2 * drivers/video/rockchip/rk_fb.c
4 * Copyright (C) ROCKCHIP, Inc.
5 * Author:yxj<yxj@rock-chips.com>
6 * This software is licensed under the terms of the GNU General Public
7 * License version 2, as published by the Free Software Foundation, and
8 * may be copied, distributed, and modified under those terms.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
16 #include <linux/module.h>
17 #include <linux/kernel.h>
18 #include <linux/errno.h>
19 #include <linux/string.h>
21 #include <linux/slab.h>
22 #include <linux/delay.h>
23 #include <linux/device.h>
24 #include <linux/kthread.h>
26 #include <linux/init.h>
27 #include <linux/vmalloc.h>
28 #include <asm/div64.h>
29 #include <linux/uaccess.h>
30 #include <linux/rk_fb.h>
31 #include <linux/linux_logo.h>
32 #include <linux/dma-mapping.h>
33 #include <linux/regulator/consumer.h>
35 #include "bmp_helper.h"
37 #if defined(CONFIG_RK_HDMI)
38 #include "hdmi/rockchip-hdmi.h"
41 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
47 #include <linux/of_platform.h>
48 #include <linux/of_gpio.h>
49 #include <video/of_display_timing.h>
50 #include <video/display_timing.h>
51 #include <dt-bindings/rkfb/rk_fb.h>
54 #if defined(CONFIG_ION_ROCKCHIP)
55 #include <linux/rockchip_ion.h>
56 #include <linux/rockchip-iovmm.h>
57 #include <linux/dma-buf.h>
58 #include <linux/highmem.h>
62 /* #define FB_ROATE_BY_KERNEL 1 */
64 static int hdmi_switch_state;
65 static struct platform_device *fb_pdev;
67 #if defined(CONFIG_FB_MIRRORING)
68 int (*video_data_to_mirroring) (struct fb_info *info, u32 yuv_phy[2]);
69 EXPORT_SYMBOL(video_data_to_mirroring);
72 extern phys_addr_t uboot_logo_base;
73 extern phys_addr_t uboot_logo_size;
74 extern phys_addr_t uboot_logo_offset;
75 static struct rk_fb_trsm_ops *trsm_lvds_ops;
76 static struct rk_fb_trsm_ops *trsm_edp_ops;
77 static struct rk_fb_trsm_ops *trsm_mipi_ops;
78 static int uboot_logo_on;
80 static int rk_fb_debug_lvl;
81 static int rk_fb_iommu_debug = 1;
82 module_param(rk_fb_debug_lvl, int, S_IRUGO | S_IWUSR);
83 module_param(rk_fb_iommu_debug, int, S_IRUGO | S_IWUSR);
85 #define fb_dbg(level, x...) do { \
86 if (unlikely(rk_fb_debug_lvl >= level)) \
87 printk(KERN_INFO x); \
89 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
90 struct rk_fb_win_cfg_data *win_data,
91 struct rk_fb_reg_data *regs, u32 cmd);
92 int support_uboot_display(void)
97 int rk_fb_get_display_policy(void)
102 rk_fb = platform_get_drvdata(fb_pdev);
103 return rk_fb->disp_policy;
105 return DISPLAY_POLICY_SDK;
109 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
114 case SCREEN_DUAL_LVDS:
115 case SCREEN_LVDS_10BIT:
116 case SCREEN_DUAL_LVDS_10BIT:
123 case SCREEN_DUAL_MIPI:
127 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
134 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
136 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 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
161 int rk_fb_pixel_width(int data_format)
164 switch (data_format) {
192 printk(KERN_WARNING "%s:un supported format:0x%x\n",
193 __func__, data_format);
199 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
203 switch (data_format) {
204 case HAL_PIXEL_FORMAT_RGBX_8888:
205 fb_data_fmt = XBGR888;
207 case HAL_PIXEL_FORMAT_RGBA_8888:
208 fb_data_fmt = ABGR888;
210 case HAL_PIXEL_FORMAT_BGRA_8888:
211 fb_data_fmt = ARGB888;
213 case HAL_PIXEL_FORMAT_RGB_888:
214 fb_data_fmt = RGB888;
216 case HAL_PIXEL_FORMAT_RGB_565:
217 fb_data_fmt = RGB565;
219 case HAL_PIXEL_FORMAT_YCbCr_422_SP: /* yuv422 */
220 fb_data_fmt = YUV422;
222 case HAL_PIXEL_FORMAT_YCrCb_420_SP: /* YUV420---vuvuvu */
223 fb_data_fmt = YUV420_NV21;
225 case HAL_PIXEL_FORMAT_YCrCb_NV12: /* YUV420---uvuvuv */
226 fb_data_fmt = YUV420;
228 case HAL_PIXEL_FORMAT_YCrCb_444: /* yuv444 */
229 fb_data_fmt = YUV444;
231 case HAL_PIXEL_FORMAT_YCrCb_NV12_10: /* yuv444 */
232 fb_data_fmt = YUV420_A;
234 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10: /* yuv444 */
235 fb_data_fmt = YUV422_A;
237 case HAL_PIXEL_FORMAT_YCrCb_420_SP_10: /* yuv444 */
238 fb_data_fmt = YUV444_A;
240 case HAL_PIXEL_FORMAT_FBDC_RGB565: /* fbdc rgb565*/
241 fb_data_fmt = FBDC_RGB_565;
243 case HAL_PIXEL_FORMAT_FBDC_U8U8U8U8: /* fbdc argb888 */
244 fb_data_fmt = FBDC_ARGB_888;
246 case HAL_PIXEL_FORMAT_FBDC_RGBA888: /* fbdc abgr888 */
247 fb_data_fmt = FBDC_ABGR_888;
249 case HAL_PIXEL_FORMAT_FBDC_U8U8U8: /* fbdc rgb888 */
250 fb_data_fmt = FBDC_RGBX_888;
253 printk(KERN_WARNING "%s:un supported format:0x%x\n",
254 __func__, data_format);
258 switch (bits_per_pixel) {
260 fb_data_fmt = ARGB888;
263 fb_data_fmt = RGB888;
266 fb_data_fmt = RGB565;
270 "%s:un supported bits_per_pixel:%d\n", __func__,
279 * rk display power control parse from dts
281 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
283 struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
285 struct device_node *child;
286 struct rk_disp_pwr_ctr_list *pwr_ctr;
287 struct list_head *pos;
288 enum of_gpio_flags flags;
293 INIT_LIST_HEAD(&dev_drv->pwrlist_head);
295 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
300 for_each_child_of_node(root, child) {
301 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
303 strcpy(pwr_ctr->pwr_ctr.name, child->name);
304 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
306 pwr_ctr->pwr_ctr.type = GPIO;
307 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
308 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
309 dev_err(dev_drv->dev, "%s ivalid gpio\n",
313 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
314 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
317 dev_err(dev_drv->dev,
318 "request %s gpio fail:%d\n",
323 pwr_ctr->pwr_ctr.type = REGULATOR;
324 pwr_ctr->pwr_ctr.rgl_name = NULL;
325 ret = of_property_read_string(child, "rockchip,regulator_name",
326 &(pwr_ctr->pwr_ctr.rgl_name));
327 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
328 dev_err(dev_drv->dev, "get regulator name failed!\n");
329 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
330 pwr_ctr->pwr_ctr.volt = val;
332 pwr_ctr->pwr_ctr.volt = 0;
336 if (!of_property_read_u32(child, "rockchip,delay", &val))
337 pwr_ctr->pwr_ctr.delay = val;
339 pwr_ctr->pwr_ctr.delay = 0;
340 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
343 of_property_read_u32(root, "rockchip,debug", &debug);
346 list_for_each(pos, &dev_drv->pwrlist_head) {
347 pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
349 printk(KERN_INFO "pwr_ctr_name:%s\n"
354 pwr_ctr->pwr_ctr.name,
355 (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
356 pwr_ctr->pwr_ctr.gpio,
357 pwr_ctr->pwr_ctr.atv_val,
358 pwr_ctr->pwr_ctr.delay);
366 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
368 struct list_head *pos;
369 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
370 struct pwr_ctr *pwr_ctr;
371 struct regulator *regulator_lcd = NULL;
374 if (list_empty(&dev_drv->pwrlist_head))
376 list_for_each(pos, &dev_drv->pwrlist_head) {
377 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
379 pwr_ctr = &pwr_ctr_list->pwr_ctr;
380 if (pwr_ctr->type == GPIO) {
381 gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
382 mdelay(pwr_ctr->delay);
383 } else if (pwr_ctr->type == REGULATOR) {
384 if (pwr_ctr->rgl_name)
385 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
386 if (regulator_lcd == NULL) {
387 dev_err(dev_drv->dev,
388 "%s: regulator get failed,regulator name:%s\n",
389 __func__, pwr_ctr->rgl_name);
392 regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
393 while (!regulator_is_enabled(regulator_lcd)) {
394 if (regulator_enable(regulator_lcd) == 0 || count == 0)
397 dev_err(dev_drv->dev,
398 "regulator_enable failed,count=%d\n",
402 regulator_put(regulator_lcd);
403 msleep(pwr_ctr->delay);
410 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
412 struct list_head *pos;
413 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
414 struct pwr_ctr *pwr_ctr;
415 struct regulator *regulator_lcd = NULL;
418 if (list_empty(&dev_drv->pwrlist_head))
420 list_for_each(pos, &dev_drv->pwrlist_head) {
421 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
423 pwr_ctr = &pwr_ctr_list->pwr_ctr;
424 if (pwr_ctr->type == GPIO) {
425 gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
426 } else if (pwr_ctr->type == REGULATOR) {
427 if (pwr_ctr->rgl_name)
428 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
429 if (regulator_lcd == NULL) {
430 dev_err(dev_drv->dev,
431 "%s: regulator get failed,regulator name:%s\n",
432 __func__, pwr_ctr->rgl_name);
435 while (regulator_is_enabled(regulator_lcd) > 0) {
436 if (regulator_disable(regulator_lcd) == 0 || count == 0)
439 dev_err(dev_drv->dev,
440 "regulator_disable failed,count=%d\n",
444 regulator_put(regulator_lcd);
450 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
451 struct rk_screen *screen)
453 screen->mode.pixclock = dt->pixelclock.typ;
454 screen->mode.left_margin = dt->hback_porch.typ;
455 screen->mode.right_margin = dt->hfront_porch.typ;
456 screen->mode.xres = dt->hactive.typ;
457 screen->mode.hsync_len = dt->hsync_len.typ;
458 screen->mode.upper_margin = dt->vback_porch.typ;
459 screen->mode.lower_margin = dt->vfront_porch.typ;
460 screen->mode.yres = dt->vactive.typ;
461 screen->mode.vsync_len = dt->vsync_len.typ;
462 screen->type = dt->screen_type;
463 screen->lvds_format = dt->lvds_format;
464 screen->face = dt->face;
465 screen->color_mode = dt->color_mode;
466 screen->dsp_lut = dt->dsp_lut;
467 screen->cabc_lut = dt->cabc_lut;
468 screen->cabc_gamma_base = dt->cabc_gamma_base;
470 if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
471 screen->pin_dclk = 1;
473 screen->pin_dclk = 0;
474 if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
475 screen->pin_hsync = 1;
477 screen->pin_hsync = 0;
478 if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
479 screen->pin_vsync = 1;
481 screen->pin_vsync = 0;
482 if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
491 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
493 struct display_timings *disp_timing;
494 struct display_timing *dt;
495 disp_timing = of_get_display_timings(np);
497 pr_err("parse display timing err\n");
500 dt = display_timings_get(disp_timing, disp_timing->native_mode);
501 rk_fb_video_mode_from_timing(dt, screen);
506 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
509 unsigned long long hz;
511 printk(KERN_ERR "%s:null screen!\n", __func__);
514 x = screen->mode.xres + screen->mode.left_margin +
515 screen->mode.right_margin + screen->mode.hsync_len;
516 y = screen->mode.yres + screen->mode.upper_margin +
517 screen->mode.lower_margin + screen->mode.vsync_len;
519 hz = 1000000000000ULL; /* 1e12 picoseconds per second */
522 do_div(hz, x * y); /* divide by x * y with rounding */
525 do_div(hz, pixclock); /* divide by pixclock with rounding */
530 char *get_format_string(enum data_format format, char *fmt)
536 strcpy(fmt, "ARGB888");
539 strcpy(fmt, "RGB888");
542 strcpy(fmt, "RGB565");
546 strcpy(fmt, "YUV420");
549 strcpy(fmt, "YUV422");
552 strcpy(fmt, "YUV444");
555 strcpy(fmt, "YUV420_A");
558 strcpy(fmt, "YUV422_A");
561 strcpy(fmt, "YUV444_A");
564 strcpy(fmt, "XRGB888");
567 strcpy(fmt, "XBGR888");
570 strcpy(fmt, "ABGR888");
573 strcpy(fmt, "FBDC_RGB_565");
577 strcpy(fmt, "FBDC_ARGB_888");
580 strcpy(fmt, "FBDC_RGBX_888");
583 strcpy(fmt, "invalid");
593 * name: lcdc device name ,lcdc0 , lcdc1
595 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
597 struct rk_fb *inf = NULL;
598 struct rk_lcdc_driver *dev_drv = NULL;
602 inf = platform_get_drvdata(fb_pdev);
606 for (i = 0; i < inf->num_lcdc; i++) {
607 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
608 dev_drv = inf->lcdc_dev_drv[i];
616 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
618 struct rk_fb *inf = NULL;
619 struct rk_lcdc_driver *dev_drv = NULL;
623 inf = platform_get_drvdata(fb_pdev);
627 for (i = 0; i < inf->num_lcdc; i++) {
628 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
629 dev_drv = inf->lcdc_dev_drv[i];
637 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
639 struct rk_fb *inf = NULL;
640 struct rk_lcdc_driver *dev_drv = NULL;
644 inf = platform_get_drvdata(fb_pdev);
648 for (i = 0; i < inf->num_lcdc; i++) {
649 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
650 dev_drv = inf->lcdc_dev_drv[i];
659 * get one frame time of the prmry screen, unit: us
661 u32 rk_fb_get_prmry_screen_ft(void)
663 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
664 uint32_t htotal, vtotal, pixclock_ps;
665 u64 pix_total, ft_us;
667 if (unlikely(!dev_drv))
670 pixclock_ps = dev_drv->pixclock;
672 vtotal = (dev_drv->cur_screen->mode.upper_margin +
673 dev_drv->cur_screen->mode.lower_margin +
674 dev_drv->cur_screen->mode.yres +
675 dev_drv->cur_screen->mode.vsync_len);
676 htotal = (dev_drv->cur_screen->mode.left_margin +
677 dev_drv->cur_screen->mode.right_margin +
678 dev_drv->cur_screen->mode.xres +
679 dev_drv->cur_screen->mode.hsync_len);
680 pix_total = htotal * vtotal;
681 ft_us = pix_total * pixclock_ps;
682 do_div(ft_us, 1000000);
683 if (dev_drv->frame_time.ft == 0)
684 dev_drv->frame_time.ft = ft_us;
686 ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
688 ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
690 dev_drv->frame_time.ft = ft_us;
692 return dev_drv->frame_time.ft;
696 * get the vblanking time of the prmry screen, unit: us
698 u32 rk_fb_get_prmry_screen_vbt(void)
700 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
701 uint32_t htotal, vblank, pixclock_ps;
702 u64 pix_blank, vbt_us;
704 if (unlikely(!dev_drv))
707 pixclock_ps = dev_drv->pixclock;
709 htotal = (dev_drv->cur_screen->mode.left_margin +
710 dev_drv->cur_screen->mode.right_margin +
711 dev_drv->cur_screen->mode.xres +
712 dev_drv->cur_screen->mode.hsync_len);
713 vblank = (dev_drv->cur_screen->mode.upper_margin +
714 dev_drv->cur_screen->mode.lower_margin +
715 dev_drv->cur_screen->mode.vsync_len);
716 pix_blank = htotal * vblank;
717 vbt_us = pix_blank * pixclock_ps;
718 do_div(vbt_us, 1000000);
723 * get the frame done time of the prmry screen, unit: us
725 u64 rk_fb_get_prmry_screen_framedone_t(void)
727 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
729 if (unlikely(!dev_drv))
732 return dev_drv->frame_time.framedone_t;
736 * set prmry screen status
738 int rk_fb_set_prmry_screen_status(int status)
740 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
741 struct rk_screen *screen;
743 if (unlikely(!dev_drv))
746 screen = dev_drv->cur_screen;
748 case SCREEN_PREPARE_DDR_CHANGE:
749 if (screen->type == SCREEN_MIPI
750 || screen->type == SCREEN_DUAL_MIPI) {
751 if (dev_drv->trsm_ops->dsp_pwr_off)
752 dev_drv->trsm_ops->dsp_pwr_off();
755 case SCREEN_UNPREPARE_DDR_CHANGE:
756 if (screen->type == SCREEN_MIPI
757 || screen->type == SCREEN_DUAL_MIPI) {
758 if (dev_drv->trsm_ops->dsp_pwr_on)
759 dev_drv->trsm_ops->dsp_pwr_on();
769 u32 rk_fb_get_prmry_screen_pixclock(void)
771 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
773 if (unlikely(!dev_drv))
776 return dev_drv->pixclock;
779 int rk_fb_poll_prmry_screen_vblank(void)
781 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
783 if (likely(dev_drv)) {
784 if (dev_drv->ops->poll_vblank)
785 return dev_drv->ops->poll_vblank(dev_drv);
787 return RK_LF_STATUS_NC;
789 return RK_LF_STATUS_NC;
793 bool rk_fb_poll_wait_frame_complete(void)
795 uint32_t timeout = RK_LF_MAX_TIMEOUT;
796 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
798 if (likely(dev_drv)) {
799 if (dev_drv->ops->set_irq_to_cpu)
800 dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
803 if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
804 if (likely(dev_drv)) {
805 if (dev_drv->ops->set_irq_to_cpu)
806 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
810 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
812 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
814 if (likely(dev_drv)) {
815 if (dev_drv->ops->set_irq_to_cpu)
816 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
823 /* rk_fb_get_sysmmu_device_by_compatible()
824 * @compt: dts device compatible name
825 * return value: success: pointer to the device inside of platform device
828 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
830 struct device_node *dn = NULL;
831 struct platform_device *pd = NULL;
832 struct device *ret = NULL ;
834 dn = of_find_compatible_node(NULL, NULL, compt);
836 printk("can't find device node %s \r\n", compt);
840 pd = of_find_device_by_node(dn);
842 printk("can't find platform device in device node %s \r\n", compt);
850 #ifdef CONFIG_IOMMU_API
851 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
853 dev->archdata.iommu = sysmmu;
856 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
862 static int rk_fb_open(struct fb_info *info, int user)
864 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
865 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
868 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
870 /* if this win aready opened ,no need to reopen */
871 if (dev_drv->win[win_id]->state)
874 dev_drv->ops->open(dev_drv, win_id, 1);
878 static int rk_fb_close(struct fb_info *info, int user)
880 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
881 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
882 struct rk_lcdc_win *win = NULL;
883 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
886 win = dev_drv->win[win_id];
889 if (!fb_par->state) {
890 if (fb_par->fb_phy_base > 0)
891 info->fix.smem_start = fb_par->fb_phy_base;
892 info->var.xres = dev_drv->screen0->mode.xres;
893 info->var.yres = dev_drv->screen0->mode.yres;
895 info->var.grayscale |=
896 (info->var.xres << 8) + (info->var.yres << 20);
898 info->var.xres_virtual = info->var.xres;
899 info->var.yres_virtual = info->var.yres;
900 #if defined(CONFIG_LOGO_LINUX_BMP)
901 info->var.bits_per_pixel = 32;
903 info->var.bits_per_pixel = 16;
905 info->fix.line_length =
906 (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
907 info->var.width = dev_drv->screen0->width;
908 info->var.height = dev_drv->screen0->height;
909 info->var.pixclock = dev_drv->pixclock;
910 info->var.left_margin = dev_drv->screen0->mode.left_margin;
911 info->var.right_margin = dev_drv->screen0->mode.right_margin;
912 info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
913 info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
914 info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
915 info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
922 #if defined(FB_ROATE_BY_KERNEL)
924 #if defined(CONFIG_RK29_IPP)
925 static int get_ipp_format(int fmt)
927 int ipp_fmt = IPP_XRGB_8888;
929 case HAL_PIXEL_FORMAT_RGBX_8888:
930 case HAL_PIXEL_FORMAT_RGBA_8888:
931 case HAL_PIXEL_FORMAT_BGRA_8888:
932 case HAL_PIXEL_FORMAT_RGB_888:
933 ipp_fmt = IPP_XRGB_8888;
935 case HAL_PIXEL_FORMAT_RGB_565:
936 ipp_fmt = IPP_RGB_565;
938 case HAL_PIXEL_FORMAT_YCbCr_422_SP:
939 ipp_fmt = IPP_Y_CBCR_H2V1;
941 case HAL_PIXEL_FORMAT_YCrCb_NV12:
942 ipp_fmt = IPP_Y_CBCR_H2V2;
944 case HAL_PIXEL_FORMAT_YCrCb_444:
945 ipp_fmt = IPP_Y_CBCR_H1V1;
948 ipp_fmt = IPP_IMGTYPE_LIMIT;
955 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
956 int rotation, int fmt)
961 if (fmt == IPP_XRGB_8888) {
964 } else if (fmt == IPP_RGB_565) {
971 align16 -= 1; /*for YUV, 1 */
972 align64 -= 1; /*for YUV, 7 */
974 if (rotation == IPP_ROT_0) {
975 if (fmt > IPP_RGB_565) {
976 if ((*dst_w & 1) != 0)
978 if ((*dst_h & 1) != 0)
980 if (*dst_vir_w < *dst_w)
984 if ((*dst_w & align64) != 0)
985 *dst_w = (*dst_w + align64) & (~align64);
986 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
988 if (*dst_vir_w < *dst_w)
993 static void fb_copy_by_ipp(struct fb_info *dst_info,
994 struct fb_info *src_info)
996 struct rk29_ipp_req ipp_req;
997 uint32_t rotation = 0;
998 int dst_w, dst_h, dst_vir_w;
1000 u8 data_format = (dst_info->var.nonstd) & 0xff;
1001 struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
1002 struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
1003 u16 orientation = ext_dev_drv->rotate_mode;
1005 memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
1007 switch (orientation) {
1009 rotation = IPP_ROT_0;
1012 rotation = IPP_ROT_90;
1015 rotation = IPP_ROT_180;
1018 rotation = IPP_ROT_270;
1021 rotation = IPP_ROT_270;
1025 dst_w = dst_info->var.xres;
1026 dst_h = dst_info->var.yres;
1027 dst_vir_w = dst_info->var.xres_virtual;
1028 ipp_fmt = get_ipp_format(data_format);
1029 ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1030 ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1031 ipp_req.src0.w = src_info->var.xres;
1032 ipp_req.src0.h = src_info->var.yres;
1033 ipp_req.src_vir_w = src_info->var.xres_virtual;
1034 ipp_req.src0.fmt = ipp_fmt;
1036 ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1037 ipp_req.dst0.w = dst_w;
1038 ipp_req.dst0.h = dst_h;
1039 ipp_req.dst_vir_w = dst_vir_w;
1040 ipp_req.dst0.fmt = ipp_fmt;
1042 ipp_req.timeout = 100;
1043 ipp_req.flag = rotation;
1044 ipp_blit_sync(&ipp_req);
1049 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1050 static int get_rga_format(int fmt)
1056 rga_fmt = RK_FORMAT_RGBX_8888;
1059 rga_fmt = RK_FORMAT_RGBA_8888;
1062 rga_fmt = RK_FORMAT_BGRA_8888;
1065 rga_fmt = RK_FORMAT_RGB_888;
1068 rga_fmt = RK_FORMAT_RGB_565;
1071 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1074 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1077 rga_fmt = RK_FORMAT_RGBA_8888;
1084 static void rga_win_check(struct rk_lcdc_win *dst_win,
1085 struct rk_lcdc_win *src_win)
1089 format = get_rga_format(src_win->area[0].format);
1090 /* width and height must be even number */
1091 if (format >= RK_FORMAT_YCbCr_422_SP &&
1092 format <= RK_FORMAT_YCrCb_420_P) {
1093 if ((src_win->area[0].xact % 2) != 0)
1094 src_win->area[0].xact += 1;
1095 if ((src_win->area[0].yact % 2) != 0)
1096 src_win->area[0].yact += 1;
1098 if (src_win->area[0].xvir < src_win->area[0].xact)
1099 src_win->area[0].xvir = src_win->area[0].xact;
1100 if (src_win->area[0].yvir < src_win->area[0].yact)
1101 src_win->area[0].yvir = src_win->area[0].yact;
1103 format = get_rga_format(dst_win->area[0].format);
1104 if (format >= RK_FORMAT_YCbCr_422_SP &&
1105 format <= RK_FORMAT_YCrCb_420_P) {
1106 if ((dst_win->area[0].xact % 2) != 0)
1107 dst_win->area[0].xact += 1;
1108 if ((dst_win->area[0].yact % 2) != 0)
1109 dst_win->area[0].yact += 1;
1111 if (dst_win->area[0].xvir < dst_win->area[0].xact)
1112 dst_win->area[0].xvir = dst_win->area[0].xact;
1113 if (dst_win->area[0].yvir < dst_win->area[0].yact)
1114 dst_win->area[0].yvir = dst_win->area[0].yact;
1117 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1118 struct rk_lcdc_win *src_win,
1119 u16 orientation, int iommu_en)
1121 struct rga_req Rga_Request;
1125 memset(&Rga_Request, 0, sizeof(Rga_Request));
1126 rga_win_check(dst_win, src_win);
1128 switch (orientation) {
1130 Rga_Request.rotate_mode = 1;
1131 Rga_Request.sina = 65536;
1132 Rga_Request.cosa = 0;
1133 Rga_Request.dst.act_w = dst_win->area[0].yact;
1134 Rga_Request.dst.act_h = dst_win->area[0].xact;
1135 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1136 Rga_Request.dst.y_offset = 0;
1139 Rga_Request.rotate_mode = 1;
1140 Rga_Request.sina = 0;
1141 Rga_Request.cosa = -65536;
1142 Rga_Request.dst.act_w = dst_win->area[0].xact;
1143 Rga_Request.dst.act_h = dst_win->area[0].yact;
1144 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1145 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1148 Rga_Request.rotate_mode = 1;
1149 Rga_Request.sina = -65536;
1150 Rga_Request.cosa = 0;
1151 Rga_Request.dst.act_w = dst_win->area[0].yact;
1152 Rga_Request.dst.act_h = dst_win->area[0].xact;
1153 Rga_Request.dst.x_offset = 0;
1154 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1157 Rga_Request.rotate_mode = 0;
1158 Rga_Request.dst.act_w = dst_win->area[0].xact;
1159 Rga_Request.dst.act_h = dst_win->area[0].yact;
1160 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1161 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1166 fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1167 Rga_Request.src.yrgb_addr = fd;
1168 fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1169 Rga_Request.dst.yrgb_addr = fd;
1171 Rga_Request.src.yrgb_addr = 0;
1172 Rga_Request.src.uv_addr =
1173 src_win->area[0].smem_start + src_win->area[0].y_offset;
1174 Rga_Request.src.v_addr = 0;
1176 Rga_Request.dst.yrgb_addr = 0;
1177 Rga_Request.dst.uv_addr =
1178 dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1179 Rga_Request.dst.v_addr = 0;
1181 Rga_Request.src.vir_w = src_win->area[0].xvir;
1182 Rga_Request.src.vir_h = src_win->area[0].yvir;
1183 Rga_Request.src.format = get_rga_format(src_win->area[0].format);
1184 Rga_Request.src.act_w = src_win->area[0].xact;
1185 Rga_Request.src.act_h = src_win->area[0].yact;
1186 Rga_Request.src.x_offset = 0;
1187 Rga_Request.src.y_offset = 0;
1189 Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1190 Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1191 Rga_Request.dst.format = get_rga_format(dst_win->area[0].format);
1193 Rga_Request.clip.xmin = 0;
1194 Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1195 Rga_Request.clip.ymin = 0;
1196 Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1197 Rga_Request.scale_mode = 0;
1198 #if defined(CONFIG_ROCKCHIP_IOMMU)
1200 Rga_Request.mmu_info.mmu_en = 1;
1201 Rga_Request.mmu_info.mmu_flag = 1;
1203 Rga_Request.mmu_info.mmu_en = 0;
1204 Rga_Request.mmu_info.mmu_flag = 0;
1207 Rga_Request.mmu_info.mmu_en = 0;
1208 Rga_Request.mmu_info.mmu_flag = 0;
1211 ret = rga_ioctl_kernel(&Rga_Request);
1215 * This function is used for copying fb by RGA Module
1216 * RGA only support copy RGB to RGB
1217 * RGA2 support copy RGB to RGB and YUV to YUV
1219 static void fb_copy_by_rga(struct fb_info *dst_info,
1220 struct fb_info *src_info)
1222 struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1223 struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1224 struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1225 struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1226 int win_id = 0, ext_win_id;
1227 struct rk_lcdc_win *src_win, *dst_win;
1229 win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1230 src_win = dev_drv->win[win_id];
1233 ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1234 dst_win = ext_dev_drv->win[ext_win_id];
1236 win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1237 ext_dev_drv->iommu_enabled);
1241 static int rk_fb_rotate(struct fb_info *dst_info,
1242 struct fb_info *src_info)
1245 #if defined(CONFIG_RK29_IPP)
1246 fb_copy_by_ipp(dst_info, src_info);
1247 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1248 fb_copy_by_rga(dst_info, src_info);
1255 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1256 struct rk_lcdc_win *src_win,
1257 u16 rotate, int iommu_en)
1259 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1260 win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1269 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1270 struct fb_info *info)
1272 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1273 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1274 struct fb_fix_screeninfo *fix = &info->fix;
1276 struct rk_lcdc_win *win = NULL;
1277 struct rk_screen *screen = dev_drv->cur_screen;
1278 u32 xoffset = var->xoffset;
1279 u32 yoffset = var->yoffset;
1280 u32 xvir = var->xres_virtual;
1283 u32 stride, uv_stride;
1286 u16 uv_x_off, uv_y_off, uv_y_act;
1289 if (dev_drv->suspend_flag)
1291 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1295 win = dev_drv->win[win_id];
1297 pixel_width = rk_fb_pixel_width(win->area[0].format);
1298 vir_width_bit = pixel_width * xvir;
1299 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1300 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1302 switch (win->area[0].format) {
1306 stride = stride_32bit_1;
1307 uv_stride = stride_32bit_1 >> 1;
1308 uv_x_off = xoffset >> 1;
1310 fix->line_length = stride;
1311 uv_y_act = win->area[0].yact >> 1;
1313 case YUV420: /* nv12 */
1314 case YUV420_NV21: /* nv21 */
1317 stride = stride_32bit_1;
1318 uv_stride = stride_32bit_1;
1320 uv_y_off = yoffset >> 1;
1321 fix->line_length = stride;
1322 uv_y_act = win->area[0].yact >> 1;
1327 stride = stride_32bit_1;
1328 uv_stride = stride_32bit_2;
1329 uv_x_off = xoffset * 2;
1331 fix->line_length = stride << 2;
1332 uv_y_act = win->area[0].yact;
1335 stride = stride_32bit_1; /* default rgb */
1336 fix->line_length = stride;
1340 /* x y mirror ,jump line */
1341 if ((screen->y_mirror == 1) ||
1342 (win->mirror_en == 1)) {
1343 if (screen->interlace == 1) {
1344 win->area[0].y_offset = yoffset * stride * 2 +
1345 ((win->area[0].yact - 1) * 2 + 1) * stride +
1346 xoffset * pixel_width / 8;
1348 win->area[0].y_offset = yoffset * stride +
1349 (win->area[0].yact - 1) * stride +
1350 xoffset * pixel_width / 8;
1353 if (screen->interlace == 1) {
1354 win->area[0].y_offset =
1355 yoffset * stride * 2 + xoffset * pixel_width / 8;
1357 win->area[0].y_offset =
1358 yoffset * stride + xoffset * pixel_width / 8;
1361 if (is_pic_yuv == 1) {
1362 if ((screen->y_mirror == 1) ||
1363 (win->mirror_en == 1)) {
1364 if (screen->interlace == 1) {
1365 win->area[0].c_offset =
1366 uv_y_off * uv_stride * 2 +
1367 ((uv_y_act - 1) * 2 + 1) * uv_stride +
1368 uv_x_off * pixel_width / 8;
1370 win->area[0].c_offset = uv_y_off * uv_stride +
1371 (uv_y_act - 1) * uv_stride +
1372 uv_x_off * pixel_width / 8;
1375 if (screen->interlace == 1) {
1376 win->area[0].c_offset =
1377 uv_y_off * uv_stride * 2 +
1378 uv_x_off * pixel_width / 8;
1380 win->area[0].c_offset =
1381 uv_y_off * uv_stride +
1382 uv_x_off * pixel_width / 8;
1387 win->area[0].smem_start = fix->smem_start;
1388 win->area[0].cbr_start = fix->mmio_start;
1389 win->area[0].state = 1;
1392 dev_drv->ops->pan_display(dev_drv, win_id);
1394 #ifdef CONFIG_FB_MIRRORING
1395 if (video_data_to_mirroring)
1396 video_data_to_mirroring(info, NULL);
1398 /*if not want the config effect,set reserved[3] bit[0] 1*/
1399 if (likely((var->reserved[3] & 0x1) == 0))
1400 dev_drv->ops->cfg_done(dev_drv);
1401 if (dev_drv->hdmi_switch)
1406 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1410 i = list_empty(&dev_drv->update_regs_list);
1411 j = list_empty(&dev_drv->saved_list);
1412 return i == j ? 0 : 1;
1415 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1417 int err = sync_fence_wait(fence, 1000);
1423 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1426 printk("error waiting on fence\n");
1429 static int rk_fb_copy_from_loader(struct fb_info *info)
1431 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1432 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1433 void *dst = info->screen_base;
1438 struct rk_lcdc_win *win;
1440 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1441 win = dev_drv->win[win_id];
1442 size = (win->area[0].xact) * (win->area[0].yact) << 2;
1443 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1444 src = dsp_addr[win_id];
1445 dev_info(info->dev, "copy fb data %d x %d from dst_addr:%08x\n",
1446 win->area[0].xact, win->area[0].yact, src);
1447 for (i = 0; i < size; i += PAGE_SIZE) {
1448 void *page = phys_to_page(i + src);
1449 void *from_virt = kmap(page);
1450 void *to_virt = dst + i;
1451 memcpy(to_virt, from_virt, PAGE_SIZE);
1453 dev_drv->ops->direct_set_addr(dev_drv, win_id,
1454 info->fix.smem_start);
1458 #ifdef CONFIG_ROCKCHIP_IOMMU
1459 static int g_last_addr[5][4];
1460 static int g_now_config_addr[5][4];
1461 static int g_last_state[5][4];
1462 static int g_now_config_state[5][4];
1467 #define DUMP_CHUNK 256
1468 char buf[PAGE_SIZE];
1470 int rk_fb_sysmmu_fault_handler(struct device *dev,
1471 enum rk_iommu_inttype itype,
1472 unsigned long pgtable_base,
1473 unsigned long fault_addr, unsigned int status)
1475 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1477 static int page_fault_cnt;
1478 if ((page_fault_cnt++) >= 10)
1481 ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1482 fault_addr, pgtable_base, status);
1483 pr_info("last config addr:\n");
1484 for (i = 0; i < 4; i++) {
1485 for (j = 0; j < 4; j++)
1486 pr_info("win[%d],area[%d] = 0x%08x\n",
1487 i, j, g_last_addr[i][j]);
1489 pr_info("last freed buffer:\n");
1490 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1491 printk("%d:0x%08x\n", i, freed_addr[i]);
1492 printk("last timeout:%d\n", g_last_timeout);
1493 dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1494 for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1495 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1496 char c = buf[i + DUMP_CHUNK];
1497 buf[i + DUMP_CHUNK] = 0;
1498 pr_cont("%s", buf + i);
1499 buf[i + DUMP_CHUNK] = c;
1501 buf[PAGE_SIZE - 1] = 0;
1502 pr_cont("%s", buf + i);
1510 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1511 struct rk_fb_reg_win_data *reg_win_data)
1514 struct rk_fb_reg_area_data *area_data;
1515 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1517 for (i = 0; i < reg_win_data->area_num; i++) {
1518 area_data = ®_win_data->reg_area_data[i];
1519 index_buf = area_data->index_buf;
1520 #if defined(CONFIG_ROCKCHIP_IOMMU)
1521 if (dev_drv->iommu_enabled) {
1522 if ((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
1523 (area_data->ion_handle != NULL))
1524 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1525 area_data->ion_handle);
1526 freed_addr[freed_index++] = area_data->smem_start;
1529 if (area_data->ion_handle != NULL)
1530 ion_free(rk_fb->ion_client, area_data->ion_handle);
1532 if (area_data->acq_fence)
1533 sync_fence_put(area_data->acq_fence);
1535 memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1538 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1539 struct rk_lcdc_win *win,
1540 struct rk_fb_reg_win_data *reg_win_data)
1543 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1544 struct rk_screen *cur_screen;
1545 struct rk_screen primary_screen;
1547 if (unlikely(!inf) || unlikely(!dev_drv) ||
1548 unlikely(!win) || unlikely(!reg_win_data))
1551 cur_screen = dev_drv->cur_screen;
1552 rk_fb_get_prmry_screen(&primary_screen);
1554 win->area_num = reg_win_data->area_num;
1555 win->id = reg_win_data->win_id;
1556 win->z_order = reg_win_data->z_order;
1558 if (reg_win_data->reg_area_data[0].smem_start > 0) {
1560 win->area_num = reg_win_data->area_num;
1561 win->id = reg_win_data->win_id;
1562 win->z_order = reg_win_data->z_order;
1563 win->area[0].uv_vir_stride =
1564 reg_win_data->reg_area_data[0].uv_vir_stride;
1565 win->area[0].cbr_start =
1566 reg_win_data->reg_area_data[0].cbr_start;
1567 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1568 win->alpha_en = reg_win_data->alpha_en;
1569 win->alpha_mode = reg_win_data->alpha_mode;
1570 win->g_alpha_val = reg_win_data->g_alpha_val;
1571 win->mirror_en = reg_win_data->mirror_en;
1572 win->area[0].fbdc_en =
1573 reg_win_data->reg_area_data[0].fbdc_en;
1574 win->area[0].fbdc_cor_en =
1575 reg_win_data->reg_area_data[0].fbdc_cor_en;
1576 win->area[0].fbdc_data_format =
1577 reg_win_data->reg_area_data[0].fbdc_data_format;
1578 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1579 if (reg_win_data->reg_area_data[i].smem_start > 0) {
1580 win->area[i].format =
1581 reg_win_data->reg_area_data[i].data_format;
1582 if (inf->disp_policy != DISPLAY_POLICY_BOX)
1583 win->area[i].ion_hdl =
1584 reg_win_data->reg_area_data[i].ion_handle;
1585 win->area[i].smem_start =
1586 reg_win_data->reg_area_data[i].smem_start;
1587 if (inf->disp_mode == DUAL ||
1588 inf->disp_mode == NO_DUAL ||
1589 inf->disp_policy == DISPLAY_POLICY_BOX) {
1591 reg_win_data->reg_area_data[i].xpos;
1593 reg_win_data->reg_area_data[i].ypos;
1594 win->area[i].xsize =
1595 reg_win_data->reg_area_data[i].xsize;
1596 win->area[i].ysize =
1597 reg_win_data->reg_area_data[i].ysize;
1600 reg_win_data->reg_area_data[i].xpos *
1601 cur_screen->mode.xres /
1602 primary_screen.mode.xres;
1604 reg_win_data->reg_area_data[i].ypos *
1605 cur_screen->mode.yres /
1606 primary_screen.mode.yres;
1607 win->area[i].xsize =
1608 reg_win_data->reg_area_data[i].xsize *
1609 cur_screen->mode.xres /
1610 primary_screen.mode.xres;
1611 win->area[i].ysize =
1612 reg_win_data->reg_area_data[i].ysize *
1613 cur_screen->mode.yres /
1614 primary_screen.mode.yres;
1616 /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1617 if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
1618 if (cur_screen->xsize > 0 &&
1619 cur_screen->xsize <= cur_screen->mode.xres) {
1621 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1622 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1623 win->area[i].xsize =
1624 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1626 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1628 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1629 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1630 win->area[i].ysize =
1631 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1636 reg_win_data->reg_area_data[i].xact;
1638 reg_win_data->reg_area_data[i].yact;
1640 reg_win_data->reg_area_data[i].xvir;
1642 reg_win_data->reg_area_data[i].yvir;
1644 reg_win_data->reg_area_data[i].xoff;
1646 reg_win_data->reg_area_data[i].yoff;
1647 win->area[i].y_offset =
1648 reg_win_data->reg_area_data[i].y_offset;
1649 win->area[i].y_vir_stride =
1650 reg_win_data->reg_area_data[i].y_vir_stride;
1651 win->area[i].state = 1;
1652 #if defined(CONFIG_ROCKCHIP_IOMMU)
1653 if (dev_drv->iommu_enabled) {
1654 g_now_config_addr[win->id][i] =
1655 win->area[i].smem_start +
1656 win->area[i].y_offset;
1657 g_now_config_state[win->id][i] = 1;
1661 win->area[i].state = 0;
1662 #if defined(CONFIG_ROCKCHIP_IOMMU)
1663 if (dev_drv->iommu_enabled) {
1664 g_now_config_addr[win->id][i] = 0;
1665 g_now_config_state[win->id][i] = 0;
1673 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1677 struct rk_fb_reg_win_data *win_data = NULL;
1678 for (i = 0; i < regs->win_num; i++) {
1679 if (regs->reg_win_data[i].win_id == win_id) {
1680 win_data = &(regs->reg_win_data[i]);
1688 static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
1689 struct rk_fb_reg_data *regs,
1692 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1693 int i, j, wait_for_vsync = false;
1694 unsigned int dsp_addr[5][4];
1697 if (dev_drv->ops->get_dsp_addr)
1698 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1700 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1701 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1702 (!strcmp(dev_drv->win[i]->name, "hwc")))
1705 for (j = 0;j < RK_WIN_MAX_AREA; j++) {
1706 if ((j > 0) && (dev_drv->area_support[i] == 1)) {
1709 if (dev_drv->win[i]->area[j].state == 1) {
1711 dev_drv->win[i]->area[j].smem_start +
1712 dev_drv->win[i]->area[j].y_offset;
1713 u32 reg_start = dsp_addr[i][j];
1714 if ((rk_fb->disp_policy ==
1715 DISPLAY_POLICY_BOX) &&
1716 (dev_drv->suspend_flag))
1718 if (unlikely(new_start != reg_start)) {
1719 wait_for_vsync = true;
1720 dev_info(dev_drv->dev,
1721 "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1722 i, new_start, reg_start, 101 - count);
1725 } else if (dev_drv->win[i]->area[j].state == 0) {
1726 if (dev_drv->ops->get_win_state) {
1728 dev_drv->ops->get_win_state(dev_drv, i, j);
1730 wait_for_vsync = true;
1733 pr_err("!!!win[%d]state:%d,error!!!\n",
1734 i, dev_drv->win[i]->state);
1739 return wait_for_vsync;
1742 static int rk_fb_iommu_page_fault_dump(struct rk_lcdc_driver *dev_drv)
1744 int i, j, state, page_fault = 0;
1745 unsigned int dsp_addr[5][4];
1747 if (dev_drv->ops->extern_func) {
1748 dev_drv->ops->extern_func(dev_drv, UNMASK_PAGE_FAULT);
1749 page_fault = dev_drv->ops->extern_func(dev_drv, GET_PAGE_FAULT);
1752 pr_info("last config:\n");
1753 for(i = 0; i < dev_drv->lcdc_win_num; i++) {
1754 for(j = 0; j < RK_WIN_MAX_AREA; j++) {
1755 if ((j > 0) && (dev_drv->area_support[i] == 1))
1757 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1758 i, j, g_last_state[i][j], g_last_addr[i][j]);
1762 pr_info("last freed buffer:\n");
1763 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1764 pr_info("%d:0x%08x\n", i, freed_addr[i]);
1766 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1767 pr_info("vop now state:\n");
1768 for(i = 0; i < dev_drv->lcdc_win_num; i++) {
1769 for(j = 0; j < RK_WIN_MAX_AREA; j++) {
1770 if ((j > 0) && (dev_drv->area_support[i] == 1))
1772 state = dev_drv->ops->get_win_state(dev_drv, i, j);
1773 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1774 i, j, state, dsp_addr[i][j]);
1777 pr_info("now config:\n");
1778 for(i = 0; i < dev_drv->lcdc_win_num; i++) {
1779 for(j = 0; j < RK_WIN_MAX_AREA; j++) {
1780 if ((j > 0) && (dev_drv->area_support[i] == 1))
1782 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1783 i, j, g_now_config_state[i][j],
1784 g_now_config_addr[i][j]);
1787 for (i = 0; i < DUMP_FRAME_NUM; i++)
1788 rk_fb_config_debug(dev_drv, &(dev_drv->tmp_win_cfg[i]),
1789 &(dev_drv->tmp_regs[i]), 0);
1792 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1793 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1794 if ((j > 0) && (dev_drv->area_support[i] == 1))
1796 g_last_addr[i][j] = g_now_config_addr[i][j];
1797 g_last_state[i][j] = g_now_config_state[i][j];
1803 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1804 struct rk_fb_reg_data *regs)
1807 struct rk_lcdc_win *win;
1808 ktime_t timestamp = dev_drv->vsync_info.timestamp;
1809 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1810 struct rk_fb_reg_win_data *win_data;
1811 bool wait_for_vsync;
1815 /* acq_fence wait */
1816 for (i = 0; i < regs->win_num; i++) {
1817 win_data = ®s->reg_win_data[i];
1818 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1819 if (win_data->reg_area_data[j].acq_fence) {
1820 /* printk("acq_fence wait!!!!!\n"); */
1821 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1826 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1827 win = dev_drv->win[i];
1828 win_data = rk_fb_get_win_data(regs, i);
1830 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1831 (win_data->reg_area_data[0].data_format == YUV420 ||
1832 win_data->reg_area_data[0].data_format == YUV420_NV21 ||
1833 win_data->reg_area_data[0].data_format == YUV420_A))
1835 mutex_lock(&dev_drv->win_config);
1836 rk_fb_update_win(dev_drv, win, win_data);
1838 dev_drv->ops->set_par(dev_drv, i);
1839 dev_drv->ops->pan_display(dev_drv, i);
1840 mutex_unlock(&dev_drv->win_config);
1844 #if defined(CONFIG_ROCKCHIP_IOMMU)
1845 if (dev_drv->iommu_enabled) {
1846 for (j = 0; j < 4; j++)
1847 g_now_config_addr[i][j] = 0;
1852 dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1854 if (rk_fb_iommu_debug > 0) {
1855 pagefault = rk_fb_iommu_page_fault_dump(dev_drv);
1858 if (pagefault == 0) {
1859 dev_drv->ops->cfg_done(dev_drv);
1861 sw_sync_timeline_inc(dev_drv->timeline, 1);
1865 timestamp = dev_drv->vsync_info.timestamp;
1866 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1867 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1868 msecs_to_jiffies(50));
1870 wait_for_vsync = rk_fb_reg_effect(dev_drv, regs, count);
1871 } while (wait_for_vsync && count--);
1873 sw_sync_timeline_inc(dev_drv->timeline, 1);
1876 if (dev_drv->front_regs) {
1877 #if defined(CONFIG_ROCKCHIP_IOMMU)
1878 if (dev_drv->iommu_enabled) {
1879 if (dev_drv->ops->mmu_en)
1880 dev_drv->ops->mmu_en(dev_drv);
1882 g_last_timeout = timeout;
1886 mutex_lock(&dev_drv->front_lock);
1888 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1889 win_data = &dev_drv->front_regs->reg_win_data[i];
1890 rk_fb_free_dma_buf(dev_drv, win_data);
1892 kfree(dev_drv->front_regs);
1894 mutex_unlock(&dev_drv->front_lock);
1896 #if defined(CONFIG_ROCKCHIP_IOMMU)
1897 if (dev_drv->iommu_enabled)
1898 freed_addr[freed_index] = 0xfefefefe;
1902 mutex_lock(&dev_drv->front_lock);
1904 dev_drv->front_regs = regs;
1906 mutex_unlock(&dev_drv->front_lock);
1908 trace_buffer_dump(&fb_pdev->dev, dev_drv);
1911 static void rk_fb_update_regs_handler(struct kthread_work *work)
1913 struct rk_lcdc_driver *dev_drv =
1914 container_of(work, struct rk_lcdc_driver, update_regs_work);
1915 struct rk_fb_reg_data *data, *next;
1917 mutex_lock(&dev_drv->update_regs_list_lock);
1918 dev_drv->saved_list = dev_drv->update_regs_list;
1919 list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1920 mutex_unlock(&dev_drv->update_regs_list_lock);
1922 list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1923 rk_fb_update_reg(dev_drv, data);
1924 list_del(&data->list);
1927 if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1928 wake_up(&dev_drv->update_regs_wait);
1931 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1932 struct rk_screen *screen)
1934 if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1935 (area_par->xact <= 0) || (area_par->yact <= 0) ||
1936 (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1937 pr_err("check config var fail 0:\n"
1938 "x_offset=%d,xact=%d,xvir=%d\n",
1939 area_par->x_offset, area_par->xact, area_par->xvir);
1943 if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1944 (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1945 (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1946 pr_warn("check config var fail 1:\n"
1947 "xpos=%d,xsize=%d,xres=%d\n"
1948 "ypos=%d,ysize=%d,yres=%d\n",
1949 area_par->xpos, area_par->xsize, screen->mode.xres,
1950 area_par->ypos, area_par->ysize, screen->mode.yres);
1956 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
1957 struct rk_fb_win_cfg_data *win_data,
1958 struct rk_fb_reg_data *regs, u32 cmd)
1961 struct rk_fb_win_par *win_par;
1962 struct rk_fb_area_par *area_par;
1963 struct rk_fb_reg_win_data *reg_win_data;
1964 struct rk_fb_reg_area_data *area_data;
1966 fb_dbg(cmd, "-------------frame start-------------\n");
1967 fb_dbg(cmd, "user config:\n");
1968 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1969 win_par = &(win_data->win_par[i]);
1970 if ((win_par->area_par[0].ion_fd <= 0) &&
1971 (win_par->area_par[0].phy_addr <= 0))
1973 fb_dbg(cmd, "win[%d]:z_order=%d,galhpa_v=%d\n",
1974 win_par->win_id, win_par->z_order,
1975 win_par->g_alpha_val);
1976 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1977 area_par = &(win_par->area_par[j]);
1978 if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
1979 ((win_par->area_par[j].ion_fd <= 0) &&
1980 (win_par->area_par[j].phy_addr <= 0)))
1982 fb_dbg(cmd, " area[%d]:fmt=%d,ion_fd=%d,phy_add=0x%x,xoff=%d,yoff=%d\n",
1983 j, area_par->data_format, area_par->ion_fd,
1984 area_par->phy_addr, area_par->x_offset,
1985 area_par->y_offset);
1986 fb_dbg(cmd, " xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
1987 area_par->xpos, area_par->ypos,
1988 area_par->xsize, area_par->ysize);
1989 fb_dbg(cmd, " xact=%d,yact=%d,xvir=%d,yvir=%d\n",
1990 area_par->xact, area_par->yact,
1991 area_par->xvir, area_par->yvir);
1995 fb_dbg(cmd, "regs data:\n");
1996 fb_dbg(cmd, "win_num=%d,buf_num=%d\n",
1997 regs->win_num, regs->buf_num);
1998 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1999 reg_win_data = &(regs->reg_win_data[i]);
2000 if (reg_win_data->reg_area_data[0].smem_start <= 0)
2002 fb_dbg(cmd, "win[%d]:z_order=%d,area_num=%d,area_buf_num=%d\n",
2003 reg_win_data->win_id, reg_win_data->z_order,
2004 reg_win_data->area_num, reg_win_data->area_buf_num);
2005 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2006 area_data = &(reg_win_data->reg_area_data[j]);
2007 if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2008 (area_data->smem_start <= 0))
2010 fb_dbg(cmd, " area[%d]:fmt=%d,ion=%p,smem_star=0x%lx,cbr_star=0x%lx\n",
2011 j, area_data->data_format, area_data->ion_handle,
2012 area_data->smem_start, area_data->cbr_start);
2013 fb_dbg(cmd, " yoff=0x%x,coff=0x%x,area_data->buff_len=%x\n",
2014 area_data->y_offset, area_data->c_offset,area_data->buff_len);
2015 fb_dbg(cmd, " xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2016 area_data->xpos, area_data->ypos,
2017 area_data->xsize, area_data->ysize);
2018 fb_dbg(cmd, " xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2019 area_data->xact, area_data->yact,
2020 area_data->xvir, area_data->yvir);
2023 fb_dbg(cmd, "-------------frame end---------------\n");
2027 static int rk_fb_config_backup(struct rk_lcdc_driver *dev_drv,
2028 struct rk_fb_win_cfg_data *win_cfg,
2029 struct rk_fb_reg_data *regs)
2033 /*2->1->0: 0 is newest*/
2034 for (i = 0; i < DUMP_FRAME_NUM - 1; i++) {
2035 memcpy(&(dev_drv->tmp_win_cfg[DUMP_FRAME_NUM-1-i]),
2036 &(dev_drv->tmp_win_cfg[DUMP_FRAME_NUM-2-i]),
2037 sizeof(struct rk_fb_win_cfg_data));
2038 memcpy(&(dev_drv->tmp_regs[DUMP_FRAME_NUM-1-i]),
2039 &(dev_drv->tmp_regs[DUMP_FRAME_NUM-2-i]),
2040 sizeof(struct rk_fb_reg_data));
2043 memcpy(&(dev_drv->tmp_win_cfg[0]), win_cfg,
2044 sizeof(struct rk_fb_win_cfg_data));
2045 memcpy(&(dev_drv->tmp_regs[0]), regs,
2046 sizeof(struct rk_fb_reg_data));
2050 static int rk_fb_set_win_buffer(struct fb_info *info,
2051 struct rk_fb_win_par *win_par,
2052 struct rk_fb_reg_win_data *reg_win_data)
2054 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2055 struct fb_fix_screeninfo *fix = &info->fix;
2056 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2057 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2058 /*if hdmi size move to hwc,screen should point to cur_screen
2059 otherwise point to screen0[main screen]*/
2060 struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
2061 struct fb_info *fbi;
2062 int i, ion_fd, acq_fence_fd;
2064 u32 xoffset, yoffset;
2066 struct ion_handle *hdl;
2072 u32 stride, uv_stride;
2075 u16 uv_x_off, uv_y_off, uv_y_act;
2077 u8 ppixel_a = 0, global_a = 0;
2078 ion_phys_addr_t phy_addr;
2082 reg_win_data->reg_area_data[0].smem_start = -1;
2083 reg_win_data->area_num = 0;
2084 fbi = rk_fb->fb[reg_win_data->win_id];
2085 if (win_par->area_par[0].phy_addr == 0) {
2086 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2087 ion_fd = win_par->area_par[i].ion_fd;
2090 ion_import_dma_buf(rk_fb->ion_client,
2093 pr_info("%s: Could not import handle:"
2094 " %ld\n", __func__, (long)hdl);
2098 reg_win_data->reg_area_data[i].ion_handle = hdl;
2099 #ifndef CONFIG_ROCKCHIP_IOMMU
2100 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
2103 if (dev_drv->iommu_enabled)
2104 ret = ion_map_iommu(dev_drv->dev,
2107 (unsigned long *)&phy_addr,
2108 (unsigned long *)&len);
2110 ret = ion_phys(rk_fb->ion_client, hdl,
2114 dev_err(fbi->dev, "ion map to get phy addr failed\n");
2115 ion_free(rk_fb->ion_client, hdl);
2118 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2119 reg_win_data->area_num++;
2120 reg_win_data->area_buf_num++;
2121 reg_win_data->reg_area_data[i].index_buf = 1;
2122 reg_win_data->reg_area_data[i].buff_len = len;
2126 reg_win_data->reg_area_data[0].smem_start =
2127 win_par->area_par[0].phy_addr;
2128 reg_win_data->area_num = 1;
2129 reg_win_data->area_buf_num++;
2130 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2133 if (reg_win_data->area_num == 0) {
2134 for (i = 0; i < RK_WIN_MAX_AREA; i++)
2135 reg_win_data->reg_area_data[i].smem_start = 0;
2136 reg_win_data->z_order = -1;
2137 reg_win_data->win_id = -1;
2141 for (i = 0; i < reg_win_data->area_num; i++) {
2142 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2143 index_buf = reg_win_data->reg_area_data[i].index_buf;
2144 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2145 reg_win_data->reg_area_data[i].acq_fence =
2146 sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2149 if (reg_win_data->reg_area_data[0].smem_start > 0) {
2150 reg_win_data->z_order = win_par->z_order;
2151 reg_win_data->win_id = win_par->win_id;
2153 reg_win_data->z_order = -1;
2154 reg_win_data->win_id = -1;
2157 reg_win_data->mirror_en = win_par->mirror_en;
2158 for (i = 0; i < reg_win_data->area_num; i++) {
2159 /*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
2161 fb_data_fmt = rk_fb_data_fmt(win_par->area_par[i].data_format, 0);
2162 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
2163 if (fb_data_fmt >= FBDC_RGB_565) {
2164 reg_win_data->reg_area_data[i].fbdc_en = 1;
2165 reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
2167 reg_win_data->reg_area_data[i].fbdc_en = 0;
2168 reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
2170 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2172 ppixel_a |= ((fb_data_fmt == ARGB888) ||
2173 (fb_data_fmt == FBDC_ARGB_888) ||
2174 (fb_data_fmt == FBDC_ABGR_888) ||
2175 (fb_data_fmt == ABGR888)) ? 1 : 0;
2176 /* visiable pos in panel */
2177 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2178 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2180 /* realy size in panel */
2181 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2182 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2184 /* realy size in panel */
2185 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2186 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2188 xoffset = win_par->area_par[i].x_offset; /* buf offset */
2189 yoffset = win_par->area_par[i].y_offset;
2190 reg_win_data->reg_area_data[i].xoff = xoffset;
2191 reg_win_data->reg_area_data[i].yoff = yoffset;
2193 xvir = win_par->area_par[i].xvir;
2194 reg_win_data->reg_area_data[i].xvir = xvir;
2195 yvir = win_par->area_par[i].yvir;
2196 reg_win_data->reg_area_data[i].yvir = yvir;
2198 vir_width_bit = pixel_width * xvir;
2199 /* pixel_width = byte_num*8 */
2200 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2201 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2203 stride = stride_32bit_1; /* default rgb */
2204 fix->line_length = stride;
2205 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2207 /* x y mirror ,jump line
2208 * reg_win_data->reg_area_data[i].y_offset =
2209 * yoffset*stride+xoffset*pixel_width/8;
2211 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2212 if (screen->interlace == 1) {
2213 reg_win_data->reg_area_data[i].y_offset =
2214 yoffset * stride * 2 +
2215 ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2216 xoffset * pixel_width / 8;
2218 reg_win_data->reg_area_data[i].y_offset =
2220 (reg_win_data->reg_area_data[i].yact - 1) * stride +
2221 xoffset * pixel_width / 8;
2224 if (screen->interlace == 1) {
2225 reg_win_data->reg_area_data[i].y_offset =
2226 yoffset * stride * 2 +
2227 xoffset * pixel_width / 8;
2229 reg_win_data->reg_area_data[i].y_offset =
2231 xoffset * pixel_width / 8;
2234 if ((fb_data_fmt != YUV420) &&
2235 (fb_data_fmt != YUV420_NV21) &&
2236 (fb_data_fmt != YUV422) &&
2237 (fb_data_fmt != YUV444) &&
2238 dev_drv->iommu_enabled) {
2239 buff_len = reg_win_data->reg_area_data[i].y_offset +
2240 reg_win_data->reg_area_data[i].xvir *
2241 reg_win_data->reg_area_data[i].yact *
2243 reg_win_data->reg_area_data[i].xoff*
2245 if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2246 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2248 "=buff_len[0x%x]>>mmu len=0x%x\n",
2250 reg_win_data->reg_area_data[i].xvir,
2251 reg_win_data->reg_area_data[i].yact,
2252 pixel_width, buff_len,
2253 reg_win_data->reg_area_data[i].buff_len);
2257 global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2258 reg_win_data->alpha_en = ppixel_a | global_a;
2259 reg_win_data->g_alpha_val = win_par->g_alpha_val;
2260 reg_win_data->alpha_mode = win_par->alpha_mode;
2262 switch (fb_data_fmt) {
2266 stride = stride_32bit_1;
2267 uv_stride = stride_32bit_1 >> 1;
2268 uv_x_off = xoffset >> 1;
2270 fix->line_length = stride;
2271 uv_y_act = win_par->area_par[0].yact >> 1;
2273 case YUV420: /* nv12 */
2274 case YUV420_NV21: /* nv21 */
2277 stride = stride_32bit_1;
2278 uv_stride = stride_32bit_1;
2280 uv_y_off = yoffset >> 1;
2281 fix->line_length = stride;
2282 uv_y_act = win_par->area_par[0].yact >> 1;
2287 stride = stride_32bit_1;
2288 uv_stride = stride_32bit_2;
2289 uv_x_off = xoffset * 2;
2291 fix->line_length = stride << 2;
2292 uv_y_act = win_par->area_par[0].yact;
2297 if (is_pic_yuv == 1) {
2298 reg_win_data->reg_area_data[0].cbr_start =
2299 reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2300 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2301 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2302 if (screen->interlace == 1) {
2303 reg_win_data->reg_area_data[0].c_offset =
2304 uv_y_off * uv_stride * 2 +
2305 ((uv_y_act - 1) * 2 + 1) * uv_stride +
2306 uv_x_off * pixel_width / 8;
2308 reg_win_data->reg_area_data[0].c_offset =
2309 uv_y_off * uv_stride +
2310 (uv_y_act - 1) * uv_stride +
2311 uv_x_off * pixel_width / 8;
2314 if (screen->interlace == 1) {
2315 reg_win_data->reg_area_data[0].c_offset =
2316 uv_y_off * uv_stride * 2 +
2317 uv_x_off * pixel_width / 8;
2319 reg_win_data->reg_area_data[0].c_offset =
2320 uv_y_off * uv_stride +
2321 uv_x_off * pixel_width / 8;
2324 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2325 reg_win_data->reg_area_data[0].c_offset +
2326 reg_win_data->reg_area_data[0].xvir *
2327 reg_win_data->reg_area_data[0].yact *
2329 reg_win_data->reg_area_data[0].smem_start -
2330 reg_win_data->reg_area_data[0].xoff*
2332 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2333 dev_drv->iommu_enabled)
2334 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2336 "=buff_len[0x%x]>>mmu len=0x%x\n",
2338 reg_win_data->reg_area_data[0].xvir,
2339 reg_win_data->reg_area_data[0].yact,
2340 pixel_width, buff_len,
2341 reg_win_data->reg_area_data[0].buff_len);
2344 /* record buffer information for rk_fb_disp_scale to prevent fence timeout
2345 * because rk_fb_disp_scale will call function info->fbops->fb_set_par(info);
2346 * delete by hjc for new hdmi overscan framework
2348 /*info->var.yoffset = yoffset;
2349 info->var.xoffset = xoffset;*/
2353 static int rk_fb_set_win_config(struct fb_info *info,
2354 struct rk_fb_win_cfg_data *win_data)
2356 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2357 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2358 struct rk_fb_reg_data *regs;
2360 struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2361 struct sync_fence *retire_fence;
2362 struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2363 struct sync_pt *retire_sync_pt;
2364 char fence_name[20];
2366 int ret = 0, i, j = 0;
2367 int list_is_empty = 0;
2368 struct rk_screen *screen = dev_drv->cur_screen;
2370 mutex_lock(&dev_drv->output_lock);
2372 for (i = 0; i < 4; i++) {
2373 for (j = 0; j < 4; j++) {
2374 if (win_data->win_par[i].area_par[j].ion_fd > 0)
2375 ret += rk_fb_check_config_var(
2376 &win_data->win_par[i].area_par[j],
2380 if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
2381 dev_drv->timeline_max++;
2382 sw_sync_timeline_inc(dev_drv->timeline, 1);
2383 if (dev_drv->suspend_flag)
2384 pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
2385 else if (dev_drv->hdmi_switch)
2386 pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
2388 pr_err("error config ,ignore\n");
2389 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2390 win_data->rel_fence_fd[j] = -1;
2391 win_data->ret_fence_fd = -1;
2395 regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2397 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2402 for (i = 0,j = 0; i < dev_drv->lcdc_win_num; i++) {
2403 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2404 if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2405 ®s->reg_win_data[j])) {
2407 pr_info("error:%s[%d]\n", __func__,__LINE__);
2410 if (regs->reg_win_data[j].area_num > 0) {
2413 regs->reg_win_data[j].area_buf_num;
2417 printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2418 printk(KERN_INFO "i=%d,win_id=%d\n", i,
2419 win_data->win_par[i].win_id);
2423 if (regs->win_num <= 0)
2424 goto err_null_frame;
2426 dev_drv->timeline_max++;
2428 win_data->ret_fence_fd = get_unused_fd();
2429 if (win_data->ret_fence_fd < 0) {
2430 pr_err("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2431 win_data->ret_fence_fd = -1;
2435 for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2436 if (i < regs->buf_num) {
2437 sprintf(fence_name, "fence%d", i);
2438 win_data->rel_fence_fd[i] = get_unused_fd();
2439 if (win_data->rel_fence_fd[i] < 0) {
2440 printk(KERN_INFO "rel_fence_fd=%d\n",
2441 win_data->rel_fence_fd[i]);
2445 release_sync_pt[i] =
2446 sw_sync_pt_create(dev_drv->timeline,
2447 dev_drv->timeline_max);
2449 sync_fence_create(fence_name, release_sync_pt[i]);
2450 sync_fence_install(release_fence[i],
2451 win_data->rel_fence_fd[i]);
2453 win_data->rel_fence_fd[i] = -1;
2458 sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2459 retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2460 sync_fence_install(retire_fence, win_data->ret_fence_fd);
2462 for (i = 0; i < RK_MAX_BUF_NUM; i++)
2463 win_data->rel_fence_fd[i] = -1;
2465 win_data->ret_fence_fd = -1;
2467 if (dev_drv->wait_fs == 0) {
2468 mutex_lock(&dev_drv->update_regs_list_lock);
2469 list_add_tail(®s->list, &dev_drv->update_regs_list);
2470 mutex_unlock(&dev_drv->update_regs_list_lock);
2471 queue_kthread_work(&dev_drv->update_regs_worker,
2472 &dev_drv->update_regs_work);
2474 mutex_lock(&dev_drv->update_regs_list_lock);
2475 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2476 list_empty(&dev_drv->saved_list);
2477 mutex_unlock(&dev_drv->update_regs_list_lock);
2478 if (!list_is_empty) {
2479 ret = wait_event_timeout(dev_drv->update_regs_wait,
2480 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2481 msecs_to_jiffies(60));
2483 rk_fb_update_reg(dev_drv, regs);
2485 printk("%s: wait update_regs_wait timeout\n", __func__);
2486 } else if (ret == 0) {
2487 rk_fb_update_reg(dev_drv, regs);
2490 if (rk_fb_debug_lvl > 0)
2491 rk_fb_config_debug(dev_drv, win_data, regs, rk_fb_debug_lvl);
2492 if (rk_fb_iommu_debug > 0)
2493 rk_fb_config_backup(dev_drv, win_data, regs);
2495 mutex_unlock(&dev_drv->output_lock);
2498 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2499 win_data->rel_fence_fd[j] = -1;
2500 win_data->ret_fence_fd = -1;
2501 pr_info("win num = %d,null frame\n", regs->win_num);
2504 mutex_unlock(&dev_drv->output_lock);
2510 static int cfgdone_distlist[10] = { 0 };
2512 static int cfgdone_index;
2513 static int cfgdone_lasttime;
2515 int rk_get_real_fps(int before)
2517 struct timespec now;
2523 int index = cfgdone_index;
2532 getnstimeofday(&now);
2533 dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2539 for (i = 0; i < 10; i++) {
2542 total += cfgdone_distlist[index];
2544 dist_first = cfgdone_distlist[index];
2545 if (total < (before * 1000)) {
2547 printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2549 dist_total += cfgdone_distlist[index];
2557 printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2559 dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2560 dist_total += dist_curr;
2564 fps = (1000000 * dist_count) / dist_total;
2569 printk("curr2 %d, fps=%d\n", dist_curr, fps);
2573 EXPORT_SYMBOL(rk_get_real_fps);
2576 #ifdef CONFIG_ROCKCHIP_IOMMU
2578 static struct ion_handle *ion_hanle[ION_MAX];
2579 static struct ion_handle *ion_hwc[1];
2581 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2584 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2585 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2586 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2587 struct fb_fix_screeninfo *fix = &info->fix;
2588 struct rk_lcdc_win *win;
2589 int enable; /* enable fb:1 enable;0 disable */
2590 int ovl; /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2591 int num_buf; /* buffer_number */
2593 struct rk_fb_win_cfg_data win_data;
2594 unsigned int dsp_addr[4][4];
2597 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2599 void __user *argp = (void __user *)arg;
2600 win = dev_drv->win[win_id];
2603 case RK_FBIOSET_HWC_ADDR:
2606 if (copy_from_user(hwc_phy, argp, 4))
2608 #ifdef CONFIG_ROCKCHIP_IOMMU
2609 if (!dev_drv->iommu_enabled) {
2611 fix->smem_start = hwc_phy[0];
2612 #ifdef CONFIG_ROCKCHIP_IOMMU
2615 struct ion_handle *hdl;
2616 ion_phys_addr_t phy_addr;
2619 usr_fd = hwc_phy[0];
2621 fix->smem_start = 0;
2622 fix->mmio_start = 0;
2623 dev_drv->ops->open(dev_drv, win_id, 0);
2627 if (ion_hwc[0] != 0) {
2628 ion_free(rk_fb->ion_client, ion_hwc[0]);
2632 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2634 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2639 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2640 (unsigned long *)&phy_addr,
2641 (unsigned long *)&len);
2643 dev_err(info->dev, "ion map to get hwc phy addr failed");
2644 ion_free(rk_fb->ion_client, hdl);
2647 fix->smem_start = phy_addr;
2653 case RK_FBIOSET_YUV_ADDR:
2657 if (copy_from_user(yuv_phy, argp, 8))
2659 #ifdef CONFIG_ROCKCHIP_IOMMU
2660 if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2662 fix->smem_start = yuv_phy[0];
2663 fix->mmio_start = yuv_phy[1];
2664 #ifdef CONFIG_ROCKCHIP_IOMMU
2666 int usr_fd, offset, tmp;
2667 struct ion_handle *hdl;
2668 ion_phys_addr_t phy_addr;
2671 usr_fd = yuv_phy[0];
2672 offset = yuv_phy[1] - yuv_phy[0];
2674 fix->smem_start = 0;
2675 fix->mmio_start = 0;
2679 if (ion_hanle[ION_MAX - 1] != 0) {
2680 /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2681 /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2682 ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2683 ion_hanle[ION_MAX - 1] = 0;
2686 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2688 dev_err(info->dev, "failed to get ion handle:%ld\n",
2693 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2694 (unsigned long *)&phy_addr,
2695 (unsigned long *)&len);
2697 dev_err(info->dev, "ion map to get phy addr failed");
2698 ion_free(rk_fb->ion_client, hdl);
2701 fix->smem_start = phy_addr;
2702 fix->mmio_start = phy_addr + offset;
2703 fix->smem_len = len;
2704 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2707 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2708 ion_hanle[tmp] = ion_hanle[tmp - 1];
2714 case RK_FBIOSET_ENABLE:
2715 if (copy_from_user(&enable, argp, sizeof(enable)))
2717 if (enable && fb_par->state)
2721 dev_drv->ops->open(dev_drv, win_id, enable);
2723 case RK_FBIOGET_ENABLE:
2724 enable = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
2725 if (copy_to_user(argp, &enable, sizeof(enable)))
2728 case RK_FBIOSET_OVERLAY_STA:
2729 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2731 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2733 case RK_FBIOGET_OVERLAY_STA:
2734 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2735 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2738 case RK_FBIOPUT_NUM_BUFFERS:
2739 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2741 dev_drv->num_buf = num_buf;
2743 case RK_FBIOSET_VSYNC_ENABLE:
2744 if (copy_from_user(&enable, argp, sizeof(enable)))
2746 dev_drv->vsync_info.active = enable;
2749 case RK_FBIOGET_DSP_ADDR:
2750 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2751 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2754 case RK_FBIOGET_LIST_STA:
2755 list_stat = rk_fb_get_list_stat(dev_drv);
2756 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2760 case RK_FBIOGET_IOMMU_STA:
2761 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2762 sizeof(dev_drv->iommu_enabled)))
2765 #if defined(CONFIG_ION_ROCKCHIP)
2766 case RK_FBIOSET_DMABUF_FD:
2769 struct ion_handle *hdl;
2770 ion_phys_addr_t phy_addr;
2772 if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2774 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2775 ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2776 fix->smem_start = phy_addr;
2779 case RK_FBIOGET_DMABUF_FD:
2783 if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2785 "get dma_buf fd failed,ion handle is err\n");
2786 return PTR_ERR(fb_par->ion_hdl);
2788 fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2792 "ion_share_dma_buf_fd failed\n");
2795 if (copy_to_user(argp, &fd, sizeof(fd)))
2800 case RK_FBIOSET_CLEAR_FB:
2801 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2803 case RK_FBIOSET_CONFIG_DONE:
2806 struct timespec now;
2808 getnstimeofday(&now);
2809 curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2810 cfgdone_distlist[cfgdone_index++] =
2811 curr - cfgdone_lasttime;
2813 printk("%d ", curr - cfgdone_lasttime);
2815 cfgdone_lasttime = curr;
2816 if (cfgdone_index >= 10)
2819 if (copy_from_user(&win_data,
2820 (struct rk_fb_win_cfg_data __user *)argp,
2821 sizeof(win_data))) {
2826 dev_drv->wait_fs = win_data.wait_fs;
2827 rk_fb_set_win_config(info, &win_data);
2829 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2830 &win_data, sizeof(win_data))) {
2834 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2836 if (dev_drv->uboot_logo)
2837 dev_drv->uboot_logo = 0;
2841 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2848 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2850 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2851 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2852 struct fb_fix_screeninfo *fix = &info->fix;
2854 #if defined(CONFIG_RK_HDMI)
2855 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2858 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2861 mutex_lock(&dev_drv->switch_screen);
2862 #if defined(CONFIG_RK_HDMI)
2863 if ((rk_fb->disp_mode == ONE_DUAL) &&
2864 (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2865 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2869 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2871 mutex_unlock(&dev_drv->switch_screen);
2875 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2877 if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2878 (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2879 ((16 != var->bits_per_pixel) &&
2880 (32 != var->bits_per_pixel) &&
2881 (24 != var->bits_per_pixel))) {
2882 dev_err(info->dev, "%s check var fail 1:\n"
2883 "xres_vir:%d>>yres_vir:%d\n"
2884 "xres:%d>>yres:%d\n"
2885 "bits_per_pixel:%d\n",
2889 var->xres, var->yres, var->bits_per_pixel);
2893 if (((var->xoffset + var->xres) > var->xres_virtual) ||
2894 ((var->yoffset + var->yres) > (var->yres_virtual))) {
2895 dev_err(info->dev, "%s check_var fail 2:\n"
2896 "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2897 "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2902 var->yoffset, var->yres, var->yres_virtual);
2909 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2910 size_t count, loff_t *ppos)
2912 unsigned long p = *ppos;
2915 int c, cnt = 0, err = 0;
2916 unsigned long total_size;
2917 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2918 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2919 struct rk_lcdc_win *win = NULL;
2922 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2926 win = dev_drv->win[win_id];
2928 /* only read the current frame buffer */
2929 if (win->area[0].format == RGB565) {
2930 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2931 } else if ((win->area[0].format == YUV420) ||
2932 (win->area[0].format == YUV420_NV21)) {
2934 (win->area[0].y_vir_stride * win->area[0].yact * 6);
2936 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2938 if (p >= total_size)
2941 if (count >= total_size)
2944 if (count + p > total_size)
2945 count = total_size - p;
2947 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2951 src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2954 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2956 fb_memcpy_fromfb(dst, src, c);
2960 if (copy_to_user(buf, buffer, c)) {
2972 return (err) ? err : cnt;
2975 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2976 size_t count, loff_t *ppos)
2978 unsigned long p = *ppos;
2981 int c, cnt = 0, err = 0;
2982 unsigned long total_size;
2983 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2984 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2985 struct rk_lcdc_win *win = NULL;
2988 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2992 win = dev_drv->win[win_id];
2994 /* write the current frame buffer */
2995 if (win->area[0].format == RGB565)
2996 total_size = win->area[0].xact * win->area[0].yact << 1;
2998 total_size = win->area[0].xact * win->area[0].yact << 2;
3003 if (count > total_size) {
3008 if (count + p > total_size) {
3012 count = total_size - p;
3015 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3019 dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3022 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3025 if (copy_from_user(src, buf, c)) {
3030 fb_memcpy_tofb(dst, src, c);
3041 return (cnt) ? cnt : err;
3044 static int rk_fb_set_par(struct fb_info *info)
3046 struct fb_var_screeninfo *var = &info->var;
3047 struct fb_fix_screeninfo *fix = &info->fix;
3048 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3049 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3050 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
3051 struct rk_lcdc_win *win = NULL;
3052 struct rk_screen *screen = dev_drv->cur_screen;
3054 u32 cblen = 0, crlen = 0;
3055 u16 xsize = 0, ysize = 0; /* winx display window height/width --->LCDC_WINx_DSP_INFO */
3056 u32 xoffset = var->xoffset; /* offset from virtual to visible */
3057 u32 yoffset = var->yoffset;
3058 u16 xpos = (var->nonstd >> 8) & 0xfff; /*visiable pos in panel */
3059 u16 ypos = (var->nonstd >> 20) & 0xfff;
3060 u32 xvir = var->xres_virtual;
3061 u32 yvir = var->yres_virtual;
3062 u8 data_format = var->nonstd & 0xff;
3066 u32 stride, uv_stride;
3069 u16 uv_x_off, uv_y_off, uv_y_act;
3071 /*var->pixclock = dev_drv->pixclock;*/
3072 if (dev_drv->suspend_flag)
3074 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3078 win = dev_drv->win[win_id];
3080 /* if the application has specific the horizontal and vertical display size */
3081 if (var->grayscale >> 8) {
3082 xsize = (var->grayscale >> 8) & 0xfff;
3083 ysize = (var->grayscale >> 20) & 0xfff;
3084 if (xsize > screen->mode.xres)
3085 xsize = screen->mode.xres;
3086 if (ysize > screen->mode.yres)
3087 ysize = screen->mode.yres;
3088 } else { /*ohterwise full screen display */
3089 xsize = screen->mode.xres;
3090 ysize = screen->mode.yres;
3093 fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
3094 if (fb_data_fmt >= FBDC_RGB_565) {
3095 win->area[0].fbdc_en = 1;
3096 win->area[0].fbdc_cor_en = 1;
3098 win->area[0].fbdc_en = 0;
3099 win->area[0].fbdc_cor_en = 0;
3101 pixel_width = rk_fb_pixel_width(fb_data_fmt);
3102 vir_width_bit = pixel_width * xvir;
3103 /* pixel_width = byte_num * 8 */
3104 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3105 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3107 switch (fb_data_fmt) {
3111 stride = stride_32bit_1;
3112 uv_stride = stride_32bit_1 >> 1;
3113 uv_x_off = xoffset >> 1;
3115 fix->line_length = stride;
3116 cblen = crlen = (xvir * yvir) >> 1;
3117 uv_y_act = win->area[0].yact >> 1;
3119 case YUV420: /* nv12 */
3120 case YUV420_NV21: /* nv21 */
3123 stride = stride_32bit_1;
3124 uv_stride = stride_32bit_1;
3126 uv_y_off = yoffset >> 1;
3127 fix->line_length = stride;
3128 cblen = crlen = (xvir * yvir) >> 2;
3129 uv_y_act = win->area[0].yact >> 1;
3134 stride = stride_32bit_1;
3135 uv_stride = stride_32bit_2;
3136 uv_x_off = xoffset * 2;
3138 fix->line_length = stride << 2;
3139 cblen = crlen = (xvir * yvir);
3140 uv_y_act = win->area[0].yact;
3143 stride = stride_32bit_1; /* default rgb */
3144 fix->line_length = stride;
3148 win->area[0].format = fb_data_fmt;
3149 win->area[0].y_vir_stride = stride >> 2;
3150 win->area[0].uv_vir_stride = uv_stride >> 2;
3151 win->area[0].xpos = xpos;
3152 win->area[0].ypos = ypos;
3153 win->area[0].xsize = xsize;
3154 win->area[0].ysize = ysize;
3155 win->area[0].xact = var->xres; /* winx active window height,is a wint of vir */
3156 win->area[0].yact = var->yres;
3157 win->area[0].xvir = var->xres_virtual; /* virtual resolution stride --->LCDC_WINx_VIR */
3158 win->area[0].yvir = var->yres_virtual;
3159 win->area[0].xoff = xoffset;
3160 win->area[0].yoff = yoffset;
3163 win->alpha_mode = 4; /* AB_SRC_OVER; */
3164 win->alpha_en = ((win->area[0].format == ARGB888) ||
3165 (win->area[0].format == FBDC_ARGB_888) ||
3166 (win->area[0].format == FBDC_ABGR_888) ||
3167 (win->area[0].format == ABGR888)) ? 1 : 0;
3168 win->g_alpha_val = 0;
3170 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
3171 (win->area[0].format == YUV420 ||
3172 win->area[0].format == YUV420_NV21 ||
3173 win->area[0].format == YUV420_A)) {
3177 dev_drv->ops->set_par(dev_drv, win_id);
3182 static inline unsigned int chan_to_field(unsigned int chan,
3183 struct fb_bitfield *bf)
3186 chan >>= 16 - bf->length;
3187 return chan << bf->offset;
3190 static int fb_setcolreg(unsigned regno,
3191 unsigned red, unsigned green, unsigned blue,
3192 unsigned transp, struct fb_info *info)
3196 switch (info->fix.visual) {
3197 case FB_VISUAL_TRUECOLOR:
3198 /* true-colour, use pseudo-palette */
3200 u32 *pal = info->pseudo_palette;
3201 val = chan_to_field(red, &info->var.red);
3202 val |= chan_to_field(green, &info->var.green);
3203 val |= chan_to_field(blue, &info->var.blue);
3208 return -1; /* unknown type */
3214 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3216 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3217 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3218 struct ion_handle *handle = fb_par->ion_hdl;
3219 struct dma_buf *dma_buf = NULL;
3221 if (IS_ERR_OR_NULL(handle)) {
3222 dev_err(info->dev, "failed to get ion handle:%ld\n",
3226 dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3227 if (IS_ERR_OR_NULL(dma_buf)) {
3228 printk("get ion share dma buf failed\n");
3232 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3234 return dma_buf_mmap(dma_buf, vma, 0);
3237 static struct fb_ops fb_ops = {
3238 .owner = THIS_MODULE,
3239 .fb_open = rk_fb_open,
3240 .fb_release = rk_fb_close,
3241 .fb_check_var = rk_fb_check_var,
3242 .fb_set_par = rk_fb_set_par,
3243 .fb_blank = rk_fb_blank,
3244 .fb_ioctl = rk_fb_ioctl,
3245 .fb_compat_ioctl = rk_fb_ioctl,
3246 .fb_pan_display = rk_fb_pan_display,
3247 .fb_read = rk_fb_read,
3248 .fb_write = rk_fb_write,
3249 .fb_setcolreg = fb_setcolreg,
3250 .fb_fillrect = cfb_fillrect,
3251 .fb_copyarea = cfb_copyarea,
3252 .fb_imageblit = cfb_imageblit,
3255 static struct fb_var_screeninfo def_var = {
3256 #if defined(CONFIG_LOGO_LINUX_BMP)
3260 .transp = {0, 0, 0},
3261 .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3266 .transp = {0, 0, 0},
3267 .nonstd = HAL_PIXEL_FORMAT_RGB_565, /* (ypos<<20+xpos<<8+format) format */
3269 .grayscale = 0, /* (ysize<<20+xsize<<8) */
3270 .activate = FB_ACTIVATE_NOW,
3272 .vmode = FB_VMODE_NONINTERLACED,
3275 static struct fb_fix_screeninfo def_fix = {
3276 .type = FB_TYPE_PACKED_PIXELS,
3281 .accel = FB_ACCEL_NONE,
3282 .visual = FB_VISUAL_TRUECOLOR,
3286 static int rk_fb_wait_for_vsync_thread(void *data)
3288 struct rk_lcdc_driver *dev_drv = data;
3289 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3290 struct fb_info *fbi = rk_fb->fb[0];
3292 while (!kthread_should_stop()) {
3293 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3294 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3295 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3296 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3299 sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3305 static ssize_t rk_fb_vsync_show(struct device *dev,
3306 struct device_attribute *attr, char *buf)
3308 struct fb_info *fbi = dev_get_drvdata(dev);
3309 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3310 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3311 return scnprintf(buf, PAGE_SIZE, "%llu\n",
3312 ktime_to_ns(dev_drv->vsync_info.timestamp));
3315 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3318 * this two function is for other module that in the kernel which
3319 * need show image directly through fb
3320 * fb_id:we have 4 fb here,default we use fb0 for ui display
3322 struct fb_info *rk_get_fb(int fb_id)
3324 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3325 struct fb_info *fb = inf->fb[fb_id];
3328 EXPORT_SYMBOL(rk_get_fb);
3330 void rk_direct_fb_show(struct fb_info *fbi)
3333 rk_fb_pan_display(&fbi->var, fbi);
3335 EXPORT_SYMBOL(rk_direct_fb_show);
3337 int rk_fb_dpi_open(bool open)
3339 struct rk_lcdc_driver *dev_drv = NULL;
3340 dev_drv = rk_get_prmry_lcdc_drv();
3342 if (dev_drv->ops->dpi_open)
3343 dev_drv->ops->dpi_open(dev_drv, open);
3347 int rk_fb_dpi_win_sel(int win_id)
3349 struct rk_lcdc_driver *dev_drv = NULL;
3350 dev_drv = rk_get_prmry_lcdc_drv();
3352 if (dev_drv->ops->dpi_win_sel)
3353 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3357 int rk_fb_dpi_status(void)
3360 struct rk_lcdc_driver *dev_drv = NULL;
3362 dev_drv = rk_get_prmry_lcdc_drv();
3363 if (dev_drv->ops->dpi_status)
3364 ret = dev_drv->ops->dpi_status(dev_drv);
3370 * function: this function will be called by display device, enable/disable lcdc
3371 * @screen: screen timing to be set to lcdc
3372 * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3373 * @lcdc_id: the lcdc id the display device attached ,0 or 1
3375 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3377 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3378 struct fb_info *info = NULL;
3379 struct rk_fb_par *fb_par = NULL;
3380 struct rk_lcdc_driver *dev_drv = NULL;
3383 static bool load_screen = false;
3385 int ret, list_is_empty = 0;
3387 if (unlikely(!rk_fb) || unlikely(!screen))
3390 /* get lcdc driver */
3391 sprintf(name, "lcdc%d", lcdc_id);
3392 if (rk_fb->disp_mode != DUAL)
3393 dev_drv = rk_fb->lcdc_dev_drv[0];
3395 dev_drv = rk_get_lcdc_drv(name);
3397 if (dev_drv == NULL) {
3398 printk(KERN_ERR "%s driver not found!", name);
3401 if (screen->type == SCREEN_HDMI)
3402 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3404 else if (screen->type == SCREEN_TVOUT ||
3405 screen->type == SCREEN_TVOUT_TEST )
3406 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3408 if (enable == 2 /*&& dev_drv->enable*/)
3410 pr_info("switch:en=%d,lcdc_id=%d,screen type=%d,cur type=%d\n",
3411 enable, lcdc_id, screen->type, dev_drv->cur_screen->type);
3413 mutex_lock(&dev_drv->switch_screen);
3414 hdmi_switch_state = 0;
3415 dev_drv->hdmi_switch = 1;
3416 if (!dev_drv->uboot_logo) {
3418 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
3419 list_empty(&dev_drv->saved_list);
3420 if (!list_is_empty) {
3421 ret = wait_event_timeout(dev_drv->update_regs_wait,
3422 list_empty(&dev_drv->update_regs_list) &&
3423 list_empty(&dev_drv->saved_list),
3424 msecs_to_jiffies(60));
3426 pr_info("%s: wait update_regs_wait timeout\n",
3431 envp[0] = "switch screen";
3432 envp[1] = kmalloc(32, GFP_KERNEL);
3433 if (envp[1] == NULL) {
3434 pr_err("switch screen kmalloc envp[1] fail\n");
3435 mutex_unlock(&dev_drv->switch_screen);
3438 sprintf(envp[1], "SCREEN=%d,ENABLE=%d", screen->type, enable);
3441 if ((rk_fb->disp_mode == ONE_DUAL) ||
3442 (rk_fb->disp_mode == NO_DUAL)) {
3443 if ((dev_drv->ops->backlight_close) &&
3444 (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3445 (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))
3446 dev_drv->ops->backlight_close(dev_drv, 1);
3447 if (!dev_drv->uboot_logo || load_screen ||
3448 ((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3449 (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))) {
3450 if (dev_drv->ops->dsp_black)
3451 dev_drv->ops->dsp_black(dev_drv, 0);
3453 if ((dev_drv->ops->set_screen_scaler) &&
3454 (rk_fb->disp_mode == ONE_DUAL))
3455 dev_drv->ops->set_screen_scaler(dev_drv,
3456 dev_drv->screen0, 0);
3459 /* if screen type is different, we do not disable lcdc. */
3460 if (dev_drv->cur_screen->type != screen->type) {
3461 dev_drv->hdmi_switch = 0;
3462 mutex_unlock(&dev_drv->switch_screen);
3467 /* if used one lcdc to dual disp, no need to close win */
3468 if ((rk_fb->disp_mode == ONE_DUAL) ||
3469 ((rk_fb->disp_mode == NO_DUAL) &&
3470 (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3471 (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))) {
3472 dev_drv->cur_screen = dev_drv->screen0;
3473 dev_drv->ops->load_screen(dev_drv, 1);
3474 /* force modify dsp size */
3475 info = rk_fb->fb[dev_drv->fb_index_base];
3476 info->var.grayscale &= 0xff;
3477 info->var.grayscale |=
3478 (dev_drv->cur_screen->mode.xres << 8) +
3479 (dev_drv->cur_screen->mode.yres << 20);
3480 mutex_lock(&dev_drv->win_config);
3481 info->var.xoffset = 0;
3482 info->var.yoffset = 0;
3483 info->fbops->fb_set_par(info);
3484 info->fbops->fb_pan_display(&info->var, info);
3485 mutex_unlock(&dev_drv->win_config);
3488 * if currently is loader display, black until new
3491 if (dev_drv->uboot_logo) {
3492 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3493 if (dev_drv->win[i] && dev_drv->win[i]->state)
3494 dev_drv->ops->open(dev_drv, i, 0);
3498 /*if (dev_drv->ops->dsp_black)
3499 dev_drv->ops->dsp_black(dev_drv, 0);*/
3500 if ((dev_drv->ops->backlight_close) &&
3501 (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3502 (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))
3503 dev_drv->ops->backlight_close(dev_drv, 0);
3504 } else if (rk_fb->num_lcdc > 1) {
3505 /* If there is more than one lcdc device, we disable
3506 the layer which attached to this device */
3507 dev_drv->suspend_flag = 1;
3508 flush_kthread_worker(&dev_drv->update_regs_worker);
3509 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3510 if (dev_drv->win[i] && dev_drv->win[i]->state)
3511 dev_drv->ops->open(dev_drv, i, 0);
3514 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3517 hdmi_switch_state = 0;
3518 dev_drv->hdmi_switch = 0;
3519 mutex_unlock(&dev_drv->switch_screen);
3522 if (dev_drv->screen1)
3523 dev_drv->cur_screen = dev_drv->screen1;
3525 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3526 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3527 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3528 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3529 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3531 if (!dev_drv->uboot_logo || load_screen ||
3532 ((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3533 (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))) {
3534 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3535 info = rk_fb->fb[dev_drv->fb_index_base + i];
3536 fb_par = (struct rk_fb_par *)info->par;
3537 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3538 if (dev_drv->win[win_id]) {
3539 if (fb_par->state) {
3540 dev_drv->ops->load_screen(dev_drv, 1);
3542 info->var.activate |= FB_ACTIVATE_FORCE;
3543 if (rk_fb->disp_mode == ONE_DUAL) {
3544 info->var.grayscale &= 0xff;
3545 info->var.grayscale |=
3546 (dev_drv->cur_screen->xsize << 8) +
3547 (dev_drv->cur_screen->ysize << 20);
3549 if (dev_drv->uboot_logo) {
3550 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3551 if (dev_drv->win[i] && dev_drv->win[i]->state)
3552 dev_drv->ops->open(dev_drv, i, 0);
3554 } else if (!dev_drv->win[win_id]->state) {
3555 dev_drv->ops->open(dev_drv, win_id, 1);
3556 dev_drv->suspend_flag = 0;
3557 mutex_lock(&dev_drv->win_config);
3558 info->var.xoffset = 0;
3559 info->var.yoffset = 0;
3560 info->fbops->fb_set_par(info);
3561 info->fbops->fb_pan_display(&info->var, info);
3562 mutex_unlock(&dev_drv->win_config);
3568 dev_drv->ops->load_screen(dev_drv, 0);
3570 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3573 hdmi_switch_state = 1;
3575 dev_drv->hdmi_switch = 0;
3576 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3577 if ((dev_drv->ops->set_screen_scaler) &&
3578 (rk_fb->disp_mode == ONE_DUAL))
3579 dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3580 /*if (dev_drv->ops->dsp_black)
3581 dev_drv->ops->dsp_black(dev_drv, 0);*/
3582 if ((dev_drv->ops->backlight_close) &&
3583 (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3584 (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP) &&
3585 (rk_fb->disp_mode == ONE_DUAL))
3586 dev_drv->ops->backlight_close(dev_drv, 0);
3588 mutex_unlock(&dev_drv->switch_screen);
3593 * function:this function current only called by hdmi for
3595 * scale_x: scale rate of x resolution
3596 * scale_y: scale rate of y resolution
3597 * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3599 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3601 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3602 struct fb_info *info = NULL;
3603 struct fb_info *pmy_info = NULL;
3604 struct fb_var_screeninfo *var = NULL;
3605 struct rk_lcdc_driver *dev_drv = NULL;
3606 u16 screen_x, screen_y;
3609 struct rk_screen primary_screen;
3610 rk_fb_get_prmry_screen(&primary_screen);
3611 if (primary_screen.type == SCREEN_HDMI) {
3614 pr_err("fuck not be hear--%s\n",__func__);
3617 sprintf(name, "lcdc%d", lcdc_id);
3619 if (inf->disp_mode == DUAL) {
3620 dev_drv = rk_get_lcdc_drv(name);
3621 if (dev_drv == NULL) {
3622 printk(KERN_ERR "%s driver not found!", name);
3626 dev_drv = inf->lcdc_dev_drv[0];
3629 if (inf->num_lcdc == 1) {
3631 } else if (inf->num_lcdc == 2) {
3632 info = inf->fb[dev_drv->lcdc_win_num];
3633 pmy_info = inf->fb[0];
3637 screen_x = dev_drv->cur_screen->mode.xres;
3638 screen_y = dev_drv->cur_screen->mode.yres;
3640 if (inf->disp_mode != DUAL && dev_drv->screen1) {
3641 dev_drv->cur_screen->xpos =
3642 (screen_x - screen_x * scale_x / 100) >> 1;
3643 dev_drv->cur_screen->ypos =
3644 (screen_y - screen_y * scale_y / 100) >> 1;
3645 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3646 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3648 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3649 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3650 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3651 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3652 if (inf->disp_mode == ONE_DUAL) {
3653 var->nonstd &= 0xff;
3654 var->nonstd |= (xpos << 8) + (ypos << 20);
3655 var->grayscale &= 0xff;
3657 (dev_drv->cur_screen->xsize << 8) +
3658 (dev_drv->cur_screen->ysize << 20);
3662 mutex_lock(&dev_drv->win_config);
3663 info->fbops->fb_set_par(info);
3664 dev_drv->ops->cfg_done(dev_drv);
3665 mutex_unlock(&dev_drv->win_config);
3670 #if defined(CONFIG_ION_ROCKCHIP)
3671 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3672 struct rk_lcdc_win *win,
3673 unsigned long fb_mem_size)
3675 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3676 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3677 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3678 struct ion_handle *handle;
3679 ion_phys_addr_t phy_addr;
3683 if (dev_drv->iommu_enabled)
3684 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3685 ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3687 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3688 ION_HEAP(ION_CMA_HEAP_ID), 0);
3689 if (IS_ERR(handle)) {
3690 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3695 fb_par->ion_hdl = handle;
3696 win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3697 if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3698 printk("ion_share_dma_buf() failed\n");
3699 goto err_share_dma_buf;
3701 win->area[0].ion_hdl = handle;
3702 if (dev_drv->prop == PRMRY)
3703 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3704 #ifdef CONFIG_ROCKCHIP_IOMMU
3705 if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3706 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3707 (unsigned long *)&phy_addr,
3708 (unsigned long *)&len);
3710 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3712 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3715 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3716 goto err_share_dma_buf;
3718 fbi->fix.smem_start = phy_addr;
3719 fbi->fix.smem_len = len;
3720 printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3724 ion_free(rk_fb->ion_client, handle);
3729 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3731 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3732 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3733 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3734 struct rk_lcdc_win *win = NULL;
3737 unsigned long fb_mem_size;
3738 #if !defined(CONFIG_ION_ROCKCHIP)
3739 dma_addr_t fb_mem_phys;
3743 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3747 win = dev_drv->win[win_id];
3749 if (!strcmp(fbi->fix.id, "fb0")) {
3750 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3751 #if defined(CONFIG_ION_ROCKCHIP)
3752 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3755 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3756 &fb_mem_phys, GFP_KERNEL);
3758 pr_err("%s: Failed to allocate framebuffer\n",
3762 fbi->fix.smem_len = fb_mem_size;
3763 fbi->fix.smem_start = fb_mem_phys;
3764 fbi->screen_base = fb_mem_virt;
3766 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3768 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3769 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3770 fbi->screen_base = rk_fb->fb[0]->screen_base;
3773 fbi->screen_size = fbi->fix.smem_len;
3774 fb_par->fb_phy_base = fbi->fix.smem_start;
3775 fb_par->fb_virt_base = fbi->screen_base;
3776 fb_par->fb_size = fbi->fix.smem_len;
3778 pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3779 fbi->fix.smem_start, fbi->screen_base,
3785 static int rk_release_fb_buffer(struct fb_info *fbi)
3787 /* buffer for fb1 and fb3 are alloc by android */
3788 if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3790 iounmap(fbi->screen_base);
3791 release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3796 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3797 struct rk_lcdc_win *def_win)
3800 int lcdc_win_num = dev_drv->lcdc_win_num;
3802 for (i = 0; i < lcdc_win_num; i++) {
3803 struct rk_lcdc_win *win = NULL;
3804 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3806 dev_err(dev_drv->dev, "kzmalloc for win fail!");
3810 strcpy(win->name, def_win[i].name);
3811 win->id = def_win[i].id;
3812 win->support_3d = def_win[i].support_3d;
3813 dev_drv->win[i] = win;
3819 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3820 struct rk_lcdc_win *def_win, int index)
3822 struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3823 struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3824 sizeof(struct rk_screen),
3829 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3834 screen->screen_id = 0;
3835 screen->lcdc_id = dev_drv->id;
3836 screen->overscan.left = 100;
3837 screen->overscan.top = 100;
3838 screen->overscan.right = 100;
3839 screen->overscan.bottom = 100;
3841 screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3842 screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3844 dev_drv->screen0 = screen;
3845 dev_drv->cur_screen = screen;
3846 /* devie use one lcdc + rk61x scaler for dual display */
3847 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3848 struct rk_screen *screen1 =
3849 devm_kzalloc(dev_drv->dev,
3850 sizeof(struct rk_screen),
3853 dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3857 screen1->screen_id = 1;
3858 screen1->lcdc_id = 1;
3859 dev_drv->screen1 = screen1;
3861 sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3862 init_lcdc_win(dev_drv, def_win);
3863 init_completion(&dev_drv->frame_done);
3864 spin_lock_init(&dev_drv->cpl_lock);
3865 mutex_init(&dev_drv->fb_win_id_mutex);
3866 mutex_init(&dev_drv->win_config);
3867 mutex_init(&dev_drv->front_lock);
3868 mutex_init(&dev_drv->switch_screen);
3869 dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3870 dev_drv->first_frame = 1;
3871 dev_drv->overscan.left = 100;
3872 dev_drv->overscan.top = 100;
3873 dev_drv->overscan.right = 100;
3874 dev_drv->overscan.bottom = 100;
3875 for (i = 0; i < RK30_MAX_LAYER_SUPPORT; i++)
3876 dev_drv->area_support[i] = 1;
3877 if (dev_drv->ops->area_support_num)
3878 dev_drv->ops->area_support_num(dev_drv, dev_drv->area_support);
3879 rk_disp_pwr_ctr_parse_dt(dev_drv);
3880 if (dev_drv->prop == PRMRY) {
3881 rk_fb_set_prmry_screen(screen);
3882 rk_fb_get_prmry_screen(screen);
3884 dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3885 if (dev_drv->prop != PRMRY)
3886 rk_fb_get_prmry_screen(screen);
3887 dev_drv->output_color = screen->color_mode;
3892 #ifdef CONFIG_LOGO_LINUX_BMP
3893 static struct linux_logo *bmp_logo;
3894 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3896 bmp_logo = fb_find_logo(24);
3897 if (bmp_logo == NULL) {
3898 printk(KERN_INFO "%s error\n", __func__);
3904 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3906 unsigned char *src = bmp_logo->data;
3907 unsigned char *dst = info->screen_base;
3909 unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3910 unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3912 for (i = 0; i < Needheight; i++)
3913 memcpy(dst + info->var.xres * i * 4,
3914 src + bmp_logo->width * i * 4, Needwidth * 4);
3919 * check if the primary lcdc has registerd,
3920 * the primary lcdc mas register first
3922 bool is_prmry_rk_lcdc_registered(void)
3924 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3926 if (rk_fb->lcdc_dev_drv[0])
3932 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3933 struct rk_lcdc_win *win, int id)
3935 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3936 struct fb_info *fbi;
3937 struct rk_fb_par *fb_par = NULL;
3938 int i = 0, ret = 0, index = 0;
3939 unsigned long flags;
3941 if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3944 for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3945 if (!rk_fb->lcdc_dev_drv[i]) {
3946 rk_fb->lcdc_dev_drv[i] = dev_drv;
3947 rk_fb->lcdc_dev_drv[i]->id = id;
3954 init_lcdc_device_driver(rk_fb, win, index);
3955 dev_drv->fb_index_base = rk_fb->num_fb;
3956 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3957 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3959 dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3962 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
3965 dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
3969 fb_par->id = rk_fb->num_fb;
3970 fb_par->lcdc_drv = dev_drv;
3971 fbi->par = (void *)fb_par;
3974 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3975 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3976 fbi->var.grayscale |=
3977 (fbi->var.xres << 8) + (fbi->var.yres << 20);
3978 #if defined(CONFIG_LOGO_LINUX_BMP)
3979 fbi->var.bits_per_pixel = 32;
3981 fbi->var.bits_per_pixel = 16;
3983 fbi->fix.line_length =
3984 (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3985 fbi->var.width = dev_drv->cur_screen->width;
3986 fbi->var.height = dev_drv->cur_screen->height;
3987 if (dev_drv->iommu_enabled)
3988 fb_ops.fb_mmap = rk_fb_mmap;
3989 fbi->fbops = &fb_ops;
3990 fbi->flags = FBINFO_FLAG_DEFAULT;
3991 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3992 ret = register_framebuffer(fbi);
3994 dev_err(&fb_pdev->dev,
3995 "%s fb%d register_framebuffer fail!\n",
3996 __func__, rk_fb->num_fb);
3999 rkfb_create_sysfs(fbi);
4000 rk_fb->fb[rk_fb->num_fb] = fbi;
4001 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
4006 init_waitqueue_head(&dev_drv->vsync_info.wait);
4007 init_waitqueue_head(&dev_drv->update_regs_wait);
4008 ret = device_create_file(fbi->dev, &dev_attr_vsync);
4011 "failed to create vsync file\n");
4012 dev_drv->vsync_info.thread =
4013 kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
4015 if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
4017 "failed to run vsync thread\n");
4018 dev_drv->vsync_info.thread = NULL;
4020 dev_drv->vsync_info.active = 1;
4022 mutex_init(&dev_drv->output_lock);
4024 INIT_LIST_HEAD(&dev_drv->update_regs_list);
4025 mutex_init(&dev_drv->update_regs_list_lock);
4026 init_kthread_worker(&dev_drv->update_regs_worker);
4028 dev_drv->update_regs_thread =
4029 kthread_run(kthread_worker_fn,
4030 &dev_drv->update_regs_worker, "rk-fb");
4031 if (IS_ERR(dev_drv->update_regs_thread)) {
4032 int err = PTR_ERR(dev_drv->update_regs_thread);
4033 dev_drv->update_regs_thread = NULL;
4035 printk("failed to run update_regs thread\n");
4038 init_kthread_work(&dev_drv->update_regs_work,
4039 rk_fb_update_regs_handler);
4042 sw_sync_timeline_create("fb-timeline");
4043 dev_drv->timeline_max = 1;
4047 /* show logo for primary display device */
4048 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
4049 if (dev_drv->prop == PRMRY) {
4053 struct fb_info *main_fbi = rk_fb->fb[0];
4054 main_fbi->fbops->fb_open(main_fbi, 1);
4055 main_fbi->var.pixclock = dev_drv->pixclock;
4056 #if defined(CONFIG_ROCKCHIP_IOMMU)
4057 if (dev_drv->iommu_enabled) {
4058 if (dev_drv->mmu_dev)
4059 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4060 rk_fb_sysmmu_fault_handler);
4064 rk_fb_alloc_buffer(main_fbi); /* only alloc memory for main fb */
4065 dev_drv->uboot_logo = support_uboot_display();
4067 if (dev_drv->uboot_logo &&
4068 uboot_logo_offset && uboot_logo_base) {
4069 int width, height, bits;
4070 phys_addr_t start = uboot_logo_base + uboot_logo_offset;
4071 unsigned int size = uboot_logo_size - uboot_logo_offset;
4072 unsigned int nr_pages;
4073 struct page **pages;
4077 if (dev_drv->ops->get_dspbuf_info)
4078 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4079 &yact, &format, &dsp_addr);
4080 nr_pages = size >> PAGE_SHIFT;
4081 pages = kzalloc(sizeof(struct page) * nr_pages,
4083 while (i < nr_pages) {
4084 pages[i] = phys_to_page(start);
4088 vaddr = vmap(pages, nr_pages, VM_MAP,
4089 pgprot_writecombine(PAGE_KERNEL));
4091 pr_err("failed to vmap phy addr 0x%lx\n",
4092 (long)(uboot_logo_base +
4093 uboot_logo_offset));
4097 if(bmpdecoder(vaddr, main_fbi->screen_base, &width,
4105 if (dev_drv->uboot_logo &&
4106 (width != xact || height != yact)) {
4107 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
4108 xact, yact, width, height);
4111 local_irq_save(flags);
4112 if (dev_drv->ops->wait_frame_start)
4113 dev_drv->ops->wait_frame_start(dev_drv, 0);
4114 if (dev_drv->ops->post_dspbuf) {
4115 dev_drv->ops->post_dspbuf(dev_drv,
4116 main_fbi->fix.smem_start,
4117 rk_fb_data_fmt(0, bits),
4118 width, height, width * bits >> 5);
4120 if (dev_drv->iommu_enabled) {
4121 rk_fb_poll_wait_frame_complete();
4122 if (dev_drv->ops->mmu_en)
4123 dev_drv->ops->mmu_en(dev_drv);
4126 local_irq_restore(flags);
4128 } else if (dev_drv->uboot_logo && uboot_logo_base) {
4129 u32 start = uboot_logo_base;
4130 u32 start_base = start;
4132 unsigned int nr_pages;
4133 struct page **pages;
4136 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4139 logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
4140 if (logo_len > uboot_logo_size ||
4141 logo_len > main_fbi->fix.smem_len) {
4142 pr_err("logo size > uboot reserve buffer size\n");
4146 nr_pages = uboot_logo_size >> PAGE_SHIFT;
4147 pages = kzalloc(sizeof(struct page) * nr_pages,
4149 while (i < nr_pages) {
4150 pages[i] = phys_to_page(start);
4154 vaddr = vmap(pages, nr_pages, VM_MAP,
4155 pgprot_writecombine(PAGE_KERNEL));
4157 pr_err("failed to vmap phy addr 0x%x\n",
4162 memcpy(main_fbi->screen_base, vaddr, logo_len);
4166 local_irq_save(flags);
4167 if (dev_drv->ops->wait_frame_start)
4168 dev_drv->ops->wait_frame_start(dev_drv, 0);
4169 dev_drv->ops->post_dspbuf(dev_drv,
4170 main_fbi->fix.smem_start,
4172 xact * rk_fb_pixel_width(format) >> 5);
4173 if (dev_drv->iommu_enabled) {
4174 rk_fb_poll_wait_frame_complete();
4175 if (dev_drv->ops->mmu_en)
4176 dev_drv->ops->mmu_en(dev_drv);
4179 local_irq_restore(flags);
4182 if (dev_drv->iommu_enabled) {
4183 if (dev_drv->ops->mmu_en)
4184 dev_drv->ops->mmu_en(dev_drv);
4188 #if defined(CONFIG_LOGO)
4189 main_fbi->fbops->fb_set_par(main_fbi);
4190 #if defined(CONFIG_LOGO_LINUX_BMP)
4191 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
4192 fb_set_cmap(&main_fbi->cmap, main_fbi);
4193 fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
4196 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
4197 fb_set_cmap(&main_fbi->cmap, main_fbi);
4198 fb_show_logo(main_fbi, FB_ROTATE_UR);
4201 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
4204 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
4205 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
4206 rk_fb_alloc_buffer(extend_fbi);
4212 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
4214 struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
4215 struct fb_info *fbi;
4216 int fb_index_base = dev_drv->fb_index_base;
4217 int fb_num = dev_drv->lcdc_win_num;
4220 if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4221 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4222 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4225 for (i = 0; i < fb_num; i++)
4226 kfree(dev_drv->win[i]);
4228 for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4229 fbi = fb_inf->fb[i];
4230 unregister_framebuffer(fbi);
4231 /* rk_release_fb_buffer(fbi); */
4232 framebuffer_release(fbi);
4234 fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4240 static int rk_fb_probe(struct platform_device *pdev)
4242 struct rk_fb *rk_fb = NULL;
4243 struct device_node *np = pdev->dev.of_node;
4247 dev_err(&pdev->dev, "Missing device tree node.\n");
4251 rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4253 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4256 platform_set_drvdata(pdev, rk_fb);
4258 if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4259 rk_fb->disp_mode = mode;
4262 dev_err(&pdev->dev, "no disp-mode node found!");
4266 if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
4267 rk_fb->disp_policy = mode;
4268 pr_info("fb disp policy is %s\n", rk_fb->disp_policy ? "box":"sdk");
4271 if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4272 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
4274 dev_set_name(&pdev->dev, "rockchip-fb");
4275 #if defined(CONFIG_ION_ROCKCHIP)
4276 rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4277 if (IS_ERR(rk_fb->ion_client)) {
4278 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4279 return PTR_ERR(rk_fb->ion_client);
4281 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4286 dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4290 static int rk_fb_remove(struct platform_device *pdev)
4292 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4295 platform_set_drvdata(pdev, NULL);
4299 static void rk_fb_shutdown(struct platform_device *pdev)
4301 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4304 for (i = 0; i < rk_fb->num_lcdc; i++) {
4305 if (!rk_fb->lcdc_dev_drv[i])
4307 sw_sync_timeline_inc(rk_fb->lcdc_dev_drv[i]->timeline, 1);
4311 static const struct of_device_id rkfb_dt_ids[] = {
4312 {.compatible = "rockchip,rk-fb",},
4316 static struct platform_driver rk_fb_driver = {
4317 .probe = rk_fb_probe,
4318 .remove = rk_fb_remove,
4321 .owner = THIS_MODULE,
4322 .of_match_table = of_match_ptr(rkfb_dt_ids),
4324 .shutdown = rk_fb_shutdown,
4327 static int __init rk_fb_init(void)
4329 return platform_driver_register(&rk_fb_driver);
4332 static void __exit rk_fb_exit(void)
4334 platform_driver_unregister(&rk_fb_driver);
4337 fs_initcall(rk_fb_init);
4338 module_exit(rk_fb_exit);