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>
53 #if defined(CONFIG_ION_ROCKCHIP)
54 #include <linux/rockchip_ion.h>
55 #include <linux/rockchip-iovmm.h>
56 #include <linux/dma-buf.h>
57 #include <linux/highmem.h>
61 /* #define FB_ROATE_BY_KERNEL 1 */
63 static int hdmi_switch_state;
64 static struct platform_device *fb_pdev;
66 #if defined(CONFIG_FB_MIRRORING)
67 int (*video_data_to_mirroring)(struct fb_info *info, u32 yuv_phy[2]);
68 EXPORT_SYMBOL(video_data_to_mirroring);
71 extern phys_addr_t uboot_logo_base;
72 extern phys_addr_t uboot_logo_size;
73 extern phys_addr_t uboot_logo_offset;
74 static struct rk_fb_trsm_ops *trsm_lvds_ops;
75 static struct rk_fb_trsm_ops *trsm_edp_ops;
76 static struct rk_fb_trsm_ops *trsm_mipi_ops;
77 static int uboot_logo_on;
79 static int rk_fb_debug_lvl;
80 static int rk_fb_iommu_debug;
81 module_param(rk_fb_debug_lvl, int, S_IRUGO | S_IWUSR);
82 module_param(rk_fb_iommu_debug, int, S_IRUGO | S_IWUSR);
84 #define rk_fb_dbg(level, x...) do { \
85 if (unlikely(rk_fb_debug_lvl >= level)) \
88 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
89 struct rk_fb_win_cfg_data *win_data,
90 struct rk_fb_reg_data *regs, u32 cmd);
91 int support_uboot_display(void)
96 int rk_fb_get_display_policy(void)
101 rk_fb = platform_get_drvdata(fb_pdev);
102 return rk_fb->disp_policy;
104 return DISPLAY_POLICY_SDK;
108 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
113 case SCREEN_DUAL_LVDS:
114 case SCREEN_LVDS_10BIT:
115 case SCREEN_DUAL_LVDS_10BIT:
122 case SCREEN_DUAL_MIPI:
126 pr_warn("%s: unsupported transmitter: %d!\n",
133 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
135 struct rk_fb_trsm_ops *ops;
140 case SCREEN_DUAL_LVDS:
141 case SCREEN_LVDS_10BIT:
142 case SCREEN_DUAL_LVDS_10BIT:
149 case SCREEN_DUAL_MIPI:
154 pr_warn("%s: unsupported transmitter: %d!\n",
161 int rk_fb_pixel_width(int data_format)
165 switch (data_format) {
196 pr_warn("%s: unsupported format: 0x%x\n",
197 __func__, data_format);
203 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
208 switch (data_format) {
209 case HAL_PIXEL_FORMAT_RGBX_8888:
210 fb_data_fmt = XBGR888;
212 case HAL_PIXEL_FORMAT_BGRX_8888:
213 fb_data_fmt = XRGB888;
215 case HAL_PIXEL_FORMAT_RGBA_8888:
216 fb_data_fmt = ABGR888;
218 case HAL_PIXEL_FORMAT_BGRA_8888:
219 fb_data_fmt = ARGB888;
221 case HAL_PIXEL_FORMAT_RGB_888:
222 fb_data_fmt = RGB888;
224 case HAL_PIXEL_FORMAT_BGR_888:
225 fb_data_fmt = BGR888;
227 case HAL_PIXEL_FORMAT_RGB_565:
228 fb_data_fmt = RGB565;
230 case HAL_PIXEL_FORMAT_BGR_565:
231 fb_data_fmt = BGR565;
233 case HAL_PIXEL_FORMAT_YCbCr_422_SP: /* yuv422 */
234 fb_data_fmt = YUV422;
236 case HAL_PIXEL_FORMAT_YCrCb_420_SP: /* YUV420---vuvuvu */
237 fb_data_fmt = YUV420_NV21;
239 case HAL_PIXEL_FORMAT_YCrCb_NV12: /* YUV420---uvuvuv */
240 fb_data_fmt = YUV420;
242 case HAL_PIXEL_FORMAT_YCrCb_444: /* yuv444 */
243 fb_data_fmt = YUV444;
245 case HAL_PIXEL_FORMAT_YCrCb_NV12_10: /* yuv444 */
246 fb_data_fmt = YUV420_A;
248 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10: /* yuv444 */
249 fb_data_fmt = YUV422_A;
251 case HAL_PIXEL_FORMAT_YCrCb_444_SP_10: /* yuv444 */
252 fb_data_fmt = YUV444_A;
254 case HAL_PIXEL_FORMAT_FBDC_RGB565: /* fbdc rgb565*/
255 fb_data_fmt = FBDC_RGB_565;
257 case HAL_PIXEL_FORMAT_FBDC_U8U8U8U8: /* fbdc argb888 */
258 fb_data_fmt = FBDC_ARGB_888;
260 case HAL_PIXEL_FORMAT_FBDC_RGBA888: /* fbdc abgr888 */
261 fb_data_fmt = FBDC_ABGR_888;
263 case HAL_PIXEL_FORMAT_FBDC_U8U8U8: /* fbdc rgb888 */
264 fb_data_fmt = FBDC_RGBX_888;
267 pr_warn("%s: unsupported format: 0x%x\n",
268 __func__, data_format);
272 switch (bits_per_pixel) {
274 fb_data_fmt = ARGB888;
277 fb_data_fmt = RGB888;
280 fb_data_fmt = RGB565;
283 pr_warn("%s: unsupported bits_per_pixel: %d\n",
284 __func__, bits_per_pixel);
292 * rk display power control parse from dts
294 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
296 struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
298 struct device_node *child;
299 struct rk_disp_pwr_ctr_list *pwr_ctr;
300 struct list_head *pos;
301 enum of_gpio_flags flags;
306 INIT_LIST_HEAD(&dev_drv->pwrlist_head);
308 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
313 for_each_child_of_node(root, child) {
314 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
316 strcpy(pwr_ctr->pwr_ctr.name, child->name);
317 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
319 pwr_ctr->pwr_ctr.type = GPIO;
320 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
321 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
322 dev_err(dev_drv->dev, "%s ivalid gpio\n",
326 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
327 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
330 dev_err(dev_drv->dev,
331 "request %s gpio fail:%d\n",
336 pwr_ctr->pwr_ctr.type = REGULATOR;
337 pwr_ctr->pwr_ctr.rgl_name = NULL;
338 ret = of_property_read_string(child, "rockchip,regulator_name",
339 &(pwr_ctr->pwr_ctr.rgl_name));
340 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
341 dev_err(dev_drv->dev, "get regulator name failed!\n");
342 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
343 pwr_ctr->pwr_ctr.volt = val;
345 pwr_ctr->pwr_ctr.volt = 0;
349 if (!of_property_read_u32(child, "rockchip,delay", &val))
350 pwr_ctr->pwr_ctr.delay = val;
352 pwr_ctr->pwr_ctr.delay = 0;
353 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
356 of_property_read_u32(root, "rockchip,debug", &debug);
359 list_for_each(pos, &dev_drv->pwrlist_head) {
360 pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
362 pr_info("pwr_ctr_name:%s\n"
367 pwr_ctr->pwr_ctr.name,
368 (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
369 pwr_ctr->pwr_ctr.gpio,
370 pwr_ctr->pwr_ctr.atv_val,
371 pwr_ctr->pwr_ctr.delay);
378 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
380 struct list_head *pos;
381 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
382 struct pwr_ctr *pwr_ctr;
383 struct regulator *regulator_lcd = NULL;
386 if (list_empty(&dev_drv->pwrlist_head))
388 list_for_each(pos, &dev_drv->pwrlist_head) {
389 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
391 pwr_ctr = &pwr_ctr_list->pwr_ctr;
392 if (pwr_ctr->type == GPIO) {
393 gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
394 mdelay(pwr_ctr->delay);
395 } else if (pwr_ctr->type == REGULATOR) {
396 if (pwr_ctr->rgl_name)
398 regulator_get(NULL, pwr_ctr->rgl_name);
399 if (regulator_lcd == NULL) {
400 dev_err(dev_drv->dev,
401 "%s: regulator get failed,regulator name:%s\n",
402 __func__, pwr_ctr->rgl_name);
405 regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
406 while (!regulator_is_enabled(regulator_lcd)) {
407 if (regulator_enable(regulator_lcd) == 0 || count == 0)
410 dev_err(dev_drv->dev,
411 "regulator_enable failed,count=%d\n",
415 regulator_put(regulator_lcd);
416 msleep(pwr_ctr->delay);
423 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
425 struct list_head *pos;
426 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
427 struct pwr_ctr *pwr_ctr;
428 struct regulator *regulator_lcd = NULL;
431 if (list_empty(&dev_drv->pwrlist_head))
433 list_for_each(pos, &dev_drv->pwrlist_head) {
434 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
436 pwr_ctr = &pwr_ctr_list->pwr_ctr;
437 if (pwr_ctr->type == GPIO) {
438 gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
439 } else if (pwr_ctr->type == REGULATOR) {
440 if (pwr_ctr->rgl_name)
441 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
442 if (regulator_lcd == NULL) {
443 dev_err(dev_drv->dev,
444 "%s: regulator get failed,regulator name:%s\n",
445 __func__, pwr_ctr->rgl_name);
448 while (regulator_is_enabled(regulator_lcd) > 0) {
449 if (regulator_disable(regulator_lcd) == 0 ||
453 dev_err(dev_drv->dev,
454 "regulator_disable failed,count=%d\n",
458 regulator_put(regulator_lcd);
464 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
465 struct rk_screen *screen)
467 screen->mode.pixclock = dt->pixelclock.typ;
468 screen->mode.left_margin = dt->hback_porch.typ;
469 screen->mode.right_margin = dt->hfront_porch.typ;
470 screen->mode.xres = dt->hactive.typ;
471 screen->mode.hsync_len = dt->hsync_len.typ;
472 screen->mode.upper_margin = dt->vback_porch.typ;
473 screen->mode.lower_margin = dt->vfront_porch.typ;
474 screen->mode.yres = dt->vactive.typ;
475 screen->mode.vsync_len = dt->vsync_len.typ;
476 screen->type = dt->screen_type;
477 screen->lvds_format = dt->lvds_format;
478 screen->face = dt->face;
479 screen->color_mode = dt->color_mode;
480 screen->dsp_lut = dt->dsp_lut;
481 screen->cabc_lut = dt->cabc_lut;
482 screen->cabc_gamma_base = dt->cabc_gamma_base;
484 if (dt->flags & DISPLAY_FLAGS_INTERLACED)
485 screen->mode.vmode |= FB_VMODE_INTERLACED;
486 if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
487 screen->pin_dclk = 1;
489 screen->pin_dclk = 0;
490 if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
491 screen->pin_hsync = 1;
493 screen->pin_hsync = 0;
494 if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
495 screen->pin_vsync = 1;
497 screen->pin_vsync = 0;
498 if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
506 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
508 struct display_timings *disp_timing;
509 struct display_timing *dt;
511 disp_timing = of_get_display_timings(np);
513 pr_err("parse display timing err\n");
516 dt = display_timings_get(disp_timing, disp_timing->native_mode);
517 rk_fb_video_mode_from_timing(dt, screen);
522 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
525 unsigned long long hz;
528 pr_err("%s:null screen!\n", __func__);
531 x = screen->mode.xres + screen->mode.left_margin +
532 screen->mode.right_margin + screen->mode.hsync_len;
533 y = screen->mode.yres + screen->mode.upper_margin +
534 screen->mode.lower_margin + screen->mode.vsync_len;
536 hz = 1000000000000ULL; /* 1e12 picoseconds per second */
539 do_div(hz, x * y); /* divide by x * y with rounding */
542 do_div(hz, pixclock); /* divide by pixclock with rounding */
547 char *get_format_string(enum data_format format, char *fmt)
553 strcpy(fmt, "ARGB888");
556 strcpy(fmt, "RGB888");
559 strcpy(fmt, "BGR888");
562 strcpy(fmt, "RGB565");
565 strcpy(fmt, "BGR565");
569 strcpy(fmt, "YUV420");
572 strcpy(fmt, "YUV422");
575 strcpy(fmt, "YUV444");
578 strcpy(fmt, "YUV420_A");
581 strcpy(fmt, "YUV422_A");
584 strcpy(fmt, "YUV444_A");
587 strcpy(fmt, "XRGB888");
590 strcpy(fmt, "XBGR888");
593 strcpy(fmt, "ABGR888");
596 strcpy(fmt, "FBDC_RGB_565");
600 strcpy(fmt, "FBDC_ARGB_888");
603 strcpy(fmt, "FBDC_RGBX_888");
606 strcpy(fmt, "invalid");
615 * name: lcdc device name ,lcdc0 , lcdc1
617 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
619 struct rk_fb *inf = NULL;
620 struct rk_lcdc_driver *dev_drv = NULL;
624 inf = platform_get_drvdata(fb_pdev);
628 for (i = 0; i < inf->num_lcdc; i++) {
629 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
630 dev_drv = inf->lcdc_dev_drv[i];
638 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
640 struct rk_fb *inf = NULL;
641 struct rk_lcdc_driver *dev_drv = NULL;
645 inf = platform_get_drvdata(fb_pdev);
649 for (i = 0; i < inf->num_lcdc; i++) {
650 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
651 dev_drv = inf->lcdc_dev_drv[i];
659 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
661 struct rk_fb *inf = NULL;
662 struct rk_lcdc_driver *dev_drv = NULL;
666 inf = platform_get_drvdata(fb_pdev);
670 for (i = 0; i < inf->num_lcdc; i++) {
671 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
672 dev_drv = inf->lcdc_dev_drv[i];
681 * get one frame time of the prmry screen, unit: us
683 u32 rk_fb_get_prmry_screen_ft(void)
685 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
686 u32 htotal, vtotal, pixclock_ps;
687 u64 pix_total, ft_us;
689 if (unlikely(!dev_drv))
692 pixclock_ps = dev_drv->pixclock;
694 vtotal = dev_drv->cur_screen->mode.upper_margin +
695 dev_drv->cur_screen->mode.lower_margin +
696 dev_drv->cur_screen->mode.yres +
697 dev_drv->cur_screen->mode.vsync_len;
698 htotal = dev_drv->cur_screen->mode.left_margin +
699 dev_drv->cur_screen->mode.right_margin +
700 dev_drv->cur_screen->mode.xres +
701 dev_drv->cur_screen->mode.hsync_len;
702 pix_total = htotal * vtotal;
703 ft_us = pix_total * pixclock_ps;
704 do_div(ft_us, 1000000);
705 if (dev_drv->frame_time.ft == 0)
706 dev_drv->frame_time.ft = ft_us;
708 ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
710 ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
712 dev_drv->frame_time.ft = ft_us;
714 return dev_drv->frame_time.ft;
718 * get the vblanking time of the prmry screen, unit: us
720 u32 rk_fb_get_prmry_screen_vbt(void)
722 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
723 u32 htotal, vblank, pixclock_ps;
724 u64 pix_blank, vbt_us;
726 if (unlikely(!dev_drv))
729 pixclock_ps = dev_drv->pixclock;
731 htotal = (dev_drv->cur_screen->mode.left_margin +
732 dev_drv->cur_screen->mode.right_margin +
733 dev_drv->cur_screen->mode.xres +
734 dev_drv->cur_screen->mode.hsync_len);
735 vblank = (dev_drv->cur_screen->mode.upper_margin +
736 dev_drv->cur_screen->mode.lower_margin +
737 dev_drv->cur_screen->mode.vsync_len);
738 pix_blank = htotal * vblank;
739 vbt_us = pix_blank * pixclock_ps;
740 do_div(vbt_us, 1000000);
745 * get the frame done time of the prmry screen, unit: us
747 u64 rk_fb_get_prmry_screen_framedone_t(void)
749 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
751 if (unlikely(!dev_drv))
754 return dev_drv->frame_time.framedone_t;
758 * set prmry screen status
760 int rk_fb_set_prmry_screen_status(int status)
762 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
763 struct rk_screen *screen;
765 if (unlikely(!dev_drv))
768 screen = dev_drv->cur_screen;
770 case SCREEN_PREPARE_DDR_CHANGE:
771 if (screen->type == SCREEN_MIPI ||
772 screen->type == SCREEN_DUAL_MIPI) {
773 if (dev_drv->trsm_ops->dsp_pwr_off)
774 dev_drv->trsm_ops->dsp_pwr_off();
777 case SCREEN_UNPREPARE_DDR_CHANGE:
778 if (screen->type == SCREEN_MIPI ||
779 screen->type == SCREEN_DUAL_MIPI) {
780 if (dev_drv->trsm_ops->dsp_pwr_on)
781 dev_drv->trsm_ops->dsp_pwr_on();
791 u32 rk_fb_get_prmry_screen_pixclock(void)
793 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
795 if (unlikely(!dev_drv))
798 return dev_drv->pixclock;
801 int rk_fb_poll_prmry_screen_vblank(void)
803 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
805 if (likely(dev_drv)) {
806 if (dev_drv->ops->poll_vblank)
807 return dev_drv->ops->poll_vblank(dev_drv);
809 return RK_LF_STATUS_NC;
811 return RK_LF_STATUS_NC;
815 bool rk_fb_poll_wait_frame_complete(void)
817 uint32_t timeout = RK_LF_MAX_TIMEOUT;
818 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
820 if (likely(dev_drv)) {
821 if (dev_drv->ops->set_irq_to_cpu)
822 dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
825 if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
826 if (likely(dev_drv)) {
827 if (dev_drv->ops->set_irq_to_cpu)
828 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
832 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
834 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
836 if (likely(dev_drv)) {
837 if (dev_drv->ops->set_irq_to_cpu)
838 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
844 /* rk_fb_get_sysmmu_device_by_compatible()
845 * @compt: dts device compatible name
846 * return value: success: pointer to the device inside of platform device
849 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
851 struct device_node *dn = NULL;
852 struct platform_device *pd = NULL;
853 struct device *ret = NULL ;
855 dn = of_find_compatible_node(NULL, NULL, compt);
857 pr_info("can't find device node %s \r\n", compt);
861 pd = of_find_device_by_node(dn);
863 pr_info("can't find platform device node %s \r\n", compt);
871 #ifdef CONFIG_IOMMU_API
872 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
874 dev->archdata.iommu = sysmmu;
877 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
882 static int rk_fb_open(struct fb_info *info, int user)
884 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
885 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
888 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
890 /* if this win aready opened ,no need to reopen */
891 if (dev_drv->win[win_id]->state)
894 dev_drv->ops->open(dev_drv, win_id, 1);
898 static int rk_fb_close(struct fb_info *info, int user)
900 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
901 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
902 struct rk_lcdc_win *win = NULL;
903 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
906 win = dev_drv->win[win_id];
909 if (!fb_par->state) {
910 if (fb_par->fb_phy_base > 0)
911 info->fix.smem_start = fb_par->fb_phy_base;
912 info->var.xres = dev_drv->screen0->mode.xres;
913 info->var.yres = dev_drv->screen0->mode.yres;
915 *info->var.grayscale |=
916 * (info->var.xres << 8) + (info->var.yres << 20);
918 info->var.xres_virtual = info->var.xres;
919 info->var.yres_virtual = info->var.yres;
920 #if defined(CONFIG_LOGO_LINUX_BMP)
921 info->var.bits_per_pixel = 32;
923 info->var.bits_per_pixel = 16;
925 info->fix.line_length =
926 (info->var.xres_virtual) *
927 (info->var.bits_per_pixel >> 3);
928 info->var.width = dev_drv->screen0->width;
929 info->var.height = dev_drv->screen0->height;
930 info->var.pixclock = dev_drv->pixclock;
931 info->var.left_margin =
932 dev_drv->screen0->mode.left_margin;
933 info->var.right_margin =
934 dev_drv->screen0->mode.right_margin;
935 info->var.upper_margin =
936 dev_drv->screen0->mode.upper_margin;
937 info->var.lower_margin =
938 dev_drv->screen0->mode.lower_margin;
939 info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
940 info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
947 #if defined(FB_ROATE_BY_KERNEL)
949 #if defined(CONFIG_RK29_IPP)
950 static int get_ipp_format(int fmt)
952 int ipp_fmt = IPP_XRGB_8888;
955 case HAL_PIXEL_FORMAT_RGBX_8888:
956 case HAL_PIXEL_FORMAT_BGRX_8888:
957 case HAL_PIXEL_FORMAT_RGBA_8888:
958 case HAL_PIXEL_FORMAT_BGRA_8888:
959 case HAL_PIXEL_FORMAT_RGB_888:
960 case HAL_PIXEL_FORMAT_BGR_888:
961 ipp_fmt = IPP_XRGB_8888;
963 case HAL_PIXEL_FORMAT_RGB_565:
964 case HAL_PIXEL_FORMAT_BGR_565:
965 ipp_fmt = IPP_RGB_565;
967 case HAL_PIXEL_FORMAT_YCbCr_422_SP:
968 ipp_fmt = IPP_Y_CBCR_H2V1;
970 case HAL_PIXEL_FORMAT_YCrCb_NV12:
971 ipp_fmt = IPP_Y_CBCR_H2V2;
973 case HAL_PIXEL_FORMAT_YCrCb_444:
974 ipp_fmt = IPP_Y_CBCR_H1V1;
977 ipp_fmt = IPP_IMGTYPE_LIMIT;
984 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
985 int rotation, int fmt)
990 if (fmt == IPP_XRGB_8888) {
993 } else if (fmt == IPP_RGB_565) {
1000 align16 -= 1; /*for YUV, 1 */
1001 align64 -= 1; /*for YUV, 7 */
1003 if (rotation == IPP_ROT_0) {
1004 if (fmt > IPP_RGB_565) {
1005 if ((*dst_w & 1) != 0)
1006 *dst_w = *dst_w + 1;
1007 if ((*dst_h & 1) != 0)
1008 *dst_h = *dst_h + 1;
1009 if (*dst_vir_w < *dst_w)
1010 *dst_vir_w = *dst_w;
1013 if ((*dst_w & align64) != 0)
1014 *dst_w = (*dst_w + align64) & (~align64);
1015 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
1016 *dst_h = *dst_h + 1;
1017 if (*dst_vir_w < *dst_w)
1018 *dst_vir_w = *dst_w;
1022 static void fb_copy_by_ipp(struct fb_info *dst_info,
1023 struct fb_info *src_info)
1025 struct rk29_ipp_req ipp_req;
1026 uint32_t rotation = 0;
1027 int dst_w, dst_h, dst_vir_w;
1029 u8 data_format = (dst_info->var.nonstd) & 0xff;
1030 struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
1031 struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
1032 u16 orientation = ext_dev_drv->rotate_mode;
1034 memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
1036 switch (orientation) {
1038 rotation = IPP_ROT_0;
1041 rotation = IPP_ROT_90;
1044 rotation = IPP_ROT_180;
1047 rotation = IPP_ROT_270;
1050 rotation = IPP_ROT_270;
1054 dst_w = dst_info->var.xres;
1055 dst_h = dst_info->var.yres;
1056 dst_vir_w = dst_info->var.xres_virtual;
1057 ipp_fmt = get_ipp_format(data_format);
1058 ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1059 ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1060 ipp_req.src0.w = src_info->var.xres;
1061 ipp_req.src0.h = src_info->var.yres;
1062 ipp_req.src_vir_w = src_info->var.xres_virtual;
1063 ipp_req.src0.fmt = ipp_fmt;
1065 ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1066 ipp_req.dst0.w = dst_w;
1067 ipp_req.dst0.h = dst_h;
1068 ipp_req.dst_vir_w = dst_vir_w;
1069 ipp_req.dst0.fmt = ipp_fmt;
1071 ipp_req.timeout = 100;
1072 ipp_req.flag = rotation;
1073 ipp_blit_sync(&ipp_req);
1078 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1079 static int get_rga_format(int fmt)
1085 rga_fmt = RK_FORMAT_RGBX_8888;
1088 rga_fmt = RK_FORMAT_RGBA_8888;
1091 rga_fmt = RK_FORMAT_BGRA_8888;
1094 rga_fmt = RK_FORMAT_RGB_888;
1097 rga_fmt = RK_FORMAT_RGB_565;
1100 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1103 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1106 rga_fmt = RK_FORMAT_RGBA_8888;
1113 static void rga_win_check(struct rk_lcdc_win *dst_win,
1114 struct rk_lcdc_win *src_win)
1118 format = get_rga_format(src_win->area[0].format);
1119 /* width and height must be even number */
1120 if (format >= RK_FORMAT_YCbCr_422_SP &&
1121 format <= RK_FORMAT_YCrCb_420_P) {
1122 if ((src_win->area[0].xact % 2) != 0)
1123 src_win->area[0].xact += 1;
1124 if ((src_win->area[0].yact % 2) != 0)
1125 src_win->area[0].yact += 1;
1127 if (src_win->area[0].xvir < src_win->area[0].xact)
1128 src_win->area[0].xvir = src_win->area[0].xact;
1129 if (src_win->area[0].yvir < src_win->area[0].yact)
1130 src_win->area[0].yvir = src_win->area[0].yact;
1132 format = get_rga_format(dst_win->area[0].format);
1133 if (format >= RK_FORMAT_YCbCr_422_SP &&
1134 format <= RK_FORMAT_YCrCb_420_P) {
1135 if ((dst_win->area[0].xact % 2) != 0)
1136 dst_win->area[0].xact += 1;
1137 if ((dst_win->area[0].yact % 2) != 0)
1138 dst_win->area[0].yact += 1;
1140 if (dst_win->area[0].xvir < dst_win->area[0].xact)
1141 dst_win->area[0].xvir = dst_win->area[0].xact;
1142 if (dst_win->area[0].yvir < dst_win->area[0].yact)
1143 dst_win->area[0].yvir = dst_win->area[0].yact;
1146 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1147 struct rk_lcdc_win *src_win,
1148 u16 orientation, int iommu_en)
1150 struct rga_req rga_request;
1154 memset(&rga_request, 0, sizeof(rga_request));
1155 rga_win_check(dst_win, src_win);
1157 switch (orientation) {
1159 rga_request.rotate_mode = 1;
1160 rga_request.sina = 65536;
1161 rga_request.cosa = 0;
1162 rga_request.dst.act_w = dst_win->area[0].yact;
1163 rga_request.dst.act_h = dst_win->area[0].xact;
1164 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1165 rga_request.dst.y_offset = 0;
1168 rga_request.rotate_mode = 1;
1169 rga_request.sina = 0;
1170 rga_request.cosa = -65536;
1171 rga_request.dst.act_w = dst_win->area[0].xact;
1172 rga_request.dst.act_h = dst_win->area[0].yact;
1173 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1174 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1177 rga_request.rotate_mode = 1;
1178 rga_request.sina = -65536;
1179 rga_request.cosa = 0;
1180 rga_request.dst.act_w = dst_win->area[0].yact;
1181 rga_request.dst.act_h = dst_win->area[0].xact;
1182 rga_request.dst.x_offset = 0;
1183 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1186 rga_request.rotate_mode = 0;
1187 rga_request.dst.act_w = dst_win->area[0].xact;
1188 rga_request.dst.act_h = dst_win->area[0].yact;
1189 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1190 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1196 * ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1197 * rga_request.src.yrgb_addr = fd;
1199 * ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1200 * rga_request.dst.yrgb_addr = fd;
1202 rga_request.src.yrgb_addr = 0;
1203 rga_request.src.uv_addr =
1204 src_win->area[0].smem_start + src_win->area[0].y_offset;
1205 rga_request.src.v_addr = 0;
1207 rga_request.dst.yrgb_addr = 0;
1208 rga_request.dst.uv_addr =
1209 dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1210 rga_request.dst.v_addr = 0;
1212 rga_request.src.vir_w = src_win->area[0].xvir;
1213 rga_request.src.vir_h = src_win->area[0].yvir;
1214 rga_request.src.format = get_rga_format(src_win->area[0].format);
1215 rga_request.src.act_w = src_win->area[0].xact;
1216 rga_request.src.act_h = src_win->area[0].yact;
1217 rga_request.src.x_offset = 0;
1218 rga_request.src.y_offset = 0;
1220 rga_request.dst.vir_w = dst_win->area[0].xvir;
1221 rga_request.dst.vir_h = dst_win->area[0].yvir;
1222 rga_request.dst.format = get_rga_format(dst_win->area[0].format);
1224 rga_request.clip.xmin = 0;
1225 rga_request.clip.xmax = dst_win->area[0].xact - 1;
1226 rga_request.clip.ymin = 0;
1227 rga_request.clip.ymax = dst_win->area[0].yact - 1;
1228 rga_request.scale_mode = 0;
1231 rga_request.mmu_info.mmu_en = 1;
1232 rga_request.mmu_info.mmu_flag = 1;
1234 rga_request.mmu_info.mmu_en = 0;
1235 rga_request.mmu_info.mmu_flag = 0;
1238 ret = rga_ioctl_kernel(&rga_request);
1242 * This function is used for copying fb by RGA Module
1243 * RGA only support copy RGB to RGB
1244 * RGA2 support copy RGB to RGB and YUV to YUV
1246 static void fb_copy_by_rga(struct fb_info *dst_info,
1247 struct fb_info *src_info)
1249 struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1250 struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1251 struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1252 struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1253 int win_id = 0, ext_win_id;
1254 struct rk_lcdc_win *src_win, *dst_win;
1256 win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1257 src_win = dev_drv->win[win_id];
1260 ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1261 dst_win = ext_dev_drv->win[ext_win_id];
1263 win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1264 ext_dev_drv->iommu_enabled);
1268 static int rk_fb_rotate(struct fb_info *dst_info,
1269 struct fb_info *src_info)
1271 #if defined(CONFIG_RK29_IPP)
1272 fb_copy_by_ipp(dst_info, src_info);
1273 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1274 fb_copy_by_rga(dst_info, src_info);
1281 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1282 struct rk_lcdc_win *src_win,
1283 u16 rotate, int iommu_en)
1285 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1286 win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1295 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1296 struct fb_info *info)
1298 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1299 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1300 struct fb_fix_screeninfo *fix = &info->fix;
1302 struct rk_lcdc_win *win = NULL;
1303 struct rk_screen *screen = dev_drv->cur_screen;
1304 u32 xoffset = var->xoffset;
1305 u32 yoffset = var->yoffset;
1306 u32 xvir = var->xres_virtual;
1309 u32 stride, uv_stride;
1312 u16 uv_x_off, uv_y_off, uv_y_act;
1315 if (dev_drv->suspend_flag)
1317 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1321 win = dev_drv->win[win_id];
1323 pixel_width = rk_fb_pixel_width(win->area[0].format);
1324 vir_width_bit = pixel_width * xvir;
1325 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1326 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1328 switch (win->area[0].format) {
1332 stride = stride_32bit_1;
1333 uv_stride = stride_32bit_1;
1336 fix->line_length = stride;
1337 uv_y_act = win->area[0].yact >> 1;
1339 case YUV420: /* nv12 */
1340 case YUV420_NV21: /* nv21 */
1343 stride = stride_32bit_1;
1344 uv_stride = stride_32bit_1;
1346 uv_y_off = yoffset >> 1;
1347 fix->line_length = stride;
1348 uv_y_act = win->area[0].yact >> 1;
1353 stride = stride_32bit_1;
1354 uv_stride = stride_32bit_2;
1355 uv_x_off = xoffset * 2;
1357 fix->line_length = stride << 2;
1358 uv_y_act = win->area[0].yact;
1361 stride = stride_32bit_1; /* default rgb */
1362 fix->line_length = stride;
1366 /* x y mirror ,jump line */
1367 if ((screen->y_mirror == 1) ||
1368 (win->xmirror && win->ymirror)) {
1369 if (screen->interlace == 1) {
1370 win->area[0].y_offset = yoffset * stride * 2 +
1371 ((win->area[0].yact - 1) * 2 + 1) * stride +
1372 xoffset * pixel_width / 8;
1374 win->area[0].y_offset = yoffset * stride +
1375 (win->area[0].yact - 1) * stride +
1376 xoffset * pixel_width / 8;
1379 if (screen->interlace == 1) {
1380 win->area[0].y_offset =
1381 yoffset * stride * 2 + xoffset * pixel_width / 8;
1383 win->area[0].y_offset =
1384 yoffset * stride + xoffset * pixel_width / 8;
1387 if (is_pic_yuv == 1) {
1388 if ((screen->y_mirror == 1) ||
1389 (win->xmirror && win->ymirror)) {
1390 if (screen->interlace == 1) {
1391 win->area[0].c_offset =
1392 uv_y_off * uv_stride * 2 +
1393 ((uv_y_act - 1) * 2 + 1) * uv_stride +
1394 uv_x_off * pixel_width / 8;
1396 win->area[0].c_offset = uv_y_off * uv_stride +
1397 (uv_y_act - 1) * uv_stride +
1398 uv_x_off * pixel_width / 8;
1401 if (screen->interlace == 1) {
1402 win->area[0].c_offset =
1403 uv_y_off * uv_stride * 2 +
1404 uv_x_off * pixel_width / 8;
1406 win->area[0].c_offset =
1407 uv_y_off * uv_stride +
1408 uv_x_off * pixel_width / 8;
1413 win->area[0].smem_start = fix->smem_start;
1414 win->area[0].cbr_start = fix->mmio_start;
1415 win->area[0].state = 1;
1418 dev_drv->ops->pan_display(dev_drv, win_id);
1420 #ifdef CONFIG_FB_MIRRORING
1421 if (video_data_to_mirroring)
1422 video_data_to_mirroring(info, NULL);
1424 /* if not want the config effect,set reserved[3] bit[0] 1 */
1425 if (likely((var->reserved[3] & 0x1) == 0))
1426 dev_drv->ops->cfg_done(dev_drv);
1427 if (dev_drv->hdmi_switch)
1432 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1436 i = list_empty(&dev_drv->update_regs_list);
1437 j = list_empty(&dev_drv->saved_list);
1438 return i == j ? 0 : 1;
1441 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1443 int err = sync_fence_wait(fence, 1000);
1449 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1452 pr_info("error waiting on fence\n");
1455 static int rk_fb_copy_from_loader(struct fb_info *info)
1457 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1458 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1459 void *dst = info->screen_base;
1464 struct rk_lcdc_win *win;
1466 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1467 win = dev_drv->win[win_id];
1468 size = (win->area[0].xact) * (win->area[0].yact) << 2;
1469 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1470 src = dsp_addr[win_id];
1471 dev_info(info->dev, "copy fb data %d x %d from dst_addr:%08x\n",
1472 win->area[0].xact, win->area[0].yact, src);
1473 for (i = 0; i < size; i += PAGE_SIZE) {
1474 void *page = phys_to_page(i + src);
1475 void *from_virt = kmap(page);
1476 void *to_virt = dst + i;
1478 memcpy(to_virt, from_virt, PAGE_SIZE);
1480 dev_drv->ops->direct_set_addr(dev_drv, win_id,
1481 info->fix.smem_start);
1485 static int g_last_addr[5][4];
1486 static int g_now_config_addr[5][4];
1487 static int g_last_state[5][4];
1488 static int g_now_config_state[5][4];
1493 #define DUMP_CHUNK 256
1494 char buf[PAGE_SIZE];
1496 int rk_fb_sysmmu_fault_handler(struct device *dev,
1497 enum rk_iommu_inttype itype,
1498 unsigned long pgtable_base,
1499 unsigned long fault_addr, unsigned int status)
1501 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1503 static int page_fault_cnt;
1505 if ((page_fault_cnt++) >= 10)
1508 ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1509 fault_addr, pgtable_base, status);
1510 pr_info("last config addr:\n");
1511 for (i = 0; i < 4; i++) {
1512 for (j = 0; j < 4; j++)
1513 pr_info("win[%d],area[%d] = 0x%08x\n",
1514 i, j, g_last_addr[i][j]);
1516 pr_info("last freed buffer:\n");
1517 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1518 pr_info("%d:0x%08x\n", i, freed_addr[i]);
1519 pr_info("last timeout:%d\n", g_last_timeout);
1520 dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1521 for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1522 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1523 char c = buf[i + DUMP_CHUNK];
1525 buf[i + DUMP_CHUNK] = 0;
1526 pr_cont("%s", buf + i);
1527 buf[i + DUMP_CHUNK] = c;
1529 buf[PAGE_SIZE - 1] = 0;
1530 pr_cont("%s", buf + i);
1537 void rk_fb_free_wb_buf(struct rk_lcdc_driver *dev_drv,
1538 struct rk_fb_reg_wb_data *wb_data)
1540 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1542 if (dev_drv->iommu_enabled && wb_data->ion_handle)
1543 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1544 wb_data->ion_handle);
1545 if (wb_data->ion_handle)
1546 ion_free(rk_fb->ion_client, wb_data->ion_handle);
1549 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1550 struct rk_fb_reg_win_data *reg_win_data)
1553 struct rk_fb_reg_area_data *area_data;
1554 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1556 for (i = 0; i < reg_win_data->area_num; i++) {
1557 area_data = ®_win_data->reg_area_data[i];
1558 index_buf = area_data->index_buf;
1559 if (dev_drv->iommu_enabled) {
1560 if (area_data->ion_handle != NULL &&
1561 !IS_YUV_FMT(area_data->data_format))
1562 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1563 area_data->ion_handle);
1564 freed_addr[freed_index++] = area_data->smem_start;
1566 if (area_data->ion_handle != NULL)
1567 ion_free(rk_fb->ion_client, area_data->ion_handle);
1569 if (area_data->acq_fence)
1570 sync_fence_put(area_data->acq_fence);
1574 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1575 struct rk_lcdc_win *win,
1576 struct rk_fb_reg_win_data *reg_win_data)
1579 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1580 struct rk_screen *cur_screen;
1581 struct rk_screen primary_screen;
1583 if (unlikely(!inf) || unlikely(!dev_drv) ||
1584 unlikely(!win) || unlikely(!reg_win_data))
1587 cur_screen = dev_drv->cur_screen;
1588 rk_fb_get_prmry_screen(&primary_screen);
1590 win->area_num = reg_win_data->area_num;
1591 win->id = reg_win_data->win_id;
1592 win->z_order = reg_win_data->z_order;
1594 if (reg_win_data->reg_area_data[0].smem_start > 0) {
1596 win->area_num = reg_win_data->area_num;
1597 win->id = reg_win_data->win_id;
1598 win->z_order = reg_win_data->z_order;
1599 win->area[0].uv_vir_stride =
1600 reg_win_data->reg_area_data[0].uv_vir_stride;
1601 win->area[0].cbr_start =
1602 reg_win_data->reg_area_data[0].cbr_start;
1603 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1604 win->alpha_en = reg_win_data->alpha_en;
1605 win->alpha_mode = reg_win_data->alpha_mode;
1606 win->g_alpha_val = reg_win_data->g_alpha_val;
1608 * reg_win_data mirror_en means that xmirror ymirror all
1611 win->xmirror = reg_win_data->mirror_en ? 1 : 0;
1612 win->ymirror = reg_win_data->mirror_en ? 1 : 0;
1613 win->colorspace = reg_win_data->colorspace;
1614 win->area[0].fbdc_en =
1615 reg_win_data->reg_area_data[0].fbdc_en;
1616 win->area[0].fbdc_cor_en =
1617 reg_win_data->reg_area_data[0].fbdc_cor_en;
1618 win->area[0].fbdc_data_format =
1619 reg_win_data->reg_area_data[0].fbdc_data_format;
1620 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1621 if (reg_win_data->reg_area_data[i].smem_start > 0) {
1622 win->area[i].format =
1623 reg_win_data->reg_area_data[i].data_format;
1624 win->area[i].ion_hdl =
1625 reg_win_data->reg_area_data[i].ion_handle;
1626 win->area[i].smem_start =
1627 reg_win_data->reg_area_data[i].smem_start;
1628 if (inf->disp_mode == DUAL ||
1629 inf->disp_mode == NO_DUAL) {
1631 reg_win_data->reg_area_data[i].xpos;
1633 reg_win_data->reg_area_data[i].ypos;
1634 win->area[i].xsize =
1635 reg_win_data->reg_area_data[i].xsize;
1636 win->area[i].ysize =
1637 reg_win_data->reg_area_data[i].ysize;
1640 reg_win_data->reg_area_data[i].xpos *
1641 cur_screen->mode.xres /
1642 primary_screen.mode.xres;
1644 reg_win_data->reg_area_data[i].ypos *
1645 cur_screen->mode.yres /
1646 primary_screen.mode.yres;
1647 win->area[i].xsize =
1648 reg_win_data->reg_area_data[i].xsize *
1649 cur_screen->mode.xres /
1650 primary_screen.mode.xres;
1651 win->area[i].ysize =
1652 reg_win_data->reg_area_data[i].ysize *
1653 cur_screen->mode.yres /
1654 primary_screen.mode.yres;
1656 /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1657 if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
1658 if (cur_screen->xsize > 0 &&
1659 cur_screen->xsize <= cur_screen->mode.xres) {
1661 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1662 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1663 win->area[i].xsize =
1664 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1666 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1668 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1669 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1670 win->area[i].ysize =
1671 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1676 reg_win_data->reg_area_data[i].xact;
1678 reg_win_data->reg_area_data[i].yact;
1680 reg_win_data->reg_area_data[i].xvir;
1682 reg_win_data->reg_area_data[i].yvir;
1684 reg_win_data->reg_area_data[i].xoff;
1686 reg_win_data->reg_area_data[i].yoff;
1687 win->area[i].y_offset =
1688 reg_win_data->reg_area_data[i].y_offset;
1689 win->area[i].y_vir_stride =
1690 reg_win_data->reg_area_data[i].y_vir_stride;
1691 win->area[i].state = 1;
1692 if (dev_drv->iommu_enabled) {
1693 g_now_config_addr[win->id][i] =
1694 win->area[i].smem_start +
1695 win->area[i].y_offset;
1696 g_now_config_state[win->id][i] = 1;
1699 win->area[i].state = 0;
1700 if (dev_drv->iommu_enabled) {
1701 g_now_config_addr[win->id][i] = 0;
1702 g_now_config_state[win->id][i] = 0;
1709 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1713 struct rk_fb_reg_win_data *win_data = NULL;
1715 for (i = 0; i < regs->win_num; i++) {
1716 if (regs->reg_win_data[i].win_id == win_id) {
1717 win_data = &(regs->reg_win_data[i]);
1725 static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
1726 struct rk_fb_reg_data *regs,
1729 int i, j, wait_for_vsync = false;
1730 unsigned int dsp_addr[5][4];
1733 if (dev_drv->ops->get_dsp_addr)
1734 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1736 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1737 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1738 if ((j > 0) && (dev_drv->area_support[i] == 1))
1740 if (dev_drv->win[i]->area[j].state == 1) {
1742 dev_drv->win[i]->area[j].smem_start +
1743 dev_drv->win[i]->area[j].y_offset;
1744 u32 reg_start = dsp_addr[i][j];
1746 if (unlikely(new_start != reg_start)) {
1747 wait_for_vsync = true;
1748 dev_info(dev_drv->dev,
1749 "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1750 i, new_start, reg_start,
1754 } else if (dev_drv->win[i]->area[j].state == 0) {
1755 if (dev_drv->ops->get_win_state) {
1757 dev_drv->ops->get_win_state(dev_drv, i, j);
1759 wait_for_vsync = true;
1762 pr_err("!!!win[%d]state:%d,error!!!\n",
1763 i, dev_drv->win[i]->state);
1768 return wait_for_vsync;
1771 static int rk_fb_iommu_page_fault_dump(struct rk_lcdc_driver *dev_drv)
1773 int i, j, state, page_fault = 0;
1774 unsigned int dsp_addr[5][4];
1776 if (dev_drv->ops->extern_func) {
1777 dev_drv->ops->extern_func(dev_drv, UNMASK_PAGE_FAULT);
1778 page_fault = dev_drv->ops->extern_func(dev_drv, GET_PAGE_FAULT);
1781 pr_info("last config:\n");
1782 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1783 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1784 if ((j > 0) && (dev_drv->area_support[i] == 1))
1786 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1787 i, j, g_last_state[i][j], g_last_addr[i][j]);
1791 pr_info("last freed buffer:\n");
1792 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1793 pr_info("%d:0x%08x\n", i, freed_addr[i]);
1795 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1796 pr_info("vop now state:\n");
1797 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1798 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1799 if ((j > 0) && (dev_drv->area_support[i] == 1))
1801 state = dev_drv->ops->get_win_state(dev_drv, i, j);
1802 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1803 i, j, state, dsp_addr[i][j]);
1806 pr_info("now config:\n");
1807 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1808 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1809 if ((j > 0) && (dev_drv->area_support[i] == 1))
1811 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1812 i, j, g_now_config_state[i][j],
1813 g_now_config_addr[i][j]);
1816 for (i = 0; i < DUMP_FRAME_NUM; i++)
1817 rk_fb_config_debug(dev_drv, &dev_drv->tmp_win_cfg[i],
1818 &dev_drv->tmp_regs[i], 0);
1821 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1822 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1823 if ((j > 0) && (dev_drv->area_support[i] == 1))
1825 g_last_addr[i][j] = g_now_config_addr[i][j];
1826 g_last_state[i][j] = g_now_config_state[i][j];
1832 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1833 struct rk_fb_reg_data *regs)
1836 struct rk_lcdc_win *win;
1837 ktime_t timestamp = dev_drv->vsync_info.timestamp;
1838 struct rk_fb_reg_win_data *win_data;
1839 bool wait_for_vsync;
1844 if (dev_drv->suspend_flag == 1) {
1846 sw_sync_timeline_inc(dev_drv->timeline, 1);
1848 for (i = 0; i < regs->win_num; i++) {
1849 win_data = ®s->reg_win_data[i];
1850 rk_fb_free_dma_buf(dev_drv, win_data);
1852 if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
1853 rk_fb_free_wb_buf(dev_drv, ®s->reg_wb_data);
1857 /* acq_fence wait */
1858 for (i = 0; i < regs->win_num; i++) {
1859 win_data = ®s->reg_win_data[i];
1860 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1861 if (win_data->reg_area_data[j].acq_fence)
1862 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1866 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1867 win = dev_drv->win[i];
1868 win_data = rk_fb_get_win_data(regs, i);
1870 mutex_lock(&dev_drv->win_config);
1871 rk_fb_update_win(dev_drv, win, win_data);
1873 dev_drv->ops->set_par(dev_drv, i);
1874 dev_drv->ops->pan_display(dev_drv, i);
1875 mutex_unlock(&dev_drv->win_config);
1879 for (j = 0; j < 4; j++)
1880 win->area[j].state = 0;
1881 if (dev_drv->iommu_enabled) {
1882 for (j = 0; j < 4; j++) {
1883 g_now_config_addr[i][j] = 0;
1884 g_now_config_state[i][j] = 0;
1889 dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1891 if (dev_drv->property.feature & SUPPORT_WRITE_BACK) {
1892 memcpy(&dev_drv->wb_data, ®s->reg_wb_data,
1893 sizeof(struct rk_fb_reg_wb_data));
1894 if (dev_drv->ops->set_wb)
1895 dev_drv->ops->set_wb(dev_drv);
1898 if (rk_fb_iommu_debug > 0)
1899 pagefault = rk_fb_iommu_page_fault_dump(dev_drv);
1902 dev_drv->ops->cfg_done(dev_drv);
1904 sw_sync_timeline_inc(dev_drv->timeline, 1);
1907 timestamp = dev_drv->vsync_info.timestamp;
1908 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1909 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1910 msecs_to_jiffies(50));
1912 wait_for_vsync = rk_fb_reg_effect(dev_drv, regs, count);
1913 } while (wait_for_vsync && count--);
1915 sw_sync_timeline_inc(dev_drv->timeline, 1);
1918 if (dev_drv->front_regs) {
1919 if (dev_drv->iommu_enabled) {
1920 if (dev_drv->ops->mmu_en)
1921 dev_drv->ops->mmu_en(dev_drv);
1923 g_last_timeout = timeout;
1926 mutex_lock(&dev_drv->front_lock);
1928 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1929 win_data = &dev_drv->front_regs->reg_win_data[i];
1930 rk_fb_free_dma_buf(dev_drv, win_data);
1932 if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
1933 rk_fb_free_wb_buf(dev_drv,
1934 &dev_drv->front_regs->reg_wb_data);
1935 kfree(dev_drv->front_regs);
1937 mutex_unlock(&dev_drv->front_lock);
1939 if (dev_drv->iommu_enabled)
1940 freed_addr[freed_index] = 0xfefefefe;
1943 mutex_lock(&dev_drv->front_lock);
1945 dev_drv->front_regs = regs;
1947 mutex_unlock(&dev_drv->front_lock);
1949 trace_buffer_dump(&fb_pdev->dev, dev_drv);
1952 static void rk_fb_update_regs_handler(struct kthread_work *work)
1954 struct rk_lcdc_driver *dev_drv =
1955 container_of(work, struct rk_lcdc_driver, update_regs_work);
1956 struct rk_fb_reg_data *data, *next;
1958 mutex_lock(&dev_drv->update_regs_list_lock);
1959 dev_drv->saved_list = dev_drv->update_regs_list;
1960 list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1961 mutex_unlock(&dev_drv->update_regs_list_lock);
1963 list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1964 list_del(&data->list);
1965 rk_fb_update_reg(dev_drv, data);
1968 if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1969 wake_up(&dev_drv->update_regs_wait);
1972 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1973 struct rk_screen *screen)
1975 if (area_par->phy_addr > 0)
1976 pr_err("%s[%d], phy_addr = 0x%x\n",
1977 __func__, __LINE__, area_par->phy_addr);
1978 if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1979 (area_par->xact <= 0) || (area_par->yact <= 0) ||
1980 (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1981 pr_err("check config var fail 0:\n"
1982 "x_offset=%d,xact=%d,xvir=%d\n",
1983 area_par->x_offset, area_par->xact, area_par->xvir);
1987 if ((area_par->xpos >= screen->mode.xres) ||
1988 (area_par->ypos >= screen->mode.yres) ||
1989 ((area_par->xsize <= 0) || (area_par->ysize <= 0))) {
1990 pr_warn("check config var fail 1:\n"
1991 "xpos=%d,xsize=%d,xres=%d\n"
1992 "ypos=%d,ysize=%d,yres=%d\n",
1993 area_par->xpos, area_par->xsize, screen->mode.xres,
1994 area_par->ypos, area_par->ysize, screen->mode.yres);
2000 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
2001 struct rk_fb_win_cfg_data *win_data,
2002 struct rk_fb_reg_data *regs, u32 cmd)
2005 struct rk_fb_win_par *win_par;
2006 struct rk_fb_area_par *area_par;
2007 struct rk_fb_reg_win_data *reg_win_data;
2008 struct rk_fb_reg_area_data *area_data;
2010 rk_fb_dbg(cmd, "-------------frame start-------------\n");
2011 rk_fb_dbg(cmd, "user config:\n");
2012 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2013 win_par = &(win_data->win_par[i]);
2014 if ((win_par->area_par[0].ion_fd <= 0) &&
2015 (win_par->area_par[0].phy_addr <= 0))
2017 rk_fb_dbg(cmd, "win[%d]:z_order=%d,galhpa_v=%d\n",
2018 win_par->win_id, win_par->z_order,
2019 win_par->g_alpha_val);
2020 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2021 area_par = &(win_par->area_par[j]);
2022 if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2023 ((win_par->area_par[j].ion_fd <= 0) &&
2024 (win_par->area_par[j].phy_addr <= 0)))
2026 rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion_fd=%d,phy_add=0x%x,xoff=%d,yoff=%d\n",
2027 j, area_par->data_format, area_par->ion_fd,
2028 area_par->phy_addr, area_par->x_offset,
2029 area_par->y_offset);
2030 rk_fb_dbg(cmd, " xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2031 area_par->xpos, area_par->ypos,
2032 area_par->xsize, area_par->ysize);
2033 rk_fb_dbg(cmd, " xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2034 area_par->xact, area_par->yact,
2035 area_par->xvir, area_par->yvir);
2039 rk_fb_dbg(cmd, "regs data:\n");
2040 rk_fb_dbg(cmd, "win_num=%d,buf_num=%d\n",
2041 regs->win_num, regs->buf_num);
2042 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2043 reg_win_data = &(regs->reg_win_data[i]);
2044 if (reg_win_data->reg_area_data[0].smem_start <= 0)
2046 rk_fb_dbg(cmd, "win[%d]:z_order=%d,area_num=%d,area_buf_num=%d\n",
2047 reg_win_data->win_id, reg_win_data->z_order,
2048 reg_win_data->area_num, reg_win_data->area_buf_num);
2049 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2050 area_data = &(reg_win_data->reg_area_data[j]);
2051 if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2052 (area_data->smem_start <= 0))
2054 rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion=%p,smem_star=0x%lx,cbr_star=0x%lx\n",
2055 j, area_data->data_format, area_data->ion_handle,
2056 area_data->smem_start, area_data->cbr_start);
2057 rk_fb_dbg(cmd, " yoff=0x%x,coff=0x%x,area_data->buff_len=%x\n",
2058 area_data->y_offset, area_data->c_offset, area_data->buff_len);
2059 rk_fb_dbg(cmd, " xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2060 area_data->xpos, area_data->ypos,
2061 area_data->xsize, area_data->ysize);
2062 rk_fb_dbg(cmd, " xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2063 area_data->xact, area_data->yact,
2064 area_data->xvir, area_data->yvir);
2067 rk_fb_dbg(cmd, "-------------frame end---------------\n");
2071 static int rk_fb_config_backup(struct rk_lcdc_driver *dev_drv,
2072 struct rk_fb_win_cfg_data *win_cfg,
2073 struct rk_fb_reg_data *regs)
2077 /*2->1->0: 0 is newest*/
2078 for (i = 0; i < DUMP_FRAME_NUM - 1; i++) {
2079 memcpy(&dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 1 - i],
2080 &dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 2 - i],
2081 sizeof(struct rk_fb_win_cfg_data));
2082 memcpy(&dev_drv->tmp_regs[DUMP_FRAME_NUM - 1 - i],
2083 &dev_drv->tmp_regs[DUMP_FRAME_NUM - 2 - i],
2084 sizeof(struct rk_fb_reg_data));
2087 memcpy(&dev_drv->tmp_win_cfg[0], win_cfg,
2088 sizeof(struct rk_fb_win_cfg_data));
2089 memcpy(&dev_drv->tmp_regs[0], regs,
2090 sizeof(struct rk_fb_reg_data));
2095 static int rk_fb_set_wb_buffer(struct fb_info *info,
2096 struct rk_fb_wb_cfg *wb_cfg,
2097 struct rk_fb_reg_wb_data *wb_data)
2100 ion_phys_addr_t phy_addr;
2103 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2104 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2105 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2107 if ((wb_cfg->phy_addr == 0) && (wb_cfg->ion_fd == 0)) {
2111 if (wb_cfg->phy_addr == 0) {
2112 wb_data->ion_handle =
2113 ion_import_dma_buf(rk_fb->ion_client,
2115 if (IS_ERR(wb_data->ion_handle)) {
2116 pr_info("Could not import handle: %ld\n",
2117 (long)wb_data->ion_handle);
2120 if (dev_drv->iommu_enabled)
2121 ret = ion_map_iommu(dev_drv->dev,
2123 wb_data->ion_handle,
2124 (unsigned long *)&phy_addr,
2125 (unsigned long *)&len);
2127 ret = ion_phys(rk_fb->ion_client, wb_data->ion_handle,
2130 pr_err("ion map to get phy addr failed\n");
2131 ion_free(rk_fb->ion_client, wb_data->ion_handle);
2134 wb_data->smem_start = phy_addr;
2136 wb_data->smem_start = wb_cfg->phy_addr;
2139 fb_data_fmt = rk_fb_data_fmt(wb_cfg->data_format, 0);
2140 if (IS_YUV_FMT(fb_data_fmt))
2141 wb_data->cbr_start = wb_data->smem_start +
2142 wb_cfg->xsize * wb_cfg->ysize;
2143 wb_data->xsize = wb_cfg->xsize;
2144 wb_data->ysize = wb_cfg->ysize;
2145 wb_data->data_format = fb_data_fmt;
2151 static int rk_fb_set_win_buffer(struct fb_info *info,
2152 struct rk_fb_win_par *win_par,
2153 struct rk_fb_reg_win_data *reg_win_data)
2155 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2156 struct fb_fix_screeninfo *fix = &info->fix;
2157 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2158 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2159 /*if hdmi size move to hwc,screen should point to cur_screen
2160 *otherwise point to screen0[main screen]*/
2161 struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
2162 struct fb_info *fbi;
2163 int i, ion_fd, acq_fence_fd;
2165 u32 xoffset, yoffset;
2167 struct ion_handle *hdl;
2173 u32 stride, uv_stride;
2176 u16 uv_x_off, uv_y_off, uv_y_act;
2178 u8 ppixel_a = 0, global_a = 0;
2179 ion_phys_addr_t phy_addr;
2183 reg_win_data->reg_area_data[0].smem_start = -1;
2184 reg_win_data->area_num = 0;
2185 fbi = rk_fb->fb[win_par->win_id + dev_drv->fb_index_base];
2186 if (win_par->area_par[0].phy_addr == 0) {
2187 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2188 ion_fd = win_par->area_par[i].ion_fd;
2191 ion_import_dma_buf(rk_fb->ion_client,
2194 pr_info("%s: Could not import handle:"
2195 " %ld\n", __func__, (long)hdl);
2199 reg_win_data->reg_area_data[i].ion_handle = hdl;
2200 if (dev_drv->iommu_enabled)
2201 ret = ion_map_iommu(dev_drv->dev,
2204 (unsigned long *)&phy_addr,
2205 (unsigned long *)&len);
2207 ret = ion_phys(rk_fb->ion_client, hdl,
2210 dev_err(fbi->dev, "ion map to get phy addr failed\n");
2211 ion_free(rk_fb->ion_client, hdl);
2214 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2215 reg_win_data->area_num++;
2216 reg_win_data->area_buf_num++;
2217 reg_win_data->reg_area_data[i].index_buf = 1;
2218 reg_win_data->reg_area_data[i].buff_len = len;
2222 reg_win_data->reg_area_data[0].smem_start =
2223 win_par->area_par[0].phy_addr;
2224 reg_win_data->area_num = 1;
2225 reg_win_data->area_buf_num++;
2226 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2229 if (reg_win_data->area_num == 0) {
2230 for (i = 0; i < RK_WIN_MAX_AREA; i++)
2231 reg_win_data->reg_area_data[i].smem_start = 0;
2232 reg_win_data->z_order = -1;
2233 reg_win_data->win_id = -1;
2237 for (i = 0; i < reg_win_data->area_num; i++) {
2238 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2239 index_buf = reg_win_data->reg_area_data[i].index_buf;
2240 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2241 reg_win_data->reg_area_data[i].acq_fence =
2242 sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2245 if (reg_win_data->reg_area_data[0].smem_start > 0) {
2246 reg_win_data->z_order = win_par->z_order;
2247 reg_win_data->win_id = win_par->win_id;
2249 reg_win_data->z_order = -1;
2250 reg_win_data->win_id = -1;
2253 reg_win_data->mirror_en = win_par->mirror_en;
2254 for (i = 0; i < reg_win_data->area_num; i++) {
2255 u8 data_format = win_par->area_par[i].data_format;
2256 /*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
2257 reg_win_data->colorspace = CSC_FORMAT(data_format);
2258 data_format &= ~CSC_MASK;
2259 fb_data_fmt = rk_fb_data_fmt(data_format, 0);
2260 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
2261 if (IS_FBDC_FMT(fb_data_fmt)) {
2262 reg_win_data->reg_area_data[i].fbdc_en = 1;
2263 reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
2265 reg_win_data->reg_area_data[i].fbdc_en = 0;
2266 reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
2268 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2270 ppixel_a |= ((fb_data_fmt == ARGB888) ||
2271 (fb_data_fmt == FBDC_ARGB_888) ||
2272 (fb_data_fmt == FBDC_ABGR_888) ||
2273 (fb_data_fmt == ABGR888)) ? 1 : 0;
2274 /*act_height should be 2 pix align for interlace output*/
2275 if (win_par->area_par[i].yact % 2 == 1) {
2276 win_par->area_par[i].yact -= 1;
2277 win_par->area_par[i].ysize -= 1;
2280 /* buf offset should be 2 pix align*/
2281 if ((win_par->area_par[i].x_offset % 2 == 1) &&
2282 IS_YUV_FMT(fb_data_fmt)) {
2283 win_par->area_par[i].x_offset += 1;
2284 win_par->area_par[i].xact -= 1;
2287 /* visiable pos in panel */
2288 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2289 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2291 /* realy size in panel */
2292 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2293 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2295 /* realy size in panel */
2296 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2297 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2299 xoffset = win_par->area_par[i].x_offset; /* buf offset */
2300 yoffset = win_par->area_par[i].y_offset;
2301 reg_win_data->reg_area_data[i].xoff = xoffset;
2302 reg_win_data->reg_area_data[i].yoff = yoffset;
2304 xvir = win_par->area_par[i].xvir;
2305 reg_win_data->reg_area_data[i].xvir = xvir;
2306 yvir = win_par->area_par[i].yvir;
2307 reg_win_data->reg_area_data[i].yvir = yvir;
2309 vir_width_bit = pixel_width * xvir;
2310 /* pixel_width = byte_num*8 */
2311 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2312 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2314 stride = stride_32bit_1; /* default rgb */
2315 fix->line_length = stride;
2316 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2318 /* x y mirror ,jump line
2319 * reg_win_data->reg_area_data[i].y_offset =
2320 * yoffset*stride+xoffset*pixel_width/8;
2322 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2323 if (screen->interlace == 1) {
2324 reg_win_data->reg_area_data[i].y_offset =
2325 yoffset * stride * 2 +
2326 ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2327 xoffset * pixel_width / 8;
2329 reg_win_data->reg_area_data[i].y_offset =
2331 (reg_win_data->reg_area_data[i].yact - 1) * stride +
2332 xoffset * pixel_width / 8;
2335 if (screen->interlace == 1) {
2336 reg_win_data->reg_area_data[i].y_offset =
2337 yoffset * stride * 2 +
2338 xoffset * pixel_width / 8;
2340 reg_win_data->reg_area_data[i].y_offset =
2342 xoffset * pixel_width / 8;
2345 if (IS_RGB_FMT(fb_data_fmt) && dev_drv->iommu_enabled) {
2346 buff_len = reg_win_data->reg_area_data[i].y_offset +
2347 reg_win_data->reg_area_data[i].xvir *
2348 reg_win_data->reg_area_data[i].yact *
2350 reg_win_data->reg_area_data[i].xoff*
2352 if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2353 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2355 "=buff_len[0x%x]>>mmu len=0x%x\n",
2357 reg_win_data->reg_area_data[i].xvir,
2358 reg_win_data->reg_area_data[i].yact,
2359 pixel_width, buff_len,
2360 reg_win_data->reg_area_data[i].buff_len);
2364 global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2365 reg_win_data->alpha_en = ppixel_a | global_a;
2366 reg_win_data->g_alpha_val = win_par->g_alpha_val;
2367 reg_win_data->alpha_mode = win_par->alpha_mode;
2369 switch (fb_data_fmt) {
2373 stride = stride_32bit_1;
2374 uv_stride = stride_32bit_1;
2377 fix->line_length = stride;
2378 uv_y_act = win_par->area_par[0].yact >> 1;
2380 case YUV420: /* nv12 */
2381 case YUV420_NV21: /* nv21 */
2384 stride = stride_32bit_1;
2385 uv_stride = stride_32bit_1;
2387 uv_y_off = yoffset >> 1;
2388 fix->line_length = stride;
2389 uv_y_act = win_par->area_par[0].yact >> 1;
2394 stride = stride_32bit_1;
2395 uv_stride = stride_32bit_2;
2396 uv_x_off = xoffset * 2;
2398 fix->line_length = stride << 2;
2399 uv_y_act = win_par->area_par[0].yact;
2404 if (is_pic_yuv == 1) {
2405 reg_win_data->reg_area_data[0].cbr_start =
2406 reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2407 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2408 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2409 if (screen->interlace == 1) {
2410 reg_win_data->reg_area_data[0].c_offset =
2411 uv_y_off * uv_stride * 2 +
2412 ((uv_y_act - 1) * 2 + 1) * uv_stride +
2413 uv_x_off * pixel_width / 8;
2415 reg_win_data->reg_area_data[0].c_offset =
2416 uv_y_off * uv_stride +
2417 (uv_y_act - 1) * uv_stride +
2418 uv_x_off * pixel_width / 8;
2421 if (screen->interlace == 1) {
2422 reg_win_data->reg_area_data[0].c_offset =
2423 uv_y_off * uv_stride * 2 +
2424 uv_x_off * pixel_width / 8;
2426 reg_win_data->reg_area_data[0].c_offset =
2427 uv_y_off * uv_stride +
2428 uv_x_off * pixel_width / 8;
2431 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2432 reg_win_data->reg_area_data[0].c_offset +
2433 reg_win_data->reg_area_data[0].xvir *
2434 reg_win_data->reg_area_data[0].yact *
2436 reg_win_data->reg_area_data[0].smem_start -
2437 reg_win_data->reg_area_data[0].xoff*
2439 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2440 dev_drv->iommu_enabled)
2441 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2443 "=buff_len[0x%x]>>mmu len=0x%x\n",
2445 reg_win_data->reg_area_data[0].xvir,
2446 reg_win_data->reg_area_data[0].yact,
2447 pixel_width, buff_len,
2448 reg_win_data->reg_area_data[0].buff_len);
2451 /* record buffer information for rk_fb_disp_scale to prevent fence
2452 * timeout because rk_fb_disp_scale will call function
2453 * info->fbops->fb_set_par(info);
2454 * delete by hjc for new hdmi overscan framework.
2456 /* info->var.yoffset = yoffset;
2457 * info->var.xoffset = xoffset;
2462 static int rk_fb_set_win_config(struct fb_info *info,
2463 struct rk_fb_win_cfg_data *win_data)
2465 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2466 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2467 struct rk_fb_reg_data *regs;
2469 struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2470 struct sync_fence *retire_fence;
2471 struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2472 struct sync_pt *retire_sync_pt;
2473 char fence_name[20];
2475 int ret = 0, i, j = 0;
2476 int list_is_empty = 0;
2477 struct rk_screen *screen = dev_drv->cur_screen;
2479 mutex_lock(&dev_drv->output_lock);
2481 for (i = 0; i < 4; i++) {
2482 for (j = 0; j < 4; j++) {
2483 if ((win_data->win_par[i].area_par[j].ion_fd > 0) ||
2484 (win_data->win_par[i].area_par[j].phy_addr > 0))
2485 ret += rk_fb_check_config_var(
2486 &win_data->win_par[i].area_par[j],
2490 if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
2491 dev_drv->timeline_max++;
2492 sw_sync_timeline_inc(dev_drv->timeline, 1);
2493 if (dev_drv->suspend_flag)
2494 pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
2495 else if (dev_drv->hdmi_switch)
2496 pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
2498 pr_err("error config ,ignore\n");
2499 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2500 win_data->rel_fence_fd[j] = -1;
2501 win_data->ret_fence_fd = -1;
2505 regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2507 pr_info("could not allocate rk_fb_reg_data\n");
2512 for (i = 0, j = 0; i < dev_drv->lcdc_win_num; i++) {
2513 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2514 if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2515 ®s->reg_win_data[j])) {
2517 pr_info("error:%s[%d]\n", __func__, __LINE__);
2520 if (regs->reg_win_data[j].area_num > 0) {
2523 regs->reg_win_data[j].area_buf_num;
2527 pr_info("error:win_id bigger than lcdc_win_num\n");
2528 pr_info("i=%d,win_id=%d\n", i,
2529 win_data->win_par[i].win_id);
2532 if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
2533 rk_fb_set_wb_buffer(info, &win_data->wb_cfg,
2534 ®s->reg_wb_data);
2535 if (regs->win_num <= 0)
2536 goto err_null_frame;
2538 dev_drv->timeline_max++;
2540 win_data->ret_fence_fd = get_unused_fd_flags(0);
2541 if (win_data->ret_fence_fd < 0) {
2542 pr_err("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2543 win_data->ret_fence_fd = -1;
2547 for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2548 if (i < regs->buf_num) {
2549 sprintf(fence_name, "fence%d", i);
2550 win_data->rel_fence_fd[i] = get_unused_fd_flags(0);
2551 if (win_data->rel_fence_fd[i] < 0) {
2552 pr_info("rel_fence_fd=%d\n",
2553 win_data->rel_fence_fd[i]);
2557 release_sync_pt[i] =
2558 sw_sync_pt_create(dev_drv->timeline,
2559 dev_drv->timeline_max);
2561 sync_fence_create(fence_name, release_sync_pt[i]);
2562 sync_fence_install(release_fence[i],
2563 win_data->rel_fence_fd[i]);
2565 win_data->rel_fence_fd[i] = -1;
2570 sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2571 retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2572 sync_fence_install(retire_fence, win_data->ret_fence_fd);
2574 for (i = 0; i < RK_MAX_BUF_NUM; i++)
2575 win_data->rel_fence_fd[i] = -1;
2577 win_data->ret_fence_fd = -1;
2579 if (dev_drv->wait_fs == 0) {
2580 mutex_lock(&dev_drv->update_regs_list_lock);
2581 list_add_tail(®s->list, &dev_drv->update_regs_list);
2582 mutex_unlock(&dev_drv->update_regs_list_lock);
2583 queue_kthread_work(&dev_drv->update_regs_worker,
2584 &dev_drv->update_regs_work);
2586 mutex_lock(&dev_drv->update_regs_list_lock);
2587 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2588 list_empty(&dev_drv->saved_list);
2589 mutex_unlock(&dev_drv->update_regs_list_lock);
2590 if (!list_is_empty) {
2591 ret = wait_event_timeout(dev_drv->update_regs_wait,
2592 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2593 msecs_to_jiffies(60));
2595 rk_fb_update_reg(dev_drv, regs);
2597 pr_info("%s: wait update_regs_wait timeout\n", __func__);
2598 } else if (ret == 0) {
2599 rk_fb_update_reg(dev_drv, regs);
2602 if (rk_fb_debug_lvl > 0)
2603 rk_fb_config_debug(dev_drv, win_data, regs, rk_fb_debug_lvl);
2604 if (rk_fb_iommu_debug > 0)
2605 rk_fb_config_backup(dev_drv, win_data, regs);
2607 mutex_unlock(&dev_drv->output_lock);
2610 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2611 win_data->rel_fence_fd[j] = -1;
2612 win_data->ret_fence_fd = -1;
2613 pr_info("win num = %d,null frame\n", regs->win_num);
2616 mutex_unlock(&dev_drv->output_lock);
2622 static int cfgdone_distlist[10] = { 0 };
2624 static int cfgdone_index;
2625 static int cfgdone_lasttime;
2627 int rk_get_real_fps(int before)
2629 struct timespec now;
2635 int index = cfgdone_index;
2644 getnstimeofday(&now);
2645 dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2648 for (i = 0; i < 10; i++) {
2651 total += cfgdone_distlist[index];
2653 dist_first = cfgdone_distlist[index];
2654 if (total < (before * 1000)) {
2655 dist_total += cfgdone_distlist[index];
2662 dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2663 dist_total += dist_curr;
2667 fps = (1000000 * dist_count) / dist_total;
2673 EXPORT_SYMBOL(rk_get_real_fps);
2677 static struct ion_handle *ion_hanle[ION_MAX];
2678 static struct ion_handle *ion_hwc[1];
2679 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2682 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2683 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2684 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2685 struct fb_fix_screeninfo *fix = &info->fix;
2686 struct rk_lcdc_win *win;
2687 int enable; /* enable fb:1 enable;0 disable */
2688 int ovl; /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2689 int num_buf; /* buffer_number */
2691 struct rk_fb_win_cfg_data win_data;
2692 unsigned int dsp_addr[4][4];
2695 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2696 void __user *argp = (void __user *)arg;
2698 win = dev_drv->win[win_id];
2700 case RK_FBIOSET_HWC_ADDR:
2704 if (copy_from_user(hwc_phy, argp, 4))
2706 if (!dev_drv->iommu_enabled) {
2707 fix->smem_start = hwc_phy[0];
2710 struct ion_handle *hdl;
2711 ion_phys_addr_t phy_addr;
2714 usr_fd = hwc_phy[0];
2716 fix->smem_start = 0;
2717 fix->mmio_start = 0;
2718 dev_drv->ops->open(dev_drv, win_id, 0);
2722 if (ion_hwc[0] != 0) {
2723 ion_free(rk_fb->ion_client, ion_hwc[0]);
2727 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2729 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2734 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2735 (unsigned long *)&phy_addr,
2736 (unsigned long *)&len);
2738 dev_err(info->dev, "ion map to get hwc phy addr failed");
2739 ion_free(rk_fb->ion_client, hdl);
2742 fix->smem_start = phy_addr;
2747 case RK_FBIOSET_YUV_ADDR:
2751 if (copy_from_user(yuv_phy, argp, 8))
2753 if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2754 fix->smem_start = yuv_phy[0];
2755 fix->mmio_start = yuv_phy[1];
2757 int usr_fd, offset, tmp;
2758 struct ion_handle *hdl;
2759 ion_phys_addr_t phy_addr;
2762 usr_fd = yuv_phy[0];
2763 offset = yuv_phy[1] - yuv_phy[0];
2765 fix->smem_start = 0;
2766 fix->mmio_start = 0;
2770 if (ion_hanle[ION_MAX - 1] != 0) {
2771 /*ion_unmap_kernel(rk_fb->ion_client,
2772 * ion_hanle[ION_MAX - 1]);
2773 *ion_unmap_iommu(dev_drv->dev,
2774 * rk_fb->ion_client,
2775 * ion_hanle[ION_MAX - 1]);
2777 ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2778 ion_hanle[ION_MAX - 1] = 0;
2781 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2783 dev_err(info->dev, "failed to get ion handle:%ld\n",
2788 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2789 (unsigned long *)&phy_addr,
2790 (unsigned long *)&len);
2792 dev_err(info->dev, "ion map to get phy addr failed");
2793 ion_free(rk_fb->ion_client, hdl);
2796 fix->smem_start = phy_addr;
2797 fix->mmio_start = phy_addr + offset;
2798 fix->smem_len = len;
2799 /*info->screen_base =
2800 * ion_map_kernel(rk_fb->ion_client, hdl);
2803 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2804 ion_hanle[tmp] = ion_hanle[tmp - 1];
2809 case RK_FBIOSET_ENABLE:
2810 if (copy_from_user(&enable, argp, sizeof(enable)))
2812 if (enable && fb_par->state)
2816 dev_drv->ops->open(dev_drv, win_id, enable);
2818 case RK_FBIOGET_ENABLE:
2819 enable = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
2820 if (copy_to_user(argp, &enable, sizeof(enable)))
2823 case RK_FBIOSET_OVERLAY_STA:
2824 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2826 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2828 case RK_FBIOGET_OVERLAY_STA:
2829 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2830 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2833 case RK_FBIOPUT_NUM_BUFFERS:
2834 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2836 dev_drv->num_buf = num_buf;
2838 case RK_FBIOSET_VSYNC_ENABLE:
2839 if (copy_from_user(&enable, argp, sizeof(enable)))
2841 dev_drv->vsync_info.active = enable;
2844 case RK_FBIOGET_DSP_ADDR:
2845 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2846 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2849 case RK_FBIOGET_LIST_STA:
2850 list_stat = rk_fb_get_list_stat(dev_drv);
2851 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2855 case RK_FBIOGET_IOMMU_STA:
2856 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2857 sizeof(dev_drv->iommu_enabled)))
2860 #if defined(CONFIG_ION_ROCKCHIP)
2861 case RK_FBIOSET_DMABUF_FD:
2864 struct ion_handle *hdl;
2865 ion_phys_addr_t phy_addr;
2868 if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2871 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2872 ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2873 fix->smem_start = phy_addr;
2876 case RK_FBIOGET_DMABUF_FD:
2880 if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2882 "get dma_buf fd failed,ion handle is err\n");
2883 return PTR_ERR(fb_par->ion_hdl);
2885 fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2889 "ion_share_dma_buf_fd failed\n");
2892 if (copy_to_user(argp, &fd, sizeof(fd)))
2897 case RK_FBIOSET_CLEAR_FB:
2898 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2900 case RK_FBIOSET_CONFIG_DONE:
2903 struct timespec now;
2905 getnstimeofday(&now);
2906 curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2907 cfgdone_distlist[cfgdone_index++] =
2908 curr - cfgdone_lasttime;
2909 cfgdone_lasttime = curr;
2910 if (cfgdone_index >= 10)
2913 if (copy_from_user(&win_data,
2914 (struct rk_fb_win_cfg_data __user *)argp,
2915 sizeof(win_data))) {
2920 dev_drv->wait_fs = win_data.wait_fs;
2921 ret = rk_fb_set_win_config(info, &win_data);
2923 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2924 &win_data, sizeof(win_data))) {
2928 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2930 if (dev_drv->uboot_logo)
2931 dev_drv->uboot_logo = 0;
2935 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2942 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2944 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2945 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2946 struct fb_fix_screeninfo *fix = &info->fix;
2948 #if defined(CONFIG_RK_HDMI)
2949 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2952 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2955 mutex_lock(&dev_drv->switch_screen);
2956 #if defined(CONFIG_RK_HDMI)
2957 if ((rk_fb->disp_mode == ONE_DUAL) &&
2958 (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2959 pr_info("hdmi is connect , not blank lcdc\n");
2963 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2965 mutex_unlock(&dev_drv->switch_screen);
2969 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2971 if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2972 (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2973 ((16 != var->bits_per_pixel) &&
2974 (32 != var->bits_per_pixel) &&
2975 (24 != var->bits_per_pixel))) {
2976 dev_err(info->dev, "%s check var fail 1:\n"
2977 "xres_vir:%d>>yres_vir:%d\n"
2978 "xres:%d>>yres:%d\n"
2979 "bits_per_pixel:%d\n",
2983 var->xres, var->yres, var->bits_per_pixel);
2987 if (((var->xoffset + var->xres) > var->xres_virtual) ||
2988 ((var->yoffset + var->yres) > (var->yres_virtual))) {
2989 dev_err(info->dev, "%s check_var fail 2:\n"
2990 "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2991 "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2996 var->yoffset, var->yres, var->yres_virtual);
3003 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
3004 size_t count, loff_t *ppos)
3006 unsigned long p = *ppos;
3009 int c, cnt = 0, err = 0;
3010 unsigned long total_size;
3011 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3012 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3013 struct rk_lcdc_win *win = NULL;
3016 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3020 win = dev_drv->win[win_id];
3022 /* only read the current frame buffer */
3023 if (win->area[0].format == RGB565) {
3024 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
3025 } else if ((win->area[0].format == YUV420) ||
3026 (win->area[0].format == YUV420_NV21)) {
3028 (win->area[0].y_vir_stride * win->area[0].yact * 6);
3030 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
3032 if (p >= total_size)
3035 if (count >= total_size)
3038 if (count + p > total_size)
3039 count = total_size - p;
3041 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3045 src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3048 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3050 fb_memcpy_fromfb(dst, src, c);
3054 if (copy_to_user(buf, buffer, c)) {
3066 return (err) ? err : cnt;
3069 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
3070 size_t count, loff_t *ppos)
3072 unsigned long p = *ppos;
3075 int c, cnt = 0, err = 0;
3076 unsigned long total_size;
3077 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3078 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3079 struct rk_lcdc_win *win = NULL;
3082 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3086 win = dev_drv->win[win_id];
3088 /* write the current frame buffer */
3089 if (win->area[0].format == RGB565)
3090 total_size = win->area[0].xact * win->area[0].yact << 1;
3092 total_size = win->area[0].xact * win->area[0].yact << 2;
3097 if (count > total_size) {
3102 if (count + p > total_size) {
3106 count = total_size - p;
3109 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3113 dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3116 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3119 if (copy_from_user(src, buf, c)) {
3124 fb_memcpy_tofb(dst, src, c);
3135 return (cnt) ? cnt : err;
3138 static int rk_fb_set_par(struct fb_info *info)
3140 struct fb_var_screeninfo *var = &info->var;
3141 struct fb_fix_screeninfo *fix = &info->fix;
3142 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3143 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3144 struct rk_lcdc_win *win = NULL;
3145 struct rk_screen *screen = dev_drv->cur_screen;
3147 u16 xsize = 0, ysize = 0; /* winx display window height/width --->LCDC_WINx_DSP_INFO */
3148 u32 xoffset = var->xoffset; /* offset from virtual to visible */
3149 u32 yoffset = var->yoffset;
3150 u16 xpos = (var->nonstd >> 8) & 0xfff; /*visiable pos in panel */
3151 u16 ypos = (var->nonstd >> 20) & 0xfff;
3152 u32 xvir = var->xres_virtual;
3153 u8 data_format = var->nonstd & 0xff;
3157 u32 stride, uv_stride;
3160 u16 uv_x_off, uv_y_off, uv_y_act;
3162 /*var->pixclock = dev_drv->pixclock;*/
3163 if (dev_drv->suspend_flag)
3165 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3169 win = dev_drv->win[win_id];
3171 /* if the application has specific the hor and ver display size */
3172 if (var->grayscale >> 8) {
3173 xsize = (var->grayscale >> 8) & 0xfff;
3174 ysize = (var->grayscale >> 20) & 0xfff;
3175 if (xsize > screen->mode.xres)
3176 xsize = screen->mode.xres;
3177 if (ysize > screen->mode.yres)
3178 ysize = screen->mode.yres;
3179 } else { /*ohterwise full screen display */
3180 xsize = screen->mode.xres;
3181 ysize = screen->mode.yres;
3184 win->colorspace = CSC_FORMAT(data_format);
3185 data_format &= ~CSC_MASK;
3186 fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
3187 if (IS_FBDC_FMT(fb_data_fmt)) {
3188 win->area[0].fbdc_en = 1;
3189 win->area[0].fbdc_cor_en = 1;
3191 win->area[0].fbdc_en = 0;
3192 win->area[0].fbdc_cor_en = 0;
3194 pixel_width = rk_fb_pixel_width(fb_data_fmt);
3195 vir_width_bit = pixel_width * xvir;
3196 /* pixel_width = byte_num * 8 */
3197 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3198 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3200 switch (fb_data_fmt) {
3204 stride = stride_32bit_1;
3205 uv_stride = stride_32bit_1;
3208 fix->line_length = stride;
3209 uv_y_act = win->area[0].yact >> 1;
3211 case YUV420: /* nv12 */
3212 case YUV420_NV21: /* nv21 */
3215 stride = stride_32bit_1;
3216 uv_stride = stride_32bit_1;
3218 uv_y_off = yoffset >> 1;
3219 fix->line_length = stride;
3220 uv_y_act = win->area[0].yact >> 1;
3225 stride = stride_32bit_1;
3226 uv_stride = stride_32bit_2;
3227 uv_x_off = xoffset * 2;
3229 fix->line_length = stride << 2;
3230 uv_y_act = win->area[0].yact;
3233 stride = stride_32bit_1; /* default rgb */
3234 fix->line_length = stride;
3238 win->area[0].format = fb_data_fmt;
3239 win->area[0].y_vir_stride = stride >> 2;
3240 win->area[0].uv_vir_stride = uv_stride >> 2;
3241 win->area[0].xpos = xpos;
3242 win->area[0].ypos = ypos;
3243 win->area[0].xsize = xsize;
3244 win->area[0].ysize = ysize;
3245 win->area[0].xact = var->xres; /* winx active window height,is a wint of vir */
3246 win->area[0].yact = var->yres;
3247 win->area[0].xvir = var->xres_virtual; /* virtual resolution stride --->LCDC_WINx_VIR */
3248 win->area[0].yvir = var->yres_virtual;
3249 win->area[0].xoff = xoffset;
3250 win->area[0].yoff = yoffset;
3253 win->last_state = 1;
3256 win->alpha_mode = 4; /* AB_SRC_OVER; */
3257 win->alpha_en = ((win->area[0].format == ARGB888) ||
3258 (win->area[0].format == FBDC_ARGB_888) ||
3259 (win->area[0].format == FBDC_ABGR_888) ||
3260 (win->area[0].format == ABGR888)) ? 1 : 0;
3261 win->g_alpha_val = 0;
3263 dev_drv->ops->set_par(dev_drv, win_id);
3268 static inline unsigned int chan_to_field(unsigned int chan,
3269 struct fb_bitfield *bf)
3272 chan >>= 16 - bf->length;
3273 return chan << bf->offset;
3276 static int fb_setcolreg(unsigned regno,
3277 unsigned red, unsigned green, unsigned blue,
3278 unsigned transp, struct fb_info *info)
3282 switch (info->fix.visual) {
3283 case FB_VISUAL_TRUECOLOR:
3284 /* true-colour, use pseudo-palette */
3286 u32 *pal = info->pseudo_palette;
3288 val = chan_to_field(red, &info->var.red);
3289 val |= chan_to_field(green, &info->var.green);
3290 val |= chan_to_field(blue, &info->var.blue);
3295 return -1; /* unknown type */
3301 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3303 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3304 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3305 struct ion_handle *handle = fb_par->ion_hdl;
3306 struct dma_buf *dma_buf = NULL;
3308 if (IS_ERR_OR_NULL(handle)) {
3309 dev_err(info->dev, "failed to get ion handle:%ld\n",
3313 dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3314 if (IS_ERR_OR_NULL(dma_buf)) {
3315 pr_info("get ion share dma buf failed\n");
3319 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3321 return dma_buf_mmap(dma_buf, vma, 0);
3324 static struct fb_ops fb_ops = {
3325 .owner = THIS_MODULE,
3326 .fb_open = rk_fb_open,
3327 .fb_release = rk_fb_close,
3328 .fb_check_var = rk_fb_check_var,
3329 .fb_set_par = rk_fb_set_par,
3330 .fb_blank = rk_fb_blank,
3331 .fb_ioctl = rk_fb_ioctl,
3332 .fb_compat_ioctl = rk_fb_ioctl,
3333 .fb_pan_display = rk_fb_pan_display,
3334 .fb_read = rk_fb_read,
3335 .fb_write = rk_fb_write,
3336 .fb_setcolreg = fb_setcolreg,
3337 .fb_fillrect = cfb_fillrect,
3338 .fb_copyarea = cfb_copyarea,
3339 .fb_imageblit = cfb_imageblit,
3342 static struct fb_var_screeninfo def_var = {
3343 #if defined(CONFIG_LOGO_LINUX_BMP)
3347 .transp = {0, 0, 0},
3348 .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3353 .transp = {0, 0, 0},
3354 .nonstd = HAL_PIXEL_FORMAT_RGB_565, /* (ypos<<20+xpos<<8+format) format */
3356 .grayscale = 0, /* (ysize<<20+xsize<<8) */
3357 .activate = FB_ACTIVATE_NOW,
3359 .vmode = FB_VMODE_NONINTERLACED,
3362 static struct fb_fix_screeninfo def_fix = {
3363 .type = FB_TYPE_PACKED_PIXELS,
3368 .accel = FB_ACCEL_NONE,
3369 .visual = FB_VISUAL_TRUECOLOR,
3373 static int rk_fb_wait_for_vsync_thread(void *data)
3375 struct rk_lcdc_driver *dev_drv = data;
3376 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3377 struct fb_info *fbi = rk_fb->fb[dev_drv->fb_index_base];
3379 while (!kthread_should_stop()) {
3380 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3381 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3382 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3383 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3386 sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3392 static ssize_t rk_fb_vsync_show(struct device *dev,
3393 struct device_attribute *attr, char *buf)
3395 struct fb_info *fbi = dev_get_drvdata(dev);
3396 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3397 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3399 return scnprintf(buf, PAGE_SIZE, "%llu\n",
3400 ktime_to_ns(dev_drv->vsync_info.timestamp));
3403 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3406 * this two function is for other module that in the kernel which
3407 * need show image directly through fb
3408 * fb_id:we have 4 fb here,default we use fb0 for ui display
3410 struct fb_info *rk_get_fb(int fb_id)
3412 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3413 struct fb_info *fb = inf->fb[fb_id];
3416 EXPORT_SYMBOL(rk_get_fb);
3418 void rk_direct_fb_show(struct fb_info *fbi)
3421 rk_fb_pan_display(&fbi->var, fbi);
3423 EXPORT_SYMBOL(rk_direct_fb_show);
3425 int rk_fb_dpi_open(bool open)
3427 struct rk_lcdc_driver *dev_drv = NULL;
3429 dev_drv = rk_get_prmry_lcdc_drv();
3430 if (dev_drv->ops->dpi_open)
3431 dev_drv->ops->dpi_open(dev_drv, open);
3435 int rk_fb_dpi_win_sel(int win_id)
3437 struct rk_lcdc_driver *dev_drv = NULL;
3439 dev_drv = rk_get_prmry_lcdc_drv();
3440 if (dev_drv->ops->dpi_win_sel)
3441 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3445 int rk_fb_dpi_status(void)
3448 struct rk_lcdc_driver *dev_drv = NULL;
3450 dev_drv = rk_get_prmry_lcdc_drv();
3451 if (dev_drv->ops->dpi_status)
3452 ret = dev_drv->ops->dpi_status(dev_drv);
3458 * function: this function will be called by display device, enable/disable lcdc
3459 * @screen: screen timing to be set to lcdc
3460 * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3461 * @lcdc_id: the lcdc id the display device attached ,0 or 1
3463 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3465 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3466 struct fb_info *info = NULL;
3467 struct rk_fb_par *fb_par = NULL;
3468 struct rk_lcdc_driver *dev_drv = NULL;
3469 struct rk_lcdc_win *win;
3472 static bool load_screen;
3476 int ret, list_is_empty = 0;
3478 if (unlikely(!rk_fb) || unlikely(!screen))
3481 /* get lcdc driver */
3482 sprintf(name, "lcdc%d", lcdc_id);
3483 dev_drv = rk_get_lcdc_drv(name);
3485 if (dev_drv == NULL) {
3486 pr_err("%s driver not found!", name);
3489 if (screen->type == SCREEN_HDMI)
3490 pr_info("hdmi %s lcdc%d\n",
3491 enable ? "connect to" : "remove from",
3493 else if (screen->type == SCREEN_TVOUT ||
3494 screen->type == SCREEN_TVOUT_TEST)
3495 pr_info("cvbs %s lcdc%d\n",
3496 enable ? "connect to" : "remove from",
3498 if (enable == 2 /*&& dev_drv->enable*/)
3500 pr_info("switch:en=%d,lcdc_id=%d,screen type=%d,cur type=%d\n",
3501 enable, lcdc_id, screen->type, dev_drv->cur_screen->type);
3503 mutex_lock(&dev_drv->switch_screen);
3504 hdmi_switch_state = 0;
3505 dev_drv->hdmi_switch = 1;
3506 if (!dev_drv->uboot_logo) {
3508 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
3509 list_empty(&dev_drv->saved_list);
3510 if (!list_is_empty) {
3511 ret = wait_event_timeout(dev_drv->update_regs_wait,
3512 list_empty(&dev_drv->update_regs_list) &&
3513 list_empty(&dev_drv->saved_list),
3514 msecs_to_jiffies(60));
3516 pr_info("%s: wait update_regs_wait timeout\n",
3521 envp[0] = "switch screen";
3522 memset(envplcdc, 0, sizeof(envplcdc));
3523 memset(envpfbdev, 0, sizeof(envpfbdev));
3524 sprintf(envplcdc, "SCREEN=%d,ENABLE=%d", screen->type, enable);
3525 sprintf(envpfbdev, "FBDEV=%d", dev_drv->fb_index_base);
3527 envp[2] = envpfbdev;
3530 if ((rk_fb->disp_mode == ONE_DUAL) ||
3531 (rk_fb->disp_mode == NO_DUAL)) {
3532 if ((dev_drv->ops->backlight_close) &&
3533 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3534 dev_drv->ops->backlight_close(dev_drv, 1);
3535 if (!dev_drv->uboot_logo || load_screen ||
3536 (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3537 if (dev_drv->ops->dsp_black)
3538 dev_drv->ops->dsp_black(dev_drv, 0);
3540 if ((dev_drv->ops->set_screen_scaler) &&
3541 (rk_fb->disp_mode == ONE_DUAL))
3542 dev_drv->ops->set_screen_scaler(dev_drv,
3543 dev_drv->screen0, 0);
3546 /* if screen type is different, we do not disable lcdc. */
3547 if (dev_drv->cur_screen->type != screen->type) {
3548 dev_drv->hdmi_switch = 0;
3549 mutex_unlock(&dev_drv->switch_screen);
3553 /* if used one lcdc to dual disp, no need to close win */
3554 if ((rk_fb->disp_mode == ONE_DUAL) ||
3555 ((rk_fb->disp_mode == NO_DUAL) &&
3556 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))) {
3557 dev_drv->cur_screen = dev_drv->screen0;
3558 dev_drv->ops->load_screen(dev_drv, 1);
3559 /* force modify dsp size */
3560 info = rk_fb->fb[dev_drv->fb_index_base];
3561 info->var.grayscale &= 0xff;
3562 info->var.grayscale |=
3563 (dev_drv->cur_screen->mode.xres << 8) +
3564 (dev_drv->cur_screen->mode.yres << 20);
3565 mutex_lock(&dev_drv->win_config);
3566 info->var.xoffset = 0;
3567 info->var.yoffset = 0;
3568 info->fbops->fb_set_par(info);
3569 info->fbops->fb_pan_display(&info->var, info);
3570 mutex_unlock(&dev_drv->win_config);
3573 * if currently is loader display, black until new
3576 if (dev_drv->uboot_logo) {
3577 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3578 if (dev_drv->win[i] && dev_drv->win[i]->state &&
3579 dev_drv->ops->win_direct_en)
3580 dev_drv->ops->win_direct_en(dev_drv, i, 0);
3584 /*if (dev_drv->ops->dsp_black)
3585 * dev_drv->ops->dsp_black(dev_drv, 0);
3587 if ((dev_drv->ops->backlight_close) &&
3588 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3589 dev_drv->ops->backlight_close(dev_drv, 0);
3590 } else if (rk_fb->num_lcdc > 1) {
3591 /* If there is more than one lcdc device, we disable
3592 * the layer which attached to this device
3594 dev_drv->suspend_flag = 1;
3595 flush_kthread_worker(&dev_drv->update_regs_worker);
3596 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3597 if (dev_drv->win[i] && dev_drv->win[i]->state)
3598 dev_drv->ops->open(dev_drv, i, 0);
3601 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3603 hdmi_switch_state = 0;
3604 dev_drv->hdmi_switch = 0;
3605 mutex_unlock(&dev_drv->switch_screen);
3608 if (dev_drv->uboot_logo) {
3609 if (dev_drv->cur_screen->mode.xres !=
3610 screen->mode.xres ||
3611 dev_drv->cur_screen->mode.yres !=
3615 if (dev_drv->screen1)
3616 dev_drv->cur_screen = dev_drv->screen1;
3618 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3619 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3620 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3621 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3622 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3624 if (!dev_drv->uboot_logo || load_screen ||
3625 (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3626 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3627 info = rk_fb->fb[dev_drv->fb_index_base + i];
3628 fb_par = (struct rk_fb_par *)info->par;
3629 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3630 win = dev_drv->win[win_id];
3631 if (win && fb_par->state) {
3632 dev_drv->ops->load_screen(dev_drv, 1);
3634 info->var.activate |= FB_ACTIVATE_FORCE;
3635 if (rk_fb->disp_mode == ONE_DUAL) {
3636 info->var.grayscale &= 0xff;
3637 info->var.grayscale |=
3638 (dev_drv->cur_screen->xsize << 8) +
3639 (dev_drv->cur_screen->ysize << 20);
3641 if (dev_drv->uboot_logo && win->state) {
3642 if (win->area[0].xpos ||
3643 win->area[0].ypos) {
3645 (screen->mode.xres -
3646 win->area[0].xsize) / 2;
3648 (screen->mode.yres -
3649 win->area[0].ysize) / 2;
3651 win->area[0].xsize =
3653 win->area[0].ysize =
3656 dev_drv->ops->set_par(dev_drv, i);
3657 dev_drv->ops->cfg_done(dev_drv);
3658 } else if (!dev_drv->win[win_id]->state) {
3659 dev_drv->ops->open(dev_drv, win_id, 1);
3660 dev_drv->suspend_flag = 0;
3661 mutex_lock(&dev_drv->win_config);
3662 info->var.xoffset = 0;
3663 info->var.yoffset = 0;
3664 info->fbops->fb_set_par(info);
3665 info->fbops->fb_pan_display(&info->var,
3667 mutex_unlock(&dev_drv->win_config);
3672 dev_drv->ops->load_screen(dev_drv, 0);
3674 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3676 hdmi_switch_state = 1;
3678 dev_drv->hdmi_switch = 0;
3679 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3680 if ((dev_drv->ops->set_screen_scaler) &&
3681 (rk_fb->disp_mode == ONE_DUAL))
3682 dev_drv->ops->set_screen_scaler(dev_drv,
3683 dev_drv->screen0, 1);
3684 /*if (dev_drv->ops->dsp_black)
3685 * dev_drv->ops->dsp_black(dev_drv, 0);*/
3686 if ((dev_drv->ops->backlight_close) &&
3687 (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3688 (rk_fb->disp_mode == ONE_DUAL))
3689 dev_drv->ops->backlight_close(dev_drv, 0);
3691 mutex_unlock(&dev_drv->switch_screen);
3696 * function:this function current only called by hdmi for
3698 * scale_x: scale rate of x resolution
3699 * scale_y: scale rate of y resolution
3700 * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3702 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3704 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3705 struct fb_info *info = NULL;
3706 struct fb_info *pmy_info = NULL;
3707 struct fb_var_screeninfo *var = NULL;
3708 struct rk_lcdc_driver *dev_drv = NULL;
3709 u16 screen_x, screen_y;
3712 struct rk_screen primary_screen;
3714 rk_fb_get_prmry_screen(&primary_screen);
3715 if (primary_screen.type == SCREEN_HDMI)
3718 pr_err("should not be here--%s\n", __func__);
3721 sprintf(name, "lcdc%d", lcdc_id);
3723 if (inf->disp_mode == DUAL) {
3724 dev_drv = rk_get_lcdc_drv(name);
3726 pr_err("%s driver not found!", name);
3730 dev_drv = inf->lcdc_dev_drv[0];
3733 if (inf->num_lcdc == 1) {
3735 } else if (inf->num_lcdc == 2) {
3736 info = inf->fb[dev_drv->lcdc_win_num];
3737 pmy_info = inf->fb[0];
3741 screen_x = dev_drv->cur_screen->mode.xres;
3742 screen_y = dev_drv->cur_screen->mode.yres;
3744 if (inf->disp_mode != DUAL && dev_drv->screen1) {
3745 dev_drv->cur_screen->xpos =
3746 (screen_x - screen_x * scale_x / 100) >> 1;
3747 dev_drv->cur_screen->ypos =
3748 (screen_y - screen_y * scale_y / 100) >> 1;
3749 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3750 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3752 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3753 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3754 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3755 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3756 if (inf->disp_mode == ONE_DUAL) {
3757 var->nonstd &= 0xff;
3758 var->nonstd |= (xpos << 8) + (ypos << 20);
3759 var->grayscale &= 0xff;
3761 (dev_drv->cur_screen->xsize << 8) +
3762 (dev_drv->cur_screen->ysize << 20);
3766 mutex_lock(&dev_drv->win_config);
3767 info->fbops->fb_set_par(info);
3768 dev_drv->ops->cfg_done(dev_drv);
3769 mutex_unlock(&dev_drv->win_config);
3774 #if defined(CONFIG_ION_ROCKCHIP)
3775 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3776 struct rk_lcdc_win *win,
3777 unsigned long fb_mem_size)
3779 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3780 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3781 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3782 struct ion_handle *handle;
3783 ion_phys_addr_t phy_addr;
3787 if (dev_drv->iommu_enabled)
3788 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3789 ION_HEAP_SYSTEM_MASK, 0);
3791 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3792 ION_HEAP_TYPE_DMA_MASK, 0);
3794 if (IS_ERR(handle)) {
3795 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3800 fb_par->ion_hdl = handle;
3801 win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3802 if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3803 pr_info("ion_share_dma_buf() failed\n");
3804 goto err_share_dma_buf;
3806 win->area[0].ion_hdl = handle;
3807 if (dev_drv->prop == PRMRY)
3808 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3809 if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3810 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3811 (unsigned long *)&phy_addr,
3812 (unsigned long *)&len);
3814 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3816 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3817 goto err_share_dma_buf;
3819 fbi->fix.smem_start = phy_addr;
3820 fbi->fix.smem_len = len;
3821 pr_info("alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3825 ion_free(rk_fb->ion_client, handle);
3830 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3832 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3833 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3834 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3835 struct rk_lcdc_win *win = NULL;
3838 unsigned long fb_mem_size;
3839 #if !defined(CONFIG_ION_ROCKCHIP)
3840 dma_addr_t fb_mem_phys;
3843 ion_phys_addr_t phy_addr;
3846 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3850 win = dev_drv->win[win_id];
3852 if (!strcmp(fbi->fix.id, "fb0")) {
3853 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3854 #if defined(CONFIG_ION_ROCKCHIP)
3855 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3858 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3859 &fb_mem_phys, GFP_KERNEL);
3861 pr_err("%s: Failed to allocate framebuffer\n",
3865 fbi->fix.smem_len = fb_mem_size;
3866 fbi->fix.smem_start = fb_mem_phys;
3867 fbi->screen_base = fb_mem_virt;
3869 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3871 if (dev_drv->prop == EXTEND && dev_drv->iommu_enabled) {
3872 struct rk_lcdc_driver *dev_drv_prmry;
3875 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3876 #if defined(CONFIG_ION_ROCKCHIP)
3877 dev_drv_prmry = rk_get_prmry_lcdc_drv();
3878 if (dev_drv_prmry == NULL)
3881 dev_drv_prmry->ops->fb_get_win_id(dev_drv_prmry,
3883 if (win_id_prmry < 0)
3887 dev_drv_prmry->win[win_id_prmry]->area[0].ion_hdl;
3889 ion_map_kernel(rk_fb->ion_client,
3891 dev_drv->win[win_id]->area[0].ion_hdl =
3893 if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3894 ret = ion_map_iommu(dev_drv->dev,
3897 (unsigned long *)&phy_addr,
3898 (unsigned long *)&len);
3900 ret = ion_phys(rk_fb->ion_client,
3904 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3907 fbi->fix.smem_start = phy_addr;
3908 fbi->fix.smem_len = len;
3910 fb_mem_virt = dma_alloc_writecombine(fbi->dev,
3915 pr_err("%s: Failed to allocate framebuffer\n",
3919 fbi->fix.smem_len = fb_mem_size;
3920 fbi->fix.smem_start = fb_mem_phys;
3921 fbi->screen_base = fb_mem_virt;
3924 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3925 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3926 fbi->screen_base = rk_fb->fb[0]->screen_base;
3930 fbi->screen_size = fbi->fix.smem_len;
3931 fb_par->fb_phy_base = fbi->fix.smem_start;
3932 fb_par->fb_virt_base = fbi->screen_base;
3933 fb_par->fb_size = fbi->fix.smem_len;
3935 pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3936 fbi->fix.smem_start, fbi->screen_base,
3942 static int rk_release_fb_buffer(struct fb_info *fbi)
3944 /* buffer for fb1 and fb3 are alloc by android */
3945 if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3947 iounmap(fbi->screen_base);
3948 release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3953 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3954 struct rk_lcdc_win *def_win)
3957 int lcdc_win_num = dev_drv->lcdc_win_num;
3959 for (i = 0; i < lcdc_win_num; i++) {
3960 struct rk_lcdc_win *win = NULL;
3962 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3964 dev_err(dev_drv->dev, "kzmalloc for win fail!");
3968 strcpy(win->name, def_win[i].name);
3969 win->id = def_win[i].id;
3970 win->support_3d = def_win[i].support_3d;
3971 win->property.feature = def_win[i].property.feature;
3972 win->property.max_input_x = def_win[i].property.max_input_x;
3973 win->property.max_input_y = def_win[i].property.max_input_y;
3974 dev_drv->win[i] = win;
3980 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3981 struct rk_lcdc_win *def_win, int index)
3983 struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3984 struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3985 sizeof(struct rk_screen),
3990 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3995 screen->screen_id = 0;
3996 screen->lcdc_id = dev_drv->id;
3997 screen->overscan.left = 100;
3998 screen->overscan.top = 100;
3999 screen->overscan.right = 100;
4000 screen->overscan.bottom = 100;
4002 screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
4003 screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
4005 dev_drv->screen0 = screen;
4006 dev_drv->cur_screen = screen;
4007 /* devie use one lcdc + rk61x scaler for dual display */
4008 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
4009 struct rk_screen *screen1 =
4010 devm_kzalloc(dev_drv->dev,
4011 sizeof(struct rk_screen),
4014 dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
4018 screen1->screen_id = 1;
4019 screen1->lcdc_id = 1;
4020 dev_drv->screen1 = screen1;
4022 sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
4023 init_lcdc_win(dev_drv, def_win);
4024 init_completion(&dev_drv->frame_done);
4025 spin_lock_init(&dev_drv->cpl_lock);
4026 mutex_init(&dev_drv->fb_win_id_mutex);
4027 mutex_init(&dev_drv->win_config);
4028 mutex_init(&dev_drv->front_lock);
4029 mutex_init(&dev_drv->switch_screen);
4030 dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
4031 dev_drv->first_frame = 1;
4032 dev_drv->overscan.left = 100;
4033 dev_drv->overscan.top = 100;
4034 dev_drv->overscan.right = 100;
4035 dev_drv->overscan.bottom = 100;
4036 for (i = 0; i < RK30_MAX_LAYER_SUPPORT; i++)
4037 dev_drv->area_support[i] = 1;
4038 if (dev_drv->ops->area_support_num)
4039 dev_drv->ops->area_support_num(dev_drv, dev_drv->area_support);
4040 rk_disp_pwr_ctr_parse_dt(dev_drv);
4041 if (dev_drv->prop == PRMRY) {
4042 rk_fb_set_prmry_screen(screen);
4043 rk_fb_get_prmry_screen(screen);
4045 dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
4046 if (dev_drv->prop != PRMRY)
4047 rk_fb_get_extern_screen(screen);
4048 dev_drv->output_color = screen->color_mode;
4053 #ifdef CONFIG_LOGO_LINUX_BMP
4054 static struct linux_logo *bmp_logo;
4055 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
4057 bmp_logo = fb_find_logo(24);
4058 if (bmp_logo == NULL) {
4059 pr_info("%s error\n", __func__);
4065 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
4067 unsigned char *src = bmp_logo->data;
4068 unsigned char *dst = info->screen_base;
4070 unsigned int needwidth = (*(src - 24) << 8) | (*(src - 23));
4071 unsigned int needheight = (*(src - 22) << 8) | (*(src - 21));
4073 for (i = 0; i < needheight; i++)
4074 memcpy(dst + info->var.xres * i * 4,
4075 src + bmp_logo->width * i * 4, needwidth * 4);
4080 * check if the primary lcdc has registered,
4081 * the primary lcdc mas register first
4083 bool is_prmry_rk_lcdc_registered(void)
4085 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4087 if (rk_fb->lcdc_dev_drv[0])
4093 __weak phys_addr_t uboot_logo_base;
4094 __weak phys_addr_t uboot_logo_size;
4095 __weak phys_addr_t uboot_logo_offset;
4097 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
4098 struct rk_lcdc_win *win, int id)
4100 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4101 struct fb_info *fbi;
4102 struct rk_fb_par *fb_par = NULL;
4103 int i = 0, ret = 0, index = 0;
4104 unsigned long flags;
4106 if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
4109 for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
4110 if (!rk_fb->lcdc_dev_drv[i]) {
4111 rk_fb->lcdc_dev_drv[i] = dev_drv;
4112 rk_fb->lcdc_dev_drv[i]->id = id;
4119 init_lcdc_device_driver(rk_fb, win, index);
4120 dev_drv->fb_index_base = rk_fb->num_fb;
4121 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
4122 fbi = framebuffer_alloc(0, &fb_pdev->dev);
4124 dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
4127 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
4130 dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
4134 fb_par->id = rk_fb->num_fb;
4135 fb_par->lcdc_drv = dev_drv;
4136 fbi->par = (void *)fb_par;
4139 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
4140 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
4141 fbi->var.grayscale |=
4142 (fbi->var.xres << 8) + (fbi->var.yres << 20);
4143 #if defined(CONFIG_LOGO_LINUX_BMP)
4144 fbi->var.bits_per_pixel = 32;
4146 fbi->var.bits_per_pixel = 16;
4148 fbi->fix.line_length =
4149 (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
4150 fbi->var.width = dev_drv->cur_screen->width;
4151 fbi->var.height = dev_drv->cur_screen->height;
4152 if (dev_drv->iommu_enabled)
4153 fb_ops.fb_mmap = rk_fb_mmap;
4154 fbi->fbops = &fb_ops;
4155 fbi->flags = FBINFO_FLAG_DEFAULT;
4156 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
4157 ret = register_framebuffer(fbi);
4159 dev_err(&fb_pdev->dev,
4160 "%s fb%d register_framebuffer fail!\n",
4161 __func__, rk_fb->num_fb);
4164 rkfb_create_sysfs(fbi);
4165 rk_fb->fb[rk_fb->num_fb] = fbi;
4166 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
4171 init_waitqueue_head(&dev_drv->vsync_info.wait);
4172 init_waitqueue_head(&dev_drv->update_regs_wait);
4173 ret = device_create_file(fbi->dev, &dev_attr_vsync);
4176 "failed to create vsync file\n");
4177 dev_drv->vsync_info.thread =
4178 kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
4180 if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
4182 "failed to run vsync thread\n");
4183 dev_drv->vsync_info.thread = NULL;
4185 dev_drv->vsync_info.active = 1;
4187 mutex_init(&dev_drv->output_lock);
4189 INIT_LIST_HEAD(&dev_drv->update_regs_list);
4190 mutex_init(&dev_drv->update_regs_list_lock);
4191 init_kthread_worker(&dev_drv->update_regs_worker);
4193 dev_drv->update_regs_thread =
4194 kthread_run(kthread_worker_fn,
4195 &dev_drv->update_regs_worker, "rk-fb");
4196 if (IS_ERR(dev_drv->update_regs_thread)) {
4197 int err = PTR_ERR(dev_drv->update_regs_thread);
4199 dev_drv->update_regs_thread = NULL;
4200 pr_info("failed to run update_regs thread\n");
4203 init_kthread_work(&dev_drv->update_regs_work,
4204 rk_fb_update_regs_handler);
4207 sw_sync_timeline_create("fb-timeline");
4208 dev_drv->timeline_max = 1;
4212 /* show logo for primary display device */
4213 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
4214 if (dev_drv->prop == PRMRY) {
4218 struct fb_info *main_fbi = rk_fb->fb[0];
4220 main_fbi->fbops->fb_open(main_fbi, 1);
4221 main_fbi->var.pixclock = dev_drv->pixclock;
4222 if (dev_drv->iommu_enabled) {
4223 if (dev_drv->mmu_dev)
4224 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4225 rk_fb_sysmmu_fault_handler);
4228 rk_fb_alloc_buffer(main_fbi); /* only alloc memory for main fb */
4229 dev_drv->uboot_logo = support_uboot_display();
4231 if (dev_drv->uboot_logo &&
4232 uboot_logo_offset && uboot_logo_base) {
4233 int width, height, bits, xvir;
4234 phys_addr_t start = uboot_logo_base + uboot_logo_offset;
4235 unsigned int size = uboot_logo_size - uboot_logo_offset;
4236 unsigned int nr_pages;
4238 struct page **pages;
4242 if (dev_drv->ops->get_dspbuf_info)
4243 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4244 &yact, &format, &dsp_addr, &ymirror);
4245 nr_pages = size >> PAGE_SHIFT;
4246 pages = kzalloc(sizeof(struct page) * nr_pages,
4248 while (i < nr_pages) {
4249 pages[i] = phys_to_page(start);
4253 vaddr = vmap(pages, nr_pages, VM_MAP,
4254 pgprot_writecombine(PAGE_KERNEL));
4256 pr_err("failed to vmap phy addr 0x%lx\n",
4257 (long)(uboot_logo_base +
4258 uboot_logo_offset));
4262 if (bmpdecoder(vaddr, main_fbi->screen_base, &width,
4270 if (dev_drv->uboot_logo &&
4271 (width != xact || height != yact)) {
4272 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
4273 xact, yact, width, height);
4276 xvir = ALIGN(width * bits, 1 << 5) >> 5;
4278 local_irq_save(flags);
4279 if (dev_drv->ops->wait_frame_start)
4280 dev_drv->ops->wait_frame_start(dev_drv, 0);
4281 if (dev_drv->ops->post_dspbuf) {
4282 dev_drv->ops->post_dspbuf(dev_drv,
4283 main_fbi->fix.smem_start,
4284 rk_fb_data_fmt(0, bits),
4285 width, height, xvir,
4288 if (dev_drv->iommu_enabled) {
4289 rk_fb_poll_wait_frame_complete();
4290 if (dev_drv->ops->mmu_en)
4291 dev_drv->ops->mmu_en(dev_drv);
4294 local_irq_restore(flags);
4296 } else if (dev_drv->uboot_logo && uboot_logo_base) {
4297 u32 start = uboot_logo_base;
4298 int logo_len, i = 0;
4300 unsigned int nr_pages;
4301 struct page **pages;
4303 int align = 0, xvir;
4305 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4309 logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
4310 if (logo_len > uboot_logo_size ||
4311 logo_len > main_fbi->fix.smem_len) {
4312 pr_err("logo size > uboot reserve buffer size\n");
4318 align = start % PAGE_SIZE;
4320 nr_pages = PAGE_ALIGN(logo_len + align) >> PAGE_SHIFT;
4321 pages = kzalloc(sizeof(struct page) * nr_pages,
4323 while (i < nr_pages) {
4324 pages[i] = phys_to_page(start);
4328 vaddr = vmap(pages, nr_pages, VM_MAP,
4329 pgprot_writecombine(PAGE_KERNEL));
4331 pr_err("failed to vmap phy addr 0x%x\n",
4336 memcpy(main_fbi->screen_base, vaddr + align, logo_len);
4340 xvir = ALIGN(xact * rk_fb_pixel_width(format),
4342 local_irq_save(flags);
4343 if (dev_drv->ops->wait_frame_start)
4344 dev_drv->ops->wait_frame_start(dev_drv, 0);
4345 dev_drv->ops->post_dspbuf(dev_drv,
4346 main_fbi->fix.smem_start +
4347 (y_mirror ? logo_len : 0),
4351 if (dev_drv->iommu_enabled) {
4352 rk_fb_poll_wait_frame_complete();
4353 if (dev_drv->ops->mmu_en)
4354 dev_drv->ops->mmu_en(dev_drv);
4357 local_irq_restore(flags);
4360 if (dev_drv->iommu_enabled) {
4361 if (dev_drv->ops->mmu_en)
4362 dev_drv->ops->mmu_en(dev_drv);
4366 #if defined(CONFIG_LOGO)
4367 main_fbi->fbops->fb_set_par(main_fbi);
4368 #if defined(CONFIG_LOGO_LINUX_BMP)
4369 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
4370 fb_set_cmap(&main_fbi->cmap, main_fbi);
4371 fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
4374 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
4375 fb_set_cmap(&main_fbi->cmap, main_fbi);
4376 fb_show_logo(main_fbi, FB_ROTATE_UR);
4379 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
4382 struct fb_info *extend_fbi = rk_fb->fb[dev_drv->fb_index_base];
4384 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
4385 extend_fbi->fbops->fb_open(extend_fbi, 1);
4386 if (dev_drv->iommu_enabled) {
4387 if (dev_drv->mmu_dev)
4388 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4389 rk_fb_sysmmu_fault_handler);
4391 rk_fb_alloc_buffer(extend_fbi);
4397 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
4399 struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
4400 struct fb_info *fbi;
4401 int fb_index_base = dev_drv->fb_index_base;
4402 int fb_num = dev_drv->lcdc_win_num;
4405 if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4406 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4407 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4410 for (i = 0; i < fb_num; i++)
4411 kfree(dev_drv->win[i]);
4413 for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4414 fbi = fb_inf->fb[i];
4415 unregister_framebuffer(fbi);
4416 /* rk_release_fb_buffer(fbi); */
4417 framebuffer_release(fbi);
4419 fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4425 static int rk_fb_probe(struct platform_device *pdev)
4427 struct rk_fb *rk_fb = NULL;
4428 struct device_node *np = pdev->dev.of_node;
4432 dev_err(&pdev->dev, "Missing device tree node.\n");
4436 rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4438 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4441 platform_set_drvdata(pdev, rk_fb);
4443 if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4444 rk_fb->disp_mode = mode;
4447 dev_err(&pdev->dev, "no disp-mode node found!");
4451 if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
4452 rk_fb->disp_policy = mode;
4453 pr_info("fb disp policy is %s\n",
4454 rk_fb->disp_policy ? "box" : "sdk");
4457 if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4458 pr_info("uboot-logo-on:%d\n", uboot_logo_on);
4460 dev_set_name(&pdev->dev, "rockchip-fb");
4461 #if defined(CONFIG_ION_ROCKCHIP)
4462 rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4463 if (IS_ERR(rk_fb->ion_client)) {
4464 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4465 return PTR_ERR(rk_fb->ion_client);
4467 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4472 dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4476 static int rk_fb_remove(struct platform_device *pdev)
4478 platform_set_drvdata(pdev, NULL);
4482 static void rk_fb_shutdown(struct platform_device *pdev)
4484 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4487 for (i = 0; i < rk_fb->num_lcdc; i++) {
4488 if (!rk_fb->lcdc_dev_drv[i])
4490 sw_sync_timeline_inc(rk_fb->lcdc_dev_drv[i]->timeline, 1);
4494 static const struct of_device_id rkfb_dt_ids[] = {
4495 {.compatible = "rockchip,rk-fb",},
4499 static struct platform_driver rk_fb_driver = {
4500 .probe = rk_fb_probe,
4501 .remove = rk_fb_remove,
4504 .owner = THIS_MODULE,
4505 .of_match_table = of_match_ptr(rkfb_dt_ids),
4507 .shutdown = rk_fb_shutdown,
4510 static int __init rk_fb_init(void)
4512 return platform_driver_register(&rk_fb_driver);
4515 static void __exit rk_fb_exit(void)
4517 platform_driver_unregister(&rk_fb_driver);
4520 fs_initcall(rk_fb_init);
4521 module_exit(rk_fb_exit);