2 * drivers/video/rockchip/rk_fb.c
4 * Copyright (C) ROCKCHIP, Inc.
5 * Author:yxj<yxj@rock-chips.com>
6 * This software is licensed under the terms of the GNU General Public
7 * License version 2, as published by the Free Software Foundation, and
8 * may be copied, distributed, and modified under those terms.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
16 #include <linux/module.h>
17 #include <linux/kernel.h>
18 #include <linux/errno.h>
19 #include <linux/string.h>
21 #include <linux/slab.h>
22 #include <linux/delay.h>
23 #include <linux/device.h>
24 #include <linux/kthread.h>
26 #include <linux/init.h>
27 #include <linux/vmalloc.h>
28 #include <asm/div64.h>
29 #include <linux/uaccess.h>
30 #include <linux/rk_fb.h>
31 #include <linux/linux_logo.h>
32 #include <linux/dma-mapping.h>
33 #include <linux/regulator/consumer.h>
35 #include "bmp_helper.h"
37 #if defined(CONFIG_RK_HDMI)
38 #include "hdmi/rockchip-hdmi.h"
41 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
47 #include <linux/of_platform.h>
48 #include <linux/of_gpio.h>
49 #include <video/of_display_timing.h>
50 #include <video/display_timing.h>
51 #include <dt-bindings/rkfb/rk_fb.h>
54 #if defined(CONFIG_ION_ROCKCHIP)
55 #include <linux/rockchip_ion.h>
56 #include <linux/rockchip-iovmm.h>
57 #include <linux/dma-buf.h>
58 #include <linux/highmem.h>
62 /* #define FB_ROATE_BY_KERNEL 1 */
64 static int hdmi_switch_state;
65 static struct platform_device *fb_pdev;
67 #if defined(CONFIG_FB_MIRRORING)
68 int (*video_data_to_mirroring) (struct fb_info *info, u32 yuv_phy[2]);
69 EXPORT_SYMBOL(video_data_to_mirroring);
72 extern phys_addr_t uboot_logo_base;
73 extern phys_addr_t uboot_logo_size;
74 extern phys_addr_t uboot_logo_offset;
75 static struct rk_fb_trsm_ops *trsm_lvds_ops;
76 static struct rk_fb_trsm_ops *trsm_edp_ops;
77 static struct rk_fb_trsm_ops *trsm_mipi_ops;
78 static int uboot_logo_on;
79 int support_uboot_display(void)
84 int rk_fb_get_display_policy(void)
89 rk_fb = platform_get_drvdata(fb_pdev);
90 return rk_fb->disp_policy;
92 return DISPLAY_POLICY_SDK;
96 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
101 case SCREEN_DUAL_LVDS:
102 case SCREEN_LVDS_10BIT:
103 case SCREEN_DUAL_LVDS_10BIT:
110 case SCREEN_DUAL_MIPI:
114 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
121 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
123 struct rk_fb_trsm_ops *ops;
127 case SCREEN_DUAL_LVDS:
128 case SCREEN_LVDS_10BIT:
129 case SCREEN_DUAL_LVDS_10BIT:
136 case SCREEN_DUAL_MIPI:
141 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
148 int rk_fb_pixel_width(int data_format)
151 switch (data_format) {
179 printk(KERN_WARNING "%s:un supported format:0x%x\n",
180 __func__, data_format);
186 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
190 switch (data_format) {
191 case HAL_PIXEL_FORMAT_RGBX_8888:
192 fb_data_fmt = XBGR888;
194 case HAL_PIXEL_FORMAT_RGBA_8888:
195 fb_data_fmt = ABGR888;
197 case HAL_PIXEL_FORMAT_BGRA_8888:
198 fb_data_fmt = ARGB888;
200 case HAL_PIXEL_FORMAT_RGB_888:
201 fb_data_fmt = RGB888;
203 case HAL_PIXEL_FORMAT_RGB_565:
204 fb_data_fmt = RGB565;
206 case HAL_PIXEL_FORMAT_YCbCr_422_SP: /* yuv422 */
207 fb_data_fmt = YUV422;
209 case HAL_PIXEL_FORMAT_YCrCb_420_SP: /* YUV420---vuvuvu */
210 fb_data_fmt = YUV420_NV21;
212 case HAL_PIXEL_FORMAT_YCrCb_NV12: /* YUV420---uvuvuv */
213 fb_data_fmt = YUV420;
215 case HAL_PIXEL_FORMAT_YCrCb_444: /* yuv444 */
216 fb_data_fmt = YUV444;
218 case HAL_PIXEL_FORMAT_YCrCb_NV12_10: /* yuv444 */
219 fb_data_fmt = YUV420_A;
221 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10: /* yuv444 */
222 fb_data_fmt = YUV422_A;
224 case HAL_PIXEL_FORMAT_YCrCb_420_SP_10: /* yuv444 */
225 fb_data_fmt = YUV444_A;
227 case HAL_PIXEL_FORMAT_FBDC_RGB565: /* fbdc rgb565*/
228 fb_data_fmt = FBDC_RGB_565;
230 case HAL_PIXEL_FORMAT_FBDC_U8U8U8U8: /* fbdc argb888 */
231 fb_data_fmt = FBDC_ARGB_888;
233 case HAL_PIXEL_FORMAT_FBDC_RGBA888: /* fbdc abgr888 */
234 fb_data_fmt = FBDC_ABGR_888;
236 case HAL_PIXEL_FORMAT_FBDC_U8U8U8: /* fbdc rgb888 */
237 fb_data_fmt = FBDC_RGBX_888;
240 printk(KERN_WARNING "%s:un supported format:0x%x\n",
241 __func__, data_format);
245 switch (bits_per_pixel) {
247 fb_data_fmt = ARGB888;
250 fb_data_fmt = RGB888;
253 fb_data_fmt = RGB565;
257 "%s:un supported bits_per_pixel:%d\n", __func__,
266 * rk display power control parse from dts
268 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
270 struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
272 struct device_node *child;
273 struct rk_disp_pwr_ctr_list *pwr_ctr;
274 struct list_head *pos;
275 enum of_gpio_flags flags;
280 INIT_LIST_HEAD(&dev_drv->pwrlist_head);
282 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
287 for_each_child_of_node(root, child) {
288 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
290 strcpy(pwr_ctr->pwr_ctr.name, child->name);
291 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
293 pwr_ctr->pwr_ctr.type = GPIO;
294 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
295 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
296 dev_err(dev_drv->dev, "%s ivalid gpio\n",
300 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
301 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
304 dev_err(dev_drv->dev,
305 "request %s gpio fail:%d\n",
310 pwr_ctr->pwr_ctr.type = REGULATOR;
311 pwr_ctr->pwr_ctr.rgl_name = NULL;
312 ret = of_property_read_string(child, "rockchip,regulator_name",
313 &(pwr_ctr->pwr_ctr.rgl_name));
314 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
315 dev_err(dev_drv->dev, "get regulator name failed!\n");
316 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
317 pwr_ctr->pwr_ctr.volt = val;
319 pwr_ctr->pwr_ctr.volt = 0;
323 if (!of_property_read_u32(child, "rockchip,delay", &val))
324 pwr_ctr->pwr_ctr.delay = val;
326 pwr_ctr->pwr_ctr.delay = 0;
327 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
330 of_property_read_u32(root, "rockchip,debug", &debug);
333 list_for_each(pos, &dev_drv->pwrlist_head) {
334 pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
336 printk(KERN_INFO "pwr_ctr_name:%s\n"
341 pwr_ctr->pwr_ctr.name,
342 (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
343 pwr_ctr->pwr_ctr.gpio,
344 pwr_ctr->pwr_ctr.atv_val,
345 pwr_ctr->pwr_ctr.delay);
353 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
355 struct list_head *pos;
356 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
357 struct pwr_ctr *pwr_ctr;
358 struct regulator *regulator_lcd = NULL;
361 if (list_empty(&dev_drv->pwrlist_head))
363 list_for_each(pos, &dev_drv->pwrlist_head) {
364 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
366 pwr_ctr = &pwr_ctr_list->pwr_ctr;
367 if (pwr_ctr->type == GPIO) {
368 gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
369 mdelay(pwr_ctr->delay);
370 } else if (pwr_ctr->type == REGULATOR) {
371 if (pwr_ctr->rgl_name)
372 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
373 if (regulator_lcd == NULL) {
374 dev_err(dev_drv->dev,
375 "%s: regulator get failed,regulator name:%s\n",
376 __func__, pwr_ctr->rgl_name);
379 regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
380 while (!regulator_is_enabled(regulator_lcd)) {
381 if (regulator_enable(regulator_lcd) == 0 || count == 0)
384 dev_err(dev_drv->dev,
385 "regulator_enable failed,count=%d\n",
389 regulator_put(regulator_lcd);
390 msleep(pwr_ctr->delay);
397 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
399 struct list_head *pos;
400 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
401 struct pwr_ctr *pwr_ctr;
402 struct regulator *regulator_lcd = NULL;
405 if (list_empty(&dev_drv->pwrlist_head))
407 list_for_each(pos, &dev_drv->pwrlist_head) {
408 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
410 pwr_ctr = &pwr_ctr_list->pwr_ctr;
411 if (pwr_ctr->type == GPIO) {
412 gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
413 } else if (pwr_ctr->type == REGULATOR) {
414 if (pwr_ctr->rgl_name)
415 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
416 if (regulator_lcd == NULL) {
417 dev_err(dev_drv->dev,
418 "%s: regulator get failed,regulator name:%s\n",
419 __func__, pwr_ctr->rgl_name);
422 while (regulator_is_enabled(regulator_lcd) > 0) {
423 if (regulator_disable(regulator_lcd) == 0 || count == 0)
426 dev_err(dev_drv->dev,
427 "regulator_disable failed,count=%d\n",
431 regulator_put(regulator_lcd);
437 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
438 struct rk_screen *screen)
440 screen->mode.pixclock = dt->pixelclock.typ;
441 screen->mode.left_margin = dt->hback_porch.typ;
442 screen->mode.right_margin = dt->hfront_porch.typ;
443 screen->mode.xres = dt->hactive.typ;
444 screen->mode.hsync_len = dt->hsync_len.typ;
445 screen->mode.upper_margin = dt->vback_porch.typ;
446 screen->mode.lower_margin = dt->vfront_porch.typ;
447 screen->mode.yres = dt->vactive.typ;
448 screen->mode.vsync_len = dt->vsync_len.typ;
449 screen->type = dt->screen_type;
450 screen->lvds_format = dt->lvds_format;
451 screen->face = dt->face;
452 screen->color_mode = dt->color_mode;
453 screen->dsp_lut = dt->dsp_lut;
454 screen->cabc_lut = dt->cabc_lut;
455 screen->cabc_gamma_base = dt->cabc_gamma_base;
457 if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
458 screen->pin_dclk = 1;
460 screen->pin_dclk = 0;
461 if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
462 screen->pin_hsync = 1;
464 screen->pin_hsync = 0;
465 if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
466 screen->pin_vsync = 1;
468 screen->pin_vsync = 0;
469 if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
478 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
480 struct display_timings *disp_timing;
481 struct display_timing *dt;
482 disp_timing = of_get_display_timings(np);
484 pr_err("parse display timing err\n");
487 dt = display_timings_get(disp_timing, disp_timing->native_mode);
488 rk_fb_video_mode_from_timing(dt, screen);
493 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
496 unsigned long long hz;
498 printk(KERN_ERR "%s:null screen!\n", __func__);
501 x = screen->mode.xres + screen->mode.left_margin +
502 screen->mode.right_margin + screen->mode.hsync_len;
503 y = screen->mode.yres + screen->mode.upper_margin +
504 screen->mode.lower_margin + screen->mode.vsync_len;
506 hz = 1000000000000ULL; /* 1e12 picoseconds per second */
509 do_div(hz, x * y); /* divide by x * y with rounding */
512 do_div(hz, pixclock); /* divide by pixclock with rounding */
517 char *get_format_string(enum data_format format, char *fmt)
523 strcpy(fmt, "ARGB888");
526 strcpy(fmt, "RGB888");
529 strcpy(fmt, "RGB565");
533 strcpy(fmt, "YUV420");
536 strcpy(fmt, "YUV422");
539 strcpy(fmt, "YUV444");
542 strcpy(fmt, "YUV420_A");
545 strcpy(fmt, "YUV422_A");
548 strcpy(fmt, "YUV444_A");
551 strcpy(fmt, "XRGB888");
554 strcpy(fmt, "XBGR888");
557 strcpy(fmt, "ABGR888");
560 strcpy(fmt, "FBDC_RGB_565");
564 strcpy(fmt, "FBDC_ARGB_888");
567 strcpy(fmt, "FBDC_RGBX_888");
570 strcpy(fmt, "invalid");
580 * name: lcdc device name ,lcdc0 , lcdc1
582 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
584 struct rk_fb *inf = NULL;
585 struct rk_lcdc_driver *dev_drv = NULL;
589 inf = platform_get_drvdata(fb_pdev);
593 for (i = 0; i < inf->num_lcdc; i++) {
594 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
595 dev_drv = inf->lcdc_dev_drv[i];
603 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
605 struct rk_fb *inf = NULL;
606 struct rk_lcdc_driver *dev_drv = NULL;
610 inf = platform_get_drvdata(fb_pdev);
614 for (i = 0; i < inf->num_lcdc; i++) {
615 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
616 dev_drv = inf->lcdc_dev_drv[i];
624 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
626 struct rk_fb *inf = NULL;
627 struct rk_lcdc_driver *dev_drv = NULL;
631 inf = platform_get_drvdata(fb_pdev);
635 for (i = 0; i < inf->num_lcdc; i++) {
636 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
637 dev_drv = inf->lcdc_dev_drv[i];
646 * get one frame time of the prmry screen, unit: us
648 u32 rk_fb_get_prmry_screen_ft(void)
650 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
651 uint32_t htotal, vtotal, pixclock_ps;
652 u64 pix_total, ft_us;
654 if (unlikely(!dev_drv))
657 pixclock_ps = dev_drv->pixclock;
659 vtotal = (dev_drv->cur_screen->mode.upper_margin +
660 dev_drv->cur_screen->mode.lower_margin +
661 dev_drv->cur_screen->mode.yres +
662 dev_drv->cur_screen->mode.vsync_len);
663 htotal = (dev_drv->cur_screen->mode.left_margin +
664 dev_drv->cur_screen->mode.right_margin +
665 dev_drv->cur_screen->mode.xres +
666 dev_drv->cur_screen->mode.hsync_len);
667 pix_total = htotal * vtotal;
668 ft_us = pix_total * pixclock_ps;
669 do_div(ft_us, 1000000);
670 if (dev_drv->frame_time.ft == 0)
671 dev_drv->frame_time.ft = ft_us;
673 ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
675 ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
677 dev_drv->frame_time.ft = ft_us;
679 return dev_drv->frame_time.ft;
683 * get the vblanking time of the prmry screen, unit: us
685 u32 rk_fb_get_prmry_screen_vbt(void)
687 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
688 uint32_t htotal, vblank, pixclock_ps;
689 u64 pix_blank, vbt_us;
691 if (unlikely(!dev_drv))
694 pixclock_ps = dev_drv->pixclock;
696 htotal = (dev_drv->cur_screen->mode.left_margin +
697 dev_drv->cur_screen->mode.right_margin +
698 dev_drv->cur_screen->mode.xres +
699 dev_drv->cur_screen->mode.hsync_len);
700 vblank = (dev_drv->cur_screen->mode.upper_margin +
701 dev_drv->cur_screen->mode.lower_margin +
702 dev_drv->cur_screen->mode.vsync_len);
703 pix_blank = htotal * vblank;
704 vbt_us = pix_blank * pixclock_ps;
705 do_div(vbt_us, 1000000);
710 * get the frame done time of the prmry screen, unit: us
712 u64 rk_fb_get_prmry_screen_framedone_t(void)
714 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
716 if (unlikely(!dev_drv))
719 return dev_drv->frame_time.framedone_t;
723 * set prmry screen status
725 int rk_fb_set_prmry_screen_status(int status)
727 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
728 struct rk_screen *screen;
730 if (unlikely(!dev_drv))
733 screen = dev_drv->cur_screen;
735 case SCREEN_PREPARE_DDR_CHANGE:
736 if (screen->type == SCREEN_MIPI
737 || screen->type == SCREEN_DUAL_MIPI) {
738 if (dev_drv->trsm_ops->dsp_pwr_off)
739 dev_drv->trsm_ops->dsp_pwr_off();
742 case SCREEN_UNPREPARE_DDR_CHANGE:
743 if (screen->type == SCREEN_MIPI
744 || screen->type == SCREEN_DUAL_MIPI) {
745 if (dev_drv->trsm_ops->dsp_pwr_on)
746 dev_drv->trsm_ops->dsp_pwr_on();
756 u32 rk_fb_get_prmry_screen_pixclock(void)
758 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
760 if (unlikely(!dev_drv))
763 return dev_drv->pixclock;
766 int rk_fb_poll_prmry_screen_vblank(void)
768 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
770 if (likely(dev_drv)) {
771 if (dev_drv->ops->poll_vblank)
772 return dev_drv->ops->poll_vblank(dev_drv);
774 return RK_LF_STATUS_NC;
776 return RK_LF_STATUS_NC;
780 bool rk_fb_poll_wait_frame_complete(void)
782 uint32_t timeout = RK_LF_MAX_TIMEOUT;
783 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
785 if (likely(dev_drv)) {
786 if (dev_drv->ops->set_irq_to_cpu)
787 dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
790 if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
791 if (likely(dev_drv)) {
792 if (dev_drv->ops->set_irq_to_cpu)
793 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
797 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
799 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
801 if (likely(dev_drv)) {
802 if (dev_drv->ops->set_irq_to_cpu)
803 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
810 /* rk_fb_get_sysmmu_device_by_compatible()
811 * @compt: dts device compatible name
812 * return value: success: pointer to the device inside of platform device
815 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
817 struct device_node *dn = NULL;
818 struct platform_device *pd = NULL;
819 struct device *ret = NULL ;
821 dn = of_find_compatible_node(NULL, NULL, compt);
823 printk("can't find device node %s \r\n", compt);
827 pd = of_find_device_by_node(dn);
829 printk("can't find platform device in device node %s \r\n", compt);
837 #ifdef CONFIG_IOMMU_API
838 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
840 dev->archdata.iommu = sysmmu;
843 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
849 static int rk_fb_open(struct fb_info *info, int user)
851 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
852 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
855 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
857 /* if this win aready opened ,no need to reopen */
858 if (dev_drv->win[win_id]->state)
861 dev_drv->ops->open(dev_drv, win_id, 1);
865 static int rk_fb_close(struct fb_info *info, int user)
867 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
868 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
869 struct rk_lcdc_win *win = NULL;
870 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
873 win = dev_drv->win[win_id];
876 if (!fb_par->state) {
877 if (fb_par->fb_phy_base > 0)
878 info->fix.smem_start = fb_par->fb_phy_base;
879 info->var.xres = dev_drv->screen0->mode.xres;
880 info->var.yres = dev_drv->screen0->mode.yres;
882 info->var.grayscale |=
883 (info->var.xres << 8) + (info->var.yres << 20);
885 info->var.xres_virtual = info->var.xres;
886 info->var.yres_virtual = info->var.yres;
887 #if defined(CONFIG_LOGO_LINUX_BMP)
888 info->var.bits_per_pixel = 32;
890 info->var.bits_per_pixel = 16;
892 info->fix.line_length =
893 (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
894 info->var.width = dev_drv->screen0->width;
895 info->var.height = dev_drv->screen0->height;
896 info->var.pixclock = dev_drv->pixclock;
897 info->var.left_margin = dev_drv->screen0->mode.left_margin;
898 info->var.right_margin = dev_drv->screen0->mode.right_margin;
899 info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
900 info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
901 info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
902 info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
909 #if defined(FB_ROATE_BY_KERNEL)
911 #if defined(CONFIG_RK29_IPP)
912 static int get_ipp_format(int fmt)
914 int ipp_fmt = IPP_XRGB_8888;
916 case HAL_PIXEL_FORMAT_RGBX_8888:
917 case HAL_PIXEL_FORMAT_RGBA_8888:
918 case HAL_PIXEL_FORMAT_BGRA_8888:
919 case HAL_PIXEL_FORMAT_RGB_888:
920 ipp_fmt = IPP_XRGB_8888;
922 case HAL_PIXEL_FORMAT_RGB_565:
923 ipp_fmt = IPP_RGB_565;
925 case HAL_PIXEL_FORMAT_YCbCr_422_SP:
926 ipp_fmt = IPP_Y_CBCR_H2V1;
928 case HAL_PIXEL_FORMAT_YCrCb_NV12:
929 ipp_fmt = IPP_Y_CBCR_H2V2;
931 case HAL_PIXEL_FORMAT_YCrCb_444:
932 ipp_fmt = IPP_Y_CBCR_H1V1;
935 ipp_fmt = IPP_IMGTYPE_LIMIT;
942 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
943 int rotation, int fmt)
948 if (fmt == IPP_XRGB_8888) {
951 } else if (fmt == IPP_RGB_565) {
958 align16 -= 1; /*for YUV, 1 */
959 align64 -= 1; /*for YUV, 7 */
961 if (rotation == IPP_ROT_0) {
962 if (fmt > IPP_RGB_565) {
963 if ((*dst_w & 1) != 0)
965 if ((*dst_h & 1) != 0)
967 if (*dst_vir_w < *dst_w)
971 if ((*dst_w & align64) != 0)
972 *dst_w = (*dst_w + align64) & (~align64);
973 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
975 if (*dst_vir_w < *dst_w)
980 static void fb_copy_by_ipp(struct fb_info *dst_info,
981 struct fb_info *src_info)
983 struct rk29_ipp_req ipp_req;
984 uint32_t rotation = 0;
985 int dst_w, dst_h, dst_vir_w;
987 u8 data_format = (dst_info->var.nonstd) & 0xff;
988 struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
989 struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
990 u16 orientation = ext_dev_drv->rotate_mode;
992 memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
994 switch (orientation) {
996 rotation = IPP_ROT_0;
999 rotation = IPP_ROT_90;
1002 rotation = IPP_ROT_180;
1005 rotation = IPP_ROT_270;
1008 rotation = IPP_ROT_270;
1012 dst_w = dst_info->var.xres;
1013 dst_h = dst_info->var.yres;
1014 dst_vir_w = dst_info->var.xres_virtual;
1015 ipp_fmt = get_ipp_format(data_format);
1016 ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1017 ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1018 ipp_req.src0.w = src_info->var.xres;
1019 ipp_req.src0.h = src_info->var.yres;
1020 ipp_req.src_vir_w = src_info->var.xres_virtual;
1021 ipp_req.src0.fmt = ipp_fmt;
1023 ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1024 ipp_req.dst0.w = dst_w;
1025 ipp_req.dst0.h = dst_h;
1026 ipp_req.dst_vir_w = dst_vir_w;
1027 ipp_req.dst0.fmt = ipp_fmt;
1029 ipp_req.timeout = 100;
1030 ipp_req.flag = rotation;
1031 ipp_blit_sync(&ipp_req);
1036 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1037 static int get_rga_format(int fmt)
1043 rga_fmt = RK_FORMAT_RGBX_8888;
1046 rga_fmt = RK_FORMAT_RGBA_8888;
1049 rga_fmt = RK_FORMAT_BGRA_8888;
1052 rga_fmt = RK_FORMAT_RGB_888;
1055 rga_fmt = RK_FORMAT_RGB_565;
1058 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1061 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1064 rga_fmt = RK_FORMAT_RGBA_8888;
1071 static void rga_win_check(struct rk_lcdc_win *dst_win,
1072 struct rk_lcdc_win *src_win)
1076 format = get_rga_format(src_win->area[0].format);
1077 /* width and height must be even number */
1078 if (format >= RK_FORMAT_YCbCr_422_SP &&
1079 format <= RK_FORMAT_YCrCb_420_P) {
1080 if ((src_win->area[0].xact % 2) != 0)
1081 src_win->area[0].xact += 1;
1082 if ((src_win->area[0].yact % 2) != 0)
1083 src_win->area[0].yact += 1;
1085 if (src_win->area[0].xvir < src_win->area[0].xact)
1086 src_win->area[0].xvir = src_win->area[0].xact;
1087 if (src_win->area[0].yvir < src_win->area[0].yact)
1088 src_win->area[0].yvir = src_win->area[0].yact;
1090 format = get_rga_format(dst_win->area[0].format);
1091 if (format >= RK_FORMAT_YCbCr_422_SP &&
1092 format <= RK_FORMAT_YCrCb_420_P) {
1093 if ((dst_win->area[0].xact % 2) != 0)
1094 dst_win->area[0].xact += 1;
1095 if ((dst_win->area[0].yact % 2) != 0)
1096 dst_win->area[0].yact += 1;
1098 if (dst_win->area[0].xvir < dst_win->area[0].xact)
1099 dst_win->area[0].xvir = dst_win->area[0].xact;
1100 if (dst_win->area[0].yvir < dst_win->area[0].yact)
1101 dst_win->area[0].yvir = dst_win->area[0].yact;
1104 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1105 struct rk_lcdc_win *src_win,
1106 u16 orientation, int iommu_en)
1108 struct rga_req Rga_Request;
1112 memset(&Rga_Request, 0, sizeof(Rga_Request));
1113 rga_win_check(dst_win, src_win);
1115 switch (orientation) {
1117 Rga_Request.rotate_mode = 1;
1118 Rga_Request.sina = 65536;
1119 Rga_Request.cosa = 0;
1120 Rga_Request.dst.act_w = dst_win->area[0].yact;
1121 Rga_Request.dst.act_h = dst_win->area[0].xact;
1122 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1123 Rga_Request.dst.y_offset = 0;
1126 Rga_Request.rotate_mode = 1;
1127 Rga_Request.sina = 0;
1128 Rga_Request.cosa = -65536;
1129 Rga_Request.dst.act_w = dst_win->area[0].xact;
1130 Rga_Request.dst.act_h = dst_win->area[0].yact;
1131 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1132 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1135 Rga_Request.rotate_mode = 1;
1136 Rga_Request.sina = -65536;
1137 Rga_Request.cosa = 0;
1138 Rga_Request.dst.act_w = dst_win->area[0].yact;
1139 Rga_Request.dst.act_h = dst_win->area[0].xact;
1140 Rga_Request.dst.x_offset = 0;
1141 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1144 Rga_Request.rotate_mode = 0;
1145 Rga_Request.dst.act_w = dst_win->area[0].xact;
1146 Rga_Request.dst.act_h = dst_win->area[0].yact;
1147 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1148 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1153 fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1154 Rga_Request.src.yrgb_addr = fd;
1155 fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1156 Rga_Request.dst.yrgb_addr = fd;
1158 Rga_Request.src.yrgb_addr = 0;
1159 Rga_Request.src.uv_addr =
1160 src_win->area[0].smem_start + src_win->area[0].y_offset;
1161 Rga_Request.src.v_addr = 0;
1163 Rga_Request.dst.yrgb_addr = 0;
1164 Rga_Request.dst.uv_addr =
1165 dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1166 Rga_Request.dst.v_addr = 0;
1168 Rga_Request.src.vir_w = src_win->area[0].xvir;
1169 Rga_Request.src.vir_h = src_win->area[0].yvir;
1170 Rga_Request.src.format = get_rga_format(src_win->area[0].format);
1171 Rga_Request.src.act_w = src_win->area[0].xact;
1172 Rga_Request.src.act_h = src_win->area[0].yact;
1173 Rga_Request.src.x_offset = 0;
1174 Rga_Request.src.y_offset = 0;
1176 Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1177 Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1178 Rga_Request.dst.format = get_rga_format(dst_win->area[0].format);
1180 Rga_Request.clip.xmin = 0;
1181 Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1182 Rga_Request.clip.ymin = 0;
1183 Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1184 Rga_Request.scale_mode = 0;
1185 #if defined(CONFIG_ROCKCHIP_IOMMU)
1187 Rga_Request.mmu_info.mmu_en = 1;
1188 Rga_Request.mmu_info.mmu_flag = 1;
1190 Rga_Request.mmu_info.mmu_en = 0;
1191 Rga_Request.mmu_info.mmu_flag = 0;
1194 Rga_Request.mmu_info.mmu_en = 0;
1195 Rga_Request.mmu_info.mmu_flag = 0;
1198 ret = rga_ioctl_kernel(&Rga_Request);
1202 * This function is used for copying fb by RGA Module
1203 * RGA only support copy RGB to RGB
1204 * RGA2 support copy RGB to RGB and YUV to YUV
1206 static void fb_copy_by_rga(struct fb_info *dst_info,
1207 struct fb_info *src_info)
1209 struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1210 struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1211 struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1212 struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1213 int win_id = 0, ext_win_id;
1214 struct rk_lcdc_win *src_win, *dst_win;
1216 win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1217 src_win = dev_drv->win[win_id];
1220 ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1221 dst_win = ext_dev_drv->win[ext_win_id];
1223 win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1224 ext_dev_drv->iommu_enabled);
1228 static int rk_fb_rotate(struct fb_info *dst_info,
1229 struct fb_info *src_info)
1232 #if defined(CONFIG_RK29_IPP)
1233 fb_copy_by_ipp(dst_info, src_info);
1234 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1235 fb_copy_by_rga(dst_info, src_info);
1242 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1243 struct rk_lcdc_win *src_win,
1244 u16 rotate, int iommu_en)
1246 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1247 win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1256 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1257 struct fb_info *info)
1259 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1260 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1261 struct fb_fix_screeninfo *fix = &info->fix;
1263 struct rk_lcdc_win *win = NULL;
1264 struct rk_screen *screen = dev_drv->cur_screen;
1265 u32 xoffset = var->xoffset;
1266 u32 yoffset = var->yoffset;
1267 u32 xvir = var->xres_virtual;
1270 u32 stride, uv_stride;
1273 u16 uv_x_off, uv_y_off, uv_y_act;
1276 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1280 win = dev_drv->win[win_id];
1282 pixel_width = rk_fb_pixel_width(win->area[0].format);
1283 vir_width_bit = pixel_width * xvir;
1284 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1285 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1287 switch (win->area[0].format) {
1291 stride = stride_32bit_1;
1292 uv_stride = stride_32bit_1 >> 1;
1293 uv_x_off = xoffset >> 1;
1295 fix->line_length = stride;
1296 uv_y_act = win->area[0].yact >> 1;
1298 case YUV420: /* nv12 */
1299 case YUV420_NV21: /* nv21 */
1302 stride = stride_32bit_1;
1303 uv_stride = stride_32bit_1;
1305 uv_y_off = yoffset >> 1;
1306 fix->line_length = stride;
1307 uv_y_act = win->area[0].yact >> 1;
1312 stride = stride_32bit_1;
1313 uv_stride = stride_32bit_2;
1314 uv_x_off = xoffset * 2;
1316 fix->line_length = stride << 2;
1317 uv_y_act = win->area[0].yact;
1320 stride = stride_32bit_1; /* default rgb */
1321 fix->line_length = stride;
1325 /* x y mirror ,jump line */
1326 if ((screen->y_mirror == 1) ||
1327 (win->mirror_en == 1)) {
1328 if (screen->interlace == 1) {
1329 win->area[0].y_offset = yoffset * stride * 2 +
1330 ((win->area[0].yact - 1) * 2 + 1) * stride +
1331 xoffset * pixel_width / 8;
1333 win->area[0].y_offset = yoffset * stride +
1334 (win->area[0].yact - 1) * stride +
1335 xoffset * pixel_width / 8;
1338 if (screen->interlace == 1) {
1339 win->area[0].y_offset =
1340 yoffset * stride * 2 + xoffset * pixel_width / 8;
1342 win->area[0].y_offset =
1343 yoffset * stride + xoffset * pixel_width / 8;
1346 if (is_pic_yuv == 1) {
1347 if ((screen->y_mirror == 1) ||
1348 (win->mirror_en == 1)) {
1349 if (screen->interlace == 1) {
1350 win->area[0].c_offset =
1351 uv_y_off * uv_stride * 2 +
1352 ((uv_y_act - 1) * 2 + 1) * uv_stride +
1353 uv_x_off * pixel_width / 8;
1355 win->area[0].c_offset = uv_y_off * uv_stride +
1356 (uv_y_act - 1) * uv_stride +
1357 uv_x_off * pixel_width / 8;
1360 if (screen->interlace == 1) {
1361 win->area[0].c_offset =
1362 uv_y_off * uv_stride * 2 +
1363 uv_x_off * pixel_width / 8;
1365 win->area[0].c_offset =
1366 uv_y_off * uv_stride +
1367 uv_x_off * pixel_width / 8;
1372 win->area[0].smem_start = fix->smem_start;
1373 win->area[0].cbr_start = fix->mmio_start;
1374 win->area[0].state = 1;
1377 dev_drv->ops->pan_display(dev_drv, win_id);
1379 #ifdef CONFIG_FB_MIRRORING
1380 if (video_data_to_mirroring)
1381 video_data_to_mirroring(info, NULL);
1383 /*if not want the config effect,set reserved[3] bit[0] 1*/
1384 if (likely((var->reserved[3] & 0x1) == 0))
1385 dev_drv->ops->cfg_done(dev_drv);
1390 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1394 i = list_empty(&dev_drv->update_regs_list);
1395 j = list_empty(&dev_drv->saved_list);
1396 return i == j ? 0 : 1;
1399 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1401 int err = sync_fence_wait(fence, 1000);
1407 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1410 printk("error waiting on fence\n");
1413 static int rk_fb_copy_from_loader(struct fb_info *info)
1415 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1416 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1417 void *dst = info->screen_base;
1422 struct rk_lcdc_win *win;
1424 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1425 win = dev_drv->win[win_id];
1426 size = (win->area[0].xact) * (win->area[0].yact) << 2;
1427 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1428 src = dsp_addr[win_id];
1429 dev_info(info->dev, "copy fb data %d x %d from dst_addr:%08x\n",
1430 win->area[0].xact, win->area[0].yact, src);
1431 for (i = 0; i < size; i += PAGE_SIZE) {
1432 void *page = phys_to_page(i + src);
1433 void *from_virt = kmap(page);
1434 void *to_virt = dst + i;
1435 memcpy(to_virt, from_virt, PAGE_SIZE);
1437 dev_drv->ops->direct_set_addr(dev_drv, win_id,
1438 info->fix.smem_start);
1442 #ifdef CONFIG_ROCKCHIP_IOMMU
1443 static int g_last_addr[4][4];
1448 #define DUMP_CHUNK 256
1449 char buf[PAGE_SIZE];
1451 int rk_fb_sysmmu_fault_handler(struct device *dev,
1452 enum rk_iommu_inttype itype,
1453 unsigned long pgtable_base,
1454 unsigned long fault_addr, unsigned int status)
1456 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1458 static int page_fault_cnt;
1459 if ((page_fault_cnt++) >= 10)
1462 ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1463 fault_addr, pgtable_base, status);
1464 pr_info("last config addr:\n");
1465 for (i = 0; i < 4; i++) {
1466 for (j = 0; j < 4; j++)
1467 pr_info("win[%d],area[%d] = 0x%08x\n",
1468 i, j, g_last_addr[i][j]);
1470 pr_info("last freed buffer:\n");
1471 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1472 printk("%d:0x%08x\n", i, freed_addr[i]);
1473 printk("last timeout:%d\n", g_last_timeout);
1474 dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1475 for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1476 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1477 char c = buf[i + DUMP_CHUNK];
1478 buf[i + DUMP_CHUNK] = 0;
1479 pr_cont("%s", buf + i);
1480 buf[i + DUMP_CHUNK] = c;
1482 buf[PAGE_SIZE - 1] = 0;
1483 pr_cont("%s", buf + i);
1491 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1492 struct rk_fb_reg_win_data *reg_win_data)
1495 struct rk_fb_reg_area_data *area_data;
1496 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1498 for (i = 0; i < reg_win_data->area_num; i++) {
1499 area_data = ®_win_data->reg_area_data[i];
1500 index_buf = area_data->index_buf;
1501 #if defined(CONFIG_ROCKCHIP_IOMMU)
1502 if (dev_drv->iommu_enabled) {
1503 if ((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
1504 (area_data->ion_handle != NULL))
1505 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1506 area_data->ion_handle);
1507 freed_addr[freed_index++] = area_data->smem_start;
1510 if (area_data->ion_handle != NULL)
1511 ion_free(rk_fb->ion_client, area_data->ion_handle);
1513 if (area_data->acq_fence)
1514 sync_fence_put(area_data->acq_fence);
1516 memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1519 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1520 struct rk_lcdc_win *win,
1521 struct rk_fb_reg_win_data *reg_win_data)
1524 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1525 struct rk_screen *cur_screen;
1526 struct rk_screen primary_screen;
1528 if (unlikely(!inf) || unlikely(!dev_drv) ||
1529 unlikely(!win) || unlikely(!reg_win_data))
1532 cur_screen = dev_drv->cur_screen;
1533 rk_fb_get_prmry_screen(&primary_screen);
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;
1539 if (reg_win_data->reg_area_data[0].smem_start > 0) {
1541 win->area_num = reg_win_data->area_num;
1542 win->id = reg_win_data->win_id;
1543 win->z_order = reg_win_data->z_order;
1544 win->area[0].uv_vir_stride =
1545 reg_win_data->reg_area_data[0].uv_vir_stride;
1546 win->area[0].cbr_start =
1547 reg_win_data->reg_area_data[0].cbr_start;
1548 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1549 win->alpha_en = reg_win_data->alpha_en;
1550 win->alpha_mode = reg_win_data->alpha_mode;
1551 win->g_alpha_val = reg_win_data->g_alpha_val;
1552 win->mirror_en = reg_win_data->mirror_en;
1553 win->area[0].fbdc_en =
1554 reg_win_data->reg_area_data[0].fbdc_en;
1555 win->area[0].fbdc_cor_en =
1556 reg_win_data->reg_area_data[0].fbdc_cor_en;
1557 win->area[0].fbdc_data_format =
1558 reg_win_data->reg_area_data[0].fbdc_data_format;
1559 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1560 if (reg_win_data->reg_area_data[i].smem_start > 0) {
1561 win->area[i].format =
1562 reg_win_data->reg_area_data[i].data_format;
1563 if (inf->disp_policy != DISPLAY_POLICY_BOX)
1564 win->area[i].ion_hdl =
1565 reg_win_data->reg_area_data[i].ion_handle;
1566 win->area[i].smem_start =
1567 reg_win_data->reg_area_data[i].smem_start;
1568 if (inf->disp_mode == DUAL ||
1569 inf->disp_mode == NO_DUAL ||
1570 inf->disp_policy == DISPLAY_POLICY_BOX) {
1572 reg_win_data->reg_area_data[i].xpos;
1574 reg_win_data->reg_area_data[i].ypos;
1575 win->area[i].xsize =
1576 reg_win_data->reg_area_data[i].xsize;
1577 win->area[i].ysize =
1578 reg_win_data->reg_area_data[i].ysize;
1581 reg_win_data->reg_area_data[i].xpos *
1582 cur_screen->mode.xres /
1583 primary_screen.mode.xres;
1585 reg_win_data->reg_area_data[i].ypos *
1586 cur_screen->mode.yres /
1587 primary_screen.mode.yres;
1588 win->area[i].xsize =
1589 reg_win_data->reg_area_data[i].xsize *
1590 cur_screen->mode.xres /
1591 primary_screen.mode.xres;
1592 win->area[i].ysize =
1593 reg_win_data->reg_area_data[i].ysize *
1594 cur_screen->mode.yres /
1595 primary_screen.mode.yres;
1597 /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1598 if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
1599 if (cur_screen->xsize > 0 &&
1600 cur_screen->xsize <= cur_screen->mode.xres) {
1602 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1603 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1604 win->area[i].xsize =
1605 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1607 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1609 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1610 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1611 win->area[i].ysize =
1612 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1617 reg_win_data->reg_area_data[i].xact;
1619 reg_win_data->reg_area_data[i].yact;
1621 reg_win_data->reg_area_data[i].xvir;
1623 reg_win_data->reg_area_data[i].yvir;
1625 reg_win_data->reg_area_data[i].xoff;
1627 reg_win_data->reg_area_data[i].yoff;
1628 win->area[i].y_offset =
1629 reg_win_data->reg_area_data[i].y_offset;
1630 win->area[i].y_vir_stride =
1631 reg_win_data->reg_area_data[i].y_vir_stride;
1632 win->area[i].state = 1;
1633 #if defined(CONFIG_ROCKCHIP_IOMMU)
1634 if (dev_drv->iommu_enabled)
1635 g_last_addr[win->id][i] = win->area[i].smem_start +
1636 win->area[i].y_offset;
1639 win->area[i].state = 0;
1640 #if defined(CONFIG_ROCKCHIP_IOMMU)
1641 if (dev_drv->iommu_enabled)
1642 g_last_addr[win->id][i] = -1;
1649 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1653 struct rk_fb_reg_win_data *win_data = NULL;
1654 for (i = 0; i < regs->win_num; i++) {
1655 if (regs->reg_win_data[i].win_id == win_id) {
1656 win_data = &(regs->reg_win_data[i]);
1664 static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
1665 struct rk_fb_reg_data *regs,
1668 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1669 int i, j, wait_for_vsync = false;
1670 unsigned int dsp_addr[5][4];
1671 unsigned int area_support[5] = {1, 1, 1, 1, 1};
1674 if (dev_drv->ops->get_dsp_addr)
1675 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1677 if (dev_drv->ops->area_support_num)
1678 dev_drv->ops->area_support_num(dev_drv, area_support);
1680 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1681 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1682 (!strcmp(dev_drv->win[i]->name, "hwc")))
1685 for (j = 0;j < RK_WIN_MAX_AREA; j++) {
1686 if ((j > 0) && (area_support[i] == 1)) {
1689 if (dev_drv->win[i]->area[j].state == 1) {
1691 dev_drv->win[i]->area[j].smem_start +
1692 dev_drv->win[i]->area[j].y_offset;
1693 u32 reg_start = dsp_addr[i][j];
1694 if ((rk_fb->disp_policy ==
1695 DISPLAY_POLICY_BOX) &&
1696 (dev_drv->suspend_flag))
1698 if (unlikely(new_start != reg_start)) {
1699 wait_for_vsync = true;
1700 dev_info(dev_drv->dev,
1701 "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1702 i, new_start, reg_start, 101 - count);
1705 } else if (dev_drv->win[i]->area[j].state == 0) {
1706 if (dev_drv->ops->get_win_state) {
1708 dev_drv->ops->get_win_state(dev_drv, i, j);
1710 wait_for_vsync = true;
1713 pr_err("!!!win[%d]state:%d,error!!!\n",
1714 i, dev_drv->win[i]->state);
1719 return wait_for_vsync;
1722 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1723 struct rk_fb_reg_data *regs)
1726 struct rk_lcdc_win *win;
1727 ktime_t timestamp = dev_drv->vsync_info.timestamp;
1728 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1729 struct rk_fb_reg_win_data *win_data;
1730 bool wait_for_vsync;
1734 /* acq_fence wait */
1735 for (i = 0; i < regs->win_num; i++) {
1736 win_data = ®s->reg_win_data[i];
1737 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1738 if (win_data->reg_area_data[j].acq_fence) {
1739 /* printk("acq_fence wait!!!!!\n"); */
1740 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1745 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1746 win = dev_drv->win[i];
1747 win_data = rk_fb_get_win_data(regs, i);
1749 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1750 (win_data->reg_area_data[0].data_format == YUV420 ||
1751 win_data->reg_area_data[0].data_format == YUV420_NV21 ||
1752 win_data->reg_area_data[0].data_format == YUV420_A))
1754 mutex_lock(&dev_drv->win_config);
1755 rk_fb_update_win(dev_drv, win, win_data);
1757 dev_drv->ops->set_par(dev_drv, i);
1758 dev_drv->ops->pan_display(dev_drv, i);
1759 mutex_unlock(&dev_drv->win_config);
1763 #if defined(CONFIG_ROCKCHIP_IOMMU)
1764 if (dev_drv->iommu_enabled) {
1765 for (j = 0; j < 4; j++)
1766 g_last_addr[i][j] = -1;
1771 dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1772 if (dev_drv->ops->dsp_black)
1773 dev_drv->ops->dsp_black(dev_drv, 0);
1774 dev_drv->ops->cfg_done(dev_drv);
1777 timestamp = dev_drv->vsync_info.timestamp;
1778 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1779 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1780 msecs_to_jiffies(50));
1782 wait_for_vsync = rk_fb_reg_effect(dev_drv, regs, count);
1783 } while (wait_for_vsync && count--);
1785 sw_sync_timeline_inc(dev_drv->timeline, 1);
1788 if (dev_drv->front_regs) {
1789 #if defined(CONFIG_ROCKCHIP_IOMMU)
1790 if (dev_drv->iommu_enabled) {
1791 if (dev_drv->ops->mmu_en)
1792 dev_drv->ops->mmu_en(dev_drv);
1794 g_last_timeout = timeout;
1798 mutex_lock(&dev_drv->front_lock);
1800 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1801 win_data = &dev_drv->front_regs->reg_win_data[i];
1802 rk_fb_free_dma_buf(dev_drv, win_data);
1804 kfree(dev_drv->front_regs);
1806 mutex_unlock(&dev_drv->front_lock);
1808 #if defined(CONFIG_ROCKCHIP_IOMMU)
1809 if (dev_drv->iommu_enabled)
1810 freed_addr[freed_index] = 0xfefefefe;
1814 mutex_lock(&dev_drv->front_lock);
1816 dev_drv->front_regs = regs;
1818 mutex_unlock(&dev_drv->front_lock);
1821 static void rk_fb_update_regs_handler(struct kthread_work *work)
1823 struct rk_lcdc_driver *dev_drv =
1824 container_of(work, struct rk_lcdc_driver, update_regs_work);
1825 struct rk_fb_reg_data *data, *next;
1827 mutex_lock(&dev_drv->update_regs_list_lock);
1828 dev_drv->saved_list = dev_drv->update_regs_list;
1829 list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1830 mutex_unlock(&dev_drv->update_regs_list_lock);
1832 list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1833 rk_fb_update_reg(dev_drv, data);
1834 list_del(&data->list);
1837 if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1838 wake_up(&dev_drv->update_regs_wait);
1841 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1842 struct rk_screen *screen)
1844 if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1845 (area_par->xact <= 0) || (area_par->yact <= 0) ||
1846 (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1847 pr_err("check config var fail 0:\n"
1848 "x_offset=%d,xact=%d,xvir=%d\n",
1849 area_par->x_offset, area_par->xact, area_par->xvir);
1853 if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1854 (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1855 (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1856 pr_warn("check config var fail 1:\n"
1857 "xpos=%d,xsize=%d,xres=%d\n"
1858 "ypos=%d,ysize=%d,yres=%d\n",
1859 area_par->xpos, area_par->xsize, screen->mode.xres,
1860 area_par->ypos, area_par->ysize, screen->mode.yres);
1866 static int rk_fb_set_win_buffer(struct fb_info *info,
1867 struct rk_fb_win_par *win_par,
1868 struct rk_fb_reg_win_data *reg_win_data)
1870 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1871 struct fb_fix_screeninfo *fix = &info->fix;
1872 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1873 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1874 /*if hdmi size move to hwc,screen should point to cur_screen
1875 otherwise point to screen0[main screen]*/
1876 struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
1877 struct fb_info *fbi;
1878 int i, ion_fd, acq_fence_fd;
1880 u32 xoffset, yoffset;
1882 struct ion_handle *hdl;
1888 u32 stride, uv_stride;
1891 u16 uv_x_off, uv_y_off, uv_y_act;
1893 u8 ppixel_a = 0, global_a = 0;
1894 ion_phys_addr_t phy_addr;
1898 reg_win_data->reg_area_data[0].smem_start = -1;
1899 reg_win_data->area_num = 0;
1900 fbi = rk_fb->fb[reg_win_data->win_id];
1901 if (win_par->area_par[0].phy_addr == 0) {
1902 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1903 ion_fd = win_par->area_par[i].ion_fd;
1906 ion_import_dma_buf(rk_fb->ion_client,
1909 pr_info("%s: Could not import handle:"
1910 " %ld\n", __func__, (long)hdl);
1911 /*return -EINVAL; */
1914 reg_win_data->area_num++;
1915 reg_win_data->reg_area_data[i].ion_handle = hdl;
1916 #ifndef CONFIG_ROCKCHIP_IOMMU
1917 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
1920 if (dev_drv->iommu_enabled)
1921 ret = ion_map_iommu(dev_drv->dev,
1924 (unsigned long *)&phy_addr,
1925 (unsigned long *)&len);
1927 ret = ion_phys(rk_fb->ion_client, hdl,
1931 dev_err(fbi->dev, "ion map to get phy addr failed\n");
1932 ion_free(rk_fb->ion_client, hdl);
1935 reg_win_data->reg_area_data[i].smem_start = phy_addr;
1936 reg_win_data->area_buf_num++;
1937 reg_win_data->reg_area_data[i].index_buf = 1;
1938 reg_win_data->reg_area_data[i].buff_len = len;
1942 reg_win_data->reg_area_data[0].smem_start =
1943 win_par->area_par[0].phy_addr;
1944 reg_win_data->area_num = 1;
1945 reg_win_data->area_buf_num++;
1946 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
1949 if (reg_win_data->area_num == 0)
1952 for (i = 0; i < reg_win_data->area_num; i++) {
1953 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
1954 index_buf = reg_win_data->reg_area_data[i].index_buf;
1955 if ((acq_fence_fd > 0) && (index_buf == 1)) {
1956 reg_win_data->reg_area_data[i].acq_fence =
1957 sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
1960 if (reg_win_data->reg_area_data[0].smem_start > 0) {
1961 reg_win_data->z_order = win_par->z_order;
1962 reg_win_data->win_id = win_par->win_id;
1964 reg_win_data->z_order = -1;
1965 reg_win_data->win_id = -1;
1968 reg_win_data->mirror_en = win_par->mirror_en;
1969 for (i = 0; i < reg_win_data->area_num; i++) {
1970 /*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
1972 fb_data_fmt = rk_fb_data_fmt(win_par->area_par[i].data_format, 0);
1973 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
1974 if (fb_data_fmt >= FBDC_RGB_565) {
1975 reg_win_data->reg_area_data[i].fbdc_en = 1;
1976 reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
1978 reg_win_data->reg_area_data[i].fbdc_en = 0;
1979 reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
1981 pixel_width = rk_fb_pixel_width(fb_data_fmt);
1983 ppixel_a |= ((fb_data_fmt == ARGB888) ||
1984 (fb_data_fmt == FBDC_ARGB_888) ||
1985 (fb_data_fmt == FBDC_ABGR_888) ||
1986 (fb_data_fmt == ABGR888)) ? 1 : 0;
1987 /* visiable pos in panel */
1988 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
1989 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
1991 /* realy size in panel */
1992 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
1993 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
1995 /* realy size in panel */
1996 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
1997 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
1999 xoffset = win_par->area_par[i].x_offset; /* buf offset */
2000 yoffset = win_par->area_par[i].y_offset;
2001 reg_win_data->reg_area_data[i].xoff = xoffset;
2002 reg_win_data->reg_area_data[i].yoff = yoffset;
2004 xvir = win_par->area_par[i].xvir;
2005 reg_win_data->reg_area_data[i].xvir = xvir;
2006 yvir = win_par->area_par[i].yvir;
2007 reg_win_data->reg_area_data[i].yvir = yvir;
2009 vir_width_bit = pixel_width * xvir;
2010 /* pixel_width = byte_num*8 */
2011 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2012 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2014 stride = stride_32bit_1; /* default rgb */
2015 fix->line_length = stride;
2016 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2018 /* x y mirror ,jump line
2019 * reg_win_data->reg_area_data[i].y_offset =
2020 * yoffset*stride+xoffset*pixel_width/8;
2022 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2023 if (screen->interlace == 1) {
2024 reg_win_data->reg_area_data[i].y_offset =
2025 yoffset * stride * 2 +
2026 ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2027 xoffset * pixel_width / 8;
2029 reg_win_data->reg_area_data[i].y_offset =
2031 (reg_win_data->reg_area_data[i].yact - 1) * stride +
2032 xoffset * pixel_width / 8;
2035 if (screen->interlace == 1) {
2036 reg_win_data->reg_area_data[i].y_offset =
2037 yoffset * stride * 2 +
2038 xoffset * pixel_width / 8;
2040 reg_win_data->reg_area_data[i].y_offset =
2042 xoffset * pixel_width / 8;
2045 if ((fb_data_fmt != YUV420) &&
2046 (fb_data_fmt != YUV420_NV21) &&
2047 (fb_data_fmt != YUV422) &&
2048 (fb_data_fmt != YUV444) &&
2049 dev_drv->iommu_enabled) {
2050 buff_len = reg_win_data->reg_area_data[i].y_offset +
2051 reg_win_data->reg_area_data[i].xvir *
2052 reg_win_data->reg_area_data[i].yact *
2054 reg_win_data->reg_area_data[i].xoff*
2056 if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2057 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2059 "=buff_len[0x%x]>>mmu len=0x%x\n",
2061 reg_win_data->reg_area_data[i].xvir,
2062 reg_win_data->reg_area_data[i].yact,
2063 pixel_width, buff_len,
2064 reg_win_data->reg_area_data[i].buff_len);
2068 global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2069 reg_win_data->alpha_en = ppixel_a | global_a;
2070 reg_win_data->g_alpha_val = win_par->g_alpha_val;
2071 reg_win_data->alpha_mode = win_par->alpha_mode;
2073 switch (fb_data_fmt) {
2077 stride = stride_32bit_1;
2078 uv_stride = stride_32bit_1 >> 1;
2079 uv_x_off = xoffset >> 1;
2081 fix->line_length = stride;
2082 uv_y_act = win_par->area_par[0].yact >> 1;
2084 case YUV420: /* nv12 */
2085 case YUV420_NV21: /* nv21 */
2088 stride = stride_32bit_1;
2089 uv_stride = stride_32bit_1;
2091 uv_y_off = yoffset >> 1;
2092 fix->line_length = stride;
2093 uv_y_act = win_par->area_par[0].yact >> 1;
2098 stride = stride_32bit_1;
2099 uv_stride = stride_32bit_2;
2100 uv_x_off = xoffset * 2;
2102 fix->line_length = stride << 2;
2103 uv_y_act = win_par->area_par[0].yact;
2108 if (is_pic_yuv == 1) {
2109 reg_win_data->reg_area_data[0].cbr_start =
2110 reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2111 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2112 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2113 if (screen->interlace == 1) {
2114 reg_win_data->reg_area_data[0].c_offset =
2115 uv_y_off * uv_stride * 2 +
2116 ((uv_y_act - 1) * 2 + 1) * uv_stride +
2117 uv_x_off * pixel_width / 8;
2119 reg_win_data->reg_area_data[0].c_offset =
2120 uv_y_off * uv_stride +
2121 (uv_y_act - 1) * uv_stride +
2122 uv_x_off * pixel_width / 8;
2125 if (screen->interlace == 1) {
2126 reg_win_data->reg_area_data[0].c_offset =
2127 uv_y_off * uv_stride * 2 +
2128 uv_x_off * pixel_width / 8;
2130 reg_win_data->reg_area_data[0].c_offset =
2131 uv_y_off * uv_stride +
2132 uv_x_off * pixel_width / 8;
2135 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2136 reg_win_data->reg_area_data[0].c_offset +
2137 reg_win_data->reg_area_data[0].xvir *
2138 reg_win_data->reg_area_data[0].yact *
2140 reg_win_data->reg_area_data[0].smem_start -
2141 reg_win_data->reg_area_data[0].xoff*
2143 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2144 dev_drv->iommu_enabled)
2145 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2147 "=buff_len[0x%x]>>mmu len=0x%x\n",
2149 reg_win_data->reg_area_data[0].xvir,
2150 reg_win_data->reg_area_data[0].yact,
2151 pixel_width, buff_len,
2152 reg_win_data->reg_area_data[0].buff_len);
2155 /* record buffer information for rk_fb_disp_scale to prevent fence timeout
2156 * because rk_fb_disp_scale will call function info->fbops->fb_set_par(info);
2158 info->var.yoffset = yoffset;
2159 info->var.xoffset = xoffset;
2163 static int rk_fb_set_win_config(struct fb_info *info,
2164 struct rk_fb_win_cfg_data *win_data)
2166 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2167 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2168 struct rk_fb_reg_data *regs;
2170 struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2171 struct sync_fence *retire_fence;
2172 struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2173 struct sync_pt *retire_sync_pt;
2174 char fence_name[20];
2176 int ret = 0, i, j = 0;
2177 int list_is_empty = 0;
2178 struct rk_screen *screen = dev_drv->cur_screen;
2180 for (i = 0; i < 4; i++) {
2181 for (j = 0; j < 4; j++) {
2182 if (win_data->win_par[i].area_par[j].ion_fd > 0)
2183 ret += rk_fb_check_config_var(
2184 &win_data->win_par[i].area_par[j],
2188 if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
2189 dev_drv->timeline_max++;
2190 sw_sync_timeline_inc(dev_drv->timeline, 1);
2191 if (dev_drv->suspend_flag)
2192 pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
2193 else if (dev_drv->hdmi_switch)
2194 pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
2196 pr_err("error config ,ignore\n");
2197 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2198 win_data->rel_fence_fd[j] = -1;
2199 win_data->ret_fence_fd = -1;
2203 regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2205 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2210 for (i = 0,j = 0; i < dev_drv->lcdc_win_num; i++) {
2211 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2212 if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2213 ®s->reg_win_data[j]))
2215 if (regs->reg_win_data[j].area_num > 0) {
2218 regs->reg_win_data[j].area_buf_num;
2222 printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2223 printk(KERN_INFO "i=%d,win_id=%d\n", i,
2224 win_data->win_par[i].win_id);
2228 if (regs->win_num <= 0)
2229 goto err_null_frame;
2231 mutex_lock(&dev_drv->output_lock);
2233 dev_drv->timeline_max++;
2235 for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2236 if (i < regs->buf_num) {
2237 sprintf(fence_name, "fence%d", i);
2238 win_data->rel_fence_fd[i] = get_unused_fd();
2239 if (win_data->rel_fence_fd[i] < 0) {
2240 printk(KERN_INFO "rel_fence_fd=%d\n",
2241 win_data->rel_fence_fd[i]);
2245 release_sync_pt[i] =
2246 sw_sync_pt_create(dev_drv->timeline,
2247 dev_drv->timeline_max);
2249 sync_fence_create(fence_name, release_sync_pt[i]);
2250 sync_fence_install(release_fence[i],
2251 win_data->rel_fence_fd[i]);
2253 win_data->rel_fence_fd[i] = -1;
2257 win_data->ret_fence_fd = get_unused_fd();
2258 if (win_data->ret_fence_fd < 0) {
2259 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2260 win_data->ret_fence_fd = -1;
2265 sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2266 retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2267 sync_fence_install(retire_fence, win_data->ret_fence_fd);
2269 for (i = 0; i < RK_MAX_BUF_NUM; i++)
2270 win_data->rel_fence_fd[i] = -1;
2272 win_data->ret_fence_fd = -1;
2274 if (dev_drv->wait_fs == 0) {
2275 mutex_lock(&dev_drv->update_regs_list_lock);
2276 list_add_tail(®s->list, &dev_drv->update_regs_list);
2277 mutex_unlock(&dev_drv->update_regs_list_lock);
2278 queue_kthread_work(&dev_drv->update_regs_worker,
2279 &dev_drv->update_regs_work);
2281 mutex_lock(&dev_drv->update_regs_list_lock);
2282 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2283 list_empty(&dev_drv->saved_list);
2284 mutex_unlock(&dev_drv->update_regs_list_lock);
2285 if (!list_is_empty) {
2286 ret = wait_event_timeout(dev_drv->update_regs_wait,
2287 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2288 msecs_to_jiffies(60));
2290 rk_fb_update_reg(dev_drv, regs);
2292 printk("%s: wait update_regs_wait timeout\n", __func__);
2293 } else if (ret == 0) {
2294 rk_fb_update_reg(dev_drv, regs);
2299 mutex_unlock(&dev_drv->output_lock);
2303 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2304 win_data->rel_fence_fd[j] = -1;
2305 win_data->ret_fence_fd = -1;
2306 pr_info("win num = %d,null frame\n", regs->win_num);
2311 static int cfgdone_distlist[10] = { 0 };
2313 static int cfgdone_index;
2314 static int cfgdone_lasttime;
2316 int rk_get_real_fps(int before)
2318 struct timespec now;
2324 int index = cfgdone_index;
2333 getnstimeofday(&now);
2334 dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2340 for (i = 0; i < 10; i++) {
2343 total += cfgdone_distlist[index];
2345 dist_first = cfgdone_distlist[index];
2346 if (total < (before * 1000)) {
2348 printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2350 dist_total += cfgdone_distlist[index];
2358 printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2360 dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2361 dist_total += dist_curr;
2365 fps = (1000000 * dist_count) / dist_total;
2370 printk("curr2 %d, fps=%d\n", dist_curr, fps);
2374 EXPORT_SYMBOL(rk_get_real_fps);
2377 #ifdef CONFIG_ROCKCHIP_IOMMU
2379 static struct ion_handle *ion_hanle[ION_MAX];
2380 static struct ion_handle *ion_hwc[1];
2382 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2385 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2386 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2387 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2388 struct fb_fix_screeninfo *fix = &info->fix;
2389 struct rk_lcdc_win *win;
2390 int enable; /* enable fb:1 enable;0 disable */
2391 int ovl; /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2392 int num_buf; /* buffer_number */
2394 struct rk_fb_win_cfg_data win_data;
2395 unsigned int dsp_addr[4][4];
2398 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2400 void __user *argp = (void __user *)arg;
2401 win = dev_drv->win[win_id];
2404 case RK_FBIOSET_HWC_ADDR:
2407 if (copy_from_user(hwc_phy, argp, 4))
2409 #ifdef CONFIG_ROCKCHIP_IOMMU
2410 if (!dev_drv->iommu_enabled) {
2412 fix->smem_start = hwc_phy[0];
2413 #ifdef CONFIG_ROCKCHIP_IOMMU
2416 struct ion_handle *hdl;
2417 ion_phys_addr_t phy_addr;
2420 usr_fd = hwc_phy[0];
2422 fix->smem_start = 0;
2423 fix->mmio_start = 0;
2424 dev_drv->ops->open(dev_drv, win_id, 0);
2428 if (ion_hwc[0] != 0) {
2429 ion_free(rk_fb->ion_client, ion_hwc[0]);
2433 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2435 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2440 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2441 (unsigned long *)&phy_addr,
2442 (unsigned long *)&len);
2444 dev_err(info->dev, "ion map to get hwc phy addr failed");
2445 ion_free(rk_fb->ion_client, hdl);
2448 fix->smem_start = phy_addr;
2454 case RK_FBIOSET_YUV_ADDR:
2458 if (copy_from_user(yuv_phy, argp, 8))
2460 #ifdef CONFIG_ROCKCHIP_IOMMU
2461 if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2463 fix->smem_start = yuv_phy[0];
2464 fix->mmio_start = yuv_phy[1];
2465 #ifdef CONFIG_ROCKCHIP_IOMMU
2467 int usr_fd, offset, tmp;
2468 struct ion_handle *hdl;
2469 ion_phys_addr_t phy_addr;
2472 usr_fd = yuv_phy[0];
2473 offset = yuv_phy[1] - yuv_phy[0];
2475 fix->smem_start = 0;
2476 fix->mmio_start = 0;
2480 if (ion_hanle[ION_MAX - 1] != 0) {
2481 /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2482 /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2483 ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2484 ion_hanle[ION_MAX - 1] = 0;
2487 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2489 dev_err(info->dev, "failed to get ion handle:%ld\n",
2494 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2495 (unsigned long *)&phy_addr,
2496 (unsigned long *)&len);
2498 dev_err(info->dev, "ion map to get phy addr failed");
2499 ion_free(rk_fb->ion_client, hdl);
2502 fix->smem_start = phy_addr;
2503 fix->mmio_start = phy_addr + offset;
2504 fix->smem_len = len;
2505 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2508 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2509 ion_hanle[tmp] = ion_hanle[tmp - 1];
2515 case RK_FBIOSET_ENABLE:
2516 if (copy_from_user(&enable, argp, sizeof(enable)))
2518 if (enable && fb_par->state)
2522 dev_drv->ops->open(dev_drv, win_id, enable);
2524 case RK_FBIOGET_ENABLE:
2525 enable = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
2526 if (copy_to_user(argp, &enable, sizeof(enable)))
2529 case RK_FBIOSET_OVERLAY_STA:
2530 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2532 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2534 case RK_FBIOGET_OVERLAY_STA:
2535 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2536 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2539 case RK_FBIOPUT_NUM_BUFFERS:
2540 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2542 dev_drv->num_buf = num_buf;
2544 case RK_FBIOSET_VSYNC_ENABLE:
2545 if (copy_from_user(&enable, argp, sizeof(enable)))
2547 dev_drv->vsync_info.active = enable;
2550 case RK_FBIOGET_DSP_ADDR:
2551 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2552 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2555 case RK_FBIOGET_LIST_STA:
2556 list_stat = rk_fb_get_list_stat(dev_drv);
2557 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2561 case RK_FBIOGET_IOMMU_STA:
2562 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2563 sizeof(dev_drv->iommu_enabled)))
2566 #if defined(CONFIG_ION_ROCKCHIP)
2567 case RK_FBIOSET_DMABUF_FD:
2570 struct ion_handle *hdl;
2571 ion_phys_addr_t phy_addr;
2573 if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2575 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2576 ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2577 fix->smem_start = phy_addr;
2580 case RK_FBIOGET_DMABUF_FD:
2584 if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2586 "get dma_buf fd failed,ion handle is err\n");
2587 return PTR_ERR(fb_par->ion_hdl);
2589 fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2593 "ion_share_dma_buf_fd failed\n");
2596 if (copy_to_user(argp, &fd, sizeof(fd)))
2601 case RK_FBIOSET_CLEAR_FB:
2602 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2604 case RK_FBIOSET_CONFIG_DONE:
2607 struct timespec now;
2609 getnstimeofday(&now);
2610 curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2611 cfgdone_distlist[cfgdone_index++] =
2612 curr - cfgdone_lasttime;
2614 printk("%d ", curr - cfgdone_lasttime);
2616 cfgdone_lasttime = curr;
2617 if (cfgdone_index >= 10)
2620 if (copy_from_user(&win_data,
2621 (struct rk_fb_win_cfg_data __user *)argp,
2622 sizeof(win_data))) {
2627 dev_drv->wait_fs = win_data.wait_fs;
2628 rk_fb_set_win_config(info, &win_data);
2630 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2631 &win_data, sizeof(win_data))) {
2635 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2638 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2645 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2647 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2648 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2649 struct fb_fix_screeninfo *fix = &info->fix;
2651 #if defined(CONFIG_RK_HDMI)
2652 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2655 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2658 #if defined(CONFIG_RK_HDMI)
2659 if ((rk_fb->disp_mode == ONE_DUAL) &&
2660 (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2661 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2665 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2670 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2672 if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2673 (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2674 ((16 != var->bits_per_pixel) &&
2675 (32 != var->bits_per_pixel) &&
2676 (24 != var->bits_per_pixel))) {
2677 dev_err(info->dev, "%s check var fail 1:\n"
2678 "xres_vir:%d>>yres_vir:%d\n"
2679 "xres:%d>>yres:%d\n"
2680 "bits_per_pixel:%d\n",
2684 var->xres, var->yres, var->bits_per_pixel);
2688 if (((var->xoffset + var->xres) > var->xres_virtual) ||
2689 ((var->yoffset + var->yres) > (var->yres_virtual))) {
2690 dev_err(info->dev, "%s check_var fail 2:\n"
2691 "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2692 "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2697 var->yoffset, var->yres, var->yres_virtual);
2704 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2705 size_t count, loff_t *ppos)
2707 unsigned long p = *ppos;
2710 int c, cnt = 0, err = 0;
2711 unsigned long total_size;
2712 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2713 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2714 struct rk_lcdc_win *win = NULL;
2717 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2721 win = dev_drv->win[win_id];
2723 /* only read the current frame buffer */
2724 if (win->area[0].format == RGB565) {
2725 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2726 } else if ((win->area[0].format == YUV420) ||
2727 (win->area[0].format == YUV420_NV21)) {
2729 (win->area[0].y_vir_stride * win->area[0].yact * 6);
2731 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2733 if (p >= total_size)
2736 if (count >= total_size)
2739 if (count + p > total_size)
2740 count = total_size - p;
2742 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2746 src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2749 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2751 fb_memcpy_fromfb(dst, src, c);
2755 if (copy_to_user(buf, buffer, c)) {
2767 return (err) ? err : cnt;
2770 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2771 size_t count, loff_t *ppos)
2773 unsigned long p = *ppos;
2776 int c, cnt = 0, err = 0;
2777 unsigned long total_size;
2778 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2779 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2780 struct rk_lcdc_win *win = NULL;
2783 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2787 win = dev_drv->win[win_id];
2789 /* write the current frame buffer */
2790 if (win->area[0].format == RGB565)
2791 total_size = win->area[0].xact * win->area[0].yact << 1;
2793 total_size = win->area[0].xact * win->area[0].yact << 2;
2798 if (count > total_size) {
2803 if (count + p > total_size) {
2807 count = total_size - p;
2810 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2814 dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2817 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2820 if (copy_from_user(src, buf, c)) {
2825 fb_memcpy_tofb(dst, src, c);
2836 return (cnt) ? cnt : err;
2839 static int rk_fb_set_par(struct fb_info *info)
2841 struct fb_var_screeninfo *var = &info->var;
2842 struct fb_fix_screeninfo *fix = &info->fix;
2843 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2844 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2845 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2846 struct rk_lcdc_win *win = NULL;
2847 struct rk_screen *screen = dev_drv->cur_screen;
2849 u32 cblen = 0, crlen = 0;
2850 u16 xsize = 0, ysize = 0; /* winx display window height/width --->LCDC_WINx_DSP_INFO */
2851 u32 xoffset = var->xoffset; /* offset from virtual to visible */
2852 u32 yoffset = var->yoffset;
2853 u16 xpos = (var->nonstd >> 8) & 0xfff; /*visiable pos in panel */
2854 u16 ypos = (var->nonstd >> 20) & 0xfff;
2855 u32 xvir = var->xres_virtual;
2856 u32 yvir = var->yres_virtual;
2857 u8 data_format = var->nonstd & 0xff;
2861 u32 stride, uv_stride;
2864 u16 uv_x_off, uv_y_off, uv_y_act;
2866 /*var->pixclock = dev_drv->pixclock;*/
2867 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2871 win = dev_drv->win[win_id];
2873 /* if the application has specific the horizontal and vertical display size */
2874 if (var->grayscale >> 8) {
2875 xsize = (var->grayscale >> 8) & 0xfff;
2876 ysize = (var->grayscale >> 20) & 0xfff;
2877 if (xsize > screen->mode.xres)
2878 xsize = screen->mode.xres;
2879 if (ysize > screen->mode.yres)
2880 ysize = screen->mode.yres;
2881 } else { /*ohterwise full screen display */
2882 xsize = screen->mode.xres;
2883 ysize = screen->mode.yres;
2886 fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
2887 if (fb_data_fmt >= FBDC_RGB_565) {
2888 win->area[0].fbdc_en = 1;
2889 win->area[0].fbdc_cor_en = 1;
2891 win->area[0].fbdc_en = 0;
2892 win->area[0].fbdc_cor_en = 0;
2894 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2895 vir_width_bit = pixel_width * xvir;
2896 /* pixel_width = byte_num * 8 */
2897 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
2898 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
2900 switch (fb_data_fmt) {
2904 stride = stride_32bit_1;
2905 uv_stride = stride_32bit_1 >> 1;
2906 uv_x_off = xoffset >> 1;
2908 fix->line_length = stride;
2909 cblen = crlen = (xvir * yvir) >> 1;
2910 uv_y_act = win->area[0].yact >> 1;
2912 case YUV420: /* nv12 */
2913 case YUV420_NV21: /* nv21 */
2916 stride = stride_32bit_1;
2917 uv_stride = stride_32bit_1;
2919 uv_y_off = yoffset >> 1;
2920 fix->line_length = stride;
2921 cblen = crlen = (xvir * yvir) >> 2;
2922 uv_y_act = win->area[0].yact >> 1;
2927 stride = stride_32bit_1;
2928 uv_stride = stride_32bit_2;
2929 uv_x_off = xoffset * 2;
2931 fix->line_length = stride << 2;
2932 cblen = crlen = (xvir * yvir);
2933 uv_y_act = win->area[0].yact;
2936 stride = stride_32bit_1; /* default rgb */
2937 fix->line_length = stride;
2941 win->area[0].format = fb_data_fmt;
2942 win->area[0].y_vir_stride = stride >> 2;
2943 win->area[0].uv_vir_stride = uv_stride >> 2;
2944 win->area[0].xpos = xpos;
2945 win->area[0].ypos = ypos;
2946 win->area[0].xsize = xsize;
2947 win->area[0].ysize = ysize;
2948 win->area[0].xact = var->xres; /* winx active window height,is a wint of vir */
2949 win->area[0].yact = var->yres;
2950 win->area[0].xvir = var->xres_virtual; /* virtual resolution stride --->LCDC_WINx_VIR */
2951 win->area[0].yvir = var->yres_virtual;
2952 win->area[0].xoff = xoffset;
2953 win->area[0].yoff = yoffset;
2956 win->alpha_mode = 4; /* AB_SRC_OVER; */
2957 win->alpha_en = ((win->area[0].format == ARGB888) ||
2958 (win->area[0].format == FBDC_ARGB_888) ||
2959 (win->area[0].format == FBDC_ABGR_888) ||
2960 (win->area[0].format == ABGR888)) ? 1 : 0;
2961 win->g_alpha_val = 0;
2963 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
2964 (win->area[0].format == YUV420 ||
2965 win->area[0].format == YUV420_NV21 ||
2966 win->area[0].format == YUV420_A)) {
2970 dev_drv->ops->set_par(dev_drv, win_id);
2975 static inline unsigned int chan_to_field(unsigned int chan,
2976 struct fb_bitfield *bf)
2979 chan >>= 16 - bf->length;
2980 return chan << bf->offset;
2983 static int fb_setcolreg(unsigned regno,
2984 unsigned red, unsigned green, unsigned blue,
2985 unsigned transp, struct fb_info *info)
2989 switch (info->fix.visual) {
2990 case FB_VISUAL_TRUECOLOR:
2991 /* true-colour, use pseudo-palette */
2993 u32 *pal = info->pseudo_palette;
2994 val = chan_to_field(red, &info->var.red);
2995 val |= chan_to_field(green, &info->var.green);
2996 val |= chan_to_field(blue, &info->var.blue);
3001 return -1; /* unknown type */
3007 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3009 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3010 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3011 struct ion_handle *handle = fb_par->ion_hdl;
3012 struct dma_buf *dma_buf = NULL;
3014 if (IS_ERR_OR_NULL(handle)) {
3015 dev_err(info->dev, "failed to get ion handle:%ld\n",
3019 dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3020 if (IS_ERR_OR_NULL(dma_buf)) {
3021 printk("get ion share dma buf failed\n");
3025 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3027 return dma_buf_mmap(dma_buf, vma, 0);
3030 static struct fb_ops fb_ops = {
3031 .owner = THIS_MODULE,
3032 .fb_open = rk_fb_open,
3033 .fb_release = rk_fb_close,
3034 .fb_check_var = rk_fb_check_var,
3035 .fb_set_par = rk_fb_set_par,
3036 .fb_blank = rk_fb_blank,
3037 .fb_ioctl = rk_fb_ioctl,
3038 .fb_compat_ioctl = rk_fb_ioctl,
3039 .fb_pan_display = rk_fb_pan_display,
3040 .fb_read = rk_fb_read,
3041 .fb_write = rk_fb_write,
3042 .fb_setcolreg = fb_setcolreg,
3043 .fb_fillrect = cfb_fillrect,
3044 .fb_copyarea = cfb_copyarea,
3045 .fb_imageblit = cfb_imageblit,
3048 static struct fb_var_screeninfo def_var = {
3049 #if defined(CONFIG_LOGO_LINUX_BMP)
3053 .transp = {0, 0, 0},
3054 .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3059 .transp = {0, 0, 0},
3060 .nonstd = HAL_PIXEL_FORMAT_RGB_565, /* (ypos<<20+xpos<<8+format) format */
3062 .grayscale = 0, /* (ysize<<20+xsize<<8) */
3063 .activate = FB_ACTIVATE_NOW,
3065 .vmode = FB_VMODE_NONINTERLACED,
3068 static struct fb_fix_screeninfo def_fix = {
3069 .type = FB_TYPE_PACKED_PIXELS,
3074 .accel = FB_ACCEL_NONE,
3075 .visual = FB_VISUAL_TRUECOLOR,
3079 static int rk_fb_wait_for_vsync_thread(void *data)
3081 struct rk_lcdc_driver *dev_drv = data;
3082 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3083 struct fb_info *fbi = rk_fb->fb[0];
3085 while (!kthread_should_stop()) {
3086 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3087 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3088 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3089 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3092 sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3098 static ssize_t rk_fb_vsync_show(struct device *dev,
3099 struct device_attribute *attr, char *buf)
3101 struct fb_info *fbi = dev_get_drvdata(dev);
3102 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3103 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3104 return scnprintf(buf, PAGE_SIZE, "%llu\n",
3105 ktime_to_ns(dev_drv->vsync_info.timestamp));
3108 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3111 * this two function is for other module that in the kernel which
3112 * need show image directly through fb
3113 * fb_id:we have 4 fb here,default we use fb0 for ui display
3115 struct fb_info *rk_get_fb(int fb_id)
3117 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3118 struct fb_info *fb = inf->fb[fb_id];
3121 EXPORT_SYMBOL(rk_get_fb);
3123 void rk_direct_fb_show(struct fb_info *fbi)
3126 rk_fb_pan_display(&fbi->var, fbi);
3128 EXPORT_SYMBOL(rk_direct_fb_show);
3130 int rk_fb_dpi_open(bool open)
3132 struct rk_lcdc_driver *dev_drv = NULL;
3133 dev_drv = rk_get_prmry_lcdc_drv();
3135 if (dev_drv->ops->dpi_open)
3136 dev_drv->ops->dpi_open(dev_drv, open);
3140 int rk_fb_dpi_win_sel(int win_id)
3142 struct rk_lcdc_driver *dev_drv = NULL;
3143 dev_drv = rk_get_prmry_lcdc_drv();
3145 if (dev_drv->ops->dpi_win_sel)
3146 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3150 int rk_fb_dpi_status(void)
3153 struct rk_lcdc_driver *dev_drv = NULL;
3155 dev_drv = rk_get_prmry_lcdc_drv();
3156 if (dev_drv->ops->dpi_status)
3157 ret = dev_drv->ops->dpi_status(dev_drv);
3163 * function: this function will be called by display device, enable/disable lcdc
3164 * @screen: screen timing to be set to lcdc
3165 * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3166 * @lcdc_id: the lcdc id the display device attached ,0 or 1
3168 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3170 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3171 struct fb_info *info = NULL;
3172 struct rk_fb_par *fb_par = NULL;
3173 struct rk_lcdc_driver *dev_drv = NULL;
3175 int i, win_id, load_screen = 0;
3178 if (unlikely(!rk_fb) || unlikely(!screen))
3181 /* get lcdc driver */
3182 sprintf(name, "lcdc%d", lcdc_id);
3183 if (rk_fb->disp_mode != DUAL)
3184 dev_drv = rk_fb->lcdc_dev_drv[0];
3186 dev_drv = rk_get_lcdc_drv(name);
3188 if (dev_drv == NULL) {
3189 printk(KERN_ERR "%s driver not found!", name);
3192 if (screen->type == SCREEN_HDMI)
3193 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3195 else if (screen->type == SCREEN_TVOUT ||
3196 screen->type == SCREEN_TVOUT_TEST )
3197 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3199 if (enable == 2 /*&& dev_drv->enable*/)
3201 hdmi_switch_state = 0;
3202 dev_drv->hdmi_switch = 1;
3204 envp[0] = "switch screen";
3205 envp[1] = kmalloc(32, GFP_KERNEL);
3206 if (envp[1] == NULL)
3208 sprintf(envp[1], "SCREEN=%d,ENABLE=%d", screen->type, enable);
3211 if ((rk_fb->disp_mode == ONE_DUAL) ||
3212 (rk_fb->disp_mode == NO_DUAL)) {
3213 if ((dev_drv->ops->backlight_close) &&
3214 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3215 dev_drv->ops->backlight_close(dev_drv, 1);
3216 if (dev_drv->ops->dsp_black)
3217 dev_drv->ops->dsp_black(dev_drv, 1);
3218 if ((dev_drv->ops->set_screen_scaler) &&
3219 (rk_fb->disp_mode == ONE_DUAL))
3220 dev_drv->ops->set_screen_scaler(dev_drv,
3221 dev_drv->screen0, 0);
3223 if (dev_drv->uboot_logo && (screen->type != dev_drv->cur_screen->type))
3224 dev_drv->uboot_logo = 0;
3226 /* if screen type is different, we do not disable lcdc. */
3227 if (dev_drv->cur_screen->type != screen->type) {
3228 dev_drv->hdmi_switch = 0;
3232 /* if used one lcdc to dual disp, no need to close win */
3233 if ((rk_fb->disp_mode == ONE_DUAL) ||
3234 ((rk_fb->disp_mode == NO_DUAL) &&
3235 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))) {
3236 dev_drv->cur_screen = dev_drv->screen0;
3237 dev_drv->ops->load_screen(dev_drv, 1);
3238 /* force modify dsp size */
3239 info = rk_fb->fb[dev_drv->fb_index_base];
3240 info->var.grayscale &= 0xff;
3241 info->var.grayscale |=
3242 (dev_drv->cur_screen->mode.xres << 8) +
3243 (dev_drv->cur_screen->mode.yres << 20);
3244 mutex_lock(&dev_drv->win_config);
3245 info->var.yoffset = 0;
3246 info->fbops->fb_set_par(info);
3247 info->fbops->fb_pan_display(&info->var, info);
3248 mutex_unlock(&dev_drv->win_config);
3250 /*if (dev_drv->ops->dsp_black)
3251 dev_drv->ops->dsp_black(dev_drv, 0);*/
3252 if ((dev_drv->ops->backlight_close) &&
3253 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3254 dev_drv->ops->backlight_close(dev_drv, 0);
3255 } else if (rk_fb->num_lcdc > 1) {
3256 /* If there is more than one lcdc device, we disable
3257 the layer which attached to this device */
3258 dev_drv->suspend_flag = 1;
3259 flush_kthread_worker(&dev_drv->update_regs_worker);
3260 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3261 if (dev_drv->win[i] && dev_drv->win[i]->state)
3262 dev_drv->ops->open(dev_drv, i, 0);
3265 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3268 hdmi_switch_state = 0;
3269 dev_drv->hdmi_switch = 0;
3272 if (dev_drv->screen1)
3273 dev_drv->cur_screen = dev_drv->screen1;
3275 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3276 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3277 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3278 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3279 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3281 if ((!dev_drv->uboot_logo) ||
3282 (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3283 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3284 info = rk_fb->fb[dev_drv->fb_index_base + i];
3285 fb_par = (struct rk_fb_par *)info->par;
3286 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3287 if (dev_drv->win[win_id]) {
3288 if (fb_par->state) {
3289 if (!dev_drv->win[win_id]->state) {
3290 dev_drv->ops->open(dev_drv, win_id, 1);
3291 dev_drv->suspend_flag = 0;
3294 dev_drv->ops->load_screen(dev_drv, 1);
3297 info->var.activate |= FB_ACTIVATE_FORCE;
3298 if (rk_fb->disp_mode == ONE_DUAL) {
3299 info->var.grayscale &= 0xff;
3300 info->var.grayscale |=
3301 (dev_drv->cur_screen->xsize << 8) +
3302 (dev_drv->cur_screen->ysize << 20);
3305 mutex_lock(&dev_drv->win_config);
3306 info->var.yoffset = 0;
3307 info->fbops->fb_set_par(info);
3308 info->fbops->fb_pan_display(&info->var, info);
3309 mutex_unlock(&dev_drv->win_config);
3314 dev_drv->uboot_logo = 0;
3316 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3319 hdmi_switch_state = 1;
3320 dev_drv->hdmi_switch = 0;
3321 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3322 if ((dev_drv->ops->set_screen_scaler) &&
3323 (rk_fb->disp_mode == ONE_DUAL))
3324 dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3325 /*if (dev_drv->ops->dsp_black)
3326 dev_drv->ops->dsp_black(dev_drv, 0);*/
3327 if ((dev_drv->ops->backlight_close) &&
3328 (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3329 (rk_fb->disp_mode == ONE_DUAL))
3330 dev_drv->ops->backlight_close(dev_drv, 0);
3336 * function:this function current only called by hdmi for
3338 * scale_x: scale rate of x resolution
3339 * scale_y: scale rate of y resolution
3340 * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3342 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3344 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3345 struct fb_info *info = NULL;
3346 struct fb_info *pmy_info = NULL;
3347 struct fb_var_screeninfo *var = NULL;
3348 struct rk_lcdc_driver *dev_drv = NULL;
3349 u16 screen_x, screen_y;
3352 struct rk_screen primary_screen;
3353 rk_fb_get_prmry_screen(&primary_screen);
3354 if (primary_screen.type == SCREEN_HDMI) {
3357 pr_err("fuck not be hear--%s\n",__func__);
3360 sprintf(name, "lcdc%d", lcdc_id);
3362 if (inf->disp_mode == DUAL) {
3363 dev_drv = rk_get_lcdc_drv(name);
3364 if (dev_drv == NULL) {
3365 printk(KERN_ERR "%s driver not found!", name);
3369 dev_drv = inf->lcdc_dev_drv[0];
3372 if (inf->num_lcdc == 1) {
3374 } else if (inf->num_lcdc == 2) {
3375 info = inf->fb[dev_drv->lcdc_win_num];
3376 pmy_info = inf->fb[0];
3380 screen_x = dev_drv->cur_screen->mode.xres;
3381 screen_y = dev_drv->cur_screen->mode.yres;
3383 if (inf->disp_mode != DUAL && dev_drv->screen1) {
3384 dev_drv->cur_screen->xpos =
3385 (screen_x - screen_x * scale_x / 100) >> 1;
3386 dev_drv->cur_screen->ypos =
3387 (screen_y - screen_y * scale_y / 100) >> 1;
3388 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3389 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3391 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3392 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3393 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3394 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3395 if (inf->disp_mode == ONE_DUAL) {
3396 var->nonstd &= 0xff;
3397 var->nonstd |= (xpos << 8) + (ypos << 20);
3398 var->grayscale &= 0xff;
3400 (dev_drv->cur_screen->xsize << 8) +
3401 (dev_drv->cur_screen->ysize << 20);
3405 mutex_lock(&dev_drv->win_config);
3406 info->fbops->fb_set_par(info);
3407 dev_drv->ops->cfg_done(dev_drv);
3408 mutex_unlock(&dev_drv->win_config);
3413 #if defined(CONFIG_ION_ROCKCHIP)
3414 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3415 struct rk_lcdc_win *win,
3416 unsigned long fb_mem_size)
3418 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3419 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3420 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3421 struct ion_handle *handle;
3422 ion_phys_addr_t phy_addr;
3426 if (dev_drv->iommu_enabled)
3427 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3428 ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3430 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3431 ION_HEAP(ION_CMA_HEAP_ID), 0);
3432 if (IS_ERR(handle)) {
3433 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3438 fb_par->ion_hdl = handle;
3439 win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3440 if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3441 printk("ion_share_dma_buf() failed\n");
3442 goto err_share_dma_buf;
3444 win->area[0].ion_hdl = handle;
3445 if (dev_drv->prop == PRMRY)
3446 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3447 #ifdef CONFIG_ROCKCHIP_IOMMU
3448 if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3449 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3450 (unsigned long *)&phy_addr,
3451 (unsigned long *)&len);
3453 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3455 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3458 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3459 goto err_share_dma_buf;
3461 fbi->fix.smem_start = phy_addr;
3462 fbi->fix.smem_len = len;
3463 printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3467 ion_free(rk_fb->ion_client, handle);
3472 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3474 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3475 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3476 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3477 struct rk_lcdc_win *win = NULL;
3480 unsigned long fb_mem_size;
3481 #if !defined(CONFIG_ION_ROCKCHIP)
3482 dma_addr_t fb_mem_phys;
3486 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3490 win = dev_drv->win[win_id];
3492 if (!strcmp(fbi->fix.id, "fb0")) {
3493 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3494 #if defined(CONFIG_ION_ROCKCHIP)
3495 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3498 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3499 &fb_mem_phys, GFP_KERNEL);
3501 pr_err("%s: Failed to allocate framebuffer\n",
3505 fbi->fix.smem_len = fb_mem_size;
3506 fbi->fix.smem_start = fb_mem_phys;
3507 fbi->screen_base = fb_mem_virt;
3509 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3511 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3512 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3513 fbi->screen_base = rk_fb->fb[0]->screen_base;
3516 fbi->screen_size = fbi->fix.smem_len;
3517 fb_par->fb_phy_base = fbi->fix.smem_start;
3518 fb_par->fb_virt_base = fbi->screen_base;
3519 fb_par->fb_size = fbi->fix.smem_len;
3521 pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3522 fbi->fix.smem_start, fbi->screen_base,
3528 static int rk_release_fb_buffer(struct fb_info *fbi)
3530 /* buffer for fb1 and fb3 are alloc by android */
3531 if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3533 iounmap(fbi->screen_base);
3534 release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3539 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3540 struct rk_lcdc_win *def_win)
3543 int lcdc_win_num = dev_drv->lcdc_win_num;
3545 for (i = 0; i < lcdc_win_num; i++) {
3546 struct rk_lcdc_win *win = NULL;
3547 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3549 dev_err(dev_drv->dev, "kzmalloc for win fail!");
3553 strcpy(win->name, def_win[i].name);
3554 win->id = def_win[i].id;
3555 win->support_3d = def_win[i].support_3d;
3556 dev_drv->win[i] = win;
3562 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3563 struct rk_lcdc_win *def_win, int index)
3565 struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3566 struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3567 sizeof(struct rk_screen),
3571 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3576 screen->screen_id = 0;
3577 screen->lcdc_id = dev_drv->id;
3578 screen->overscan.left = 100;
3579 screen->overscan.top = 100;
3580 screen->overscan.right = 100;
3581 screen->overscan.bottom = 100;
3583 screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3584 screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3586 dev_drv->screen0 = screen;
3587 dev_drv->cur_screen = screen;
3588 /* devie use one lcdc + rk61x scaler for dual display */
3589 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3590 struct rk_screen *screen1 =
3591 devm_kzalloc(dev_drv->dev,
3592 sizeof(struct rk_screen),
3595 dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3599 screen1->screen_id = 1;
3600 screen1->lcdc_id = 1;
3601 dev_drv->screen1 = screen1;
3603 sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3604 init_lcdc_win(dev_drv, def_win);
3605 init_completion(&dev_drv->frame_done);
3606 spin_lock_init(&dev_drv->cpl_lock);
3607 mutex_init(&dev_drv->fb_win_id_mutex);
3608 mutex_init(&dev_drv->win_config);
3609 mutex_init(&dev_drv->front_lock);
3610 dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3611 dev_drv->first_frame = 1;
3612 dev_drv->overscan.left = 100;
3613 dev_drv->overscan.top = 100;
3614 dev_drv->overscan.right = 100;
3615 dev_drv->overscan.bottom = 100;
3616 rk_disp_pwr_ctr_parse_dt(dev_drv);
3617 if (dev_drv->prop == PRMRY) {
3618 rk_fb_set_prmry_screen(screen);
3619 rk_fb_get_prmry_screen(screen);
3621 dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3622 if (dev_drv->prop != PRMRY)
3623 rk_fb_get_prmry_screen(screen);
3624 dev_drv->output_color = screen->color_mode;
3629 #ifdef CONFIG_LOGO_LINUX_BMP
3630 static struct linux_logo *bmp_logo;
3631 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3633 bmp_logo = fb_find_logo(24);
3634 if (bmp_logo == NULL) {
3635 printk(KERN_INFO "%s error\n", __func__);
3641 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3643 unsigned char *src = bmp_logo->data;
3644 unsigned char *dst = info->screen_base;
3646 unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3647 unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3649 for (i = 0; i < Needheight; i++)
3650 memcpy(dst + info->var.xres * i * 4,
3651 src + bmp_logo->width * i * 4, Needwidth * 4);
3656 * check if the primary lcdc has registerd,
3657 * the primary lcdc mas register first
3659 bool is_prmry_rk_lcdc_registered(void)
3661 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3663 if (rk_fb->lcdc_dev_drv[0])
3669 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3670 struct rk_lcdc_win *win, int id)
3672 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3673 struct fb_info *fbi;
3674 struct rk_fb_par *fb_par = NULL;
3675 int i = 0, ret = 0, index = 0;
3677 if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3680 for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3681 if (!rk_fb->lcdc_dev_drv[i]) {
3682 rk_fb->lcdc_dev_drv[i] = dev_drv;
3683 rk_fb->lcdc_dev_drv[i]->id = id;
3690 init_lcdc_device_driver(rk_fb, win, index);
3691 dev_drv->fb_index_base = rk_fb->num_fb;
3692 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3693 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3695 dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3698 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
3701 dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
3705 fb_par->id = rk_fb->num_fb;
3706 fb_par->lcdc_drv = dev_drv;
3707 fbi->par = (void *)fb_par;
3710 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3711 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3712 fbi->var.grayscale |=
3713 (fbi->var.xres << 8) + (fbi->var.yres << 20);
3714 #if defined(CONFIG_LOGO_LINUX_BMP)
3715 fbi->var.bits_per_pixel = 32;
3717 fbi->var.bits_per_pixel = 16;
3719 fbi->fix.line_length =
3720 (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3721 fbi->var.width = dev_drv->cur_screen->width;
3722 fbi->var.height = dev_drv->cur_screen->height;
3723 if (dev_drv->iommu_enabled)
3724 fb_ops.fb_mmap = rk_fb_mmap;
3725 fbi->fbops = &fb_ops;
3726 fbi->flags = FBINFO_FLAG_DEFAULT;
3727 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3728 ret = register_framebuffer(fbi);
3730 dev_err(&fb_pdev->dev,
3731 "%s fb%d register_framebuffer fail!\n",
3732 __func__, rk_fb->num_fb);
3735 rkfb_create_sysfs(fbi);
3736 rk_fb->fb[rk_fb->num_fb] = fbi;
3737 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3742 init_waitqueue_head(&dev_drv->vsync_info.wait);
3743 init_waitqueue_head(&dev_drv->update_regs_wait);
3744 ret = device_create_file(fbi->dev, &dev_attr_vsync);
3747 "failed to create vsync file\n");
3748 dev_drv->vsync_info.thread =
3749 kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3751 if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3753 "failed to run vsync thread\n");
3754 dev_drv->vsync_info.thread = NULL;
3756 dev_drv->vsync_info.active = 1;
3758 mutex_init(&dev_drv->output_lock);
3760 INIT_LIST_HEAD(&dev_drv->update_regs_list);
3761 mutex_init(&dev_drv->update_regs_list_lock);
3762 init_kthread_worker(&dev_drv->update_regs_worker);
3764 dev_drv->update_regs_thread =
3765 kthread_run(kthread_worker_fn,
3766 &dev_drv->update_regs_worker, "rk-fb");
3767 if (IS_ERR(dev_drv->update_regs_thread)) {
3768 int err = PTR_ERR(dev_drv->update_regs_thread);
3769 dev_drv->update_regs_thread = NULL;
3771 printk("failed to run update_regs thread\n");
3774 init_kthread_work(&dev_drv->update_regs_work,
3775 rk_fb_update_regs_handler);
3778 sw_sync_timeline_create("fb-timeline");
3779 dev_drv->timeline_max = 1;
3783 /* show logo for primary display device */
3784 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
3785 if (dev_drv->prop == PRMRY) {
3789 struct fb_info *main_fbi = rk_fb->fb[0];
3790 main_fbi->fbops->fb_open(main_fbi, 1);
3791 main_fbi->var.pixclock = dev_drv->pixclock;
3792 #if defined(CONFIG_ROCKCHIP_IOMMU)
3793 if (dev_drv->iommu_enabled) {
3794 if (dev_drv->mmu_dev)
3795 rockchip_iovmm_set_fault_handler(dev_drv->dev,
3796 rk_fb_sysmmu_fault_handler);
3800 rk_fb_alloc_buffer(main_fbi); /* only alloc memory for main fb */
3801 dev_drv->uboot_logo = support_uboot_display();
3803 if (dev_drv->uboot_logo &&
3804 uboot_logo_offset && uboot_logo_base) {
3805 int width, height, bits;
3806 phys_addr_t start = uboot_logo_base + uboot_logo_offset;
3807 unsigned int size = uboot_logo_size - uboot_logo_offset;
3808 unsigned int nr_pages;
3809 struct page **pages;
3813 if (dev_drv->ops->get_dspbuf_info)
3814 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3815 &yact, &format, &dsp_addr);
3816 nr_pages = size >> PAGE_SHIFT;
3817 pages = kzalloc(sizeof(struct page) * nr_pages,
3819 while (i < nr_pages) {
3820 pages[i] = phys_to_page(start);
3824 vaddr = vmap(pages, nr_pages, VM_MAP,
3825 pgprot_writecombine(PAGE_KERNEL));
3827 pr_err("failed to vmap phy addr 0x%lx\n",
3828 (long)(uboot_logo_base +
3829 uboot_logo_offset));
3833 if(bmpdecoder(vaddr, main_fbi->screen_base, &width,
3841 if (dev_drv->uboot_logo &&
3842 (width != xact || height != yact)) {
3843 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
3844 xact, yact, width, height);
3848 if (dev_drv->ops->post_dspbuf) {
3849 dev_drv->ops->post_dspbuf(dev_drv,
3850 main_fbi->fix.smem_start,
3851 rk_fb_data_fmt(0, bits),
3852 width, height, width * bits >> 5);
3854 if (dev_drv->iommu_enabled) {
3855 rk_fb_poll_wait_frame_complete();
3856 if (dev_drv->ops->mmu_en)
3857 dev_drv->ops->mmu_en(dev_drv);
3862 } else if (dev_drv->uboot_logo && uboot_logo_base) {
3863 u32 start = uboot_logo_base;
3864 u32 start_base = start;
3866 unsigned int nr_pages;
3867 struct page **pages;
3870 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3873 logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
3874 if (logo_len > uboot_logo_size ||
3875 logo_len > main_fbi->fix.smem_len) {
3876 pr_err("logo size > uboot reserve buffer size\n");
3880 nr_pages = uboot_logo_size >> PAGE_SHIFT;
3881 pages = kzalloc(sizeof(struct page) * nr_pages,
3883 while (i < nr_pages) {
3884 pages[i] = phys_to_page(start);
3888 vaddr = vmap(pages, nr_pages, VM_MAP,
3889 pgprot_writecombine(PAGE_KERNEL));
3891 pr_err("failed to vmap phy addr 0x%x\n",
3896 memcpy(main_fbi->screen_base, vaddr, logo_len);
3901 dev_drv->ops->post_dspbuf(dev_drv,
3902 main_fbi->fix.smem_start,
3904 xact * rk_fb_pixel_width(format) >> 5);
3905 if (dev_drv->iommu_enabled) {
3906 rk_fb_poll_wait_frame_complete();
3907 if (dev_drv->ops->mmu_en)
3908 dev_drv->ops->mmu_en(dev_drv);
3913 if (dev_drv->iommu_enabled) {
3914 if (dev_drv->ops->mmu_en)
3915 dev_drv->ops->mmu_en(dev_drv);
3919 #if defined(CONFIG_LOGO)
3920 main_fbi->fbops->fb_set_par(main_fbi);
3921 #if defined(CONFIG_LOGO_LINUX_BMP)
3922 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
3923 fb_set_cmap(&main_fbi->cmap, main_fbi);
3924 fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
3927 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
3928 fb_set_cmap(&main_fbi->cmap, main_fbi);
3929 fb_show_logo(main_fbi, FB_ROTATE_UR);
3932 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
3935 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
3936 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
3937 rk_fb_alloc_buffer(extend_fbi);
3943 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
3945 struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
3946 struct fb_info *fbi;
3947 int fb_index_base = dev_drv->fb_index_base;
3948 int fb_num = dev_drv->lcdc_win_num;
3951 if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
3952 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
3953 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
3956 for (i = 0; i < fb_num; i++)
3957 kfree(dev_drv->win[i]);
3959 for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
3960 fbi = fb_inf->fb[i];
3961 unregister_framebuffer(fbi);
3962 /* rk_release_fb_buffer(fbi); */
3963 framebuffer_release(fbi);
3965 fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
3971 static int rk_fb_probe(struct platform_device *pdev)
3973 struct rk_fb *rk_fb = NULL;
3974 struct device_node *np = pdev->dev.of_node;
3978 dev_err(&pdev->dev, "Missing device tree node.\n");
3982 rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
3984 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
3987 platform_set_drvdata(pdev, rk_fb);
3989 if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
3990 rk_fb->disp_mode = mode;
3993 dev_err(&pdev->dev, "no disp-mode node found!");
3997 if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
3998 rk_fb->disp_policy = mode;
3999 pr_info("fb disp policy is %s\n", rk_fb->disp_policy ? "box":"sdk");
4002 if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4003 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
4005 dev_set_name(&pdev->dev, "rockchip-fb");
4006 #if defined(CONFIG_ION_ROCKCHIP)
4007 rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4008 if (IS_ERR(rk_fb->ion_client)) {
4009 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4010 return PTR_ERR(rk_fb->ion_client);
4012 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4017 dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4021 static int rk_fb_remove(struct platform_device *pdev)
4023 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4026 platform_set_drvdata(pdev, NULL);
4030 static void rk_fb_shutdown(struct platform_device *pdev)
4032 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4035 for (i = 0; i < rk_fb->num_lcdc; i++) {
4036 if (!rk_fb->lcdc_dev_drv[i])
4041 static const struct of_device_id rkfb_dt_ids[] = {
4042 {.compatible = "rockchip,rk-fb",},
4046 static struct platform_driver rk_fb_driver = {
4047 .probe = rk_fb_probe,
4048 .remove = rk_fb_remove,
4051 .owner = THIS_MODULE,
4052 .of_match_table = of_match_ptr(rkfb_dt_ids),
4054 .shutdown = rk_fb_shutdown,
4057 static int __init rk_fb_init(void)
4059 return platform_driver_register(&rk_fb_driver);
4062 static void __exit rk_fb_exit(void)
4064 platform_driver_unregister(&rk_fb_driver);
4067 fs_initcall(rk_fb_init);
4068 module_exit(rk_fb_exit);