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 <linux/vmalloc.h>
28 #include <asm/div64.h>
29 #include <linux/uaccess.h>
30 #include <linux/rk_fb.h>
31 #include <linux/linux_logo.h>
32 #include <linux/dma-mapping.h>
33 #include <linux/regulator/consumer.h>
35 #include "bmp_helper.h"
37 #if defined(CONFIG_RK_HDMI)
38 #include "hdmi/rockchip-hdmi.h"
41 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
47 #include <linux/of_platform.h>
48 #include <linux/of_gpio.h>
49 #include <video/of_display_timing.h>
50 #include <video/display_timing.h>
51 #include <dt-bindings/rkfb/rk_fb.h>
54 #if defined(CONFIG_ION_ROCKCHIP)
55 #include <linux/rockchip_ion.h>
56 #include <linux/rockchip-iovmm.h>
57 #include <linux/dma-buf.h>
58 #include <linux/highmem.h>
62 /* #define FB_ROATE_BY_KERNEL 1 */
64 static int hdmi_switch_complete;
65 static struct platform_device *fb_pdev;
67 #if defined(CONFIG_FB_MIRRORING)
68 int (*video_data_to_mirroring) (struct fb_info *info, u32 yuv_phy[2]);
69 EXPORT_SYMBOL(video_data_to_mirroring);
72 extern phys_addr_t uboot_logo_base;
73 extern phys_addr_t uboot_logo_size;
74 extern phys_addr_t uboot_logo_offset;
75 static struct rk_fb_trsm_ops *trsm_lvds_ops;
76 static struct rk_fb_trsm_ops *trsm_edp_ops;
77 static struct rk_fb_trsm_ops *trsm_mipi_ops;
78 static int uboot_logo_on;
79 int support_uboot_display(void)
84 int rk_fb_get_display_policy(void)
89 rk_fb = platform_get_drvdata(fb_pdev);
90 return rk_fb->disp_policy;
92 return DISPLAY_POLICY_SDK;
96 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
101 case SCREEN_DUAL_LVDS:
102 case SCREEN_LVDS_10BIT:
103 case SCREEN_DUAL_LVDS_10BIT:
110 case SCREEN_DUAL_MIPI:
114 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
121 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
123 struct rk_fb_trsm_ops *ops;
127 case SCREEN_DUAL_LVDS:
128 case SCREEN_LVDS_10BIT:
129 case SCREEN_DUAL_LVDS_10BIT:
136 case SCREEN_DUAL_MIPI:
141 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
148 int rk_fb_pixel_width(int data_format)
151 switch (data_format) {
179 printk(KERN_WARNING "%s:un supported format:0x%x\n",
180 __func__, data_format);
186 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
190 switch (data_format) {
191 case HAL_PIXEL_FORMAT_RGBX_8888:
192 fb_data_fmt = XBGR888;
194 case HAL_PIXEL_FORMAT_RGBA_8888:
195 fb_data_fmt = ABGR888;
197 case HAL_PIXEL_FORMAT_BGRA_8888:
198 fb_data_fmt = ARGB888;
200 case HAL_PIXEL_FORMAT_RGB_888:
201 fb_data_fmt = RGB888;
203 case HAL_PIXEL_FORMAT_RGB_565:
204 fb_data_fmt = RGB565;
206 case HAL_PIXEL_FORMAT_YCbCr_422_SP: /* yuv422 */
207 fb_data_fmt = YUV422;
209 case HAL_PIXEL_FORMAT_YCrCb_420_SP: /* YUV420---vuvuvu */
210 fb_data_fmt = YUV420_NV21;
212 case HAL_PIXEL_FORMAT_YCrCb_NV12: /* YUV420---uvuvuv */
213 fb_data_fmt = YUV420;
215 case HAL_PIXEL_FORMAT_YCrCb_444: /* yuv444 */
216 fb_data_fmt = YUV444;
218 case HAL_PIXEL_FORMAT_YCrCb_NV12_10: /* yuv444 */
219 fb_data_fmt = YUV420_A;
221 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10: /* yuv444 */
222 fb_data_fmt = YUV422_A;
224 case HAL_PIXEL_FORMAT_YCrCb_420_SP_10: /* yuv444 */
225 fb_data_fmt = YUV444_A;
227 case HAL_PIXEL_FORMAT_FBDC_RGB565: /* fbdc rgb565*/
228 fb_data_fmt = FBDC_RGB_565;
230 case HAL_PIXEL_FORMAT_FBDC_U8U8U8U8: /* fbdc argb888 */
231 fb_data_fmt = FBDC_ARGB_888;
233 case HAL_PIXEL_FORMAT_FBDC_RGBA888: /* fbdc abgr888 */
234 fb_data_fmt = FBDC_ABGR_888;
236 case HAL_PIXEL_FORMAT_FBDC_U8U8U8: /* fbdc rgb888 */
237 fb_data_fmt = FBDC_RGBX_888;
240 printk(KERN_WARNING "%s:un supported format:0x%x\n",
241 __func__, data_format);
245 switch (bits_per_pixel) {
247 fb_data_fmt = ARGB888;
250 fb_data_fmt = RGB888;
253 fb_data_fmt = RGB565;
257 "%s:un supported bits_per_pixel:%d\n", __func__,
266 * rk display power control parse from dts
268 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
270 struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
272 struct device_node *child;
273 struct rk_disp_pwr_ctr_list *pwr_ctr;
274 struct list_head *pos;
275 enum of_gpio_flags flags;
280 INIT_LIST_HEAD(&dev_drv->pwrlist_head);
282 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
287 for_each_child_of_node(root, child) {
288 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
290 strcpy(pwr_ctr->pwr_ctr.name, child->name);
291 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
293 pwr_ctr->pwr_ctr.type = GPIO;
294 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
295 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
296 dev_err(dev_drv->dev, "%s ivalid gpio\n",
300 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
301 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
304 dev_err(dev_drv->dev,
305 "request %s gpio fail:%d\n",
310 pwr_ctr->pwr_ctr.type = REGULATOR;
311 pwr_ctr->pwr_ctr.rgl_name = NULL;
312 ret = of_property_read_string(child, "rockchip,regulator_name",
313 &(pwr_ctr->pwr_ctr.rgl_name));
314 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
315 dev_err(dev_drv->dev, "get regulator name failed!\n");
316 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
317 pwr_ctr->pwr_ctr.volt = val;
319 pwr_ctr->pwr_ctr.volt = 0;
323 if (!of_property_read_u32(child, "rockchip,delay", &val))
324 pwr_ctr->pwr_ctr.delay = val;
326 pwr_ctr->pwr_ctr.delay = 0;
327 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
330 of_property_read_u32(root, "rockchip,debug", &debug);
333 list_for_each(pos, &dev_drv->pwrlist_head) {
334 pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
336 printk(KERN_INFO "pwr_ctr_name:%s\n"
341 pwr_ctr->pwr_ctr.name,
342 (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
343 pwr_ctr->pwr_ctr.gpio,
344 pwr_ctr->pwr_ctr.atv_val,
345 pwr_ctr->pwr_ctr.delay);
353 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
355 struct list_head *pos;
356 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
357 struct pwr_ctr *pwr_ctr;
358 struct regulator *regulator_lcd = NULL;
361 if (list_empty(&dev_drv->pwrlist_head))
363 list_for_each(pos, &dev_drv->pwrlist_head) {
364 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
366 pwr_ctr = &pwr_ctr_list->pwr_ctr;
367 if (pwr_ctr->type == GPIO) {
368 gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
369 mdelay(pwr_ctr->delay);
370 } else if (pwr_ctr->type == REGULATOR) {
371 if (pwr_ctr->rgl_name)
372 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
373 if (regulator_lcd == NULL) {
374 dev_err(dev_drv->dev,
375 "%s: regulator get failed,regulator name:%s\n",
376 __func__, pwr_ctr->rgl_name);
379 regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
380 while (!regulator_is_enabled(regulator_lcd)) {
381 if (regulator_enable(regulator_lcd) == 0 || count == 0)
384 dev_err(dev_drv->dev,
385 "regulator_enable failed,count=%d\n",
389 regulator_put(regulator_lcd);
390 msleep(pwr_ctr->delay);
397 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
399 struct list_head *pos;
400 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
401 struct pwr_ctr *pwr_ctr;
402 struct regulator *regulator_lcd = NULL;
405 if (list_empty(&dev_drv->pwrlist_head))
407 list_for_each(pos, &dev_drv->pwrlist_head) {
408 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
410 pwr_ctr = &pwr_ctr_list->pwr_ctr;
411 if (pwr_ctr->type == GPIO) {
412 gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
413 } else if (pwr_ctr->type == REGULATOR) {
414 if (pwr_ctr->rgl_name)
415 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
416 if (regulator_lcd == NULL) {
417 dev_err(dev_drv->dev,
418 "%s: regulator get failed,regulator name:%s\n",
419 __func__, pwr_ctr->rgl_name);
422 while (regulator_is_enabled(regulator_lcd) > 0) {
423 if (regulator_disable(regulator_lcd) == 0 || count == 0)
426 dev_err(dev_drv->dev,
427 "regulator_disable failed,count=%d\n",
431 regulator_put(regulator_lcd);
437 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
438 struct rk_screen *screen)
440 screen->mode.pixclock = dt->pixelclock.typ;
441 screen->mode.left_margin = dt->hback_porch.typ;
442 screen->mode.right_margin = dt->hfront_porch.typ;
443 screen->mode.xres = dt->hactive.typ;
444 screen->mode.hsync_len = dt->hsync_len.typ;
445 screen->mode.upper_margin = dt->vback_porch.typ;
446 screen->mode.lower_margin = dt->vfront_porch.typ;
447 screen->mode.yres = dt->vactive.typ;
448 screen->mode.vsync_len = dt->vsync_len.typ;
449 screen->type = dt->screen_type;
450 screen->lvds_format = dt->lvds_format;
451 screen->face = dt->face;
452 screen->color_mode = dt->color_mode;
453 screen->dsp_lut = dt->dsp_lut;
454 screen->cabc_lut = dt->cabc_lut;
455 screen->cabc_gamma_base = dt->cabc_gamma_base;
457 if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
458 screen->pin_dclk = 1;
460 screen->pin_dclk = 0;
461 if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
462 screen->pin_hsync = 1;
464 screen->pin_hsync = 0;
465 if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
466 screen->pin_vsync = 1;
468 screen->pin_vsync = 0;
469 if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
478 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
480 struct display_timings *disp_timing;
481 struct display_timing *dt;
482 disp_timing = of_get_display_timings(np);
484 pr_err("parse display timing err\n");
487 dt = display_timings_get(disp_timing, disp_timing->native_mode);
488 rk_fb_video_mode_from_timing(dt, screen);
493 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
496 unsigned long long hz;
498 printk(KERN_ERR "%s:null screen!\n", __func__);
501 x = screen->mode.xres + screen->mode.left_margin +
502 screen->mode.right_margin + screen->mode.hsync_len;
503 y = screen->mode.yres + screen->mode.upper_margin +
504 screen->mode.lower_margin + screen->mode.vsync_len;
506 hz = 1000000000000ULL; /* 1e12 picoseconds per second */
509 do_div(hz, x * y); /* divide by x * y with rounding */
512 do_div(hz, pixclock); /* divide by pixclock with rounding */
517 char *get_format_string(enum data_format format, char *fmt)
523 strcpy(fmt, "ARGB888");
526 strcpy(fmt, "RGB888");
529 strcpy(fmt, "RGB565");
533 strcpy(fmt, "YUV420");
536 strcpy(fmt, "YUV422");
539 strcpy(fmt, "YUV444");
542 strcpy(fmt, "YUV420_A");
545 strcpy(fmt, "YUV422_A");
548 strcpy(fmt, "YUV444_A");
551 strcpy(fmt, "XRGB888");
554 strcpy(fmt, "XBGR888");
557 strcpy(fmt, "ABGR888");
560 strcpy(fmt, "FBDC_RGB_565");
564 strcpy(fmt, "FBDC_ARGB_888");
567 strcpy(fmt, "FBDC_RGBX_888");
570 strcpy(fmt, "invalid");
580 * name: lcdc device name ,lcdc0 , lcdc1
582 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
584 struct rk_fb *inf = NULL;
585 struct rk_lcdc_driver *dev_drv = NULL;
589 inf = platform_get_drvdata(fb_pdev);
593 for (i = 0; i < inf->num_lcdc; i++) {
594 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
595 dev_drv = inf->lcdc_dev_drv[i];
603 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
605 struct rk_fb *inf = NULL;
606 struct rk_lcdc_driver *dev_drv = NULL;
610 inf = platform_get_drvdata(fb_pdev);
614 for (i = 0; i < inf->num_lcdc; i++) {
615 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
616 dev_drv = inf->lcdc_dev_drv[i];
624 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
626 struct rk_fb *inf = NULL;
627 struct rk_lcdc_driver *dev_drv = NULL;
631 inf = platform_get_drvdata(fb_pdev);
635 for (i = 0; i < inf->num_lcdc; i++) {
636 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
637 dev_drv = inf->lcdc_dev_drv[i];
646 * get one frame time of the prmry screen, unit: us
648 u32 rk_fb_get_prmry_screen_ft(void)
650 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
651 uint32_t htotal, vtotal, pixclock_ps;
652 u64 pix_total, ft_us;
654 if (unlikely(!dev_drv))
657 pixclock_ps = dev_drv->pixclock;
659 vtotal = (dev_drv->cur_screen->mode.upper_margin +
660 dev_drv->cur_screen->mode.lower_margin +
661 dev_drv->cur_screen->mode.yres +
662 dev_drv->cur_screen->mode.vsync_len);
663 htotal = (dev_drv->cur_screen->mode.left_margin +
664 dev_drv->cur_screen->mode.right_margin +
665 dev_drv->cur_screen->mode.xres +
666 dev_drv->cur_screen->mode.hsync_len);
667 pix_total = htotal * vtotal;
668 ft_us = pix_total * pixclock_ps;
669 do_div(ft_us, 1000000);
670 if (dev_drv->frame_time.ft == 0)
671 dev_drv->frame_time.ft = ft_us;
673 ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
675 ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
677 dev_drv->frame_time.ft = ft_us;
679 return dev_drv->frame_time.ft;
683 * get the vblanking time of the prmry screen, unit: us
685 u32 rk_fb_get_prmry_screen_vbt(void)
687 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
688 uint32_t htotal, vblank, pixclock_ps;
689 u64 pix_blank, vbt_us;
691 if (unlikely(!dev_drv))
694 pixclock_ps = dev_drv->pixclock;
696 htotal = (dev_drv->cur_screen->mode.left_margin +
697 dev_drv->cur_screen->mode.right_margin +
698 dev_drv->cur_screen->mode.xres +
699 dev_drv->cur_screen->mode.hsync_len);
700 vblank = (dev_drv->cur_screen->mode.upper_margin +
701 dev_drv->cur_screen->mode.lower_margin +
702 dev_drv->cur_screen->mode.vsync_len);
703 pix_blank = htotal * vblank;
704 vbt_us = pix_blank * pixclock_ps;
705 do_div(vbt_us, 1000000);
710 * get the frame done time of the prmry screen, unit: us
712 u64 rk_fb_get_prmry_screen_framedone_t(void)
714 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
716 if (unlikely(!dev_drv))
719 return dev_drv->frame_time.framedone_t;
723 * set prmry screen status
725 int rk_fb_set_prmry_screen_status(int status)
727 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
728 struct rk_screen *screen;
730 if (unlikely(!dev_drv))
733 screen = dev_drv->cur_screen;
735 case SCREEN_PREPARE_DDR_CHANGE:
736 if (screen->type == SCREEN_MIPI
737 || screen->type == SCREEN_DUAL_MIPI) {
738 if (dev_drv->trsm_ops->dsp_pwr_off)
739 dev_drv->trsm_ops->dsp_pwr_off();
742 case SCREEN_UNPREPARE_DDR_CHANGE:
743 if (screen->type == SCREEN_MIPI
744 || screen->type == SCREEN_DUAL_MIPI) {
745 if (dev_drv->trsm_ops->dsp_pwr_on)
746 dev_drv->trsm_ops->dsp_pwr_on();
756 u32 rk_fb_get_prmry_screen_pixclock(void)
758 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
760 if (unlikely(!dev_drv))
763 return dev_drv->pixclock;
766 int rk_fb_poll_prmry_screen_vblank(void)
768 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
770 if (likely(dev_drv)) {
771 if (dev_drv->ops->poll_vblank)
772 return dev_drv->ops->poll_vblank(dev_drv);
774 return RK_LF_STATUS_NC;
776 return RK_LF_STATUS_NC;
780 bool rk_fb_poll_wait_frame_complete(void)
782 uint32_t timeout = RK_LF_MAX_TIMEOUT;
783 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
785 if (likely(dev_drv)) {
786 if (dev_drv->ops->set_irq_to_cpu)
787 dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
790 if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
791 if (likely(dev_drv)) {
792 if (dev_drv->ops->set_irq_to_cpu)
793 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
797 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
799 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
801 if (likely(dev_drv)) {
802 if (dev_drv->ops->set_irq_to_cpu)
803 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
810 /* rk_fb_get_sysmmu_device_by_compatible()
811 * @compt: dts device compatible name
812 * return value: success: pointer to the device inside of platform device
815 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
817 struct device_node *dn = NULL;
818 struct platform_device *pd = NULL;
819 struct device *ret = NULL ;
821 dn = of_find_compatible_node(NULL, NULL, compt);
823 printk("can't find device node %s \r\n", compt);
827 pd = of_find_device_by_node(dn);
829 printk("can't find platform device in device node %s \r\n", compt);
837 #ifdef CONFIG_IOMMU_API
838 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
840 dev->archdata.iommu = sysmmu;
843 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
849 static int rk_fb_open(struct fb_info *info, int user)
851 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
852 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
855 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
857 /* if this win aready opened ,no need to reopen */
858 if (dev_drv->win[win_id]->state)
861 dev_drv->ops->open(dev_drv, win_id, 1);
865 static int rk_fb_close(struct fb_info *info, int user)
867 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
868 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
869 struct rk_lcdc_win *win = NULL;
870 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
873 win = dev_drv->win[win_id];
875 if (!fb_par->state) {
876 if (fb_par->fb_phy_base > 0)
877 info->fix.smem_start = fb_par->fb_phy_base;
878 info->var.xres = dev_drv->screen0->mode.xres;
879 info->var.yres = dev_drv->screen0->mode.yres;
881 info->var.grayscale |=
882 (info->var.xres << 8) + (info->var.yres << 20);
884 info->var.xres_virtual = info->var.xres;
885 info->var.yres_virtual = info->var.yres;
886 #if defined(CONFIG_LOGO_LINUX_BMP)
887 info->var.bits_per_pixel = 32;
889 info->var.bits_per_pixel = 16;
891 info->fix.line_length =
892 (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
893 info->var.width = dev_drv->screen0->width;
894 info->var.height = dev_drv->screen0->height;
895 info->var.pixclock = dev_drv->pixclock;
896 info->var.left_margin = dev_drv->screen0->mode.left_margin;
897 info->var.right_margin = dev_drv->screen0->mode.right_margin;
898 info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
899 info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
900 info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
901 info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
908 #if defined(FB_ROATE_BY_KERNEL)
910 #if defined(CONFIG_RK29_IPP)
911 static int get_ipp_format(int fmt)
913 int ipp_fmt = IPP_XRGB_8888;
915 case HAL_PIXEL_FORMAT_RGBX_8888:
916 case HAL_PIXEL_FORMAT_RGBA_8888:
917 case HAL_PIXEL_FORMAT_BGRA_8888:
918 case HAL_PIXEL_FORMAT_RGB_888:
919 ipp_fmt = IPP_XRGB_8888;
921 case HAL_PIXEL_FORMAT_RGB_565:
922 ipp_fmt = IPP_RGB_565;
924 case HAL_PIXEL_FORMAT_YCbCr_422_SP:
925 ipp_fmt = IPP_Y_CBCR_H2V1;
927 case HAL_PIXEL_FORMAT_YCrCb_NV12:
928 ipp_fmt = IPP_Y_CBCR_H2V2;
930 case HAL_PIXEL_FORMAT_YCrCb_444:
931 ipp_fmt = IPP_Y_CBCR_H1V1;
934 ipp_fmt = IPP_IMGTYPE_LIMIT;
941 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
942 int rotation, int fmt)
947 if (fmt == IPP_XRGB_8888) {
950 } else if (fmt == IPP_RGB_565) {
957 align16 -= 1; /*for YUV, 1 */
958 align64 -= 1; /*for YUV, 7 */
960 if (rotation == IPP_ROT_0) {
961 if (fmt > IPP_RGB_565) {
962 if ((*dst_w & 1) != 0)
964 if ((*dst_h & 1) != 0)
966 if (*dst_vir_w < *dst_w)
970 if ((*dst_w & align64) != 0)
971 *dst_w = (*dst_w + align64) & (~align64);
972 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
974 if (*dst_vir_w < *dst_w)
979 static void fb_copy_by_ipp(struct fb_info *dst_info,
980 struct fb_info *src_info)
982 struct rk29_ipp_req ipp_req;
983 uint32_t rotation = 0;
984 int dst_w, dst_h, dst_vir_w;
986 u8 data_format = (dst_info->var.nonstd) & 0xff;
987 struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
988 struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
989 u16 orientation = ext_dev_drv->rotate_mode;
991 memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
993 switch (orientation) {
995 rotation = IPP_ROT_0;
998 rotation = IPP_ROT_90;
1001 rotation = IPP_ROT_180;
1004 rotation = IPP_ROT_270;
1007 rotation = IPP_ROT_270;
1011 dst_w = dst_info->var.xres;
1012 dst_h = dst_info->var.yres;
1013 dst_vir_w = dst_info->var.xres_virtual;
1014 ipp_fmt = get_ipp_format(data_format);
1015 ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1016 ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1017 ipp_req.src0.w = src_info->var.xres;
1018 ipp_req.src0.h = src_info->var.yres;
1019 ipp_req.src_vir_w = src_info->var.xres_virtual;
1020 ipp_req.src0.fmt = ipp_fmt;
1022 ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1023 ipp_req.dst0.w = dst_w;
1024 ipp_req.dst0.h = dst_h;
1025 ipp_req.dst_vir_w = dst_vir_w;
1026 ipp_req.dst0.fmt = ipp_fmt;
1028 ipp_req.timeout = 100;
1029 ipp_req.flag = rotation;
1030 ipp_blit_sync(&ipp_req);
1035 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1036 static int get_rga_format(int fmt)
1042 rga_fmt = RK_FORMAT_RGBX_8888;
1045 rga_fmt = RK_FORMAT_RGBA_8888;
1048 rga_fmt = RK_FORMAT_BGRA_8888;
1051 rga_fmt = RK_FORMAT_RGB_888;
1054 rga_fmt = RK_FORMAT_RGB_565;
1057 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1060 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1063 rga_fmt = RK_FORMAT_RGBA_8888;
1070 static void rga_win_check(struct rk_lcdc_win *dst_win,
1071 struct rk_lcdc_win *src_win)
1075 format = get_rga_format(src_win->area[0].format);
1076 /* width and height must be even number */
1077 if (format >= RK_FORMAT_YCbCr_422_SP &&
1078 format <= RK_FORMAT_YCrCb_420_P) {
1079 if ((src_win->area[0].xact % 2) != 0)
1080 src_win->area[0].xact += 1;
1081 if ((src_win->area[0].yact % 2) != 0)
1082 src_win->area[0].yact += 1;
1084 if (src_win->area[0].xvir < src_win->area[0].xact)
1085 src_win->area[0].xvir = src_win->area[0].xact;
1086 if (src_win->area[0].yvir < src_win->area[0].yact)
1087 src_win->area[0].yvir = src_win->area[0].yact;
1089 format = get_rga_format(dst_win->area[0].format);
1090 if (format >= RK_FORMAT_YCbCr_422_SP &&
1091 format <= RK_FORMAT_YCrCb_420_P) {
1092 if ((dst_win->area[0].xact % 2) != 0)
1093 dst_win->area[0].xact += 1;
1094 if ((dst_win->area[0].yact % 2) != 0)
1095 dst_win->area[0].yact += 1;
1097 if (dst_win->area[0].xvir < dst_win->area[0].xact)
1098 dst_win->area[0].xvir = dst_win->area[0].xact;
1099 if (dst_win->area[0].yvir < dst_win->area[0].yact)
1100 dst_win->area[0].yvir = dst_win->area[0].yact;
1103 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1104 struct rk_lcdc_win *src_win,
1105 u16 orientation, int iommu_en)
1107 struct rga_req Rga_Request;
1111 memset(&Rga_Request, 0, sizeof(Rga_Request));
1112 rga_win_check(dst_win, src_win);
1114 switch (orientation) {
1116 Rga_Request.rotate_mode = 1;
1117 Rga_Request.sina = 65536;
1118 Rga_Request.cosa = 0;
1119 Rga_Request.dst.act_w = dst_win->area[0].yact;
1120 Rga_Request.dst.act_h = dst_win->area[0].xact;
1121 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1122 Rga_Request.dst.y_offset = 0;
1125 Rga_Request.rotate_mode = 1;
1126 Rga_Request.sina = 0;
1127 Rga_Request.cosa = -65536;
1128 Rga_Request.dst.act_w = dst_win->area[0].xact;
1129 Rga_Request.dst.act_h = dst_win->area[0].yact;
1130 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1131 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1134 Rga_Request.rotate_mode = 1;
1135 Rga_Request.sina = -65536;
1136 Rga_Request.cosa = 0;
1137 Rga_Request.dst.act_w = dst_win->area[0].yact;
1138 Rga_Request.dst.act_h = dst_win->area[0].xact;
1139 Rga_Request.dst.x_offset = 0;
1140 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1143 Rga_Request.rotate_mode = 0;
1144 Rga_Request.dst.act_w = dst_win->area[0].xact;
1145 Rga_Request.dst.act_h = dst_win->area[0].yact;
1146 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1147 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1152 fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1153 Rga_Request.src.yrgb_addr = fd;
1154 fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1155 Rga_Request.dst.yrgb_addr = fd;
1157 Rga_Request.src.yrgb_addr = 0;
1158 Rga_Request.src.uv_addr =
1159 src_win->area[0].smem_start + src_win->area[0].y_offset;
1160 Rga_Request.src.v_addr = 0;
1162 Rga_Request.dst.yrgb_addr = 0;
1163 Rga_Request.dst.uv_addr =
1164 dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1165 Rga_Request.dst.v_addr = 0;
1167 Rga_Request.src.vir_w = src_win->area[0].xvir;
1168 Rga_Request.src.vir_h = src_win->area[0].yvir;
1169 Rga_Request.src.format = get_rga_format(src_win->area[0].format);
1170 Rga_Request.src.act_w = src_win->area[0].xact;
1171 Rga_Request.src.act_h = src_win->area[0].yact;
1172 Rga_Request.src.x_offset = 0;
1173 Rga_Request.src.y_offset = 0;
1175 Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1176 Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1177 Rga_Request.dst.format = get_rga_format(dst_win->area[0].format);
1179 Rga_Request.clip.xmin = 0;
1180 Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1181 Rga_Request.clip.ymin = 0;
1182 Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1183 Rga_Request.scale_mode = 0;
1184 #if defined(CONFIG_ROCKCHIP_IOMMU)
1186 Rga_Request.mmu_info.mmu_en = 1;
1187 Rga_Request.mmu_info.mmu_flag = 1;
1189 Rga_Request.mmu_info.mmu_en = 0;
1190 Rga_Request.mmu_info.mmu_flag = 0;
1193 Rga_Request.mmu_info.mmu_en = 0;
1194 Rga_Request.mmu_info.mmu_flag = 0;
1197 ret = rga_ioctl_kernel(&Rga_Request);
1201 * This function is used for copying fb by RGA Module
1202 * RGA only support copy RGB to RGB
1203 * RGA2 support copy RGB to RGB and YUV to YUV
1205 static void fb_copy_by_rga(struct fb_info *dst_info,
1206 struct fb_info *src_info)
1208 struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1209 struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1210 struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1211 struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1212 int win_id = 0, ext_win_id;
1213 struct rk_lcdc_win *src_win, *dst_win;
1215 win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1216 src_win = dev_drv->win[win_id];
1219 ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1220 dst_win = ext_dev_drv->win[ext_win_id];
1222 win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1223 ext_dev_drv->iommu_enabled);
1227 static int rk_fb_rotate(struct fb_info *dst_info,
1228 struct fb_info *src_info)
1231 #if defined(CONFIG_RK29_IPP)
1232 fb_copy_by_ipp(dst_info, src_info);
1233 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1234 fb_copy_by_rga(dst_info, src_info);
1241 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1242 struct rk_lcdc_win *src_win,
1243 u16 rotate, int iommu_en)
1245 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1246 win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1255 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1256 struct fb_info *info)
1258 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1259 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1260 struct fb_fix_screeninfo *fix = &info->fix;
1262 struct rk_lcdc_win *win = NULL;
1263 struct rk_screen *screen = dev_drv->cur_screen;
1264 u32 xoffset = var->xoffset;
1265 u32 yoffset = var->yoffset;
1266 u32 xvir = var->xres_virtual;
1269 u32 stride, uv_stride;
1272 u16 uv_x_off, uv_y_off, uv_y_act;
1275 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1279 win = dev_drv->win[win_id];
1281 pixel_width = rk_fb_pixel_width(win->area[0].format);
1282 vir_width_bit = pixel_width * xvir;
1283 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1284 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1286 switch (win->area[0].format) {
1290 stride = stride_32bit_1;
1291 uv_stride = stride_32bit_1 >> 1;
1292 uv_x_off = xoffset >> 1;
1294 fix->line_length = stride;
1295 uv_y_act = win->area[0].yact >> 1;
1297 case YUV420: /* nv12 */
1298 case YUV420_NV21: /* nv21 */
1301 stride = stride_32bit_1;
1302 uv_stride = stride_32bit_1;
1304 uv_y_off = yoffset >> 1;
1305 fix->line_length = stride;
1306 uv_y_act = win->area[0].yact >> 1;
1311 stride = stride_32bit_1;
1312 uv_stride = stride_32bit_2;
1313 uv_x_off = xoffset * 2;
1315 fix->line_length = stride << 2;
1316 uv_y_act = win->area[0].yact;
1319 stride = stride_32bit_1; /* default rgb */
1320 fix->line_length = stride;
1324 /* x y mirror ,jump line */
1325 if ((screen->y_mirror == 1) ||
1326 (win->mirror_en == 1)) {
1327 if (screen->interlace == 1) {
1328 win->area[0].y_offset = yoffset * stride * 2 +
1329 ((win->area[0].yact - 1) * 2 + 1) * stride +
1330 xoffset * pixel_width / 8;
1332 win->area[0].y_offset = yoffset * stride +
1333 (win->area[0].yact - 1) * stride +
1334 xoffset * pixel_width / 8;
1337 if (screen->interlace == 1) {
1338 win->area[0].y_offset =
1339 yoffset * stride * 2 + xoffset * pixel_width / 8;
1341 win->area[0].y_offset =
1342 yoffset * stride + xoffset * pixel_width / 8;
1345 if (is_pic_yuv == 1) {
1346 if ((screen->y_mirror == 1) ||
1347 (win->mirror_en == 1)) {
1348 if (screen->interlace == 1) {
1349 win->area[0].c_offset =
1350 uv_y_off * uv_stride * 2 +
1351 ((uv_y_act - 1) * 2 + 1) * uv_stride +
1352 uv_x_off * pixel_width / 8;
1354 win->area[0].c_offset = uv_y_off * uv_stride +
1355 (uv_y_act - 1) * uv_stride +
1356 uv_x_off * pixel_width / 8;
1359 if (screen->interlace == 1) {
1360 win->area[0].c_offset =
1361 uv_y_off * uv_stride * 2 +
1362 uv_x_off * pixel_width / 8;
1364 win->area[0].c_offset =
1365 uv_y_off * uv_stride +
1366 uv_x_off * pixel_width / 8;
1371 win->area[0].smem_start = fix->smem_start;
1372 win->area[0].cbr_start = fix->mmio_start;
1373 win->area[0].state = 1;
1376 dev_drv->ops->pan_display(dev_drv, win_id);
1378 #ifdef CONFIG_FB_MIRRORING
1379 if (video_data_to_mirroring)
1380 video_data_to_mirroring(info, NULL);
1382 /*if not want the config effect,set reserved[3] bit[0] 1*/
1383 if (likely((var->reserved[3] & 0x1) == 0))
1384 dev_drv->ops->cfg_done(dev_drv);
1389 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1393 i = list_empty(&dev_drv->update_regs_list);
1394 j = list_empty(&dev_drv->saved_list);
1395 return i == j ? 0 : 1;
1398 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1400 int err = sync_fence_wait(fence, 1000);
1406 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1409 printk("error waiting on fence\n");
1412 static int rk_fb_copy_from_loader(struct fb_info *info)
1414 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1415 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1416 void *dst = info->screen_base;
1421 struct rk_lcdc_win *win;
1423 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1424 win = dev_drv->win[win_id];
1425 size = (win->area[0].xact) * (win->area[0].yact) << 2;
1426 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1427 src = dsp_addr[win_id];
1428 dev_info(info->dev, "copy fb data %d x %d from dst_addr:%08x\n",
1429 win->area[0].xact, win->area[0].yact, src);
1430 for (i = 0; i < size; i += PAGE_SIZE) {
1431 void *page = phys_to_page(i + src);
1432 void *from_virt = kmap(page);
1433 void *to_virt = dst + i;
1434 memcpy(to_virt, from_virt, PAGE_SIZE);
1436 dev_drv->ops->direct_set_addr(dev_drv, win_id,
1437 info->fix.smem_start);
1441 #ifdef CONFIG_ROCKCHIP_IOMMU
1442 static int g_last_addr[4];
1447 #define DUMP_CHUNK 256
1448 char buf[PAGE_SIZE];
1450 int rk_fb_sysmmu_fault_handler(struct device *dev,
1451 enum rk_iommu_inttype itype,
1452 unsigned long pgtable_base,
1453 unsigned long fault_addr, unsigned int status)
1455 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1457 static int page_fault_cnt;
1458 if ((page_fault_cnt++) >= 10)
1461 ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1462 fault_addr, pgtable_base, status);
1463 printk("last config addr:\n" "win0:0x%08x\n" "win1:0x%08x\n"
1464 "win2:0x%08x\n" "win3:0x%08x\n", g_last_addr[0], g_last_addr[1],
1465 g_last_addr[2], g_last_addr[3]);
1466 printk("last freed buffer:\n");
1467 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1468 printk("%d:0x%08x\n", i, freed_addr[i]);
1469 printk("last timeout:%d\n", g_last_timeout);
1470 dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1471 for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1472 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1473 char c = buf[i + DUMP_CHUNK];
1474 buf[i + DUMP_CHUNK] = 0;
1475 pr_cont("%s", buf + i);
1476 buf[i + DUMP_CHUNK] = c;
1478 buf[PAGE_SIZE - 1] = 0;
1479 pr_cont("%s", buf + i);
1487 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1488 struct rk_fb_reg_win_data *reg_win_data)
1491 struct rk_fb_reg_area_data *area_data;
1492 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1494 for (i = 0; i < reg_win_data->area_num; i++) {
1495 area_data = ®_win_data->reg_area_data[i];
1496 index_buf = area_data->index_buf;
1497 #if defined(CONFIG_ROCKCHIP_IOMMU)
1498 if (dev_drv->iommu_enabled) {
1499 if ((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
1500 (area_data->ion_handle != NULL))
1501 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1502 area_data->ion_handle);
1503 freed_addr[freed_index++] = area_data->smem_start;
1506 if (area_data->ion_handle != NULL)
1507 ion_free(rk_fb->ion_client, area_data->ion_handle);
1509 if (area_data->acq_fence)
1510 sync_fence_put(area_data->acq_fence);
1512 memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1515 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1516 struct rk_lcdc_win *win,
1517 struct rk_fb_reg_win_data *reg_win_data)
1520 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1521 struct rk_screen *cur_screen;
1522 struct rk_screen primary_screen;
1524 if (unlikely(!inf) || unlikely(!dev_drv) ||
1525 unlikely(!win) || unlikely(!reg_win_data))
1528 cur_screen = dev_drv->cur_screen;
1529 rk_fb_get_prmry_screen(&primary_screen);
1531 win->area_num = reg_win_data->area_num;
1532 win->id = reg_win_data->win_id;
1533 win->z_order = reg_win_data->z_order;
1535 if (reg_win_data->reg_area_data[0].smem_start > 0) {
1537 win->area_num = reg_win_data->area_num;
1538 win->id = reg_win_data->win_id;
1539 win->z_order = reg_win_data->z_order;
1540 win->area[0].uv_vir_stride =
1541 reg_win_data->reg_area_data[0].uv_vir_stride;
1542 win->area[0].cbr_start =
1543 reg_win_data->reg_area_data[0].cbr_start;
1544 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1545 win->alpha_en = reg_win_data->alpha_en;
1546 win->alpha_mode = reg_win_data->alpha_mode;
1547 win->g_alpha_val = reg_win_data->g_alpha_val;
1548 win->mirror_en = reg_win_data->mirror_en;
1549 win->area[0].fbdc_en =
1550 reg_win_data->reg_area_data[0].fbdc_en;
1551 win->area[0].fbdc_cor_en =
1552 reg_win_data->reg_area_data[0].fbdc_cor_en;
1553 win->area[0].fbdc_data_format =
1554 reg_win_data->reg_area_data[0].fbdc_data_format;
1555 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1556 if (reg_win_data->reg_area_data[i].smem_start > 0) {
1557 win->area[i].format =
1558 reg_win_data->reg_area_data[i].data_format;
1559 if (inf->disp_policy != DISPLAY_POLICY_BOX)
1560 win->area[i].ion_hdl =
1561 reg_win_data->reg_area_data[i].ion_handle;
1562 win->area[i].smem_start =
1563 reg_win_data->reg_area_data[i].smem_start;
1564 if (inf->disp_mode == DUAL ||
1565 inf->disp_mode == NO_DUAL ||
1566 inf->disp_policy == DISPLAY_POLICY_BOX) {
1568 reg_win_data->reg_area_data[i].xpos;
1570 reg_win_data->reg_area_data[i].ypos;
1571 win->area[i].xsize =
1572 reg_win_data->reg_area_data[i].xsize;
1573 win->area[i].ysize =
1574 reg_win_data->reg_area_data[i].ysize;
1577 reg_win_data->reg_area_data[i].xpos *
1578 cur_screen->mode.xres /
1579 primary_screen.mode.xres;
1581 reg_win_data->reg_area_data[i].ypos *
1582 cur_screen->mode.yres /
1583 primary_screen.mode.yres;
1584 win->area[i].xsize =
1585 reg_win_data->reg_area_data[i].xsize *
1586 cur_screen->mode.xres /
1587 primary_screen.mode.xres;
1588 win->area[i].ysize =
1589 reg_win_data->reg_area_data[i].ysize *
1590 cur_screen->mode.yres /
1591 primary_screen.mode.yres;
1593 /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1594 if (inf->disp_mode == ONE_DUAL && hdmi_switch_complete) {
1595 if (cur_screen->xsize > 0 &&
1596 cur_screen->xsize <= cur_screen->mode.xres) {
1598 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1599 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1600 win->area[i].xsize =
1601 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1603 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1605 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1606 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1607 win->area[i].ysize =
1608 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1613 reg_win_data->reg_area_data[i].xact;
1615 reg_win_data->reg_area_data[i].yact;
1617 reg_win_data->reg_area_data[i].xvir;
1619 reg_win_data->reg_area_data[i].yvir;
1621 reg_win_data->reg_area_data[i].xoff;
1623 reg_win_data->reg_area_data[i].yoff;
1624 win->area[i].y_offset =
1625 reg_win_data->reg_area_data[i].y_offset;
1626 win->area[i].y_vir_stride =
1627 reg_win_data->reg_area_data[i].y_vir_stride;
1628 win->area[i].state = 1;
1630 win->area[i].state = 0;
1641 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1645 struct rk_fb_reg_win_data *win_data = NULL;
1646 for (i = 0; i < regs->win_num; i++) {
1647 if (regs->reg_win_data[i].win_id == win_id) {
1648 win_data = &(regs->reg_win_data[i]);
1656 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1657 struct rk_fb_reg_data *regs)
1660 struct rk_lcdc_win *win;
1661 ktime_t timestamp = dev_drv->vsync_info.timestamp;
1662 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1663 struct rk_fb_reg_win_data *win_data;
1664 bool wait_for_vsync;
1666 unsigned int dsp_addr[4];
1670 /* acq_fence wait */
1671 for (i = 0; i < regs->win_num; i++) {
1672 win_data = ®s->reg_win_data[i];
1673 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1674 if (win_data->reg_area_data[j].acq_fence) {
1675 /* printk("acq_fence wait!!!!!\n"); */
1676 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1681 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1682 win = dev_drv->win[i];
1683 win_data = rk_fb_get_win_data(regs, i);
1685 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1686 (win_data->reg_area_data[0].data_format == YUV420 ||
1687 win_data->reg_area_data[0].data_format == YUV420_NV21 ||
1688 win_data->reg_area_data[0].data_format == YUV420_A))
1690 mutex_lock(&dev_drv->win_config);
1691 rk_fb_update_win(dev_drv, win, win_data);
1693 dev_drv->ops->set_par(dev_drv, i);
1694 dev_drv->ops->pan_display(dev_drv, i);
1695 mutex_unlock(&dev_drv->win_config);
1696 #if defined(CONFIG_ROCKCHIP_IOMMU)
1697 if (dev_drv->iommu_enabled) {
1698 g_last_addr[i] = win_data->reg_area_data[0].smem_start +
1699 win_data->reg_area_data[0].y_offset;
1707 dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1708 dev_drv->ops->cfg_done(dev_drv);
1711 timestamp = dev_drv->vsync_info.timestamp;
1712 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1713 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1714 msecs_to_jiffies(50));
1716 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1717 wait_for_vsync = false;
1718 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1719 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1720 (!strcmp(dev_drv->win[i]->name, "hwc")))
1722 if (dev_drv->win[i]->state == 1) {
1724 dev_drv->win[i]->area[0].smem_start +
1725 dev_drv->win[i]->area[0].y_offset;
1726 u32 reg_start = dsp_addr[i];
1728 if ((rk_fb->disp_policy ==
1729 DISPLAY_POLICY_BOX) &&
1730 (dev_drv->suspend_flag))
1732 if (unlikely(new_start != reg_start)) {
1733 wait_for_vsync = true;
1734 dev_info(dev_drv->dev,
1735 "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1736 i, new_start, reg_start, 101 - count);
1739 } else if (dev_drv->win[i]->state == 0) {
1740 if (dev_drv->ops->get_win_state) {
1742 dev_drv->ops->get_win_state(dev_drv, i);
1744 wait_for_vsync = true;
1747 pr_err("!!!win[%d]state:%d,error!!!\n",
1748 i, dev_drv->win[i]->state);
1751 } while (wait_for_vsync && count--);
1753 sw_sync_timeline_inc(dev_drv->timeline, 1);
1755 if (dev_drv->front_regs) {
1756 #if defined(CONFIG_ROCKCHIP_IOMMU)
1757 if (dev_drv->iommu_enabled) {
1758 if (dev_drv->ops->mmu_en)
1759 dev_drv->ops->mmu_en(dev_drv);
1761 g_last_timeout = timeout;
1765 mutex_lock(&dev_drv->front_lock);
1767 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1768 win_data = &dev_drv->front_regs->reg_win_data[i];
1769 rk_fb_free_dma_buf(dev_drv, win_data);
1771 kfree(dev_drv->front_regs);
1773 mutex_unlock(&dev_drv->front_lock);
1775 #if defined(CONFIG_ROCKCHIP_IOMMU)
1776 if (dev_drv->iommu_enabled)
1777 freed_addr[freed_index] = 0xfefefefe;
1781 mutex_lock(&dev_drv->front_lock);
1783 dev_drv->front_regs = regs;
1785 mutex_unlock(&dev_drv->front_lock);
1787 trace_buffer_dump(&fb_pdev->dev, dev_drv);
1790 static void rk_fb_update_regs_handler(struct kthread_work *work)
1792 struct rk_lcdc_driver *dev_drv =
1793 container_of(work, struct rk_lcdc_driver, update_regs_work);
1794 struct rk_fb_reg_data *data, *next;
1796 mutex_lock(&dev_drv->update_regs_list_lock);
1797 dev_drv->saved_list = dev_drv->update_regs_list;
1798 list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1799 mutex_unlock(&dev_drv->update_regs_list_lock);
1801 list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1802 rk_fb_update_reg(dev_drv, data);
1803 list_del(&data->list);
1806 if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1807 wake_up(&dev_drv->update_regs_wait);
1810 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1811 struct rk_screen *screen)
1813 if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1814 (area_par->xact <= 0) || (area_par->yact <= 0) ||
1815 (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1816 pr_err("check config var fail 0:\n"
1817 "x_offset=%d,xact=%d,xvir=%d\n",
1818 area_par->x_offset, area_par->xact, area_par->xvir);
1822 if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1823 (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1824 (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1825 pr_warn("check config var fail 1:\n"
1826 "xpos=%d,xsize=%d,xres=%d\n"
1827 "ypos=%d,ysize=%d,yres=%d\n",
1828 area_par->xpos, area_par->xsize, screen->mode.xres,
1829 area_par->ypos, area_par->ysize, screen->mode.yres);
1835 static int rk_fb_set_win_buffer(struct fb_info *info,
1836 struct rk_fb_win_par *win_par,
1837 struct rk_fb_reg_win_data *reg_win_data)
1839 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1840 struct fb_fix_screeninfo *fix = &info->fix;
1841 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1842 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1843 /*if hdmi size move to hwc,screen should point to cur_screen
1844 otherwise point to screen0[main screen]*/
1845 struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
1846 struct fb_info *fbi;
1847 int i, ion_fd, acq_fence_fd;
1849 u32 xoffset, yoffset;
1851 struct ion_handle *hdl;
1857 u32 stride, uv_stride;
1860 u16 uv_x_off, uv_y_off, uv_y_act;
1862 u8 ppixel_a = 0, global_a = 0;
1863 ion_phys_addr_t phy_addr;
1867 reg_win_data->reg_area_data[0].smem_start = -1;
1868 reg_win_data->area_num = 0;
1869 fbi = rk_fb->fb[reg_win_data->win_id];
1870 if (win_par->area_par[0].phy_addr == 0) {
1871 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1872 ion_fd = win_par->area_par[i].ion_fd;
1875 ion_import_dma_buf(rk_fb->ion_client,
1878 pr_info("%s: Could not import handle:"
1879 " %ld\n", __func__, (long)hdl);
1880 /*return -EINVAL; */
1883 reg_win_data->area_num++;
1884 reg_win_data->reg_area_data[i].ion_handle = hdl;
1885 #ifndef CONFIG_ROCKCHIP_IOMMU
1886 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
1889 if (dev_drv->iommu_enabled)
1890 ret = ion_map_iommu(dev_drv->dev,
1893 (unsigned long *)&phy_addr,
1894 (unsigned long *)&len);
1896 ret = ion_phys(rk_fb->ion_client, hdl,
1900 dev_err(fbi->dev, "ion map to get phy addr failed\n");
1901 ion_free(rk_fb->ion_client, hdl);
1904 reg_win_data->reg_area_data[i].smem_start = phy_addr;
1905 reg_win_data->area_buf_num++;
1906 reg_win_data->reg_area_data[i].index_buf = 1;
1907 reg_win_data->reg_area_data[i].buff_len = len;
1911 reg_win_data->reg_area_data[0].smem_start =
1912 win_par->area_par[0].phy_addr;
1913 reg_win_data->area_num = 1;
1914 reg_win_data->area_buf_num++;
1915 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
1918 if (reg_win_data->area_num == 0)
1921 for (i = 0; i < reg_win_data->area_num; i++) {
1922 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
1923 index_buf = reg_win_data->reg_area_data[i].index_buf;
1924 if ((acq_fence_fd > 0) && (index_buf == 1)) {
1925 reg_win_data->reg_area_data[i].acq_fence =
1926 sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
1929 if (reg_win_data->reg_area_data[0].smem_start > 0) {
1930 reg_win_data->z_order = win_par->z_order;
1931 reg_win_data->win_id = win_par->win_id;
1933 reg_win_data->z_order = -1;
1934 reg_win_data->win_id = -1;
1937 reg_win_data->mirror_en = win_par->mirror_en;
1938 for (i = 0; i < reg_win_data->area_num; i++) {
1939 rk_fb_check_config_var(&win_par->area_par[i], screen);
1941 fb_data_fmt = rk_fb_data_fmt(win_par->area_par[i].data_format, 0);
1942 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
1943 if (fb_data_fmt >= FBDC_RGB_565) {
1944 reg_win_data->reg_area_data[i].fbdc_en = 1;
1945 reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
1947 reg_win_data->reg_area_data[i].fbdc_en = 0;
1948 reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
1950 pixel_width = rk_fb_pixel_width(fb_data_fmt);
1952 ppixel_a |= ((fb_data_fmt == ARGB888) ||
1953 (fb_data_fmt == FBDC_ARGB_888) ||
1954 (fb_data_fmt == FBDC_ABGR_888) ||
1955 (fb_data_fmt == ABGR888)) ? 1 : 0;
1956 /* visiable pos in panel */
1957 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
1958 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
1960 /* realy size in panel */
1961 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
1962 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
1964 /* realy size in panel */
1965 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
1966 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
1968 xoffset = win_par->area_par[i].x_offset; /* buf offset */
1969 yoffset = win_par->area_par[i].y_offset;
1970 reg_win_data->reg_area_data[i].xoff = xoffset;
1971 reg_win_data->reg_area_data[i].yoff = yoffset;
1973 xvir = win_par->area_par[i].xvir;
1974 reg_win_data->reg_area_data[i].xvir = xvir;
1975 yvir = win_par->area_par[i].yvir;
1976 reg_win_data->reg_area_data[i].yvir = yvir;
1978 vir_width_bit = pixel_width * xvir;
1979 /* pixel_width = byte_num*8 */
1980 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
1981 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
1983 stride = stride_32bit_1; /* default rgb */
1984 fix->line_length = stride;
1985 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
1987 /* x y mirror ,jump line
1988 * reg_win_data->reg_area_data[i].y_offset =
1989 * yoffset*stride+xoffset*pixel_width/8;
1991 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
1992 if (screen->interlace == 1) {
1993 reg_win_data->reg_area_data[i].y_offset =
1994 yoffset * stride * 2 +
1995 ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
1996 xoffset * pixel_width / 8;
1998 reg_win_data->reg_area_data[i].y_offset =
2000 (reg_win_data->reg_area_data[i].yact - 1) * stride +
2001 xoffset * pixel_width / 8;
2004 if (screen->interlace == 1) {
2005 reg_win_data->reg_area_data[i].y_offset =
2006 yoffset * stride * 2 +
2007 xoffset * pixel_width / 8;
2009 reg_win_data->reg_area_data[i].y_offset =
2011 xoffset * pixel_width / 8;
2014 if ((fb_data_fmt != YUV420) &&
2015 (fb_data_fmt != YUV420_NV21) &&
2016 (fb_data_fmt != YUV422) &&
2017 (fb_data_fmt != YUV444) &&
2018 dev_drv->iommu_enabled) {
2019 buff_len = reg_win_data->reg_area_data[i].y_offset +
2020 reg_win_data->reg_area_data[i].xvir *
2021 reg_win_data->reg_area_data[i].yact *
2023 reg_win_data->reg_area_data[i].xoff*
2025 if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2026 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2028 "=buff_len[0x%x]>>mmu len=0x%x\n",
2030 reg_win_data->reg_area_data[i].xvir,
2031 reg_win_data->reg_area_data[i].yact,
2032 pixel_width, buff_len,
2033 reg_win_data->reg_area_data[i].buff_len);
2037 global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2038 reg_win_data->alpha_en = ppixel_a | global_a;
2039 reg_win_data->g_alpha_val = win_par->g_alpha_val;
2040 reg_win_data->alpha_mode = win_par->alpha_mode;
2042 switch (fb_data_fmt) {
2046 stride = stride_32bit_1;
2047 uv_stride = stride_32bit_1 >> 1;
2048 uv_x_off = xoffset >> 1;
2050 fix->line_length = stride;
2051 uv_y_act = win_par->area_par[0].yact >> 1;
2053 case YUV420: /* nv12 */
2054 case YUV420_NV21: /* nv21 */
2057 stride = stride_32bit_1;
2058 uv_stride = stride_32bit_1;
2060 uv_y_off = yoffset >> 1;
2061 fix->line_length = stride;
2062 uv_y_act = win_par->area_par[0].yact >> 1;
2067 stride = stride_32bit_1;
2068 uv_stride = stride_32bit_2;
2069 uv_x_off = xoffset * 2;
2071 fix->line_length = stride << 2;
2072 uv_y_act = win_par->area_par[0].yact;
2077 if (is_pic_yuv == 1) {
2078 reg_win_data->reg_area_data[0].cbr_start =
2079 reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2080 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2081 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2082 if (screen->interlace == 1) {
2083 reg_win_data->reg_area_data[0].c_offset =
2084 uv_y_off * uv_stride * 2 +
2085 ((uv_y_act - 1) * 2 + 1) * uv_stride +
2086 uv_x_off * pixel_width / 8;
2088 reg_win_data->reg_area_data[0].c_offset =
2089 uv_y_off * uv_stride +
2090 (uv_y_act - 1) * uv_stride +
2091 uv_x_off * pixel_width / 8;
2094 if (screen->interlace == 1) {
2095 reg_win_data->reg_area_data[0].c_offset =
2096 uv_y_off * uv_stride * 2 +
2097 uv_x_off * pixel_width / 8;
2099 reg_win_data->reg_area_data[0].c_offset =
2100 uv_y_off * uv_stride +
2101 uv_x_off * pixel_width / 8;
2104 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2105 reg_win_data->reg_area_data[0].c_offset +
2106 reg_win_data->reg_area_data[0].xvir *
2107 reg_win_data->reg_area_data[0].yact *
2109 reg_win_data->reg_area_data[0].smem_start -
2110 reg_win_data->reg_area_data[0].xoff*
2112 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2113 dev_drv->iommu_enabled)
2114 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2116 "=buff_len[0x%x]>>mmu len=0x%x\n",
2118 reg_win_data->reg_area_data[0].xvir,
2119 reg_win_data->reg_area_data[0].yact,
2120 pixel_width, buff_len,
2121 reg_win_data->reg_area_data[0].buff_len);
2124 /* record buffer information for rk_fb_disp_scale to prevent fence timeout
2125 * because rk_fb_disp_scale will call function info->fbops->fb_set_par(info);
2127 info->var.yoffset = yoffset;
2128 info->var.xoffset = xoffset;
2132 static int rk_fb_set_win_config(struct fb_info *info,
2133 struct rk_fb_win_cfg_data *win_data)
2135 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2136 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2137 struct rk_fb_reg_data *regs;
2139 struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2140 struct sync_fence *retire_fence;
2141 struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2142 struct sync_pt *retire_sync_pt;
2143 char fence_name[20];
2145 int ret = 0, i, j = 0;
2146 int list_is_empty = 0;
2148 if (dev_drv->suspend_flag) {
2149 dev_drv->timeline_max++;
2150 sw_sync_timeline_inc(dev_drv->timeline, 1);
2154 regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2156 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2162 regs->post_cfg.xpos = win_data->post_cfg.xpos;
2163 regs->post_cfg.ypos = win_data->post_cfg.ypos;
2164 regs->post_cfg.xsize = win_data->post_cfg.xsize;
2165 regs->post_cfg.ysize = win_data->post_cfg.xsize;
2168 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2169 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2170 if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2171 ®s->reg_win_data[j]))
2173 if (regs->reg_win_data[j].area_num > 0) {
2176 regs->reg_win_data[j].area_buf_num;
2180 printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2181 printk(KERN_INFO "i=%d,win_id=%d\n", i,
2182 win_data->win_par[i].win_id);
2186 mutex_lock(&dev_drv->output_lock);
2188 dev_drv->timeline_max++;
2190 for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2191 if (i < regs->buf_num) {
2192 sprintf(fence_name, "fence%d", i);
2193 win_data->rel_fence_fd[i] = get_unused_fd();
2194 if (win_data->rel_fence_fd[i] < 0) {
2195 printk(KERN_INFO "rel_fence_fd=%d\n",
2196 win_data->rel_fence_fd[i]);
2200 release_sync_pt[i] =
2201 sw_sync_pt_create(dev_drv->timeline,
2202 dev_drv->timeline_max);
2204 sync_fence_create(fence_name, release_sync_pt[i]);
2205 sync_fence_install(release_fence[i],
2206 win_data->rel_fence_fd[i]);
2208 win_data->rel_fence_fd[i] = -1;
2212 win_data->ret_fence_fd = get_unused_fd();
2213 if (win_data->ret_fence_fd < 0) {
2214 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2215 win_data->ret_fence_fd = -1;
2220 sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2221 retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2222 sync_fence_install(retire_fence, win_data->ret_fence_fd);
2224 for (i = 0; i < RK_MAX_BUF_NUM; i++)
2225 win_data->rel_fence_fd[i] = -1;
2227 win_data->ret_fence_fd = -1;
2229 if (dev_drv->wait_fs == 0) {
2230 mutex_lock(&dev_drv->update_regs_list_lock);
2231 list_add_tail(®s->list, &dev_drv->update_regs_list);
2232 mutex_unlock(&dev_drv->update_regs_list_lock);
2233 queue_kthread_work(&dev_drv->update_regs_worker,
2234 &dev_drv->update_regs_work);
2236 mutex_lock(&dev_drv->update_regs_list_lock);
2237 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2238 list_empty(&dev_drv->saved_list);
2239 mutex_unlock(&dev_drv->update_regs_list_lock);
2240 if (!list_is_empty) {
2241 ret = wait_event_timeout(dev_drv->update_regs_wait,
2242 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2243 msecs_to_jiffies(60));
2245 rk_fb_update_reg(dev_drv, regs);
2247 printk("%s: wait update_regs_wait timeout\n", __func__);
2248 } else if (ret == 0) {
2249 rk_fb_update_reg(dev_drv, regs);
2254 mutex_unlock(&dev_drv->output_lock);
2259 static int cfgdone_distlist[10] = { 0 };
2261 static int cfgdone_index;
2262 static int cfgdone_lasttime;
2264 int rk_get_real_fps(int before)
2266 struct timespec now;
2272 int index = cfgdone_index;
2281 getnstimeofday(&now);
2282 dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2288 for (i = 0; i < 10; i++) {
2291 total += cfgdone_distlist[index];
2293 dist_first = cfgdone_distlist[index];
2294 if (total < (before * 1000)) {
2296 printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2298 dist_total += cfgdone_distlist[index];
2306 printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2308 dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2309 dist_total += dist_curr;
2313 fps = (1000000 * dist_count) / dist_total;
2318 printk("curr2 %d, fps=%d\n", dist_curr, fps);
2322 EXPORT_SYMBOL(rk_get_real_fps);
2325 #ifdef CONFIG_ROCKCHIP_IOMMU
2327 static struct ion_handle *ion_hanle[ION_MAX];
2328 static struct ion_handle *ion_hwc[1];
2330 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2333 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2334 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2335 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2336 struct fb_fix_screeninfo *fix = &info->fix;
2337 struct rk_lcdc_win *win;
2338 int enable; /* enable fb:1 enable;0 disable */
2339 int ovl; /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2340 int num_buf; /* buffer_number */
2342 struct rk_fb_win_cfg_data win_data;
2343 unsigned int dsp_addr[4];
2346 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2348 void __user *argp = (void __user *)arg;
2349 win = dev_drv->win[win_id];
2352 case RK_FBIOSET_HWC_ADDR:
2355 if (copy_from_user(hwc_phy, argp, 4))
2357 #ifdef CONFIG_ROCKCHIP_IOMMU
2358 if (!dev_drv->iommu_enabled) {
2360 fix->smem_start = hwc_phy[0];
2361 #ifdef CONFIG_ROCKCHIP_IOMMU
2364 struct ion_handle *hdl;
2365 ion_phys_addr_t phy_addr;
2368 usr_fd = hwc_phy[0];
2370 fix->smem_start = 0;
2371 fix->mmio_start = 0;
2372 dev_drv->ops->open(dev_drv, win_id, 0);
2376 if (ion_hwc[0] != 0) {
2377 ion_free(rk_fb->ion_client, ion_hwc[0]);
2381 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2383 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2388 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2389 (unsigned long *)&phy_addr,
2390 (unsigned long *)&len);
2392 dev_err(info->dev, "ion map to get hwc phy addr failed");
2393 ion_free(rk_fb->ion_client, hdl);
2396 fix->smem_start = phy_addr;
2402 case RK_FBIOSET_YUV_ADDR:
2406 if (copy_from_user(yuv_phy, argp, 8))
2408 #ifdef CONFIG_ROCKCHIP_IOMMU
2409 if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2411 fix->smem_start = yuv_phy[0];
2412 fix->mmio_start = yuv_phy[1];
2413 #ifdef CONFIG_ROCKCHIP_IOMMU
2415 int usr_fd, offset, tmp;
2416 struct ion_handle *hdl;
2417 ion_phys_addr_t phy_addr;
2420 usr_fd = yuv_phy[0];
2421 offset = yuv_phy[1] - yuv_phy[0];
2423 fix->smem_start = 0;
2424 fix->mmio_start = 0;
2428 if (ion_hanle[ION_MAX - 1] != 0) {
2429 /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2430 /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2431 ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2432 ion_hanle[ION_MAX - 1] = 0;
2435 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2437 dev_err(info->dev, "failed to get ion handle:%ld\n",
2442 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2443 (unsigned long *)&phy_addr,
2444 (unsigned long *)&len);
2446 dev_err(info->dev, "ion map to get phy addr failed");
2447 ion_free(rk_fb->ion_client, hdl);
2450 fix->smem_start = phy_addr;
2451 fix->mmio_start = phy_addr + offset;
2452 fix->smem_len = len;
2453 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2456 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2457 ion_hanle[tmp] = ion_hanle[tmp - 1];
2463 case RK_FBIOSET_ENABLE:
2464 if (copy_from_user(&enable, argp, sizeof(enable)))
2470 dev_drv->ops->open(dev_drv, win_id, enable);
2472 case RK_FBIOGET_ENABLE:
2473 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
2474 if (copy_to_user(argp, &enable, sizeof(enable)))
2477 case RK_FBIOSET_OVERLAY_STA:
2478 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2480 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2482 case RK_FBIOGET_OVERLAY_STA:
2483 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2484 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2487 case RK_FBIOPUT_NUM_BUFFERS:
2488 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2490 dev_drv->num_buf = num_buf;
2492 case RK_FBIOSET_VSYNC_ENABLE:
2493 if (copy_from_user(&enable, argp, sizeof(enable)))
2495 dev_drv->vsync_info.active = enable;
2498 case RK_FBIOGET_DSP_ADDR:
2499 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2500 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2503 case RK_FBIOGET_LIST_STA:
2504 list_stat = rk_fb_get_list_stat(dev_drv);
2505 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2509 case RK_FBIOGET_IOMMU_STA:
2510 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2511 sizeof(dev_drv->iommu_enabled)))
2514 #if defined(CONFIG_ION_ROCKCHIP)
2515 case RK_FBIOSET_DMABUF_FD:
2518 struct ion_handle *hdl;
2519 ion_phys_addr_t phy_addr;
2521 if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2523 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2524 ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2525 fix->smem_start = phy_addr;
2528 case RK_FBIOGET_DMABUF_FD:
2532 if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2534 "get dma_buf fd failed,ion handle is err\n");
2535 return PTR_ERR(fb_par->ion_hdl);
2537 fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2541 "ion_share_dma_buf_fd failed\n");
2544 if (copy_to_user(argp, &fd, sizeof(fd)))
2549 case RK_FBIOSET_CLEAR_FB:
2550 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2552 case RK_FBIOSET_CONFIG_DONE:
2555 struct timespec now;
2557 getnstimeofday(&now);
2558 curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2559 cfgdone_distlist[cfgdone_index++] =
2560 curr - cfgdone_lasttime;
2562 printk("%d ", curr - cfgdone_lasttime);
2564 cfgdone_lasttime = curr;
2565 if (cfgdone_index >= 10)
2568 if (copy_from_user(&win_data,
2569 (struct rk_fb_win_cfg_data __user *)argp,
2570 sizeof(win_data))) {
2575 dev_drv->wait_fs = win_data.wait_fs;
2576 rk_fb_set_win_config(info, &win_data);
2578 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2579 &win_data, sizeof(win_data))) {
2583 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2586 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2593 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2595 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2596 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2597 struct fb_fix_screeninfo *fix = &info->fix;
2599 #if defined(CONFIG_RK_HDMI)
2600 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2603 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2606 #if defined(CONFIG_RK_HDMI)
2607 if ((rk_fb->disp_mode == ONE_DUAL) &&
2608 (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2609 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2613 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2618 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2620 if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2621 (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2622 ((16 != var->bits_per_pixel) &&
2623 (32 != var->bits_per_pixel) &&
2624 (24 != var->bits_per_pixel))) {
2625 dev_err(info->dev, "%s check var fail 1:\n"
2626 "xres_vir:%d>>yres_vir:%d\n"
2627 "xres:%d>>yres:%d\n"
2628 "bits_per_pixel:%d\n",
2632 var->xres, var->yres, var->bits_per_pixel);
2636 if (((var->xoffset + var->xres) > var->xres_virtual) ||
2637 ((var->yoffset + var->yres) > (var->yres_virtual))) {
2638 dev_err(info->dev, "%s check_var fail 2:\n"
2639 "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2640 "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2645 var->yoffset, var->yres, var->yres_virtual);
2652 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2653 size_t count, loff_t *ppos)
2655 unsigned long p = *ppos;
2658 int c, cnt = 0, err = 0;
2659 unsigned long total_size;
2660 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2661 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2662 struct rk_lcdc_win *win = NULL;
2665 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2669 win = dev_drv->win[win_id];
2671 /* only read the current frame buffer */
2672 if (win->area[0].format == RGB565) {
2673 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2674 } else if ((win->area[0].format == YUV420) ||
2675 (win->area[0].format == YUV420_NV21)) {
2677 (win->area[0].y_vir_stride * win->area[0].yact * 6);
2679 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2681 if (p >= total_size)
2684 if (count >= total_size)
2687 if (count + p > total_size)
2688 count = total_size - p;
2690 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2694 src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2697 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2699 fb_memcpy_fromfb(dst, src, c);
2703 if (copy_to_user(buf, buffer, c)) {
2715 return (err) ? err : cnt;
2718 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2719 size_t count, loff_t *ppos)
2721 unsigned long p = *ppos;
2724 int c, cnt = 0, err = 0;
2725 unsigned long total_size;
2726 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2727 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2728 struct rk_lcdc_win *win = NULL;
2731 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2735 win = dev_drv->win[win_id];
2737 /* write the current frame buffer */
2738 if (win->area[0].format == RGB565)
2739 total_size = win->area[0].xact * win->area[0].yact << 1;
2741 total_size = win->area[0].xact * win->area[0].yact << 2;
2746 if (count > total_size) {
2751 if (count + p > total_size) {
2755 count = total_size - p;
2758 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2762 dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2765 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2768 if (copy_from_user(src, buf, c)) {
2773 fb_memcpy_tofb(dst, src, c);
2784 return (cnt) ? cnt : err;
2787 static int rk_fb_set_par(struct fb_info *info)
2789 struct fb_var_screeninfo *var = &info->var;
2790 struct fb_fix_screeninfo *fix = &info->fix;
2791 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2792 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2793 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2794 struct rk_lcdc_win *win = NULL;
2795 struct rk_screen *screen = dev_drv->cur_screen;
2797 u32 cblen = 0, crlen = 0;
2798 u16 xsize = 0, ysize = 0; /* winx display window height/width --->LCDC_WINx_DSP_INFO */
2799 u32 xoffset = var->xoffset; /* offset from virtual to visible */
2800 u32 yoffset = var->yoffset;
2801 u16 xpos = (var->nonstd >> 8) & 0xfff; /*visiable pos in panel */
2802 u16 ypos = (var->nonstd >> 20) & 0xfff;
2803 u32 xvir = var->xres_virtual;
2804 u32 yvir = var->yres_virtual;
2805 u8 data_format = var->nonstd & 0xff;
2809 u32 stride, uv_stride;
2812 u16 uv_x_off, uv_y_off, uv_y_act;
2814 /*var->pixclock = dev_drv->pixclock;*/
2815 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2819 win = dev_drv->win[win_id];
2821 /* if the application has specific the horizontal and vertical display size */
2822 if (var->grayscale >> 8) {
2823 xsize = (var->grayscale >> 8) & 0xfff;
2824 ysize = (var->grayscale >> 20) & 0xfff;
2825 if (xsize > screen->mode.xres)
2826 xsize = screen->mode.xres;
2827 if (ysize > screen->mode.yres)
2828 ysize = screen->mode.yres;
2829 } else { /*ohterwise full screen display */
2830 xsize = screen->mode.xres;
2831 ysize = screen->mode.yres;
2834 fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
2835 if (fb_data_fmt >= FBDC_RGB_565) {
2836 win->area[0].fbdc_en = 1;
2837 win->area[0].fbdc_cor_en = 1;
2839 win->area[0].fbdc_en = 0;
2840 win->area[0].fbdc_cor_en = 0;
2842 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2843 vir_width_bit = pixel_width * xvir;
2844 /* pixel_width = byte_num * 8 */
2845 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
2846 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
2848 switch (fb_data_fmt) {
2852 stride = stride_32bit_1;
2853 uv_stride = stride_32bit_1 >> 1;
2854 uv_x_off = xoffset >> 1;
2856 fix->line_length = stride;
2857 cblen = crlen = (xvir * yvir) >> 1;
2858 uv_y_act = win->area[0].yact >> 1;
2860 case YUV420: /* nv12 */
2861 case YUV420_NV21: /* nv21 */
2864 stride = stride_32bit_1;
2865 uv_stride = stride_32bit_1;
2867 uv_y_off = yoffset >> 1;
2868 fix->line_length = stride;
2869 cblen = crlen = (xvir * yvir) >> 2;
2870 uv_y_act = win->area[0].yact >> 1;
2875 stride = stride_32bit_1;
2876 uv_stride = stride_32bit_2;
2877 uv_x_off = xoffset * 2;
2879 fix->line_length = stride << 2;
2880 cblen = crlen = (xvir * yvir);
2881 uv_y_act = win->area[0].yact;
2884 stride = stride_32bit_1; /* default rgb */
2885 fix->line_length = stride;
2889 win->area[0].format = fb_data_fmt;
2890 win->area[0].y_vir_stride = stride >> 2;
2891 win->area[0].uv_vir_stride = uv_stride >> 2;
2892 win->area[0].xpos = xpos;
2893 win->area[0].ypos = ypos;
2894 win->area[0].xsize = xsize;
2895 win->area[0].ysize = ysize;
2896 win->area[0].xact = var->xres; /* winx active window height,is a wint of vir */
2897 win->area[0].yact = var->yres;
2898 win->area[0].xvir = var->xres_virtual; /* virtual resolution stride --->LCDC_WINx_VIR */
2899 win->area[0].yvir = var->yres_virtual;
2900 win->area[0].xoff = xoffset;
2901 win->area[0].yoff = yoffset;
2904 win->alpha_mode = 4; /* AB_SRC_OVER; */
2905 win->alpha_en = ((win->area[0].format == ARGB888) ||
2906 (win->area[0].format == FBDC_ARGB_888) ||
2907 (win->area[0].format == FBDC_ABGR_888) ||
2908 (win->area[0].format == ABGR888)) ? 1 : 0;
2909 win->g_alpha_val = 0;
2911 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
2912 (win->area[0].format == YUV420 ||
2913 win->area[0].format == YUV420_NV21 ||
2914 win->area[0].format == YUV420_A))
2917 dev_drv->ops->set_par(dev_drv, win_id);
2922 static inline unsigned int chan_to_field(unsigned int chan,
2923 struct fb_bitfield *bf)
2926 chan >>= 16 - bf->length;
2927 return chan << bf->offset;
2930 static int fb_setcolreg(unsigned regno,
2931 unsigned red, unsigned green, unsigned blue,
2932 unsigned transp, struct fb_info *info)
2936 switch (info->fix.visual) {
2937 case FB_VISUAL_TRUECOLOR:
2938 /* true-colour, use pseudo-palette */
2940 u32 *pal = info->pseudo_palette;
2941 val = chan_to_field(red, &info->var.red);
2942 val |= chan_to_field(green, &info->var.green);
2943 val |= chan_to_field(blue, &info->var.blue);
2948 return -1; /* unknown type */
2954 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
2956 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2957 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2958 struct ion_handle *handle = fb_par->ion_hdl;
2959 struct dma_buf *dma_buf = NULL;
2961 if (IS_ERR_OR_NULL(handle)) {
2962 dev_err(info->dev, "failed to get ion handle:%ld\n",
2966 dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
2967 if (IS_ERR_OR_NULL(dma_buf)) {
2968 printk("get ion share dma buf failed\n");
2972 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
2974 return dma_buf_mmap(dma_buf, vma, 0);
2977 static struct fb_ops fb_ops = {
2978 .owner = THIS_MODULE,
2979 .fb_open = rk_fb_open,
2980 .fb_release = rk_fb_close,
2981 .fb_check_var = rk_fb_check_var,
2982 .fb_set_par = rk_fb_set_par,
2983 .fb_blank = rk_fb_blank,
2984 .fb_ioctl = rk_fb_ioctl,
2985 .fb_compat_ioctl = rk_fb_ioctl,
2986 .fb_pan_display = rk_fb_pan_display,
2987 .fb_read = rk_fb_read,
2988 .fb_write = rk_fb_write,
2989 .fb_setcolreg = fb_setcolreg,
2990 .fb_fillrect = cfb_fillrect,
2991 .fb_copyarea = cfb_copyarea,
2992 .fb_imageblit = cfb_imageblit,
2995 static struct fb_var_screeninfo def_var = {
2996 #if defined(CONFIG_LOGO_LINUX_BMP)
3000 .transp = {0, 0, 0},
3001 .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3006 .transp = {0, 0, 0},
3007 .nonstd = HAL_PIXEL_FORMAT_RGB_565, /* (ypos<<20+xpos<<8+format) format */
3009 .grayscale = 0, /* (ysize<<20+xsize<<8) */
3010 .activate = FB_ACTIVATE_NOW,
3012 .vmode = FB_VMODE_NONINTERLACED,
3015 static struct fb_fix_screeninfo def_fix = {
3016 .type = FB_TYPE_PACKED_PIXELS,
3021 .accel = FB_ACCEL_NONE,
3022 .visual = FB_VISUAL_TRUECOLOR,
3026 static int rk_fb_wait_for_vsync_thread(void *data)
3028 struct rk_lcdc_driver *dev_drv = data;
3029 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3030 struct fb_info *fbi = rk_fb->fb[0];
3032 while (!kthread_should_stop()) {
3033 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3034 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3035 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3036 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3039 sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3045 static ssize_t rk_fb_vsync_show(struct device *dev,
3046 struct device_attribute *attr, char *buf)
3048 struct fb_info *fbi = dev_get_drvdata(dev);
3049 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3050 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3051 return scnprintf(buf, PAGE_SIZE, "%llu\n",
3052 ktime_to_ns(dev_drv->vsync_info.timestamp));
3055 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3058 * this two function is for other module that in the kernel which
3059 * need show image directly through fb
3060 * fb_id:we have 4 fb here,default we use fb0 for ui display
3062 struct fb_info *rk_get_fb(int fb_id)
3064 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3065 struct fb_info *fb = inf->fb[fb_id];
3068 EXPORT_SYMBOL(rk_get_fb);
3070 void rk_direct_fb_show(struct fb_info *fbi)
3073 rk_fb_pan_display(&fbi->var, fbi);
3075 EXPORT_SYMBOL(rk_direct_fb_show);
3077 int rk_fb_dpi_open(bool open)
3079 struct rk_lcdc_driver *dev_drv = NULL;
3080 dev_drv = rk_get_prmry_lcdc_drv();
3082 if (dev_drv->ops->dpi_open)
3083 dev_drv->ops->dpi_open(dev_drv, open);
3087 int rk_fb_dpi_win_sel(int win_id)
3089 struct rk_lcdc_driver *dev_drv = NULL;
3090 dev_drv = rk_get_prmry_lcdc_drv();
3092 if (dev_drv->ops->dpi_win_sel)
3093 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3097 int rk_fb_dpi_status(void)
3100 struct rk_lcdc_driver *dev_drv = NULL;
3102 dev_drv = rk_get_prmry_lcdc_drv();
3103 if (dev_drv->ops->dpi_status)
3104 ret = dev_drv->ops->dpi_status(dev_drv);
3110 * function: this function will be called by display device, enable/disable lcdc
3111 * @screen: screen timing to be set to lcdc
3112 * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3113 * @lcdc_id: the lcdc id the display device attached ,0 or 1
3115 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3117 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3118 struct fb_info *info = NULL;
3119 struct rk_fb_par *fb_par = NULL;
3120 struct rk_lcdc_driver *dev_drv = NULL;
3122 int i, win_id, load_screen = 0;
3124 if (unlikely(!rk_fb) || unlikely(!screen))
3127 hdmi_switch_complete = 0;
3128 /* get lcdc driver */
3129 sprintf(name, "lcdc%d", lcdc_id);
3130 if (rk_fb->disp_mode != DUAL)
3131 dev_drv = rk_fb->lcdc_dev_drv[0];
3133 dev_drv = rk_get_lcdc_drv(name);
3135 if (dev_drv == NULL) {
3136 printk(KERN_ERR "%s driver not found!", name);
3139 if (screen->type == SCREEN_HDMI)
3140 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3142 else if (screen->type == SCREEN_TVOUT ||
3143 screen->type == SCREEN_TVOUT_TEST )
3144 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3146 if (enable == 2 /*&& dev_drv->enable*/)
3149 if ((rk_fb->disp_mode == ONE_DUAL) ||
3150 (rk_fb->disp_mode == NO_DUAL)) {
3151 if ((dev_drv->ops->backlight_close) &&
3152 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3153 dev_drv->ops->backlight_close(dev_drv, 1);
3154 if (dev_drv->ops->dsp_black)
3155 dev_drv->ops->dsp_black(dev_drv, 1);
3156 if ((dev_drv->ops->set_screen_scaler) &&
3157 (rk_fb->disp_mode == ONE_DUAL))
3158 dev_drv->ops->set_screen_scaler(dev_drv,
3159 dev_drv->screen0, 0);
3161 if (dev_drv->uboot_logo && (screen->type != dev_drv->cur_screen->type))
3162 dev_drv->uboot_logo = 0;
3164 /* if screen type is different, we do not disable lcdc. */
3165 if (dev_drv->cur_screen->type != screen->type)
3168 /* if used one lcdc to dual disp, no need to close win */
3169 if ((rk_fb->disp_mode == ONE_DUAL) ||
3170 ((rk_fb->disp_mode == NO_DUAL) &&
3171 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))) {
3172 dev_drv->cur_screen = dev_drv->screen0;
3173 dev_drv->ops->load_screen(dev_drv, 1);
3175 /* force modify dsp size */
3176 info = rk_fb->fb[dev_drv->fb_index_base];
3177 info->var.grayscale &= 0xff;
3178 info->var.grayscale |=
3179 (dev_drv->cur_screen->mode.xres << 8) +
3180 (dev_drv->cur_screen->mode.yres << 20);
3181 mutex_lock(&dev_drv->win_config);
3182 info->fbops->fb_set_par(info);
3183 info->fbops->fb_pan_display(&info->var, info);
3184 mutex_unlock(&dev_drv->win_config);
3186 if (dev_drv->ops->dsp_black)
3187 dev_drv->ops->dsp_black(dev_drv, 0);
3188 if ((dev_drv->ops->backlight_close) &&
3189 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3190 dev_drv->ops->backlight_close(dev_drv, 0);
3191 } else if (rk_fb->num_lcdc > 1) {
3192 /* If there is more than one lcdc device, we disable
3193 the layer which attached to this device */
3194 dev_drv->suspend_flag = 1;
3195 flush_kthread_worker(&dev_drv->update_regs_worker);
3196 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3197 if (dev_drv->win[i] && dev_drv->win[i]->state)
3198 dev_drv->ops->open(dev_drv, i, 0);
3202 hdmi_switch_complete = 0;
3205 if (dev_drv->screen1)
3206 dev_drv->cur_screen = dev_drv->screen1;
3208 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3209 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3210 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3211 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3212 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3214 if ((!dev_drv->uboot_logo) ||
3215 (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3216 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3217 info = rk_fb->fb[dev_drv->fb_index_base + i];
3218 fb_par = (struct rk_fb_par *)info->par;
3219 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3220 if (dev_drv->win[win_id]) {
3221 if (fb_par->state) {
3222 if (!dev_drv->win[win_id]->state) {
3223 dev_drv->ops->open(dev_drv, win_id, 1);
3224 dev_drv->suspend_flag = 0;
3227 dev_drv->ops->load_screen(dev_drv, 1);
3230 info->var.activate |= FB_ACTIVATE_FORCE;
3231 if (rk_fb->disp_mode == ONE_DUAL) {
3232 info->var.grayscale &= 0xff;
3233 info->var.grayscale |=
3234 (dev_drv->cur_screen->xsize << 8) +
3235 (dev_drv->cur_screen->ysize << 20);
3238 mutex_lock(&dev_drv->win_config);
3239 info->fbops->fb_set_par(info);
3240 info->fbops->fb_pan_display(&info->var, info);
3241 mutex_unlock(&dev_drv->win_config);
3246 dev_drv->uboot_logo = 0;
3248 hdmi_switch_complete = 1;
3249 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3250 if ((dev_drv->ops->set_screen_scaler) &&
3251 (rk_fb->disp_mode == ONE_DUAL))
3252 dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3253 if (dev_drv->ops->dsp_black)
3254 dev_drv->ops->dsp_black(dev_drv, 0);
3255 if ((dev_drv->ops->backlight_close) &&
3256 (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3257 (rk_fb->disp_mode == ONE_DUAL))
3258 dev_drv->ops->backlight_close(dev_drv, 0);
3264 * function:this function current only called by hdmi for
3266 * scale_x: scale rate of x resolution
3267 * scale_y: scale rate of y resolution
3268 * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3270 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3272 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3273 struct fb_info *info = NULL;
3274 struct fb_info *pmy_info = NULL;
3275 struct fb_var_screeninfo *var = NULL;
3276 struct rk_lcdc_driver *dev_drv = NULL;
3277 u16 screen_x, screen_y;
3280 struct rk_screen primary_screen;
3281 rk_fb_get_prmry_screen(&primary_screen);
3282 if (primary_screen.type == SCREEN_HDMI) {
3286 sprintf(name, "lcdc%d", lcdc_id);
3288 if (inf->disp_mode == DUAL) {
3289 dev_drv = rk_get_lcdc_drv(name);
3290 if (dev_drv == NULL) {
3291 printk(KERN_ERR "%s driver not found!", name);
3295 dev_drv = inf->lcdc_dev_drv[0];
3298 if (inf->num_lcdc == 1) {
3300 } else if (inf->num_lcdc == 2) {
3301 info = inf->fb[dev_drv->lcdc_win_num];
3302 pmy_info = inf->fb[0];
3306 screen_x = dev_drv->cur_screen->mode.xres;
3307 screen_y = dev_drv->cur_screen->mode.yres;
3309 if (inf->disp_mode != DUAL && dev_drv->screen1) {
3310 dev_drv->cur_screen->xpos =
3311 (screen_x - screen_x * scale_x / 100) >> 1;
3312 dev_drv->cur_screen->ypos =
3313 (screen_y - screen_y * scale_y / 100) >> 1;
3314 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3315 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3317 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3318 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3319 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3320 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3321 if (inf->disp_mode == ONE_DUAL) {
3322 var->nonstd &= 0xff;
3323 var->nonstd |= (xpos << 8) + (ypos << 20);
3324 var->grayscale &= 0xff;
3326 (dev_drv->cur_screen->xsize << 8) +
3327 (dev_drv->cur_screen->ysize << 20);
3331 mutex_lock(&dev_drv->win_config);
3332 info->fbops->fb_set_par(info);
3333 dev_drv->ops->cfg_done(dev_drv);
3334 mutex_unlock(&dev_drv->win_config);
3339 #if defined(CONFIG_ION_ROCKCHIP)
3340 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3341 struct rk_lcdc_win *win,
3342 unsigned long fb_mem_size)
3344 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3345 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3346 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3347 struct ion_handle *handle;
3348 ion_phys_addr_t phy_addr;
3352 if (dev_drv->iommu_enabled)
3353 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3354 ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3356 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3357 ION_HEAP(ION_CMA_HEAP_ID), 0);
3358 if (IS_ERR(handle)) {
3359 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3364 fb_par->ion_hdl = handle;
3365 win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3366 if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3367 printk("ion_share_dma_buf() failed\n");
3368 goto err_share_dma_buf;
3370 win->area[0].ion_hdl = handle;
3371 if (dev_drv->prop == PRMRY)
3372 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3373 #ifdef CONFIG_ROCKCHIP_IOMMU
3374 if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3375 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3376 (unsigned long *)&phy_addr,
3377 (unsigned long *)&len);
3379 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3381 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3384 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3385 goto err_share_dma_buf;
3387 fbi->fix.smem_start = phy_addr;
3388 fbi->fix.smem_len = len;
3389 printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3393 ion_free(rk_fb->ion_client, handle);
3398 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3400 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3401 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3402 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3403 struct rk_lcdc_win *win = NULL;
3406 unsigned long fb_mem_size;
3407 #if !defined(CONFIG_ION_ROCKCHIP)
3408 dma_addr_t fb_mem_phys;
3412 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3416 win = dev_drv->win[win_id];
3418 if (!strcmp(fbi->fix.id, "fb0")) {
3419 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3420 #if defined(CONFIG_ION_ROCKCHIP)
3421 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3424 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3425 &fb_mem_phys, GFP_KERNEL);
3427 pr_err("%s: Failed to allocate framebuffer\n",
3431 fbi->fix.smem_len = fb_mem_size;
3432 fbi->fix.smem_start = fb_mem_phys;
3433 fbi->screen_base = fb_mem_virt;
3435 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3437 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3438 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3439 fbi->screen_base = rk_fb->fb[0]->screen_base;
3442 fbi->screen_size = fbi->fix.smem_len;
3443 fb_par->fb_phy_base = fbi->fix.smem_start;
3444 fb_par->fb_virt_base = fbi->screen_base;
3445 fb_par->fb_size = fbi->fix.smem_len;
3447 pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3448 fbi->fix.smem_start, fbi->screen_base,
3454 static int rk_release_fb_buffer(struct fb_info *fbi)
3456 /* buffer for fb1 and fb3 are alloc by android */
3457 if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3459 iounmap(fbi->screen_base);
3460 release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3465 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3466 struct rk_lcdc_win *def_win)
3469 int lcdc_win_num = dev_drv->lcdc_win_num;
3471 for (i = 0; i < lcdc_win_num; i++) {
3472 struct rk_lcdc_win *win = NULL;
3473 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3475 dev_err(dev_drv->dev, "kzmalloc for win fail!");
3479 strcpy(win->name, def_win[i].name);
3480 win->id = def_win[i].id;
3481 win->support_3d = def_win[i].support_3d;
3482 dev_drv->win[i] = win;
3488 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3489 struct rk_lcdc_win *def_win, int index)
3491 struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3492 struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3493 sizeof(struct rk_screen),
3497 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3502 screen->screen_id = 0;
3503 screen->lcdc_id = dev_drv->id;
3504 screen->overscan.left = 100;
3505 screen->overscan.top = 100;
3506 screen->overscan.right = 100;
3507 screen->overscan.bottom = 100;
3509 screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3510 screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3512 dev_drv->screen0 = screen;
3513 dev_drv->cur_screen = screen;
3514 /* devie use one lcdc + rk61x scaler for dual display */
3515 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3516 struct rk_screen *screen1 =
3517 devm_kzalloc(dev_drv->dev,
3518 sizeof(struct rk_screen),
3521 dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3525 screen1->screen_id = 1;
3526 screen1->lcdc_id = 1;
3527 dev_drv->screen1 = screen1;
3529 sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3530 init_lcdc_win(dev_drv, def_win);
3531 init_completion(&dev_drv->frame_done);
3532 spin_lock_init(&dev_drv->cpl_lock);
3533 mutex_init(&dev_drv->fb_win_id_mutex);
3534 mutex_init(&dev_drv->win_config);
3535 mutex_init(&dev_drv->front_lock);
3536 dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3537 dev_drv->first_frame = 1;
3538 dev_drv->overscan.left = 100;
3539 dev_drv->overscan.top = 100;
3540 dev_drv->overscan.right = 100;
3541 dev_drv->overscan.bottom = 100;
3542 rk_disp_pwr_ctr_parse_dt(dev_drv);
3543 if (dev_drv->prop == PRMRY) {
3544 rk_fb_set_prmry_screen(screen);
3545 rk_fb_get_prmry_screen(screen);
3547 dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3548 if (dev_drv->prop != PRMRY)
3549 rk_fb_get_prmry_screen(screen);
3550 dev_drv->output_color = screen->color_mode;
3555 #ifdef CONFIG_LOGO_LINUX_BMP
3556 static struct linux_logo *bmp_logo;
3557 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3559 bmp_logo = fb_find_logo(24);
3560 if (bmp_logo == NULL) {
3561 printk(KERN_INFO "%s error\n", __func__);
3567 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3569 unsigned char *src = bmp_logo->data;
3570 unsigned char *dst = info->screen_base;
3572 unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3573 unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3575 for (i = 0; i < Needheight; i++)
3576 memcpy(dst + info->var.xres * i * 4,
3577 src + bmp_logo->width * i * 4, Needwidth * 4);
3582 * check if the primary lcdc has registerd,
3583 * the primary lcdc mas register first
3585 bool is_prmry_rk_lcdc_registered(void)
3587 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3589 if (rk_fb->lcdc_dev_drv[0])
3595 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3596 struct rk_lcdc_win *win, int id)
3598 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3599 struct fb_info *fbi;
3600 struct rk_fb_par *fb_par = NULL;
3601 int i = 0, ret = 0, index = 0;
3603 if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3606 for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3607 if (!rk_fb->lcdc_dev_drv[i]) {
3608 rk_fb->lcdc_dev_drv[i] = dev_drv;
3609 rk_fb->lcdc_dev_drv[i]->id = id;
3616 init_lcdc_device_driver(rk_fb, win, index);
3617 dev_drv->fb_index_base = rk_fb->num_fb;
3618 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3619 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3621 dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3624 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
3627 dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
3631 fb_par->id = rk_fb->num_fb;
3632 fb_par->lcdc_drv = dev_drv;
3633 fbi->par = (void *)fb_par;
3636 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3637 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3638 fbi->var.grayscale |=
3639 (fbi->var.xres << 8) + (fbi->var.yres << 20);
3640 #if defined(CONFIG_LOGO_LINUX_BMP)
3641 fbi->var.bits_per_pixel = 32;
3643 fbi->var.bits_per_pixel = 16;
3645 fbi->fix.line_length =
3646 (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3647 fbi->var.width = dev_drv->cur_screen->width;
3648 fbi->var.height = dev_drv->cur_screen->height;
3649 if (dev_drv->iommu_enabled)
3650 fb_ops.fb_mmap = rk_fb_mmap;
3651 fbi->fbops = &fb_ops;
3652 fbi->flags = FBINFO_FLAG_DEFAULT;
3653 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3654 ret = register_framebuffer(fbi);
3656 dev_err(&fb_pdev->dev,
3657 "%s fb%d register_framebuffer fail!\n",
3658 __func__, rk_fb->num_fb);
3661 rkfb_create_sysfs(fbi);
3662 rk_fb->fb[rk_fb->num_fb] = fbi;
3663 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3668 init_waitqueue_head(&dev_drv->vsync_info.wait);
3669 init_waitqueue_head(&dev_drv->update_regs_wait);
3670 ret = device_create_file(fbi->dev, &dev_attr_vsync);
3673 "failed to create vsync file\n");
3674 dev_drv->vsync_info.thread =
3675 kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3677 if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3679 "failed to run vsync thread\n");
3680 dev_drv->vsync_info.thread = NULL;
3682 dev_drv->vsync_info.active = 1;
3684 mutex_init(&dev_drv->output_lock);
3686 INIT_LIST_HEAD(&dev_drv->update_regs_list);
3687 mutex_init(&dev_drv->update_regs_list_lock);
3688 init_kthread_worker(&dev_drv->update_regs_worker);
3690 dev_drv->update_regs_thread =
3691 kthread_run(kthread_worker_fn,
3692 &dev_drv->update_regs_worker, "rk-fb");
3693 if (IS_ERR(dev_drv->update_regs_thread)) {
3694 int err = PTR_ERR(dev_drv->update_regs_thread);
3695 dev_drv->update_regs_thread = NULL;
3697 printk("failed to run update_regs thread\n");
3700 init_kthread_work(&dev_drv->update_regs_work,
3701 rk_fb_update_regs_handler);
3704 sw_sync_timeline_create("fb-timeline");
3705 dev_drv->timeline_max = 1;
3709 /* show logo for primary display device */
3710 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
3711 if (dev_drv->prop == PRMRY) {
3715 struct fb_info *main_fbi = rk_fb->fb[0];
3716 main_fbi->fbops->fb_open(main_fbi, 1);
3717 main_fbi->var.pixclock = dev_drv->pixclock;
3718 #if defined(CONFIG_ROCKCHIP_IOMMU)
3719 if (dev_drv->iommu_enabled) {
3720 if (dev_drv->mmu_dev)
3721 rockchip_iovmm_set_fault_handler(dev_drv->dev,
3722 rk_fb_sysmmu_fault_handler);
3726 rk_fb_alloc_buffer(main_fbi); /* only alloc memory for main fb */
3727 dev_drv->uboot_logo = support_uboot_display();
3729 if (dev_drv->uboot_logo &&
3730 uboot_logo_offset && uboot_logo_base) {
3731 int width, height, bits;
3732 phys_addr_t start = uboot_logo_base + uboot_logo_offset;
3733 unsigned int size = uboot_logo_size - uboot_logo_offset;
3734 unsigned int nr_pages;
3735 struct page **pages;
3739 if (dev_drv->ops->get_dspbuf_info)
3740 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3741 &yact, &format, &dsp_addr);
3742 nr_pages = size >> PAGE_SHIFT;
3743 pages = kzalloc(sizeof(struct page) * nr_pages,
3745 while (i < nr_pages) {
3746 pages[i] = phys_to_page(start);
3750 vaddr = vmap(pages, nr_pages, VM_MAP,
3751 pgprot_writecombine(PAGE_KERNEL));
3753 pr_err("failed to vmap phy addr 0x%lx\n",
3754 (long)(uboot_logo_base +
3755 uboot_logo_offset));
3759 if(bmpdecoder(vaddr, main_fbi->screen_base, &width,
3767 if (dev_drv->uboot_logo &&
3768 (width != xact || height != yact)) {
3769 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
3770 xact, yact, width, height);
3774 if (dev_drv->ops->post_dspbuf) {
3775 dev_drv->ops->post_dspbuf(dev_drv,
3776 main_fbi->fix.smem_start,
3777 rk_fb_data_fmt(0, bits),
3778 width, height, width * bits >> 5);
3780 if (dev_drv->iommu_enabled) {
3781 rk_fb_poll_wait_frame_complete();
3782 if (dev_drv->ops->mmu_en)
3783 dev_drv->ops->mmu_en(dev_drv);
3788 } else if (dev_drv->uboot_logo && uboot_logo_base) {
3789 u32 start = uboot_logo_base;
3790 u32 start_base = start;
3792 unsigned int nr_pages;
3793 struct page **pages;
3796 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3799 logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
3800 if (logo_len > uboot_logo_size ||
3801 logo_len > main_fbi->fix.smem_len) {
3802 pr_err("logo size > uboot reserve buffer size\n");
3806 nr_pages = uboot_logo_size >> PAGE_SHIFT;
3807 pages = kzalloc(sizeof(struct page) * nr_pages,
3809 while (i < nr_pages) {
3810 pages[i] = phys_to_page(start);
3814 vaddr = vmap(pages, nr_pages, VM_MAP,
3815 pgprot_writecombine(PAGE_KERNEL));
3817 pr_err("failed to vmap phy addr 0x%x\n",
3822 memcpy(main_fbi->screen_base, vaddr, logo_len);
3827 dev_drv->ops->post_dspbuf(dev_drv,
3828 main_fbi->fix.smem_start,
3830 xact * rk_fb_pixel_width(format) >> 5);
3831 if (dev_drv->iommu_enabled) {
3832 rk_fb_poll_wait_frame_complete();
3833 if (dev_drv->ops->mmu_en)
3834 dev_drv->ops->mmu_en(dev_drv);
3839 if (dev_drv->iommu_enabled) {
3840 if (dev_drv->ops->mmu_en)
3841 dev_drv->ops->mmu_en(dev_drv);
3845 #if defined(CONFIG_LOGO)
3846 main_fbi->fbops->fb_set_par(main_fbi);
3847 #if defined(CONFIG_LOGO_LINUX_BMP)
3848 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
3849 fb_set_cmap(&main_fbi->cmap, main_fbi);
3850 fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
3853 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
3854 fb_set_cmap(&main_fbi->cmap, main_fbi);
3855 fb_show_logo(main_fbi, FB_ROTATE_UR);
3858 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
3861 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
3862 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
3863 rk_fb_alloc_buffer(extend_fbi);
3869 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
3871 struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
3872 struct fb_info *fbi;
3873 int fb_index_base = dev_drv->fb_index_base;
3874 int fb_num = dev_drv->lcdc_win_num;
3877 if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
3878 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
3879 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
3882 for (i = 0; i < fb_num; i++)
3883 kfree(dev_drv->win[i]);
3885 for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
3886 fbi = fb_inf->fb[i];
3887 unregister_framebuffer(fbi);
3888 /* rk_release_fb_buffer(fbi); */
3889 framebuffer_release(fbi);
3891 fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
3897 static int rk_fb_probe(struct platform_device *pdev)
3899 struct rk_fb *rk_fb = NULL;
3900 struct device_node *np = pdev->dev.of_node;
3904 dev_err(&pdev->dev, "Missing device tree node.\n");
3908 rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
3910 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
3913 platform_set_drvdata(pdev, rk_fb);
3915 if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
3916 rk_fb->disp_mode = mode;
3919 dev_err(&pdev->dev, "no disp-mode node found!");
3923 if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
3924 rk_fb->disp_policy = mode;
3925 pr_info("fb disp policy is %s\n", rk_fb->disp_policy ? "box":"sdk");
3928 if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
3929 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
3931 dev_set_name(&pdev->dev, "rockchip-fb");
3932 #if defined(CONFIG_ION_ROCKCHIP)
3933 rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
3934 if (IS_ERR(rk_fb->ion_client)) {
3935 dev_err(&pdev->dev, "failed to create ion client for rk fb");
3936 return PTR_ERR(rk_fb->ion_client);
3938 dev_info(&pdev->dev, "rk fb ion client create success!\n");
3943 dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
3947 static int rk_fb_remove(struct platform_device *pdev)
3949 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3952 platform_set_drvdata(pdev, NULL);
3956 static void rk_fb_shutdown(struct platform_device *pdev)
3958 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3961 for (i = 0; i < rk_fb->num_lcdc; i++) {
3962 if (!rk_fb->lcdc_dev_drv[i])
3967 static const struct of_device_id rkfb_dt_ids[] = {
3968 {.compatible = "rockchip,rk-fb",},
3972 static struct platform_driver rk_fb_driver = {
3973 .probe = rk_fb_probe,
3974 .remove = rk_fb_remove,
3977 .owner = THIS_MODULE,
3978 .of_match_table = of_match_ptr(rkfb_dt_ids),
3980 .shutdown = rk_fb_shutdown,
3983 static int __init rk_fb_init(void)
3985 return platform_driver_register(&rk_fb_driver);
3988 static void __exit rk_fb_exit(void)
3990 platform_driver_unregister(&rk_fb_driver);
3993 fs_initcall(rk_fb_init);
3994 module_exit(rk_fb_exit);