2 * drivers/video/rockchip/rk_fb.c
4 * Copyright (C) ROCKCHIP, Inc.
5 * Author:yxj<yxj@rock-chips.com>
6 * This software is licensed under the terms of the GNU General Public
7 * License version 2, as published by the Free Software Foundation, and
8 * may be copied, distributed, and modified under those terms.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
16 #include <linux/module.h>
17 #include <linux/kernel.h>
18 #include <linux/errno.h>
19 #include <linux/string.h>
21 #include <linux/slab.h>
22 #include <linux/delay.h>
23 #include <linux/device.h>
24 #include <linux/kthread.h>
26 #include <linux/init.h>
27 #include <linux/vmalloc.h>
28 #include <asm/div64.h>
29 #include <linux/uaccess.h>
30 #include <linux/rk_fb.h>
31 #include <linux/linux_logo.h>
32 #include <linux/dma-mapping.h>
33 #include <linux/regulator/consumer.h>
35 #include "bmp_helper.h"
37 #if defined(CONFIG_RK_HDMI)
38 #include "hdmi/rockchip-hdmi.h"
41 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
47 #include <linux/of_platform.h>
48 #include <linux/of_gpio.h>
49 #include <video/of_display_timing.h>
50 #include <video/display_timing.h>
51 #include <dt-bindings/rkfb/rk_fb.h>
54 #if defined(CONFIG_ION_ROCKCHIP)
55 #include <linux/rockchip_ion.h>
56 #include <linux/rockchip-iovmm.h>
57 #include <linux/dma-buf.h>
58 #include <linux/highmem.h>
62 /* #define FB_ROATE_BY_KERNEL 1 */
64 static int hdmi_switch_complete;
65 static struct platform_device *fb_pdev;
67 #if defined(CONFIG_FB_MIRRORING)
68 int (*video_data_to_mirroring) (struct fb_info *info, u32 yuv_phy[2]);
69 EXPORT_SYMBOL(video_data_to_mirroring);
72 extern phys_addr_t uboot_logo_base;
73 extern phys_addr_t uboot_logo_size;
74 extern phys_addr_t uboot_logo_offset;
75 static struct rk_fb_trsm_ops *trsm_lvds_ops;
76 static struct rk_fb_trsm_ops *trsm_edp_ops;
77 static struct rk_fb_trsm_ops *trsm_mipi_ops;
78 static int uboot_logo_on;
79 int support_uboot_display(void)
84 int rk_fb_get_display_policy(void)
89 rk_fb = platform_get_drvdata(fb_pdev);
90 return rk_fb->disp_policy;
92 return DISPLAY_POLICY_SDK;
96 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
101 case SCREEN_DUAL_LVDS:
102 case SCREEN_LVDS_10BIT:
103 case SCREEN_DUAL_LVDS_10BIT:
110 case SCREEN_DUAL_MIPI:
114 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
121 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
123 struct rk_fb_trsm_ops *ops;
127 case SCREEN_DUAL_LVDS:
128 case SCREEN_LVDS_10BIT:
129 case SCREEN_DUAL_LVDS_10BIT:
136 case SCREEN_DUAL_MIPI:
141 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
148 int rk_fb_pixel_width(int data_format)
151 switch (data_format) {
179 printk(KERN_WARNING "%s:un supported format:0x%x\n",
180 __func__, data_format);
186 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
190 switch (data_format) {
191 case HAL_PIXEL_FORMAT_RGBX_8888:
192 fb_data_fmt = XBGR888;
194 case HAL_PIXEL_FORMAT_RGBA_8888:
195 fb_data_fmt = ABGR888;
197 case HAL_PIXEL_FORMAT_BGRA_8888:
198 fb_data_fmt = ARGB888;
200 case HAL_PIXEL_FORMAT_RGB_888:
201 fb_data_fmt = RGB888;
203 case HAL_PIXEL_FORMAT_RGB_565:
204 fb_data_fmt = RGB565;
206 case HAL_PIXEL_FORMAT_YCbCr_422_SP: /* yuv422 */
207 fb_data_fmt = YUV422;
209 case HAL_PIXEL_FORMAT_YCrCb_420_SP: /* YUV420---vuvuvu */
210 fb_data_fmt = YUV420_NV21;
212 case HAL_PIXEL_FORMAT_YCrCb_NV12: /* YUV420---uvuvuv */
213 fb_data_fmt = YUV420;
215 case HAL_PIXEL_FORMAT_YCrCb_444: /* yuv444 */
216 fb_data_fmt = YUV444;
218 case HAL_PIXEL_FORMAT_YCrCb_NV12_10: /* yuv444 */
219 fb_data_fmt = YUV420_A;
221 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10: /* yuv444 */
222 fb_data_fmt = YUV422_A;
224 case HAL_PIXEL_FORMAT_YCrCb_420_SP_10: /* yuv444 */
225 fb_data_fmt = YUV444_A;
227 case HAL_PIXEL_FORMAT_FBDC_RGB565: /* fbdc rgb565*/
228 fb_data_fmt = FBDC_RGB_565;
230 case HAL_PIXEL_FORMAT_FBDC_U8U8U8U8: /* fbdc argb888 */
231 fb_data_fmt = FBDC_ARGB_888;
233 case HAL_PIXEL_FORMAT_FBDC_RGBA888: /* fbdc abgr888 */
234 fb_data_fmt = FBDC_ABGR_888;
236 case HAL_PIXEL_FORMAT_FBDC_U8U8U8: /* fbdc rgb888 */
237 fb_data_fmt = FBDC_RGBX_888;
240 printk(KERN_WARNING "%s:un supported format:0x%x\n",
241 __func__, data_format);
245 switch (bits_per_pixel) {
247 fb_data_fmt = ARGB888;
250 fb_data_fmt = RGB888;
253 fb_data_fmt = RGB565;
257 "%s:un supported bits_per_pixel:%d\n", __func__,
266 * rk display power control parse from dts
268 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
270 struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
272 struct device_node *child;
273 struct rk_disp_pwr_ctr_list *pwr_ctr;
274 struct list_head *pos;
275 enum of_gpio_flags flags;
280 INIT_LIST_HEAD(&dev_drv->pwrlist_head);
282 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
287 for_each_child_of_node(root, child) {
288 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
290 strcpy(pwr_ctr->pwr_ctr.name, child->name);
291 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
293 pwr_ctr->pwr_ctr.type = GPIO;
294 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
295 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
296 dev_err(dev_drv->dev, "%s ivalid gpio\n",
300 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
301 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
304 dev_err(dev_drv->dev,
305 "request %s gpio fail:%d\n",
310 pwr_ctr->pwr_ctr.type = REGULATOR;
311 pwr_ctr->pwr_ctr.rgl_name = NULL;
312 ret = of_property_read_string(child, "rockchip,regulator_name",
313 &(pwr_ctr->pwr_ctr.rgl_name));
314 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
315 dev_err(dev_drv->dev, "get regulator name failed!\n");
316 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
317 pwr_ctr->pwr_ctr.volt = val;
319 pwr_ctr->pwr_ctr.volt = 0;
323 if (!of_property_read_u32(child, "rockchip,delay", &val))
324 pwr_ctr->pwr_ctr.delay = val;
326 pwr_ctr->pwr_ctr.delay = 0;
327 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
330 of_property_read_u32(root, "rockchip,debug", &debug);
333 list_for_each(pos, &dev_drv->pwrlist_head) {
334 pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
336 printk(KERN_INFO "pwr_ctr_name:%s\n"
341 pwr_ctr->pwr_ctr.name,
342 (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
343 pwr_ctr->pwr_ctr.gpio,
344 pwr_ctr->pwr_ctr.atv_val,
345 pwr_ctr->pwr_ctr.delay);
353 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
355 struct list_head *pos;
356 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
357 struct pwr_ctr *pwr_ctr;
358 struct regulator *regulator_lcd = NULL;
361 if (list_empty(&dev_drv->pwrlist_head))
363 list_for_each(pos, &dev_drv->pwrlist_head) {
364 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
366 pwr_ctr = &pwr_ctr_list->pwr_ctr;
367 if (pwr_ctr->type == GPIO) {
368 gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
369 mdelay(pwr_ctr->delay);
370 } else if (pwr_ctr->type == REGULATOR) {
371 if (pwr_ctr->rgl_name)
372 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
373 if (regulator_lcd == NULL) {
374 dev_err(dev_drv->dev,
375 "%s: regulator get failed,regulator name:%s\n",
376 __func__, pwr_ctr->rgl_name);
379 regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
380 while (!regulator_is_enabled(regulator_lcd)) {
381 if (regulator_enable(regulator_lcd) == 0 || count == 0)
384 dev_err(dev_drv->dev,
385 "regulator_enable failed,count=%d\n",
389 regulator_put(regulator_lcd);
390 msleep(pwr_ctr->delay);
397 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
399 struct list_head *pos;
400 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
401 struct pwr_ctr *pwr_ctr;
402 struct regulator *regulator_lcd = NULL;
405 if (list_empty(&dev_drv->pwrlist_head))
407 list_for_each(pos, &dev_drv->pwrlist_head) {
408 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
410 pwr_ctr = &pwr_ctr_list->pwr_ctr;
411 if (pwr_ctr->type == GPIO) {
412 gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
413 } else if (pwr_ctr->type == REGULATOR) {
414 if (pwr_ctr->rgl_name)
415 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
416 if (regulator_lcd == NULL) {
417 dev_err(dev_drv->dev,
418 "%s: regulator get failed,regulator name:%s\n",
419 __func__, pwr_ctr->rgl_name);
422 while (regulator_is_enabled(regulator_lcd) > 0) {
423 if (regulator_disable(regulator_lcd) == 0 || count == 0)
426 dev_err(dev_drv->dev,
427 "regulator_disable failed,count=%d\n",
431 regulator_put(regulator_lcd);
437 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
438 struct rk_screen *screen)
440 screen->mode.pixclock = dt->pixelclock.typ;
441 screen->mode.left_margin = dt->hback_porch.typ;
442 screen->mode.right_margin = dt->hfront_porch.typ;
443 screen->mode.xres = dt->hactive.typ;
444 screen->mode.hsync_len = dt->hsync_len.typ;
445 screen->mode.upper_margin = dt->vback_porch.typ;
446 screen->mode.lower_margin = dt->vfront_porch.typ;
447 screen->mode.yres = dt->vactive.typ;
448 screen->mode.vsync_len = dt->vsync_len.typ;
449 screen->type = dt->screen_type;
450 screen->lvds_format = dt->lvds_format;
451 screen->face = dt->face;
452 screen->color_mode = dt->color_mode;
453 screen->dsp_lut = dt->dsp_lut;
454 screen->cabc_lut = dt->cabc_lut;
456 if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
457 screen->pin_dclk = 1;
459 screen->pin_dclk = 0;
460 if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
461 screen->pin_hsync = 1;
463 screen->pin_hsync = 0;
464 if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
465 screen->pin_vsync = 1;
467 screen->pin_vsync = 0;
468 if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
477 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
479 struct display_timings *disp_timing;
480 struct display_timing *dt;
481 disp_timing = of_get_display_timings(np);
483 pr_err("parse display timing err\n");
486 dt = display_timings_get(disp_timing, disp_timing->native_mode);
487 rk_fb_video_mode_from_timing(dt, screen);
492 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
495 unsigned long long hz;
497 printk(KERN_ERR "%s:null screen!\n", __func__);
500 x = screen->mode.xres + screen->mode.left_margin +
501 screen->mode.right_margin + screen->mode.hsync_len;
502 y = screen->mode.yres + screen->mode.upper_margin +
503 screen->mode.lower_margin + screen->mode.vsync_len;
505 hz = 1000000000000ULL; /* 1e12 picoseconds per second */
508 do_div(hz, x * y); /* divide by x * y with rounding */
511 do_div(hz, pixclock); /* divide by pixclock with rounding */
516 char *get_format_string(enum data_format format, char *fmt)
522 strcpy(fmt, "ARGB888");
525 strcpy(fmt, "RGB888");
528 strcpy(fmt, "RGB565");
532 strcpy(fmt, "YUV420");
535 strcpy(fmt, "YUV422");
538 strcpy(fmt, "YUV444");
541 strcpy(fmt, "YUV420_A");
544 strcpy(fmt, "YUV422_A");
547 strcpy(fmt, "YUV444_A");
550 strcpy(fmt, "XRGB888");
553 strcpy(fmt, "XBGR888");
556 strcpy(fmt, "ABGR888");
559 strcpy(fmt, "FBDC_RGB_565");
563 strcpy(fmt, "FBDC_ARGB_888");
566 strcpy(fmt, "FBDC_RGBX_888");
569 strcpy(fmt, "invalid");
579 * name: lcdc device name ,lcdc0 , lcdc1
581 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
583 struct rk_fb *inf = NULL;
584 struct rk_lcdc_driver *dev_drv = NULL;
588 inf = platform_get_drvdata(fb_pdev);
592 for (i = 0; i < inf->num_lcdc; i++) {
593 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
594 dev_drv = inf->lcdc_dev_drv[i];
602 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
604 struct rk_fb *inf = NULL;
605 struct rk_lcdc_driver *dev_drv = NULL;
609 inf = platform_get_drvdata(fb_pdev);
613 for (i = 0; i < inf->num_lcdc; i++) {
614 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
615 dev_drv = inf->lcdc_dev_drv[i];
623 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
625 struct rk_fb *inf = NULL;
626 struct rk_lcdc_driver *dev_drv = NULL;
630 inf = platform_get_drvdata(fb_pdev);
634 for (i = 0; i < inf->num_lcdc; i++) {
635 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
636 dev_drv = inf->lcdc_dev_drv[i];
645 * get one frame time of the prmry screen, unit: us
647 u32 rk_fb_get_prmry_screen_ft(void)
649 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
650 uint32_t htotal, vtotal, pixclock_ps;
651 u64 pix_total, ft_us;
653 if (unlikely(!dev_drv))
656 pixclock_ps = dev_drv->pixclock;
658 vtotal = (dev_drv->cur_screen->mode.upper_margin +
659 dev_drv->cur_screen->mode.lower_margin +
660 dev_drv->cur_screen->mode.yres +
661 dev_drv->cur_screen->mode.vsync_len);
662 htotal = (dev_drv->cur_screen->mode.left_margin +
663 dev_drv->cur_screen->mode.right_margin +
664 dev_drv->cur_screen->mode.xres +
665 dev_drv->cur_screen->mode.hsync_len);
666 pix_total = htotal * vtotal;
667 ft_us = pix_total * pixclock_ps;
668 do_div(ft_us, 1000000);
669 if (dev_drv->frame_time.ft == 0)
670 dev_drv->frame_time.ft = ft_us;
672 ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
674 ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
676 dev_drv->frame_time.ft = ft_us;
678 return dev_drv->frame_time.ft;
682 * get the vblanking time of the prmry screen, unit: us
684 u32 rk_fb_get_prmry_screen_vbt(void)
686 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
687 uint32_t htotal, vblank, pixclock_ps;
688 u64 pix_blank, vbt_us;
690 if (unlikely(!dev_drv))
693 pixclock_ps = dev_drv->pixclock;
695 htotal = (dev_drv->cur_screen->mode.left_margin +
696 dev_drv->cur_screen->mode.right_margin +
697 dev_drv->cur_screen->mode.xres +
698 dev_drv->cur_screen->mode.hsync_len);
699 vblank = (dev_drv->cur_screen->mode.upper_margin +
700 dev_drv->cur_screen->mode.lower_margin +
701 dev_drv->cur_screen->mode.vsync_len);
702 pix_blank = htotal * vblank;
703 vbt_us = pix_blank * pixclock_ps;
704 do_div(vbt_us, 1000000);
709 * get the frame done time of the prmry screen, unit: us
711 u64 rk_fb_get_prmry_screen_framedone_t(void)
713 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
715 if (unlikely(!dev_drv))
718 return dev_drv->frame_time.framedone_t;
722 * set prmry screen status
724 int rk_fb_set_prmry_screen_status(int status)
726 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
727 struct rk_screen *screen;
729 if (unlikely(!dev_drv))
732 screen = dev_drv->cur_screen;
734 case SCREEN_PREPARE_DDR_CHANGE:
735 if (screen->type == SCREEN_MIPI
736 || screen->type == SCREEN_DUAL_MIPI) {
737 if (dev_drv->trsm_ops->dsp_pwr_off)
738 dev_drv->trsm_ops->dsp_pwr_off();
741 case SCREEN_UNPREPARE_DDR_CHANGE:
742 if (screen->type == SCREEN_MIPI
743 || screen->type == SCREEN_DUAL_MIPI) {
744 if (dev_drv->trsm_ops->dsp_pwr_on)
745 dev_drv->trsm_ops->dsp_pwr_on();
755 u32 rk_fb_get_prmry_screen_pixclock(void)
757 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
759 if (unlikely(!dev_drv))
762 return dev_drv->pixclock;
765 int rk_fb_poll_prmry_screen_vblank(void)
767 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
769 if (likely(dev_drv)) {
770 if (dev_drv->ops->poll_vblank)
771 return dev_drv->ops->poll_vblank(dev_drv);
773 return RK_LF_STATUS_NC;
775 return RK_LF_STATUS_NC;
779 bool rk_fb_poll_wait_frame_complete(void)
781 uint32_t timeout = RK_LF_MAX_TIMEOUT;
782 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
784 if (likely(dev_drv)) {
785 if (dev_drv->ops->set_irq_to_cpu)
786 dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
789 if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
790 if (likely(dev_drv)) {
791 if (dev_drv->ops->set_irq_to_cpu)
792 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
796 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
798 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
800 if (likely(dev_drv)) {
801 if (dev_drv->ops->set_irq_to_cpu)
802 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
809 /* rk_fb_get_sysmmu_device_by_compatible()
810 * @compt: dts device compatible name
811 * return value: success: pointer to the device inside of platform device
814 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
816 struct device_node *dn = NULL;
817 struct platform_device *pd = NULL;
818 struct device *ret = NULL ;
820 dn = of_find_compatible_node(NULL, NULL, compt);
822 printk("can't find device node %s \r\n", compt);
826 pd = of_find_device_by_node(dn);
828 printk("can't find platform device in device node %s \r\n", compt);
836 #ifdef CONFIG_IOMMU_API
837 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
839 dev->archdata.iommu = sysmmu;
842 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
848 static int rk_fb_open(struct fb_info *info, int user)
850 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
851 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
854 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
856 /* if this win aready opened ,no need to reopen */
857 if (dev_drv->win[win_id]->state)
860 dev_drv->ops->open(dev_drv, win_id, 1);
864 static int rk_fb_close(struct fb_info *info, int user)
866 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
867 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
868 struct rk_lcdc_win *win = NULL;
869 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
872 win = dev_drv->win[win_id];
874 if (!fb_par->state) {
875 if (fb_par->fb_phy_base > 0)
876 info->fix.smem_start = fb_par->fb_phy_base;
877 info->var.xres = dev_drv->screen0->mode.xres;
878 info->var.yres = dev_drv->screen0->mode.yres;
880 info->var.grayscale |=
881 (info->var.xres << 8) + (info->var.yres << 20);
883 info->var.xres_virtual = info->var.xres;
884 info->var.yres_virtual = info->var.yres;
885 #if defined(CONFIG_LOGO_LINUX_BMP)
886 info->var.bits_per_pixel = 32;
888 info->var.bits_per_pixel = 16;
890 info->fix.line_length =
891 (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
892 info->var.width = dev_drv->screen0->width;
893 info->var.height = dev_drv->screen0->height;
894 info->var.pixclock = dev_drv->pixclock;
895 info->var.left_margin = dev_drv->screen0->mode.left_margin;
896 info->var.right_margin = dev_drv->screen0->mode.right_margin;
897 info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
898 info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
899 info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
900 info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
907 #if defined(FB_ROATE_BY_KERNEL)
909 #if defined(CONFIG_RK29_IPP)
910 static int get_ipp_format(int fmt)
912 int ipp_fmt = IPP_XRGB_8888;
914 case HAL_PIXEL_FORMAT_RGBX_8888:
915 case HAL_PIXEL_FORMAT_RGBA_8888:
916 case HAL_PIXEL_FORMAT_BGRA_8888:
917 case HAL_PIXEL_FORMAT_RGB_888:
918 ipp_fmt = IPP_XRGB_8888;
920 case HAL_PIXEL_FORMAT_RGB_565:
921 ipp_fmt = IPP_RGB_565;
923 case HAL_PIXEL_FORMAT_YCbCr_422_SP:
924 ipp_fmt = IPP_Y_CBCR_H2V1;
926 case HAL_PIXEL_FORMAT_YCrCb_NV12:
927 ipp_fmt = IPP_Y_CBCR_H2V2;
929 case HAL_PIXEL_FORMAT_YCrCb_444:
930 ipp_fmt = IPP_Y_CBCR_H1V1;
933 ipp_fmt = IPP_IMGTYPE_LIMIT;
940 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
941 int rotation, int fmt)
946 if (fmt == IPP_XRGB_8888) {
949 } else if (fmt == IPP_RGB_565) {
956 align16 -= 1; /*for YUV, 1 */
957 align64 -= 1; /*for YUV, 7 */
959 if (rotation == IPP_ROT_0) {
960 if (fmt > IPP_RGB_565) {
961 if ((*dst_w & 1) != 0)
963 if ((*dst_h & 1) != 0)
965 if (*dst_vir_w < *dst_w)
969 if ((*dst_w & align64) != 0)
970 *dst_w = (*dst_w + align64) & (~align64);
971 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
973 if (*dst_vir_w < *dst_w)
978 static void fb_copy_by_ipp(struct fb_info *dst_info,
979 struct fb_info *src_info)
981 struct rk29_ipp_req ipp_req;
982 uint32_t rotation = 0;
983 int dst_w, dst_h, dst_vir_w;
985 u8 data_format = (dst_info->var.nonstd) & 0xff;
986 struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
987 struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
988 u16 orientation = ext_dev_drv->rotate_mode;
990 memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
992 switch (orientation) {
994 rotation = IPP_ROT_0;
997 rotation = IPP_ROT_90;
1000 rotation = IPP_ROT_180;
1003 rotation = IPP_ROT_270;
1006 rotation = IPP_ROT_270;
1010 dst_w = dst_info->var.xres;
1011 dst_h = dst_info->var.yres;
1012 dst_vir_w = dst_info->var.xres_virtual;
1013 ipp_fmt = get_ipp_format(data_format);
1014 ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1015 ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1016 ipp_req.src0.w = src_info->var.xres;
1017 ipp_req.src0.h = src_info->var.yres;
1018 ipp_req.src_vir_w = src_info->var.xres_virtual;
1019 ipp_req.src0.fmt = ipp_fmt;
1021 ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1022 ipp_req.dst0.w = dst_w;
1023 ipp_req.dst0.h = dst_h;
1024 ipp_req.dst_vir_w = dst_vir_w;
1025 ipp_req.dst0.fmt = ipp_fmt;
1027 ipp_req.timeout = 100;
1028 ipp_req.flag = rotation;
1029 ipp_blit_sync(&ipp_req);
1034 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1035 static int get_rga_format(int fmt)
1041 rga_fmt = RK_FORMAT_RGBX_8888;
1044 rga_fmt = RK_FORMAT_RGBA_8888;
1047 rga_fmt = RK_FORMAT_BGRA_8888;
1050 rga_fmt = RK_FORMAT_RGB_888;
1053 rga_fmt = RK_FORMAT_RGB_565;
1056 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1059 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1062 rga_fmt = RK_FORMAT_RGBA_8888;
1069 static void rga_win_check(struct rk_lcdc_win *dst_win,
1070 struct rk_lcdc_win *src_win)
1074 format = get_rga_format(src_win->area[0].format);
1075 /* width and height must be even number */
1076 if (format >= RK_FORMAT_YCbCr_422_SP &&
1077 format <= RK_FORMAT_YCrCb_420_P) {
1078 if ((src_win->area[0].xact % 2) != 0)
1079 src_win->area[0].xact += 1;
1080 if ((src_win->area[0].yact % 2) != 0)
1081 src_win->area[0].yact += 1;
1083 if (src_win->area[0].xvir < src_win->area[0].xact)
1084 src_win->area[0].xvir = src_win->area[0].xact;
1085 if (src_win->area[0].yvir < src_win->area[0].yact)
1086 src_win->area[0].yvir = src_win->area[0].yact;
1088 format = get_rga_format(dst_win->area[0].format);
1089 if (format >= RK_FORMAT_YCbCr_422_SP &&
1090 format <= RK_FORMAT_YCrCb_420_P) {
1091 if ((dst_win->area[0].xact % 2) != 0)
1092 dst_win->area[0].xact += 1;
1093 if ((dst_win->area[0].yact % 2) != 0)
1094 dst_win->area[0].yact += 1;
1096 if (dst_win->area[0].xvir < dst_win->area[0].xact)
1097 dst_win->area[0].xvir = dst_win->area[0].xact;
1098 if (dst_win->area[0].yvir < dst_win->area[0].yact)
1099 dst_win->area[0].yvir = dst_win->area[0].yact;
1102 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1103 struct rk_lcdc_win *src_win,
1104 u16 orientation, int iommu_en)
1106 struct rga_req Rga_Request;
1110 memset(&Rga_Request, 0, sizeof(Rga_Request));
1111 rga_win_check(dst_win, src_win);
1113 switch (orientation) {
1115 Rga_Request.rotate_mode = 1;
1116 Rga_Request.sina = 65536;
1117 Rga_Request.cosa = 0;
1118 Rga_Request.dst.act_w = dst_win->area[0].yact;
1119 Rga_Request.dst.act_h = dst_win->area[0].xact;
1120 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1121 Rga_Request.dst.y_offset = 0;
1124 Rga_Request.rotate_mode = 1;
1125 Rga_Request.sina = 0;
1126 Rga_Request.cosa = -65536;
1127 Rga_Request.dst.act_w = dst_win->area[0].xact;
1128 Rga_Request.dst.act_h = dst_win->area[0].yact;
1129 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1130 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1133 Rga_Request.rotate_mode = 1;
1134 Rga_Request.sina = -65536;
1135 Rga_Request.cosa = 0;
1136 Rga_Request.dst.act_w = dst_win->area[0].yact;
1137 Rga_Request.dst.act_h = dst_win->area[0].xact;
1138 Rga_Request.dst.x_offset = 0;
1139 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1142 Rga_Request.rotate_mode = 0;
1143 Rga_Request.dst.act_w = dst_win->area[0].xact;
1144 Rga_Request.dst.act_h = dst_win->area[0].yact;
1145 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1146 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1151 fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1152 Rga_Request.src.yrgb_addr = fd;
1153 fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1154 Rga_Request.dst.yrgb_addr = fd;
1156 Rga_Request.src.yrgb_addr = 0;
1157 Rga_Request.src.uv_addr =
1158 src_win->area[0].smem_start + src_win->area[0].y_offset;
1159 Rga_Request.src.v_addr = 0;
1161 Rga_Request.dst.yrgb_addr = 0;
1162 Rga_Request.dst.uv_addr =
1163 dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1164 Rga_Request.dst.v_addr = 0;
1166 Rga_Request.src.vir_w = src_win->area[0].xvir;
1167 Rga_Request.src.vir_h = src_win->area[0].yvir;
1168 Rga_Request.src.format = get_rga_format(src_win->area[0].format);
1169 Rga_Request.src.act_w = src_win->area[0].xact;
1170 Rga_Request.src.act_h = src_win->area[0].yact;
1171 Rga_Request.src.x_offset = 0;
1172 Rga_Request.src.y_offset = 0;
1174 Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1175 Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1176 Rga_Request.dst.format = get_rga_format(dst_win->area[0].format);
1178 Rga_Request.clip.xmin = 0;
1179 Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1180 Rga_Request.clip.ymin = 0;
1181 Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1182 Rga_Request.scale_mode = 0;
1183 #if defined(CONFIG_ROCKCHIP_IOMMU)
1185 Rga_Request.mmu_info.mmu_en = 1;
1186 Rga_Request.mmu_info.mmu_flag = 1;
1188 Rga_Request.mmu_info.mmu_en = 0;
1189 Rga_Request.mmu_info.mmu_flag = 0;
1192 Rga_Request.mmu_info.mmu_en = 0;
1193 Rga_Request.mmu_info.mmu_flag = 0;
1196 ret = rga_ioctl_kernel(&Rga_Request);
1200 * This function is used for copying fb by RGA Module
1201 * RGA only support copy RGB to RGB
1202 * RGA2 support copy RGB to RGB and YUV to YUV
1204 static void fb_copy_by_rga(struct fb_info *dst_info,
1205 struct fb_info *src_info)
1207 struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1208 struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1209 struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1210 struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1211 int win_id = 0, ext_win_id;
1212 struct rk_lcdc_win *src_win, *dst_win;
1214 win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1215 src_win = dev_drv->win[win_id];
1218 ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1219 dst_win = ext_dev_drv->win[ext_win_id];
1221 win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1222 ext_dev_drv->iommu_enabled);
1226 static int rk_fb_rotate(struct fb_info *dst_info,
1227 struct fb_info *src_info)
1230 #if defined(CONFIG_RK29_IPP)
1231 fb_copy_by_ipp(dst_info, src_info);
1232 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1233 fb_copy_by_rga(dst_info, src_info);
1240 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1241 struct rk_lcdc_win *src_win,
1242 u16 rotate, int iommu_en)
1244 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1245 win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1254 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1255 struct fb_info *info)
1257 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1258 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1259 struct fb_fix_screeninfo *fix = &info->fix;
1261 struct rk_lcdc_win *win = NULL;
1262 struct rk_screen *screen = dev_drv->cur_screen;
1263 u32 xoffset = var->xoffset;
1264 u32 yoffset = var->yoffset;
1265 u32 xvir = var->xres_virtual;
1268 u32 stride, uv_stride;
1271 u16 uv_x_off, uv_y_off, uv_y_act;
1274 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1278 win = dev_drv->win[win_id];
1280 pixel_width = rk_fb_pixel_width(win->area[0].format);
1281 vir_width_bit = pixel_width * xvir;
1282 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1283 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1285 switch (win->area[0].format) {
1289 stride = stride_32bit_1;
1290 uv_stride = stride_32bit_1 >> 1;
1291 uv_x_off = xoffset >> 1;
1293 fix->line_length = stride;
1294 uv_y_act = win->area[0].yact >> 1;
1296 case YUV420: /* nv12 */
1297 case YUV420_NV21: /* nv21 */
1300 stride = stride_32bit_1;
1301 uv_stride = stride_32bit_1;
1303 uv_y_off = yoffset >> 1;
1304 fix->line_length = stride;
1305 uv_y_act = win->area[0].yact >> 1;
1310 stride = stride_32bit_1;
1311 uv_stride = stride_32bit_2;
1312 uv_x_off = xoffset * 2;
1314 fix->line_length = stride << 2;
1315 uv_y_act = win->area[0].yact;
1318 stride = stride_32bit_1; /* default rgb */
1319 fix->line_length = stride;
1323 /* x y mirror ,jump line */
1324 if ((screen->y_mirror == 1) ||
1325 (win->mirror_en == 1)) {
1326 if (screen->interlace == 1) {
1327 win->area[0].y_offset = yoffset * stride * 2 +
1328 ((win->area[0].yact - 1) * 2 + 1) * stride +
1329 xoffset * pixel_width / 8;
1331 win->area[0].y_offset = yoffset * stride +
1332 (win->area[0].yact - 1) * stride +
1333 xoffset * pixel_width / 8;
1336 if (screen->interlace == 1) {
1337 win->area[0].y_offset =
1338 yoffset * stride * 2 + xoffset * pixel_width / 8;
1340 win->area[0].y_offset =
1341 yoffset * stride + xoffset * pixel_width / 8;
1344 if (is_pic_yuv == 1) {
1345 if ((screen->y_mirror == 1) ||
1346 (win->mirror_en == 1)) {
1347 if (screen->interlace == 1) {
1348 win->area[0].c_offset =
1349 uv_y_off * uv_stride * 2 +
1350 ((uv_y_act - 1) * 2 + 1) * uv_stride +
1351 uv_x_off * pixel_width / 8;
1353 win->area[0].c_offset = uv_y_off * uv_stride +
1354 (uv_y_act - 1) * uv_stride +
1355 uv_x_off * pixel_width / 8;
1358 if (screen->interlace == 1) {
1359 win->area[0].c_offset =
1360 uv_y_off * uv_stride * 2 +
1361 uv_x_off * pixel_width / 8;
1363 win->area[0].c_offset =
1364 uv_y_off * uv_stride +
1365 uv_x_off * pixel_width / 8;
1370 win->area[0].smem_start = fix->smem_start;
1371 win->area[0].cbr_start = fix->mmio_start;
1372 win->area[0].state = 1;
1375 dev_drv->ops->pan_display(dev_drv, win_id);
1377 #ifdef CONFIG_FB_MIRRORING
1378 if (video_data_to_mirroring)
1379 video_data_to_mirroring(info, NULL);
1381 /*if not want the config effect,set reserved[3] bit[0] 1*/
1382 if (likely((var->reserved[3] & 0x1) == 0))
1383 dev_drv->ops->cfg_done(dev_drv);
1388 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1392 i = list_empty(&dev_drv->update_regs_list);
1393 j = list_empty(&dev_drv->saved_list);
1394 return i == j ? 0 : 1;
1397 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1399 int err = sync_fence_wait(fence, 1000);
1405 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1408 printk("error waiting on fence\n");
1411 static int rk_fb_copy_from_loader(struct fb_info *info)
1413 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1414 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1415 void *dst = info->screen_base;
1420 struct rk_lcdc_win *win;
1422 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1423 win = dev_drv->win[win_id];
1424 size = (win->area[0].xact) * (win->area[0].yact) << 2;
1425 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1426 src = dsp_addr[win_id];
1427 dev_info(info->dev, "copy fb data %d x %d from dst_addr:%08x\n",
1428 win->area[0].xact, win->area[0].yact, src);
1429 for (i = 0; i < size; i += PAGE_SIZE) {
1430 void *page = phys_to_page(i + src);
1431 void *from_virt = kmap(page);
1432 void *to_virt = dst + i;
1433 memcpy(to_virt, from_virt, PAGE_SIZE);
1435 dev_drv->ops->direct_set_addr(dev_drv, win_id,
1436 info->fix.smem_start);
1440 #ifdef CONFIG_ROCKCHIP_IOMMU
1441 static int g_last_addr[4];
1446 #define DUMP_CHUNK 256
1447 char buf[PAGE_SIZE];
1449 int rk_fb_sysmmu_fault_handler(struct device *dev,
1450 enum rk_iommu_inttype itype,
1451 unsigned long pgtable_base,
1452 unsigned long fault_addr, unsigned int status)
1454 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1456 static int page_fault_cnt;
1457 if ((page_fault_cnt++) >= 10)
1460 ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1461 fault_addr, pgtable_base, status);
1462 printk("last config addr:\n" "win0:0x%08x\n" "win1:0x%08x\n"
1463 "win2:0x%08x\n" "win3:0x%08x\n", g_last_addr[0], g_last_addr[1],
1464 g_last_addr[2], g_last_addr[3]);
1465 printk("last freed buffer:\n");
1466 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1467 printk("%d:0x%08x\n", i, freed_addr[i]);
1468 printk("last timeout:%d\n", g_last_timeout);
1469 dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1470 for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1471 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1472 char c = buf[i + DUMP_CHUNK];
1473 buf[i + DUMP_CHUNK] = 0;
1474 pr_cont("%s", buf + i);
1475 buf[i + DUMP_CHUNK] = c;
1477 buf[PAGE_SIZE - 1] = 0;
1478 pr_cont("%s", buf + i);
1486 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1487 struct rk_fb_reg_win_data *reg_win_data)
1490 struct rk_fb_reg_area_data *area_data;
1491 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1493 for (i = 0; i < reg_win_data->area_num; i++) {
1494 area_data = ®_win_data->reg_area_data[i];
1495 index_buf = area_data->index_buf;
1496 #if defined(CONFIG_ROCKCHIP_IOMMU)
1497 if (dev_drv->iommu_enabled) {
1498 if (rk_fb->disp_policy != DISPLAY_POLICY_BOX)
1499 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1500 area_data->ion_handle);
1501 freed_addr[freed_index++] = area_data->smem_start;
1504 if (area_data->ion_handle != NULL)
1505 ion_free(rk_fb->ion_client, area_data->ion_handle);
1507 if (area_data->acq_fence)
1508 sync_fence_put(area_data->acq_fence);
1510 memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1513 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1514 struct rk_lcdc_win *win,
1515 struct rk_fb_reg_win_data *reg_win_data)
1518 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1519 struct rk_screen *cur_screen;
1520 struct rk_screen primary_screen;
1522 if (unlikely(!inf) || unlikely(!dev_drv) ||
1523 unlikely(!win) || unlikely(!reg_win_data))
1526 cur_screen = dev_drv->cur_screen;
1527 rk_fb_get_prmry_screen(&primary_screen);
1529 win->area_num = reg_win_data->area_num;
1530 win->id = reg_win_data->win_id;
1531 win->z_order = reg_win_data->z_order;
1533 if (reg_win_data->reg_area_data[0].smem_start > 0) {
1535 win->area_num = reg_win_data->area_num;
1536 win->id = reg_win_data->win_id;
1537 win->z_order = reg_win_data->z_order;
1538 win->area[0].uv_vir_stride =
1539 reg_win_data->reg_area_data[0].uv_vir_stride;
1540 win->area[0].cbr_start =
1541 reg_win_data->reg_area_data[0].cbr_start;
1542 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1543 win->alpha_en = reg_win_data->alpha_en;
1544 win->alpha_mode = reg_win_data->alpha_mode;
1545 win->g_alpha_val = reg_win_data->g_alpha_val;
1546 win->mirror_en = reg_win_data->mirror_en;
1547 win->area[0].fbdc_en =
1548 reg_win_data->reg_area_data[0].fbdc_en;
1549 win->area[0].fbdc_cor_en =
1550 reg_win_data->reg_area_data[0].fbdc_cor_en;
1551 win->area[0].fbdc_data_format =
1552 reg_win_data->reg_area_data[0].fbdc_data_format;
1553 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1554 if (reg_win_data->reg_area_data[i].smem_start > 0) {
1555 win->area[i].format =
1556 reg_win_data->reg_area_data[i].data_format;
1557 if (inf->disp_policy != DISPLAY_POLICY_BOX)
1558 win->area[i].ion_hdl =
1559 reg_win_data->reg_area_data[i].ion_handle;
1560 win->area[i].smem_start =
1561 reg_win_data->reg_area_data[i].smem_start;
1562 if (inf->disp_mode == DUAL ||
1563 inf->disp_mode == NO_DUAL ||
1564 inf->disp_policy == DISPLAY_POLICY_BOX) {
1566 reg_win_data->reg_area_data[i].xpos;
1568 reg_win_data->reg_area_data[i].ypos;
1569 win->area[i].xsize =
1570 reg_win_data->reg_area_data[i].xsize;
1571 win->area[i].ysize =
1572 reg_win_data->reg_area_data[i].ysize;
1575 reg_win_data->reg_area_data[i].xpos *
1576 cur_screen->mode.xres /
1577 primary_screen.mode.xres;
1579 reg_win_data->reg_area_data[i].ypos *
1580 cur_screen->mode.yres /
1581 primary_screen.mode.yres;
1582 win->area[i].xsize =
1583 reg_win_data->reg_area_data[i].xsize *
1584 cur_screen->mode.xres /
1585 primary_screen.mode.xres;
1586 win->area[i].ysize =
1587 reg_win_data->reg_area_data[i].ysize *
1588 cur_screen->mode.yres /
1589 primary_screen.mode.yres;
1591 /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1592 if (inf->disp_mode == ONE_DUAL && hdmi_switch_complete) {
1593 if (cur_screen->xsize > 0 &&
1594 cur_screen->xsize <= cur_screen->mode.xres) {
1596 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1597 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1598 win->area[i].xsize =
1599 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1601 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1603 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1604 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1605 win->area[i].ysize =
1606 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1611 reg_win_data->reg_area_data[i].xact;
1613 reg_win_data->reg_area_data[i].yact;
1615 reg_win_data->reg_area_data[i].xvir;
1617 reg_win_data->reg_area_data[i].yvir;
1619 reg_win_data->reg_area_data[i].xoff;
1621 reg_win_data->reg_area_data[i].yoff;
1622 win->area[i].y_offset =
1623 reg_win_data->reg_area_data[i].y_offset;
1624 win->area[i].y_vir_stride =
1625 reg_win_data->reg_area_data[i].y_vir_stride;
1626 win->area[i].state = 1;
1628 win->area[i].state = 0;
1639 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1643 struct rk_fb_reg_win_data *win_data = NULL;
1644 for (i = 0; i < regs->win_num; i++) {
1645 if (regs->reg_win_data[i].win_id == win_id) {
1646 win_data = &(regs->reg_win_data[i]);
1654 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1655 struct rk_fb_reg_data *regs)
1658 struct rk_lcdc_win *win;
1659 ktime_t timestamp = dev_drv->vsync_info.timestamp;
1660 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1661 struct rk_fb_reg_win_data *win_data;
1662 bool wait_for_vsync;
1664 unsigned int dsp_addr[4];
1668 /* acq_fence wait */
1669 for (i = 0; i < regs->win_num; i++) {
1670 win_data = ®s->reg_win_data[i];
1671 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1672 if (win_data->reg_area_data[j].acq_fence) {
1673 /* printk("acq_fence wait!!!!!\n"); */
1674 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1679 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1680 win = dev_drv->win[i];
1681 win_data = rk_fb_get_win_data(regs, i);
1683 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1684 (win_data->reg_area_data[0].data_format == YUV420 ||
1685 win_data->reg_area_data[0].data_format == YUV420_NV21 ||
1686 win_data->reg_area_data[0].data_format == YUV420_A))
1688 mutex_lock(&dev_drv->win_config);
1689 rk_fb_update_win(dev_drv, win, win_data);
1691 dev_drv->ops->set_par(dev_drv, i);
1692 dev_drv->ops->pan_display(dev_drv, i);
1693 mutex_unlock(&dev_drv->win_config);
1694 #if defined(CONFIG_ROCKCHIP_IOMMU)
1695 if (dev_drv->iommu_enabled) {
1696 g_last_addr[i] = win_data->reg_area_data[0].smem_start +
1697 win_data->reg_area_data[0].y_offset;
1705 dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1706 dev_drv->ops->cfg_done(dev_drv);
1709 timestamp = dev_drv->vsync_info.timestamp;
1710 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1711 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1712 msecs_to_jiffies(25));
1714 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1715 wait_for_vsync = false;
1716 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1717 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1718 (!strcmp(dev_drv->win[i]->name, "hwc")))
1720 if (dev_drv->win[i]->state == 1) {
1722 dev_drv->win[i]->area[0].smem_start +
1723 dev_drv->win[i]->area[0].y_offset;
1724 u32 reg_start = dsp_addr[i];
1726 if ((rk_fb->disp_policy ==
1727 DISPLAY_POLICY_BOX) &&
1728 (dev_drv->suspend_flag))
1730 if (unlikely(new_start != reg_start)) {
1731 wait_for_vsync = true;
1732 dev_info(dev_drv->dev,
1733 "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1734 i, new_start, reg_start, 101 - count);
1737 } else if (dev_drv->win[i]->state == 0) {
1738 if (dev_drv->ops->get_win_state) {
1740 dev_drv->ops->get_win_state(dev_drv, i);
1742 wait_for_vsync = true;
1745 pr_err("!!!win[%d]state:%d,error!!!\n",
1746 i, dev_drv->win[i]->state);
1749 } while (wait_for_vsync && count--);
1751 sw_sync_timeline_inc(dev_drv->timeline, 1);
1753 if (dev_drv->front_regs) {
1754 #if defined(CONFIG_ROCKCHIP_IOMMU)
1755 if (dev_drv->iommu_enabled) {
1756 if (dev_drv->ops->mmu_en)
1757 dev_drv->ops->mmu_en(dev_drv);
1759 g_last_timeout = timeout;
1763 mutex_lock(&dev_drv->front_lock);
1765 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1766 win_data = &dev_drv->front_regs->reg_win_data[i];
1767 rk_fb_free_dma_buf(dev_drv, win_data);
1769 kfree(dev_drv->front_regs);
1771 mutex_unlock(&dev_drv->front_lock);
1773 #if defined(CONFIG_ROCKCHIP_IOMMU)
1774 if (dev_drv->iommu_enabled)
1775 freed_addr[freed_index] = 0xfefefefe;
1779 mutex_lock(&dev_drv->front_lock);
1781 dev_drv->front_regs = regs;
1783 mutex_unlock(&dev_drv->front_lock);
1786 static void rk_fb_update_regs_handler(struct kthread_work *work)
1788 struct rk_lcdc_driver *dev_drv =
1789 container_of(work, struct rk_lcdc_driver, update_regs_work);
1790 struct rk_fb_reg_data *data, *next;
1792 mutex_lock(&dev_drv->update_regs_list_lock);
1793 dev_drv->saved_list = dev_drv->update_regs_list;
1794 list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1795 mutex_unlock(&dev_drv->update_regs_list_lock);
1797 list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1798 rk_fb_update_reg(dev_drv, data);
1799 list_del(&data->list);
1802 if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1803 wake_up(&dev_drv->update_regs_wait);
1806 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1807 struct rk_screen *screen)
1809 if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1810 (area_par->xact <= 0) || (area_par->yact <= 0) ||
1811 (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1812 pr_err("check config var fail 0:\n"
1813 "x_offset=%d,xact=%d,xvir=%d\n",
1814 area_par->x_offset, area_par->xact, area_par->xvir);
1818 if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1819 (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1820 (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1821 pr_warn("check config var fail 1:\n"
1822 "xpos=%d,xsize=%d,xres=%d\n"
1823 "ypos=%d,ysize=%d,yres=%d\n",
1824 area_par->xpos, area_par->xsize, screen->mode.xres,
1825 area_par->ypos, area_par->ysize, screen->mode.yres);
1831 static int rk_fb_set_win_buffer(struct fb_info *info,
1832 struct rk_fb_win_par *win_par,
1833 struct rk_fb_reg_win_data *reg_win_data)
1835 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1836 struct fb_fix_screeninfo *fix = &info->fix;
1837 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1838 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1839 /*if hdmi size move to hwc,screen should point to cur_screen*/
1840 struct rk_screen *screen = dev_drv->screen0;/*cur_screen;*/
1841 struct fb_info *fbi;
1842 int i, ion_fd, acq_fence_fd;
1844 u32 xoffset, yoffset;
1846 struct ion_handle *hdl;
1852 u32 stride, uv_stride;
1855 u16 uv_x_off, uv_y_off, uv_y_act;
1857 u8 ppixel_a = 0, global_a = 0;
1858 ion_phys_addr_t phy_addr;
1862 reg_win_data->reg_area_data[0].smem_start = -1;
1863 reg_win_data->area_num = 0;
1864 fbi = rk_fb->fb[reg_win_data->win_id];
1865 if (win_par->area_par[0].phy_addr == 0) {
1866 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1867 ion_fd = win_par->area_par[i].ion_fd;
1870 ion_import_dma_buf(rk_fb->ion_client,
1873 pr_info("%s: Could not import handle:"
1874 " %ld\n", __func__, (long)hdl);
1875 /*return -EINVAL; */
1878 reg_win_data->area_num++;
1879 reg_win_data->reg_area_data[i].ion_handle = hdl;
1880 #ifndef CONFIG_ROCKCHIP_IOMMU
1881 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
1884 if (dev_drv->iommu_enabled)
1885 ret = ion_map_iommu(dev_drv->dev,
1888 (unsigned long *)&phy_addr,
1889 (unsigned long *)&len);
1891 ret = ion_phys(rk_fb->ion_client, hdl,
1895 dev_err(fbi->dev, "ion map to get phy addr failed\n");
1896 ion_free(rk_fb->ion_client, hdl);
1899 reg_win_data->reg_area_data[i].smem_start = phy_addr;
1900 reg_win_data->area_buf_num++;
1901 reg_win_data->reg_area_data[i].index_buf = 1;
1902 reg_win_data->reg_area_data[i].buff_len = len;
1906 reg_win_data->reg_area_data[0].smem_start =
1907 win_par->area_par[0].phy_addr;
1908 reg_win_data->area_num = 1;
1909 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
1912 if (reg_win_data->area_num == 0)
1915 for (i = 0; i < reg_win_data->area_num; i++) {
1916 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
1917 index_buf = reg_win_data->reg_area_data[i].index_buf;
1918 if ((acq_fence_fd > 0) && (index_buf == 1)) {
1919 reg_win_data->reg_area_data[i].acq_fence =
1920 sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
1923 if (reg_win_data->reg_area_data[0].smem_start > 0) {
1924 reg_win_data->z_order = win_par->z_order;
1925 reg_win_data->win_id = win_par->win_id;
1927 reg_win_data->z_order = -1;
1928 reg_win_data->win_id = -1;
1931 reg_win_data->mirror_en = win_par->mirror_en;
1932 for (i = 0; i < reg_win_data->area_num; i++) {
1933 rk_fb_check_config_var(&win_par->area_par[i], screen);
1935 fb_data_fmt = rk_fb_data_fmt(win_par->area_par[i].data_format, 0);
1936 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
1937 if (fb_data_fmt >= FBDC_RGB_565) {
1938 reg_win_data->reg_area_data[i].fbdc_en = 1;
1939 reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
1941 reg_win_data->reg_area_data[i].fbdc_en = 0;
1942 reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
1944 pixel_width = rk_fb_pixel_width(fb_data_fmt);
1946 ppixel_a |= ((fb_data_fmt == ARGB888) ||
1947 (fb_data_fmt == FBDC_ARGB_888) ||
1948 (fb_data_fmt == FBDC_ABGR_888) ||
1949 (fb_data_fmt == ABGR888)) ? 1 : 0;
1950 /* visiable pos in panel */
1951 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
1952 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
1954 /* realy size in panel */
1955 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
1956 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
1958 /* realy size in panel */
1959 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
1960 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
1962 xoffset = win_par->area_par[i].x_offset; /* buf offset */
1963 yoffset = win_par->area_par[i].y_offset;
1964 reg_win_data->reg_area_data[i].xoff = xoffset;
1965 reg_win_data->reg_area_data[i].yoff = yoffset;
1967 xvir = win_par->area_par[i].xvir;
1968 reg_win_data->reg_area_data[i].xvir = xvir;
1969 yvir = win_par->area_par[i].yvir;
1970 reg_win_data->reg_area_data[i].yvir = yvir;
1972 vir_width_bit = pixel_width * xvir;
1973 /* pixel_width = byte_num*8 */
1974 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
1975 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
1977 stride = stride_32bit_1; /* default rgb */
1978 fix->line_length = stride;
1979 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
1981 /* x y mirror ,jump line
1982 * reg_win_data->reg_area_data[i].y_offset =
1983 * yoffset*stride+xoffset*pixel_width/8;
1985 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
1986 if (screen->interlace == 1) {
1987 reg_win_data->reg_area_data[i].y_offset =
1988 yoffset * stride * 2 +
1989 ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
1990 xoffset * pixel_width / 8;
1992 reg_win_data->reg_area_data[i].y_offset =
1994 (reg_win_data->reg_area_data[i].yact - 1) * stride +
1995 xoffset * pixel_width / 8;
1998 if (screen->interlace == 1) {
1999 reg_win_data->reg_area_data[i].y_offset =
2000 yoffset * stride * 2 +
2001 xoffset * pixel_width / 8;
2003 reg_win_data->reg_area_data[i].y_offset =
2005 xoffset * pixel_width / 8;
2008 if ((fb_data_fmt != YUV420) &&
2009 (fb_data_fmt != YUV420_NV21) &&
2010 (fb_data_fmt != YUV422) &&
2011 (fb_data_fmt != YUV444)) {
2012 buff_len = reg_win_data->reg_area_data[i].y_offset +
2013 reg_win_data->reg_area_data[i].xvir *
2014 reg_win_data->reg_area_data[i].yact *
2016 reg_win_data->reg_area_data[i].xoff*
2018 if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2019 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2021 "=buff_len[0x%x]>>mmu len=0x%x\n",
2023 reg_win_data->reg_area_data[i].xvir,
2024 reg_win_data->reg_area_data[i].yact,
2025 pixel_width, buff_len,
2026 reg_win_data->reg_area_data[i].buff_len);
2030 global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2031 reg_win_data->alpha_en = ppixel_a | global_a;
2032 reg_win_data->g_alpha_val = win_par->g_alpha_val;
2033 reg_win_data->alpha_mode = win_par->alpha_mode;
2035 switch (fb_data_fmt) {
2039 stride = stride_32bit_1;
2040 uv_stride = stride_32bit_1 >> 1;
2041 uv_x_off = xoffset >> 1;
2043 fix->line_length = stride;
2044 uv_y_act = win_par->area_par[0].yact >> 1;
2046 case YUV420: /* nv12 */
2047 case YUV420_NV21: /* nv21 */
2050 stride = stride_32bit_1;
2051 uv_stride = stride_32bit_1;
2053 uv_y_off = yoffset >> 1;
2054 fix->line_length = stride;
2055 uv_y_act = win_par->area_par[0].yact >> 1;
2060 stride = stride_32bit_1;
2061 uv_stride = stride_32bit_2;
2062 uv_x_off = xoffset * 2;
2064 fix->line_length = stride << 2;
2065 uv_y_act = win_par->area_par[0].yact;
2070 if (is_pic_yuv == 1) {
2071 reg_win_data->reg_area_data[0].cbr_start =
2072 reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2073 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2074 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2075 if (screen->interlace == 1) {
2076 reg_win_data->reg_area_data[0].c_offset =
2077 uv_y_off * uv_stride * 2 +
2078 ((uv_y_act - 1) * 2 + 1) * uv_stride +
2079 uv_x_off * pixel_width / 8;
2081 reg_win_data->reg_area_data[0].c_offset =
2082 uv_y_off * uv_stride +
2083 (uv_y_act - 1) * uv_stride +
2084 uv_x_off * pixel_width / 8;
2087 if (screen->interlace == 1) {
2088 reg_win_data->reg_area_data[0].c_offset =
2089 uv_y_off * uv_stride * 2 +
2090 uv_x_off * pixel_width / 8;
2092 reg_win_data->reg_area_data[0].c_offset =
2093 uv_y_off * uv_stride +
2094 uv_x_off * pixel_width / 8;
2097 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2098 reg_win_data->reg_area_data[0].c_offset +
2099 reg_win_data->reg_area_data[0].xvir *
2100 reg_win_data->reg_area_data[0].yact *
2102 reg_win_data->reg_area_data[0].smem_start -
2103 reg_win_data->reg_area_data[0].xoff*
2105 if (buff_len > reg_win_data->reg_area_data[0].buff_len)
2106 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2108 "=buff_len[0x%x]>>mmu len=0x%x\n",
2110 reg_win_data->reg_area_data[0].xvir,
2111 reg_win_data->reg_area_data[0].yact,
2112 pixel_width, buff_len,
2113 reg_win_data->reg_area_data[0].buff_len);
2116 /* record buffer information for rk_fb_disp_scale to prevent fence timeout
2117 * because rk_fb_disp_scale will call function info->fbops->fb_set_par(info);
2119 info->var.yoffset = yoffset;
2120 info->var.xoffset = xoffset;
2124 static int rk_fb_set_win_config(struct fb_info *info,
2125 struct rk_fb_win_cfg_data *win_data)
2127 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2128 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2129 struct rk_fb_reg_data *regs;
2131 struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2132 struct sync_fence *retire_fence;
2133 struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2134 struct sync_pt *retire_sync_pt;
2135 char fence_name[20];
2137 int ret = 0, i, j = 0;
2138 int list_is_empty = 0;
2140 if (dev_drv->suspend_flag) {
2141 dev_drv->timeline_max++;
2142 sw_sync_timeline_inc(dev_drv->timeline, 1);
2146 regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2148 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2154 regs->post_cfg.xpos = win_data->post_cfg.xpos;
2155 regs->post_cfg.ypos = win_data->post_cfg.ypos;
2156 regs->post_cfg.xsize = win_data->post_cfg.xsize;
2157 regs->post_cfg.ysize = win_data->post_cfg.xsize;
2160 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2161 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2162 if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2163 ®s->reg_win_data[j]))
2165 if (regs->reg_win_data[j].area_num > 0) {
2168 regs->reg_win_data[j].area_buf_num;
2172 printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2173 printk(KERN_INFO "i=%d,win_id=%d\n", i,
2174 win_data->win_par[i].win_id);
2178 mutex_lock(&dev_drv->output_lock);
2180 dev_drv->timeline_max++;
2182 for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2183 if (i < regs->buf_num) {
2184 sprintf(fence_name, "fence%d", i);
2185 win_data->rel_fence_fd[i] = get_unused_fd();
2186 if (win_data->rel_fence_fd[i] < 0) {
2187 printk(KERN_INFO "rel_fence_fd=%d\n",
2188 win_data->rel_fence_fd[i]);
2192 release_sync_pt[i] =
2193 sw_sync_pt_create(dev_drv->timeline,
2194 dev_drv->timeline_max);
2196 sync_fence_create(fence_name, release_sync_pt[i]);
2197 sync_fence_install(release_fence[i],
2198 win_data->rel_fence_fd[i]);
2200 win_data->rel_fence_fd[i] = -1;
2204 win_data->ret_fence_fd = get_unused_fd();
2205 if (win_data->ret_fence_fd < 0) {
2206 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2207 win_data->ret_fence_fd = -1;
2212 sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2213 retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2214 sync_fence_install(retire_fence, win_data->ret_fence_fd);
2216 for (i = 0; i < RK_MAX_BUF_NUM; i++)
2217 win_data->rel_fence_fd[i] = -1;
2219 win_data->ret_fence_fd = -1;
2221 if (dev_drv->wait_fs == 0) {
2222 mutex_lock(&dev_drv->update_regs_list_lock);
2223 list_add_tail(®s->list, &dev_drv->update_regs_list);
2224 mutex_unlock(&dev_drv->update_regs_list_lock);
2225 queue_kthread_work(&dev_drv->update_regs_worker,
2226 &dev_drv->update_regs_work);
2228 mutex_lock(&dev_drv->update_regs_list_lock);
2229 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2230 list_empty(&dev_drv->saved_list);
2231 mutex_unlock(&dev_drv->update_regs_list_lock);
2232 if (!list_is_empty) {
2233 ret = wait_event_timeout(dev_drv->update_regs_wait,
2234 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2235 msecs_to_jiffies(60));
2237 rk_fb_update_reg(dev_drv, regs);
2239 printk("%s: wait update_regs_wait timeout\n", __func__);
2240 } else if (ret == 0) {
2241 rk_fb_update_reg(dev_drv, regs);
2246 mutex_unlock(&dev_drv->output_lock);
2251 static int cfgdone_distlist[10] = { 0 };
2253 static int cfgdone_index;
2254 static int cfgdone_lasttime;
2256 int rk_get_real_fps(int before)
2258 struct timespec now;
2264 int index = cfgdone_index;
2273 getnstimeofday(&now);
2274 dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2280 for (i = 0; i < 10; i++) {
2283 total += cfgdone_distlist[index];
2285 dist_first = cfgdone_distlist[index];
2286 if (total < (before * 1000)) {
2288 printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2290 dist_total += cfgdone_distlist[index];
2298 printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2300 dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2301 dist_total += dist_curr;
2305 fps = (1000000 * dist_count) / dist_total;
2310 printk("curr2 %d, fps=%d\n", dist_curr, fps);
2314 EXPORT_SYMBOL(rk_get_real_fps);
2317 #ifdef CONFIG_ROCKCHIP_IOMMU
2319 static struct ion_handle *ion_hanle[ION_MAX];
2320 static struct ion_handle *ion_hwc[1];
2322 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2325 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2326 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2327 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2328 struct fb_fix_screeninfo *fix = &info->fix;
2329 struct rk_lcdc_win *win;
2330 int enable; /* enable fb:1 enable;0 disable */
2331 int ovl; /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2332 int num_buf; /* buffer_number */
2334 struct rk_fb_win_cfg_data win_data;
2335 unsigned int dsp_addr[4];
2338 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2340 void __user *argp = (void __user *)arg;
2341 win = dev_drv->win[win_id];
2344 case RK_FBIOSET_HWC_ADDR:
2347 if (copy_from_user(hwc_phy, argp, 4))
2349 #ifdef CONFIG_ROCKCHIP_IOMMU
2350 if (!dev_drv->iommu_enabled) {
2352 fix->smem_start = hwc_phy[0];
2353 #ifdef CONFIG_ROCKCHIP_IOMMU
2356 struct ion_handle *hdl;
2357 ion_phys_addr_t phy_addr;
2360 usr_fd = hwc_phy[0];
2362 fix->smem_start = 0;
2363 fix->mmio_start = 0;
2364 dev_drv->ops->open(dev_drv, win_id, 0);
2368 if (ion_hwc[0] != 0) {
2369 ion_free(rk_fb->ion_client, ion_hwc[0]);
2373 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2375 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2380 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2381 (unsigned long *)&phy_addr,
2382 (unsigned long *)&len);
2384 dev_err(info->dev, "ion map to get hwc phy addr failed");
2385 ion_free(rk_fb->ion_client, hdl);
2388 fix->smem_start = phy_addr;
2394 case RK_FBIOSET_YUV_ADDR:
2398 if (copy_from_user(yuv_phy, argp, 8))
2400 #ifdef CONFIG_ROCKCHIP_IOMMU
2401 if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2403 fix->smem_start = yuv_phy[0];
2404 fix->mmio_start = yuv_phy[1];
2405 #ifdef CONFIG_ROCKCHIP_IOMMU
2407 int usr_fd, offset, tmp;
2408 struct ion_handle *hdl;
2409 ion_phys_addr_t phy_addr;
2412 usr_fd = yuv_phy[0];
2413 offset = yuv_phy[1] - yuv_phy[0];
2415 fix->smem_start = 0;
2416 fix->mmio_start = 0;
2420 if (ion_hanle[ION_MAX - 1] != 0) {
2421 /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2422 /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2423 ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2424 ion_hanle[ION_MAX - 1] = 0;
2427 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2429 dev_err(info->dev, "failed to get ion handle:%ld\n",
2434 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2435 (unsigned long *)&phy_addr,
2436 (unsigned long *)&len);
2438 dev_err(info->dev, "ion map to get phy addr failed");
2439 ion_free(rk_fb->ion_client, hdl);
2442 fix->smem_start = phy_addr;
2443 fix->mmio_start = phy_addr + offset;
2444 fix->smem_len = len;
2445 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2448 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2449 ion_hanle[tmp] = ion_hanle[tmp - 1];
2455 case RK_FBIOSET_ENABLE:
2456 if (copy_from_user(&enable, argp, sizeof(enable)))
2462 dev_drv->ops->open(dev_drv, win_id, enable);
2464 case RK_FBIOGET_ENABLE:
2465 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
2466 if (copy_to_user(argp, &enable, sizeof(enable)))
2469 case RK_FBIOSET_OVERLAY_STA:
2470 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2472 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2474 case RK_FBIOGET_OVERLAY_STA:
2475 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2476 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2479 case RK_FBIOPUT_NUM_BUFFERS:
2480 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2482 dev_drv->num_buf = num_buf;
2484 case RK_FBIOSET_VSYNC_ENABLE:
2485 if (copy_from_user(&enable, argp, sizeof(enable)))
2487 dev_drv->vsync_info.active = enable;
2490 case RK_FBIOGET_DSP_ADDR:
2491 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2492 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2495 case RK_FBIOGET_LIST_STA:
2496 list_stat = rk_fb_get_list_stat(dev_drv);
2497 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2501 case RK_FBIOGET_IOMMU_STA:
2502 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2503 sizeof(dev_drv->iommu_enabled)))
2506 #if defined(CONFIG_ION_ROCKCHIP)
2507 case RK_FBIOSET_DMABUF_FD:
2510 struct ion_handle *hdl;
2511 ion_phys_addr_t phy_addr;
2513 if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2515 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2516 ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2517 fix->smem_start = phy_addr;
2520 case RK_FBIOGET_DMABUF_FD:
2524 if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2526 "get dma_buf fd failed,ion handle is err\n");
2527 return PTR_ERR(fb_par->ion_hdl);
2529 fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2533 "ion_share_dma_buf_fd failed\n");
2536 if (copy_to_user(argp, &fd, sizeof(fd)))
2541 case RK_FBIOSET_CLEAR_FB:
2542 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2544 case RK_FBIOSET_CONFIG_DONE:
2547 struct timespec now;
2549 getnstimeofday(&now);
2550 curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2551 cfgdone_distlist[cfgdone_index++] =
2552 curr - cfgdone_lasttime;
2554 printk("%d ", curr - cfgdone_lasttime);
2556 cfgdone_lasttime = curr;
2557 if (cfgdone_index >= 10)
2560 if (copy_from_user(&win_data,
2561 (struct rk_fb_win_cfg_data __user *)argp,
2562 sizeof(win_data))) {
2567 dev_drv->wait_fs = win_data.wait_fs;
2568 rk_fb_set_win_config(info, &win_data);
2570 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2571 &win_data, sizeof(win_data))) {
2575 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2578 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2585 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2587 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2588 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2589 struct fb_fix_screeninfo *fix = &info->fix;
2591 #if defined(CONFIG_RK_HDMI)
2592 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2595 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2598 #if defined(CONFIG_RK_HDMI)
2599 if ((rk_fb->disp_mode == ONE_DUAL) &&
2600 (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2601 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2605 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2610 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2612 if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2613 (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2614 ((16 != var->bits_per_pixel) &&
2615 (32 != var->bits_per_pixel) &&
2616 (24 != var->bits_per_pixel))) {
2617 dev_err(info->dev, "%s check var fail 1:\n"
2618 "xres_vir:%d>>yres_vir:%d\n"
2619 "xres:%d>>yres:%d\n"
2620 "bits_per_pixel:%d\n",
2624 var->xres, var->yres, var->bits_per_pixel);
2628 if (((var->xoffset + var->xres) > var->xres_virtual) ||
2629 ((var->yoffset + var->yres) > (var->yres_virtual))) {
2630 dev_err(info->dev, "%s check_var fail 2:\n"
2631 "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2632 "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2637 var->yoffset, var->yres, var->yres_virtual);
2644 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2645 size_t count, loff_t *ppos)
2647 unsigned long p = *ppos;
2650 int c, cnt = 0, err = 0;
2651 unsigned long total_size;
2652 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2653 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2654 struct rk_lcdc_win *win = NULL;
2657 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2661 win = dev_drv->win[win_id];
2663 /* only read the current frame buffer */
2664 if (win->area[0].format == RGB565) {
2665 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2666 } else if ((win->area[0].format == YUV420) ||
2667 (win->area[0].format == YUV420_NV21)) {
2669 (win->area[0].y_vir_stride * win->area[0].yact * 6);
2671 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2673 if (p >= total_size)
2676 if (count >= total_size)
2679 if (count + p > total_size)
2680 count = total_size - p;
2682 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2686 src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2689 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2691 fb_memcpy_fromfb(dst, src, c);
2695 if (copy_to_user(buf, buffer, c)) {
2707 return (err) ? err : cnt;
2710 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2711 size_t count, loff_t *ppos)
2713 unsigned long p = *ppos;
2716 int c, cnt = 0, err = 0;
2717 unsigned long total_size;
2718 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2719 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2720 struct rk_lcdc_win *win = NULL;
2723 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2727 win = dev_drv->win[win_id];
2729 /* write the current frame buffer */
2730 if (win->area[0].format == RGB565)
2731 total_size = win->area[0].xact * win->area[0].yact << 1;
2733 total_size = win->area[0].xact * win->area[0].yact << 2;
2738 if (count > total_size) {
2743 if (count + p > total_size) {
2747 count = total_size - p;
2750 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2754 dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2757 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2760 if (copy_from_user(src, buf, c)) {
2765 fb_memcpy_tofb(dst, src, c);
2776 return (cnt) ? cnt : err;
2779 static int rk_fb_set_par(struct fb_info *info)
2781 struct fb_var_screeninfo *var = &info->var;
2782 struct fb_fix_screeninfo *fix = &info->fix;
2783 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2784 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2785 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2786 struct rk_lcdc_win *win = NULL;
2787 struct rk_screen *screen = dev_drv->cur_screen;
2789 u32 cblen = 0, crlen = 0;
2790 u16 xsize = 0, ysize = 0; /* winx display window height/width --->LCDC_WINx_DSP_INFO */
2791 u32 xoffset = var->xoffset; /* offset from virtual to visible */
2792 u32 yoffset = var->yoffset;
2793 u16 xpos = (var->nonstd >> 8) & 0xfff; /*visiable pos in panel */
2794 u16 ypos = (var->nonstd >> 20) & 0xfff;
2795 u32 xvir = var->xres_virtual;
2796 u32 yvir = var->yres_virtual;
2797 u8 data_format = var->nonstd & 0xff;
2801 u32 stride, uv_stride;
2804 u16 uv_x_off, uv_y_off, uv_y_act;
2806 /*var->pixclock = dev_drv->pixclock;*/
2807 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2811 win = dev_drv->win[win_id];
2813 /* if the application has specific the horizontal and vertical display size */
2814 if (var->grayscale >> 8) {
2815 xsize = (var->grayscale >> 8) & 0xfff;
2816 ysize = (var->grayscale >> 20) & 0xfff;
2817 if (xsize > screen->mode.xres)
2818 xsize = screen->mode.xres;
2819 if (ysize > screen->mode.yres)
2820 ysize = screen->mode.yres;
2821 } else { /*ohterwise full screen display */
2822 xsize = screen->mode.xres;
2823 ysize = screen->mode.yres;
2826 fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
2827 if (fb_data_fmt >= FBDC_RGB_565) {
2828 win->area[0].fbdc_en = 1;
2829 win->area[0].fbdc_cor_en = 1;
2831 win->area[0].fbdc_en = 0;
2832 win->area[0].fbdc_cor_en = 0;
2834 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2835 vir_width_bit = pixel_width * xvir;
2836 /* pixel_width = byte_num * 8 */
2837 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
2838 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
2840 switch (fb_data_fmt) {
2844 stride = stride_32bit_1;
2845 uv_stride = stride_32bit_1 >> 1;
2846 uv_x_off = xoffset >> 1;
2848 fix->line_length = stride;
2849 cblen = crlen = (xvir * yvir) >> 1;
2850 uv_y_act = win->area[0].yact >> 1;
2852 case YUV420: /* nv12 */
2853 case YUV420_NV21: /* nv21 */
2856 stride = stride_32bit_1;
2857 uv_stride = stride_32bit_1;
2859 uv_y_off = yoffset >> 1;
2860 fix->line_length = stride;
2861 cblen = crlen = (xvir * yvir) >> 2;
2862 uv_y_act = win->area[0].yact >> 1;
2867 stride = stride_32bit_1;
2868 uv_stride = stride_32bit_2;
2869 uv_x_off = xoffset * 2;
2871 fix->line_length = stride << 2;
2872 cblen = crlen = (xvir * yvir);
2873 uv_y_act = win->area[0].yact;
2876 stride = stride_32bit_1; /* default rgb */
2877 fix->line_length = stride;
2881 win->area[0].format = fb_data_fmt;
2882 win->area[0].y_vir_stride = stride >> 2;
2883 win->area[0].uv_vir_stride = uv_stride >> 2;
2884 win->area[0].xpos = xpos;
2885 win->area[0].ypos = ypos;
2886 win->area[0].xsize = xsize;
2887 win->area[0].ysize = ysize;
2888 win->area[0].xact = var->xres; /* winx active window height,is a wint of vir */
2889 win->area[0].yact = var->yres;
2890 win->area[0].xvir = var->xres_virtual; /* virtual resolution stride --->LCDC_WINx_VIR */
2891 win->area[0].yvir = var->yres_virtual;
2892 win->area[0].xoff = xoffset;
2893 win->area[0].yoff = yoffset;
2896 win->alpha_mode = 4; /* AB_SRC_OVER; */
2897 win->alpha_en = ((win->area[0].format == ARGB888) ||
2898 (win->area[0].format == FBDC_ARGB_888) ||
2899 (win->area[0].format == FBDC_ABGR_888) ||
2900 (win->area[0].format == ABGR888)) ? 1 : 0;
2901 win->g_alpha_val = 0;
2903 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
2904 (win->area[0].format == YUV420 ||
2905 win->area[0].format == YUV420_NV21 ||
2906 win->area[0].format == YUV420_A))
2909 dev_drv->ops->set_par(dev_drv, win_id);
2914 static inline unsigned int chan_to_field(unsigned int chan,
2915 struct fb_bitfield *bf)
2918 chan >>= 16 - bf->length;
2919 return chan << bf->offset;
2922 static int fb_setcolreg(unsigned regno,
2923 unsigned red, unsigned green, unsigned blue,
2924 unsigned transp, struct fb_info *info)
2928 switch (info->fix.visual) {
2929 case FB_VISUAL_TRUECOLOR:
2930 /* true-colour, use pseudo-palette */
2932 u32 *pal = info->pseudo_palette;
2933 val = chan_to_field(red, &info->var.red);
2934 val |= chan_to_field(green, &info->var.green);
2935 val |= chan_to_field(blue, &info->var.blue);
2940 return -1; /* unknown type */
2946 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
2948 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2949 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2950 struct ion_handle *handle = fb_par->ion_hdl;
2951 struct dma_buf *dma_buf = NULL;
2953 if (IS_ERR_OR_NULL(handle)) {
2954 dev_err(info->dev, "failed to get ion handle:%ld\n",
2958 dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
2959 if (IS_ERR_OR_NULL(dma_buf)) {
2960 printk("get ion share dma buf failed\n");
2964 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
2966 return dma_buf_mmap(dma_buf, vma, 0);
2969 static struct fb_ops fb_ops = {
2970 .owner = THIS_MODULE,
2971 .fb_open = rk_fb_open,
2972 .fb_release = rk_fb_close,
2973 .fb_check_var = rk_fb_check_var,
2974 .fb_set_par = rk_fb_set_par,
2975 .fb_blank = rk_fb_blank,
2976 .fb_ioctl = rk_fb_ioctl,
2977 .fb_compat_ioctl = rk_fb_ioctl,
2978 .fb_pan_display = rk_fb_pan_display,
2979 .fb_read = rk_fb_read,
2980 .fb_write = rk_fb_write,
2981 .fb_setcolreg = fb_setcolreg,
2982 .fb_fillrect = cfb_fillrect,
2983 .fb_copyarea = cfb_copyarea,
2984 .fb_imageblit = cfb_imageblit,
2987 static struct fb_var_screeninfo def_var = {
2988 #if defined(CONFIG_LOGO_LINUX_BMP)
2992 .transp = {0, 0, 0},
2993 .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
2998 .transp = {0, 0, 0},
2999 .nonstd = HAL_PIXEL_FORMAT_RGB_565, /* (ypos<<20+xpos<<8+format) format */
3001 .grayscale = 0, /* (ysize<<20+xsize<<8) */
3002 .activate = FB_ACTIVATE_NOW,
3004 .vmode = FB_VMODE_NONINTERLACED,
3007 static struct fb_fix_screeninfo def_fix = {
3008 .type = FB_TYPE_PACKED_PIXELS,
3013 .accel = FB_ACCEL_NONE,
3014 .visual = FB_VISUAL_TRUECOLOR,
3018 static int rk_fb_wait_for_vsync_thread(void *data)
3020 struct rk_lcdc_driver *dev_drv = data;
3021 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3022 struct fb_info *fbi = rk_fb->fb[0];
3024 while (!kthread_should_stop()) {
3025 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3026 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3027 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3028 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3031 sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3037 static ssize_t rk_fb_vsync_show(struct device *dev,
3038 struct device_attribute *attr, char *buf)
3040 struct fb_info *fbi = dev_get_drvdata(dev);
3041 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3042 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3043 return scnprintf(buf, PAGE_SIZE, "%llu\n",
3044 ktime_to_ns(dev_drv->vsync_info.timestamp));
3047 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3050 * this two function is for other module that in the kernel which
3051 * need show image directly through fb
3052 * fb_id:we have 4 fb here,default we use fb0 for ui display
3054 struct fb_info *rk_get_fb(int fb_id)
3056 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3057 struct fb_info *fb = inf->fb[fb_id];
3060 EXPORT_SYMBOL(rk_get_fb);
3062 void rk_direct_fb_show(struct fb_info *fbi)
3065 rk_fb_pan_display(&fbi->var, fbi);
3067 EXPORT_SYMBOL(rk_direct_fb_show);
3069 int rk_fb_dpi_open(bool open)
3071 struct rk_lcdc_driver *dev_drv = NULL;
3072 dev_drv = rk_get_prmry_lcdc_drv();
3074 if (dev_drv->ops->dpi_open)
3075 dev_drv->ops->dpi_open(dev_drv, open);
3079 int rk_fb_dpi_win_sel(int win_id)
3081 struct rk_lcdc_driver *dev_drv = NULL;
3082 dev_drv = rk_get_prmry_lcdc_drv();
3084 if (dev_drv->ops->dpi_win_sel)
3085 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3089 int rk_fb_dpi_status(void)
3092 struct rk_lcdc_driver *dev_drv = NULL;
3094 dev_drv = rk_get_prmry_lcdc_drv();
3095 if (dev_drv->ops->dpi_status)
3096 ret = dev_drv->ops->dpi_status(dev_drv);
3102 * function: this function will be called by display device, enable/disable lcdc
3103 * @screen: screen timing to be set to lcdc
3104 * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3105 * @lcdc_id: the lcdc id the display device attached ,0 or 1
3107 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3109 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3110 struct fb_info *info = NULL;
3111 struct rk_fb_par *fb_par = NULL;
3112 struct rk_lcdc_driver *dev_drv = NULL;
3114 int i, win_id, load_screen = 0;
3116 if (unlikely(!rk_fb) || unlikely(!screen))
3119 hdmi_switch_complete = 0;
3120 /* get lcdc driver */
3121 sprintf(name, "lcdc%d", lcdc_id);
3122 if (rk_fb->disp_mode != DUAL)
3123 dev_drv = rk_fb->lcdc_dev_drv[0];
3125 dev_drv = rk_get_lcdc_drv(name);
3127 if (dev_drv == NULL) {
3128 printk(KERN_ERR "%s driver not found!", name);
3131 if (screen->type == SCREEN_HDMI)
3132 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3134 else if (screen->type == SCREEN_TVOUT ||
3135 screen->type == SCREEN_TVOUT_TEST )
3136 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3138 if (enable == 2 /*&& dev_drv->enable*/)
3141 if ((rk_fb->disp_mode == ONE_DUAL) ||
3142 (rk_fb->disp_mode == NO_DUAL)) {
3143 if ((dev_drv->ops->backlight_close) &&
3144 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3145 dev_drv->ops->backlight_close(dev_drv, 1);
3146 if (dev_drv->ops->dsp_black)
3147 dev_drv->ops->dsp_black(dev_drv, 1);
3148 if ((dev_drv->ops->set_screen_scaler) &&
3149 (rk_fb->disp_mode == ONE_DUAL))
3150 dev_drv->ops->set_screen_scaler(dev_drv,
3151 dev_drv->screen0, 0);
3153 if (dev_drv->uboot_logo && (screen->type != dev_drv->cur_screen->type))
3154 dev_drv->uboot_logo = 0;
3156 /* if screen type is different, we do not disable lcdc. */
3157 if (dev_drv->cur_screen->type != screen->type)
3160 /* if used one lcdc to dual disp, no need to close win */
3161 if ((rk_fb->disp_mode == ONE_DUAL) ||
3162 (rk_fb->disp_mode == NO_DUAL)) {
3163 dev_drv->cur_screen = dev_drv->screen0;
3164 dev_drv->ops->load_screen(dev_drv, 1);
3166 /* force modify dsp size */
3167 info = rk_fb->fb[dev_drv->fb_index_base];
3168 info->var.grayscale &= 0xff;
3169 info->var.grayscale |=
3170 (dev_drv->cur_screen->mode.xres << 8) +
3171 (dev_drv->cur_screen->mode.yres << 20);
3172 mutex_lock(&dev_drv->win_config);
3173 info->fbops->fb_set_par(info);
3174 info->fbops->fb_pan_display(&info->var, info);
3175 mutex_unlock(&dev_drv->win_config);
3177 if (dev_drv->ops->dsp_black)
3178 dev_drv->ops->dsp_black(dev_drv, 0);
3179 if ((dev_drv->ops->backlight_close) &&
3180 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3181 dev_drv->ops->backlight_close(dev_drv, 0);
3182 } else if (rk_fb->num_lcdc > 1) {
3183 /* If there is more than one lcdc device, we disable
3184 the layer which attached to this device */
3185 dev_drv->suspend_flag = 1;
3186 flush_kthread_worker(&dev_drv->update_regs_worker);
3187 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3188 if (dev_drv->win[i] && dev_drv->win[i]->state)
3189 dev_drv->ops->open(dev_drv, i, 0);
3193 hdmi_switch_complete = 0;
3196 if (dev_drv->screen1)
3197 dev_drv->cur_screen = dev_drv->screen1;
3199 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3200 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3201 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3202 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3203 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3205 if ((!dev_drv->uboot_logo) ||
3206 (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3207 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3208 info = rk_fb->fb[dev_drv->fb_index_base + i];
3209 fb_par = (struct rk_fb_par *)info->par;
3210 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3211 if (dev_drv->win[win_id]) {
3212 if (fb_par->state) {
3213 if (!dev_drv->win[win_id]->state) {
3214 dev_drv->ops->open(dev_drv, win_id, 1);
3215 dev_drv->suspend_flag = 0;
3218 dev_drv->ops->load_screen(dev_drv, 1);
3221 info->var.activate |= FB_ACTIVATE_FORCE;
3222 if (rk_fb->disp_mode == ONE_DUAL) {
3223 info->var.grayscale &= 0xff;
3224 info->var.grayscale |=
3225 (dev_drv->cur_screen->xsize << 8) +
3226 (dev_drv->cur_screen->ysize << 20);
3229 mutex_lock(&dev_drv->win_config);
3230 info->fbops->fb_set_par(info);
3231 info->fbops->fb_pan_display(&info->var, info);
3232 mutex_unlock(&dev_drv->win_config);
3237 dev_drv->uboot_logo = 0;
3239 hdmi_switch_complete = 1;
3240 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3241 if ((dev_drv->ops->set_screen_scaler) &&
3242 (rk_fb->disp_mode == ONE_DUAL))
3243 dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3244 if (dev_drv->ops->dsp_black)
3245 dev_drv->ops->dsp_black(dev_drv, 0);
3246 if ((dev_drv->ops->backlight_close) &&
3247 (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3248 (rk_fb->disp_mode == ONE_DUAL))
3249 dev_drv->ops->backlight_close(dev_drv, 0);
3255 * function:this function current only called by hdmi for
3257 * scale_x: scale rate of x resolution
3258 * scale_y: scale rate of y resolution
3259 * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3261 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3263 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3264 struct fb_info *info = NULL;
3265 struct fb_info *pmy_info = NULL;
3266 struct fb_var_screeninfo *var = NULL;
3267 struct rk_lcdc_driver *dev_drv = NULL;
3268 u16 screen_x, screen_y;
3271 struct rk_screen primary_screen;
3272 rk_fb_get_prmry_screen(&primary_screen);
3273 if (primary_screen.type == SCREEN_HDMI) {
3277 sprintf(name, "lcdc%d", lcdc_id);
3279 if (inf->disp_mode == DUAL) {
3280 dev_drv = rk_get_lcdc_drv(name);
3281 if (dev_drv == NULL) {
3282 printk(KERN_ERR "%s driver not found!", name);
3286 dev_drv = inf->lcdc_dev_drv[0];
3289 if (inf->num_lcdc == 1) {
3291 } else if (inf->num_lcdc == 2) {
3292 info = inf->fb[dev_drv->lcdc_win_num];
3293 pmy_info = inf->fb[0];
3297 screen_x = dev_drv->cur_screen->mode.xres;
3298 screen_y = dev_drv->cur_screen->mode.yres;
3300 if (inf->disp_mode != DUAL && dev_drv->screen1) {
3301 dev_drv->cur_screen->xpos =
3302 (screen_x - screen_x * scale_x / 100) >> 1;
3303 dev_drv->cur_screen->ypos =
3304 (screen_y - screen_y * scale_y / 100) >> 1;
3305 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3306 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3308 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3309 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3310 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3311 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3312 if (inf->disp_mode == ONE_DUAL) {
3313 var->nonstd &= 0xff;
3314 var->nonstd |= (xpos << 8) + (ypos << 20);
3315 var->grayscale &= 0xff;
3317 (dev_drv->cur_screen->xsize << 8) +
3318 (dev_drv->cur_screen->ysize << 20);
3322 mutex_lock(&dev_drv->win_config);
3323 info->fbops->fb_set_par(info);
3324 dev_drv->ops->cfg_done(dev_drv);
3325 mutex_unlock(&dev_drv->win_config);
3330 #if defined(CONFIG_ION_ROCKCHIP)
3331 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3332 struct rk_lcdc_win *win,
3333 unsigned long fb_mem_size)
3335 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3336 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3337 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3338 struct ion_handle *handle;
3339 ion_phys_addr_t phy_addr;
3343 if (dev_drv->iommu_enabled)
3344 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3345 ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3347 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3348 ION_HEAP(ION_CMA_HEAP_ID), 0);
3349 if (IS_ERR(handle)) {
3350 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3355 fb_par->ion_hdl = handle;
3356 win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3357 if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3358 printk("ion_share_dma_buf() failed\n");
3359 goto err_share_dma_buf;
3361 win->area[0].ion_hdl = handle;
3362 if (dev_drv->prop == PRMRY)
3363 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3364 #ifdef CONFIG_ROCKCHIP_IOMMU
3365 if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3366 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3367 (unsigned long *)&phy_addr,
3368 (unsigned long *)&len);
3370 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3372 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3375 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3376 goto err_share_dma_buf;
3378 fbi->fix.smem_start = phy_addr;
3379 fbi->fix.smem_len = len;
3380 printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3384 ion_free(rk_fb->ion_client, handle);
3389 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3391 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3392 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3393 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3394 struct rk_lcdc_win *win = NULL;
3397 unsigned long fb_mem_size;
3398 #if !defined(CONFIG_ION_ROCKCHIP)
3399 dma_addr_t fb_mem_phys;
3403 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3407 win = dev_drv->win[win_id];
3409 if (!strcmp(fbi->fix.id, "fb0")) {
3410 fb_mem_size = get_fb_size();
3411 #if defined(CONFIG_ION_ROCKCHIP)
3412 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3415 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3416 &fb_mem_phys, GFP_KERNEL);
3418 pr_err("%s: Failed to allocate framebuffer\n",
3422 fbi->fix.smem_len = fb_mem_size;
3423 fbi->fix.smem_start = fb_mem_phys;
3424 fbi->screen_base = fb_mem_virt;
3426 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3428 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3429 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3430 fbi->screen_base = rk_fb->fb[0]->screen_base;
3433 fbi->screen_size = fbi->fix.smem_len;
3434 fb_par->fb_phy_base = fbi->fix.smem_start;
3435 fb_par->fb_virt_base = fbi->screen_base;
3436 fb_par->fb_size = fbi->fix.smem_len;
3438 pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3439 fbi->fix.smem_start, fbi->screen_base,
3445 static int rk_release_fb_buffer(struct fb_info *fbi)
3447 /* buffer for fb1 and fb3 are alloc by android */
3448 if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3450 iounmap(fbi->screen_base);
3451 release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3456 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3457 struct rk_lcdc_win *def_win)
3460 int lcdc_win_num = dev_drv->lcdc_win_num;
3462 for (i = 0; i < lcdc_win_num; i++) {
3463 struct rk_lcdc_win *win = NULL;
3464 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3466 dev_err(dev_drv->dev, "kzmalloc for win fail!");
3470 strcpy(win->name, def_win[i].name);
3471 win->id = def_win[i].id;
3472 win->support_3d = def_win[i].support_3d;
3473 dev_drv->win[i] = win;
3479 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3480 struct rk_lcdc_win *def_win, int index)
3482 struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3483 struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3484 sizeof(struct rk_screen),
3488 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3493 screen->screen_id = 0;
3494 screen->lcdc_id = dev_drv->id;
3495 screen->overscan.left = 100;
3496 screen->overscan.top = 100;
3497 screen->overscan.right = 100;
3498 screen->overscan.bottom = 100;
3500 screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3501 screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3503 dev_drv->screen0 = screen;
3504 dev_drv->cur_screen = screen;
3505 /* devie use one lcdc + rk61x scaler for dual display */
3506 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3507 struct rk_screen *screen1 =
3508 devm_kzalloc(dev_drv->dev,
3509 sizeof(struct rk_screen),
3512 dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3516 screen1->screen_id = 1;
3517 screen1->lcdc_id = 1;
3518 dev_drv->screen1 = screen1;
3520 sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3521 init_lcdc_win(dev_drv, def_win);
3522 init_completion(&dev_drv->frame_done);
3523 spin_lock_init(&dev_drv->cpl_lock);
3524 mutex_init(&dev_drv->fb_win_id_mutex);
3525 mutex_init(&dev_drv->win_config);
3526 mutex_init(&dev_drv->front_lock);
3527 dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3528 dev_drv->first_frame = 1;
3529 dev_drv->overscan.left = 100;
3530 dev_drv->overscan.top = 100;
3531 dev_drv->overscan.right = 100;
3532 dev_drv->overscan.bottom = 100;
3533 rk_disp_pwr_ctr_parse_dt(dev_drv);
3534 if (dev_drv->prop == PRMRY) {
3535 if (dev_drv->ops->set_dsp_cabc)
3536 dev_drv->ops->set_dsp_cabc(dev_drv, dev_drv->cabc_mode);
3537 rk_fb_set_prmry_screen(screen);
3538 rk_fb_get_prmry_screen(screen);
3540 dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3541 if (dev_drv->prop != PRMRY)
3542 rk_fb_get_prmry_screen(screen);
3543 dev_drv->output_color = screen->color_mode;
3548 #ifdef CONFIG_LOGO_LINUX_BMP
3549 static struct linux_logo *bmp_logo;
3550 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3552 bmp_logo = fb_find_logo(24);
3553 if (bmp_logo == NULL) {
3554 printk(KERN_INFO "%s error\n", __func__);
3560 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3562 unsigned char *src = bmp_logo->data;
3563 unsigned char *dst = info->screen_base;
3565 unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3566 unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3568 for (i = 0; i < Needheight; i++)
3569 memcpy(dst + info->var.xres * i * 4,
3570 src + bmp_logo->width * i * 4, Needwidth * 4);
3575 * check if the primary lcdc has registerd,
3576 * the primary lcdc mas register first
3578 bool is_prmry_rk_lcdc_registered(void)
3580 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3582 if (rk_fb->lcdc_dev_drv[0])
3588 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3589 struct rk_lcdc_win *win, int id)
3591 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3592 struct fb_info *fbi;
3593 struct rk_fb_par *fb_par = NULL;
3594 int i = 0, ret = 0, index = 0;
3596 if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3599 for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3600 if (!rk_fb->lcdc_dev_drv[i]) {
3601 rk_fb->lcdc_dev_drv[i] = dev_drv;
3602 rk_fb->lcdc_dev_drv[i]->id = id;
3609 init_lcdc_device_driver(rk_fb, win, index);
3610 dev_drv->fb_index_base = rk_fb->num_fb;
3611 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3612 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3614 dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3617 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
3620 dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
3624 fb_par->id = rk_fb->num_fb;
3625 fb_par->lcdc_drv = dev_drv;
3626 fbi->par = (void *)fb_par;
3629 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3630 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3631 fbi->var.grayscale |=
3632 (fbi->var.xres << 8) + (fbi->var.yres << 20);
3633 #if defined(CONFIG_LOGO_LINUX_BMP)
3634 fbi->var.bits_per_pixel = 32;
3636 fbi->var.bits_per_pixel = 16;
3638 fbi->fix.line_length =
3639 (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3640 fbi->var.width = dev_drv->cur_screen->width;
3641 fbi->var.height = dev_drv->cur_screen->height;
3642 if (dev_drv->iommu_enabled)
3643 fb_ops.fb_mmap = rk_fb_mmap;
3644 fbi->fbops = &fb_ops;
3645 fbi->flags = FBINFO_FLAG_DEFAULT;
3646 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3647 ret = register_framebuffer(fbi);
3649 dev_err(&fb_pdev->dev,
3650 "%s fb%d register_framebuffer fail!\n",
3651 __func__, rk_fb->num_fb);
3654 rkfb_create_sysfs(fbi);
3655 rk_fb->fb[rk_fb->num_fb] = fbi;
3656 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3661 init_waitqueue_head(&dev_drv->vsync_info.wait);
3662 init_waitqueue_head(&dev_drv->update_regs_wait);
3663 ret = device_create_file(fbi->dev, &dev_attr_vsync);
3666 "failed to create vsync file\n");
3667 dev_drv->vsync_info.thread =
3668 kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3670 if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3672 "failed to run vsync thread\n");
3673 dev_drv->vsync_info.thread = NULL;
3675 dev_drv->vsync_info.active = 1;
3677 mutex_init(&dev_drv->output_lock);
3679 INIT_LIST_HEAD(&dev_drv->update_regs_list);
3680 mutex_init(&dev_drv->update_regs_list_lock);
3681 init_kthread_worker(&dev_drv->update_regs_worker);
3683 dev_drv->update_regs_thread =
3684 kthread_run(kthread_worker_fn,
3685 &dev_drv->update_regs_worker, "rk-fb");
3686 if (IS_ERR(dev_drv->update_regs_thread)) {
3687 int err = PTR_ERR(dev_drv->update_regs_thread);
3688 dev_drv->update_regs_thread = NULL;
3690 printk("failed to run update_regs thread\n");
3693 init_kthread_work(&dev_drv->update_regs_work,
3694 rk_fb_update_regs_handler);
3697 sw_sync_timeline_create("fb-timeline");
3698 dev_drv->timeline_max = 1;
3702 /* show logo for primary display device */
3703 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
3704 if (dev_drv->prop == PRMRY) {
3708 struct fb_info *main_fbi = rk_fb->fb[0];
3709 main_fbi->fbops->fb_open(main_fbi, 1);
3710 main_fbi->var.pixclock = dev_drv->pixclock;
3711 #if defined(CONFIG_ROCKCHIP_IOMMU)
3712 if (dev_drv->iommu_enabled) {
3713 if (dev_drv->mmu_dev)
3714 rockchip_iovmm_set_fault_handler(dev_drv->dev,
3715 rk_fb_sysmmu_fault_handler);
3719 rk_fb_alloc_buffer(main_fbi); /* only alloc memory for main fb */
3720 dev_drv->uboot_logo = support_uboot_display();
3722 if (dev_drv->uboot_logo &&
3723 uboot_logo_offset && uboot_logo_base) {
3724 int width, height, bits;
3725 phys_addr_t start = uboot_logo_base + uboot_logo_offset;
3726 unsigned int size = uboot_logo_size - uboot_logo_offset;
3727 unsigned int nr_pages;
3728 struct page **pages;
3732 if (dev_drv->ops->get_dspbuf_info)
3733 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3734 &yact, &format, &dsp_addr);
3735 nr_pages = size >> PAGE_SHIFT;
3736 pages = kzalloc(sizeof(struct page) * nr_pages,
3738 while (i < nr_pages) {
3739 pages[i] = phys_to_page(start);
3743 vaddr = vmap(pages, nr_pages, VM_MAP,
3744 pgprot_writecombine(PAGE_KERNEL));
3746 pr_err("failed to vmap phy addr 0x%lx\n",
3747 (long)(uboot_logo_base +
3748 uboot_logo_offset));
3752 if(bmpdecoder(vaddr, main_fbi->screen_base, &width,
3760 if (dev_drv->uboot_logo &&
3761 (width != xact || height != yact)) {
3762 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
3763 xact, yact, width, height);
3767 if (dev_drv->ops->post_dspbuf) {
3768 dev_drv->ops->post_dspbuf(dev_drv,
3769 main_fbi->fix.smem_start,
3770 rk_fb_data_fmt(0, bits),
3771 width, height, width * bits >> 5);
3773 if (dev_drv->iommu_enabled) {
3774 rk_fb_poll_wait_frame_complete();
3775 if (dev_drv->ops->mmu_en)
3776 dev_drv->ops->mmu_en(dev_drv);
3781 } else if (dev_drv->uboot_logo && uboot_logo_base) {
3782 u32 start = uboot_logo_base;
3784 unsigned int nr_pages;
3785 struct page **pages;
3788 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3791 logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
3792 if (logo_len > uboot_logo_size ||
3793 logo_len > main_fbi->fix.smem_len) {
3794 pr_err("logo size > uboot reserve buffer size\n");
3798 nr_pages = uboot_logo_size >> PAGE_SHIFT;
3799 pages = kzalloc(sizeof(struct page) * nr_pages,
3801 while (i < nr_pages) {
3802 pages[i] = phys_to_page(start);
3806 vaddr = vmap(pages, nr_pages, VM_MAP,
3807 pgprot_writecombine(PAGE_KERNEL));
3809 pr_err("failed to vmap phy addr 0x%llx\n",
3814 memcpy(main_fbi->screen_base, vaddr, logo_len);
3819 dev_drv->ops->post_dspbuf(dev_drv,
3820 main_fbi->fix.smem_start,
3822 xact * rk_fb_pixel_width(format) >> 5);
3823 if (dev_drv->iommu_enabled) {
3824 rk_fb_poll_wait_frame_complete();
3825 if (dev_drv->ops->mmu_en)
3826 dev_drv->ops->mmu_en(dev_drv);
3831 if (dev_drv->iommu_enabled) {
3832 if (dev_drv->ops->mmu_en)
3833 dev_drv->ops->mmu_en(dev_drv);
3837 #if defined(CONFIG_LOGO)
3838 main_fbi->fbops->fb_set_par(main_fbi);
3839 #if defined(CONFIG_LOGO_LINUX_BMP)
3840 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
3841 fb_set_cmap(&main_fbi->cmap, main_fbi);
3842 fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
3845 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
3846 fb_set_cmap(&main_fbi->cmap, main_fbi);
3847 fb_show_logo(main_fbi, FB_ROTATE_UR);
3850 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
3853 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
3854 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
3855 rk_fb_alloc_buffer(extend_fbi);
3861 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
3863 struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
3864 struct fb_info *fbi;
3865 int fb_index_base = dev_drv->fb_index_base;
3866 int fb_num = dev_drv->lcdc_win_num;
3869 if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
3870 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
3871 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
3874 for (i = 0; i < fb_num; i++)
3875 kfree(dev_drv->win[i]);
3877 for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
3878 fbi = fb_inf->fb[i];
3879 unregister_framebuffer(fbi);
3880 /* rk_release_fb_buffer(fbi); */
3881 framebuffer_release(fbi);
3883 fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
3889 static int rk_fb_probe(struct platform_device *pdev)
3891 struct rk_fb *rk_fb = NULL;
3892 struct device_node *np = pdev->dev.of_node;
3896 dev_err(&pdev->dev, "Missing device tree node.\n");
3900 rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
3902 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
3905 platform_set_drvdata(pdev, rk_fb);
3907 if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
3908 rk_fb->disp_mode = mode;
3911 dev_err(&pdev->dev, "no disp-mode node found!");
3915 if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
3916 rk_fb->disp_policy = mode;
3917 pr_info("fb disp policy is %s\n", rk_fb->disp_policy ? "box":"sdk");
3920 if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
3921 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
3923 dev_set_name(&pdev->dev, "rockchip-fb");
3924 #if defined(CONFIG_ION_ROCKCHIP)
3925 rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
3926 if (IS_ERR(rk_fb->ion_client)) {
3927 dev_err(&pdev->dev, "failed to create ion client for rk fb");
3928 return PTR_ERR(rk_fb->ion_client);
3930 dev_info(&pdev->dev, "rk fb ion client create success!\n");
3935 dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
3939 static int rk_fb_remove(struct platform_device *pdev)
3941 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3944 platform_set_drvdata(pdev, NULL);
3948 static void rk_fb_shutdown(struct platform_device *pdev)
3950 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3953 for (i = 0; i < rk_fb->num_lcdc; i++) {
3954 if (!rk_fb->lcdc_dev_drv[i])
3959 static const struct of_device_id rkfb_dt_ids[] = {
3960 {.compatible = "rockchip,rk-fb",},
3964 static struct platform_driver rk_fb_driver = {
3965 .probe = rk_fb_probe,
3966 .remove = rk_fb_remove,
3969 .owner = THIS_MODULE,
3970 .of_match_table = of_match_ptr(rkfb_dt_ids),
3972 .shutdown = rk_fb_shutdown,
3975 static int __init rk_fb_init(void)
3977 return platform_driver_register(&rk_fb_driver);
3980 static void __exit rk_fb_exit(void)
3982 platform_driver_unregister(&rk_fb_driver);
3985 fs_initcall(rk_fb_init);
3986 module_exit(rk_fb_exit);