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];
875 if (!fb_par->state) {
876 if (fb_par->fb_phy_base > 0)
877 info->fix.smem_start = fb_par->fb_phy_base;
878 info->var.xres = dev_drv->screen0->mode.xres;
879 info->var.yres = dev_drv->screen0->mode.yres;
881 info->var.grayscale |=
882 (info->var.xres << 8) + (info->var.yres << 20);
884 info->var.xres_virtual = info->var.xres;
885 info->var.yres_virtual = info->var.yres;
886 #if defined(CONFIG_LOGO_LINUX_BMP)
887 info->var.bits_per_pixel = 32;
889 info->var.bits_per_pixel = 16;
891 info->fix.line_length =
892 (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
893 info->var.width = dev_drv->screen0->width;
894 info->var.height = dev_drv->screen0->height;
895 info->var.pixclock = dev_drv->pixclock;
896 info->var.left_margin = dev_drv->screen0->mode.left_margin;
897 info->var.right_margin = dev_drv->screen0->mode.right_margin;
898 info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
899 info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
900 info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
901 info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
908 #if defined(FB_ROATE_BY_KERNEL)
910 #if defined(CONFIG_RK29_IPP)
911 static int get_ipp_format(int fmt)
913 int ipp_fmt = IPP_XRGB_8888;
915 case HAL_PIXEL_FORMAT_RGBX_8888:
916 case HAL_PIXEL_FORMAT_RGBA_8888:
917 case HAL_PIXEL_FORMAT_BGRA_8888:
918 case HAL_PIXEL_FORMAT_RGB_888:
919 ipp_fmt = IPP_XRGB_8888;
921 case HAL_PIXEL_FORMAT_RGB_565:
922 ipp_fmt = IPP_RGB_565;
924 case HAL_PIXEL_FORMAT_YCbCr_422_SP:
925 ipp_fmt = IPP_Y_CBCR_H2V1;
927 case HAL_PIXEL_FORMAT_YCrCb_NV12:
928 ipp_fmt = IPP_Y_CBCR_H2V2;
930 case HAL_PIXEL_FORMAT_YCrCb_444:
931 ipp_fmt = IPP_Y_CBCR_H1V1;
934 ipp_fmt = IPP_IMGTYPE_LIMIT;
941 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
942 int rotation, int fmt)
947 if (fmt == IPP_XRGB_8888) {
950 } else if (fmt == IPP_RGB_565) {
957 align16 -= 1; /*for YUV, 1 */
958 align64 -= 1; /*for YUV, 7 */
960 if (rotation == IPP_ROT_0) {
961 if (fmt > IPP_RGB_565) {
962 if ((*dst_w & 1) != 0)
964 if ((*dst_h & 1) != 0)
966 if (*dst_vir_w < *dst_w)
970 if ((*dst_w & align64) != 0)
971 *dst_w = (*dst_w + align64) & (~align64);
972 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
974 if (*dst_vir_w < *dst_w)
979 static void fb_copy_by_ipp(struct fb_info *dst_info,
980 struct fb_info *src_info)
982 struct rk29_ipp_req ipp_req;
983 uint32_t rotation = 0;
984 int dst_w, dst_h, dst_vir_w;
986 u8 data_format = (dst_info->var.nonstd) & 0xff;
987 struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
988 struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
989 u16 orientation = ext_dev_drv->rotate_mode;
991 memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
993 switch (orientation) {
995 rotation = IPP_ROT_0;
998 rotation = IPP_ROT_90;
1001 rotation = IPP_ROT_180;
1004 rotation = IPP_ROT_270;
1007 rotation = IPP_ROT_270;
1011 dst_w = dst_info->var.xres;
1012 dst_h = dst_info->var.yres;
1013 dst_vir_w = dst_info->var.xres_virtual;
1014 ipp_fmt = get_ipp_format(data_format);
1015 ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1016 ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1017 ipp_req.src0.w = src_info->var.xres;
1018 ipp_req.src0.h = src_info->var.yres;
1019 ipp_req.src_vir_w = src_info->var.xres_virtual;
1020 ipp_req.src0.fmt = ipp_fmt;
1022 ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1023 ipp_req.dst0.w = dst_w;
1024 ipp_req.dst0.h = dst_h;
1025 ipp_req.dst_vir_w = dst_vir_w;
1026 ipp_req.dst0.fmt = ipp_fmt;
1028 ipp_req.timeout = 100;
1029 ipp_req.flag = rotation;
1030 ipp_blit_sync(&ipp_req);
1035 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1036 static int get_rga_format(int fmt)
1042 rga_fmt = RK_FORMAT_RGBX_8888;
1045 rga_fmt = RK_FORMAT_RGBA_8888;
1048 rga_fmt = RK_FORMAT_BGRA_8888;
1051 rga_fmt = RK_FORMAT_RGB_888;
1054 rga_fmt = RK_FORMAT_RGB_565;
1057 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1060 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1063 rga_fmt = RK_FORMAT_RGBA_8888;
1070 static void rga_win_check(struct rk_lcdc_win *dst_win,
1071 struct rk_lcdc_win *src_win)
1075 format = get_rga_format(src_win->area[0].format);
1076 /* width and height must be even number */
1077 if (format >= RK_FORMAT_YCbCr_422_SP &&
1078 format <= RK_FORMAT_YCrCb_420_P) {
1079 if ((src_win->area[0].xact % 2) != 0)
1080 src_win->area[0].xact += 1;
1081 if ((src_win->area[0].yact % 2) != 0)
1082 src_win->area[0].yact += 1;
1084 if (src_win->area[0].xvir < src_win->area[0].xact)
1085 src_win->area[0].xvir = src_win->area[0].xact;
1086 if (src_win->area[0].yvir < src_win->area[0].yact)
1087 src_win->area[0].yvir = src_win->area[0].yact;
1089 format = get_rga_format(dst_win->area[0].format);
1090 if (format >= RK_FORMAT_YCbCr_422_SP &&
1091 format <= RK_FORMAT_YCrCb_420_P) {
1092 if ((dst_win->area[0].xact % 2) != 0)
1093 dst_win->area[0].xact += 1;
1094 if ((dst_win->area[0].yact % 2) != 0)
1095 dst_win->area[0].yact += 1;
1097 if (dst_win->area[0].xvir < dst_win->area[0].xact)
1098 dst_win->area[0].xvir = dst_win->area[0].xact;
1099 if (dst_win->area[0].yvir < dst_win->area[0].yact)
1100 dst_win->area[0].yvir = dst_win->area[0].yact;
1103 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1104 struct rk_lcdc_win *src_win,
1105 u16 orientation, int iommu_en)
1107 struct rga_req Rga_Request;
1111 memset(&Rga_Request, 0, sizeof(Rga_Request));
1112 rga_win_check(dst_win, src_win);
1114 switch (orientation) {
1116 Rga_Request.rotate_mode = 1;
1117 Rga_Request.sina = 65536;
1118 Rga_Request.cosa = 0;
1119 Rga_Request.dst.act_w = dst_win->area[0].yact;
1120 Rga_Request.dst.act_h = dst_win->area[0].xact;
1121 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1122 Rga_Request.dst.y_offset = 0;
1125 Rga_Request.rotate_mode = 1;
1126 Rga_Request.sina = 0;
1127 Rga_Request.cosa = -65536;
1128 Rga_Request.dst.act_w = dst_win->area[0].xact;
1129 Rga_Request.dst.act_h = dst_win->area[0].yact;
1130 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1131 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1134 Rga_Request.rotate_mode = 1;
1135 Rga_Request.sina = -65536;
1136 Rga_Request.cosa = 0;
1137 Rga_Request.dst.act_w = dst_win->area[0].yact;
1138 Rga_Request.dst.act_h = dst_win->area[0].xact;
1139 Rga_Request.dst.x_offset = 0;
1140 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1143 Rga_Request.rotate_mode = 0;
1144 Rga_Request.dst.act_w = dst_win->area[0].xact;
1145 Rga_Request.dst.act_h = dst_win->area[0].yact;
1146 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1147 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1152 fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1153 Rga_Request.src.yrgb_addr = fd;
1154 fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1155 Rga_Request.dst.yrgb_addr = fd;
1157 Rga_Request.src.yrgb_addr = 0;
1158 Rga_Request.src.uv_addr =
1159 src_win->area[0].smem_start + src_win->area[0].y_offset;
1160 Rga_Request.src.v_addr = 0;
1162 Rga_Request.dst.yrgb_addr = 0;
1163 Rga_Request.dst.uv_addr =
1164 dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1165 Rga_Request.dst.v_addr = 0;
1167 Rga_Request.src.vir_w = src_win->area[0].xvir;
1168 Rga_Request.src.vir_h = src_win->area[0].yvir;
1169 Rga_Request.src.format = get_rga_format(src_win->area[0].format);
1170 Rga_Request.src.act_w = src_win->area[0].xact;
1171 Rga_Request.src.act_h = src_win->area[0].yact;
1172 Rga_Request.src.x_offset = 0;
1173 Rga_Request.src.y_offset = 0;
1175 Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1176 Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1177 Rga_Request.dst.format = get_rga_format(dst_win->area[0].format);
1179 Rga_Request.clip.xmin = 0;
1180 Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1181 Rga_Request.clip.ymin = 0;
1182 Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1183 Rga_Request.scale_mode = 0;
1184 #if defined(CONFIG_ROCKCHIP_IOMMU)
1186 Rga_Request.mmu_info.mmu_en = 1;
1187 Rga_Request.mmu_info.mmu_flag = 1;
1189 Rga_Request.mmu_info.mmu_en = 0;
1190 Rga_Request.mmu_info.mmu_flag = 0;
1193 Rga_Request.mmu_info.mmu_en = 0;
1194 Rga_Request.mmu_info.mmu_flag = 0;
1197 ret = rga_ioctl_kernel(&Rga_Request);
1201 * This function is used for copying fb by RGA Module
1202 * RGA only support copy RGB to RGB
1203 * RGA2 support copy RGB to RGB and YUV to YUV
1205 static void fb_copy_by_rga(struct fb_info *dst_info,
1206 struct fb_info *src_info)
1208 struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1209 struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1210 struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1211 struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1212 int win_id = 0, ext_win_id;
1213 struct rk_lcdc_win *src_win, *dst_win;
1215 win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1216 src_win = dev_drv->win[win_id];
1219 ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1220 dst_win = ext_dev_drv->win[ext_win_id];
1222 win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1223 ext_dev_drv->iommu_enabled);
1227 static int rk_fb_rotate(struct fb_info *dst_info,
1228 struct fb_info *src_info)
1231 #if defined(CONFIG_RK29_IPP)
1232 fb_copy_by_ipp(dst_info, src_info);
1233 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1234 fb_copy_by_rga(dst_info, src_info);
1241 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1242 struct rk_lcdc_win *src_win,
1243 u16 rotate, int iommu_en)
1245 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1246 win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1255 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1256 struct fb_info *info)
1258 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1259 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1260 struct fb_fix_screeninfo *fix = &info->fix;
1262 struct rk_lcdc_win *win = NULL;
1263 struct rk_screen *screen = dev_drv->cur_screen;
1264 u32 xoffset = var->xoffset;
1265 u32 yoffset = var->yoffset;
1266 u32 xvir = var->xres_virtual;
1269 u32 stride, uv_stride;
1272 u16 uv_x_off, uv_y_off, uv_y_act;
1275 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1279 win = dev_drv->win[win_id];
1281 pixel_width = rk_fb_pixel_width(win->area[0].format);
1282 vir_width_bit = pixel_width * xvir;
1283 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1284 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1286 switch (win->area[0].format) {
1290 stride = stride_32bit_1;
1291 uv_stride = stride_32bit_1 >> 1;
1292 uv_x_off = xoffset >> 1;
1294 fix->line_length = stride;
1295 uv_y_act = win->area[0].yact >> 1;
1297 case YUV420: /* nv12 */
1298 case YUV420_NV21: /* nv21 */
1301 stride = stride_32bit_1;
1302 uv_stride = stride_32bit_1;
1304 uv_y_off = yoffset >> 1;
1305 fix->line_length = stride;
1306 uv_y_act = win->area[0].yact >> 1;
1311 stride = stride_32bit_1;
1312 uv_stride = stride_32bit_2;
1313 uv_x_off = xoffset * 2;
1315 fix->line_length = stride << 2;
1316 uv_y_act = win->area[0].yact;
1319 stride = stride_32bit_1; /* default rgb */
1320 fix->line_length = stride;
1324 /* x y mirror ,jump line */
1325 if ((screen->y_mirror == 1) ||
1326 (win->mirror_en == 1)) {
1327 if (screen->interlace == 1) {
1328 win->area[0].y_offset = yoffset * stride * 2 +
1329 ((win->area[0].yact - 1) * 2 + 1) * stride +
1330 xoffset * pixel_width / 8;
1332 win->area[0].y_offset = yoffset * stride +
1333 (win->area[0].yact - 1) * stride +
1334 xoffset * pixel_width / 8;
1337 if (screen->interlace == 1) {
1338 win->area[0].y_offset =
1339 yoffset * stride * 2 + xoffset * pixel_width / 8;
1341 win->area[0].y_offset =
1342 yoffset * stride + xoffset * pixel_width / 8;
1345 if (is_pic_yuv == 1) {
1346 if ((screen->y_mirror == 1) ||
1347 (win->mirror_en == 1)) {
1348 if (screen->interlace == 1) {
1349 win->area[0].c_offset =
1350 uv_y_off * uv_stride * 2 +
1351 ((uv_y_act - 1) * 2 + 1) * uv_stride +
1352 uv_x_off * pixel_width / 8;
1354 win->area[0].c_offset = uv_y_off * uv_stride +
1355 (uv_y_act - 1) * uv_stride +
1356 uv_x_off * pixel_width / 8;
1359 if (screen->interlace == 1) {
1360 win->area[0].c_offset =
1361 uv_y_off * uv_stride * 2 +
1362 uv_x_off * pixel_width / 8;
1364 win->area[0].c_offset =
1365 uv_y_off * uv_stride +
1366 uv_x_off * pixel_width / 8;
1371 win->area[0].smem_start = fix->smem_start;
1372 win->area[0].cbr_start = fix->mmio_start;
1373 win->area[0].state = 1;
1376 dev_drv->ops->pan_display(dev_drv, win_id);
1378 #ifdef CONFIG_FB_MIRRORING
1379 if (video_data_to_mirroring)
1380 video_data_to_mirroring(info, NULL);
1382 /*if not want the config effect,set reserved[3] bit[0] 1*/
1383 if (likely((var->reserved[3] & 0x1) == 0))
1384 dev_drv->ops->cfg_done(dev_drv);
1389 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1393 i = list_empty(&dev_drv->update_regs_list);
1394 j = list_empty(&dev_drv->saved_list);
1395 return i == j ? 0 : 1;
1398 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1400 int err = sync_fence_wait(fence, 1000);
1406 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1409 printk("error waiting on fence\n");
1412 static int rk_fb_copy_from_loader(struct fb_info *info)
1414 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1415 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1416 void *dst = info->screen_base;
1421 struct rk_lcdc_win *win;
1423 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1424 win = dev_drv->win[win_id];
1425 size = (win->area[0].xact) * (win->area[0].yact) << 2;
1426 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1427 src = dsp_addr[win_id];
1428 dev_info(info->dev, "copy fb data %d x %d from dst_addr:%08x\n",
1429 win->area[0].xact, win->area[0].yact, src);
1430 for (i = 0; i < size; i += PAGE_SIZE) {
1431 void *page = phys_to_page(i + src);
1432 void *from_virt = kmap(page);
1433 void *to_virt = dst + i;
1434 memcpy(to_virt, from_virt, PAGE_SIZE);
1436 dev_drv->ops->direct_set_addr(dev_drv, win_id,
1437 info->fix.smem_start);
1441 #ifdef CONFIG_ROCKCHIP_IOMMU
1442 static int g_last_addr[4][4];
1447 #define DUMP_CHUNK 256
1448 char buf[PAGE_SIZE];
1450 int rk_fb_sysmmu_fault_handler(struct device *dev,
1451 enum rk_iommu_inttype itype,
1452 unsigned long pgtable_base,
1453 unsigned long fault_addr, unsigned int status)
1455 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1457 static int page_fault_cnt;
1458 if ((page_fault_cnt++) >= 10)
1461 ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1462 fault_addr, pgtable_base, status);
1463 pr_info("last config addr:\n");
1464 for (i = 0; i < 4; i++) {
1465 for (j = 0; j < 4; j++)
1466 pr_info("win[%d],area[%d] = 0x%08x\n",
1467 i, j, g_last_addr[i][j]);
1469 pr_info("last freed buffer:\n");
1470 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1471 printk("%d:0x%08x\n", i, freed_addr[i]);
1472 printk("last timeout:%d\n", g_last_timeout);
1473 dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1474 for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1475 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1476 char c = buf[i + DUMP_CHUNK];
1477 buf[i + DUMP_CHUNK] = 0;
1478 pr_cont("%s", buf + i);
1479 buf[i + DUMP_CHUNK] = c;
1481 buf[PAGE_SIZE - 1] = 0;
1482 pr_cont("%s", buf + i);
1490 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1491 struct rk_fb_reg_win_data *reg_win_data)
1494 struct rk_fb_reg_area_data *area_data;
1495 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1497 for (i = 0; i < reg_win_data->area_num; i++) {
1498 area_data = ®_win_data->reg_area_data[i];
1499 index_buf = area_data->index_buf;
1500 #if defined(CONFIG_ROCKCHIP_IOMMU)
1501 if (dev_drv->iommu_enabled) {
1502 if ((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
1503 (area_data->ion_handle != NULL))
1504 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1505 area_data->ion_handle);
1506 freed_addr[freed_index++] = area_data->smem_start;
1509 if (area_data->ion_handle != NULL)
1510 ion_free(rk_fb->ion_client, area_data->ion_handle);
1512 if (area_data->acq_fence)
1513 sync_fence_put(area_data->acq_fence);
1515 memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1518 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1519 struct rk_lcdc_win *win,
1520 struct rk_fb_reg_win_data *reg_win_data)
1523 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1524 struct rk_screen *cur_screen;
1525 struct rk_screen primary_screen;
1527 if (unlikely(!inf) || unlikely(!dev_drv) ||
1528 unlikely(!win) || unlikely(!reg_win_data))
1531 cur_screen = dev_drv->cur_screen;
1532 rk_fb_get_prmry_screen(&primary_screen);
1534 win->area_num = reg_win_data->area_num;
1535 win->id = reg_win_data->win_id;
1536 win->z_order = reg_win_data->z_order;
1538 if (reg_win_data->reg_area_data[0].smem_start > 0) {
1540 win->area_num = reg_win_data->area_num;
1541 win->id = reg_win_data->win_id;
1542 win->z_order = reg_win_data->z_order;
1543 win->area[0].uv_vir_stride =
1544 reg_win_data->reg_area_data[0].uv_vir_stride;
1545 win->area[0].cbr_start =
1546 reg_win_data->reg_area_data[0].cbr_start;
1547 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1548 win->alpha_en = reg_win_data->alpha_en;
1549 win->alpha_mode = reg_win_data->alpha_mode;
1550 win->g_alpha_val = reg_win_data->g_alpha_val;
1551 win->mirror_en = reg_win_data->mirror_en;
1552 win->area[0].fbdc_en =
1553 reg_win_data->reg_area_data[0].fbdc_en;
1554 win->area[0].fbdc_cor_en =
1555 reg_win_data->reg_area_data[0].fbdc_cor_en;
1556 win->area[0].fbdc_data_format =
1557 reg_win_data->reg_area_data[0].fbdc_data_format;
1558 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1559 if (reg_win_data->reg_area_data[i].smem_start > 0) {
1560 win->area[i].format =
1561 reg_win_data->reg_area_data[i].data_format;
1562 if (inf->disp_policy != DISPLAY_POLICY_BOX)
1563 win->area[i].ion_hdl =
1564 reg_win_data->reg_area_data[i].ion_handle;
1565 win->area[i].smem_start =
1566 reg_win_data->reg_area_data[i].smem_start;
1567 if (inf->disp_mode == DUAL ||
1568 inf->disp_mode == NO_DUAL ||
1569 inf->disp_policy == DISPLAY_POLICY_BOX) {
1571 reg_win_data->reg_area_data[i].xpos;
1573 reg_win_data->reg_area_data[i].ypos;
1574 win->area[i].xsize =
1575 reg_win_data->reg_area_data[i].xsize;
1576 win->area[i].ysize =
1577 reg_win_data->reg_area_data[i].ysize;
1580 reg_win_data->reg_area_data[i].xpos *
1581 cur_screen->mode.xres /
1582 primary_screen.mode.xres;
1584 reg_win_data->reg_area_data[i].ypos *
1585 cur_screen->mode.yres /
1586 primary_screen.mode.yres;
1587 win->area[i].xsize =
1588 reg_win_data->reg_area_data[i].xsize *
1589 cur_screen->mode.xres /
1590 primary_screen.mode.xres;
1591 win->area[i].ysize =
1592 reg_win_data->reg_area_data[i].ysize *
1593 cur_screen->mode.yres /
1594 primary_screen.mode.yres;
1596 /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1597 if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
1598 if (cur_screen->xsize > 0 &&
1599 cur_screen->xsize <= cur_screen->mode.xres) {
1601 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1602 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1603 win->area[i].xsize =
1604 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1606 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1608 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1609 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1610 win->area[i].ysize =
1611 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1616 reg_win_data->reg_area_data[i].xact;
1618 reg_win_data->reg_area_data[i].yact;
1620 reg_win_data->reg_area_data[i].xvir;
1622 reg_win_data->reg_area_data[i].yvir;
1624 reg_win_data->reg_area_data[i].xoff;
1626 reg_win_data->reg_area_data[i].yoff;
1627 win->area[i].y_offset =
1628 reg_win_data->reg_area_data[i].y_offset;
1629 win->area[i].y_vir_stride =
1630 reg_win_data->reg_area_data[i].y_vir_stride;
1631 win->area[i].state = 1;
1632 #if defined(CONFIG_ROCKCHIP_IOMMU)
1633 if (dev_drv->iommu_enabled)
1634 g_last_addr[win->id][i] = win->area[i].smem_start +
1635 win->area[i].y_offset;
1638 win->area[i].state = 0;
1639 #if defined(CONFIG_ROCKCHIP_IOMMU)
1640 if (dev_drv->iommu_enabled)
1641 g_last_addr[win->id][i] = -1;
1648 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1652 struct rk_fb_reg_win_data *win_data = NULL;
1653 for (i = 0; i < regs->win_num; i++) {
1654 if (regs->reg_win_data[i].win_id == win_id) {
1655 win_data = &(regs->reg_win_data[i]);
1663 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1664 struct rk_fb_reg_data *regs)
1667 struct rk_lcdc_win *win;
1668 ktime_t timestamp = dev_drv->vsync_info.timestamp;
1669 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1670 struct rk_fb_reg_win_data *win_data;
1671 bool wait_for_vsync;
1673 unsigned int dsp_addr[4];
1677 /* acq_fence wait */
1678 for (i = 0; i < regs->win_num; i++) {
1679 win_data = ®s->reg_win_data[i];
1680 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1681 if (win_data->reg_area_data[j].acq_fence) {
1682 /* printk("acq_fence wait!!!!!\n"); */
1683 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1688 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1689 win = dev_drv->win[i];
1690 win_data = rk_fb_get_win_data(regs, i);
1692 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1693 (win_data->reg_area_data[0].data_format == YUV420 ||
1694 win_data->reg_area_data[0].data_format == YUV420_NV21 ||
1695 win_data->reg_area_data[0].data_format == YUV420_A))
1697 mutex_lock(&dev_drv->win_config);
1698 rk_fb_update_win(dev_drv, win, win_data);
1700 dev_drv->ops->set_par(dev_drv, i);
1701 dev_drv->ops->pan_display(dev_drv, i);
1702 mutex_unlock(&dev_drv->win_config);
1706 #if defined(CONFIG_ROCKCHIP_IOMMU)
1707 if (dev_drv->iommu_enabled) {
1708 for (j = 0; j < 4; j++)
1709 g_last_addr[i][j] = -1;
1714 dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1715 if (dev_drv->ops->dsp_black)
1716 dev_drv->ops->dsp_black(dev_drv, 0);
1717 dev_drv->ops->cfg_done(dev_drv);
1720 timestamp = dev_drv->vsync_info.timestamp;
1721 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1722 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1723 msecs_to_jiffies(50));
1725 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1726 wait_for_vsync = false;
1727 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1728 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1729 (!strcmp(dev_drv->win[i]->name, "hwc")))
1731 if (dev_drv->win[i]->state == 1) {
1733 dev_drv->win[i]->area[0].smem_start +
1734 dev_drv->win[i]->area[0].y_offset;
1735 u32 reg_start = dsp_addr[i];
1737 if ((rk_fb->disp_policy ==
1738 DISPLAY_POLICY_BOX) &&
1739 (dev_drv->suspend_flag))
1741 if (unlikely(new_start != reg_start)) {
1742 wait_for_vsync = true;
1743 dev_info(dev_drv->dev,
1744 "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1745 i, new_start, reg_start, 101 - count);
1748 } else if (dev_drv->win[i]->state == 0) {
1749 if (dev_drv->ops->get_win_state) {
1751 dev_drv->ops->get_win_state(dev_drv, i);
1753 wait_for_vsync = true;
1756 pr_err("!!!win[%d]state:%d,error!!!\n",
1757 i, dev_drv->win[i]->state);
1760 } while (wait_for_vsync && count--);
1762 sw_sync_timeline_inc(dev_drv->timeline, 1);
1764 if (dev_drv->front_regs) {
1765 #if defined(CONFIG_ROCKCHIP_IOMMU)
1766 if (dev_drv->iommu_enabled) {
1767 if (dev_drv->ops->mmu_en)
1768 dev_drv->ops->mmu_en(dev_drv);
1770 g_last_timeout = timeout;
1774 mutex_lock(&dev_drv->front_lock);
1776 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1777 win_data = &dev_drv->front_regs->reg_win_data[i];
1778 rk_fb_free_dma_buf(dev_drv, win_data);
1780 kfree(dev_drv->front_regs);
1782 mutex_unlock(&dev_drv->front_lock);
1784 #if defined(CONFIG_ROCKCHIP_IOMMU)
1785 if (dev_drv->iommu_enabled)
1786 freed_addr[freed_index] = 0xfefefefe;
1790 mutex_lock(&dev_drv->front_lock);
1792 dev_drv->front_regs = regs;
1794 mutex_unlock(&dev_drv->front_lock);
1796 trace_buffer_dump(&fb_pdev->dev, dev_drv);
1799 static void rk_fb_update_regs_handler(struct kthread_work *work)
1801 struct rk_lcdc_driver *dev_drv =
1802 container_of(work, struct rk_lcdc_driver, update_regs_work);
1803 struct rk_fb_reg_data *data, *next;
1805 mutex_lock(&dev_drv->update_regs_list_lock);
1806 dev_drv->saved_list = dev_drv->update_regs_list;
1807 list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1808 mutex_unlock(&dev_drv->update_regs_list_lock);
1810 list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1811 rk_fb_update_reg(dev_drv, data);
1812 list_del(&data->list);
1815 if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1816 wake_up(&dev_drv->update_regs_wait);
1819 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1820 struct rk_screen *screen)
1822 if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1823 (area_par->xact <= 0) || (area_par->yact <= 0) ||
1824 (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1825 pr_err("check config var fail 0:\n"
1826 "x_offset=%d,xact=%d,xvir=%d\n",
1827 area_par->x_offset, area_par->xact, area_par->xvir);
1831 if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1832 (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1833 (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1834 pr_warn("check config var fail 1:\n"
1835 "xpos=%d,xsize=%d,xres=%d\n"
1836 "ypos=%d,ysize=%d,yres=%d\n",
1837 area_par->xpos, area_par->xsize, screen->mode.xres,
1838 area_par->ypos, area_par->ysize, screen->mode.yres);
1844 static int rk_fb_set_win_buffer(struct fb_info *info,
1845 struct rk_fb_win_par *win_par,
1846 struct rk_fb_reg_win_data *reg_win_data)
1848 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1849 struct fb_fix_screeninfo *fix = &info->fix;
1850 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1851 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1852 /*if hdmi size move to hwc,screen should point to cur_screen
1853 otherwise point to screen0[main screen]*/
1854 struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
1855 struct fb_info *fbi;
1856 int i, ion_fd, acq_fence_fd;
1858 u32 xoffset, yoffset;
1860 struct ion_handle *hdl;
1866 u32 stride, uv_stride;
1869 u16 uv_x_off, uv_y_off, uv_y_act;
1871 u8 ppixel_a = 0, global_a = 0;
1872 ion_phys_addr_t phy_addr;
1876 reg_win_data->reg_area_data[0].smem_start = -1;
1877 reg_win_data->area_num = 0;
1878 fbi = rk_fb->fb[reg_win_data->win_id];
1879 if (win_par->area_par[0].phy_addr == 0) {
1880 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1881 ion_fd = win_par->area_par[i].ion_fd;
1884 ion_import_dma_buf(rk_fb->ion_client,
1887 pr_info("%s: Could not import handle:"
1888 " %ld\n", __func__, (long)hdl);
1889 /*return -EINVAL; */
1892 reg_win_data->area_num++;
1893 reg_win_data->reg_area_data[i].ion_handle = hdl;
1894 #ifndef CONFIG_ROCKCHIP_IOMMU
1895 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
1898 if (dev_drv->iommu_enabled)
1899 ret = ion_map_iommu(dev_drv->dev,
1902 (unsigned long *)&phy_addr,
1903 (unsigned long *)&len);
1905 ret = ion_phys(rk_fb->ion_client, hdl,
1909 dev_err(fbi->dev, "ion map to get phy addr failed\n");
1910 ion_free(rk_fb->ion_client, hdl);
1913 reg_win_data->reg_area_data[i].smem_start = phy_addr;
1914 reg_win_data->area_buf_num++;
1915 reg_win_data->reg_area_data[i].index_buf = 1;
1916 reg_win_data->reg_area_data[i].buff_len = len;
1920 reg_win_data->reg_area_data[0].smem_start =
1921 win_par->area_par[0].phy_addr;
1922 reg_win_data->area_num = 1;
1923 reg_win_data->area_buf_num++;
1924 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
1927 if (reg_win_data->area_num == 0)
1930 for (i = 0; i < reg_win_data->area_num; i++) {
1931 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
1932 index_buf = reg_win_data->reg_area_data[i].index_buf;
1933 if ((acq_fence_fd > 0) && (index_buf == 1)) {
1934 reg_win_data->reg_area_data[i].acq_fence =
1935 sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
1938 if (reg_win_data->reg_area_data[0].smem_start > 0) {
1939 reg_win_data->z_order = win_par->z_order;
1940 reg_win_data->win_id = win_par->win_id;
1942 reg_win_data->z_order = -1;
1943 reg_win_data->win_id = -1;
1946 reg_win_data->mirror_en = win_par->mirror_en;
1947 for (i = 0; i < reg_win_data->area_num; i++) {
1948 /*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
1950 fb_data_fmt = rk_fb_data_fmt(win_par->area_par[i].data_format, 0);
1951 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
1952 if (fb_data_fmt >= FBDC_RGB_565) {
1953 reg_win_data->reg_area_data[i].fbdc_en = 1;
1954 reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
1956 reg_win_data->reg_area_data[i].fbdc_en = 0;
1957 reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
1959 pixel_width = rk_fb_pixel_width(fb_data_fmt);
1961 ppixel_a |= ((fb_data_fmt == ARGB888) ||
1962 (fb_data_fmt == FBDC_ARGB_888) ||
1963 (fb_data_fmt == FBDC_ABGR_888) ||
1964 (fb_data_fmt == ABGR888)) ? 1 : 0;
1965 /* visiable pos in panel */
1966 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
1967 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
1969 /* realy size in panel */
1970 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
1971 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
1973 /* realy size in panel */
1974 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
1975 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
1977 xoffset = win_par->area_par[i].x_offset; /* buf offset */
1978 yoffset = win_par->area_par[i].y_offset;
1979 reg_win_data->reg_area_data[i].xoff = xoffset;
1980 reg_win_data->reg_area_data[i].yoff = yoffset;
1982 xvir = win_par->area_par[i].xvir;
1983 reg_win_data->reg_area_data[i].xvir = xvir;
1984 yvir = win_par->area_par[i].yvir;
1985 reg_win_data->reg_area_data[i].yvir = yvir;
1987 vir_width_bit = pixel_width * xvir;
1988 /* pixel_width = byte_num*8 */
1989 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
1990 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
1992 stride = stride_32bit_1; /* default rgb */
1993 fix->line_length = stride;
1994 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
1996 /* x y mirror ,jump line
1997 * reg_win_data->reg_area_data[i].y_offset =
1998 * yoffset*stride+xoffset*pixel_width/8;
2000 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2001 if (screen->interlace == 1) {
2002 reg_win_data->reg_area_data[i].y_offset =
2003 yoffset * stride * 2 +
2004 ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2005 xoffset * pixel_width / 8;
2007 reg_win_data->reg_area_data[i].y_offset =
2009 (reg_win_data->reg_area_data[i].yact - 1) * stride +
2010 xoffset * pixel_width / 8;
2013 if (screen->interlace == 1) {
2014 reg_win_data->reg_area_data[i].y_offset =
2015 yoffset * stride * 2 +
2016 xoffset * pixel_width / 8;
2018 reg_win_data->reg_area_data[i].y_offset =
2020 xoffset * pixel_width / 8;
2023 if ((fb_data_fmt != YUV420) &&
2024 (fb_data_fmt != YUV420_NV21) &&
2025 (fb_data_fmt != YUV422) &&
2026 (fb_data_fmt != YUV444) &&
2027 dev_drv->iommu_enabled) {
2028 buff_len = reg_win_data->reg_area_data[i].y_offset +
2029 reg_win_data->reg_area_data[i].xvir *
2030 reg_win_data->reg_area_data[i].yact *
2032 reg_win_data->reg_area_data[i].xoff*
2034 if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2035 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2037 "=buff_len[0x%x]>>mmu len=0x%x\n",
2039 reg_win_data->reg_area_data[i].xvir,
2040 reg_win_data->reg_area_data[i].yact,
2041 pixel_width, buff_len,
2042 reg_win_data->reg_area_data[i].buff_len);
2046 global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2047 reg_win_data->alpha_en = ppixel_a | global_a;
2048 reg_win_data->g_alpha_val = win_par->g_alpha_val;
2049 reg_win_data->alpha_mode = win_par->alpha_mode;
2051 switch (fb_data_fmt) {
2055 stride = stride_32bit_1;
2056 uv_stride = stride_32bit_1 >> 1;
2057 uv_x_off = xoffset >> 1;
2059 fix->line_length = stride;
2060 uv_y_act = win_par->area_par[0].yact >> 1;
2062 case YUV420: /* nv12 */
2063 case YUV420_NV21: /* nv21 */
2066 stride = stride_32bit_1;
2067 uv_stride = stride_32bit_1;
2069 uv_y_off = yoffset >> 1;
2070 fix->line_length = stride;
2071 uv_y_act = win_par->area_par[0].yact >> 1;
2076 stride = stride_32bit_1;
2077 uv_stride = stride_32bit_2;
2078 uv_x_off = xoffset * 2;
2080 fix->line_length = stride << 2;
2081 uv_y_act = win_par->area_par[0].yact;
2086 if (is_pic_yuv == 1) {
2087 reg_win_data->reg_area_data[0].cbr_start =
2088 reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2089 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2090 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2091 if (screen->interlace == 1) {
2092 reg_win_data->reg_area_data[0].c_offset =
2093 uv_y_off * uv_stride * 2 +
2094 ((uv_y_act - 1) * 2 + 1) * uv_stride +
2095 uv_x_off * pixel_width / 8;
2097 reg_win_data->reg_area_data[0].c_offset =
2098 uv_y_off * uv_stride +
2099 (uv_y_act - 1) * uv_stride +
2100 uv_x_off * pixel_width / 8;
2103 if (screen->interlace == 1) {
2104 reg_win_data->reg_area_data[0].c_offset =
2105 uv_y_off * uv_stride * 2 +
2106 uv_x_off * pixel_width / 8;
2108 reg_win_data->reg_area_data[0].c_offset =
2109 uv_y_off * uv_stride +
2110 uv_x_off * pixel_width / 8;
2113 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2114 reg_win_data->reg_area_data[0].c_offset +
2115 reg_win_data->reg_area_data[0].xvir *
2116 reg_win_data->reg_area_data[0].yact *
2118 reg_win_data->reg_area_data[0].smem_start -
2119 reg_win_data->reg_area_data[0].xoff*
2121 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2122 dev_drv->iommu_enabled)
2123 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2125 "=buff_len[0x%x]>>mmu len=0x%x\n",
2127 reg_win_data->reg_area_data[0].xvir,
2128 reg_win_data->reg_area_data[0].yact,
2129 pixel_width, buff_len,
2130 reg_win_data->reg_area_data[0].buff_len);
2133 /* record buffer information for rk_fb_disp_scale to prevent fence timeout
2134 * because rk_fb_disp_scale will call function info->fbops->fb_set_par(info);
2136 info->var.yoffset = yoffset;
2137 info->var.xoffset = xoffset;
2141 static int rk_fb_set_win_config(struct fb_info *info,
2142 struct rk_fb_win_cfg_data *win_data)
2144 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2145 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2146 struct rk_fb_reg_data *regs;
2148 struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2149 struct sync_fence *retire_fence;
2150 struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2151 struct sync_pt *retire_sync_pt;
2152 char fence_name[20];
2154 int ret = 0, i, j = 0;
2155 int list_is_empty = 0;
2156 struct rk_screen *screen = dev_drv->cur_screen;
2158 for (i = 0; i < 4; i++) {
2159 for (j = 0; j < 4; j++) {
2160 if (win_data->win_par[i].area_par[j].ion_fd > 0)
2161 ret += rk_fb_check_config_var(
2162 &win_data->win_par[i].area_par[j],
2166 if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
2167 dev_drv->timeline_max++;
2168 sw_sync_timeline_inc(dev_drv->timeline, 1);
2169 if (dev_drv->suspend_flag)
2170 pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
2171 else if (dev_drv->hdmi_switch)
2172 pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
2174 pr_err("error config ,ignore\n");
2175 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2176 win_data->rel_fence_fd[j] = -1;
2177 win_data->ret_fence_fd = -1;
2181 regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2183 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2188 for (i = 0,j = 0; i < dev_drv->lcdc_win_num; i++) {
2189 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2190 if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2191 ®s->reg_win_data[j]))
2193 if (regs->reg_win_data[j].area_num > 0) {
2196 regs->reg_win_data[j].area_buf_num;
2200 printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2201 printk(KERN_INFO "i=%d,win_id=%d\n", i,
2202 win_data->win_par[i].win_id);
2206 if (regs->win_num <= 0)
2207 goto err_null_frame;
2209 mutex_lock(&dev_drv->output_lock);
2211 dev_drv->timeline_max++;
2213 for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2214 if (i < regs->buf_num) {
2215 sprintf(fence_name, "fence%d", i);
2216 win_data->rel_fence_fd[i] = get_unused_fd();
2217 if (win_data->rel_fence_fd[i] < 0) {
2218 printk(KERN_INFO "rel_fence_fd=%d\n",
2219 win_data->rel_fence_fd[i]);
2223 release_sync_pt[i] =
2224 sw_sync_pt_create(dev_drv->timeline,
2225 dev_drv->timeline_max);
2227 sync_fence_create(fence_name, release_sync_pt[i]);
2228 sync_fence_install(release_fence[i],
2229 win_data->rel_fence_fd[i]);
2231 win_data->rel_fence_fd[i] = -1;
2235 win_data->ret_fence_fd = get_unused_fd();
2236 if (win_data->ret_fence_fd < 0) {
2237 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2238 win_data->ret_fence_fd = -1;
2243 sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2244 retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2245 sync_fence_install(retire_fence, win_data->ret_fence_fd);
2247 for (i = 0; i < RK_MAX_BUF_NUM; i++)
2248 win_data->rel_fence_fd[i] = -1;
2250 win_data->ret_fence_fd = -1;
2252 if (dev_drv->wait_fs == 0) {
2253 mutex_lock(&dev_drv->update_regs_list_lock);
2254 list_add_tail(®s->list, &dev_drv->update_regs_list);
2255 mutex_unlock(&dev_drv->update_regs_list_lock);
2256 queue_kthread_work(&dev_drv->update_regs_worker,
2257 &dev_drv->update_regs_work);
2259 mutex_lock(&dev_drv->update_regs_list_lock);
2260 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2261 list_empty(&dev_drv->saved_list);
2262 mutex_unlock(&dev_drv->update_regs_list_lock);
2263 if (!list_is_empty) {
2264 ret = wait_event_timeout(dev_drv->update_regs_wait,
2265 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2266 msecs_to_jiffies(60));
2268 rk_fb_update_reg(dev_drv, regs);
2270 printk("%s: wait update_regs_wait timeout\n", __func__);
2271 } else if (ret == 0) {
2272 rk_fb_update_reg(dev_drv, regs);
2277 mutex_unlock(&dev_drv->output_lock);
2281 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2282 win_data->rel_fence_fd[j] = -1;
2283 win_data->ret_fence_fd = -1;
2284 pr_info("win num = %d,null frame\n", regs->win_num);
2289 static int cfgdone_distlist[10] = { 0 };
2291 static int cfgdone_index;
2292 static int cfgdone_lasttime;
2294 int rk_get_real_fps(int before)
2296 struct timespec now;
2302 int index = cfgdone_index;
2311 getnstimeofday(&now);
2312 dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2318 for (i = 0; i < 10; i++) {
2321 total += cfgdone_distlist[index];
2323 dist_first = cfgdone_distlist[index];
2324 if (total < (before * 1000)) {
2326 printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2328 dist_total += cfgdone_distlist[index];
2336 printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2338 dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2339 dist_total += dist_curr;
2343 fps = (1000000 * dist_count) / dist_total;
2348 printk("curr2 %d, fps=%d\n", dist_curr, fps);
2352 EXPORT_SYMBOL(rk_get_real_fps);
2355 #ifdef CONFIG_ROCKCHIP_IOMMU
2357 static struct ion_handle *ion_hanle[ION_MAX];
2358 static struct ion_handle *ion_hwc[1];
2360 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2363 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2364 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2365 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2366 struct fb_fix_screeninfo *fix = &info->fix;
2367 struct rk_lcdc_win *win;
2368 int enable; /* enable fb:1 enable;0 disable */
2369 int ovl; /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2370 int num_buf; /* buffer_number */
2372 struct rk_fb_win_cfg_data win_data;
2373 unsigned int dsp_addr[4];
2376 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2378 void __user *argp = (void __user *)arg;
2379 win = dev_drv->win[win_id];
2382 case RK_FBIOSET_HWC_ADDR:
2385 if (copy_from_user(hwc_phy, argp, 4))
2387 #ifdef CONFIG_ROCKCHIP_IOMMU
2388 if (!dev_drv->iommu_enabled) {
2390 fix->smem_start = hwc_phy[0];
2391 #ifdef CONFIG_ROCKCHIP_IOMMU
2394 struct ion_handle *hdl;
2395 ion_phys_addr_t phy_addr;
2398 usr_fd = hwc_phy[0];
2400 fix->smem_start = 0;
2401 fix->mmio_start = 0;
2402 dev_drv->ops->open(dev_drv, win_id, 0);
2406 if (ion_hwc[0] != 0) {
2407 ion_free(rk_fb->ion_client, ion_hwc[0]);
2411 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2413 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2418 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2419 (unsigned long *)&phy_addr,
2420 (unsigned long *)&len);
2422 dev_err(info->dev, "ion map to get hwc phy addr failed");
2423 ion_free(rk_fb->ion_client, hdl);
2426 fix->smem_start = phy_addr;
2432 case RK_FBIOSET_YUV_ADDR:
2436 if (copy_from_user(yuv_phy, argp, 8))
2438 #ifdef CONFIG_ROCKCHIP_IOMMU
2439 if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2441 fix->smem_start = yuv_phy[0];
2442 fix->mmio_start = yuv_phy[1];
2443 #ifdef CONFIG_ROCKCHIP_IOMMU
2445 int usr_fd, offset, tmp;
2446 struct ion_handle *hdl;
2447 ion_phys_addr_t phy_addr;
2450 usr_fd = yuv_phy[0];
2451 offset = yuv_phy[1] - yuv_phy[0];
2453 fix->smem_start = 0;
2454 fix->mmio_start = 0;
2458 if (ion_hanle[ION_MAX - 1] != 0) {
2459 /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2460 /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2461 ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2462 ion_hanle[ION_MAX - 1] = 0;
2465 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2467 dev_err(info->dev, "failed to get ion handle:%ld\n",
2472 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2473 (unsigned long *)&phy_addr,
2474 (unsigned long *)&len);
2476 dev_err(info->dev, "ion map to get phy addr failed");
2477 ion_free(rk_fb->ion_client, hdl);
2480 fix->smem_start = phy_addr;
2481 fix->mmio_start = phy_addr + offset;
2482 fix->smem_len = len;
2483 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2486 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2487 ion_hanle[tmp] = ion_hanle[tmp - 1];
2493 case RK_FBIOSET_ENABLE:
2494 if (copy_from_user(&enable, argp, sizeof(enable)))
2500 dev_drv->ops->open(dev_drv, win_id, enable);
2502 case RK_FBIOGET_ENABLE:
2503 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
2504 if (copy_to_user(argp, &enable, sizeof(enable)))
2507 case RK_FBIOSET_OVERLAY_STA:
2508 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2510 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2512 case RK_FBIOGET_OVERLAY_STA:
2513 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2514 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2517 case RK_FBIOPUT_NUM_BUFFERS:
2518 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2520 dev_drv->num_buf = num_buf;
2522 case RK_FBIOSET_VSYNC_ENABLE:
2523 if (copy_from_user(&enable, argp, sizeof(enable)))
2525 dev_drv->vsync_info.active = enable;
2528 case RK_FBIOGET_DSP_ADDR:
2529 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2530 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2533 case RK_FBIOGET_LIST_STA:
2534 list_stat = rk_fb_get_list_stat(dev_drv);
2535 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2539 case RK_FBIOGET_IOMMU_STA:
2540 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2541 sizeof(dev_drv->iommu_enabled)))
2544 #if defined(CONFIG_ION_ROCKCHIP)
2545 case RK_FBIOSET_DMABUF_FD:
2548 struct ion_handle *hdl;
2549 ion_phys_addr_t phy_addr;
2551 if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2553 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2554 ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2555 fix->smem_start = phy_addr;
2558 case RK_FBIOGET_DMABUF_FD:
2562 if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2564 "get dma_buf fd failed,ion handle is err\n");
2565 return PTR_ERR(fb_par->ion_hdl);
2567 fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2571 "ion_share_dma_buf_fd failed\n");
2574 if (copy_to_user(argp, &fd, sizeof(fd)))
2579 case RK_FBIOSET_CLEAR_FB:
2580 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2582 case RK_FBIOSET_CONFIG_DONE:
2585 struct timespec now;
2587 getnstimeofday(&now);
2588 curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2589 cfgdone_distlist[cfgdone_index++] =
2590 curr - cfgdone_lasttime;
2592 printk("%d ", curr - cfgdone_lasttime);
2594 cfgdone_lasttime = curr;
2595 if (cfgdone_index >= 10)
2598 if (copy_from_user(&win_data,
2599 (struct rk_fb_win_cfg_data __user *)argp,
2600 sizeof(win_data))) {
2605 dev_drv->wait_fs = win_data.wait_fs;
2606 rk_fb_set_win_config(info, &win_data);
2608 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2609 &win_data, sizeof(win_data))) {
2613 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2616 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2623 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2625 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2626 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2627 struct fb_fix_screeninfo *fix = &info->fix;
2629 #if defined(CONFIG_RK_HDMI)
2630 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2633 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2636 #if defined(CONFIG_RK_HDMI)
2637 if ((rk_fb->disp_mode == ONE_DUAL) &&
2638 (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2639 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2643 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2648 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2650 if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2651 (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2652 ((16 != var->bits_per_pixel) &&
2653 (32 != var->bits_per_pixel) &&
2654 (24 != var->bits_per_pixel))) {
2655 dev_err(info->dev, "%s check var fail 1:\n"
2656 "xres_vir:%d>>yres_vir:%d\n"
2657 "xres:%d>>yres:%d\n"
2658 "bits_per_pixel:%d\n",
2662 var->xres, var->yres, var->bits_per_pixel);
2666 if (((var->xoffset + var->xres) > var->xres_virtual) ||
2667 ((var->yoffset + var->yres) > (var->yres_virtual))) {
2668 dev_err(info->dev, "%s check_var fail 2:\n"
2669 "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2670 "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2675 var->yoffset, var->yres, var->yres_virtual);
2682 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2683 size_t count, loff_t *ppos)
2685 unsigned long p = *ppos;
2688 int c, cnt = 0, err = 0;
2689 unsigned long total_size;
2690 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2691 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2692 struct rk_lcdc_win *win = NULL;
2695 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2699 win = dev_drv->win[win_id];
2701 /* only read the current frame buffer */
2702 if (win->area[0].format == RGB565) {
2703 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2704 } else if ((win->area[0].format == YUV420) ||
2705 (win->area[0].format == YUV420_NV21)) {
2707 (win->area[0].y_vir_stride * win->area[0].yact * 6);
2709 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2711 if (p >= total_size)
2714 if (count >= total_size)
2717 if (count + p > total_size)
2718 count = total_size - p;
2720 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2724 src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2727 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2729 fb_memcpy_fromfb(dst, src, c);
2733 if (copy_to_user(buf, buffer, c)) {
2745 return (err) ? err : cnt;
2748 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2749 size_t count, loff_t *ppos)
2751 unsigned long p = *ppos;
2754 int c, cnt = 0, err = 0;
2755 unsigned long total_size;
2756 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2757 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2758 struct rk_lcdc_win *win = NULL;
2761 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2765 win = dev_drv->win[win_id];
2767 /* write the current frame buffer */
2768 if (win->area[0].format == RGB565)
2769 total_size = win->area[0].xact * win->area[0].yact << 1;
2771 total_size = win->area[0].xact * win->area[0].yact << 2;
2776 if (count > total_size) {
2781 if (count + p > total_size) {
2785 count = total_size - p;
2788 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2792 dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2795 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2798 if (copy_from_user(src, buf, c)) {
2803 fb_memcpy_tofb(dst, src, c);
2814 return (cnt) ? cnt : err;
2817 static int rk_fb_set_par(struct fb_info *info)
2819 struct fb_var_screeninfo *var = &info->var;
2820 struct fb_fix_screeninfo *fix = &info->fix;
2821 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2822 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2823 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2824 struct rk_lcdc_win *win = NULL;
2825 struct rk_screen *screen = dev_drv->cur_screen;
2827 u32 cblen = 0, crlen = 0;
2828 u16 xsize = 0, ysize = 0; /* winx display window height/width --->LCDC_WINx_DSP_INFO */
2829 u32 xoffset = var->xoffset; /* offset from virtual to visible */
2830 u32 yoffset = var->yoffset;
2831 u16 xpos = (var->nonstd >> 8) & 0xfff; /*visiable pos in panel */
2832 u16 ypos = (var->nonstd >> 20) & 0xfff;
2833 u32 xvir = var->xres_virtual;
2834 u32 yvir = var->yres_virtual;
2835 u8 data_format = var->nonstd & 0xff;
2839 u32 stride, uv_stride;
2842 u16 uv_x_off, uv_y_off, uv_y_act;
2844 /*var->pixclock = dev_drv->pixclock;*/
2845 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2849 win = dev_drv->win[win_id];
2851 /* if the application has specific the horizontal and vertical display size */
2852 if (var->grayscale >> 8) {
2853 xsize = (var->grayscale >> 8) & 0xfff;
2854 ysize = (var->grayscale >> 20) & 0xfff;
2855 if (xsize > screen->mode.xres)
2856 xsize = screen->mode.xres;
2857 if (ysize > screen->mode.yres)
2858 ysize = screen->mode.yres;
2859 } else { /*ohterwise full screen display */
2860 xsize = screen->mode.xres;
2861 ysize = screen->mode.yres;
2864 fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
2865 if (fb_data_fmt >= FBDC_RGB_565) {
2866 win->area[0].fbdc_en = 1;
2867 win->area[0].fbdc_cor_en = 1;
2869 win->area[0].fbdc_en = 0;
2870 win->area[0].fbdc_cor_en = 0;
2872 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2873 vir_width_bit = pixel_width * xvir;
2874 /* pixel_width = byte_num * 8 */
2875 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
2876 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
2878 switch (fb_data_fmt) {
2882 stride = stride_32bit_1;
2883 uv_stride = stride_32bit_1 >> 1;
2884 uv_x_off = xoffset >> 1;
2886 fix->line_length = stride;
2887 cblen = crlen = (xvir * yvir) >> 1;
2888 uv_y_act = win->area[0].yact >> 1;
2890 case YUV420: /* nv12 */
2891 case YUV420_NV21: /* nv21 */
2894 stride = stride_32bit_1;
2895 uv_stride = stride_32bit_1;
2897 uv_y_off = yoffset >> 1;
2898 fix->line_length = stride;
2899 cblen = crlen = (xvir * yvir) >> 2;
2900 uv_y_act = win->area[0].yact >> 1;
2905 stride = stride_32bit_1;
2906 uv_stride = stride_32bit_2;
2907 uv_x_off = xoffset * 2;
2909 fix->line_length = stride << 2;
2910 cblen = crlen = (xvir * yvir);
2911 uv_y_act = win->area[0].yact;
2914 stride = stride_32bit_1; /* default rgb */
2915 fix->line_length = stride;
2919 win->area[0].format = fb_data_fmt;
2920 win->area[0].y_vir_stride = stride >> 2;
2921 win->area[0].uv_vir_stride = uv_stride >> 2;
2922 win->area[0].xpos = xpos;
2923 win->area[0].ypos = ypos;
2924 win->area[0].xsize = xsize;
2925 win->area[0].ysize = ysize;
2926 win->area[0].xact = var->xres; /* winx active window height,is a wint of vir */
2927 win->area[0].yact = var->yres;
2928 win->area[0].xvir = var->xres_virtual; /* virtual resolution stride --->LCDC_WINx_VIR */
2929 win->area[0].yvir = var->yres_virtual;
2930 win->area[0].xoff = xoffset;
2931 win->area[0].yoff = yoffset;
2934 win->alpha_mode = 4; /* AB_SRC_OVER; */
2935 win->alpha_en = ((win->area[0].format == ARGB888) ||
2936 (win->area[0].format == FBDC_ARGB_888) ||
2937 (win->area[0].format == FBDC_ABGR_888) ||
2938 (win->area[0].format == ABGR888)) ? 1 : 0;
2939 win->g_alpha_val = 0;
2941 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
2942 (win->area[0].format == YUV420 ||
2943 win->area[0].format == YUV420_NV21 ||
2944 win->area[0].format == YUV420_A))
2947 dev_drv->ops->set_par(dev_drv, win_id);
2952 static inline unsigned int chan_to_field(unsigned int chan,
2953 struct fb_bitfield *bf)
2956 chan >>= 16 - bf->length;
2957 return chan << bf->offset;
2960 static int fb_setcolreg(unsigned regno,
2961 unsigned red, unsigned green, unsigned blue,
2962 unsigned transp, struct fb_info *info)
2966 switch (info->fix.visual) {
2967 case FB_VISUAL_TRUECOLOR:
2968 /* true-colour, use pseudo-palette */
2970 u32 *pal = info->pseudo_palette;
2971 val = chan_to_field(red, &info->var.red);
2972 val |= chan_to_field(green, &info->var.green);
2973 val |= chan_to_field(blue, &info->var.blue);
2978 return -1; /* unknown type */
2984 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
2986 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2987 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2988 struct ion_handle *handle = fb_par->ion_hdl;
2989 struct dma_buf *dma_buf = NULL;
2991 if (IS_ERR_OR_NULL(handle)) {
2992 dev_err(info->dev, "failed to get ion handle:%ld\n",
2996 dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
2997 if (IS_ERR_OR_NULL(dma_buf)) {
2998 printk("get ion share dma buf failed\n");
3002 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3004 return dma_buf_mmap(dma_buf, vma, 0);
3007 static struct fb_ops fb_ops = {
3008 .owner = THIS_MODULE,
3009 .fb_open = rk_fb_open,
3010 .fb_release = rk_fb_close,
3011 .fb_check_var = rk_fb_check_var,
3012 .fb_set_par = rk_fb_set_par,
3013 .fb_blank = rk_fb_blank,
3014 .fb_ioctl = rk_fb_ioctl,
3015 .fb_compat_ioctl = rk_fb_ioctl,
3016 .fb_pan_display = rk_fb_pan_display,
3017 .fb_read = rk_fb_read,
3018 .fb_write = rk_fb_write,
3019 .fb_setcolreg = fb_setcolreg,
3020 .fb_fillrect = cfb_fillrect,
3021 .fb_copyarea = cfb_copyarea,
3022 .fb_imageblit = cfb_imageblit,
3025 static struct fb_var_screeninfo def_var = {
3026 #if defined(CONFIG_LOGO_LINUX_BMP)
3030 .transp = {0, 0, 0},
3031 .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3036 .transp = {0, 0, 0},
3037 .nonstd = HAL_PIXEL_FORMAT_RGB_565, /* (ypos<<20+xpos<<8+format) format */
3039 .grayscale = 0, /* (ysize<<20+xsize<<8) */
3040 .activate = FB_ACTIVATE_NOW,
3042 .vmode = FB_VMODE_NONINTERLACED,
3045 static struct fb_fix_screeninfo def_fix = {
3046 .type = FB_TYPE_PACKED_PIXELS,
3051 .accel = FB_ACCEL_NONE,
3052 .visual = FB_VISUAL_TRUECOLOR,
3056 static int rk_fb_wait_for_vsync_thread(void *data)
3058 struct rk_lcdc_driver *dev_drv = data;
3059 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3060 struct fb_info *fbi = rk_fb->fb[0];
3062 while (!kthread_should_stop()) {
3063 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3064 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3065 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3066 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3069 sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3075 static ssize_t rk_fb_vsync_show(struct device *dev,
3076 struct device_attribute *attr, char *buf)
3078 struct fb_info *fbi = dev_get_drvdata(dev);
3079 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3080 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3081 return scnprintf(buf, PAGE_SIZE, "%llu\n",
3082 ktime_to_ns(dev_drv->vsync_info.timestamp));
3085 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3088 * this two function is for other module that in the kernel which
3089 * need show image directly through fb
3090 * fb_id:we have 4 fb here,default we use fb0 for ui display
3092 struct fb_info *rk_get_fb(int fb_id)
3094 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3095 struct fb_info *fb = inf->fb[fb_id];
3098 EXPORT_SYMBOL(rk_get_fb);
3100 void rk_direct_fb_show(struct fb_info *fbi)
3103 rk_fb_pan_display(&fbi->var, fbi);
3105 EXPORT_SYMBOL(rk_direct_fb_show);
3107 int rk_fb_dpi_open(bool open)
3109 struct rk_lcdc_driver *dev_drv = NULL;
3110 dev_drv = rk_get_prmry_lcdc_drv();
3112 if (dev_drv->ops->dpi_open)
3113 dev_drv->ops->dpi_open(dev_drv, open);
3117 int rk_fb_dpi_win_sel(int win_id)
3119 struct rk_lcdc_driver *dev_drv = NULL;
3120 dev_drv = rk_get_prmry_lcdc_drv();
3122 if (dev_drv->ops->dpi_win_sel)
3123 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3127 int rk_fb_dpi_status(void)
3130 struct rk_lcdc_driver *dev_drv = NULL;
3132 dev_drv = rk_get_prmry_lcdc_drv();
3133 if (dev_drv->ops->dpi_status)
3134 ret = dev_drv->ops->dpi_status(dev_drv);
3140 * function: this function will be called by display device, enable/disable lcdc
3141 * @screen: screen timing to be set to lcdc
3142 * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3143 * @lcdc_id: the lcdc id the display device attached ,0 or 1
3145 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3147 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3148 struct fb_info *info = NULL;
3149 struct rk_fb_par *fb_par = NULL;
3150 struct rk_lcdc_driver *dev_drv = NULL;
3152 int i, win_id, load_screen = 0;
3155 if (unlikely(!rk_fb) || unlikely(!screen))
3158 /* get lcdc driver */
3159 sprintf(name, "lcdc%d", lcdc_id);
3160 if (rk_fb->disp_mode != DUAL)
3161 dev_drv = rk_fb->lcdc_dev_drv[0];
3163 dev_drv = rk_get_lcdc_drv(name);
3165 if (dev_drv == NULL) {
3166 printk(KERN_ERR "%s driver not found!", name);
3169 if (screen->type == SCREEN_HDMI)
3170 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3172 else if (screen->type == SCREEN_TVOUT ||
3173 screen->type == SCREEN_TVOUT_TEST )
3174 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3176 if (enable == 2 /*&& dev_drv->enable*/)
3178 pr_info("switch:en=%d,lcdc_id=%d,screen type=%d,cur type=%d\n",
3179 enable, lcdc_id, screen->type, dev_drv->cur_screen->type);
3181 mutex_lock(&dev_drv->switch_screen);
3182 hdmi_switch_state = 0;
3183 dev_drv->hdmi_switch = 1;
3185 envp[0] = "switch screen";
3186 envp[1] = kmalloc(32, GFP_KERNEL);
3187 if (envp[1] == NULL) {
3188 pr_err("switch screen kmalloc envp[1] fail\n");
3189 mutex_unlock(&dev_drv->switch_screen);
3192 sprintf(envp[1], "SCREEN=%d,ENABLE=%d", screen->type, enable);
3195 if ((rk_fb->disp_mode == ONE_DUAL) ||
3196 (rk_fb->disp_mode == NO_DUAL)) {
3197 if ((dev_drv->ops->backlight_close) &&
3198 (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3199 (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))
3200 dev_drv->ops->backlight_close(dev_drv, 1);
3201 if (dev_drv->ops->dsp_black)
3202 dev_drv->ops->dsp_black(dev_drv, 1);
3203 if ((dev_drv->ops->set_screen_scaler) &&
3204 (rk_fb->disp_mode == ONE_DUAL))
3205 dev_drv->ops->set_screen_scaler(dev_drv,
3206 dev_drv->screen0, 0);
3208 if (dev_drv->uboot_logo && (screen->type != dev_drv->cur_screen->type))
3209 dev_drv->uboot_logo = 0;
3211 /* if screen type is different, we do not disable lcdc. */
3212 if (dev_drv->cur_screen->type != screen->type) {
3213 dev_drv->hdmi_switch = 0;
3214 mutex_unlock(&dev_drv->switch_screen);
3218 /* if used one lcdc to dual disp, no need to close win */
3219 if ((rk_fb->disp_mode == ONE_DUAL) ||
3220 ((rk_fb->disp_mode == NO_DUAL) &&
3221 (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3222 (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))) {
3223 dev_drv->cur_screen = dev_drv->screen0;
3224 dev_drv->ops->load_screen(dev_drv, 1);
3225 /* force modify dsp size */
3226 info = rk_fb->fb[dev_drv->fb_index_base];
3227 info->var.grayscale &= 0xff;
3228 info->var.grayscale |=
3229 (dev_drv->cur_screen->mode.xres << 8) +
3230 (dev_drv->cur_screen->mode.yres << 20);
3231 mutex_lock(&dev_drv->win_config);
3232 info->var.yoffset = 0;
3233 info->fbops->fb_set_par(info);
3234 info->fbops->fb_pan_display(&info->var, info);
3235 mutex_unlock(&dev_drv->win_config);
3237 /*if (dev_drv->ops->dsp_black)
3238 dev_drv->ops->dsp_black(dev_drv, 0);*/
3239 if ((dev_drv->ops->backlight_close) &&
3240 (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3241 (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))
3242 dev_drv->ops->backlight_close(dev_drv, 0);
3243 } else if (rk_fb->num_lcdc > 1) {
3244 /* If there is more than one lcdc device, we disable
3245 the layer which attached to this device */
3246 dev_drv->suspend_flag = 1;
3247 flush_kthread_worker(&dev_drv->update_regs_worker);
3248 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3249 if (dev_drv->win[i] && dev_drv->win[i]->state)
3250 dev_drv->ops->open(dev_drv, i, 0);
3253 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3256 hdmi_switch_state = 0;
3257 dev_drv->hdmi_switch = 0;
3258 mutex_unlock(&dev_drv->switch_screen);
3261 if (dev_drv->screen1)
3262 dev_drv->cur_screen = dev_drv->screen1;
3264 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3265 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3266 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3267 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3268 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3270 if ((!dev_drv->uboot_logo) ||
3271 ((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3272 (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))) {
3273 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3274 info = rk_fb->fb[dev_drv->fb_index_base + i];
3275 fb_par = (struct rk_fb_par *)info->par;
3276 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3277 if (dev_drv->win[win_id]) {
3278 if (fb_par->state) {
3279 if (!dev_drv->win[win_id]->state) {
3280 dev_drv->ops->open(dev_drv, win_id, 1);
3281 dev_drv->suspend_flag = 0;
3284 dev_drv->ops->load_screen(dev_drv, 1);
3287 info->var.activate |= FB_ACTIVATE_FORCE;
3288 if (rk_fb->disp_mode == ONE_DUAL) {
3289 info->var.grayscale &= 0xff;
3290 info->var.grayscale |=
3291 (dev_drv->cur_screen->xsize << 8) +
3292 (dev_drv->cur_screen->ysize << 20);
3295 mutex_lock(&dev_drv->win_config);
3296 info->var.yoffset = 0;
3297 info->fbops->fb_set_par(info);
3298 info->fbops->fb_pan_display(&info->var, info);
3299 mutex_unlock(&dev_drv->win_config);
3304 dev_drv->uboot_logo = 0;
3306 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3309 hdmi_switch_state = 1;
3310 dev_drv->hdmi_switch = 0;
3311 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3312 if ((dev_drv->ops->set_screen_scaler) &&
3313 (rk_fb->disp_mode == ONE_DUAL))
3314 dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3315 /*if (dev_drv->ops->dsp_black)
3316 dev_drv->ops->dsp_black(dev_drv, 0);*/
3317 if ((dev_drv->ops->backlight_close) &&
3318 (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3319 (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP) &&
3320 (rk_fb->disp_mode == ONE_DUAL))
3321 dev_drv->ops->backlight_close(dev_drv, 0);
3323 mutex_unlock(&dev_drv->switch_screen);
3328 * function:this function current only called by hdmi for
3330 * scale_x: scale rate of x resolution
3331 * scale_y: scale rate of y resolution
3332 * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3334 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3336 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3337 struct fb_info *info = NULL;
3338 struct fb_info *pmy_info = NULL;
3339 struct fb_var_screeninfo *var = NULL;
3340 struct rk_lcdc_driver *dev_drv = NULL;
3341 u16 screen_x, screen_y;
3344 struct rk_screen primary_screen;
3345 rk_fb_get_prmry_screen(&primary_screen);
3346 if (primary_screen.type == SCREEN_HDMI) {
3349 pr_err("fuck not be hear--%s\n",__func__);
3352 sprintf(name, "lcdc%d", lcdc_id);
3354 if (inf->disp_mode == DUAL) {
3355 dev_drv = rk_get_lcdc_drv(name);
3356 if (dev_drv == NULL) {
3357 printk(KERN_ERR "%s driver not found!", name);
3361 dev_drv = inf->lcdc_dev_drv[0];
3364 if (inf->num_lcdc == 1) {
3366 } else if (inf->num_lcdc == 2) {
3367 info = inf->fb[dev_drv->lcdc_win_num];
3368 pmy_info = inf->fb[0];
3372 screen_x = dev_drv->cur_screen->mode.xres;
3373 screen_y = dev_drv->cur_screen->mode.yres;
3375 if (inf->disp_mode != DUAL && dev_drv->screen1) {
3376 dev_drv->cur_screen->xpos =
3377 (screen_x - screen_x * scale_x / 100) >> 1;
3378 dev_drv->cur_screen->ypos =
3379 (screen_y - screen_y * scale_y / 100) >> 1;
3380 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3381 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3383 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3384 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3385 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3386 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3387 if (inf->disp_mode == ONE_DUAL) {
3388 var->nonstd &= 0xff;
3389 var->nonstd |= (xpos << 8) + (ypos << 20);
3390 var->grayscale &= 0xff;
3392 (dev_drv->cur_screen->xsize << 8) +
3393 (dev_drv->cur_screen->ysize << 20);
3397 mutex_lock(&dev_drv->win_config);
3398 info->fbops->fb_set_par(info);
3399 dev_drv->ops->cfg_done(dev_drv);
3400 mutex_unlock(&dev_drv->win_config);
3405 #if defined(CONFIG_ION_ROCKCHIP)
3406 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3407 struct rk_lcdc_win *win,
3408 unsigned long fb_mem_size)
3410 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3411 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3412 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3413 struct ion_handle *handle;
3414 ion_phys_addr_t phy_addr;
3418 if (dev_drv->iommu_enabled)
3419 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3420 ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3422 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3423 ION_HEAP(ION_CMA_HEAP_ID), 0);
3424 if (IS_ERR(handle)) {
3425 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3430 fb_par->ion_hdl = handle;
3431 win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3432 if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3433 printk("ion_share_dma_buf() failed\n");
3434 goto err_share_dma_buf;
3436 win->area[0].ion_hdl = handle;
3437 if (dev_drv->prop == PRMRY)
3438 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3439 #ifdef CONFIG_ROCKCHIP_IOMMU
3440 if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3441 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3442 (unsigned long *)&phy_addr,
3443 (unsigned long *)&len);
3445 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3447 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3450 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3451 goto err_share_dma_buf;
3453 fbi->fix.smem_start = phy_addr;
3454 fbi->fix.smem_len = len;
3455 printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3459 ion_free(rk_fb->ion_client, handle);
3464 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3466 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3467 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3468 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3469 struct rk_lcdc_win *win = NULL;
3472 unsigned long fb_mem_size;
3473 #if !defined(CONFIG_ION_ROCKCHIP)
3474 dma_addr_t fb_mem_phys;
3478 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3482 win = dev_drv->win[win_id];
3484 if (!strcmp(fbi->fix.id, "fb0")) {
3485 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3486 #if defined(CONFIG_ION_ROCKCHIP)
3487 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3490 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3491 &fb_mem_phys, GFP_KERNEL);
3493 pr_err("%s: Failed to allocate framebuffer\n",
3497 fbi->fix.smem_len = fb_mem_size;
3498 fbi->fix.smem_start = fb_mem_phys;
3499 fbi->screen_base = fb_mem_virt;
3501 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3503 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3504 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3505 fbi->screen_base = rk_fb->fb[0]->screen_base;
3508 fbi->screen_size = fbi->fix.smem_len;
3509 fb_par->fb_phy_base = fbi->fix.smem_start;
3510 fb_par->fb_virt_base = fbi->screen_base;
3511 fb_par->fb_size = fbi->fix.smem_len;
3513 pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3514 fbi->fix.smem_start, fbi->screen_base,
3520 static int rk_release_fb_buffer(struct fb_info *fbi)
3522 /* buffer for fb1 and fb3 are alloc by android */
3523 if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3525 iounmap(fbi->screen_base);
3526 release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3531 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3532 struct rk_lcdc_win *def_win)
3535 int lcdc_win_num = dev_drv->lcdc_win_num;
3537 for (i = 0; i < lcdc_win_num; i++) {
3538 struct rk_lcdc_win *win = NULL;
3539 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3541 dev_err(dev_drv->dev, "kzmalloc for win fail!");
3545 strcpy(win->name, def_win[i].name);
3546 win->id = def_win[i].id;
3547 win->support_3d = def_win[i].support_3d;
3548 dev_drv->win[i] = win;
3554 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3555 struct rk_lcdc_win *def_win, int index)
3557 struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3558 struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3559 sizeof(struct rk_screen),
3563 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3568 screen->screen_id = 0;
3569 screen->lcdc_id = dev_drv->id;
3570 screen->overscan.left = 100;
3571 screen->overscan.top = 100;
3572 screen->overscan.right = 100;
3573 screen->overscan.bottom = 100;
3575 screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3576 screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3578 dev_drv->screen0 = screen;
3579 dev_drv->cur_screen = screen;
3580 /* devie use one lcdc + rk61x scaler for dual display */
3581 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3582 struct rk_screen *screen1 =
3583 devm_kzalloc(dev_drv->dev,
3584 sizeof(struct rk_screen),
3587 dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3591 screen1->screen_id = 1;
3592 screen1->lcdc_id = 1;
3593 dev_drv->screen1 = screen1;
3595 sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3596 init_lcdc_win(dev_drv, def_win);
3597 init_completion(&dev_drv->frame_done);
3598 spin_lock_init(&dev_drv->cpl_lock);
3599 mutex_init(&dev_drv->fb_win_id_mutex);
3600 mutex_init(&dev_drv->win_config);
3601 mutex_init(&dev_drv->front_lock);
3602 mutex_init(&dev_drv->switch_screen);
3603 dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3604 dev_drv->first_frame = 1;
3605 dev_drv->overscan.left = 100;
3606 dev_drv->overscan.top = 100;
3607 dev_drv->overscan.right = 100;
3608 dev_drv->overscan.bottom = 100;
3609 rk_disp_pwr_ctr_parse_dt(dev_drv);
3610 if (dev_drv->prop == PRMRY) {
3611 rk_fb_set_prmry_screen(screen);
3612 rk_fb_get_prmry_screen(screen);
3614 dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3615 if (dev_drv->prop != PRMRY)
3616 rk_fb_get_prmry_screen(screen);
3617 dev_drv->output_color = screen->color_mode;
3622 #ifdef CONFIG_LOGO_LINUX_BMP
3623 static struct linux_logo *bmp_logo;
3624 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3626 bmp_logo = fb_find_logo(24);
3627 if (bmp_logo == NULL) {
3628 printk(KERN_INFO "%s error\n", __func__);
3634 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3636 unsigned char *src = bmp_logo->data;
3637 unsigned char *dst = info->screen_base;
3639 unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3640 unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3642 for (i = 0; i < Needheight; i++)
3643 memcpy(dst + info->var.xres * i * 4,
3644 src + bmp_logo->width * i * 4, Needwidth * 4);
3649 * check if the primary lcdc has registerd,
3650 * the primary lcdc mas register first
3652 bool is_prmry_rk_lcdc_registered(void)
3654 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3656 if (rk_fb->lcdc_dev_drv[0])
3662 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3663 struct rk_lcdc_win *win, int id)
3665 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3666 struct fb_info *fbi;
3667 struct rk_fb_par *fb_par = NULL;
3668 int i = 0, ret = 0, index = 0;
3670 if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3673 for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3674 if (!rk_fb->lcdc_dev_drv[i]) {
3675 rk_fb->lcdc_dev_drv[i] = dev_drv;
3676 rk_fb->lcdc_dev_drv[i]->id = id;
3683 init_lcdc_device_driver(rk_fb, win, index);
3684 dev_drv->fb_index_base = rk_fb->num_fb;
3685 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3686 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3688 dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3691 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
3694 dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
3698 fb_par->id = rk_fb->num_fb;
3699 fb_par->lcdc_drv = dev_drv;
3700 fbi->par = (void *)fb_par;
3703 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3704 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3705 fbi->var.grayscale |=
3706 (fbi->var.xres << 8) + (fbi->var.yres << 20);
3707 #if defined(CONFIG_LOGO_LINUX_BMP)
3708 fbi->var.bits_per_pixel = 32;
3710 fbi->var.bits_per_pixel = 16;
3712 fbi->fix.line_length =
3713 (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3714 fbi->var.width = dev_drv->cur_screen->width;
3715 fbi->var.height = dev_drv->cur_screen->height;
3716 if (dev_drv->iommu_enabled)
3717 fb_ops.fb_mmap = rk_fb_mmap;
3718 fbi->fbops = &fb_ops;
3719 fbi->flags = FBINFO_FLAG_DEFAULT;
3720 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3721 ret = register_framebuffer(fbi);
3723 dev_err(&fb_pdev->dev,
3724 "%s fb%d register_framebuffer fail!\n",
3725 __func__, rk_fb->num_fb);
3728 rkfb_create_sysfs(fbi);
3729 rk_fb->fb[rk_fb->num_fb] = fbi;
3730 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3735 init_waitqueue_head(&dev_drv->vsync_info.wait);
3736 init_waitqueue_head(&dev_drv->update_regs_wait);
3737 ret = device_create_file(fbi->dev, &dev_attr_vsync);
3740 "failed to create vsync file\n");
3741 dev_drv->vsync_info.thread =
3742 kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3744 if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3746 "failed to run vsync thread\n");
3747 dev_drv->vsync_info.thread = NULL;
3749 dev_drv->vsync_info.active = 1;
3751 mutex_init(&dev_drv->output_lock);
3753 INIT_LIST_HEAD(&dev_drv->update_regs_list);
3754 mutex_init(&dev_drv->update_regs_list_lock);
3755 init_kthread_worker(&dev_drv->update_regs_worker);
3757 dev_drv->update_regs_thread =
3758 kthread_run(kthread_worker_fn,
3759 &dev_drv->update_regs_worker, "rk-fb");
3760 if (IS_ERR(dev_drv->update_regs_thread)) {
3761 int err = PTR_ERR(dev_drv->update_regs_thread);
3762 dev_drv->update_regs_thread = NULL;
3764 printk("failed to run update_regs thread\n");
3767 init_kthread_work(&dev_drv->update_regs_work,
3768 rk_fb_update_regs_handler);
3771 sw_sync_timeline_create("fb-timeline");
3772 dev_drv->timeline_max = 1;
3776 /* show logo for primary display device */
3777 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
3778 if (dev_drv->prop == PRMRY) {
3782 struct fb_info *main_fbi = rk_fb->fb[0];
3783 main_fbi->fbops->fb_open(main_fbi, 1);
3784 main_fbi->var.pixclock = dev_drv->pixclock;
3785 #if defined(CONFIG_ROCKCHIP_IOMMU)
3786 if (dev_drv->iommu_enabled) {
3787 if (dev_drv->mmu_dev)
3788 rockchip_iovmm_set_fault_handler(dev_drv->dev,
3789 rk_fb_sysmmu_fault_handler);
3793 rk_fb_alloc_buffer(main_fbi); /* only alloc memory for main fb */
3794 dev_drv->uboot_logo = support_uboot_display();
3796 if (dev_drv->uboot_logo &&
3797 uboot_logo_offset && uboot_logo_base) {
3798 int width, height, bits;
3799 phys_addr_t start = uboot_logo_base + uboot_logo_offset;
3800 unsigned int size = uboot_logo_size - uboot_logo_offset;
3801 unsigned int nr_pages;
3802 struct page **pages;
3806 if (dev_drv->ops->get_dspbuf_info)
3807 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3808 &yact, &format, &dsp_addr);
3809 nr_pages = size >> PAGE_SHIFT;
3810 pages = kzalloc(sizeof(struct page) * nr_pages,
3812 while (i < nr_pages) {
3813 pages[i] = phys_to_page(start);
3817 vaddr = vmap(pages, nr_pages, VM_MAP,
3818 pgprot_writecombine(PAGE_KERNEL));
3820 pr_err("failed to vmap phy addr 0x%lx\n",
3821 (long)(uboot_logo_base +
3822 uboot_logo_offset));
3826 if(bmpdecoder(vaddr, main_fbi->screen_base, &width,
3834 if (dev_drv->uboot_logo &&
3835 (width != xact || height != yact)) {
3836 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
3837 xact, yact, width, height);
3841 if (dev_drv->ops->post_dspbuf) {
3842 dev_drv->ops->post_dspbuf(dev_drv,
3843 main_fbi->fix.smem_start,
3844 rk_fb_data_fmt(0, bits),
3845 width, height, width * bits >> 5);
3847 if (dev_drv->iommu_enabled) {
3848 rk_fb_poll_wait_frame_complete();
3849 if (dev_drv->ops->mmu_en)
3850 dev_drv->ops->mmu_en(dev_drv);
3855 } else if (dev_drv->uboot_logo && uboot_logo_base) {
3856 u32 start = uboot_logo_base;
3857 u32 start_base = start;
3859 unsigned int nr_pages;
3860 struct page **pages;
3863 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3866 logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
3867 if (logo_len > uboot_logo_size ||
3868 logo_len > main_fbi->fix.smem_len) {
3869 pr_err("logo size > uboot reserve buffer size\n");
3873 nr_pages = uboot_logo_size >> PAGE_SHIFT;
3874 pages = kzalloc(sizeof(struct page) * nr_pages,
3876 while (i < nr_pages) {
3877 pages[i] = phys_to_page(start);
3881 vaddr = vmap(pages, nr_pages, VM_MAP,
3882 pgprot_writecombine(PAGE_KERNEL));
3884 pr_err("failed to vmap phy addr 0x%x\n",
3889 memcpy(main_fbi->screen_base, vaddr, logo_len);
3894 dev_drv->ops->post_dspbuf(dev_drv,
3895 main_fbi->fix.smem_start,
3897 xact * rk_fb_pixel_width(format) >> 5);
3898 if (dev_drv->iommu_enabled) {
3899 rk_fb_poll_wait_frame_complete();
3900 if (dev_drv->ops->mmu_en)
3901 dev_drv->ops->mmu_en(dev_drv);
3906 if (dev_drv->iommu_enabled) {
3907 if (dev_drv->ops->mmu_en)
3908 dev_drv->ops->mmu_en(dev_drv);
3912 #if defined(CONFIG_LOGO)
3913 main_fbi->fbops->fb_set_par(main_fbi);
3914 #if defined(CONFIG_LOGO_LINUX_BMP)
3915 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
3916 fb_set_cmap(&main_fbi->cmap, main_fbi);
3917 fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
3920 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
3921 fb_set_cmap(&main_fbi->cmap, main_fbi);
3922 fb_show_logo(main_fbi, FB_ROTATE_UR);
3925 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
3928 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
3929 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
3930 rk_fb_alloc_buffer(extend_fbi);
3936 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
3938 struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
3939 struct fb_info *fbi;
3940 int fb_index_base = dev_drv->fb_index_base;
3941 int fb_num = dev_drv->lcdc_win_num;
3944 if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
3945 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
3946 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
3949 for (i = 0; i < fb_num; i++)
3950 kfree(dev_drv->win[i]);
3952 for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
3953 fbi = fb_inf->fb[i];
3954 unregister_framebuffer(fbi);
3955 /* rk_release_fb_buffer(fbi); */
3956 framebuffer_release(fbi);
3958 fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
3964 static int rk_fb_probe(struct platform_device *pdev)
3966 struct rk_fb *rk_fb = NULL;
3967 struct device_node *np = pdev->dev.of_node;
3971 dev_err(&pdev->dev, "Missing device tree node.\n");
3975 rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
3977 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
3980 platform_set_drvdata(pdev, rk_fb);
3982 if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
3983 rk_fb->disp_mode = mode;
3986 dev_err(&pdev->dev, "no disp-mode node found!");
3990 if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
3991 rk_fb->disp_policy = mode;
3992 pr_info("fb disp policy is %s\n", rk_fb->disp_policy ? "box":"sdk");
3995 if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
3996 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
3998 dev_set_name(&pdev->dev, "rockchip-fb");
3999 #if defined(CONFIG_ION_ROCKCHIP)
4000 rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4001 if (IS_ERR(rk_fb->ion_client)) {
4002 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4003 return PTR_ERR(rk_fb->ion_client);
4005 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4010 dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4014 static int rk_fb_remove(struct platform_device *pdev)
4016 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4019 platform_set_drvdata(pdev, NULL);
4023 static void rk_fb_shutdown(struct platform_device *pdev)
4025 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4028 for (i = 0; i < rk_fb->num_lcdc; i++) {
4029 if (!rk_fb->lcdc_dev_drv[i])
4034 static const struct of_device_id rkfb_dt_ids[] = {
4035 {.compatible = "rockchip,rk-fb",},
4039 static struct platform_driver rk_fb_driver = {
4040 .probe = rk_fb_probe,
4041 .remove = rk_fb_remove,
4044 .owner = THIS_MODULE,
4045 .of_match_table = of_match_ptr(rkfb_dt_ids),
4047 .shutdown = rk_fb_shutdown,
4050 static int __init rk_fb_init(void)
4052 return platform_driver_register(&rk_fb_driver);
4055 static void __exit rk_fb_exit(void)
4057 platform_driver_unregister(&rk_fb_driver);
4060 fs_initcall(rk_fb_init);
4061 module_exit(rk_fb_exit);