;
1517 ext_win->area[0].xsize = ext_dev_drv->cur_screen->xsize;
1518 ext_win->area[0].ysize = ext_dev_drv->cur_screen->ysize;
1520 /* hdmi only one win so disable alpha */
1521 ext_win->alpha_en = 0;
1527 if (win->area[0].xact < win->area[0].yact) {
1528 int pixel_width, vir_width_bit, stride;
1529 ext_win->area[0].xact = win->area[0].yact;
1530 ext_win->area[0].yact = win->area[0].xact;
1531 ext_win->area[0].xvir = win->area[0].yact;
1532 pixel_width = rk_fb_pixel_width(ext_win->format);
1533 vir_width_bit = pixel_width * ext_win->area[0].xvir;
1534 stride = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1535 ext_win->area[0].y_vir_stride = stride >> 2;
1537 if (ext_dev_drv->rotate_mode > X_Y_MIRROR)
1538 rk_fb_win_rotate(ext_win, win, ext_dev_drv->rotate_mode);
1540 ext_dev_drv->ops->set_par(ext_dev_drv, 0);
1541 ext_dev_drv->ops->pan_display(ext_dev_drv, 0);
1542 ext_dev_drv->ops->cfg_done(ext_dev_drv);
1545 dev_drv->ops->cfg_done(dev_drv);
1548 timestamp = dev_drv->vsync_info.timestamp;
1549 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1550 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1551 msecs_to_jiffies(25));
1552 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1553 wait_for_vsync = false;
1554 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1555 if (dev_drv->win[i]->state == 1) {
1557 dev_drv->win[i]->area[0].smem_start +
1558 dev_drv->win[i]->area[0].y_offset;
1559 u32 reg_start = dsp_addr[i];
1561 if (unlikely(new_start != reg_start)) {
1562 wait_for_vsync = true;
1563 dev_info(dev_drv->dev,
1564 "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1565 i, new_start, reg_start, 101 - count);
1570 } while (wait_for_vsync && count--);
1572 sw_sync_timeline_inc(dev_drv->timeline, 1);
1575 #if defined(CONFIG_ROCKCHIP_IOMMU)
1576 if (dev_drv->iommu_enabled) {
1578 g_last_timeout = timeout;
1581 for (i = 0; i < g_last_win_num; i++)
1582 rk_fb_free_dma_buf(dev_drv, &g_reg_win_data[i]);
1584 #if defined(CONFIG_ROCKCHIP_IOMMU)
1585 if (dev_drv->iommu_enabled)
1586 freed_addr[freed_index] = 0xfefefefe;
1589 for (i = 0; i < regs->win_num; i++) {
1590 memcpy(&g_reg_win_data[i], &(regs->reg_win_data[i]),
1591 sizeof(struct rk_fb_reg_win_data));
1593 g_last_win_num = regs->win_num;
1598 static void rk_fb_update_regs_handler(struct kthread_work *work)
1600 struct rk_lcdc_driver *dev_drv =
1601 container_of(work, struct rk_lcdc_driver, update_regs_work);
1602 struct rk_fb_reg_data *data, *next;
1603 /* struct list_head saved_list; */
1605 mutex_lock(&dev_drv->update_regs_list_lock);
1606 saved_list = dev_drv->update_regs_list;
1607 list_replace_init(&dev_drv->update_regs_list, &saved_list);
1608 mutex_unlock(&dev_drv->update_regs_list_lock);
1610 list_for_each_entry_safe(data, next, &saved_list, list) {
1611 rk_fb_update_reg(dev_drv, data);
1612 list_del(&data->list);
1616 if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1617 wake_up(&dev_drv->update_regs_wait);
1620 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1621 struct rk_screen *screen)
1623 if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1624 (area_par->xact <= 0) || (area_par->yact <= 0) ||
1625 (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1626 pr_err("check config var fail 0:\n"
1627 "x_offset=%d,xact=%d,xvir=%d\n",
1628 area_par->x_offset, area_par->xact, area_par->xvir);
1632 if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1633 (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1634 (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1635 pr_err("check config var fail 1:\n"
1636 "xpos=%d,xsize=%d,xres=%d\n"
1637 "ypos=%d,ysize=%d,yres=%d\n",
1638 area_par->xpos, area_par->xsize, screen->mode.xres,
1639 area_par->ypos, area_par->ysize, screen->mode.yres);
1645 static int rk_fb_set_win_buffer(struct fb_info *info,
1646 struct rk_fb_win_par *win_par,
1647 struct rk_fb_reg_win_data *reg_win_data)
1649 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1650 struct fb_fix_screeninfo *fix = &info->fix;
1651 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1652 struct rk_screen *screen = dev_drv->cur_screen;
1653 struct fb_info *fbi = rk_fb->fb[0];
1654 int i, ion_fd, acq_fence_fd;
1656 u32 xoffset, yoffset;
1658 struct ion_handle *hdl;
1664 u32 stride, uv_stride;
1667 u16 uv_x_off, uv_y_off, uv_y_act;
1669 u8 ppixel_a = 0, global_a = 0;
1670 ion_phys_addr_t phy_addr;
1672 reg_win_data->reg_area_data[0].smem_start = -1;
1673 reg_win_data->area_num = 0;
1674 fbi = rk_fb->fb[reg_win_data->win_id];
1675 if (win_par->area_par[0].phy_addr == 0) {
1676 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1677 ion_fd = win_par->area_par[i].ion_fd;
1680 ion_import_dma_buf(rk_fb->ion_client,
1684 ("%s: Could not import handle: %d\n",
1685 __func__, (int)hdl);
1686 /*return -EINVAL; */
1690 ion_map_kernel(rk_fb->ion_client, hdl);
1691 reg_win_data->area_num++;
1692 reg_win_data->reg_area_data[i].ion_handle = hdl;
1693 #ifndef CONFIG_ROCKCHIP_IOMMU
1694 ion_phys(rk_fb->ion_client, hdl, &phy_addr,
1697 if (dev_drv->iommu_enabled)
1698 ion_map_iommu(dev_drv->dev,
1701 (unsigned long *)&phy_addr,
1702 (unsigned long *)&len);
1704 ion_phys(rk_fb->ion_client, hdl,
1707 reg_win_data->reg_area_data[i].smem_start = phy_addr;
1708 reg_win_data->area_buf_num++;
1709 reg_win_data->reg_area_data[i].index_buf = 1;
1713 reg_win_data->reg_area_data[0].smem_start =
1714 win_par->area_par[0].phy_addr;
1715 reg_win_data->area_num = 1;
1716 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
1719 if (reg_win_data->area_num == 0)
1722 for (i = 0; i < reg_win_data->area_num; i++) {
1723 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
1724 index_buf = reg_win_data->reg_area_data[i].index_buf;
1725 if ((acq_fence_fd > 0) && (index_buf == 1)) {
1726 reg_win_data->reg_area_data[i].acq_fence =
1727 sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
1730 fb_data_fmt = rk_fb_data_fmt(win_par->data_format, 0);
1731 reg_win_data->data_format = fb_data_fmt;
1732 pixel_width = rk_fb_pixel_width(fb_data_fmt);
1734 ppixel_a = ((fb_data_fmt == ARGB888)
1735 || (fb_data_fmt == ABGR888)) ? 1 : 0;
1736 global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
1737 reg_win_data->alpha_en = ppixel_a | global_a;
1738 reg_win_data->g_alpha_val = win_par->g_alpha_val;
1739 reg_win_data->alpha_mode = win_par->alpha_mode;
1740 if (reg_win_data->reg_area_data[0].smem_start > 0) {
1741 reg_win_data->z_order = win_par->z_order;
1742 reg_win_data->win_id = win_par->win_id;
1744 reg_win_data->z_order = -1;
1745 reg_win_data->win_id = -1;
1747 for (i = 0; i < reg_win_data->area_num; i++) {
1748 rk_fb_check_config_var(&win_par->area_par[i], screen);
1749 /* visiable pos in panel */
1750 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
1751 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
1753 /* realy size in panel */
1754 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
1755 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
1757 /* realy size in panel */
1758 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
1759 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
1761 xoffset = win_par->area_par[i].x_offset; /* buf offset */
1762 yoffset = win_par->area_par[i].y_offset;
1763 xvir = win_par->area_par[i].xvir;
1764 reg_win_data->reg_area_data[i].xvir = xvir;
1765 yvir = win_par->area_par[i].yvir;
1766 reg_win_data->reg_area_data[i].yvir = yvir;
1768 vir_width_bit = pixel_width * xvir;
1769 /* pixel_width = byte_num*8 */
1770 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
1771 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
1773 stride = stride_32bit_1; /* default rgb */
1774 fix->line_length = stride;
1775 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
1777 /* x y mirror ,jump line
1778 * reg_win_data->reg_area_data[i].y_offset =
1779 * yoffset*stride+xoffset*pixel_width/8;
1781 if (screen->y_mirror == 1) {
1782 if (screen->interlace == 1) {
1783 reg_win_data->reg_area_data[i].y_offset =
1784 yoffset * stride * 2 +
1785 ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
1786 xoffset * pixel_width / 8;
1788 reg_win_data->reg_area_data[i].y_offset =
1790 (reg_win_data->reg_area_data[i].yact - 1) * stride +
1791 xoffset * pixel_width / 8;
1794 if (screen->interlace == 1) {
1795 reg_win_data->reg_area_data[i].y_offset =
1796 yoffset * stride * 2 +
1797 xoffset * pixel_width / 8;
1799 reg_win_data->reg_area_data[i].y_offset =
1801 xoffset * pixel_width / 8;
1806 switch (fb_data_fmt) {
1810 stride = stride_32bit_1;
1811 uv_stride = stride_32bit_1 >> 1;
1812 uv_x_off = xoffset >> 1;
1814 fix->line_length = stride;
1815 uv_y_act = win_par->area_par[0].yact >> 1;
1817 case YUV420: /* 420sp */
1820 stride = stride_32bit_1;
1821 uv_stride = stride_32bit_1;
1823 uv_y_off = yoffset >> 1;
1824 fix->line_length = stride;
1825 uv_y_act = win_par->area_par[0].yact >> 1;
1830 stride = stride_32bit_1;
1831 uv_stride = stride_32bit_2;
1832 uv_x_off = xoffset * 2;
1834 fix->line_length = stride << 2;
1835 uv_y_act = win_par->area_par[0].yact;
1840 if (is_pic_yuv == 1) {
1841 reg_win_data->reg_area_data[0].cbr_start =
1842 reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
1843 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
1844 if (screen->y_mirror == 1) {
1845 if (screen->interlace == 1) {
1846 reg_win_data->reg_area_data[0].c_offset =
1847 uv_y_off * uv_stride * 2 +
1848 ((uv_y_act - 1) * 2 + 1) * uv_stride +
1849 uv_x_off * pixel_width / 8;
1851 reg_win_data->reg_area_data[0].c_offset =
1852 uv_y_off * uv_stride +
1853 (uv_y_act - 1) * uv_stride +
1854 uv_x_off * pixel_width / 8;
1857 if (screen->interlace == 1) {
1858 reg_win_data->reg_area_data[0].c_offset =
1859 uv_y_off * uv_stride * 2 +
1860 uv_x_off * pixel_width / 8;
1862 reg_win_data->reg_area_data[0].c_offset =
1863 uv_y_off * uv_stride +
1864 uv_x_off * pixel_width / 8;
1871 static int rk_fb_set_win_config(struct fb_info *info,
1872 struct rk_fb_win_cfg_data *win_data)
1874 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
1875 struct rk_fb_reg_data *regs;
1877 struct sync_fence *release_fence[RK_MAX_BUF_NUM];
1878 struct sync_fence *retire_fence;
1879 struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
1880 struct sync_pt *retire_sync_pt;
1881 char fence_name[20];
1883 int ret = 0, i, j = 0;
1884 int list_is_empty = 0;
1886 regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
1888 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
1894 regs->post_cfg.xpos = win_data->post_cfg.xpos;
1895 regs->post_cfg.ypos = win_data->post_cfg.ypos;
1896 regs->post_cfg.xsize = win_data->post_cfg.xsize;
1897 regs->post_cfg.ysize = win_data->post_cfg.xsize;
1900 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1901 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
1902 rk_fb_set_win_buffer(info, &win_data->win_par[i],
1903 ®s->reg_win_data[j]);
1904 if (regs->reg_win_data[j].area_num > 0) {
1907 regs->reg_win_data[j].area_buf_num;
1911 printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
1912 printk(KERN_INFO "i=%d,win_id=%d\n", i,
1913 win_data->win_par[i].win_id);
1917 mutex_lock(&dev_drv->output_lock);
1918 if (!(dev_drv->suspend_flag == 0)) {
1919 rk_fb_update_reg(dev_drv, regs);
1921 printk(KERN_INFO "suspend_flag = 1\n");
1925 dev_drv->timeline_max++;
1927 for (i = 0; i < RK_MAX_BUF_NUM; i++) {
1928 if (i < regs->buf_num) {
1929 sprintf(fence_name, "fence%d", i);
1930 win_data->rel_fence_fd[i] = get_unused_fd();
1931 if (win_data->rel_fence_fd[i] < 0) {
1932 printk(KERN_INFO "rel_fence_fd=%d\n",
1933 win_data->rel_fence_fd[i]);
1937 release_sync_pt[i] =
1938 sw_sync_pt_create(dev_drv->timeline,
1939 dev_drv->timeline_max);
1941 sync_fence_create(fence_name, release_sync_pt[i]);
1942 sync_fence_install(release_fence[i],
1943 win_data->rel_fence_fd[i]);
1945 win_data->rel_fence_fd[i] = -1;
1949 win_data->ret_fence_fd = get_unused_fd();
1950 if (win_data->ret_fence_fd < 0) {
1951 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
1956 sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
1957 retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
1958 sync_fence_install(retire_fence, win_data->ret_fence_fd);
1960 for (i = 0; i < RK_MAX_BUF_NUM; i++)
1961 win_data->rel_fence_fd[i] = -1;
1963 win_data->ret_fence_fd = -1;
1965 if (dev_drv->wait_fs == 0) {
1966 mutex_lock(&dev_drv->update_regs_list_lock);
1967 list_add_tail(®s->list, &dev_drv->update_regs_list);
1968 mutex_unlock(&dev_drv->update_regs_list_lock);
1969 queue_kthread_work(&dev_drv->update_regs_worker,
1970 &dev_drv->update_regs_work);
1972 mutex_lock(&dev_drv->update_regs_list_lock);
1973 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
1974 list_empty(&saved_list);
1975 mutex_unlock(&dev_drv->update_regs_list_lock);
1976 if (!list_is_empty) {
1977 ret = wait_event_timeout(dev_drv->update_regs_wait,
1978 list_empty(&dev_drv->update_regs_list) && list_empty(&saved_list),
1979 msecs_to_jiffies(60));
1981 rk_fb_update_reg(dev_drv, regs);
1983 printk("%s: wait update_regs_wait timeout\n", __func__);
1984 } else if (ret == 0) {
1985 rk_fb_update_reg(dev_drv, regs);
1991 mutex_unlock(&dev_drv->output_lock);
1996 static int cfgdone_distlist[10] = { 0 };
1998 static int cfgdone_index;
1999 static int cfgdone_lasttime;
2001 int rk_get_real_fps(int before)
2003 struct timespec now;
2009 int index = cfgdone_index;
2018 getnstimeofday(&now);
2019 dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2025 for (i = 0; i < 10; i++) {
2028 total += cfgdone_distlist[index];
2030 dist_first = cfgdone_distlist[index];
2031 if (total < (before * 1000)) {
2033 printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2035 dist_total += cfgdone_distlist[index];
2043 printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2045 dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2046 dist_total += dist_curr;
2050 fps = (1000000 * dist_count) / dist_total;
2055 printk("curr2 %d, fps=%d\n", dist_curr, fps);
2059 EXPORT_SYMBOL(rk_get_real_fps);
2063 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2066 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2067 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2068 struct fb_fix_screeninfo *fix = &info->fix;
2069 int fb_id = 0, extend_win_id = 0;
2070 struct fb_info *extend_info = NULL;
2071 struct rk_lcdc_driver *extend_dev_drv = NULL;
2072 struct rk_lcdc_win *extend_win = NULL;
2073 struct rk_lcdc_win *win;
2074 int enable; /* enable fb:1 enable;0 disable */
2075 int ovl; /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2076 int num_buf; /* buffer_number */
2078 struct rk_fb_win_cfg_data win_data;
2079 unsigned int dsp_addr[4];
2082 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2084 void __user *argp = (void __user *)arg;
2085 win = dev_drv->win[win_id];
2086 if (rk_fb->disp_mode == DUAL) {
2087 fb_id = get_extend_fb_id(info);
2088 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
2089 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
2090 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
2091 extend_info->fix.id);
2092 extend_win = extend_dev_drv->win[extend_win_id];
2096 case RK_FBIOSET_YUV_ADDR:
2099 if (copy_from_user(yuv_phy, argp, 8))
2101 fix->smem_start = yuv_phy[0];
2102 fix->mmio_start = yuv_phy[1];
2105 case RK_FBIOSET_ENABLE:
2106 if (copy_from_user(&enable, argp, sizeof(enable)))
2108 dev_drv->ops->open(dev_drv, win_id, enable);
2110 case RK_FBIOGET_ENABLE:
2111 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
2112 if (copy_to_user(argp, &enable, sizeof(enable)))
2115 case RK_FBIOSET_OVERLAY_STA:
2116 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2118 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2120 case RK_FBIOGET_OVERLAY_STA:
2121 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2122 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2125 case RK_FBIOPUT_NUM_BUFFERS:
2126 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2128 dev_drv->num_buf = num_buf;
2130 case RK_FBIOSET_VSYNC_ENABLE:
2131 if (copy_from_user(&enable, argp, sizeof(enable)))
2133 dev_drv->vsync_info.active = enable;
2136 case RK_FBIOGET_DSP_ADDR:
2137 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2138 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2141 case RK_FBIOGET_LIST_STA:
2142 list_stat = rk_fb_get_list_stat(dev_drv);
2143 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2147 case RK_FBIOGET_IOMMU_STA:
2148 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2149 sizeof(dev_drv->iommu_enabled)))
2152 #if defined(CONFIG_ION_ROCKCHIP)
2153 case RK_FBIOSET_DMABUF_FD:
2156 struct ion_handle *hdl;
2157 ion_phys_addr_t phy_addr;
2159 if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2161 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2162 ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2163 fix->smem_start = phy_addr;
2166 case RK_FBIOGET_DMABUF_FD:
2169 ion_share_dma_buf_fd(rk_fb->ion_client,
2170 win->area[0].ion_hdl);
2173 "ion_share_dma_buf_fd failed\n");
2176 if (copy_to_user(argp, &fd, sizeof(fd)))
2181 case RK_FBIOSET_CLEAR_FB:
2182 memset(info->screen_base, 0, get_fb_size());
2184 case RK_FBIOSET_CONFIG_DONE:
2187 struct timespec now;
2189 getnstimeofday(&now);
2190 curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2191 cfgdone_distlist[cfgdone_index++] =
2192 curr - cfgdone_lasttime;
2194 printk("%d ", curr - cfgdone_lasttime);
2196 cfgdone_lasttime = curr;
2197 if (cfgdone_index >= 10)
2200 if (copy_from_user(&win_data,
2201 (struct rk_fb_win_cfg_data __user *)argp,
2202 sizeof(win_data))) {
2207 dev_drv->wait_fs = win_data.wait_fs;
2208 rk_fb_set_win_config(info, &win_data);
2210 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2211 &win_data, sizeof(win_data))) {
2215 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2218 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2225 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2227 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2228 struct fb_fix_screeninfo *fix = &info->fix;
2230 #if defined(CONFIG_RK_HDMI)
2231 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2234 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2237 #if defined(CONFIG_RK_HDMI)
2238 if ((rk_fb->disp_mode == ONE_DUAL)
2239 && (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2240 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2244 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2249 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2252 if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2253 (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2254 ((16 != var->bits_per_pixel) &&
2255 (32 != var->bits_per_pixel) &&
2256 (24 != var->bits_per_pixel))) {
2257 dev_err(info->dev, "%s check var fail 1:\n"
2258 "xres_vir:%d>>yres_vir:%d\n"
2259 "xres:%d>>yres:%d\n"
2260 "bits_per_pixel:%d\n",
2264 var->xres, var->yres, var->bits_per_pixel);
2268 if (((var->xoffset + var->xres) > var->xres_virtual) ||
2269 ((var->yoffset + var->yres) > (var->yres_virtual))) {
2270 dev_err(info->dev, "%s check_var fail 2:\n"
2271 "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2272 "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2277 var->yoffset, var->yres, var->yres_virtual);
2284 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2285 size_t count, loff_t *ppos)
2287 unsigned long p = *ppos;
2290 int c, cnt = 0, err = 0;
2291 unsigned long total_size;
2292 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2293 struct rk_lcdc_win *win = NULL;
2296 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2300 win = dev_drv->win[win_id];
2302 /* only read the current frame buffer */
2303 if (win->format == RGB565)
2304 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2305 else if (win->format == YUV420) {
2307 (win->area[0].y_vir_stride * win->area[0].yact * 6);
2309 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2311 if (p >= total_size)
2314 if (count >= total_size)
2317 if (count + p > total_size)
2318 count = total_size - p;
2320 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2324 src = (u8 __iomem *) (info->screen_base + p + win->area[0].y_offset);
2327 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2329 fb_memcpy_fromfb(dst, src, c);
2333 if (copy_to_user(buf, buffer, c)) {
2345 return (err) ? err : cnt;
2348 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2349 size_t count, loff_t *ppos)
2351 unsigned long p = *ppos;
2354 int c, cnt = 0, err = 0;
2355 unsigned long total_size;
2356 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2357 struct rk_lcdc_win *win = NULL;
2360 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2364 win = dev_drv->win[win_id];
2366 /* write the current frame buffer */
2367 if (win->format == RGB565)
2368 total_size = win->area[0].xact * win->area[0].yact << 1;
2370 total_size = win->area[0].xact * win->area[0].yact << 2;
2375 if (count > total_size) {
2380 if (count + p > total_size) {
2384 count = total_size - p;
2387 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2391 dst = (u8 __iomem *) (info->screen_base + p + win->area[0].y_offset);
2394 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2397 if (copy_from_user(src, buf, c)) {
2402 fb_memcpy_tofb(dst, src, c);
2413 return (cnt) ? cnt : err;
2417 static int rk_fb_set_par(struct fb_info *info)
2419 struct fb_var_screeninfo *var = &info->var;
2420 struct fb_fix_screeninfo *fix = &info->fix;
2421 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2422 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2423 int fb_id, extend_win_id = 0;
2424 struct fb_info *extend_info = NULL;
2425 struct rk_lcdc_driver *extend_dev_drv = NULL;
2426 struct rk_lcdc_win *extend_win = NULL;
2427 struct rk_lcdc_win *win = NULL;
2428 struct rk_screen *screen = dev_drv->cur_screen;
2430 u32 cblen = 0, crlen = 0;
2431 u16 xsize = 0, ysize = 0; /* winx display window height/width --->LCDC_WINx_DSP_INFO */
2432 u32 xoffset = var->xoffset; /* offset from virtual to visible */
2433 u32 yoffset = var->yoffset;
2434 u16 xpos = (var->nonstd >> 8) & 0xfff; /*visiable pos in panel */
2435 u16 ypos = (var->nonstd >> 20) & 0xfff;
2436 u32 xvir = var->xres_virtual;
2437 u32 yvir = var->yres_virtual;
2438 u8 data_format = var->nonstd & 0xff;
2442 u32 stride, uv_stride;
2445 u16 uv_x_off, uv_y_off, uv_y_act;
2448 var->pixclock = dev_drv->pixclock;
2449 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2453 win = dev_drv->win[win_id];
2454 if (rk_fb->disp_mode == DUAL) {
2455 fb_id = get_extend_fb_id(info);
2456 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
2457 extend_dev_drv = (struct rk_lcdc_driver *)extend_info->par;
2458 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
2461 extend_win = extend_dev_drv->win[extend_win_id];
2463 /* if the application has specific the horizontal and vertical display size */
2464 if (var->grayscale >> 8) {
2465 xsize = (var->grayscale >> 8) & 0xfff;
2466 ysize = (var->grayscale >> 20) & 0xfff;
2467 } else { /*ohterwise full screen display */
2468 xsize = screen->mode.xres;
2469 ysize = screen->mode.yres;
2472 /*this is for device like rk2928 ,whic have one lcdc but two display outputs*/
2473 /*save winameter set by android*/
2474 if (rk_fb->disp_mode != DUAL) {
2475 if (screen->screen_id == 0) {
2477 dev_drv->screen0->xsize = xsize;
2478 dev_drv->screen0->ysize = ysize;
2479 dev_drv->screen0->xpos = xpos;
2480 dev_drv->screen0->ypos = ypos;
2482 xsize = dev_drv->screen1->xsize;
2483 ysize = dev_drv->screen1->ysize;
2484 xpos = dev_drv->screen1->xpos;
2485 ypos = dev_drv->screen1->ypos;
2489 fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
2490 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2491 vir_width_bit = pixel_width * xvir;
2492 /* pixel_width = byte_num * 8 */
2493 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
2494 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
2496 switch (fb_data_fmt) {
2500 stride = stride_32bit_1;
2501 uv_stride = stride_32bit_1 >> 1;
2502 uv_x_off = xoffset >> 1;
2504 fix->line_length = stride;
2505 cblen = crlen = (xvir * yvir) >> 1;
2506 uv_y_act = win->area[0].yact >> 1;
2508 case YUV420: /* 420sp */
2511 stride = stride_32bit_1;
2512 uv_stride = stride_32bit_1;
2514 uv_y_off = yoffset >> 1;
2515 fix->line_length = stride;
2516 cblen = crlen = (xvir * yvir) >> 2;
2517 uv_y_act = win->area[0].yact >> 1;
2522 stride = stride_32bit_1;
2523 uv_stride = stride_32bit_2;
2524 uv_x_off = xoffset * 2;
2526 fix->line_length = stride << 2;
2527 cblen = crlen = (xvir * yvir);
2528 uv_y_act = win->area[0].yact;
2531 stride = stride_32bit_1; /* default rgb */
2532 fix->line_length = stride;
2536 /* x y mirror ,jump line */
2537 if (screen->y_mirror == 1) {
2538 if (screen->interlace == 1) {
2539 win->area[0].y_offset = yoffset * stride * 2 +
2540 ((win->area[0].yact - 1) * 2 + 1) * stride +
2541 xoffset * pixel_width / 8;
2543 win->area[0].y_offset = yoffset * stride +
2544 (win->area[0].yact - 1) * stride +
2545 xoffset * pixel_width / 8;
2548 if (screen->interlace == 1) {
2549 win->area[0].y_offset =
2550 yoffset * stride * 2 + xoffset * pixel_width / 8;
2552 win->area[0].y_offset =
2553 yoffset * stride + xoffset * pixel_width / 8;
2556 if (is_pic_yuv == 1) {
2557 if (screen->y_mirror == 1) {
2558 if (screen->interlace == 1) {
2559 win->area[0].c_offset =
2560 uv_y_off * uv_stride * 2 +
2561 ((uv_y_act - 1) * 2 + 1) * uv_stride +
2562 uv_x_off * pixel_width / 8;
2564 win->area[0].c_offset = uv_y_off * uv_stride +
2565 (uv_y_act - 1) * uv_stride +
2566 uv_x_off * pixel_width / 8;
2569 if (screen->interlace == 1) {
2570 win->area[0].c_offset =
2571 uv_y_off * uv_stride * 2 +
2572 uv_x_off * pixel_width / 8;
2574 win->area[0].c_offset =
2575 uv_y_off * uv_stride +
2576 uv_x_off * pixel_width / 8;
2581 win->format = fb_data_fmt;
2582 win->area[0].y_vir_stride = stride >> 2;
2583 win->area[0].uv_vir_stride = uv_stride >> 2;
2584 win->area[0].xpos = xpos;
2585 win->area[0].ypos = ypos;
2586 win->area[0].xsize = xsize;
2587 win->area[0].ysize = ysize;
2589 win->area[0].smem_start = fix->smem_start;
2590 win->area[0].cbr_start = fix->smem_start + stride * yvir; /* fix->mmio_start; */
2591 win->area[0].xact = var->xres; /* winx active window height,is a wint of vir */
2592 win->area[0].yact = var->yres;
2593 win->area[0].xvir = var->xres_virtual; /* virtual resolution stride --->LCDC_WINx_VIR */
2594 win->area[0].yvir = var->yres_virtual;
2595 win->area[0].state = 1;
2598 win->alpha_mode = 4; /* AB_SRC_OVER; */
2599 win->alpha_en = ((win->format == ARGB888)
2600 || (win->format == ABGR888)) ? 1 : 0;
2601 win->g_alpha_val = 0;
2603 if (rk_fb->disp_mode == DUAL) {
2604 if (extend_win->state && (hdmi_switch_complete)) {
2605 if (info != extend_info) {
2606 if (win->area[0].xact < win->area[0].yact) {
2607 extend_win->area[0].xact =
2609 extend_win->area[0].yact =
2611 extend_win->area[0].xvir =
2613 extend_info->var.xres = var->yres;
2614 extend_info->var.yres = var->xres;
2615 extend_info->var.xres_virtual =
2618 extend_win->area[0].xact =
2620 extend_win->area[0].yact =
2622 extend_win->area[0].xvir =
2624 extend_info->var.xres = var->xres;
2625 extend_info->var.yres = var->yres;
2626 extend_info->var.xres_virtual =
2629 extend_win->area[0].y_vir_stride =
2630 win->area[0].y_vir_stride;
2631 extend_win->area[0].uv_vir_stride =
2632 win->area[0].uv_vir_stride;
2633 if (win->area[0].xpos != 0
2634 || win->area[0].ypos != 0) {
2635 extend_win->area[0].xsize =
2636 (extend_dev_drv->cur_screen->xsize * win->area[0].xsize) / screen->mode.xres;
2637 extend_win->area[0].ysize =
2638 (extend_dev_drv->cur_screen->ysize * win->area[0].ysize) / screen->mode.yres;
2639 extend_win->area[0].xpos =
2640 ((extend_dev_drv->cur_screen->mode.xres - extend_dev_drv->cur_screen->xsize) >> 1) +
2641 extend_dev_drv->cur_screen->xsize * win->area[0].xpos / screen->mode.xres;
2642 extend_win->area[0].ypos =
2643 ((extend_dev_drv->cur_screen->mode.yres - extend_dev_drv->cur_screen->ysize) >> 1) +
2644 extend_dev_drv->cur_screen->ysize * win->area[0].ypos / screen->mode.yres;
2645 } else { /* the display image of the primary screen is full screen size */
2646 extend_win->area[0].xpos =
2647 (extend_dev_drv->cur_screen->mode.xres - extend_dev_drv->cur_screen->xsize) >> 1;
2648 extend_win->area[0].ypos =
2649 (extend_dev_drv->cur_screen->mode.yres - extend_dev_drv->cur_screen->ysize) >> 1;
2650 extend_win->area[0].xsize =
2651 extend_dev_drv->cur_screen->xsize;
2652 extend_win->area[0].ysize =
2653 extend_dev_drv->cur_screen->ysize;
2656 extend_win->area[0].state = 1;
2657 extend_win->area_num = 1;
2658 extend_win->alpha_en = 0;
2659 extend_win->format = win->format;
2660 extend_info->var.nonstd &= 0xffffff00;
2661 extend_info->var.nonstd |= data_format;
2662 extend_dev_drv->ops->set_par(extend_dev_drv,
2667 dev_drv->ops->set_par(dev_drv, win_id);
2672 static inline unsigned int chan_to_field(unsigned int chan,
2673 struct fb_bitfield *bf)
2676 chan >>= 16 - bf->length;
2677 return chan << bf->offset;
2680 static int fb_setcolreg(unsigned regno,
2681 unsigned red, unsigned green, unsigned blue,
2682 unsigned transp, struct fb_info *info)
2686 switch (info->fix.visual) {
2687 case FB_VISUAL_TRUECOLOR:
2688 /* true-colour, use pseudo-palette */
2690 u32 *pal = info->pseudo_palette;
2691 val = chan_to_field(red, &info->var.red);
2692 val |= chan_to_field(green, &info->var.green);
2693 val |= chan_to_field(blue, &info->var.blue);
2698 return -1; /* unknown type */
2704 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
2706 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)info->par;
2707 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2708 struct rk_lcdc_win *win;
2709 win = dev_drv->win[win_id];
2711 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
2713 return dma_buf_mmap(win->area[0].dma_buf, vma, 0);
2716 static struct fb_ops fb_ops = {
2717 .owner = THIS_MODULE,
2718 .fb_open = rk_fb_open,
2719 .fb_release = rk_fb_close,
2720 .fb_check_var = rk_fb_check_var,
2721 .fb_set_par = rk_fb_set_par,
2722 .fb_blank = rk_fb_blank,
2723 .fb_ioctl = rk_fb_ioctl,
2724 .fb_pan_display = rk_fb_pan_display,
2725 .fb_read = rk_fb_read,
2726 .fb_write = rk_fb_write,
2727 .fb_setcolreg = fb_setcolreg,
2728 .fb_fillrect = cfb_fillrect,
2729 .fb_copyarea = cfb_copyarea,
2730 .fb_imageblit = cfb_imageblit,
2733 static struct fb_var_screeninfo def_var = {
2734 #if defined(CONFIG_LOGO_LINUX_BMP)
2738 .transp = {0, 0, 0},
2739 .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
2744 .transp = {0, 0, 0},
2745 .nonstd = HAL_PIXEL_FORMAT_RGB_565, /* (ypos<<20+xpos<<8+format) format */
2747 .grayscale = 0, /* (ysize<<20+xsize<<8) */
2748 .activate = FB_ACTIVATE_NOW,
2750 .vmode = FB_VMODE_NONINTERLACED,
2753 static struct fb_fix_screeninfo def_fix = {
2754 .type = FB_TYPE_PACKED_PIXELS,
2759 .accel = FB_ACCEL_NONE,
2760 .visual = FB_VISUAL_TRUECOLOR,
2764 static int rk_fb_wait_for_vsync_thread(void *data)
2766 struct rk_lcdc_driver *dev_drv = data;
2767 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2768 struct fb_info *fbi = rk_fb->fb[0];
2770 while (!kthread_should_stop()) {
2771 ktime_t timestamp = dev_drv->vsync_info.timestamp;
2772 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
2773 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
2774 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
2777 sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
2783 static ssize_t rk_fb_vsync_show(struct device *dev,
2784 struct device_attribute *attr, char *buf)
2786 struct fb_info *fbi = dev_get_drvdata(dev);
2787 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
2788 return scnprintf(buf, PAGE_SIZE, "%llu\n",
2789 ktime_to_ns(dev_drv->vsync_info.timestamp));
2792 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
2795 * this two function is for other module that in the kernel which
2796 * need show image directly through fb
2797 * fb_id:we have 4 fb here,default we use fb0 for ui display
2799 struct fb_info *rk_get_fb(int fb_id)
2801 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
2802 struct fb_info *fb = inf->fb[fb_id];
2805 EXPORT_SYMBOL(rk_get_fb);
2807 void rk_direct_fb_show(struct fb_info *fbi)
2810 rk_fb_pan_display(&fbi->var, fbi);
2812 EXPORT_SYMBOL(rk_direct_fb_show);
2814 static int set_xact_yact_for_hdmi(struct fb_var_screeninfo *pmy_var,
2815 struct fb_var_screeninfo *hdmi_var)
2817 if (pmy_var->xres < pmy_var->yres) { /* vertical lcd screen */
2818 hdmi_var->xres = pmy_var->yres;
2819 hdmi_var->yres = pmy_var->xres;
2820 hdmi_var->xres_virtual = pmy_var->yres;
2822 hdmi_var->xres = pmy_var->xres;
2823 hdmi_var->yres = pmy_var->yres;
2824 hdmi_var->xres_virtual = pmy_var->xres_virtual;
2831 int rk_fb_dpi_open(bool open)
2833 struct rk_lcdc_driver *dev_drv = NULL;
2834 dev_drv = rk_get_prmry_lcdc_drv();
2835 if(dev_drv->ops->dpi_open)
2836 dev_drv->ops->dpi_open(dev_drv, open);
2841 int rk_fb_dpi_win_sel(int win_id)
2843 struct rk_lcdc_driver *dev_drv = NULL;
2844 dev_drv = rk_get_prmry_lcdc_drv();
2845 if(dev_drv->ops->dpi_win_sel)
2846 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
2851 int rk_fb_dpi_status(void)
2854 struct rk_lcdc_driver *dev_drv = NULL;
2855 dev_drv = rk_get_prmry_lcdc_drv();
2856 if(dev_drv->ops->dpi_status)
2857 ret = dev_drv->ops->dpi_status(dev_drv);
2863 * function:this function will be called by hdmi,when
2865 * screen: the screen attached to hdmi
2866 * enable: 1,hdmi plug in,0,hdmi plug out
2867 * lcdc_id: the lcdc id the hdmi attached ,0 or 1
2869 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
2871 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2872 struct fb_info *info = NULL;
2873 struct rk_lcdc_driver *dev_drv = NULL;
2874 struct fb_var_screeninfo *hdmi_var = NULL;
2875 struct fb_var_screeninfo *pmy_var = NULL; /* var for primary screen */
2877 struct fb_fix_screeninfo *hdmi_fix = NULL;
2882 if (rk_fb->disp_mode != DUAL)
2883 rk29_backlight_set(0);
2885 sprintf(name, "lcdc%d", lcdc_id);
2887 if (rk_fb->disp_mode != DUAL) {
2888 dev_drv = rk_fb->lcdc_dev_drv[0];
2891 for (i = 0; i < rk_fb->num_lcdc; i++) {
2892 if (rk_fb->lcdc_dev_drv[i]->prop == EXTEND) {
2893 dev_drv = rk_fb->lcdc_dev_drv[i];
2898 if (i == rk_fb->num_lcdc) {
2899 printk(KERN_ERR "%s driver not found!", name);
2903 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
2906 if (rk_fb->num_lcdc == 1)
2907 info = rk_fb->fb[0];
2908 else if (rk_fb->num_lcdc == 2)
2909 info = rk_fb->fb[dev_drv->lcdc_win_num]; /* the main fb of lcdc1 */
2911 if (dev_drv->screen1) { /* device like rk2928 ,have only one lcdc but two outputs */
2913 memcpy(dev_drv->screen1, screen,
2914 sizeof(struct rk_screen));
2915 dev_drv->screen1->lcdc_id = 0; /* connect screen1 to output interface 0 */
2916 dev_drv->screen1->screen_id = 1;
2917 dev_drv->screen0->lcdc_id = 1; /* connect screen0 to output interface 1 */
2918 dev_drv->cur_screen = dev_drv->screen1;
2919 dev_drv->screen0->ext_screen = dev_drv->screen1;
2920 if (dev_drv->screen0->sscreen_get) {
2921 dev_drv->screen0->sscreen_get(dev_drv->screen0,
2922 dev_drv->cur_screen->hdmi_resolution);
2926 dev_drv->screen1->lcdc_id = 1; /* connect screen1 to output interface 1 */
2927 dev_drv->screen0->lcdc_id = 0; /* connect screen0 to output interface 0 */
2928 dev_drv->cur_screen = dev_drv->screen0;
2929 dev_drv->screen_ctr_info->set_screen_info(dev_drv->cur_screen,
2930 dev_drv->screen_ctr_info->lcd_info);
2934 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
2937 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
2938 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
2940 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2942 if (!enable && !dev_drv->screen1) { /* only double lcdc device need to close */
2943 if (dev_drv->win[win_id]->state)
2944 dev_drv->ops->open(dev_drv, win_id, enable); /* disable the win which attached to this fb */
2945 hdmi_switch_complete = 0;
2950 hdmi_var = &info->var;
2951 hdmi_fix = &info->fix;
2952 if (rk_fb->disp_mode == DUAL) {
2953 if (likely(rk_fb->num_lcdc == 2)) {
2954 pmy_var = &rk_fb->fb[0]->var;
2955 set_xact_yact_for_hdmi(pmy_var, hdmi_var);
2956 hdmi_var->nonstd &= 0xffffff00;
2957 hdmi_var->nonstd |= (pmy_var->nonstd & 0xff); /* use the same format as primary screen */
2960 "%s>>only one lcdc,dual display no supported!",
2964 hdmi_var->grayscale &= 0xff;
2965 hdmi_var->grayscale |=
2966 (dev_drv->cur_screen->mode.xres << 8) + (dev_drv->cur_screen->mode.yres << 20);
2967 if (dev_drv->screen1) { /* device like rk2928,whic have one lcdc but two outputs */
2969 info->var.nonstd &= 0xff;
2970 info->var.nonstd |= (dev_drv->cur_screen->mode.xpos<<8) + (dev_drv->cur_screen->mode.ypos<<20);
2971 info->var.grayscale &= 0xff;
2972 info->var.grayscale |= (dev_drv->cur_screen->mode.x_res<<8) + (dev_drv->cur_screen->mode.y_res<<20);
2974 dev_drv->screen1->xsize = dev_drv->cur_screen->mode.xres;
2975 dev_drv->screen1->ysize = dev_drv->cur_screen->mode.yres;
2976 dev_drv->screen1->xpos = 0;
2977 dev_drv->screen1->ypos = 0;
2980 ret = info->fbops->fb_open(info, 1);
2981 dev_drv->ops->load_screen(dev_drv, 1);
2982 ret = info->fbops->fb_set_par(info);
2983 if (dev_drv->ops->lcdc_hdmi_process)
2984 dev_drv->ops->lcdc_hdmi_process(dev_drv, enable);
2986 hdmi_switch_complete = enable;
2987 info->fbops->fb_pan_display(hdmi_var, info);
2989 /* info->fbops->fb_ioctl(info, RK_FBIOSET_CONFIG_DONE, 0); */
2990 if (dev_drv->screen1) {
2991 if (dev_drv->screen0->sscreen_set) {
2992 dev_drv->ops->blank(dev_drv, 0, FB_BLANK_NORMAL);
2994 dev_drv->screen0->sscreen_set(dev_drv->screen0, enable);
2995 dev_drv->ops->blank(dev_drv, 0, FB_BLANK_UNBLANK);
2999 if (rk_fb->disp_mode != DUAL)
3000 rk29_backlight_set(1);
3007 * function:this function current only called by hdmi for
3009 * scale_x: scale rate of x resolution
3010 * scale_y: scale rate of y resolution
3011 * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3013 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3015 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3016 struct fb_info *info = NULL;
3017 struct fb_var_screeninfo *var = NULL;
3018 struct rk_lcdc_driver *dev_drv = NULL;
3019 u16 screen_x, screen_y;
3023 sprintf(name, "lcdc%d", lcdc_id);
3025 #if defined(CONFIG_ONE_LCDC_DUAL_OUTPUT_INF)
3026 dev_drv = inf->lcdc_dev_drv[0];
3028 for (i = 0; i < inf->num_lcdc; i++) {
3029 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
3030 dev_drv = inf->lcdc_dev_drv[i];
3035 if (i == inf->num_lcdc) {
3036 printk(KERN_ERR "%s driver not found!", name);
3041 if (inf->num_lcdc == 1)
3043 else if (inf->num_lcdc == 2)
3044 info = inf->fb[dev_drv->lcdc_win_num];
3047 screen_x = dev_drv->cur_screen->mode.xres;
3048 screen_y = dev_drv->cur_screen->mode.yres;
3050 #if defined(CONFIG_ONE_LCDC_DUAL_OUTPUT_INF) || defined(CONFIG_NO_DUAL_DISP)
3051 if (dev_drv->cur_screen->screen_id == 1) {
3052 dev_drv->cur_screen->xpos =
3053 (screen_x - screen_x * scale_x / 100) >> 1;
3054 dev_drv->cur_screen->ypos =
3055 (screen_y - screen_y * scale_y / 100) >> 1;
3056 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3057 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3061 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3062 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3063 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3064 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3065 var->nonstd &= 0xff;
3066 var->nonstd |= (xpos << 8) + (ypos << 20);
3067 var->grayscale &= 0xff;
3069 (dev_drv->cur_screen->xsize << 8) + (dev_drv->cur_screen->ysize << 20);
3072 info->fbops->fb_set_par(info);
3073 /* info->fbops->fb_ioctl(info, RK_FBIOSET_CONFIG_DONE, 0); */
3074 dev_drv->ops->cfg_done(dev_drv);
3079 #if defined(CONFIG_ION_ROCKCHIP)
3080 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3081 struct rk_lcdc_win *win,
3082 unsigned long fb_mem_size)
3084 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3085 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3086 struct ion_handle *handle;
3087 ion_phys_addr_t phy_addr;
3089 if (dev_drv->iommu_enabled)
3090 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3091 ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3093 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3094 ION_HEAP(ION_CMA_HEAP_ID), 0);
3095 if (IS_ERR(handle)) {
3096 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3100 win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3101 if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3102 printk("ion_share_dma_buf() failed\n");
3103 goto err_share_dma_buf;
3105 win->area[0].ion_hdl = handle;
3106 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3107 #ifdef CONFIG_ROCKCHIP_IOMMU
3108 if (dev_drv->iommu_enabled)
3109 ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3110 (unsigned long *)&phy_addr,
3111 (unsigned long *)&len);
3113 ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3115 ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3117 fbi->fix.smem_start = phy_addr;
3118 fbi->fix.smem_len = len;
3119 printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3123 ion_free(rk_fb->ion_client, handle);
3128 static int rk_fb_alloc_buffer(struct fb_info *fbi, int fb_id)
3130 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3131 struct rk_lcdc_driver *dev_drv = (struct rk_lcdc_driver *)fbi->par;
3132 struct rk_lcdc_win *win = NULL;
3135 unsigned long fb_mem_size;
3136 #if !defined(CONFIG_ION_ROCKCHIP)
3137 dma_addr_t fb_mem_phys;
3141 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3145 win = dev_drv->win[win_id];
3147 if (!strcmp(fbi->fix.id, "fb0")) {
3148 fb_mem_size = get_fb_size();
3149 #if defined(CONFIG_ION_ROCKCHIP)
3150 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3153 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3154 &fb_mem_phys, GFP_KERNEL);
3156 pr_err("%s: Failed to allocate framebuffer\n",
3160 fbi->fix.smem_len = fb_mem_size;
3161 fbi->fix.smem_start = fb_mem_phys;
3162 fbi->screen_base = fb_mem_virt;
3164 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3165 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3166 fbi->fix.smem_start, fbi->screen_base,
3169 if (dev_drv->rotate_mode > X_Y_MIRROR) {
3170 fb_mem_size = get_fb_size();
3171 #if defined(CONFIG_ION_ROCKCHIP)
3172 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3175 fb_mem_virt = dma_alloc_writecombine(fbi->dev,
3176 fb_mem_size, &fb_mem_phys, GFP_KERNEL);
3178 pr_err("%s: Failed to allocate framebuffer\n",
3182 fbi->fix.smem_len = fb_mem_size;
3183 fbi->fix.smem_start = fb_mem_phys;
3184 fbi->screen_base = fb_mem_virt;
3187 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3188 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3189 fbi->screen_base = rk_fb->fb[0]->screen_base;
3192 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3193 fbi->fix.smem_start, fbi->screen_base,
3197 fbi->screen_size = fbi->fix.smem_len;
3198 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3200 win = dev_drv->win[win_id];
3201 win->reserved = fbi->fix.smem_start;
3208 static int rk_release_fb_buffer(struct fb_info *fbi)
3210 /* buffer for fb1 and fb3 are alloc by android */
3211 if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3213 iounmap(fbi->screen_base);
3214 release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3220 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3221 struct rk_lcdc_win *def_win)
3224 int lcdc_win_num = dev_drv->lcdc_win_num;
3225 for (i = 0; i < lcdc_win_num; i++) {
3226 struct rk_lcdc_win *win = NULL;
3227 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3229 dev_err(dev_drv->dev, "kzmalloc for win fail!");
3233 strcpy(win->name, def_win[i].name);
3234 win->id = def_win[i].id;
3235 win->support_3d = def_win[i].support_3d;
3236 dev_drv->win[i] = win;
3242 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3243 struct rk_lcdc_win *def_win, int index)
3245 struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3246 struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3247 sizeof(struct rk_screen),
3250 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3255 screen->screen_id = 0;
3256 screen->lcdc_id = dev_drv->id;
3257 screen->overscan.left = 100;
3258 screen->overscan.top = 100;
3259 screen->overscan.right = 100;
3260 screen->overscan.bottom = 100;
3262 screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3263 screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3265 dev_drv->screen0 = screen;
3266 dev_drv->cur_screen = screen;
3267 /* devie use one lcdc + rk61x scaler for dual display */
3268 if (rk_fb->disp_mode == ONE_DUAL) {
3269 struct rk_screen *screen1 = devm_kzalloc(dev_drv->dev,
3270 sizeof(struct rk_screen),
3273 dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3277 screen1->screen_id = 1;
3278 screen1->lcdc_id = 1;
3279 dev_drv->screen1 = screen1;
3281 sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3282 init_lcdc_win(dev_drv, def_win);
3283 init_completion(&dev_drv->frame_done);
3284 spin_lock_init(&dev_drv->cpl_lock);
3285 mutex_init(&dev_drv->fb_win_id_mutex);
3286 dev_drv->ops->fb_win_remap(dev_drv, FB_DEFAULT_ORDER);
3287 dev_drv->first_frame = 1;
3288 rk_disp_pwr_ctr_parse_dt(dev_drv);
3289 if (dev_drv->prop == PRMRY) {
3290 dev_drv->ops->set_dsp_cabc(dev_drv, dev_drv->cabc_mode);
3291 rk_fb_set_prmry_screen(screen);
3292 rk_fb_get_prmry_screen(screen);
3294 dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3299 #ifdef CONFIG_LOGO_LINUX_BMP
3300 static struct linux_logo *bmp_logo;
3301 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3303 bmp_logo = fb_find_logo(24);
3304 if (bmp_logo == NULL) {
3305 printk(KERN_INFO "%s error\n", __func__);
3311 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3313 unsigned char *src = bmp_logo->data;
3314 unsigned char *dst = info->screen_base;
3316 unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3317 unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3319 for (i = 0; i < Needheight; i++)
3320 memcpy(dst + info->var.xres * i * 4,
3321 src + bmp_logo->width * i * 4, Needwidth * 4);
3327 * check if the primary lcdc has registerd,
3328 * the primary lcdc mas register first
3330 bool is_prmry_rk_lcdc_registered(void)
3332 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3333 if (rk_fb->lcdc_dev_drv[0])
3340 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3341 struct rk_lcdc_win *win, int id)
3343 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3344 struct fb_info *fbi;
3345 int i = 0, ret = 0, index = 0;
3346 #if defined(CONFIG_ROCKCHIP_IOMMU)
3347 struct device *mmu_dev = NULL;
3349 if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3352 for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3353 if (!rk_fb->lcdc_dev_drv[i]) {
3354 rk_fb->lcdc_dev_drv[i] = dev_drv;
3355 rk_fb->lcdc_dev_drv[i]->id = id;
3362 init_lcdc_device_driver(rk_fb, win, index);
3363 dev_drv->fb_index_base = rk_fb->num_fb;
3364 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3365 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3367 dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3373 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3374 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3375 fbi->var.grayscale |=
3376 (fbi->var.xres << 8) + (fbi->var.yres << 20);
3377 #if defined(CONFIG_LOGO_LINUX_BMP)
3378 fbi->var.bits_per_pixel = 32;
3380 fbi->var.bits_per_pixel = 16;
3382 fbi->fix.line_length =
3383 (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3384 fbi->var.width = dev_drv->cur_screen->width;
3385 fbi->var.height = dev_drv->cur_screen->height;
3386 fbi->var.pixclock = dev_drv->pixclock;
3387 if (dev_drv->iommu_enabled)
3388 fb_ops.fb_mmap = rk_fb_mmap;
3389 fbi->fbops = &fb_ops;
3390 fbi->flags = FBINFO_FLAG_DEFAULT;
3391 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3392 ret = register_framebuffer(fbi);
3394 dev_err(&fb_pdev->dev,
3395 "%s fb%d register_framebuffer fail!\n",
3396 __func__, rk_fb->num_fb);
3399 rkfb_create_sysfs(fbi);
3400 rk_fb->fb[rk_fb->num_fb] = fbi;
3401 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3406 init_waitqueue_head(&dev_drv->vsync_info.wait);
3407 init_waitqueue_head(&dev_drv->update_regs_wait);
3408 ret = device_create_file(fbi->dev, &dev_attr_vsync);
3411 "failed to create vsync file\n");
3412 dev_drv->vsync_info.thread =
3413 kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3415 if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3417 "failed to run vsync thread\n");
3418 dev_drv->vsync_info.thread = NULL;
3420 dev_drv->vsync_info.active = 1;
3422 mutex_init(&dev_drv->output_lock);
3424 INIT_LIST_HEAD(&dev_drv->update_regs_list);
3425 mutex_init(&dev_drv->update_regs_list_lock);
3426 init_kthread_worker(&dev_drv->update_regs_worker);
3428 dev_drv->update_regs_thread =
3429 kthread_run(kthread_worker_fn,
3430 &dev_drv->update_regs_worker, "rk-fb");
3431 if (IS_ERR(dev_drv->update_regs_thread)) {
3432 int err = PTR_ERR(dev_drv->update_regs_thread);
3433 dev_drv->update_regs_thread = NULL;
3435 printk("failed to run update_regs thread\n");
3438 init_kthread_work(&dev_drv->update_regs_work,
3439 rk_fb_update_regs_handler);
3442 sw_sync_timeline_create("fb-timeline");
3443 dev_drv->timeline_max = 1;
3448 /* show logo for primary display device */
3449 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO)
3450 if (dev_drv->prop == PRMRY) {
3451 struct fb_info *main_fbi = rk_fb->fb[0];
3452 main_fbi->fbops->fb_open(main_fbi, 1);
3453 #if defined(CONFIG_ROCKCHIP_IOMMU)
3454 if (dev_drv->iommu_enabled) {
3456 rockchip_get_sysmmu_device_by_compatible(dev_drv->mmu_dts_name);
3458 platform_set_sysmmu(mmu_dev, dev_drv->dev);
3459 rockchip_sysmmu_set_fault_handler(dev_drv->dev,
3460 rk_fb_sysmmu_fault_handler);
3461 iovmm_activate(dev_drv->dev);
3463 dev_err(dev_drv->dev,
3464 "failed to get rockchip iommu device\n");
3467 rk_fb_alloc_buffer(main_fbi, 0); /* only alloc memory for main fb */
3468 if (support_uboot_display()) {
3469 if (dev_drv->iommu_enabled) {
3470 rk_fb_copy_from_loader(main_fbi);
3471 dev_drv->ops->direct_set_addr(dev_drv, 0,
3472 main_fbi->fix.smem_start);
3476 main_fbi->fbops->fb_set_par(main_fbi);
3477 #if defined(CONFIG_LOGO_LINUX_BMP)
3478 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
3479 fb_set_cmap(&main_fbi->cmap, main_fbi);
3480 fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
3483 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
3484 fb_set_cmap(&main_fbi->cmap, main_fbi);
3485 fb_show_logo(main_fbi, FB_ROTATE_UR);
3488 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
3490 #if !defined(CONFIG_ROCKCHIP_IOMMU)
3491 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
3492 int extend_fb_id = get_extend_fb_id(extend_fbi);
3493 rk_fb_alloc_buffer(extend_fbi, extend_fb_id);
3502 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
3505 struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
3506 struct fb_info *fbi;
3507 int fb_index_base = dev_drv->fb_index_base;
3508 int fb_num = dev_drv->lcdc_win_num;
3511 if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
3512 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
3513 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
3516 for (i = 0; i < fb_num; i++)
3517 kfree(dev_drv->win[i]);
3519 for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
3520 fbi = fb_inf->fb[i];
3521 unregister_framebuffer(fbi);
3522 /* rk_release_fb_buffer(fbi); */
3523 framebuffer_release(fbi);
3525 fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
3531 static int rk_fb_probe(struct platform_device *pdev)
3533 struct rk_fb *rk_fb = NULL;
3534 struct device_node *np = pdev->dev.of_node;
3538 dev_err(&pdev->dev, "Missing device tree node.\n");
3542 rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
3544 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
3547 platform_set_drvdata(pdev, rk_fb);
3549 if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
3550 rk_fb->disp_mode = mode;
3553 dev_err(&pdev->dev, "no disp-mode node found!");
3557 if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
3558 printk("uboot-logo-on:%d\n", uboot_logo_on);
3560 dev_set_name(&pdev->dev, "rockchip-fb");
3561 #if defined(CONFIG_ION_ROCKCHIP)
3562 rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
3563 if (IS_ERR(rk_fb->ion_client)) {
3564 dev_err(&pdev->dev, "failed to create ion client for rk fb");
3565 return PTR_ERR(rk_fb->ion_client);
3567 dev_info(&pdev->dev, "rk fb ion client create success!\n");
3572 dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
3576 static int rk_fb_remove(struct platform_device *pdev)
3578 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3580 platform_set_drvdata(pdev, NULL);
3584 static void rk_fb_shutdown(struct platform_device *pdev)
3586 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3588 for (i = 0; i < rk_fb->num_lcdc; i++) {
3589 if (!rk_fb->lcdc_dev_drv[i])
3596 static const struct of_device_id rkfb_dt_ids[] = {
3597 {.compatible = "rockchip,rk-fb",},
3601 static struct platform_driver rk_fb_driver = {
3602 .probe = rk_fb_probe,
3603 .remove = rk_fb_remove,
3606 .owner = THIS_MODULE,
3607 .of_match_table = of_match_ptr(rkfb_dt_ids),
3609 .shutdown = rk_fb_shutdown,
3612 static int __init rk_fb_init(void)
3614 return platform_driver_register(&rk_fb_driver);
3617 static void __exit rk_fb_exit(void)
3619 platform_driver_unregister(&rk_fb_driver);
3622 fs_initcall(rk_fb_init);
3623 module_exit(rk_fb_exit);