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);
1405 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1409 i = list_empty(&dev_drv->update_regs_list);
1410 j = list_empty(&dev_drv->saved_list);
1411 return i == j ? 0 : 1;
1414 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1416 int err = sync_fence_wait(fence, 1000);
1422 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1425 printk("error waiting on fence\n");
1428 static int rk_fb_copy_from_loader(struct fb_info *info)
1430 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1431 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1432 void *dst = info->screen_base;
1437 struct rk_lcdc_win *win;
1439 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1440 win = dev_drv->win[win_id];
1441 size = (win->area[0].xact) * (win->area[0].yact) << 2;
1442 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1443 src = dsp_addr[win_id];
1444 dev_info(info->dev, "copy fb data %d x %d from dst_addr:%08x\n",
1445 win->area[0].xact, win->area[0].yact, src);
1446 for (i = 0; i < size; i += PAGE_SIZE) {
1447 void *page = phys_to_page(i + src);
1448 void *from_virt = kmap(page);
1449 void *to_virt = dst + i;
1450 memcpy(to_virt, from_virt, PAGE_SIZE);
1452 dev_drv->ops->direct_set_addr(dev_drv, win_id,
1453 info->fix.smem_start);
1457 #ifdef CONFIG_ROCKCHIP_IOMMU
1458 static int g_last_addr[5][4];
1459 static int g_now_config_addr[5][4];
1460 static int g_last_state[5][4];
1461 static int g_now_config_state[5][4];
1466 #define DUMP_CHUNK 256
1467 char buf[PAGE_SIZE];
1469 int rk_fb_sysmmu_fault_handler(struct device *dev,
1470 enum rk_iommu_inttype itype,
1471 unsigned long pgtable_base,
1472 unsigned long fault_addr, unsigned int status)
1474 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1476 static int page_fault_cnt;
1477 if ((page_fault_cnt++) >= 10)
1480 ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1481 fault_addr, pgtable_base, status);
1482 pr_info("last config addr:\n");
1483 for (i = 0; i < 4; i++) {
1484 for (j = 0; j < 4; j++)
1485 pr_info("win[%d],area[%d] = 0x%08x\n",
1486 i, j, g_last_addr[i][j]);
1488 pr_info("last freed buffer:\n");
1489 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1490 printk("%d:0x%08x\n", i, freed_addr[i]);
1491 printk("last timeout:%d\n", g_last_timeout);
1492 dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1493 for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1494 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1495 char c = buf[i + DUMP_CHUNK];
1496 buf[i + DUMP_CHUNK] = 0;
1497 pr_cont("%s", buf + i);
1498 buf[i + DUMP_CHUNK] = c;
1500 buf[PAGE_SIZE - 1] = 0;
1501 pr_cont("%s", buf + i);
1509 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1510 struct rk_fb_reg_win_data *reg_win_data)
1513 struct rk_fb_reg_area_data *area_data;
1514 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1516 for (i = 0; i < reg_win_data->area_num; i++) {
1517 area_data = ®_win_data->reg_area_data[i];
1518 index_buf = area_data->index_buf;
1519 #if defined(CONFIG_ROCKCHIP_IOMMU)
1520 if (dev_drv->iommu_enabled) {
1521 if ((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
1522 (area_data->ion_handle != NULL))
1523 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1524 area_data->ion_handle);
1525 freed_addr[freed_index++] = area_data->smem_start;
1528 if (area_data->ion_handle != NULL)
1529 ion_free(rk_fb->ion_client, area_data->ion_handle);
1531 if (area_data->acq_fence)
1532 sync_fence_put(area_data->acq_fence);
1534 memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1537 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1538 struct rk_lcdc_win *win,
1539 struct rk_fb_reg_win_data *reg_win_data)
1542 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1543 struct rk_screen *cur_screen;
1544 struct rk_screen primary_screen;
1546 if (unlikely(!inf) || unlikely(!dev_drv) ||
1547 unlikely(!win) || unlikely(!reg_win_data))
1550 cur_screen = dev_drv->cur_screen;
1551 rk_fb_get_prmry_screen(&primary_screen);
1553 win->area_num = reg_win_data->area_num;
1554 win->id = reg_win_data->win_id;
1555 win->z_order = reg_win_data->z_order;
1557 if (reg_win_data->reg_area_data[0].smem_start > 0) {
1559 win->area_num = reg_win_data->area_num;
1560 win->id = reg_win_data->win_id;
1561 win->z_order = reg_win_data->z_order;
1562 win->area[0].uv_vir_stride =
1563 reg_win_data->reg_area_data[0].uv_vir_stride;
1564 win->area[0].cbr_start =
1565 reg_win_data->reg_area_data[0].cbr_start;
1566 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1567 win->alpha_en = reg_win_data->alpha_en;
1568 win->alpha_mode = reg_win_data->alpha_mode;
1569 win->g_alpha_val = reg_win_data->g_alpha_val;
1570 win->mirror_en = reg_win_data->mirror_en;
1571 win->area[0].fbdc_en =
1572 reg_win_data->reg_area_data[0].fbdc_en;
1573 win->area[0].fbdc_cor_en =
1574 reg_win_data->reg_area_data[0].fbdc_cor_en;
1575 win->area[0].fbdc_data_format =
1576 reg_win_data->reg_area_data[0].fbdc_data_format;
1577 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1578 if (reg_win_data->reg_area_data[i].smem_start > 0) {
1579 win->area[i].format =
1580 reg_win_data->reg_area_data[i].data_format;
1581 if (inf->disp_policy != DISPLAY_POLICY_BOX)
1582 win->area[i].ion_hdl =
1583 reg_win_data->reg_area_data[i].ion_handle;
1584 win->area[i].smem_start =
1585 reg_win_data->reg_area_data[i].smem_start;
1586 if (inf->disp_mode == DUAL ||
1587 inf->disp_mode == NO_DUAL ||
1588 inf->disp_policy == DISPLAY_POLICY_BOX) {
1590 reg_win_data->reg_area_data[i].xpos;
1592 reg_win_data->reg_area_data[i].ypos;
1593 win->area[i].xsize =
1594 reg_win_data->reg_area_data[i].xsize;
1595 win->area[i].ysize =
1596 reg_win_data->reg_area_data[i].ysize;
1599 reg_win_data->reg_area_data[i].xpos *
1600 cur_screen->mode.xres /
1601 primary_screen.mode.xres;
1603 reg_win_data->reg_area_data[i].ypos *
1604 cur_screen->mode.yres /
1605 primary_screen.mode.yres;
1606 win->area[i].xsize =
1607 reg_win_data->reg_area_data[i].xsize *
1608 cur_screen->mode.xres /
1609 primary_screen.mode.xres;
1610 win->area[i].ysize =
1611 reg_win_data->reg_area_data[i].ysize *
1612 cur_screen->mode.yres /
1613 primary_screen.mode.yres;
1615 /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1616 if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
1617 if (cur_screen->xsize > 0 &&
1618 cur_screen->xsize <= cur_screen->mode.xres) {
1620 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1621 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1622 win->area[i].xsize =
1623 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1625 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1627 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1628 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1629 win->area[i].ysize =
1630 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1635 reg_win_data->reg_area_data[i].xact;
1637 reg_win_data->reg_area_data[i].yact;
1639 reg_win_data->reg_area_data[i].xvir;
1641 reg_win_data->reg_area_data[i].yvir;
1643 reg_win_data->reg_area_data[i].xoff;
1645 reg_win_data->reg_area_data[i].yoff;
1646 win->area[i].y_offset =
1647 reg_win_data->reg_area_data[i].y_offset;
1648 win->area[i].y_vir_stride =
1649 reg_win_data->reg_area_data[i].y_vir_stride;
1650 win->area[i].state = 1;
1651 #if defined(CONFIG_ROCKCHIP_IOMMU)
1652 if (dev_drv->iommu_enabled) {
1653 g_now_config_addr[win->id][i] =
1654 win->area[i].smem_start +
1655 win->area[i].y_offset;
1656 g_now_config_state[win->id][i] = 1;
1660 win->area[i].state = 0;
1661 #if defined(CONFIG_ROCKCHIP_IOMMU)
1662 if (dev_drv->iommu_enabled) {
1663 g_now_config_addr[win->id][i] = 0;
1664 g_now_config_state[win->id][i] = 0;
1672 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1676 struct rk_fb_reg_win_data *win_data = NULL;
1677 for (i = 0; i < regs->win_num; i++) {
1678 if (regs->reg_win_data[i].win_id == win_id) {
1679 win_data = &(regs->reg_win_data[i]);
1687 static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
1688 struct rk_fb_reg_data *regs,
1691 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1692 int i, j, wait_for_vsync = false;
1693 unsigned int dsp_addr[5][4];
1696 if (dev_drv->ops->get_dsp_addr)
1697 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1699 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1700 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1701 (!strcmp(dev_drv->win[i]->name, "hwc")))
1704 for (j = 0;j < RK_WIN_MAX_AREA; j++) {
1705 if ((j > 0) && (dev_drv->area_support[i] == 1)) {
1708 if (dev_drv->win[i]->area[j].state == 1) {
1710 dev_drv->win[i]->area[j].smem_start +
1711 dev_drv->win[i]->area[j].y_offset;
1712 u32 reg_start = dsp_addr[i][j];
1713 if ((rk_fb->disp_policy ==
1714 DISPLAY_POLICY_BOX) &&
1715 (dev_drv->suspend_flag))
1717 if (unlikely(new_start != reg_start)) {
1718 wait_for_vsync = true;
1719 dev_info(dev_drv->dev,
1720 "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1721 i, new_start, reg_start, 101 - count);
1724 } else if (dev_drv->win[i]->area[j].state == 0) {
1725 if (dev_drv->ops->get_win_state) {
1727 dev_drv->ops->get_win_state(dev_drv, i, j);
1729 wait_for_vsync = true;
1732 pr_err("!!!win[%d]state:%d,error!!!\n",
1733 i, dev_drv->win[i]->state);
1738 return wait_for_vsync;
1741 static int rk_fb_iommu_page_fault_dump(struct rk_lcdc_driver *dev_drv)
1743 int i, j, state, page_fault = 0;
1744 unsigned int dsp_addr[5][4];
1746 if (dev_drv->ops->extern_func) {
1747 dev_drv->ops->extern_func(dev_drv, UNMASK_PAGE_FAULT);
1748 page_fault = dev_drv->ops->extern_func(dev_drv, GET_PAGE_FAULT);
1751 pr_info("last config:\n");
1752 for(i = 0; i < dev_drv->lcdc_win_num; i++) {
1753 for(j = 0; j < RK_WIN_MAX_AREA; j++) {
1754 if ((j > 0) && (dev_drv->area_support[i] == 1))
1756 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1757 i, j, g_last_state[i][j], g_last_addr[i][j]);
1761 pr_info("last freed buffer:\n");
1762 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1763 pr_info("%d:0x%08x\n", i, freed_addr[i]);
1765 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1766 pr_info("vop now state:\n");
1767 for(i = 0; i < dev_drv->lcdc_win_num; i++) {
1768 for(j = 0; j < RK_WIN_MAX_AREA; j++) {
1769 if ((j > 0) && (dev_drv->area_support[i] == 1))
1771 state = dev_drv->ops->get_win_state(dev_drv, i, j);
1772 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1773 i, j, state, dsp_addr[i][j]);
1776 pr_info("now config:\n");
1777 for(i = 0; i < dev_drv->lcdc_win_num; i++) {
1778 for(j = 0; j < RK_WIN_MAX_AREA; j++) {
1779 if ((j > 0) && (dev_drv->area_support[i] == 1))
1781 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1782 i, j, g_now_config_state[i][j],
1783 g_now_config_addr[i][j]);
1786 for (i = 0; i < DUMP_FRAME_NUM; i++)
1787 rk_fb_config_debug(dev_drv, &(dev_drv->tmp_win_cfg[i]),
1788 &(dev_drv->tmp_regs[i]), 0);
1791 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1792 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1793 if ((j > 0) && (dev_drv->area_support[i] == 1))
1795 g_last_addr[i][j] = g_now_config_addr[i][j];
1796 g_last_state[i][j] = g_now_config_state[i][j];
1802 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1803 struct rk_fb_reg_data *regs)
1806 struct rk_lcdc_win *win;
1807 ktime_t timestamp = dev_drv->vsync_info.timestamp;
1808 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1809 struct rk_fb_reg_win_data *win_data;
1810 bool wait_for_vsync;
1814 /* acq_fence wait */
1815 for (i = 0; i < regs->win_num; i++) {
1816 win_data = ®s->reg_win_data[i];
1817 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1818 if (win_data->reg_area_data[j].acq_fence) {
1819 /* printk("acq_fence wait!!!!!\n"); */
1820 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1825 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1826 win = dev_drv->win[i];
1827 win_data = rk_fb_get_win_data(regs, i);
1829 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1830 (win_data->reg_area_data[0].data_format == YUV420 ||
1831 win_data->reg_area_data[0].data_format == YUV420_NV21 ||
1832 win_data->reg_area_data[0].data_format == YUV420_A))
1834 mutex_lock(&dev_drv->win_config);
1835 rk_fb_update_win(dev_drv, win, win_data);
1837 dev_drv->ops->set_par(dev_drv, i);
1838 dev_drv->ops->pan_display(dev_drv, i);
1839 mutex_unlock(&dev_drv->win_config);
1843 #if defined(CONFIG_ROCKCHIP_IOMMU)
1844 if (dev_drv->iommu_enabled) {
1845 for (j = 0; j < 4; j++)
1846 g_now_config_addr[i][j] = 0;
1851 dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1853 if (rk_fb_iommu_debug > 0) {
1854 pagefault = rk_fb_iommu_page_fault_dump(dev_drv);
1857 if (pagefault == 0) {
1858 dev_drv->ops->cfg_done(dev_drv);
1860 sw_sync_timeline_inc(dev_drv->timeline, 1);
1864 timestamp = dev_drv->vsync_info.timestamp;
1865 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1866 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1867 msecs_to_jiffies(50));
1869 wait_for_vsync = rk_fb_reg_effect(dev_drv, regs, count);
1870 } while (wait_for_vsync && count--);
1872 sw_sync_timeline_inc(dev_drv->timeline, 1);
1875 if (dev_drv->front_regs) {
1876 #if defined(CONFIG_ROCKCHIP_IOMMU)
1877 if (dev_drv->iommu_enabled) {
1878 if (dev_drv->ops->mmu_en)
1879 dev_drv->ops->mmu_en(dev_drv);
1881 g_last_timeout = timeout;
1885 mutex_lock(&dev_drv->front_lock);
1887 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1888 win_data = &dev_drv->front_regs->reg_win_data[i];
1889 rk_fb_free_dma_buf(dev_drv, win_data);
1891 kfree(dev_drv->front_regs);
1893 mutex_unlock(&dev_drv->front_lock);
1895 #if defined(CONFIG_ROCKCHIP_IOMMU)
1896 if (dev_drv->iommu_enabled)
1897 freed_addr[freed_index] = 0xfefefefe;
1901 mutex_lock(&dev_drv->front_lock);
1903 dev_drv->front_regs = regs;
1905 mutex_unlock(&dev_drv->front_lock);
1907 trace_buffer_dump(&fb_pdev->dev, dev_drv);
1910 static void rk_fb_update_regs_handler(struct kthread_work *work)
1912 struct rk_lcdc_driver *dev_drv =
1913 container_of(work, struct rk_lcdc_driver, update_regs_work);
1914 struct rk_fb_reg_data *data, *next;
1916 mutex_lock(&dev_drv->update_regs_list_lock);
1917 dev_drv->saved_list = dev_drv->update_regs_list;
1918 list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1919 mutex_unlock(&dev_drv->update_regs_list_lock);
1921 list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1922 rk_fb_update_reg(dev_drv, data);
1923 list_del(&data->list);
1926 if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1927 wake_up(&dev_drv->update_regs_wait);
1930 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1931 struct rk_screen *screen)
1933 if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1934 (area_par->xact <= 0) || (area_par->yact <= 0) ||
1935 (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1936 pr_err("check config var fail 0:\n"
1937 "x_offset=%d,xact=%d,xvir=%d\n",
1938 area_par->x_offset, area_par->xact, area_par->xvir);
1942 if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1943 (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1944 (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1945 pr_warn("check config var fail 1:\n"
1946 "xpos=%d,xsize=%d,xres=%d\n"
1947 "ypos=%d,ysize=%d,yres=%d\n",
1948 area_par->xpos, area_par->xsize, screen->mode.xres,
1949 area_par->ypos, area_par->ysize, screen->mode.yres);
1955 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
1956 struct rk_fb_win_cfg_data *win_data,
1957 struct rk_fb_reg_data *regs, u32 cmd)
1960 struct rk_fb_win_par *win_par;
1961 struct rk_fb_area_par *area_par;
1962 struct rk_fb_reg_win_data *reg_win_data;
1963 struct rk_fb_reg_area_data *area_data;
1965 fb_dbg(cmd, "-------------frame start-------------\n");
1966 fb_dbg(cmd, "user config:\n");
1967 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1968 win_par = &(win_data->win_par[i]);
1969 if ((win_par->area_par[0].ion_fd <= 0) &&
1970 (win_par->area_par[0].phy_addr <= 0))
1972 fb_dbg(cmd, "win[%d]:z_order=%d,galhpa_v=%d\n",
1973 win_par->win_id, win_par->z_order,
1974 win_par->g_alpha_val);
1975 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1976 area_par = &(win_par->area_par[j]);
1977 if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
1978 ((win_par->area_par[j].ion_fd <= 0) &&
1979 (win_par->area_par[j].phy_addr <= 0)))
1981 fb_dbg(cmd, " area[%d]:fmt=%d,ion_fd=%d,phy_add=0x%x,xoff=%d,yoff=%d\n",
1982 j, area_par->data_format, area_par->ion_fd,
1983 area_par->phy_addr, area_par->x_offset,
1984 area_par->y_offset);
1985 fb_dbg(cmd, " xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
1986 area_par->xpos, area_par->ypos,
1987 area_par->xsize, area_par->ysize);
1988 fb_dbg(cmd, " xact=%d,yact=%d,xvir=%d,yvir=%d\n",
1989 area_par->xact, area_par->yact,
1990 area_par->xvir, area_par->yvir);
1994 fb_dbg(cmd, "regs data:\n");
1995 fb_dbg(cmd, "win_num=%d,buf_num=%d\n",
1996 regs->win_num, regs->buf_num);
1997 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1998 reg_win_data = &(regs->reg_win_data[i]);
1999 if (reg_win_data->reg_area_data[0].smem_start <= 0)
2001 fb_dbg(cmd, "win[%d]:z_order=%d,area_num=%d,area_buf_num=%d\n",
2002 reg_win_data->win_id, reg_win_data->z_order,
2003 reg_win_data->area_num, reg_win_data->area_buf_num);
2004 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2005 area_data = &(reg_win_data->reg_area_data[j]);
2006 if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2007 (area_data->smem_start <= 0))
2009 fb_dbg(cmd, " area[%d]:fmt=%d,ion=%p,smem_star=0x%lx,cbr_star=0x%lx\n",
2010 j, area_data->data_format, area_data->ion_handle,
2011 area_data->smem_start, area_data->cbr_start);
2012 fb_dbg(cmd, " yoff=0x%x,coff=0x%x,area_data->buff_len=%x\n",
2013 area_data->y_offset, area_data->c_offset,area_data->buff_len);
2014 fb_dbg(cmd, " xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2015 area_data->xpos, area_data->ypos,
2016 area_data->xsize, area_data->ysize);
2017 fb_dbg(cmd, " xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2018 area_data->xact, area_data->yact,
2019 area_data->xvir, area_data->yvir);
2022 fb_dbg(cmd, "-------------frame end---------------\n");
2026 static int rk_fb_config_backup(struct rk_lcdc_driver *dev_drv,
2027 struct rk_fb_win_cfg_data *win_cfg,
2028 struct rk_fb_reg_data *regs)
2032 /*2->1->0: 0 is newest*/
2033 for (i = 0; i < DUMP_FRAME_NUM - 1; i++) {
2034 memcpy(&(dev_drv->tmp_win_cfg[DUMP_FRAME_NUM-1-i]),
2035 &(dev_drv->tmp_win_cfg[DUMP_FRAME_NUM-2-i]),
2036 sizeof(struct rk_fb_win_cfg_data));
2037 memcpy(&(dev_drv->tmp_regs[DUMP_FRAME_NUM-1-i]),
2038 &(dev_drv->tmp_regs[DUMP_FRAME_NUM-2-i]),
2039 sizeof(struct rk_fb_reg_data));
2042 memcpy(&(dev_drv->tmp_win_cfg[0]), win_cfg,
2043 sizeof(struct rk_fb_win_cfg_data));
2044 memcpy(&(dev_drv->tmp_regs[0]), regs,
2045 sizeof(struct rk_fb_reg_data));
2049 static int rk_fb_set_win_buffer(struct fb_info *info,
2050 struct rk_fb_win_par *win_par,
2051 struct rk_fb_reg_win_data *reg_win_data)
2053 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2054 struct fb_fix_screeninfo *fix = &info->fix;
2055 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2056 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2057 /*if hdmi size move to hwc,screen should point to cur_screen
2058 otherwise point to screen0[main screen]*/
2059 struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
2060 struct fb_info *fbi;
2061 int i, ion_fd, acq_fence_fd;
2063 u32 xoffset, yoffset;
2065 struct ion_handle *hdl;
2071 u32 stride, uv_stride;
2074 u16 uv_x_off, uv_y_off, uv_y_act;
2076 u8 ppixel_a = 0, global_a = 0;
2077 ion_phys_addr_t phy_addr;
2081 reg_win_data->reg_area_data[0].smem_start = -1;
2082 reg_win_data->area_num = 0;
2083 fbi = rk_fb->fb[reg_win_data->win_id];
2084 if (win_par->area_par[0].phy_addr == 0) {
2085 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2086 ion_fd = win_par->area_par[i].ion_fd;
2089 ion_import_dma_buf(rk_fb->ion_client,
2092 pr_info("%s: Could not import handle:"
2093 " %ld\n", __func__, (long)hdl);
2097 reg_win_data->reg_area_data[i].ion_handle = hdl;
2098 #ifndef CONFIG_ROCKCHIP_IOMMU
2099 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
2102 if (dev_drv->iommu_enabled)
2103 ret = ion_map_iommu(dev_drv->dev,
2106 (unsigned long *)&phy_addr,
2107 (unsigned long *)&len);
2109 ret = ion_phys(rk_fb->ion_client, hdl,
2113 dev_err(fbi->dev, "ion map to get phy addr failed\n");
2114 ion_free(rk_fb->ion_client, hdl);
2117 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2118 reg_win_data->area_num++;
2119 reg_win_data->area_buf_num++;
2120 reg_win_data->reg_area_data[i].index_buf = 1;
2121 reg_win_data->reg_area_data[i].buff_len = len;
2125 reg_win_data->reg_area_data[0].smem_start =
2126 win_par->area_par[0].phy_addr;
2127 reg_win_data->area_num = 1;
2128 reg_win_data->area_buf_num++;
2129 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2132 if (reg_win_data->area_num == 0) {
2133 for (i = 0; i < RK_WIN_MAX_AREA; i++)
2134 reg_win_data->reg_area_data[i].smem_start = 0;
2135 reg_win_data->z_order = -1;
2136 reg_win_data->win_id = -1;
2140 for (i = 0; i < reg_win_data->area_num; i++) {
2141 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2142 index_buf = reg_win_data->reg_area_data[i].index_buf;
2143 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2144 reg_win_data->reg_area_data[i].acq_fence =
2145 sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2148 if (reg_win_data->reg_area_data[0].smem_start > 0) {
2149 reg_win_data->z_order = win_par->z_order;
2150 reg_win_data->win_id = win_par->win_id;
2152 reg_win_data->z_order = -1;
2153 reg_win_data->win_id = -1;
2156 reg_win_data->mirror_en = win_par->mirror_en;
2157 for (i = 0; i < reg_win_data->area_num; i++) {
2158 /*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
2160 fb_data_fmt = rk_fb_data_fmt(win_par->area_par[i].data_format, 0);
2161 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
2162 if (fb_data_fmt >= FBDC_RGB_565) {
2163 reg_win_data->reg_area_data[i].fbdc_en = 1;
2164 reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
2166 reg_win_data->reg_area_data[i].fbdc_en = 0;
2167 reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
2169 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2171 ppixel_a |= ((fb_data_fmt == ARGB888) ||
2172 (fb_data_fmt == FBDC_ARGB_888) ||
2173 (fb_data_fmt == FBDC_ABGR_888) ||
2174 (fb_data_fmt == ABGR888)) ? 1 : 0;
2175 /* visiable pos in panel */
2176 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2177 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2179 /* realy size in panel */
2180 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2181 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2183 /* realy size in panel */
2184 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2185 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2187 xoffset = win_par->area_par[i].x_offset; /* buf offset */
2188 yoffset = win_par->area_par[i].y_offset;
2189 reg_win_data->reg_area_data[i].xoff = xoffset;
2190 reg_win_data->reg_area_data[i].yoff = yoffset;
2192 xvir = win_par->area_par[i].xvir;
2193 reg_win_data->reg_area_data[i].xvir = xvir;
2194 yvir = win_par->area_par[i].yvir;
2195 reg_win_data->reg_area_data[i].yvir = yvir;
2197 vir_width_bit = pixel_width * xvir;
2198 /* pixel_width = byte_num*8 */
2199 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2200 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2202 stride = stride_32bit_1; /* default rgb */
2203 fix->line_length = stride;
2204 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2206 /* x y mirror ,jump line
2207 * reg_win_data->reg_area_data[i].y_offset =
2208 * yoffset*stride+xoffset*pixel_width/8;
2210 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2211 if (screen->interlace == 1) {
2212 reg_win_data->reg_area_data[i].y_offset =
2213 yoffset * stride * 2 +
2214 ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2215 xoffset * pixel_width / 8;
2217 reg_win_data->reg_area_data[i].y_offset =
2219 (reg_win_data->reg_area_data[i].yact - 1) * stride +
2220 xoffset * pixel_width / 8;
2223 if (screen->interlace == 1) {
2224 reg_win_data->reg_area_data[i].y_offset =
2225 yoffset * stride * 2 +
2226 xoffset * pixel_width / 8;
2228 reg_win_data->reg_area_data[i].y_offset =
2230 xoffset * pixel_width / 8;
2233 if ((fb_data_fmt != YUV420) &&
2234 (fb_data_fmt != YUV420_NV21) &&
2235 (fb_data_fmt != YUV422) &&
2236 (fb_data_fmt != YUV444) &&
2237 dev_drv->iommu_enabled) {
2238 buff_len = reg_win_data->reg_area_data[i].y_offset +
2239 reg_win_data->reg_area_data[i].xvir *
2240 reg_win_data->reg_area_data[i].yact *
2242 reg_win_data->reg_area_data[i].xoff*
2244 if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2245 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2247 "=buff_len[0x%x]>>mmu len=0x%x\n",
2249 reg_win_data->reg_area_data[i].xvir,
2250 reg_win_data->reg_area_data[i].yact,
2251 pixel_width, buff_len,
2252 reg_win_data->reg_area_data[i].buff_len);
2256 global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2257 reg_win_data->alpha_en = ppixel_a | global_a;
2258 reg_win_data->g_alpha_val = win_par->g_alpha_val;
2259 reg_win_data->alpha_mode = win_par->alpha_mode;
2261 switch (fb_data_fmt) {
2265 stride = stride_32bit_1;
2266 uv_stride = stride_32bit_1 >> 1;
2267 uv_x_off = xoffset >> 1;
2269 fix->line_length = stride;
2270 uv_y_act = win_par->area_par[0].yact >> 1;
2272 case YUV420: /* nv12 */
2273 case YUV420_NV21: /* nv21 */
2276 stride = stride_32bit_1;
2277 uv_stride = stride_32bit_1;
2279 uv_y_off = yoffset >> 1;
2280 fix->line_length = stride;
2281 uv_y_act = win_par->area_par[0].yact >> 1;
2286 stride = stride_32bit_1;
2287 uv_stride = stride_32bit_2;
2288 uv_x_off = xoffset * 2;
2290 fix->line_length = stride << 2;
2291 uv_y_act = win_par->area_par[0].yact;
2296 if (is_pic_yuv == 1) {
2297 reg_win_data->reg_area_data[0].cbr_start =
2298 reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2299 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2300 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2301 if (screen->interlace == 1) {
2302 reg_win_data->reg_area_data[0].c_offset =
2303 uv_y_off * uv_stride * 2 +
2304 ((uv_y_act - 1) * 2 + 1) * uv_stride +
2305 uv_x_off * pixel_width / 8;
2307 reg_win_data->reg_area_data[0].c_offset =
2308 uv_y_off * uv_stride +
2309 (uv_y_act - 1) * uv_stride +
2310 uv_x_off * pixel_width / 8;
2313 if (screen->interlace == 1) {
2314 reg_win_data->reg_area_data[0].c_offset =
2315 uv_y_off * uv_stride * 2 +
2316 uv_x_off * pixel_width / 8;
2318 reg_win_data->reg_area_data[0].c_offset =
2319 uv_y_off * uv_stride +
2320 uv_x_off * pixel_width / 8;
2323 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2324 reg_win_data->reg_area_data[0].c_offset +
2325 reg_win_data->reg_area_data[0].xvir *
2326 reg_win_data->reg_area_data[0].yact *
2328 reg_win_data->reg_area_data[0].smem_start -
2329 reg_win_data->reg_area_data[0].xoff*
2331 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2332 dev_drv->iommu_enabled)
2333 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2335 "=buff_len[0x%x]>>mmu len=0x%x\n",
2337 reg_win_data->reg_area_data[0].xvir,
2338 reg_win_data->reg_area_data[0].yact,
2339 pixel_width, buff_len,
2340 reg_win_data->reg_area_data[0].buff_len);
2343 /* record buffer information for rk_fb_disp_scale to prevent fence timeout
2344 * because rk_fb_disp_scale will call function info->fbops->fb_set_par(info);
2346 info->var.yoffset = yoffset;
2347 info->var.xoffset = xoffset;
2351 static int rk_fb_set_win_config(struct fb_info *info,
2352 struct rk_fb_win_cfg_data *win_data)
2354 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2355 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2356 struct rk_fb_reg_data *regs;
2358 struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2359 struct sync_fence *retire_fence;
2360 struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2361 struct sync_pt *retire_sync_pt;
2362 char fence_name[20];
2364 int ret = 0, i, j = 0;
2365 int list_is_empty = 0;
2366 struct rk_screen *screen = dev_drv->cur_screen;
2368 mutex_lock(&dev_drv->output_lock);
2370 for (i = 0; i < 4; i++) {
2371 for (j = 0; j < 4; j++) {
2372 if (win_data->win_par[i].area_par[j].ion_fd > 0)
2373 ret += rk_fb_check_config_var(
2374 &win_data->win_par[i].area_par[j],
2378 if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
2379 dev_drv->timeline_max++;
2380 sw_sync_timeline_inc(dev_drv->timeline, 1);
2381 if (dev_drv->suspend_flag)
2382 pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
2383 else if (dev_drv->hdmi_switch)
2384 pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
2386 pr_err("error config ,ignore\n");
2387 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2388 win_data->rel_fence_fd[j] = -1;
2389 win_data->ret_fence_fd = -1;
2393 regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2395 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2400 for (i = 0,j = 0; i < dev_drv->lcdc_win_num; i++) {
2401 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2402 if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2403 ®s->reg_win_data[j])) {
2405 pr_info("error:%s[%d]\n", __func__,__LINE__);
2408 if (regs->reg_win_data[j].area_num > 0) {
2411 regs->reg_win_data[j].area_buf_num;
2415 printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2416 printk(KERN_INFO "i=%d,win_id=%d\n", i,
2417 win_data->win_par[i].win_id);
2421 if (regs->win_num <= 0)
2422 goto err_null_frame;
2424 dev_drv->timeline_max++;
2426 win_data->ret_fence_fd = get_unused_fd();
2427 if (win_data->ret_fence_fd < 0) {
2428 pr_err("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2429 win_data->ret_fence_fd = -1;
2433 for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2434 if (i < regs->buf_num) {
2435 sprintf(fence_name, "fence%d", i);
2436 win_data->rel_fence_fd[i] = get_unused_fd();
2437 if (win_data->rel_fence_fd[i] < 0) {
2438 printk(KERN_INFO "rel_fence_fd=%d\n",
2439 win_data->rel_fence_fd[i]);
2443 release_sync_pt[i] =
2444 sw_sync_pt_create(dev_drv->timeline,
2445 dev_drv->timeline_max);
2447 sync_fence_create(fence_name, release_sync_pt[i]);
2448 sync_fence_install(release_fence[i],
2449 win_data->rel_fence_fd[i]);
2451 win_data->rel_fence_fd[i] = -1;
2456 sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2457 retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2458 sync_fence_install(retire_fence, win_data->ret_fence_fd);
2460 for (i = 0; i < RK_MAX_BUF_NUM; i++)
2461 win_data->rel_fence_fd[i] = -1;
2463 win_data->ret_fence_fd = -1;
2465 if (dev_drv->wait_fs == 0) {
2466 mutex_lock(&dev_drv->update_regs_list_lock);
2467 list_add_tail(®s->list, &dev_drv->update_regs_list);
2468 mutex_unlock(&dev_drv->update_regs_list_lock);
2469 queue_kthread_work(&dev_drv->update_regs_worker,
2470 &dev_drv->update_regs_work);
2472 mutex_lock(&dev_drv->update_regs_list_lock);
2473 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2474 list_empty(&dev_drv->saved_list);
2475 mutex_unlock(&dev_drv->update_regs_list_lock);
2476 if (!list_is_empty) {
2477 ret = wait_event_timeout(dev_drv->update_regs_wait,
2478 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2479 msecs_to_jiffies(60));
2481 rk_fb_update_reg(dev_drv, regs);
2483 printk("%s: wait update_regs_wait timeout\n", __func__);
2484 } else if (ret == 0) {
2485 rk_fb_update_reg(dev_drv, regs);
2488 if (rk_fb_debug_lvl > 0)
2489 rk_fb_config_debug(dev_drv, win_data, regs, rk_fb_debug_lvl);
2490 if (rk_fb_iommu_debug > 0)
2491 rk_fb_config_backup(dev_drv, win_data, regs);
2493 mutex_unlock(&dev_drv->output_lock);
2496 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2497 win_data->rel_fence_fd[j] = -1;
2498 win_data->ret_fence_fd = -1;
2499 pr_info("win num = %d,null frame\n", regs->win_num);
2502 mutex_unlock(&dev_drv->output_lock);
2508 static int cfgdone_distlist[10] = { 0 };
2510 static int cfgdone_index;
2511 static int cfgdone_lasttime;
2513 int rk_get_real_fps(int before)
2515 struct timespec now;
2521 int index = cfgdone_index;
2530 getnstimeofday(&now);
2531 dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2537 for (i = 0; i < 10; i++) {
2540 total += cfgdone_distlist[index];
2542 dist_first = cfgdone_distlist[index];
2543 if (total < (before * 1000)) {
2545 printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2547 dist_total += cfgdone_distlist[index];
2555 printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2557 dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2558 dist_total += dist_curr;
2562 fps = (1000000 * dist_count) / dist_total;
2567 printk("curr2 %d, fps=%d\n", dist_curr, fps);
2571 EXPORT_SYMBOL(rk_get_real_fps);
2574 #ifdef CONFIG_ROCKCHIP_IOMMU
2576 static struct ion_handle *ion_hanle[ION_MAX];
2577 static struct ion_handle *ion_hwc[1];
2579 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2582 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2583 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2584 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2585 struct fb_fix_screeninfo *fix = &info->fix;
2586 struct rk_lcdc_win *win;
2587 int enable; /* enable fb:1 enable;0 disable */
2588 int ovl; /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2589 int num_buf; /* buffer_number */
2591 struct rk_fb_win_cfg_data win_data;
2592 unsigned int dsp_addr[4][4];
2595 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2597 void __user *argp = (void __user *)arg;
2598 win = dev_drv->win[win_id];
2601 case RK_FBIOSET_HWC_ADDR:
2604 if (copy_from_user(hwc_phy, argp, 4))
2606 #ifdef CONFIG_ROCKCHIP_IOMMU
2607 if (!dev_drv->iommu_enabled) {
2609 fix->smem_start = hwc_phy[0];
2610 #ifdef CONFIG_ROCKCHIP_IOMMU
2613 struct ion_handle *hdl;
2614 ion_phys_addr_t phy_addr;
2617 usr_fd = hwc_phy[0];
2619 fix->smem_start = 0;
2620 fix->mmio_start = 0;
2621 dev_drv->ops->open(dev_drv, win_id, 0);
2625 if (ion_hwc[0] != 0) {
2626 ion_free(rk_fb->ion_client, ion_hwc[0]);
2630 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2632 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2637 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2638 (unsigned long *)&phy_addr,
2639 (unsigned long *)&len);
2641 dev_err(info->dev, "ion map to get hwc phy addr failed");
2642 ion_free(rk_fb->ion_client, hdl);
2645 fix->smem_start = phy_addr;
2651 case RK_FBIOSET_YUV_ADDR:
2655 if (copy_from_user(yuv_phy, argp, 8))
2657 #ifdef CONFIG_ROCKCHIP_IOMMU
2658 if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2660 fix->smem_start = yuv_phy[0];
2661 fix->mmio_start = yuv_phy[1];
2662 #ifdef CONFIG_ROCKCHIP_IOMMU
2664 int usr_fd, offset, tmp;
2665 struct ion_handle *hdl;
2666 ion_phys_addr_t phy_addr;
2669 usr_fd = yuv_phy[0];
2670 offset = yuv_phy[1] - yuv_phy[0];
2672 fix->smem_start = 0;
2673 fix->mmio_start = 0;
2677 if (ion_hanle[ION_MAX - 1] != 0) {
2678 /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2679 /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2680 ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2681 ion_hanle[ION_MAX - 1] = 0;
2684 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2686 dev_err(info->dev, "failed to get ion handle:%ld\n",
2691 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2692 (unsigned long *)&phy_addr,
2693 (unsigned long *)&len);
2695 dev_err(info->dev, "ion map to get phy addr failed");
2696 ion_free(rk_fb->ion_client, hdl);
2699 fix->smem_start = phy_addr;
2700 fix->mmio_start = phy_addr + offset;
2701 fix->smem_len = len;
2702 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2705 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2706 ion_hanle[tmp] = ion_hanle[tmp - 1];
2712 case RK_FBIOSET_ENABLE:
2713 if (copy_from_user(&enable, argp, sizeof(enable)))
2715 if (enable && fb_par->state)
2719 dev_drv->ops->open(dev_drv, win_id, enable);
2721 case RK_FBIOGET_ENABLE:
2722 enable = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
2723 if (copy_to_user(argp, &enable, sizeof(enable)))
2726 case RK_FBIOSET_OVERLAY_STA:
2727 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2729 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2731 case RK_FBIOGET_OVERLAY_STA:
2732 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2733 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2736 case RK_FBIOPUT_NUM_BUFFERS:
2737 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2739 dev_drv->num_buf = num_buf;
2741 case RK_FBIOSET_VSYNC_ENABLE:
2742 if (copy_from_user(&enable, argp, sizeof(enable)))
2744 dev_drv->vsync_info.active = enable;
2747 case RK_FBIOGET_DSP_ADDR:
2748 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2749 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2752 case RK_FBIOGET_LIST_STA:
2753 list_stat = rk_fb_get_list_stat(dev_drv);
2754 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2758 case RK_FBIOGET_IOMMU_STA:
2759 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2760 sizeof(dev_drv->iommu_enabled)))
2763 #if defined(CONFIG_ION_ROCKCHIP)
2764 case RK_FBIOSET_DMABUF_FD:
2767 struct ion_handle *hdl;
2768 ion_phys_addr_t phy_addr;
2770 if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2772 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2773 ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2774 fix->smem_start = phy_addr;
2777 case RK_FBIOGET_DMABUF_FD:
2781 if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2783 "get dma_buf fd failed,ion handle is err\n");
2784 return PTR_ERR(fb_par->ion_hdl);
2786 fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2790 "ion_share_dma_buf_fd failed\n");
2793 if (copy_to_user(argp, &fd, sizeof(fd)))
2798 case RK_FBIOSET_CLEAR_FB:
2799 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2801 case RK_FBIOSET_CONFIG_DONE:
2804 struct timespec now;
2806 getnstimeofday(&now);
2807 curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2808 cfgdone_distlist[cfgdone_index++] =
2809 curr - cfgdone_lasttime;
2811 printk("%d ", curr - cfgdone_lasttime);
2813 cfgdone_lasttime = curr;
2814 if (cfgdone_index >= 10)
2817 if (copy_from_user(&win_data,
2818 (struct rk_fb_win_cfg_data __user *)argp,
2819 sizeof(win_data))) {
2824 dev_drv->wait_fs = win_data.wait_fs;
2825 rk_fb_set_win_config(info, &win_data);
2827 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2828 &win_data, sizeof(win_data))) {
2832 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2834 if (dev_drv->uboot_logo)
2835 dev_drv->uboot_logo = 0;
2839 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2846 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2848 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2849 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2850 struct fb_fix_screeninfo *fix = &info->fix;
2852 #if defined(CONFIG_RK_HDMI)
2853 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2856 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2859 mutex_lock(&dev_drv->switch_screen);
2860 #if defined(CONFIG_RK_HDMI)
2861 if ((rk_fb->disp_mode == ONE_DUAL) &&
2862 (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2863 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2867 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2869 mutex_unlock(&dev_drv->switch_screen);
2873 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2875 if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2876 (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2877 ((16 != var->bits_per_pixel) &&
2878 (32 != var->bits_per_pixel) &&
2879 (24 != var->bits_per_pixel))) {
2880 dev_err(info->dev, "%s check var fail 1:\n"
2881 "xres_vir:%d>>yres_vir:%d\n"
2882 "xres:%d>>yres:%d\n"
2883 "bits_per_pixel:%d\n",
2887 var->xres, var->yres, var->bits_per_pixel);
2891 if (((var->xoffset + var->xres) > var->xres_virtual) ||
2892 ((var->yoffset + var->yres) > (var->yres_virtual))) {
2893 dev_err(info->dev, "%s check_var fail 2:\n"
2894 "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2895 "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2900 var->yoffset, var->yres, var->yres_virtual);
2907 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2908 size_t count, loff_t *ppos)
2910 unsigned long p = *ppos;
2913 int c, cnt = 0, err = 0;
2914 unsigned long total_size;
2915 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2916 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2917 struct rk_lcdc_win *win = NULL;
2920 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2924 win = dev_drv->win[win_id];
2926 /* only read the current frame buffer */
2927 if (win->area[0].format == RGB565) {
2928 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2929 } else if ((win->area[0].format == YUV420) ||
2930 (win->area[0].format == YUV420_NV21)) {
2932 (win->area[0].y_vir_stride * win->area[0].yact * 6);
2934 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2936 if (p >= total_size)
2939 if (count >= total_size)
2942 if (count + p > total_size)
2943 count = total_size - p;
2945 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2949 src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2952 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2954 fb_memcpy_fromfb(dst, src, c);
2958 if (copy_to_user(buf, buffer, c)) {
2970 return (err) ? err : cnt;
2973 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2974 size_t count, loff_t *ppos)
2976 unsigned long p = *ppos;
2979 int c, cnt = 0, err = 0;
2980 unsigned long total_size;
2981 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2982 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2983 struct rk_lcdc_win *win = NULL;
2986 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2990 win = dev_drv->win[win_id];
2992 /* write the current frame buffer */
2993 if (win->area[0].format == RGB565)
2994 total_size = win->area[0].xact * win->area[0].yact << 1;
2996 total_size = win->area[0].xact * win->area[0].yact << 2;
3001 if (count > total_size) {
3006 if (count + p > total_size) {
3010 count = total_size - p;
3013 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3017 dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3020 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3023 if (copy_from_user(src, buf, c)) {
3028 fb_memcpy_tofb(dst, src, c);
3039 return (cnt) ? cnt : err;
3042 static int rk_fb_set_par(struct fb_info *info)
3044 struct fb_var_screeninfo *var = &info->var;
3045 struct fb_fix_screeninfo *fix = &info->fix;
3046 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3047 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3048 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
3049 struct rk_lcdc_win *win = NULL;
3050 struct rk_screen *screen = dev_drv->cur_screen;
3052 u32 cblen = 0, crlen = 0;
3053 u16 xsize = 0, ysize = 0; /* winx display window height/width --->LCDC_WINx_DSP_INFO */
3054 u32 xoffset = var->xoffset; /* offset from virtual to visible */
3055 u32 yoffset = var->yoffset;
3056 u16 xpos = (var->nonstd >> 8) & 0xfff; /*visiable pos in panel */
3057 u16 ypos = (var->nonstd >> 20) & 0xfff;
3058 u32 xvir = var->xres_virtual;
3059 u32 yvir = var->yres_virtual;
3060 u8 data_format = var->nonstd & 0xff;
3064 u32 stride, uv_stride;
3067 u16 uv_x_off, uv_y_off, uv_y_act;
3069 /*var->pixclock = dev_drv->pixclock;*/
3070 if (dev_drv->suspend_flag)
3072 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3076 win = dev_drv->win[win_id];
3078 /* if the application has specific the horizontal and vertical display size */
3079 if (var->grayscale >> 8) {
3080 xsize = (var->grayscale >> 8) & 0xfff;
3081 ysize = (var->grayscale >> 20) & 0xfff;
3082 if (xsize > screen->mode.xres)
3083 xsize = screen->mode.xres;
3084 if (ysize > screen->mode.yres)
3085 ysize = screen->mode.yres;
3086 } else { /*ohterwise full screen display */
3087 xsize = screen->mode.xres;
3088 ysize = screen->mode.yres;
3091 fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
3092 if (fb_data_fmt >= FBDC_RGB_565) {
3093 win->area[0].fbdc_en = 1;
3094 win->area[0].fbdc_cor_en = 1;
3096 win->area[0].fbdc_en = 0;
3097 win->area[0].fbdc_cor_en = 0;
3099 pixel_width = rk_fb_pixel_width(fb_data_fmt);
3100 vir_width_bit = pixel_width * xvir;
3101 /* pixel_width = byte_num * 8 */
3102 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3103 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3105 switch (fb_data_fmt) {
3109 stride = stride_32bit_1;
3110 uv_stride = stride_32bit_1 >> 1;
3111 uv_x_off = xoffset >> 1;
3113 fix->line_length = stride;
3114 cblen = crlen = (xvir * yvir) >> 1;
3115 uv_y_act = win->area[0].yact >> 1;
3117 case YUV420: /* nv12 */
3118 case YUV420_NV21: /* nv21 */
3121 stride = stride_32bit_1;
3122 uv_stride = stride_32bit_1;
3124 uv_y_off = yoffset >> 1;
3125 fix->line_length = stride;
3126 cblen = crlen = (xvir * yvir) >> 2;
3127 uv_y_act = win->area[0].yact >> 1;
3132 stride = stride_32bit_1;
3133 uv_stride = stride_32bit_2;
3134 uv_x_off = xoffset * 2;
3136 fix->line_length = stride << 2;
3137 cblen = crlen = (xvir * yvir);
3138 uv_y_act = win->area[0].yact;
3141 stride = stride_32bit_1; /* default rgb */
3142 fix->line_length = stride;
3146 win->area[0].format = fb_data_fmt;
3147 win->area[0].y_vir_stride = stride >> 2;
3148 win->area[0].uv_vir_stride = uv_stride >> 2;
3149 win->area[0].xpos = xpos;
3150 win->area[0].ypos = ypos;
3151 win->area[0].xsize = xsize;
3152 win->area[0].ysize = ysize;
3153 win->area[0].xact = var->xres; /* winx active window height,is a wint of vir */
3154 win->area[0].yact = var->yres;
3155 win->area[0].xvir = var->xres_virtual; /* virtual resolution stride --->LCDC_WINx_VIR */
3156 win->area[0].yvir = var->yres_virtual;
3157 win->area[0].xoff = xoffset;
3158 win->area[0].yoff = yoffset;
3161 win->alpha_mode = 4; /* AB_SRC_OVER; */
3162 win->alpha_en = ((win->area[0].format == ARGB888) ||
3163 (win->area[0].format == FBDC_ARGB_888) ||
3164 (win->area[0].format == FBDC_ABGR_888) ||
3165 (win->area[0].format == ABGR888)) ? 1 : 0;
3166 win->g_alpha_val = 0;
3168 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
3169 (win->area[0].format == YUV420 ||
3170 win->area[0].format == YUV420_NV21 ||
3171 win->area[0].format == YUV420_A)) {
3175 dev_drv->ops->set_par(dev_drv, win_id);
3180 static inline unsigned int chan_to_field(unsigned int chan,
3181 struct fb_bitfield *bf)
3184 chan >>= 16 - bf->length;
3185 return chan << bf->offset;
3188 static int fb_setcolreg(unsigned regno,
3189 unsigned red, unsigned green, unsigned blue,
3190 unsigned transp, struct fb_info *info)
3194 switch (info->fix.visual) {
3195 case FB_VISUAL_TRUECOLOR:
3196 /* true-colour, use pseudo-palette */
3198 u32 *pal = info->pseudo_palette;
3199 val = chan_to_field(red, &info->var.red);
3200 val |= chan_to_field(green, &info->var.green);
3201 val |= chan_to_field(blue, &info->var.blue);
3206 return -1; /* unknown type */
3212 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3214 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3215 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3216 struct ion_handle *handle = fb_par->ion_hdl;
3217 struct dma_buf *dma_buf = NULL;
3219 if (IS_ERR_OR_NULL(handle)) {
3220 dev_err(info->dev, "failed to get ion handle:%ld\n",
3224 dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3225 if (IS_ERR_OR_NULL(dma_buf)) {
3226 printk("get ion share dma buf failed\n");
3230 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3232 return dma_buf_mmap(dma_buf, vma, 0);
3235 static struct fb_ops fb_ops = {
3236 .owner = THIS_MODULE,
3237 .fb_open = rk_fb_open,
3238 .fb_release = rk_fb_close,
3239 .fb_check_var = rk_fb_check_var,
3240 .fb_set_par = rk_fb_set_par,
3241 .fb_blank = rk_fb_blank,
3242 .fb_ioctl = rk_fb_ioctl,
3243 .fb_compat_ioctl = rk_fb_ioctl,
3244 .fb_pan_display = rk_fb_pan_display,
3245 .fb_read = rk_fb_read,
3246 .fb_write = rk_fb_write,
3247 .fb_setcolreg = fb_setcolreg,
3248 .fb_fillrect = cfb_fillrect,
3249 .fb_copyarea = cfb_copyarea,
3250 .fb_imageblit = cfb_imageblit,
3253 static struct fb_var_screeninfo def_var = {
3254 #if defined(CONFIG_LOGO_LINUX_BMP)
3258 .transp = {0, 0, 0},
3259 .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3264 .transp = {0, 0, 0},
3265 .nonstd = HAL_PIXEL_FORMAT_RGB_565, /* (ypos<<20+xpos<<8+format) format */
3267 .grayscale = 0, /* (ysize<<20+xsize<<8) */
3268 .activate = FB_ACTIVATE_NOW,
3270 .vmode = FB_VMODE_NONINTERLACED,
3273 static struct fb_fix_screeninfo def_fix = {
3274 .type = FB_TYPE_PACKED_PIXELS,
3279 .accel = FB_ACCEL_NONE,
3280 .visual = FB_VISUAL_TRUECOLOR,
3284 static int rk_fb_wait_for_vsync_thread(void *data)
3286 struct rk_lcdc_driver *dev_drv = data;
3287 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3288 struct fb_info *fbi = rk_fb->fb[0];
3290 while (!kthread_should_stop()) {
3291 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3292 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3293 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3294 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3297 sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3303 static ssize_t rk_fb_vsync_show(struct device *dev,
3304 struct device_attribute *attr, char *buf)
3306 struct fb_info *fbi = dev_get_drvdata(dev);
3307 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3308 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3309 return scnprintf(buf, PAGE_SIZE, "%llu\n",
3310 ktime_to_ns(dev_drv->vsync_info.timestamp));
3313 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3316 * this two function is for other module that in the kernel which
3317 * need show image directly through fb
3318 * fb_id:we have 4 fb here,default we use fb0 for ui display
3320 struct fb_info *rk_get_fb(int fb_id)
3322 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3323 struct fb_info *fb = inf->fb[fb_id];
3326 EXPORT_SYMBOL(rk_get_fb);
3328 void rk_direct_fb_show(struct fb_info *fbi)
3331 rk_fb_pan_display(&fbi->var, fbi);
3333 EXPORT_SYMBOL(rk_direct_fb_show);
3335 int rk_fb_dpi_open(bool open)
3337 struct rk_lcdc_driver *dev_drv = NULL;
3338 dev_drv = rk_get_prmry_lcdc_drv();
3340 if (dev_drv->ops->dpi_open)
3341 dev_drv->ops->dpi_open(dev_drv, open);
3345 int rk_fb_dpi_win_sel(int win_id)
3347 struct rk_lcdc_driver *dev_drv = NULL;
3348 dev_drv = rk_get_prmry_lcdc_drv();
3350 if (dev_drv->ops->dpi_win_sel)
3351 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3355 int rk_fb_dpi_status(void)
3358 struct rk_lcdc_driver *dev_drv = NULL;
3360 dev_drv = rk_get_prmry_lcdc_drv();
3361 if (dev_drv->ops->dpi_status)
3362 ret = dev_drv->ops->dpi_status(dev_drv);
3368 * function: this function will be called by display device, enable/disable lcdc
3369 * @screen: screen timing to be set to lcdc
3370 * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3371 * @lcdc_id: the lcdc id the display device attached ,0 or 1
3373 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3375 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3376 struct fb_info *info = NULL;
3377 struct rk_fb_par *fb_par = NULL;
3378 struct rk_lcdc_driver *dev_drv = NULL;
3381 static bool load_screen = false;
3384 if (unlikely(!rk_fb) || unlikely(!screen))
3387 /* get lcdc driver */
3388 sprintf(name, "lcdc%d", lcdc_id);
3389 if (rk_fb->disp_mode != DUAL)
3390 dev_drv = rk_fb->lcdc_dev_drv[0];
3392 dev_drv = rk_get_lcdc_drv(name);
3394 if (dev_drv == NULL) {
3395 printk(KERN_ERR "%s driver not found!", name);
3398 if (screen->type == SCREEN_HDMI)
3399 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3401 else if (screen->type == SCREEN_TVOUT ||
3402 screen->type == SCREEN_TVOUT_TEST )
3403 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3405 if (enable == 2 /*&& dev_drv->enable*/)
3407 pr_info("switch:en=%d,lcdc_id=%d,screen type=%d,cur type=%d\n",
3408 enable, lcdc_id, screen->type, dev_drv->cur_screen->type);
3410 mutex_lock(&dev_drv->switch_screen);
3411 hdmi_switch_state = 0;
3412 dev_drv->hdmi_switch = 1;
3413 if (!dev_drv->uboot_logo)
3416 envp[0] = "switch screen";
3417 envp[1] = kmalloc(32, GFP_KERNEL);
3418 if (envp[1] == NULL) {
3419 pr_err("switch screen kmalloc envp[1] fail\n");
3420 mutex_unlock(&dev_drv->switch_screen);
3423 sprintf(envp[1], "SCREEN=%d,ENABLE=%d", screen->type, enable);
3426 if ((rk_fb->disp_mode == ONE_DUAL) ||
3427 (rk_fb->disp_mode == NO_DUAL)) {
3428 if ((dev_drv->ops->backlight_close) &&
3429 (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3430 (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))
3431 dev_drv->ops->backlight_close(dev_drv, 1);
3432 if (!dev_drv->uboot_logo || load_screen ||
3433 ((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3434 (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))) {
3435 if (dev_drv->ops->dsp_black)
3436 dev_drv->ops->dsp_black(dev_drv, 0);
3438 if ((dev_drv->ops->set_screen_scaler) &&
3439 (rk_fb->disp_mode == ONE_DUAL))
3440 dev_drv->ops->set_screen_scaler(dev_drv,
3441 dev_drv->screen0, 0);
3444 /* if screen type is different, we do not disable lcdc. */
3445 if (dev_drv->cur_screen->type != screen->type) {
3446 dev_drv->hdmi_switch = 0;
3447 mutex_unlock(&dev_drv->switch_screen);
3452 /* if used one lcdc to dual disp, no need to close win */
3453 if ((rk_fb->disp_mode == ONE_DUAL) ||
3454 ((rk_fb->disp_mode == NO_DUAL) &&
3455 (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3456 (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))) {
3457 dev_drv->cur_screen = dev_drv->screen0;
3458 dev_drv->ops->load_screen(dev_drv, 1);
3459 /* force modify dsp size */
3460 info = rk_fb->fb[dev_drv->fb_index_base];
3461 info->var.grayscale &= 0xff;
3462 info->var.grayscale |=
3463 (dev_drv->cur_screen->mode.xres << 8) +
3464 (dev_drv->cur_screen->mode.yres << 20);
3465 mutex_lock(&dev_drv->win_config);
3466 info->var.yoffset = 0;
3467 info->fbops->fb_set_par(info);
3468 info->fbops->fb_pan_display(&info->var, info);
3469 mutex_unlock(&dev_drv->win_config);
3472 * if currently is loader display, black until new
3475 if (dev_drv->uboot_logo) {
3476 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3477 if (dev_drv->win[i] && dev_drv->win[i]->state)
3478 dev_drv->ops->open(dev_drv, i, 0);
3482 /*if (dev_drv->ops->dsp_black)
3483 dev_drv->ops->dsp_black(dev_drv, 0);*/
3484 if ((dev_drv->ops->backlight_close) &&
3485 (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3486 (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))
3487 dev_drv->ops->backlight_close(dev_drv, 0);
3488 } else if (rk_fb->num_lcdc > 1) {
3489 /* If there is more than one lcdc device, we disable
3490 the layer which attached to this device */
3491 dev_drv->suspend_flag = 1;
3492 flush_kthread_worker(&dev_drv->update_regs_worker);
3493 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3494 if (dev_drv->win[i] && dev_drv->win[i]->state)
3495 dev_drv->ops->open(dev_drv, i, 0);
3498 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3501 hdmi_switch_state = 0;
3502 dev_drv->hdmi_switch = 0;
3503 mutex_unlock(&dev_drv->switch_screen);
3506 if (dev_drv->screen1)
3507 dev_drv->cur_screen = dev_drv->screen1;
3509 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3510 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3511 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3512 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3513 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3515 if (!dev_drv->uboot_logo || load_screen ||
3516 ((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3517 (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))) {
3518 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3519 info = rk_fb->fb[dev_drv->fb_index_base + i];
3520 fb_par = (struct rk_fb_par *)info->par;
3521 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3522 if (dev_drv->win[win_id]) {
3523 if (fb_par->state) {
3524 dev_drv->ops->load_screen(dev_drv, 1);
3526 info->var.activate |= FB_ACTIVATE_FORCE;
3527 if (rk_fb->disp_mode == ONE_DUAL) {
3528 info->var.grayscale &= 0xff;
3529 info->var.grayscale |=
3530 (dev_drv->cur_screen->xsize << 8) +
3531 (dev_drv->cur_screen->ysize << 20);
3533 if (dev_drv->uboot_logo) {
3534 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3535 if (dev_drv->win[i] && dev_drv->win[i]->state)
3536 dev_drv->ops->open(dev_drv, i, 0);
3538 } else if (!dev_drv->win[win_id]->state) {
3539 dev_drv->ops->open(dev_drv, win_id, 1);
3540 dev_drv->suspend_flag = 0;
3541 mutex_lock(&dev_drv->win_config);
3542 info->var.yoffset = 0;
3543 info->fbops->fb_set_par(info);
3544 info->fbops->fb_pan_display(&info->var, info);
3545 mutex_unlock(&dev_drv->win_config);
3551 dev_drv->ops->load_screen(dev_drv, 0);
3553 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3556 hdmi_switch_state = 1;
3558 dev_drv->hdmi_switch = 0;
3559 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3560 if ((dev_drv->ops->set_screen_scaler) &&
3561 (rk_fb->disp_mode == ONE_DUAL))
3562 dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3563 /*if (dev_drv->ops->dsp_black)
3564 dev_drv->ops->dsp_black(dev_drv, 0);*/
3565 if ((dev_drv->ops->backlight_close) &&
3566 (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3567 (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP) &&
3568 (rk_fb->disp_mode == ONE_DUAL))
3569 dev_drv->ops->backlight_close(dev_drv, 0);
3571 mutex_unlock(&dev_drv->switch_screen);
3576 * function:this function current only called by hdmi for
3578 * scale_x: scale rate of x resolution
3579 * scale_y: scale rate of y resolution
3580 * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3582 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3584 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3585 struct fb_info *info = NULL;
3586 struct fb_info *pmy_info = NULL;
3587 struct fb_var_screeninfo *var = NULL;
3588 struct rk_lcdc_driver *dev_drv = NULL;
3589 u16 screen_x, screen_y;
3592 struct rk_screen primary_screen;
3593 rk_fb_get_prmry_screen(&primary_screen);
3594 if (primary_screen.type == SCREEN_HDMI) {
3597 pr_err("fuck not be hear--%s\n",__func__);
3600 sprintf(name, "lcdc%d", lcdc_id);
3602 if (inf->disp_mode == DUAL) {
3603 dev_drv = rk_get_lcdc_drv(name);
3604 if (dev_drv == NULL) {
3605 printk(KERN_ERR "%s driver not found!", name);
3609 dev_drv = inf->lcdc_dev_drv[0];
3612 if (inf->num_lcdc == 1) {
3614 } else if (inf->num_lcdc == 2) {
3615 info = inf->fb[dev_drv->lcdc_win_num];
3616 pmy_info = inf->fb[0];
3620 screen_x = dev_drv->cur_screen->mode.xres;
3621 screen_y = dev_drv->cur_screen->mode.yres;
3623 if (inf->disp_mode != DUAL && dev_drv->screen1) {
3624 dev_drv->cur_screen->xpos =
3625 (screen_x - screen_x * scale_x / 100) >> 1;
3626 dev_drv->cur_screen->ypos =
3627 (screen_y - screen_y * scale_y / 100) >> 1;
3628 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3629 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3631 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3632 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3633 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3634 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3635 if (inf->disp_mode == ONE_DUAL) {
3636 var->nonstd &= 0xff;
3637 var->nonstd |= (xpos << 8) + (ypos << 20);
3638 var->grayscale &= 0xff;
3640 (dev_drv->cur_screen->xsize << 8) +
3641 (dev_drv->cur_screen->ysize << 20);
3645 mutex_lock(&dev_drv->win_config);
3646 info->fbops->fb_set_par(info);
3647 dev_drv->ops->cfg_done(dev_drv);
3648 mutex_unlock(&dev_drv->win_config);
3653 #if defined(CONFIG_ION_ROCKCHIP)
3654 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3655 struct rk_lcdc_win *win,
3656 unsigned long fb_mem_size)
3658 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3659 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3660 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3661 struct ion_handle *handle;
3662 ion_phys_addr_t phy_addr;
3666 if (dev_drv->iommu_enabled)
3667 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3668 ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3670 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3671 ION_HEAP(ION_CMA_HEAP_ID), 0);
3672 if (IS_ERR(handle)) {
3673 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3678 fb_par->ion_hdl = handle;
3679 win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3680 if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3681 printk("ion_share_dma_buf() failed\n");
3682 goto err_share_dma_buf;
3684 win->area[0].ion_hdl = handle;
3685 if (dev_drv->prop == PRMRY)
3686 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3687 #ifdef CONFIG_ROCKCHIP_IOMMU
3688 if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3689 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3690 (unsigned long *)&phy_addr,
3691 (unsigned long *)&len);
3693 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3695 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3698 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3699 goto err_share_dma_buf;
3701 fbi->fix.smem_start = phy_addr;
3702 fbi->fix.smem_len = len;
3703 printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3707 ion_free(rk_fb->ion_client, handle);
3712 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3714 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3715 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3716 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3717 struct rk_lcdc_win *win = NULL;
3720 unsigned long fb_mem_size;
3721 #if !defined(CONFIG_ION_ROCKCHIP)
3722 dma_addr_t fb_mem_phys;
3726 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3730 win = dev_drv->win[win_id];
3732 if (!strcmp(fbi->fix.id, "fb0")) {
3733 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3734 #if defined(CONFIG_ION_ROCKCHIP)
3735 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3738 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3739 &fb_mem_phys, GFP_KERNEL);
3741 pr_err("%s: Failed to allocate framebuffer\n",
3745 fbi->fix.smem_len = fb_mem_size;
3746 fbi->fix.smem_start = fb_mem_phys;
3747 fbi->screen_base = fb_mem_virt;
3749 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3751 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3752 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3753 fbi->screen_base = rk_fb->fb[0]->screen_base;
3756 fbi->screen_size = fbi->fix.smem_len;
3757 fb_par->fb_phy_base = fbi->fix.smem_start;
3758 fb_par->fb_virt_base = fbi->screen_base;
3759 fb_par->fb_size = fbi->fix.smem_len;
3761 pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3762 fbi->fix.smem_start, fbi->screen_base,
3768 static int rk_release_fb_buffer(struct fb_info *fbi)
3770 /* buffer for fb1 and fb3 are alloc by android */
3771 if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3773 iounmap(fbi->screen_base);
3774 release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3779 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3780 struct rk_lcdc_win *def_win)
3783 int lcdc_win_num = dev_drv->lcdc_win_num;
3785 for (i = 0; i < lcdc_win_num; i++) {
3786 struct rk_lcdc_win *win = NULL;
3787 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3789 dev_err(dev_drv->dev, "kzmalloc for win fail!");
3793 strcpy(win->name, def_win[i].name);
3794 win->id = def_win[i].id;
3795 win->support_3d = def_win[i].support_3d;
3796 dev_drv->win[i] = win;
3802 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3803 struct rk_lcdc_win *def_win, int index)
3805 struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3806 struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3807 sizeof(struct rk_screen),
3812 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3817 screen->screen_id = 0;
3818 screen->lcdc_id = dev_drv->id;
3819 screen->overscan.left = 100;
3820 screen->overscan.top = 100;
3821 screen->overscan.right = 100;
3822 screen->overscan.bottom = 100;
3824 screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3825 screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3827 dev_drv->screen0 = screen;
3828 dev_drv->cur_screen = screen;
3829 /* devie use one lcdc + rk61x scaler for dual display */
3830 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3831 struct rk_screen *screen1 =
3832 devm_kzalloc(dev_drv->dev,
3833 sizeof(struct rk_screen),
3836 dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3840 screen1->screen_id = 1;
3841 screen1->lcdc_id = 1;
3842 dev_drv->screen1 = screen1;
3844 sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3845 init_lcdc_win(dev_drv, def_win);
3846 init_completion(&dev_drv->frame_done);
3847 spin_lock_init(&dev_drv->cpl_lock);
3848 mutex_init(&dev_drv->fb_win_id_mutex);
3849 mutex_init(&dev_drv->win_config);
3850 mutex_init(&dev_drv->front_lock);
3851 mutex_init(&dev_drv->switch_screen);
3852 dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3853 dev_drv->first_frame = 1;
3854 dev_drv->overscan.left = 100;
3855 dev_drv->overscan.top = 100;
3856 dev_drv->overscan.right = 100;
3857 dev_drv->overscan.bottom = 100;
3858 for (i = 0; i < RK30_MAX_LAYER_SUPPORT; i++)
3859 dev_drv->area_support[i] = 1;
3860 if (dev_drv->ops->area_support_num)
3861 dev_drv->ops->area_support_num(dev_drv, dev_drv->area_support);
3862 rk_disp_pwr_ctr_parse_dt(dev_drv);
3863 if (dev_drv->prop == PRMRY) {
3864 rk_fb_set_prmry_screen(screen);
3865 rk_fb_get_prmry_screen(screen);
3867 dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3868 if (dev_drv->prop != PRMRY)
3869 rk_fb_get_prmry_screen(screen);
3870 dev_drv->output_color = screen->color_mode;
3875 #ifdef CONFIG_LOGO_LINUX_BMP
3876 static struct linux_logo *bmp_logo;
3877 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3879 bmp_logo = fb_find_logo(24);
3880 if (bmp_logo == NULL) {
3881 printk(KERN_INFO "%s error\n", __func__);
3887 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3889 unsigned char *src = bmp_logo->data;
3890 unsigned char *dst = info->screen_base;
3892 unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3893 unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3895 for (i = 0; i < Needheight; i++)
3896 memcpy(dst + info->var.xres * i * 4,
3897 src + bmp_logo->width * i * 4, Needwidth * 4);
3902 * check if the primary lcdc has registerd,
3903 * the primary lcdc mas register first
3905 bool is_prmry_rk_lcdc_registered(void)
3907 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3909 if (rk_fb->lcdc_dev_drv[0])
3915 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3916 struct rk_lcdc_win *win, int id)
3918 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3919 struct fb_info *fbi;
3920 struct rk_fb_par *fb_par = NULL;
3921 int i = 0, ret = 0, index = 0;
3923 if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3926 for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3927 if (!rk_fb->lcdc_dev_drv[i]) {
3928 rk_fb->lcdc_dev_drv[i] = dev_drv;
3929 rk_fb->lcdc_dev_drv[i]->id = id;
3936 init_lcdc_device_driver(rk_fb, win, index);
3937 dev_drv->fb_index_base = rk_fb->num_fb;
3938 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3939 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3941 dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3944 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
3947 dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
3951 fb_par->id = rk_fb->num_fb;
3952 fb_par->lcdc_drv = dev_drv;
3953 fbi->par = (void *)fb_par;
3956 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3957 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3958 fbi->var.grayscale |=
3959 (fbi->var.xres << 8) + (fbi->var.yres << 20);
3960 #if defined(CONFIG_LOGO_LINUX_BMP)
3961 fbi->var.bits_per_pixel = 32;
3963 fbi->var.bits_per_pixel = 16;
3965 fbi->fix.line_length =
3966 (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3967 fbi->var.width = dev_drv->cur_screen->width;
3968 fbi->var.height = dev_drv->cur_screen->height;
3969 if (dev_drv->iommu_enabled)
3970 fb_ops.fb_mmap = rk_fb_mmap;
3971 fbi->fbops = &fb_ops;
3972 fbi->flags = FBINFO_FLAG_DEFAULT;
3973 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3974 ret = register_framebuffer(fbi);
3976 dev_err(&fb_pdev->dev,
3977 "%s fb%d register_framebuffer fail!\n",
3978 __func__, rk_fb->num_fb);
3981 rkfb_create_sysfs(fbi);
3982 rk_fb->fb[rk_fb->num_fb] = fbi;
3983 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3988 init_waitqueue_head(&dev_drv->vsync_info.wait);
3989 init_waitqueue_head(&dev_drv->update_regs_wait);
3990 ret = device_create_file(fbi->dev, &dev_attr_vsync);
3993 "failed to create vsync file\n");
3994 dev_drv->vsync_info.thread =
3995 kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3997 if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3999 "failed to run vsync thread\n");
4000 dev_drv->vsync_info.thread = NULL;
4002 dev_drv->vsync_info.active = 1;
4004 mutex_init(&dev_drv->output_lock);
4006 INIT_LIST_HEAD(&dev_drv->update_regs_list);
4007 mutex_init(&dev_drv->update_regs_list_lock);
4008 init_kthread_worker(&dev_drv->update_regs_worker);
4010 dev_drv->update_regs_thread =
4011 kthread_run(kthread_worker_fn,
4012 &dev_drv->update_regs_worker, "rk-fb");
4013 if (IS_ERR(dev_drv->update_regs_thread)) {
4014 int err = PTR_ERR(dev_drv->update_regs_thread);
4015 dev_drv->update_regs_thread = NULL;
4017 printk("failed to run update_regs thread\n");
4020 init_kthread_work(&dev_drv->update_regs_work,
4021 rk_fb_update_regs_handler);
4024 sw_sync_timeline_create("fb-timeline");
4025 dev_drv->timeline_max = 1;
4029 /* show logo for primary display device */
4030 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
4031 if (dev_drv->prop == PRMRY) {
4035 struct fb_info *main_fbi = rk_fb->fb[0];
4036 main_fbi->fbops->fb_open(main_fbi, 1);
4037 main_fbi->var.pixclock = dev_drv->pixclock;
4038 #if defined(CONFIG_ROCKCHIP_IOMMU)
4039 if (dev_drv->iommu_enabled) {
4040 if (dev_drv->mmu_dev)
4041 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4042 rk_fb_sysmmu_fault_handler);
4046 rk_fb_alloc_buffer(main_fbi); /* only alloc memory for main fb */
4047 dev_drv->uboot_logo = support_uboot_display();
4049 if (dev_drv->uboot_logo &&
4050 uboot_logo_offset && uboot_logo_base) {
4051 int width, height, bits;
4052 phys_addr_t start = uboot_logo_base + uboot_logo_offset;
4053 unsigned int size = uboot_logo_size - uboot_logo_offset;
4054 unsigned int nr_pages;
4055 struct page **pages;
4059 if (dev_drv->ops->get_dspbuf_info)
4060 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4061 &yact, &format, &dsp_addr);
4062 nr_pages = size >> PAGE_SHIFT;
4063 pages = kzalloc(sizeof(struct page) * nr_pages,
4065 while (i < nr_pages) {
4066 pages[i] = phys_to_page(start);
4070 vaddr = vmap(pages, nr_pages, VM_MAP,
4071 pgprot_writecombine(PAGE_KERNEL));
4073 pr_err("failed to vmap phy addr 0x%lx\n",
4074 (long)(uboot_logo_base +
4075 uboot_logo_offset));
4079 if(bmpdecoder(vaddr, main_fbi->screen_base, &width,
4087 if (dev_drv->uboot_logo &&
4088 (width != xact || height != yact)) {
4089 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
4090 xact, yact, width, height);
4094 if (dev_drv->ops->post_dspbuf) {
4095 dev_drv->ops->post_dspbuf(dev_drv,
4096 main_fbi->fix.smem_start,
4097 rk_fb_data_fmt(0, bits),
4098 width, height, width * bits >> 5);
4100 if (dev_drv->iommu_enabled) {
4101 rk_fb_poll_wait_frame_complete();
4102 if (dev_drv->ops->mmu_en)
4103 dev_drv->ops->mmu_en(dev_drv);
4108 } else if (dev_drv->uboot_logo && uboot_logo_base) {
4109 u32 start = uboot_logo_base;
4110 u32 start_base = start;
4112 unsigned int nr_pages;
4113 struct page **pages;
4116 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4119 logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
4120 if (logo_len > uboot_logo_size ||
4121 logo_len > main_fbi->fix.smem_len) {
4122 pr_err("logo size > uboot reserve buffer size\n");
4126 nr_pages = uboot_logo_size >> PAGE_SHIFT;
4127 pages = kzalloc(sizeof(struct page) * nr_pages,
4129 while (i < nr_pages) {
4130 pages[i] = phys_to_page(start);
4134 vaddr = vmap(pages, nr_pages, VM_MAP,
4135 pgprot_writecombine(PAGE_KERNEL));
4137 pr_err("failed to vmap phy addr 0x%x\n",
4142 memcpy(main_fbi->screen_base, vaddr, logo_len);
4147 dev_drv->ops->post_dspbuf(dev_drv,
4148 main_fbi->fix.smem_start,
4150 xact * rk_fb_pixel_width(format) >> 5);
4151 if (dev_drv->iommu_enabled) {
4152 rk_fb_poll_wait_frame_complete();
4153 if (dev_drv->ops->mmu_en)
4154 dev_drv->ops->mmu_en(dev_drv);
4159 if (dev_drv->iommu_enabled) {
4160 if (dev_drv->ops->mmu_en)
4161 dev_drv->ops->mmu_en(dev_drv);
4165 #if defined(CONFIG_LOGO)
4166 main_fbi->fbops->fb_set_par(main_fbi);
4167 #if defined(CONFIG_LOGO_LINUX_BMP)
4168 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
4169 fb_set_cmap(&main_fbi->cmap, main_fbi);
4170 fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
4173 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
4174 fb_set_cmap(&main_fbi->cmap, main_fbi);
4175 fb_show_logo(main_fbi, FB_ROTATE_UR);
4178 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
4181 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
4182 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
4183 rk_fb_alloc_buffer(extend_fbi);
4189 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
4191 struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
4192 struct fb_info *fbi;
4193 int fb_index_base = dev_drv->fb_index_base;
4194 int fb_num = dev_drv->lcdc_win_num;
4197 if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4198 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4199 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4202 for (i = 0; i < fb_num; i++)
4203 kfree(dev_drv->win[i]);
4205 for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4206 fbi = fb_inf->fb[i];
4207 unregister_framebuffer(fbi);
4208 /* rk_release_fb_buffer(fbi); */
4209 framebuffer_release(fbi);
4211 fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4217 static int rk_fb_probe(struct platform_device *pdev)
4219 struct rk_fb *rk_fb = NULL;
4220 struct device_node *np = pdev->dev.of_node;
4224 dev_err(&pdev->dev, "Missing device tree node.\n");
4228 rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4230 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4233 platform_set_drvdata(pdev, rk_fb);
4235 if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4236 rk_fb->disp_mode = mode;
4239 dev_err(&pdev->dev, "no disp-mode node found!");
4243 if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
4244 rk_fb->disp_policy = mode;
4245 pr_info("fb disp policy is %s\n", rk_fb->disp_policy ? "box":"sdk");
4248 if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4249 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
4251 dev_set_name(&pdev->dev, "rockchip-fb");
4252 #if defined(CONFIG_ION_ROCKCHIP)
4253 rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4254 if (IS_ERR(rk_fb->ion_client)) {
4255 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4256 return PTR_ERR(rk_fb->ion_client);
4258 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4263 dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4267 static int rk_fb_remove(struct platform_device *pdev)
4269 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4272 platform_set_drvdata(pdev, NULL);
4276 static void rk_fb_shutdown(struct platform_device *pdev)
4278 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4281 for (i = 0; i < rk_fb->num_lcdc; i++) {
4282 if (!rk_fb->lcdc_dev_drv[i])
4284 sw_sync_timeline_inc(rk_fb->lcdc_dev_drv[i]->timeline, 1);
4288 static const struct of_device_id rkfb_dt_ids[] = {
4289 {.compatible = "rockchip,rk-fb",},
4293 static struct platform_driver rk_fb_driver = {
4294 .probe = rk_fb_probe,
4295 .remove = rk_fb_remove,
4298 .owner = THIS_MODULE,
4299 .of_match_table = of_match_ptr(rkfb_dt_ids),
4301 .shutdown = rk_fb_shutdown,
4304 static int __init rk_fb_init(void)
4306 return platform_driver_register(&rk_fb_driver);
4309 static void __exit rk_fb_exit(void)
4311 platform_driver_unregister(&rk_fb_driver);
4314 fs_initcall(rk_fb_init);
4315 module_exit(rk_fb_exit);