2 * drivers/video/rockchip/rk_fb.c
4 * Copyright (C) ROCKCHIP, Inc.
5 * Author:yxj<yxj@rock-chips.com>
6 * This software is licensed under the terms of the GNU General Public
7 * License version 2, as published by the Free Software Foundation, and
8 * may be copied, distributed, and modified under those terms.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
16 #include <linux/module.h>
17 #include <linux/kernel.h>
18 #include <linux/errno.h>
19 #include <linux/string.h>
21 #include <linux/slab.h>
22 #include <linux/delay.h>
23 #include <linux/device.h>
24 #include <linux/kthread.h>
26 #include <linux/init.h>
27 #include <linux/vmalloc.h>
28 #include <asm/div64.h>
29 #include <linux/uaccess.h>
30 #include <linux/rk_fb.h>
31 #include <linux/linux_logo.h>
32 #include <linux/dma-mapping.h>
33 #include <linux/regulator/consumer.h>
35 #include "bmp_helper.h"
37 #if defined(CONFIG_RK_HDMI)
38 #include "hdmi/rockchip-hdmi.h"
41 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
47 #include <linux/of_platform.h>
48 #include <linux/of_gpio.h>
49 #include <video/of_display_timing.h>
50 #include <video/display_timing.h>
51 #include <dt-bindings/rkfb/rk_fb.h>
54 #if defined(CONFIG_ION_ROCKCHIP)
55 #include <linux/rockchip_ion.h>
56 #include <linux/rockchip-iovmm.h>
57 #include <linux/dma-buf.h>
58 #include <linux/highmem.h>
62 /* #define FB_ROATE_BY_KERNEL 1 */
64 static int hdmi_switch_state;
65 static struct platform_device *fb_pdev;
67 #if defined(CONFIG_FB_MIRRORING)
68 int (*video_data_to_mirroring) (struct fb_info *info, u32 yuv_phy[2]);
69 EXPORT_SYMBOL(video_data_to_mirroring);
72 extern phys_addr_t uboot_logo_base;
73 extern phys_addr_t uboot_logo_size;
74 extern phys_addr_t uboot_logo_offset;
75 static struct rk_fb_trsm_ops *trsm_lvds_ops;
76 static struct rk_fb_trsm_ops *trsm_edp_ops;
77 static struct rk_fb_trsm_ops *trsm_mipi_ops;
78 static int uboot_logo_on;
79 int support_uboot_display(void)
84 int rk_fb_get_display_policy(void)
89 rk_fb = platform_get_drvdata(fb_pdev);
90 return rk_fb->disp_policy;
92 return DISPLAY_POLICY_SDK;
96 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
101 case SCREEN_DUAL_LVDS:
102 case SCREEN_LVDS_10BIT:
103 case SCREEN_DUAL_LVDS_10BIT:
110 case SCREEN_DUAL_MIPI:
114 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
121 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
123 struct rk_fb_trsm_ops *ops;
127 case SCREEN_DUAL_LVDS:
128 case SCREEN_LVDS_10BIT:
129 case SCREEN_DUAL_LVDS_10BIT:
136 case SCREEN_DUAL_MIPI:
141 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
148 int rk_fb_pixel_width(int data_format)
151 switch (data_format) {
179 printk(KERN_WARNING "%s:un supported format:0x%x\n",
180 __func__, data_format);
186 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
190 switch (data_format) {
191 case HAL_PIXEL_FORMAT_RGBX_8888:
192 fb_data_fmt = XBGR888;
194 case HAL_PIXEL_FORMAT_RGBA_8888:
195 fb_data_fmt = ABGR888;
197 case HAL_PIXEL_FORMAT_BGRA_8888:
198 fb_data_fmt = ARGB888;
200 case HAL_PIXEL_FORMAT_RGB_888:
201 fb_data_fmt = RGB888;
203 case HAL_PIXEL_FORMAT_RGB_565:
204 fb_data_fmt = RGB565;
206 case HAL_PIXEL_FORMAT_YCbCr_422_SP: /* yuv422 */
207 fb_data_fmt = YUV422;
209 case HAL_PIXEL_FORMAT_YCrCb_420_SP: /* YUV420---vuvuvu */
210 fb_data_fmt = YUV420_NV21;
212 case HAL_PIXEL_FORMAT_YCrCb_NV12: /* YUV420---uvuvuv */
213 fb_data_fmt = YUV420;
215 case HAL_PIXEL_FORMAT_YCrCb_444: /* yuv444 */
216 fb_data_fmt = YUV444;
218 case HAL_PIXEL_FORMAT_YCrCb_NV12_10: /* yuv444 */
219 fb_data_fmt = YUV420_A;
221 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10: /* yuv444 */
222 fb_data_fmt = YUV422_A;
224 case HAL_PIXEL_FORMAT_YCrCb_420_SP_10: /* yuv444 */
225 fb_data_fmt = YUV444_A;
227 case HAL_PIXEL_FORMAT_FBDC_RGB565: /* fbdc rgb565*/
228 fb_data_fmt = FBDC_RGB_565;
230 case HAL_PIXEL_FORMAT_FBDC_U8U8U8U8: /* fbdc argb888 */
231 fb_data_fmt = FBDC_ARGB_888;
233 case HAL_PIXEL_FORMAT_FBDC_RGBA888: /* fbdc abgr888 */
234 fb_data_fmt = FBDC_ABGR_888;
236 case HAL_PIXEL_FORMAT_FBDC_U8U8U8: /* fbdc rgb888 */
237 fb_data_fmt = FBDC_RGBX_888;
240 printk(KERN_WARNING "%s:un supported format:0x%x\n",
241 __func__, data_format);
245 switch (bits_per_pixel) {
247 fb_data_fmt = ARGB888;
250 fb_data_fmt = RGB888;
253 fb_data_fmt = RGB565;
257 "%s:un supported bits_per_pixel:%d\n", __func__,
266 * rk display power control parse from dts
268 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
270 struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
272 struct device_node *child;
273 struct rk_disp_pwr_ctr_list *pwr_ctr;
274 struct list_head *pos;
275 enum of_gpio_flags flags;
280 INIT_LIST_HEAD(&dev_drv->pwrlist_head);
282 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
287 for_each_child_of_node(root, child) {
288 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
290 strcpy(pwr_ctr->pwr_ctr.name, child->name);
291 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
293 pwr_ctr->pwr_ctr.type = GPIO;
294 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
295 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
296 dev_err(dev_drv->dev, "%s ivalid gpio\n",
300 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
301 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
304 dev_err(dev_drv->dev,
305 "request %s gpio fail:%d\n",
310 pwr_ctr->pwr_ctr.type = REGULATOR;
311 pwr_ctr->pwr_ctr.rgl_name = NULL;
312 ret = of_property_read_string(child, "rockchip,regulator_name",
313 &(pwr_ctr->pwr_ctr.rgl_name));
314 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
315 dev_err(dev_drv->dev, "get regulator name failed!\n");
316 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
317 pwr_ctr->pwr_ctr.volt = val;
319 pwr_ctr->pwr_ctr.volt = 0;
323 if (!of_property_read_u32(child, "rockchip,delay", &val))
324 pwr_ctr->pwr_ctr.delay = val;
326 pwr_ctr->pwr_ctr.delay = 0;
327 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
330 of_property_read_u32(root, "rockchip,debug", &debug);
333 list_for_each(pos, &dev_drv->pwrlist_head) {
334 pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
336 printk(KERN_INFO "pwr_ctr_name:%s\n"
341 pwr_ctr->pwr_ctr.name,
342 (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
343 pwr_ctr->pwr_ctr.gpio,
344 pwr_ctr->pwr_ctr.atv_val,
345 pwr_ctr->pwr_ctr.delay);
353 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
355 struct list_head *pos;
356 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
357 struct pwr_ctr *pwr_ctr;
358 struct regulator *regulator_lcd = NULL;
361 if (list_empty(&dev_drv->pwrlist_head))
363 list_for_each(pos, &dev_drv->pwrlist_head) {
364 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
366 pwr_ctr = &pwr_ctr_list->pwr_ctr;
367 if (pwr_ctr->type == GPIO) {
368 gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
369 mdelay(pwr_ctr->delay);
370 } else if (pwr_ctr->type == REGULATOR) {
371 if (pwr_ctr->rgl_name)
372 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
373 if (regulator_lcd == NULL) {
374 dev_err(dev_drv->dev,
375 "%s: regulator get failed,regulator name:%s\n",
376 __func__, pwr_ctr->rgl_name);
379 regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
380 while (!regulator_is_enabled(regulator_lcd)) {
381 if (regulator_enable(regulator_lcd) == 0 || count == 0)
384 dev_err(dev_drv->dev,
385 "regulator_enable failed,count=%d\n",
389 regulator_put(regulator_lcd);
390 msleep(pwr_ctr->delay);
397 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
399 struct list_head *pos;
400 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
401 struct pwr_ctr *pwr_ctr;
402 struct regulator *regulator_lcd = NULL;
405 if (list_empty(&dev_drv->pwrlist_head))
407 list_for_each(pos, &dev_drv->pwrlist_head) {
408 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
410 pwr_ctr = &pwr_ctr_list->pwr_ctr;
411 if (pwr_ctr->type == GPIO) {
412 gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
413 } else if (pwr_ctr->type == REGULATOR) {
414 if (pwr_ctr->rgl_name)
415 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
416 if (regulator_lcd == NULL) {
417 dev_err(dev_drv->dev,
418 "%s: regulator get failed,regulator name:%s\n",
419 __func__, pwr_ctr->rgl_name);
422 while (regulator_is_enabled(regulator_lcd) > 0) {
423 if (regulator_disable(regulator_lcd) == 0 || count == 0)
426 dev_err(dev_drv->dev,
427 "regulator_disable failed,count=%d\n",
431 regulator_put(regulator_lcd);
437 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
438 struct rk_screen *screen)
440 screen->mode.pixclock = dt->pixelclock.typ;
441 screen->mode.left_margin = dt->hback_porch.typ;
442 screen->mode.right_margin = dt->hfront_porch.typ;
443 screen->mode.xres = dt->hactive.typ;
444 screen->mode.hsync_len = dt->hsync_len.typ;
445 screen->mode.upper_margin = dt->vback_porch.typ;
446 screen->mode.lower_margin = dt->vfront_porch.typ;
447 screen->mode.yres = dt->vactive.typ;
448 screen->mode.vsync_len = dt->vsync_len.typ;
449 screen->type = dt->screen_type;
450 screen->lvds_format = dt->lvds_format;
451 screen->face = dt->face;
452 screen->color_mode = dt->color_mode;
453 screen->dsp_lut = dt->dsp_lut;
454 screen->cabc_lut = dt->cabc_lut;
455 screen->cabc_gamma_base = dt->cabc_gamma_base;
457 if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
458 screen->pin_dclk = 1;
460 screen->pin_dclk = 0;
461 if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
462 screen->pin_hsync = 1;
464 screen->pin_hsync = 0;
465 if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
466 screen->pin_vsync = 1;
468 screen->pin_vsync = 0;
469 if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
478 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
480 struct display_timings *disp_timing;
481 struct display_timing *dt;
482 disp_timing = of_get_display_timings(np);
484 pr_err("parse display timing err\n");
487 dt = display_timings_get(disp_timing, disp_timing->native_mode);
488 rk_fb_video_mode_from_timing(dt, screen);
493 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
496 unsigned long long hz;
498 printk(KERN_ERR "%s:null screen!\n", __func__);
501 x = screen->mode.xres + screen->mode.left_margin +
502 screen->mode.right_margin + screen->mode.hsync_len;
503 y = screen->mode.yres + screen->mode.upper_margin +
504 screen->mode.lower_margin + screen->mode.vsync_len;
506 hz = 1000000000000ULL; /* 1e12 picoseconds per second */
509 do_div(hz, x * y); /* divide by x * y with rounding */
512 do_div(hz, pixclock); /* divide by pixclock with rounding */
517 char *get_format_string(enum data_format format, char *fmt)
523 strcpy(fmt, "ARGB888");
526 strcpy(fmt, "RGB888");
529 strcpy(fmt, "RGB565");
533 strcpy(fmt, "YUV420");
536 strcpy(fmt, "YUV422");
539 strcpy(fmt, "YUV444");
542 strcpy(fmt, "YUV420_A");
545 strcpy(fmt, "YUV422_A");
548 strcpy(fmt, "YUV444_A");
551 strcpy(fmt, "XRGB888");
554 strcpy(fmt, "XBGR888");
557 strcpy(fmt, "ABGR888");
560 strcpy(fmt, "FBDC_RGB_565");
564 strcpy(fmt, "FBDC_ARGB_888");
567 strcpy(fmt, "FBDC_RGBX_888");
570 strcpy(fmt, "invalid");
580 * name: lcdc device name ,lcdc0 , lcdc1
582 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
584 struct rk_fb *inf = NULL;
585 struct rk_lcdc_driver *dev_drv = NULL;
589 inf = platform_get_drvdata(fb_pdev);
593 for (i = 0; i < inf->num_lcdc; i++) {
594 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
595 dev_drv = inf->lcdc_dev_drv[i];
603 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
605 struct rk_fb *inf = NULL;
606 struct rk_lcdc_driver *dev_drv = NULL;
610 inf = platform_get_drvdata(fb_pdev);
614 for (i = 0; i < inf->num_lcdc; i++) {
615 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
616 dev_drv = inf->lcdc_dev_drv[i];
624 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
626 struct rk_fb *inf = NULL;
627 struct rk_lcdc_driver *dev_drv = NULL;
631 inf = platform_get_drvdata(fb_pdev);
635 for (i = 0; i < inf->num_lcdc; i++) {
636 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
637 dev_drv = inf->lcdc_dev_drv[i];
646 * get one frame time of the prmry screen, unit: us
648 u32 rk_fb_get_prmry_screen_ft(void)
650 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
651 uint32_t htotal, vtotal, pixclock_ps;
652 u64 pix_total, ft_us;
654 if (unlikely(!dev_drv))
657 pixclock_ps = dev_drv->pixclock;
659 vtotal = (dev_drv->cur_screen->mode.upper_margin +
660 dev_drv->cur_screen->mode.lower_margin +
661 dev_drv->cur_screen->mode.yres +
662 dev_drv->cur_screen->mode.vsync_len);
663 htotal = (dev_drv->cur_screen->mode.left_margin +
664 dev_drv->cur_screen->mode.right_margin +
665 dev_drv->cur_screen->mode.xres +
666 dev_drv->cur_screen->mode.hsync_len);
667 pix_total = htotal * vtotal;
668 ft_us = pix_total * pixclock_ps;
669 do_div(ft_us, 1000000);
670 if (dev_drv->frame_time.ft == 0)
671 dev_drv->frame_time.ft = ft_us;
673 ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
675 ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
677 dev_drv->frame_time.ft = ft_us;
679 return dev_drv->frame_time.ft;
683 * get the vblanking time of the prmry screen, unit: us
685 u32 rk_fb_get_prmry_screen_vbt(void)
687 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
688 uint32_t htotal, vblank, pixclock_ps;
689 u64 pix_blank, vbt_us;
691 if (unlikely(!dev_drv))
694 pixclock_ps = dev_drv->pixclock;
696 htotal = (dev_drv->cur_screen->mode.left_margin +
697 dev_drv->cur_screen->mode.right_margin +
698 dev_drv->cur_screen->mode.xres +
699 dev_drv->cur_screen->mode.hsync_len);
700 vblank = (dev_drv->cur_screen->mode.upper_margin +
701 dev_drv->cur_screen->mode.lower_margin +
702 dev_drv->cur_screen->mode.vsync_len);
703 pix_blank = htotal * vblank;
704 vbt_us = pix_blank * pixclock_ps;
705 do_div(vbt_us, 1000000);
710 * get the frame done time of the prmry screen, unit: us
712 u64 rk_fb_get_prmry_screen_framedone_t(void)
714 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
716 if (unlikely(!dev_drv))
719 return dev_drv->frame_time.framedone_t;
723 * set prmry screen status
725 int rk_fb_set_prmry_screen_status(int status)
727 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
728 struct rk_screen *screen;
730 if (unlikely(!dev_drv))
733 screen = dev_drv->cur_screen;
735 case SCREEN_PREPARE_DDR_CHANGE:
736 if (screen->type == SCREEN_MIPI
737 || screen->type == SCREEN_DUAL_MIPI) {
738 if (dev_drv->trsm_ops->dsp_pwr_off)
739 dev_drv->trsm_ops->dsp_pwr_off();
742 case SCREEN_UNPREPARE_DDR_CHANGE:
743 if (screen->type == SCREEN_MIPI
744 || screen->type == SCREEN_DUAL_MIPI) {
745 if (dev_drv->trsm_ops->dsp_pwr_on)
746 dev_drv->trsm_ops->dsp_pwr_on();
756 u32 rk_fb_get_prmry_screen_pixclock(void)
758 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
760 if (unlikely(!dev_drv))
763 return dev_drv->pixclock;
766 int rk_fb_poll_prmry_screen_vblank(void)
768 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
770 if (likely(dev_drv)) {
771 if (dev_drv->ops->poll_vblank)
772 return dev_drv->ops->poll_vblank(dev_drv);
774 return RK_LF_STATUS_NC;
776 return RK_LF_STATUS_NC;
780 bool rk_fb_poll_wait_frame_complete(void)
782 uint32_t timeout = RK_LF_MAX_TIMEOUT;
783 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
785 if (likely(dev_drv)) {
786 if (dev_drv->ops->set_irq_to_cpu)
787 dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
790 if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
791 if (likely(dev_drv)) {
792 if (dev_drv->ops->set_irq_to_cpu)
793 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
797 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
799 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
801 if (likely(dev_drv)) {
802 if (dev_drv->ops->set_irq_to_cpu)
803 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
810 /* rk_fb_get_sysmmu_device_by_compatible()
811 * @compt: dts device compatible name
812 * return value: success: pointer to the device inside of platform device
815 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
817 struct device_node *dn = NULL;
818 struct platform_device *pd = NULL;
819 struct device *ret = NULL ;
821 dn = of_find_compatible_node(NULL, NULL, compt);
823 printk("can't find device node %s \r\n", compt);
827 pd = of_find_device_by_node(dn);
829 printk("can't find platform device in device node %s \r\n", compt);
837 #ifdef CONFIG_IOMMU_API
838 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
840 dev->archdata.iommu = sysmmu;
843 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
849 static int rk_fb_open(struct fb_info *info, int user)
851 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
852 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
855 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
857 /* if this win aready opened ,no need to reopen */
858 if (dev_drv->win[win_id]->state)
861 dev_drv->ops->open(dev_drv, win_id, 1);
865 static int rk_fb_close(struct fb_info *info, int user)
867 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
868 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
869 struct rk_lcdc_win *win = NULL;
870 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
873 win = dev_drv->win[win_id];
876 if (!fb_par->state) {
877 if (fb_par->fb_phy_base > 0)
878 info->fix.smem_start = fb_par->fb_phy_base;
879 info->var.xres = dev_drv->screen0->mode.xres;
880 info->var.yres = dev_drv->screen0->mode.yres;
882 info->var.grayscale |=
883 (info->var.xres << 8) + (info->var.yres << 20);
885 info->var.xres_virtual = info->var.xres;
886 info->var.yres_virtual = info->var.yres;
887 #if defined(CONFIG_LOGO_LINUX_BMP)
888 info->var.bits_per_pixel = 32;
890 info->var.bits_per_pixel = 16;
892 info->fix.line_length =
893 (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
894 info->var.width = dev_drv->screen0->width;
895 info->var.height = dev_drv->screen0->height;
896 info->var.pixclock = dev_drv->pixclock;
897 info->var.left_margin = dev_drv->screen0->mode.left_margin;
898 info->var.right_margin = dev_drv->screen0->mode.right_margin;
899 info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
900 info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
901 info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
902 info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
909 #if defined(FB_ROATE_BY_KERNEL)
911 #if defined(CONFIG_RK29_IPP)
912 static int get_ipp_format(int fmt)
914 int ipp_fmt = IPP_XRGB_8888;
916 case HAL_PIXEL_FORMAT_RGBX_8888:
917 case HAL_PIXEL_FORMAT_RGBA_8888:
918 case HAL_PIXEL_FORMAT_BGRA_8888:
919 case HAL_PIXEL_FORMAT_RGB_888:
920 ipp_fmt = IPP_XRGB_8888;
922 case HAL_PIXEL_FORMAT_RGB_565:
923 ipp_fmt = IPP_RGB_565;
925 case HAL_PIXEL_FORMAT_YCbCr_422_SP:
926 ipp_fmt = IPP_Y_CBCR_H2V1;
928 case HAL_PIXEL_FORMAT_YCrCb_NV12:
929 ipp_fmt = IPP_Y_CBCR_H2V2;
931 case HAL_PIXEL_FORMAT_YCrCb_444:
932 ipp_fmt = IPP_Y_CBCR_H1V1;
935 ipp_fmt = IPP_IMGTYPE_LIMIT;
942 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
943 int rotation, int fmt)
948 if (fmt == IPP_XRGB_8888) {
951 } else if (fmt == IPP_RGB_565) {
958 align16 -= 1; /*for YUV, 1 */
959 align64 -= 1; /*for YUV, 7 */
961 if (rotation == IPP_ROT_0) {
962 if (fmt > IPP_RGB_565) {
963 if ((*dst_w & 1) != 0)
965 if ((*dst_h & 1) != 0)
967 if (*dst_vir_w < *dst_w)
971 if ((*dst_w & align64) != 0)
972 *dst_w = (*dst_w + align64) & (~align64);
973 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
975 if (*dst_vir_w < *dst_w)
980 static void fb_copy_by_ipp(struct fb_info *dst_info,
981 struct fb_info *src_info)
983 struct rk29_ipp_req ipp_req;
984 uint32_t rotation = 0;
985 int dst_w, dst_h, dst_vir_w;
987 u8 data_format = (dst_info->var.nonstd) & 0xff;
988 struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
989 struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
990 u16 orientation = ext_dev_drv->rotate_mode;
992 memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
994 switch (orientation) {
996 rotation = IPP_ROT_0;
999 rotation = IPP_ROT_90;
1002 rotation = IPP_ROT_180;
1005 rotation = IPP_ROT_270;
1008 rotation = IPP_ROT_270;
1012 dst_w = dst_info->var.xres;
1013 dst_h = dst_info->var.yres;
1014 dst_vir_w = dst_info->var.xres_virtual;
1015 ipp_fmt = get_ipp_format(data_format);
1016 ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1017 ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1018 ipp_req.src0.w = src_info->var.xres;
1019 ipp_req.src0.h = src_info->var.yres;
1020 ipp_req.src_vir_w = src_info->var.xres_virtual;
1021 ipp_req.src0.fmt = ipp_fmt;
1023 ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1024 ipp_req.dst0.w = dst_w;
1025 ipp_req.dst0.h = dst_h;
1026 ipp_req.dst_vir_w = dst_vir_w;
1027 ipp_req.dst0.fmt = ipp_fmt;
1029 ipp_req.timeout = 100;
1030 ipp_req.flag = rotation;
1031 ipp_blit_sync(&ipp_req);
1036 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1037 static int get_rga_format(int fmt)
1043 rga_fmt = RK_FORMAT_RGBX_8888;
1046 rga_fmt = RK_FORMAT_RGBA_8888;
1049 rga_fmt = RK_FORMAT_BGRA_8888;
1052 rga_fmt = RK_FORMAT_RGB_888;
1055 rga_fmt = RK_FORMAT_RGB_565;
1058 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1061 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1064 rga_fmt = RK_FORMAT_RGBA_8888;
1071 static void rga_win_check(struct rk_lcdc_win *dst_win,
1072 struct rk_lcdc_win *src_win)
1076 format = get_rga_format(src_win->area[0].format);
1077 /* width and height must be even number */
1078 if (format >= RK_FORMAT_YCbCr_422_SP &&
1079 format <= RK_FORMAT_YCrCb_420_P) {
1080 if ((src_win->area[0].xact % 2) != 0)
1081 src_win->area[0].xact += 1;
1082 if ((src_win->area[0].yact % 2) != 0)
1083 src_win->area[0].yact += 1;
1085 if (src_win->area[0].xvir < src_win->area[0].xact)
1086 src_win->area[0].xvir = src_win->area[0].xact;
1087 if (src_win->area[0].yvir < src_win->area[0].yact)
1088 src_win->area[0].yvir = src_win->area[0].yact;
1090 format = get_rga_format(dst_win->area[0].format);
1091 if (format >= RK_FORMAT_YCbCr_422_SP &&
1092 format <= RK_FORMAT_YCrCb_420_P) {
1093 if ((dst_win->area[0].xact % 2) != 0)
1094 dst_win->area[0].xact += 1;
1095 if ((dst_win->area[0].yact % 2) != 0)
1096 dst_win->area[0].yact += 1;
1098 if (dst_win->area[0].xvir < dst_win->area[0].xact)
1099 dst_win->area[0].xvir = dst_win->area[0].xact;
1100 if (dst_win->area[0].yvir < dst_win->area[0].yact)
1101 dst_win->area[0].yvir = dst_win->area[0].yact;
1104 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1105 struct rk_lcdc_win *src_win,
1106 u16 orientation, int iommu_en)
1108 struct rga_req Rga_Request;
1112 memset(&Rga_Request, 0, sizeof(Rga_Request));
1113 rga_win_check(dst_win, src_win);
1115 switch (orientation) {
1117 Rga_Request.rotate_mode = 1;
1118 Rga_Request.sina = 65536;
1119 Rga_Request.cosa = 0;
1120 Rga_Request.dst.act_w = dst_win->area[0].yact;
1121 Rga_Request.dst.act_h = dst_win->area[0].xact;
1122 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1123 Rga_Request.dst.y_offset = 0;
1126 Rga_Request.rotate_mode = 1;
1127 Rga_Request.sina = 0;
1128 Rga_Request.cosa = -65536;
1129 Rga_Request.dst.act_w = dst_win->area[0].xact;
1130 Rga_Request.dst.act_h = dst_win->area[0].yact;
1131 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1132 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1135 Rga_Request.rotate_mode = 1;
1136 Rga_Request.sina = -65536;
1137 Rga_Request.cosa = 0;
1138 Rga_Request.dst.act_w = dst_win->area[0].yact;
1139 Rga_Request.dst.act_h = dst_win->area[0].xact;
1140 Rga_Request.dst.x_offset = 0;
1141 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1144 Rga_Request.rotate_mode = 0;
1145 Rga_Request.dst.act_w = dst_win->area[0].xact;
1146 Rga_Request.dst.act_h = dst_win->area[0].yact;
1147 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1148 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1153 fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1154 Rga_Request.src.yrgb_addr = fd;
1155 fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1156 Rga_Request.dst.yrgb_addr = fd;
1158 Rga_Request.src.yrgb_addr = 0;
1159 Rga_Request.src.uv_addr =
1160 src_win->area[0].smem_start + src_win->area[0].y_offset;
1161 Rga_Request.src.v_addr = 0;
1163 Rga_Request.dst.yrgb_addr = 0;
1164 Rga_Request.dst.uv_addr =
1165 dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1166 Rga_Request.dst.v_addr = 0;
1168 Rga_Request.src.vir_w = src_win->area[0].xvir;
1169 Rga_Request.src.vir_h = src_win->area[0].yvir;
1170 Rga_Request.src.format = get_rga_format(src_win->area[0].format);
1171 Rga_Request.src.act_w = src_win->area[0].xact;
1172 Rga_Request.src.act_h = src_win->area[0].yact;
1173 Rga_Request.src.x_offset = 0;
1174 Rga_Request.src.y_offset = 0;
1176 Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1177 Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1178 Rga_Request.dst.format = get_rga_format(dst_win->area[0].format);
1180 Rga_Request.clip.xmin = 0;
1181 Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1182 Rga_Request.clip.ymin = 0;
1183 Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1184 Rga_Request.scale_mode = 0;
1185 #if defined(CONFIG_ROCKCHIP_IOMMU)
1187 Rga_Request.mmu_info.mmu_en = 1;
1188 Rga_Request.mmu_info.mmu_flag = 1;
1190 Rga_Request.mmu_info.mmu_en = 0;
1191 Rga_Request.mmu_info.mmu_flag = 0;
1194 Rga_Request.mmu_info.mmu_en = 0;
1195 Rga_Request.mmu_info.mmu_flag = 0;
1198 ret = rga_ioctl_kernel(&Rga_Request);
1202 * This function is used for copying fb by RGA Module
1203 * RGA only support copy RGB to RGB
1204 * RGA2 support copy RGB to RGB and YUV to YUV
1206 static void fb_copy_by_rga(struct fb_info *dst_info,
1207 struct fb_info *src_info)
1209 struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1210 struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1211 struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1212 struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1213 int win_id = 0, ext_win_id;
1214 struct rk_lcdc_win *src_win, *dst_win;
1216 win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1217 src_win = dev_drv->win[win_id];
1220 ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1221 dst_win = ext_dev_drv->win[ext_win_id];
1223 win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1224 ext_dev_drv->iommu_enabled);
1228 static int rk_fb_rotate(struct fb_info *dst_info,
1229 struct fb_info *src_info)
1232 #if defined(CONFIG_RK29_IPP)
1233 fb_copy_by_ipp(dst_info, src_info);
1234 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1235 fb_copy_by_rga(dst_info, src_info);
1242 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1243 struct rk_lcdc_win *src_win,
1244 u16 rotate, int iommu_en)
1246 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1247 win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1256 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1257 struct fb_info *info)
1259 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1260 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1261 struct fb_fix_screeninfo *fix = &info->fix;
1263 struct rk_lcdc_win *win = NULL;
1264 struct rk_screen *screen = dev_drv->cur_screen;
1265 u32 xoffset = var->xoffset;
1266 u32 yoffset = var->yoffset;
1267 u32 xvir = var->xres_virtual;
1270 u32 stride, uv_stride;
1273 u16 uv_x_off, uv_y_off, uv_y_act;
1276 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1280 win = dev_drv->win[win_id];
1282 pixel_width = rk_fb_pixel_width(win->area[0].format);
1283 vir_width_bit = pixel_width * xvir;
1284 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1285 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1287 switch (win->area[0].format) {
1291 stride = stride_32bit_1;
1292 uv_stride = stride_32bit_1 >> 1;
1293 uv_x_off = xoffset >> 1;
1295 fix->line_length = stride;
1296 uv_y_act = win->area[0].yact >> 1;
1298 case YUV420: /* nv12 */
1299 case YUV420_NV21: /* nv21 */
1302 stride = stride_32bit_1;
1303 uv_stride = stride_32bit_1;
1305 uv_y_off = yoffset >> 1;
1306 fix->line_length = stride;
1307 uv_y_act = win->area[0].yact >> 1;
1312 stride = stride_32bit_1;
1313 uv_stride = stride_32bit_2;
1314 uv_x_off = xoffset * 2;
1316 fix->line_length = stride << 2;
1317 uv_y_act = win->area[0].yact;
1320 stride = stride_32bit_1; /* default rgb */
1321 fix->line_length = stride;
1325 /* x y mirror ,jump line */
1326 if ((screen->y_mirror == 1) ||
1327 (win->mirror_en == 1)) {
1328 if (screen->interlace == 1) {
1329 win->area[0].y_offset = yoffset * stride * 2 +
1330 ((win->area[0].yact - 1) * 2 + 1) * stride +
1331 xoffset * pixel_width / 8;
1333 win->area[0].y_offset = yoffset * stride +
1334 (win->area[0].yact - 1) * stride +
1335 xoffset * pixel_width / 8;
1338 if (screen->interlace == 1) {
1339 win->area[0].y_offset =
1340 yoffset * stride * 2 + xoffset * pixel_width / 8;
1342 win->area[0].y_offset =
1343 yoffset * stride + xoffset * pixel_width / 8;
1346 if (is_pic_yuv == 1) {
1347 if ((screen->y_mirror == 1) ||
1348 (win->mirror_en == 1)) {
1349 if (screen->interlace == 1) {
1350 win->area[0].c_offset =
1351 uv_y_off * uv_stride * 2 +
1352 ((uv_y_act - 1) * 2 + 1) * uv_stride +
1353 uv_x_off * pixel_width / 8;
1355 win->area[0].c_offset = uv_y_off * uv_stride +
1356 (uv_y_act - 1) * uv_stride +
1357 uv_x_off * pixel_width / 8;
1360 if (screen->interlace == 1) {
1361 win->area[0].c_offset =
1362 uv_y_off * uv_stride * 2 +
1363 uv_x_off * pixel_width / 8;
1365 win->area[0].c_offset =
1366 uv_y_off * uv_stride +
1367 uv_x_off * pixel_width / 8;
1372 win->area[0].smem_start = fix->smem_start;
1373 win->area[0].cbr_start = fix->mmio_start;
1374 win->area[0].state = 1;
1377 dev_drv->ops->pan_display(dev_drv, win_id);
1379 #ifdef CONFIG_FB_MIRRORING
1380 if (video_data_to_mirroring)
1381 video_data_to_mirroring(info, NULL);
1383 /*if not want the config effect,set reserved[3] bit[0] 1*/
1384 if (likely((var->reserved[3] & 0x1) == 0))
1385 dev_drv->ops->cfg_done(dev_drv);
1390 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1394 i = list_empty(&dev_drv->update_regs_list);
1395 j = list_empty(&dev_drv->saved_list);
1396 return i == j ? 0 : 1;
1399 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1401 int err = sync_fence_wait(fence, 1000);
1407 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1410 printk("error waiting on fence\n");
1413 static int rk_fb_copy_from_loader(struct fb_info *info)
1415 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1416 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1417 void *dst = info->screen_base;
1422 struct rk_lcdc_win *win;
1424 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1425 win = dev_drv->win[win_id];
1426 size = (win->area[0].xact) * (win->area[0].yact) << 2;
1427 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1428 src = dsp_addr[win_id];
1429 dev_info(info->dev, "copy fb data %d x %d from dst_addr:%08x\n",
1430 win->area[0].xact, win->area[0].yact, src);
1431 for (i = 0; i < size; i += PAGE_SIZE) {
1432 void *page = phys_to_page(i + src);
1433 void *from_virt = kmap(page);
1434 void *to_virt = dst + i;
1435 memcpy(to_virt, from_virt, PAGE_SIZE);
1437 dev_drv->ops->direct_set_addr(dev_drv, win_id,
1438 info->fix.smem_start);
1442 #ifdef CONFIG_ROCKCHIP_IOMMU
1443 static int g_last_addr[4];
1448 #define DUMP_CHUNK 256
1449 char buf[PAGE_SIZE];
1451 int rk_fb_sysmmu_fault_handler(struct device *dev,
1452 enum rk_iommu_inttype itype,
1453 unsigned long pgtable_base,
1454 unsigned long fault_addr, unsigned int status)
1456 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1458 static int page_fault_cnt;
1459 if ((page_fault_cnt++) >= 10)
1462 ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1463 fault_addr, pgtable_base, status);
1464 printk("last config addr:\n" "win0:0x%08x\n" "win1:0x%08x\n"
1465 "win2:0x%08x\n" "win3:0x%08x\n", g_last_addr[0], g_last_addr[1],
1466 g_last_addr[2], g_last_addr[3]);
1467 printk("last freed buffer:\n");
1468 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1469 printk("%d:0x%08x\n", i, freed_addr[i]);
1470 printk("last timeout:%d\n", g_last_timeout);
1471 dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1472 for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1473 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1474 char c = buf[i + DUMP_CHUNK];
1475 buf[i + DUMP_CHUNK] = 0;
1476 pr_cont("%s", buf + i);
1477 buf[i + DUMP_CHUNK] = c;
1479 buf[PAGE_SIZE - 1] = 0;
1480 pr_cont("%s", buf + i);
1488 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1489 struct rk_fb_reg_win_data *reg_win_data)
1492 struct rk_fb_reg_area_data *area_data;
1493 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1495 for (i = 0; i < reg_win_data->area_num; i++) {
1496 area_data = ®_win_data->reg_area_data[i];
1497 index_buf = area_data->index_buf;
1498 #if defined(CONFIG_ROCKCHIP_IOMMU)
1499 if (dev_drv->iommu_enabled) {
1500 if ((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
1501 (area_data->ion_handle != NULL))
1502 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1503 area_data->ion_handle);
1504 freed_addr[freed_index++] = area_data->smem_start;
1507 if (area_data->ion_handle != NULL)
1508 ion_free(rk_fb->ion_client, area_data->ion_handle);
1510 if (area_data->acq_fence)
1511 sync_fence_put(area_data->acq_fence);
1513 memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1516 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1517 struct rk_lcdc_win *win,
1518 struct rk_fb_reg_win_data *reg_win_data)
1521 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1522 struct rk_screen *cur_screen;
1523 struct rk_screen primary_screen;
1525 if (unlikely(!inf) || unlikely(!dev_drv) ||
1526 unlikely(!win) || unlikely(!reg_win_data))
1529 cur_screen = dev_drv->cur_screen;
1530 rk_fb_get_prmry_screen(&primary_screen);
1532 win->area_num = reg_win_data->area_num;
1533 win->id = reg_win_data->win_id;
1534 win->z_order = reg_win_data->z_order;
1536 if (reg_win_data->reg_area_data[0].smem_start > 0) {
1538 win->area_num = reg_win_data->area_num;
1539 win->id = reg_win_data->win_id;
1540 win->z_order = reg_win_data->z_order;
1541 win->area[0].uv_vir_stride =
1542 reg_win_data->reg_area_data[0].uv_vir_stride;
1543 win->area[0].cbr_start =
1544 reg_win_data->reg_area_data[0].cbr_start;
1545 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1546 win->alpha_en = reg_win_data->alpha_en;
1547 win->alpha_mode = reg_win_data->alpha_mode;
1548 win->g_alpha_val = reg_win_data->g_alpha_val;
1549 win->mirror_en = reg_win_data->mirror_en;
1550 win->area[0].fbdc_en =
1551 reg_win_data->reg_area_data[0].fbdc_en;
1552 win->area[0].fbdc_cor_en =
1553 reg_win_data->reg_area_data[0].fbdc_cor_en;
1554 win->area[0].fbdc_data_format =
1555 reg_win_data->reg_area_data[0].fbdc_data_format;
1556 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1557 if (reg_win_data->reg_area_data[i].smem_start > 0) {
1558 win->area[i].format =
1559 reg_win_data->reg_area_data[i].data_format;
1560 if (inf->disp_policy != DISPLAY_POLICY_BOX)
1561 win->area[i].ion_hdl =
1562 reg_win_data->reg_area_data[i].ion_handle;
1563 win->area[i].smem_start =
1564 reg_win_data->reg_area_data[i].smem_start;
1565 if (inf->disp_mode == DUAL ||
1566 inf->disp_mode == NO_DUAL ||
1567 inf->disp_policy == DISPLAY_POLICY_BOX) {
1569 reg_win_data->reg_area_data[i].xpos;
1571 reg_win_data->reg_area_data[i].ypos;
1572 win->area[i].xsize =
1573 reg_win_data->reg_area_data[i].xsize;
1574 win->area[i].ysize =
1575 reg_win_data->reg_area_data[i].ysize;
1578 reg_win_data->reg_area_data[i].xpos *
1579 cur_screen->mode.xres /
1580 primary_screen.mode.xres;
1582 reg_win_data->reg_area_data[i].ypos *
1583 cur_screen->mode.yres /
1584 primary_screen.mode.yres;
1585 win->area[i].xsize =
1586 reg_win_data->reg_area_data[i].xsize *
1587 cur_screen->mode.xres /
1588 primary_screen.mode.xres;
1589 win->area[i].ysize =
1590 reg_win_data->reg_area_data[i].ysize *
1591 cur_screen->mode.yres /
1592 primary_screen.mode.yres;
1594 /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1595 if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
1596 if (cur_screen->xsize > 0 &&
1597 cur_screen->xsize <= cur_screen->mode.xres) {
1599 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1600 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1601 win->area[i].xsize =
1602 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1604 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1606 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1607 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1608 win->area[i].ysize =
1609 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1614 reg_win_data->reg_area_data[i].xact;
1616 reg_win_data->reg_area_data[i].yact;
1618 reg_win_data->reg_area_data[i].xvir;
1620 reg_win_data->reg_area_data[i].yvir;
1622 reg_win_data->reg_area_data[i].xoff;
1624 reg_win_data->reg_area_data[i].yoff;
1625 win->area[i].y_offset =
1626 reg_win_data->reg_area_data[i].y_offset;
1627 win->area[i].y_vir_stride =
1628 reg_win_data->reg_area_data[i].y_vir_stride;
1629 win->area[i].state = 1;
1631 win->area[i].state = 0;
1642 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1646 struct rk_fb_reg_win_data *win_data = NULL;
1647 for (i = 0; i < regs->win_num; i++) {
1648 if (regs->reg_win_data[i].win_id == win_id) {
1649 win_data = &(regs->reg_win_data[i]);
1657 static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
1658 struct rk_fb_reg_data *regs,
1661 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1662 int i, j, wait_for_vsync = false;
1663 unsigned int dsp_addr[5][4];
1664 unsigned int area_support[5] = {1, 1, 1, 1, 1};
1667 if (dev_drv->ops->get_dsp_addr)
1668 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1670 if (dev_drv->ops->area_support_num)
1671 dev_drv->ops->area_support_num(dev_drv, area_support);
1673 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1674 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1675 (!strcmp(dev_drv->win[i]->name, "hwc")))
1678 for (j = 0;j < RK_WIN_MAX_AREA; j++) {
1679 if ((j > 0) && (area_support[i] == 1)) {
1682 if (dev_drv->win[i]->area[j].state == 1) {
1684 dev_drv->win[i]->area[j].smem_start +
1685 dev_drv->win[i]->area[j].y_offset;
1686 u32 reg_start = dsp_addr[i][j];
1687 if ((rk_fb->disp_policy ==
1688 DISPLAY_POLICY_BOX) &&
1689 (dev_drv->suspend_flag))
1691 if (unlikely(new_start != reg_start)) {
1692 wait_for_vsync = true;
1693 dev_info(dev_drv->dev,
1694 "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1695 i, new_start, reg_start, 101 - count);
1698 } else if (dev_drv->win[i]->area[j].state == 0) {
1699 if (dev_drv->ops->get_win_state) {
1701 dev_drv->ops->get_win_state(dev_drv, i, j);
1703 wait_for_vsync = true;
1706 pr_err("!!!win[%d]state:%d,error!!!\n",
1707 i, dev_drv->win[i]->state);
1712 return wait_for_vsync;
1715 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1716 struct rk_fb_reg_data *regs)
1719 struct rk_lcdc_win *win;
1720 ktime_t timestamp = dev_drv->vsync_info.timestamp;
1721 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1722 struct rk_fb_reg_win_data *win_data;
1723 bool wait_for_vsync;
1727 /* acq_fence wait */
1728 for (i = 0; i < regs->win_num; i++) {
1729 win_data = ®s->reg_win_data[i];
1730 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1731 if (win_data->reg_area_data[j].acq_fence) {
1732 /* printk("acq_fence wait!!!!!\n"); */
1733 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1738 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1739 win = dev_drv->win[i];
1740 win_data = rk_fb_get_win_data(regs, i);
1742 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1743 (win_data->reg_area_data[0].data_format == YUV420 ||
1744 win_data->reg_area_data[0].data_format == YUV420_NV21 ||
1745 win_data->reg_area_data[0].data_format == YUV420_A))
1747 mutex_lock(&dev_drv->win_config);
1748 rk_fb_update_win(dev_drv, win, win_data);
1750 dev_drv->ops->set_par(dev_drv, i);
1751 dev_drv->ops->pan_display(dev_drv, i);
1752 mutex_unlock(&dev_drv->win_config);
1753 #if defined(CONFIG_ROCKCHIP_IOMMU)
1754 if (dev_drv->iommu_enabled) {
1755 g_last_addr[i] = win_data->reg_area_data[0].smem_start +
1756 win_data->reg_area_data[0].y_offset;
1764 dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1765 if (dev_drv->ops->dsp_black)
1766 dev_drv->ops->dsp_black(dev_drv, 0);
1767 dev_drv->ops->cfg_done(dev_drv);
1770 timestamp = dev_drv->vsync_info.timestamp;
1771 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1772 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1773 msecs_to_jiffies(25));
1775 wait_for_vsync = rk_fb_reg_effect(dev_drv, regs, count);
1776 } while (wait_for_vsync && count--);
1778 sw_sync_timeline_inc(dev_drv->timeline, 1);
1781 if (dev_drv->front_regs) {
1782 #if defined(CONFIG_ROCKCHIP_IOMMU)
1783 if (dev_drv->iommu_enabled) {
1784 if (dev_drv->ops->mmu_en)
1785 dev_drv->ops->mmu_en(dev_drv);
1787 g_last_timeout = timeout;
1791 mutex_lock(&dev_drv->front_lock);
1793 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1794 win_data = &dev_drv->front_regs->reg_win_data[i];
1795 rk_fb_free_dma_buf(dev_drv, win_data);
1797 kfree(dev_drv->front_regs);
1799 mutex_unlock(&dev_drv->front_lock);
1801 #if defined(CONFIG_ROCKCHIP_IOMMU)
1802 if (dev_drv->iommu_enabled)
1803 freed_addr[freed_index] = 0xfefefefe;
1807 mutex_lock(&dev_drv->front_lock);
1809 dev_drv->front_regs = regs;
1811 mutex_unlock(&dev_drv->front_lock);
1814 static void rk_fb_update_regs_handler(struct kthread_work *work)
1816 struct rk_lcdc_driver *dev_drv =
1817 container_of(work, struct rk_lcdc_driver, update_regs_work);
1818 struct rk_fb_reg_data *data, *next;
1820 mutex_lock(&dev_drv->update_regs_list_lock);
1821 dev_drv->saved_list = dev_drv->update_regs_list;
1822 list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1823 mutex_unlock(&dev_drv->update_regs_list_lock);
1825 list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1826 rk_fb_update_reg(dev_drv, data);
1827 list_del(&data->list);
1830 if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1831 wake_up(&dev_drv->update_regs_wait);
1834 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1835 struct rk_screen *screen)
1837 if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1838 (area_par->xact <= 0) || (area_par->yact <= 0) ||
1839 (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1840 pr_err("check config var fail 0:\n"
1841 "x_offset=%d,xact=%d,xvir=%d\n",
1842 area_par->x_offset, area_par->xact, area_par->xvir);
1846 if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1847 (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1848 (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1849 pr_warn("check config var fail 1:\n"
1850 "xpos=%d,xsize=%d,xres=%d\n"
1851 "ypos=%d,ysize=%d,yres=%d\n",
1852 area_par->xpos, area_par->xsize, screen->mode.xres,
1853 area_par->ypos, area_par->ysize, screen->mode.yres);
1859 static int rk_fb_set_win_buffer(struct fb_info *info,
1860 struct rk_fb_win_par *win_par,
1861 struct rk_fb_reg_win_data *reg_win_data)
1863 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1864 struct fb_fix_screeninfo *fix = &info->fix;
1865 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1866 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1867 /*if hdmi size move to hwc,screen should point to cur_screen
1868 otherwise point to screen0[main screen]*/
1869 struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
1870 struct fb_info *fbi;
1871 int i, ion_fd, acq_fence_fd;
1873 u32 xoffset, yoffset;
1875 struct ion_handle *hdl;
1881 u32 stride, uv_stride;
1884 u16 uv_x_off, uv_y_off, uv_y_act;
1886 u8 ppixel_a = 0, global_a = 0;
1887 ion_phys_addr_t phy_addr;
1891 reg_win_data->reg_area_data[0].smem_start = -1;
1892 reg_win_data->area_num = 0;
1893 fbi = rk_fb->fb[reg_win_data->win_id];
1894 if (win_par->area_par[0].phy_addr == 0) {
1895 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1896 ion_fd = win_par->area_par[i].ion_fd;
1899 ion_import_dma_buf(rk_fb->ion_client,
1902 pr_info("%s: Could not import handle:"
1903 " %ld\n", __func__, (long)hdl);
1904 /*return -EINVAL; */
1907 reg_win_data->area_num++;
1908 reg_win_data->reg_area_data[i].ion_handle = hdl;
1909 #ifndef CONFIG_ROCKCHIP_IOMMU
1910 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
1913 if (dev_drv->iommu_enabled)
1914 ret = ion_map_iommu(dev_drv->dev,
1917 (unsigned long *)&phy_addr,
1918 (unsigned long *)&len);
1920 ret = ion_phys(rk_fb->ion_client, hdl,
1924 dev_err(fbi->dev, "ion map to get phy addr failed\n");
1925 ion_free(rk_fb->ion_client, hdl);
1928 reg_win_data->reg_area_data[i].smem_start = phy_addr;
1929 reg_win_data->area_buf_num++;
1930 reg_win_data->reg_area_data[i].index_buf = 1;
1931 reg_win_data->reg_area_data[i].buff_len = len;
1935 reg_win_data->reg_area_data[0].smem_start =
1936 win_par->area_par[0].phy_addr;
1937 reg_win_data->area_num = 1;
1938 reg_win_data->area_buf_num++;
1939 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
1942 if (reg_win_data->area_num == 0)
1945 for (i = 0; i < reg_win_data->area_num; i++) {
1946 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
1947 index_buf = reg_win_data->reg_area_data[i].index_buf;
1948 if ((acq_fence_fd > 0) && (index_buf == 1)) {
1949 reg_win_data->reg_area_data[i].acq_fence =
1950 sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
1953 if (reg_win_data->reg_area_data[0].smem_start > 0) {
1954 reg_win_data->z_order = win_par->z_order;
1955 reg_win_data->win_id = win_par->win_id;
1957 reg_win_data->z_order = -1;
1958 reg_win_data->win_id = -1;
1961 reg_win_data->mirror_en = win_par->mirror_en;
1962 for (i = 0; i < reg_win_data->area_num; i++) {
1963 /*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
1965 fb_data_fmt = rk_fb_data_fmt(win_par->area_par[i].data_format, 0);
1966 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
1967 if (fb_data_fmt >= FBDC_RGB_565) {
1968 reg_win_data->reg_area_data[i].fbdc_en = 1;
1969 reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
1971 reg_win_data->reg_area_data[i].fbdc_en = 0;
1972 reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
1974 pixel_width = rk_fb_pixel_width(fb_data_fmt);
1976 ppixel_a |= ((fb_data_fmt == ARGB888) ||
1977 (fb_data_fmt == FBDC_ARGB_888) ||
1978 (fb_data_fmt == FBDC_ABGR_888) ||
1979 (fb_data_fmt == ABGR888)) ? 1 : 0;
1980 /* visiable pos in panel */
1981 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
1982 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
1984 /* realy size in panel */
1985 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
1986 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
1988 /* realy size in panel */
1989 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
1990 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
1992 xoffset = win_par->area_par[i].x_offset; /* buf offset */
1993 yoffset = win_par->area_par[i].y_offset;
1994 reg_win_data->reg_area_data[i].xoff = xoffset;
1995 reg_win_data->reg_area_data[i].yoff = yoffset;
1997 xvir = win_par->area_par[i].xvir;
1998 reg_win_data->reg_area_data[i].xvir = xvir;
1999 yvir = win_par->area_par[i].yvir;
2000 reg_win_data->reg_area_data[i].yvir = yvir;
2002 vir_width_bit = pixel_width * xvir;
2003 /* pixel_width = byte_num*8 */
2004 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2005 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2007 stride = stride_32bit_1; /* default rgb */
2008 fix->line_length = stride;
2009 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2011 /* x y mirror ,jump line
2012 * reg_win_data->reg_area_data[i].y_offset =
2013 * yoffset*stride+xoffset*pixel_width/8;
2015 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2016 if (screen->interlace == 1) {
2017 reg_win_data->reg_area_data[i].y_offset =
2018 yoffset * stride * 2 +
2019 ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2020 xoffset * pixel_width / 8;
2022 reg_win_data->reg_area_data[i].y_offset =
2024 (reg_win_data->reg_area_data[i].yact - 1) * stride +
2025 xoffset * pixel_width / 8;
2028 if (screen->interlace == 1) {
2029 reg_win_data->reg_area_data[i].y_offset =
2030 yoffset * stride * 2 +
2031 xoffset * pixel_width / 8;
2033 reg_win_data->reg_area_data[i].y_offset =
2035 xoffset * pixel_width / 8;
2038 if ((fb_data_fmt != YUV420) &&
2039 (fb_data_fmt != YUV420_NV21) &&
2040 (fb_data_fmt != YUV422) &&
2041 (fb_data_fmt != YUV444) &&
2042 dev_drv->iommu_enabled) {
2043 buff_len = reg_win_data->reg_area_data[i].y_offset +
2044 reg_win_data->reg_area_data[i].xvir *
2045 reg_win_data->reg_area_data[i].yact *
2047 reg_win_data->reg_area_data[i].xoff*
2049 if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2050 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2052 "=buff_len[0x%x]>>mmu len=0x%x\n",
2054 reg_win_data->reg_area_data[i].xvir,
2055 reg_win_data->reg_area_data[i].yact,
2056 pixel_width, buff_len,
2057 reg_win_data->reg_area_data[i].buff_len);
2061 global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2062 reg_win_data->alpha_en = ppixel_a | global_a;
2063 reg_win_data->g_alpha_val = win_par->g_alpha_val;
2064 reg_win_data->alpha_mode = win_par->alpha_mode;
2066 switch (fb_data_fmt) {
2070 stride = stride_32bit_1;
2071 uv_stride = stride_32bit_1 >> 1;
2072 uv_x_off = xoffset >> 1;
2074 fix->line_length = stride;
2075 uv_y_act = win_par->area_par[0].yact >> 1;
2077 case YUV420: /* nv12 */
2078 case YUV420_NV21: /* nv21 */
2081 stride = stride_32bit_1;
2082 uv_stride = stride_32bit_1;
2084 uv_y_off = yoffset >> 1;
2085 fix->line_length = stride;
2086 uv_y_act = win_par->area_par[0].yact >> 1;
2091 stride = stride_32bit_1;
2092 uv_stride = stride_32bit_2;
2093 uv_x_off = xoffset * 2;
2095 fix->line_length = stride << 2;
2096 uv_y_act = win_par->area_par[0].yact;
2101 if (is_pic_yuv == 1) {
2102 reg_win_data->reg_area_data[0].cbr_start =
2103 reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2104 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2105 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2106 if (screen->interlace == 1) {
2107 reg_win_data->reg_area_data[0].c_offset =
2108 uv_y_off * uv_stride * 2 +
2109 ((uv_y_act - 1) * 2 + 1) * uv_stride +
2110 uv_x_off * pixel_width / 8;
2112 reg_win_data->reg_area_data[0].c_offset =
2113 uv_y_off * uv_stride +
2114 (uv_y_act - 1) * uv_stride +
2115 uv_x_off * pixel_width / 8;
2118 if (screen->interlace == 1) {
2119 reg_win_data->reg_area_data[0].c_offset =
2120 uv_y_off * uv_stride * 2 +
2121 uv_x_off * pixel_width / 8;
2123 reg_win_data->reg_area_data[0].c_offset =
2124 uv_y_off * uv_stride +
2125 uv_x_off * pixel_width / 8;
2128 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2129 reg_win_data->reg_area_data[0].c_offset +
2130 reg_win_data->reg_area_data[0].xvir *
2131 reg_win_data->reg_area_data[0].yact *
2133 reg_win_data->reg_area_data[0].smem_start -
2134 reg_win_data->reg_area_data[0].xoff*
2136 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2137 dev_drv->iommu_enabled)
2138 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2140 "=buff_len[0x%x]>>mmu len=0x%x\n",
2142 reg_win_data->reg_area_data[0].xvir,
2143 reg_win_data->reg_area_data[0].yact,
2144 pixel_width, buff_len,
2145 reg_win_data->reg_area_data[0].buff_len);
2148 /* record buffer information for rk_fb_disp_scale to prevent fence timeout
2149 * because rk_fb_disp_scale will call function info->fbops->fb_set_par(info);
2151 info->var.yoffset = yoffset;
2152 info->var.xoffset = xoffset;
2156 static int rk_fb_set_win_config(struct fb_info *info,
2157 struct rk_fb_win_cfg_data *win_data)
2159 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2160 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2161 struct rk_fb_reg_data *regs;
2163 struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2164 struct sync_fence *retire_fence;
2165 struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2166 struct sync_pt *retire_sync_pt;
2167 char fence_name[20];
2169 int ret = 0, i, j = 0;
2170 int list_is_empty = 0;
2171 struct rk_screen *screen = dev_drv->cur_screen;
2173 for (i = 0; i < 4; i++) {
2174 for (j = 0; j < 4; j++) {
2175 if (win_data->win_par[i].area_par[j].ion_fd > 0)
2176 ret += rk_fb_check_config_var(
2177 &win_data->win_par[i].area_par[j],
2181 if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
2182 dev_drv->timeline_max++;
2183 sw_sync_timeline_inc(dev_drv->timeline, 1);
2184 if (dev_drv->suspend_flag)
2185 pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
2186 else if (dev_drv->hdmi_switch)
2187 pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
2189 pr_err("error config ,ignore\n");
2190 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2191 win_data->rel_fence_fd[j] = -1;
2195 regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2197 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2202 for (i = 0,j = 0; i < dev_drv->lcdc_win_num; i++) {
2203 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2204 if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2205 ®s->reg_win_data[j]))
2207 if (regs->reg_win_data[j].area_num > 0) {
2210 regs->reg_win_data[j].area_buf_num;
2214 printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2215 printk(KERN_INFO "i=%d,win_id=%d\n", i,
2216 win_data->win_par[i].win_id);
2220 mutex_lock(&dev_drv->output_lock);
2222 dev_drv->timeline_max++;
2224 for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2225 if (i < regs->buf_num) {
2226 sprintf(fence_name, "fence%d", i);
2227 win_data->rel_fence_fd[i] = get_unused_fd();
2228 if (win_data->rel_fence_fd[i] < 0) {
2229 printk(KERN_INFO "rel_fence_fd=%d\n",
2230 win_data->rel_fence_fd[i]);
2234 release_sync_pt[i] =
2235 sw_sync_pt_create(dev_drv->timeline,
2236 dev_drv->timeline_max);
2238 sync_fence_create(fence_name, release_sync_pt[i]);
2239 sync_fence_install(release_fence[i],
2240 win_data->rel_fence_fd[i]);
2242 win_data->rel_fence_fd[i] = -1;
2246 win_data->ret_fence_fd = get_unused_fd();
2247 if (win_data->ret_fence_fd < 0) {
2248 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2249 win_data->ret_fence_fd = -1;
2254 sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2255 retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2256 sync_fence_install(retire_fence, win_data->ret_fence_fd);
2258 for (i = 0; i < RK_MAX_BUF_NUM; i++)
2259 win_data->rel_fence_fd[i] = -1;
2261 win_data->ret_fence_fd = -1;
2263 if (dev_drv->wait_fs == 0) {
2264 mutex_lock(&dev_drv->update_regs_list_lock);
2265 list_add_tail(®s->list, &dev_drv->update_regs_list);
2266 mutex_unlock(&dev_drv->update_regs_list_lock);
2267 queue_kthread_work(&dev_drv->update_regs_worker,
2268 &dev_drv->update_regs_work);
2270 mutex_lock(&dev_drv->update_regs_list_lock);
2271 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2272 list_empty(&dev_drv->saved_list);
2273 mutex_unlock(&dev_drv->update_regs_list_lock);
2274 if (!list_is_empty) {
2275 ret = wait_event_timeout(dev_drv->update_regs_wait,
2276 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2277 msecs_to_jiffies(60));
2279 rk_fb_update_reg(dev_drv, regs);
2281 printk("%s: wait update_regs_wait timeout\n", __func__);
2282 } else if (ret == 0) {
2283 rk_fb_update_reg(dev_drv, regs);
2288 mutex_unlock(&dev_drv->output_lock);
2293 static int cfgdone_distlist[10] = { 0 };
2295 static int cfgdone_index;
2296 static int cfgdone_lasttime;
2298 int rk_get_real_fps(int before)
2300 struct timespec now;
2306 int index = cfgdone_index;
2315 getnstimeofday(&now);
2316 dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2322 for (i = 0; i < 10; i++) {
2325 total += cfgdone_distlist[index];
2327 dist_first = cfgdone_distlist[index];
2328 if (total < (before * 1000)) {
2330 printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2332 dist_total += cfgdone_distlist[index];
2340 printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2342 dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2343 dist_total += dist_curr;
2347 fps = (1000000 * dist_count) / dist_total;
2352 printk("curr2 %d, fps=%d\n", dist_curr, fps);
2356 EXPORT_SYMBOL(rk_get_real_fps);
2359 #ifdef CONFIG_ROCKCHIP_IOMMU
2361 static struct ion_handle *ion_hanle[ION_MAX];
2362 static struct ion_handle *ion_hwc[1];
2364 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2367 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2368 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2369 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2370 struct fb_fix_screeninfo *fix = &info->fix;
2371 struct rk_lcdc_win *win;
2372 int enable; /* enable fb:1 enable;0 disable */
2373 int ovl; /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2374 int num_buf; /* buffer_number */
2376 struct rk_fb_win_cfg_data win_data;
2377 unsigned int dsp_addr[4][4];
2380 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2382 void __user *argp = (void __user *)arg;
2383 win = dev_drv->win[win_id];
2386 case RK_FBIOSET_HWC_ADDR:
2389 if (copy_from_user(hwc_phy, argp, 4))
2391 #ifdef CONFIG_ROCKCHIP_IOMMU
2392 if (!dev_drv->iommu_enabled) {
2394 fix->smem_start = hwc_phy[0];
2395 #ifdef CONFIG_ROCKCHIP_IOMMU
2398 struct ion_handle *hdl;
2399 ion_phys_addr_t phy_addr;
2402 usr_fd = hwc_phy[0];
2404 fix->smem_start = 0;
2405 fix->mmio_start = 0;
2406 dev_drv->ops->open(dev_drv, win_id, 0);
2410 if (ion_hwc[0] != 0) {
2411 ion_free(rk_fb->ion_client, ion_hwc[0]);
2415 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2417 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2422 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2423 (unsigned long *)&phy_addr,
2424 (unsigned long *)&len);
2426 dev_err(info->dev, "ion map to get hwc phy addr failed");
2427 ion_free(rk_fb->ion_client, hdl);
2430 fix->smem_start = phy_addr;
2436 case RK_FBIOSET_YUV_ADDR:
2440 if (copy_from_user(yuv_phy, argp, 8))
2442 #ifdef CONFIG_ROCKCHIP_IOMMU
2443 if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2445 fix->smem_start = yuv_phy[0];
2446 fix->mmio_start = yuv_phy[1];
2447 #ifdef CONFIG_ROCKCHIP_IOMMU
2449 int usr_fd, offset, tmp;
2450 struct ion_handle *hdl;
2451 ion_phys_addr_t phy_addr;
2454 usr_fd = yuv_phy[0];
2455 offset = yuv_phy[1] - yuv_phy[0];
2457 fix->smem_start = 0;
2458 fix->mmio_start = 0;
2462 if (ion_hanle[ION_MAX - 1] != 0) {
2463 /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2464 /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2465 ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2466 ion_hanle[ION_MAX - 1] = 0;
2469 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2471 dev_err(info->dev, "failed to get ion handle:%ld\n",
2476 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2477 (unsigned long *)&phy_addr,
2478 (unsigned long *)&len);
2480 dev_err(info->dev, "ion map to get phy addr failed");
2481 ion_free(rk_fb->ion_client, hdl);
2484 fix->smem_start = phy_addr;
2485 fix->mmio_start = phy_addr + offset;
2486 fix->smem_len = len;
2487 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2490 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2491 ion_hanle[tmp] = ion_hanle[tmp - 1];
2497 case RK_FBIOSET_ENABLE:
2498 if (copy_from_user(&enable, argp, sizeof(enable)))
2500 if (enable && fb_par->state)
2504 dev_drv->ops->open(dev_drv, win_id, enable);
2506 case RK_FBIOGET_ENABLE:
2507 enable = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
2508 if (copy_to_user(argp, &enable, sizeof(enable)))
2511 case RK_FBIOSET_OVERLAY_STA:
2512 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2514 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2516 case RK_FBIOGET_OVERLAY_STA:
2517 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2518 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2521 case RK_FBIOPUT_NUM_BUFFERS:
2522 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2524 dev_drv->num_buf = num_buf;
2526 case RK_FBIOSET_VSYNC_ENABLE:
2527 if (copy_from_user(&enable, argp, sizeof(enable)))
2529 dev_drv->vsync_info.active = enable;
2532 case RK_FBIOGET_DSP_ADDR:
2533 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2534 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2537 case RK_FBIOGET_LIST_STA:
2538 list_stat = rk_fb_get_list_stat(dev_drv);
2539 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2543 case RK_FBIOGET_IOMMU_STA:
2544 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2545 sizeof(dev_drv->iommu_enabled)))
2548 #if defined(CONFIG_ION_ROCKCHIP)
2549 case RK_FBIOSET_DMABUF_FD:
2552 struct ion_handle *hdl;
2553 ion_phys_addr_t phy_addr;
2555 if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2557 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2558 ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2559 fix->smem_start = phy_addr;
2562 case RK_FBIOGET_DMABUF_FD:
2566 if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2568 "get dma_buf fd failed,ion handle is err\n");
2569 return PTR_ERR(fb_par->ion_hdl);
2571 fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2575 "ion_share_dma_buf_fd failed\n");
2578 if (copy_to_user(argp, &fd, sizeof(fd)))
2583 case RK_FBIOSET_CLEAR_FB:
2584 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2586 case RK_FBIOSET_CONFIG_DONE:
2589 struct timespec now;
2591 getnstimeofday(&now);
2592 curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2593 cfgdone_distlist[cfgdone_index++] =
2594 curr - cfgdone_lasttime;
2596 printk("%d ", curr - cfgdone_lasttime);
2598 cfgdone_lasttime = curr;
2599 if (cfgdone_index >= 10)
2602 if (copy_from_user(&win_data,
2603 (struct rk_fb_win_cfg_data __user *)argp,
2604 sizeof(win_data))) {
2609 dev_drv->wait_fs = win_data.wait_fs;
2610 rk_fb_set_win_config(info, &win_data);
2612 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2613 &win_data, sizeof(win_data))) {
2617 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2620 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2627 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2629 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2630 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2631 struct fb_fix_screeninfo *fix = &info->fix;
2633 #if defined(CONFIG_RK_HDMI)
2634 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2637 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2640 #if defined(CONFIG_RK_HDMI)
2641 if ((rk_fb->disp_mode == ONE_DUAL) &&
2642 (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2643 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2647 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2652 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2654 if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2655 (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2656 ((16 != var->bits_per_pixel) &&
2657 (32 != var->bits_per_pixel) &&
2658 (24 != var->bits_per_pixel))) {
2659 dev_err(info->dev, "%s check var fail 1:\n"
2660 "xres_vir:%d>>yres_vir:%d\n"
2661 "xres:%d>>yres:%d\n"
2662 "bits_per_pixel:%d\n",
2666 var->xres, var->yres, var->bits_per_pixel);
2670 if (((var->xoffset + var->xres) > var->xres_virtual) ||
2671 ((var->yoffset + var->yres) > (var->yres_virtual))) {
2672 dev_err(info->dev, "%s check_var fail 2:\n"
2673 "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2674 "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2679 var->yoffset, var->yres, var->yres_virtual);
2686 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2687 size_t count, loff_t *ppos)
2689 unsigned long p = *ppos;
2692 int c, cnt = 0, err = 0;
2693 unsigned long total_size;
2694 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2695 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2696 struct rk_lcdc_win *win = NULL;
2699 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2703 win = dev_drv->win[win_id];
2705 /* only read the current frame buffer */
2706 if (win->area[0].format == RGB565) {
2707 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2708 } else if ((win->area[0].format == YUV420) ||
2709 (win->area[0].format == YUV420_NV21)) {
2711 (win->area[0].y_vir_stride * win->area[0].yact * 6);
2713 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2715 if (p >= total_size)
2718 if (count >= total_size)
2721 if (count + p > total_size)
2722 count = total_size - p;
2724 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2728 src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2731 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2733 fb_memcpy_fromfb(dst, src, c);
2737 if (copy_to_user(buf, buffer, c)) {
2749 return (err) ? err : cnt;
2752 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2753 size_t count, loff_t *ppos)
2755 unsigned long p = *ppos;
2758 int c, cnt = 0, err = 0;
2759 unsigned long total_size;
2760 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2761 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2762 struct rk_lcdc_win *win = NULL;
2765 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2769 win = dev_drv->win[win_id];
2771 /* write the current frame buffer */
2772 if (win->area[0].format == RGB565)
2773 total_size = win->area[0].xact * win->area[0].yact << 1;
2775 total_size = win->area[0].xact * win->area[0].yact << 2;
2780 if (count > total_size) {
2785 if (count + p > total_size) {
2789 count = total_size - p;
2792 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2796 dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2799 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2802 if (copy_from_user(src, buf, c)) {
2807 fb_memcpy_tofb(dst, src, c);
2818 return (cnt) ? cnt : err;
2821 static int rk_fb_set_par(struct fb_info *info)
2823 struct fb_var_screeninfo *var = &info->var;
2824 struct fb_fix_screeninfo *fix = &info->fix;
2825 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2826 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2827 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2828 struct rk_lcdc_win *win = NULL;
2829 struct rk_screen *screen = dev_drv->cur_screen;
2831 u32 cblen = 0, crlen = 0;
2832 u16 xsize = 0, ysize = 0; /* winx display window height/width --->LCDC_WINx_DSP_INFO */
2833 u32 xoffset = var->xoffset; /* offset from virtual to visible */
2834 u32 yoffset = var->yoffset;
2835 u16 xpos = (var->nonstd >> 8) & 0xfff; /*visiable pos in panel */
2836 u16 ypos = (var->nonstd >> 20) & 0xfff;
2837 u32 xvir = var->xres_virtual;
2838 u32 yvir = var->yres_virtual;
2839 u8 data_format = var->nonstd & 0xff;
2843 u32 stride, uv_stride;
2846 u16 uv_x_off, uv_y_off, uv_y_act;
2848 /*var->pixclock = dev_drv->pixclock;*/
2849 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2853 win = dev_drv->win[win_id];
2855 /* if the application has specific the horizontal and vertical display size */
2856 if (var->grayscale >> 8) {
2857 xsize = (var->grayscale >> 8) & 0xfff;
2858 ysize = (var->grayscale >> 20) & 0xfff;
2859 if (xsize > screen->mode.xres)
2860 xsize = screen->mode.xres;
2861 if (ysize > screen->mode.yres)
2862 ysize = screen->mode.yres;
2863 } else { /*ohterwise full screen display */
2864 xsize = screen->mode.xres;
2865 ysize = screen->mode.yres;
2868 fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
2869 if (fb_data_fmt >= FBDC_RGB_565) {
2870 win->area[0].fbdc_en = 1;
2871 win->area[0].fbdc_cor_en = 1;
2873 win->area[0].fbdc_en = 0;
2874 win->area[0].fbdc_cor_en = 0;
2876 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2877 vir_width_bit = pixel_width * xvir;
2878 /* pixel_width = byte_num * 8 */
2879 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
2880 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
2882 switch (fb_data_fmt) {
2886 stride = stride_32bit_1;
2887 uv_stride = stride_32bit_1 >> 1;
2888 uv_x_off = xoffset >> 1;
2890 fix->line_length = stride;
2891 cblen = crlen = (xvir * yvir) >> 1;
2892 uv_y_act = win->area[0].yact >> 1;
2894 case YUV420: /* nv12 */
2895 case YUV420_NV21: /* nv21 */
2898 stride = stride_32bit_1;
2899 uv_stride = stride_32bit_1;
2901 uv_y_off = yoffset >> 1;
2902 fix->line_length = stride;
2903 cblen = crlen = (xvir * yvir) >> 2;
2904 uv_y_act = win->area[0].yact >> 1;
2909 stride = stride_32bit_1;
2910 uv_stride = stride_32bit_2;
2911 uv_x_off = xoffset * 2;
2913 fix->line_length = stride << 2;
2914 cblen = crlen = (xvir * yvir);
2915 uv_y_act = win->area[0].yact;
2918 stride = stride_32bit_1; /* default rgb */
2919 fix->line_length = stride;
2923 win->area[0].format = fb_data_fmt;
2924 win->area[0].y_vir_stride = stride >> 2;
2925 win->area[0].uv_vir_stride = uv_stride >> 2;
2926 win->area[0].xpos = xpos;
2927 win->area[0].ypos = ypos;
2928 win->area[0].xsize = xsize;
2929 win->area[0].ysize = ysize;
2930 win->area[0].xact = var->xres; /* winx active window height,is a wint of vir */
2931 win->area[0].yact = var->yres;
2932 win->area[0].xvir = var->xres_virtual; /* virtual resolution stride --->LCDC_WINx_VIR */
2933 win->area[0].yvir = var->yres_virtual;
2934 win->area[0].xoff = xoffset;
2935 win->area[0].yoff = yoffset;
2938 win->alpha_mode = 4; /* AB_SRC_OVER; */
2939 win->alpha_en = ((win->area[0].format == ARGB888) ||
2940 (win->area[0].format == FBDC_ARGB_888) ||
2941 (win->area[0].format == FBDC_ABGR_888) ||
2942 (win->area[0].format == ABGR888)) ? 1 : 0;
2943 win->g_alpha_val = 0;
2945 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
2946 (win->area[0].format == YUV420 ||
2947 win->area[0].format == YUV420_NV21 ||
2948 win->area[0].format == YUV420_A)) {
2952 dev_drv->ops->set_par(dev_drv, win_id);
2957 static inline unsigned int chan_to_field(unsigned int chan,
2958 struct fb_bitfield *bf)
2961 chan >>= 16 - bf->length;
2962 return chan << bf->offset;
2965 static int fb_setcolreg(unsigned regno,
2966 unsigned red, unsigned green, unsigned blue,
2967 unsigned transp, struct fb_info *info)
2971 switch (info->fix.visual) {
2972 case FB_VISUAL_TRUECOLOR:
2973 /* true-colour, use pseudo-palette */
2975 u32 *pal = info->pseudo_palette;
2976 val = chan_to_field(red, &info->var.red);
2977 val |= chan_to_field(green, &info->var.green);
2978 val |= chan_to_field(blue, &info->var.blue);
2983 return -1; /* unknown type */
2989 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
2991 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
2992 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2993 struct ion_handle *handle = fb_par->ion_hdl;
2994 struct dma_buf *dma_buf = NULL;
2996 if (IS_ERR_OR_NULL(handle)) {
2997 dev_err(info->dev, "failed to get ion handle:%ld\n",
3001 dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3002 if (IS_ERR_OR_NULL(dma_buf)) {
3003 printk("get ion share dma buf failed\n");
3007 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3009 return dma_buf_mmap(dma_buf, vma, 0);
3012 static struct fb_ops fb_ops = {
3013 .owner = THIS_MODULE,
3014 .fb_open = rk_fb_open,
3015 .fb_release = rk_fb_close,
3016 .fb_check_var = rk_fb_check_var,
3017 .fb_set_par = rk_fb_set_par,
3018 .fb_blank = rk_fb_blank,
3019 .fb_ioctl = rk_fb_ioctl,
3020 .fb_compat_ioctl = rk_fb_ioctl,
3021 .fb_pan_display = rk_fb_pan_display,
3022 .fb_read = rk_fb_read,
3023 .fb_write = rk_fb_write,
3024 .fb_setcolreg = fb_setcolreg,
3025 .fb_fillrect = cfb_fillrect,
3026 .fb_copyarea = cfb_copyarea,
3027 .fb_imageblit = cfb_imageblit,
3030 static struct fb_var_screeninfo def_var = {
3031 #if defined(CONFIG_LOGO_LINUX_BMP)
3035 .transp = {0, 0, 0},
3036 .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3041 .transp = {0, 0, 0},
3042 .nonstd = HAL_PIXEL_FORMAT_RGB_565, /* (ypos<<20+xpos<<8+format) format */
3044 .grayscale = 0, /* (ysize<<20+xsize<<8) */
3045 .activate = FB_ACTIVATE_NOW,
3047 .vmode = FB_VMODE_NONINTERLACED,
3050 static struct fb_fix_screeninfo def_fix = {
3051 .type = FB_TYPE_PACKED_PIXELS,
3056 .accel = FB_ACCEL_NONE,
3057 .visual = FB_VISUAL_TRUECOLOR,
3061 static int rk_fb_wait_for_vsync_thread(void *data)
3063 struct rk_lcdc_driver *dev_drv = data;
3064 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3065 struct fb_info *fbi = rk_fb->fb[0];
3067 while (!kthread_should_stop()) {
3068 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3069 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3070 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3071 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3074 sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3080 static ssize_t rk_fb_vsync_show(struct device *dev,
3081 struct device_attribute *attr, char *buf)
3083 struct fb_info *fbi = dev_get_drvdata(dev);
3084 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3085 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3086 return scnprintf(buf, PAGE_SIZE, "%llu\n",
3087 ktime_to_ns(dev_drv->vsync_info.timestamp));
3090 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3093 * this two function is for other module that in the kernel which
3094 * need show image directly through fb
3095 * fb_id:we have 4 fb here,default we use fb0 for ui display
3097 struct fb_info *rk_get_fb(int fb_id)
3099 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3100 struct fb_info *fb = inf->fb[fb_id];
3103 EXPORT_SYMBOL(rk_get_fb);
3105 void rk_direct_fb_show(struct fb_info *fbi)
3108 rk_fb_pan_display(&fbi->var, fbi);
3110 EXPORT_SYMBOL(rk_direct_fb_show);
3112 int rk_fb_dpi_open(bool open)
3114 struct rk_lcdc_driver *dev_drv = NULL;
3115 dev_drv = rk_get_prmry_lcdc_drv();
3117 if (dev_drv->ops->dpi_open)
3118 dev_drv->ops->dpi_open(dev_drv, open);
3122 int rk_fb_dpi_win_sel(int win_id)
3124 struct rk_lcdc_driver *dev_drv = NULL;
3125 dev_drv = rk_get_prmry_lcdc_drv();
3127 if (dev_drv->ops->dpi_win_sel)
3128 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3132 int rk_fb_dpi_status(void)
3135 struct rk_lcdc_driver *dev_drv = NULL;
3137 dev_drv = rk_get_prmry_lcdc_drv();
3138 if (dev_drv->ops->dpi_status)
3139 ret = dev_drv->ops->dpi_status(dev_drv);
3145 * function: this function will be called by display device, enable/disable lcdc
3146 * @screen: screen timing to be set to lcdc
3147 * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3148 * @lcdc_id: the lcdc id the display device attached ,0 or 1
3150 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3152 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3153 struct fb_info *info = NULL;
3154 struct rk_fb_par *fb_par = NULL;
3155 struct rk_lcdc_driver *dev_drv = NULL;
3157 int i, win_id, load_screen = 0;
3159 if (unlikely(!rk_fb) || unlikely(!screen))
3162 /* get lcdc driver */
3163 sprintf(name, "lcdc%d", lcdc_id);
3164 if (rk_fb->disp_mode != DUAL)
3165 dev_drv = rk_fb->lcdc_dev_drv[0];
3167 dev_drv = rk_get_lcdc_drv(name);
3169 if (dev_drv == NULL) {
3170 printk(KERN_ERR "%s driver not found!", name);
3173 if (screen->type == SCREEN_HDMI)
3174 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3176 else if (screen->type == SCREEN_TVOUT ||
3177 screen->type == SCREEN_TVOUT_TEST )
3178 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3180 if (enable == 2 /*&& dev_drv->enable*/)
3182 hdmi_switch_state = 0;
3183 dev_drv->hdmi_switch = 1;
3184 if ((rk_fb->disp_mode == ONE_DUAL) ||
3185 (rk_fb->disp_mode == NO_DUAL)) {
3186 if ((dev_drv->ops->backlight_close) &&
3187 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3188 dev_drv->ops->backlight_close(dev_drv, 1);
3189 if (dev_drv->ops->dsp_black)
3190 dev_drv->ops->dsp_black(dev_drv, 1);
3191 if ((dev_drv->ops->set_screen_scaler) &&
3192 (rk_fb->disp_mode == ONE_DUAL))
3193 dev_drv->ops->set_screen_scaler(dev_drv,
3194 dev_drv->screen0, 0);
3196 if (dev_drv->uboot_logo && (screen->type != dev_drv->cur_screen->type))
3197 dev_drv->uboot_logo = 0;
3199 /* if screen type is different, we do not disable lcdc. */
3200 if (dev_drv->cur_screen->type != screen->type) {
3201 dev_drv->hdmi_switch = 0;
3205 /* if used one lcdc to dual disp, no need to close win */
3206 if ((rk_fb->disp_mode == ONE_DUAL) ||
3207 ((rk_fb->disp_mode == NO_DUAL) &&
3208 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))) {
3209 dev_drv->cur_screen = dev_drv->screen0;
3210 dev_drv->ops->load_screen(dev_drv, 1);
3212 /* force modify dsp size */
3213 info = rk_fb->fb[dev_drv->fb_index_base];
3214 info->var.grayscale &= 0xff;
3215 info->var.grayscale |=
3216 (dev_drv->cur_screen->mode.xres << 8) +
3217 (dev_drv->cur_screen->mode.yres << 20);
3218 mutex_lock(&dev_drv->win_config);
3219 /*info->fbops->fb_set_par(info);
3220 info->fbops->fb_pan_display(&info->var, info);*/
3221 mutex_unlock(&dev_drv->win_config);
3223 /*if (dev_drv->ops->dsp_black)
3224 dev_drv->ops->dsp_black(dev_drv, 0);*/
3225 if ((dev_drv->ops->backlight_close) &&
3226 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3227 dev_drv->ops->backlight_close(dev_drv, 0);
3228 } else if (rk_fb->num_lcdc > 1) {
3229 /* If there is more than one lcdc device, we disable
3230 the layer which attached to this device */
3231 dev_drv->suspend_flag = 1;
3232 flush_kthread_worker(&dev_drv->update_regs_worker);
3233 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3234 if (dev_drv->win[i] && dev_drv->win[i]->state)
3235 dev_drv->ops->open(dev_drv, i, 0);
3239 hdmi_switch_state = 0;
3240 dev_drv->hdmi_switch = 0;
3243 if (dev_drv->screen1)
3244 dev_drv->cur_screen = dev_drv->screen1;
3246 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3247 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3248 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3249 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3250 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3252 if ((!dev_drv->uboot_logo) ||
3253 (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3254 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3255 info = rk_fb->fb[dev_drv->fb_index_base + i];
3256 fb_par = (struct rk_fb_par *)info->par;
3257 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3258 if (dev_drv->win[win_id]) {
3259 if (fb_par->state) {
3260 if (!dev_drv->win[win_id]->state) {
3261 dev_drv->ops->open(dev_drv, win_id, 1);
3262 dev_drv->suspend_flag = 0;
3265 dev_drv->ops->load_screen(dev_drv, 1);
3268 info->var.activate |= FB_ACTIVATE_FORCE;
3269 if (rk_fb->disp_mode == ONE_DUAL) {
3270 info->var.grayscale &= 0xff;
3271 info->var.grayscale |=
3272 (dev_drv->cur_screen->xsize << 8) +
3273 (dev_drv->cur_screen->ysize << 20);
3276 mutex_lock(&dev_drv->win_config);
3277 info->var.yoffset = 0;
3278 info->fbops->fb_set_par(info);
3279 info->fbops->fb_pan_display(&info->var, info);
3280 mutex_unlock(&dev_drv->win_config);
3285 dev_drv->uboot_logo = 0;
3287 hdmi_switch_state = 1;
3288 dev_drv->hdmi_switch = 0;
3289 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3290 if ((dev_drv->ops->set_screen_scaler) &&
3291 (rk_fb->disp_mode == ONE_DUAL))
3292 dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3293 /*if (dev_drv->ops->dsp_black)
3294 dev_drv->ops->dsp_black(dev_drv, 0);*/
3295 if ((dev_drv->ops->backlight_close) &&
3296 (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3297 (rk_fb->disp_mode == ONE_DUAL))
3298 dev_drv->ops->backlight_close(dev_drv, 0);
3304 * function:this function current only called by hdmi for
3306 * scale_x: scale rate of x resolution
3307 * scale_y: scale rate of y resolution
3308 * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3310 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3312 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3313 struct fb_info *info = NULL;
3314 struct fb_info *pmy_info = NULL;
3315 struct fb_var_screeninfo *var = NULL;
3316 struct rk_lcdc_driver *dev_drv = NULL;
3317 u16 screen_x, screen_y;
3320 struct rk_screen primary_screen;
3321 rk_fb_get_prmry_screen(&primary_screen);
3322 if (primary_screen.type == SCREEN_HDMI) {
3325 pr_err("fuck not be hear--%s\n",__func__);
3328 sprintf(name, "lcdc%d", lcdc_id);
3330 if (inf->disp_mode == DUAL) {
3331 dev_drv = rk_get_lcdc_drv(name);
3332 if (dev_drv == NULL) {
3333 printk(KERN_ERR "%s driver not found!", name);
3337 dev_drv = inf->lcdc_dev_drv[0];
3340 if (inf->num_lcdc == 1) {
3342 } else if (inf->num_lcdc == 2) {
3343 info = inf->fb[dev_drv->lcdc_win_num];
3344 pmy_info = inf->fb[0];
3348 screen_x = dev_drv->cur_screen->mode.xres;
3349 screen_y = dev_drv->cur_screen->mode.yres;
3351 if (inf->disp_mode != DUAL && dev_drv->screen1) {
3352 dev_drv->cur_screen->xpos =
3353 (screen_x - screen_x * scale_x / 100) >> 1;
3354 dev_drv->cur_screen->ypos =
3355 (screen_y - screen_y * scale_y / 100) >> 1;
3356 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3357 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3359 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3360 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3361 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3362 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3363 if (inf->disp_mode == ONE_DUAL) {
3364 var->nonstd &= 0xff;
3365 var->nonstd |= (xpos << 8) + (ypos << 20);
3366 var->grayscale &= 0xff;
3368 (dev_drv->cur_screen->xsize << 8) +
3369 (dev_drv->cur_screen->ysize << 20);
3373 mutex_lock(&dev_drv->win_config);
3374 info->fbops->fb_set_par(info);
3375 dev_drv->ops->cfg_done(dev_drv);
3376 mutex_unlock(&dev_drv->win_config);
3381 #if defined(CONFIG_ION_ROCKCHIP)
3382 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3383 struct rk_lcdc_win *win,
3384 unsigned long fb_mem_size)
3386 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3387 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3388 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3389 struct ion_handle *handle;
3390 ion_phys_addr_t phy_addr;
3394 if (dev_drv->iommu_enabled)
3395 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3396 ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3398 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3399 ION_HEAP(ION_CMA_HEAP_ID), 0);
3400 if (IS_ERR(handle)) {
3401 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3406 fb_par->ion_hdl = handle;
3407 win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3408 if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3409 printk("ion_share_dma_buf() failed\n");
3410 goto err_share_dma_buf;
3412 win->area[0].ion_hdl = handle;
3413 if (dev_drv->prop == PRMRY)
3414 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3415 #ifdef CONFIG_ROCKCHIP_IOMMU
3416 if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3417 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3418 (unsigned long *)&phy_addr,
3419 (unsigned long *)&len);
3421 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3423 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3426 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3427 goto err_share_dma_buf;
3429 fbi->fix.smem_start = phy_addr;
3430 fbi->fix.smem_len = len;
3431 printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3435 ion_free(rk_fb->ion_client, handle);
3440 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3442 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3443 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3444 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3445 struct rk_lcdc_win *win = NULL;
3448 unsigned long fb_mem_size;
3449 #if !defined(CONFIG_ION_ROCKCHIP)
3450 dma_addr_t fb_mem_phys;
3454 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3458 win = dev_drv->win[win_id];
3460 if (!strcmp(fbi->fix.id, "fb0")) {
3461 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3462 #if defined(CONFIG_ION_ROCKCHIP)
3463 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3466 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3467 &fb_mem_phys, GFP_KERNEL);
3469 pr_err("%s: Failed to allocate framebuffer\n",
3473 fbi->fix.smem_len = fb_mem_size;
3474 fbi->fix.smem_start = fb_mem_phys;
3475 fbi->screen_base = fb_mem_virt;
3477 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3479 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3480 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3481 fbi->screen_base = rk_fb->fb[0]->screen_base;
3484 fbi->screen_size = fbi->fix.smem_len;
3485 fb_par->fb_phy_base = fbi->fix.smem_start;
3486 fb_par->fb_virt_base = fbi->screen_base;
3487 fb_par->fb_size = fbi->fix.smem_len;
3489 pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3490 fbi->fix.smem_start, fbi->screen_base,
3496 static int rk_release_fb_buffer(struct fb_info *fbi)
3498 /* buffer for fb1 and fb3 are alloc by android */
3499 if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3501 iounmap(fbi->screen_base);
3502 release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3507 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3508 struct rk_lcdc_win *def_win)
3511 int lcdc_win_num = dev_drv->lcdc_win_num;
3513 for (i = 0; i < lcdc_win_num; i++) {
3514 struct rk_lcdc_win *win = NULL;
3515 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3517 dev_err(dev_drv->dev, "kzmalloc for win fail!");
3521 strcpy(win->name, def_win[i].name);
3522 win->id = def_win[i].id;
3523 win->support_3d = def_win[i].support_3d;
3524 dev_drv->win[i] = win;
3530 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3531 struct rk_lcdc_win *def_win, int index)
3533 struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3534 struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3535 sizeof(struct rk_screen),
3539 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3544 screen->screen_id = 0;
3545 screen->lcdc_id = dev_drv->id;
3546 screen->overscan.left = 100;
3547 screen->overscan.top = 100;
3548 screen->overscan.right = 100;
3549 screen->overscan.bottom = 100;
3551 screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3552 screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3554 dev_drv->screen0 = screen;
3555 dev_drv->cur_screen = screen;
3556 /* devie use one lcdc + rk61x scaler for dual display */
3557 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3558 struct rk_screen *screen1 =
3559 devm_kzalloc(dev_drv->dev,
3560 sizeof(struct rk_screen),
3563 dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3567 screen1->screen_id = 1;
3568 screen1->lcdc_id = 1;
3569 dev_drv->screen1 = screen1;
3571 sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3572 init_lcdc_win(dev_drv, def_win);
3573 init_completion(&dev_drv->frame_done);
3574 spin_lock_init(&dev_drv->cpl_lock);
3575 mutex_init(&dev_drv->fb_win_id_mutex);
3576 mutex_init(&dev_drv->win_config);
3577 mutex_init(&dev_drv->front_lock);
3578 dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3579 dev_drv->first_frame = 1;
3580 dev_drv->overscan.left = 100;
3581 dev_drv->overscan.top = 100;
3582 dev_drv->overscan.right = 100;
3583 dev_drv->overscan.bottom = 100;
3584 rk_disp_pwr_ctr_parse_dt(dev_drv);
3585 if (dev_drv->prop == PRMRY) {
3586 rk_fb_set_prmry_screen(screen);
3587 rk_fb_get_prmry_screen(screen);
3589 dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3590 if (dev_drv->prop != PRMRY)
3591 rk_fb_get_prmry_screen(screen);
3592 dev_drv->output_color = screen->color_mode;
3597 #ifdef CONFIG_LOGO_LINUX_BMP
3598 static struct linux_logo *bmp_logo;
3599 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3601 bmp_logo = fb_find_logo(24);
3602 if (bmp_logo == NULL) {
3603 printk(KERN_INFO "%s error\n", __func__);
3609 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3611 unsigned char *src = bmp_logo->data;
3612 unsigned char *dst = info->screen_base;
3614 unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3615 unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3617 for (i = 0; i < Needheight; i++)
3618 memcpy(dst + info->var.xres * i * 4,
3619 src + bmp_logo->width * i * 4, Needwidth * 4);
3624 * check if the primary lcdc has registerd,
3625 * the primary lcdc mas register first
3627 bool is_prmry_rk_lcdc_registered(void)
3629 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3631 if (rk_fb->lcdc_dev_drv[0])
3637 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3638 struct rk_lcdc_win *win, int id)
3640 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3641 struct fb_info *fbi;
3642 struct rk_fb_par *fb_par = NULL;
3643 int i = 0, ret = 0, index = 0;
3645 if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3648 for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3649 if (!rk_fb->lcdc_dev_drv[i]) {
3650 rk_fb->lcdc_dev_drv[i] = dev_drv;
3651 rk_fb->lcdc_dev_drv[i]->id = id;
3658 init_lcdc_device_driver(rk_fb, win, index);
3659 dev_drv->fb_index_base = rk_fb->num_fb;
3660 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3661 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3663 dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3666 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
3669 dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
3673 fb_par->id = rk_fb->num_fb;
3674 fb_par->lcdc_drv = dev_drv;
3675 fbi->par = (void *)fb_par;
3678 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3679 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3680 fbi->var.grayscale |=
3681 (fbi->var.xres << 8) + (fbi->var.yres << 20);
3682 #if defined(CONFIG_LOGO_LINUX_BMP)
3683 fbi->var.bits_per_pixel = 32;
3685 fbi->var.bits_per_pixel = 16;
3687 fbi->fix.line_length =
3688 (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3689 fbi->var.width = dev_drv->cur_screen->width;
3690 fbi->var.height = dev_drv->cur_screen->height;
3691 if (dev_drv->iommu_enabled)
3692 fb_ops.fb_mmap = rk_fb_mmap;
3693 fbi->fbops = &fb_ops;
3694 fbi->flags = FBINFO_FLAG_DEFAULT;
3695 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3696 ret = register_framebuffer(fbi);
3698 dev_err(&fb_pdev->dev,
3699 "%s fb%d register_framebuffer fail!\n",
3700 __func__, rk_fb->num_fb);
3703 rkfb_create_sysfs(fbi);
3704 rk_fb->fb[rk_fb->num_fb] = fbi;
3705 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3710 init_waitqueue_head(&dev_drv->vsync_info.wait);
3711 init_waitqueue_head(&dev_drv->update_regs_wait);
3712 ret = device_create_file(fbi->dev, &dev_attr_vsync);
3715 "failed to create vsync file\n");
3716 dev_drv->vsync_info.thread =
3717 kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3719 if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3721 "failed to run vsync thread\n");
3722 dev_drv->vsync_info.thread = NULL;
3724 dev_drv->vsync_info.active = 1;
3726 mutex_init(&dev_drv->output_lock);
3728 INIT_LIST_HEAD(&dev_drv->update_regs_list);
3729 mutex_init(&dev_drv->update_regs_list_lock);
3730 init_kthread_worker(&dev_drv->update_regs_worker);
3732 dev_drv->update_regs_thread =
3733 kthread_run(kthread_worker_fn,
3734 &dev_drv->update_regs_worker, "rk-fb");
3735 if (IS_ERR(dev_drv->update_regs_thread)) {
3736 int err = PTR_ERR(dev_drv->update_regs_thread);
3737 dev_drv->update_regs_thread = NULL;
3739 printk("failed to run update_regs thread\n");
3742 init_kthread_work(&dev_drv->update_regs_work,
3743 rk_fb_update_regs_handler);
3746 sw_sync_timeline_create("fb-timeline");
3747 dev_drv->timeline_max = 1;
3751 /* show logo for primary display device */
3752 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
3753 if (dev_drv->prop == PRMRY) {
3757 struct fb_info *main_fbi = rk_fb->fb[0];
3758 main_fbi->fbops->fb_open(main_fbi, 1);
3759 main_fbi->var.pixclock = dev_drv->pixclock;
3760 #if defined(CONFIG_ROCKCHIP_IOMMU)
3761 if (dev_drv->iommu_enabled) {
3762 if (dev_drv->mmu_dev)
3763 rockchip_iovmm_set_fault_handler(dev_drv->dev,
3764 rk_fb_sysmmu_fault_handler);
3768 rk_fb_alloc_buffer(main_fbi); /* only alloc memory for main fb */
3769 dev_drv->uboot_logo = support_uboot_display();
3771 if (dev_drv->uboot_logo &&
3772 uboot_logo_offset && uboot_logo_base) {
3773 int width, height, bits;
3774 phys_addr_t start = uboot_logo_base + uboot_logo_offset;
3775 unsigned int size = uboot_logo_size - uboot_logo_offset;
3776 unsigned int nr_pages;
3777 struct page **pages;
3781 if (dev_drv->ops->get_dspbuf_info)
3782 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3783 &yact, &format, &dsp_addr);
3784 nr_pages = size >> PAGE_SHIFT;
3785 pages = kzalloc(sizeof(struct page) * nr_pages,
3787 while (i < nr_pages) {
3788 pages[i] = phys_to_page(start);
3792 vaddr = vmap(pages, nr_pages, VM_MAP,
3793 pgprot_writecombine(PAGE_KERNEL));
3795 pr_err("failed to vmap phy addr 0x%lx\n",
3796 (long)(uboot_logo_base +
3797 uboot_logo_offset));
3801 if(bmpdecoder(vaddr, main_fbi->screen_base, &width,
3809 if (dev_drv->uboot_logo &&
3810 (width != xact || height != yact)) {
3811 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
3812 xact, yact, width, height);
3816 if (dev_drv->ops->post_dspbuf) {
3817 dev_drv->ops->post_dspbuf(dev_drv,
3818 main_fbi->fix.smem_start,
3819 rk_fb_data_fmt(0, bits),
3820 width, height, width * bits >> 5);
3822 if (dev_drv->iommu_enabled) {
3823 rk_fb_poll_wait_frame_complete();
3824 if (dev_drv->ops->mmu_en)
3825 dev_drv->ops->mmu_en(dev_drv);
3830 } else if (dev_drv->uboot_logo && uboot_logo_base) {
3831 u32 start = uboot_logo_base;
3832 u32 start_base = start;
3834 unsigned int nr_pages;
3835 struct page **pages;
3838 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3841 logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
3842 if (logo_len > uboot_logo_size ||
3843 logo_len > main_fbi->fix.smem_len) {
3844 pr_err("logo size > uboot reserve buffer size\n");
3848 nr_pages = uboot_logo_size >> PAGE_SHIFT;
3849 pages = kzalloc(sizeof(struct page) * nr_pages,
3851 while (i < nr_pages) {
3852 pages[i] = phys_to_page(start);
3856 vaddr = vmap(pages, nr_pages, VM_MAP,
3857 pgprot_writecombine(PAGE_KERNEL));
3859 pr_err("failed to vmap phy addr 0x%x\n",
3864 memcpy(main_fbi->screen_base, vaddr, logo_len);
3869 dev_drv->ops->post_dspbuf(dev_drv,
3870 main_fbi->fix.smem_start,
3872 xact * rk_fb_pixel_width(format) >> 5);
3873 if (dev_drv->iommu_enabled) {
3874 rk_fb_poll_wait_frame_complete();
3875 if (dev_drv->ops->mmu_en)
3876 dev_drv->ops->mmu_en(dev_drv);
3881 if (dev_drv->iommu_enabled) {
3882 if (dev_drv->ops->mmu_en)
3883 dev_drv->ops->mmu_en(dev_drv);
3887 #if defined(CONFIG_LOGO)
3888 main_fbi->fbops->fb_set_par(main_fbi);
3889 #if defined(CONFIG_LOGO_LINUX_BMP)
3890 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
3891 fb_set_cmap(&main_fbi->cmap, main_fbi);
3892 fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
3895 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
3896 fb_set_cmap(&main_fbi->cmap, main_fbi);
3897 fb_show_logo(main_fbi, FB_ROTATE_UR);
3900 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
3903 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
3904 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
3905 rk_fb_alloc_buffer(extend_fbi);
3911 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
3913 struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
3914 struct fb_info *fbi;
3915 int fb_index_base = dev_drv->fb_index_base;
3916 int fb_num = dev_drv->lcdc_win_num;
3919 if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
3920 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
3921 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
3924 for (i = 0; i < fb_num; i++)
3925 kfree(dev_drv->win[i]);
3927 for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
3928 fbi = fb_inf->fb[i];
3929 unregister_framebuffer(fbi);
3930 /* rk_release_fb_buffer(fbi); */
3931 framebuffer_release(fbi);
3933 fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
3939 static int rk_fb_probe(struct platform_device *pdev)
3941 struct rk_fb *rk_fb = NULL;
3942 struct device_node *np = pdev->dev.of_node;
3946 dev_err(&pdev->dev, "Missing device tree node.\n");
3950 rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
3952 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
3955 platform_set_drvdata(pdev, rk_fb);
3957 if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
3958 rk_fb->disp_mode = mode;
3961 dev_err(&pdev->dev, "no disp-mode node found!");
3965 if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
3966 rk_fb->disp_policy = mode;
3967 pr_info("fb disp policy is %s\n", rk_fb->disp_policy ? "box":"sdk");
3970 if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
3971 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
3973 dev_set_name(&pdev->dev, "rockchip-fb");
3974 #if defined(CONFIG_ION_ROCKCHIP)
3975 rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
3976 if (IS_ERR(rk_fb->ion_client)) {
3977 dev_err(&pdev->dev, "failed to create ion client for rk fb");
3978 return PTR_ERR(rk_fb->ion_client);
3980 dev_info(&pdev->dev, "rk fb ion client create success!\n");
3985 dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
3989 static int rk_fb_remove(struct platform_device *pdev)
3991 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
3994 platform_set_drvdata(pdev, NULL);
3998 static void rk_fb_shutdown(struct platform_device *pdev)
4000 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4003 for (i = 0; i < rk_fb->num_lcdc; i++) {
4004 if (!rk_fb->lcdc_dev_drv[i])
4009 static const struct of_device_id rkfb_dt_ids[] = {
4010 {.compatible = "rockchip,rk-fb",},
4014 static struct platform_driver rk_fb_driver = {
4015 .probe = rk_fb_probe,
4016 .remove = rk_fb_remove,
4019 .owner = THIS_MODULE,
4020 .of_match_table = of_match_ptr(rkfb_dt_ids),
4022 .shutdown = rk_fb_shutdown,
4025 static int __init rk_fb_init(void)
4027 return platform_driver_register(&rk_fb_driver);
4030 static void __exit rk_fb_exit(void)
4032 platform_driver_unregister(&rk_fb_driver);
4035 fs_initcall(rk_fb_init);
4036 module_exit(rk_fb_exit);