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>
34 #include <linux/of_address.h>
35 #include <linux/memblock.h>
37 #include "bmp_helper.h"
39 #if defined(CONFIG_RK_HDMI)
40 #include "hdmi/rockchip-hdmi.h"
43 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
49 #include <linux/of_platform.h>
50 #include <linux/of_gpio.h>
51 #include <video/of_display_timing.h>
52 #include <video/display_timing.h>
55 #if defined(CONFIG_ION_ROCKCHIP)
56 #include <linux/rockchip_ion.h>
57 #include <linux/rockchip-iovmm.h>
58 #include <linux/dma-buf.h>
59 #include <linux/highmem.h>
63 /* #define FB_ROATE_BY_KERNEL 1 */
65 static int hdmi_switch_state;
66 static struct platform_device *fb_pdev;
68 #if defined(CONFIG_FB_MIRRORING)
69 int (*video_data_to_mirroring)(struct fb_info *info, u32 yuv_phy[2]);
70 EXPORT_SYMBOL(video_data_to_mirroring);
73 extern phys_addr_t uboot_logo_base;
74 extern phys_addr_t uboot_logo_size;
75 extern phys_addr_t uboot_logo_offset;
76 static struct rk_fb_trsm_ops *trsm_lvds_ops;
77 static struct rk_fb_trsm_ops *trsm_edp_ops;
78 static struct rk_fb_trsm_ops *trsm_mipi_ops;
79 static int uboot_logo_on;
81 static int rk_fb_debug_lvl;
82 static int rk_fb_iommu_debug;
83 module_param(rk_fb_debug_lvl, int, S_IRUGO | S_IWUSR);
84 module_param(rk_fb_iommu_debug, int, S_IRUGO | S_IWUSR);
86 #define rk_fb_dbg(level, x...) do { \
87 if (unlikely(rk_fb_debug_lvl >= level)) \
90 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
91 struct rk_fb_win_cfg_data *win_data,
92 struct rk_fb_reg_data *regs, u32 cmd);
93 static int car_reversing;
95 static int is_car_camcap(void) {
96 return car_reversing && strcmp("camcap", current->comm);
99 int support_uboot_display(void)
101 return uboot_logo_on;
104 int rk_fb_get_display_policy(void)
109 rk_fb = platform_get_drvdata(fb_pdev);
110 return rk_fb->disp_policy;
112 return DISPLAY_POLICY_SDK;
116 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
121 case SCREEN_DUAL_LVDS:
122 case SCREEN_LVDS_10BIT:
123 case SCREEN_DUAL_LVDS_10BIT:
130 case SCREEN_DUAL_MIPI:
134 pr_warn("%s: unsupported transmitter: %d!\n",
141 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
143 struct rk_fb_trsm_ops *ops;
148 case SCREEN_DUAL_LVDS:
149 case SCREEN_LVDS_10BIT:
150 case SCREEN_DUAL_LVDS_10BIT:
157 case SCREEN_DUAL_MIPI:
162 pr_warn("%s: unsupported transmitter: %d!\n",
169 int rk_fb_pixel_width(int data_format)
173 switch (data_format) {
210 pr_warn("%s: unsupported format: 0x%x\n",
211 __func__, data_format);
217 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
222 switch (data_format) {
223 case HAL_PIXEL_FORMAT_RGBX_8888:
224 fb_data_fmt = XBGR888;
226 case HAL_PIXEL_FORMAT_BGRX_8888:
227 fb_data_fmt = XRGB888;
229 case HAL_PIXEL_FORMAT_RGBA_8888:
230 fb_data_fmt = ABGR888;
232 case HAL_PIXEL_FORMAT_BGRA_8888:
233 fb_data_fmt = ARGB888;
235 case HAL_PIXEL_FORMAT_RGB_888:
236 fb_data_fmt = RGB888;
238 case HAL_PIXEL_FORMAT_BGR_888:
239 fb_data_fmt = BGR888;
241 case HAL_PIXEL_FORMAT_RGB_565:
242 fb_data_fmt = RGB565;
244 case HAL_PIXEL_FORMAT_BGR_565:
245 fb_data_fmt = BGR565;
247 case HAL_PIXEL_FORMAT_YCbCr_422_SP: /* yuv422 */
248 fb_data_fmt = YUV422;
250 case HAL_PIXEL_FORMAT_YCrCb_420_SP: /* YUV420---vuvuvu */
251 fb_data_fmt = YUV420_NV21;
253 case HAL_PIXEL_FORMAT_YCrCb_NV12: /* YUV420---uvuvuv */
254 fb_data_fmt = YUV420;
256 case HAL_PIXEL_FORMAT_YCrCb_444: /* yuv444 */
257 fb_data_fmt = YUV444;
259 case HAL_PIXEL_FORMAT_YCrCb_NV12_10: /* yuv444 */
260 fb_data_fmt = YUV420_A;
262 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10: /* yuv444 */
263 fb_data_fmt = YUV422_A;
265 case HAL_PIXEL_FORMAT_YCrCb_444_SP_10: /* yuv444 */
266 fb_data_fmt = YUV444_A;
268 case HAL_PIXEL_FORMAT_FBDC_RGB565: /* fbdc rgb565*/
269 fb_data_fmt = FBDC_RGB_565;
271 case HAL_PIXEL_FORMAT_FBDC_U8U8U8U8: /* fbdc argb888 */
272 fb_data_fmt = FBDC_ARGB_888;
274 case HAL_PIXEL_FORMAT_FBDC_RGBA888: /* fbdc abgr888 */
275 fb_data_fmt = FBDC_ABGR_888;
277 case HAL_PIXEL_FORMAT_FBDC_U8U8U8: /* fbdc rgb888 */
278 fb_data_fmt = FBDC_RGBX_888;
280 case HAL_PIXEL_FORMAT_YUYV422: /* yuyv422 */
281 fb_data_fmt = YUYV422;
283 case HAL_PIXEL_FORMAT_YUYV420: /* yuyv420 */
284 fb_data_fmt = YUYV420;
286 case HAL_PIXEL_FORMAT_UYVY422: /* uyvy422 */
287 fb_data_fmt = UYVY422;
289 case HAL_PIXEL_FORMAT_UYVY420: /* uyvy420 */
290 fb_data_fmt = UYVY420;
293 pr_warn("%s: unsupported format: 0x%x\n",
294 __func__, data_format);
298 switch (bits_per_pixel) {
300 fb_data_fmt = ARGB888;
303 fb_data_fmt = RGB888;
306 fb_data_fmt = RGB565;
309 pr_warn("%s: unsupported bits_per_pixel: %d\n",
310 __func__, bits_per_pixel);
318 * rk display power control parse from dts
320 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
322 struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
324 struct device_node *child;
325 struct rk_disp_pwr_ctr_list *pwr_ctr;
326 struct list_head *pos;
327 enum of_gpio_flags flags;
332 INIT_LIST_HEAD(&dev_drv->pwrlist_head);
334 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
339 for_each_child_of_node(root, child) {
340 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
342 strcpy(pwr_ctr->pwr_ctr.name, child->name);
343 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
345 pwr_ctr->pwr_ctr.type = GPIO;
346 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
347 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
348 dev_err(dev_drv->dev, "%s ivalid gpio\n",
352 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
353 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
356 dev_err(dev_drv->dev,
357 "request %s gpio fail:%d\n",
362 pwr_ctr->pwr_ctr.type = REGULATOR;
363 pwr_ctr->pwr_ctr.rgl_name = NULL;
364 ret = of_property_read_string(child, "rockchip,regulator_name",
365 &(pwr_ctr->pwr_ctr.rgl_name));
366 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
367 dev_err(dev_drv->dev, "get regulator name failed!\n");
368 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
369 pwr_ctr->pwr_ctr.volt = val;
371 pwr_ctr->pwr_ctr.volt = 0;
375 if (!of_property_read_u32(child, "rockchip,delay", &val))
376 pwr_ctr->pwr_ctr.delay = val;
378 pwr_ctr->pwr_ctr.delay = 0;
379 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
382 of_property_read_u32(root, "rockchip,debug", &debug);
385 list_for_each(pos, &dev_drv->pwrlist_head) {
386 pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
388 pr_info("pwr_ctr_name:%s\n"
393 pwr_ctr->pwr_ctr.name,
394 (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
395 pwr_ctr->pwr_ctr.gpio,
396 pwr_ctr->pwr_ctr.atv_val,
397 pwr_ctr->pwr_ctr.delay);
404 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
406 struct list_head *pos;
407 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
408 struct pwr_ctr *pwr_ctr;
409 struct regulator *regulator_lcd = NULL;
412 if (list_empty(&dev_drv->pwrlist_head))
414 list_for_each(pos, &dev_drv->pwrlist_head) {
415 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
417 pwr_ctr = &pwr_ctr_list->pwr_ctr;
418 if (pwr_ctr->type == GPIO) {
419 gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
420 mdelay(pwr_ctr->delay);
421 } else if (pwr_ctr->type == REGULATOR) {
422 if (pwr_ctr->rgl_name)
424 regulator_get(NULL, pwr_ctr->rgl_name);
425 if (regulator_lcd == NULL) {
426 dev_err(dev_drv->dev,
427 "%s: regulator get failed,regulator name:%s\n",
428 __func__, pwr_ctr->rgl_name);
431 regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
432 while (!regulator_is_enabled(regulator_lcd)) {
433 if (regulator_enable(regulator_lcd) == 0 || count == 0)
436 dev_err(dev_drv->dev,
437 "regulator_enable failed,count=%d\n",
441 regulator_put(regulator_lcd);
442 msleep(pwr_ctr->delay);
449 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
451 struct list_head *pos;
452 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
453 struct pwr_ctr *pwr_ctr;
454 struct regulator *regulator_lcd = NULL;
457 if (list_empty(&dev_drv->pwrlist_head))
459 list_for_each(pos, &dev_drv->pwrlist_head) {
460 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
462 pwr_ctr = &pwr_ctr_list->pwr_ctr;
463 if (pwr_ctr->type == GPIO) {
464 gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
465 } else if (pwr_ctr->type == REGULATOR) {
466 if (pwr_ctr->rgl_name)
467 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
468 if (regulator_lcd == NULL) {
469 dev_err(dev_drv->dev,
470 "%s: regulator get failed,regulator name:%s\n",
471 __func__, pwr_ctr->rgl_name);
474 while (regulator_is_enabled(regulator_lcd) > 0) {
475 if (regulator_disable(regulator_lcd) == 0 ||
479 dev_err(dev_drv->dev,
480 "regulator_disable failed,count=%d\n",
484 regulator_put(regulator_lcd);
490 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
491 struct rk_screen *screen)
493 screen->mode.pixclock = dt->pixelclock.typ;
494 screen->mode.left_margin = dt->hback_porch.typ;
495 screen->mode.right_margin = dt->hfront_porch.typ;
496 screen->mode.xres = dt->hactive.typ;
497 screen->mode.hsync_len = dt->hsync_len.typ;
498 screen->mode.upper_margin = dt->vback_porch.typ;
499 screen->mode.lower_margin = dt->vfront_porch.typ;
500 screen->mode.yres = dt->vactive.typ;
501 screen->mode.vsync_len = dt->vsync_len.typ;
502 screen->type = dt->screen_type;
503 screen->lvds_format = dt->lvds_format;
504 screen->face = dt->face;
505 screen->color_mode = dt->color_mode;
506 screen->width = dt->screen_widt;
507 screen->height = dt->screen_hight;
508 screen->dsp_lut = dt->dsp_lut;
509 screen->cabc_lut = dt->cabc_lut;
510 screen->cabc_gamma_base = dt->cabc_gamma_base;
512 if (dt->flags & DISPLAY_FLAGS_INTERLACED)
513 screen->mode.vmode |= FB_VMODE_INTERLACED;
514 if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
515 screen->pin_dclk = 1;
517 screen->pin_dclk = 0;
518 if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
519 screen->pin_hsync = 1;
521 screen->pin_hsync = 0;
522 if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
523 screen->pin_vsync = 1;
525 screen->pin_vsync = 0;
526 if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
534 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
536 struct display_timings *disp_timing;
537 struct display_timing *dt;
539 disp_timing = of_get_display_timings(np);
541 pr_err("parse display timing err\n");
544 dt = display_timings_get(disp_timing, disp_timing->native_mode);
545 rk_fb_video_mode_from_timing(dt, screen);
550 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
553 unsigned long long hz;
556 pr_err("%s:null screen!\n", __func__);
559 x = screen->mode.xres + screen->mode.left_margin +
560 screen->mode.right_margin + screen->mode.hsync_len;
561 y = screen->mode.yres + screen->mode.upper_margin +
562 screen->mode.lower_margin + screen->mode.vsync_len;
564 hz = 1000000000000ULL; /* 1e12 picoseconds per second */
567 do_div(hz, x * y); /* divide by x * y with rounding */
570 do_div(hz, pixclock); /* divide by pixclock with rounding */
575 char *get_format_string(enum data_format format, char *fmt)
581 strcpy(fmt, "ARGB888");
584 strcpy(fmt, "RGB888");
587 strcpy(fmt, "BGR888");
590 strcpy(fmt, "RGB565");
593 strcpy(fmt, "BGR565");
597 strcpy(fmt, "YUV420");
600 strcpy(fmt, "YUV422");
603 strcpy(fmt, "YUV444");
606 strcpy(fmt, "YUV420_A");
609 strcpy(fmt, "YUV422_A");
612 strcpy(fmt, "YUV444_A");
615 strcpy(fmt, "XRGB888");
618 strcpy(fmt, "XBGR888");
621 strcpy(fmt, "ABGR888");
624 strcpy(fmt, "FBDC_RGB_565");
628 strcpy(fmt, "FBDC_ARGB_888");
631 strcpy(fmt, "FBDC_RGBX_888");
634 strcpy(fmt, "YUYV422");
637 strcpy(fmt, "YUYV420");
640 strcpy(fmt, "UYVY422");
643 strcpy(fmt, "UYVY420");
646 strcpy(fmt, "invalid");
653 int rk_fb_set_vop_pwm(void)
656 struct rk_fb *inf = NULL;
657 struct rk_lcdc_driver *dev_drv = NULL;
660 inf = platform_get_drvdata(fb_pdev);
664 for (i = 0; i < inf->num_lcdc; i++) {
665 if (inf->lcdc_dev_drv[i]->cabc_mode == 1) {
666 dev_drv = inf->lcdc_dev_drv[i];
674 mutex_lock(&dev_drv->win_config);
675 dev_drv->ops->cfg_done(dev_drv);
676 mutex_unlock(&dev_drv->win_config);
683 * name: lcdc device name ,lcdc0 , lcdc1
685 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
687 struct rk_fb *inf = NULL;
688 struct rk_lcdc_driver *dev_drv = NULL;
692 inf = platform_get_drvdata(fb_pdev);
696 for (i = 0; i < inf->num_lcdc; i++) {
697 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
698 dev_drv = inf->lcdc_dev_drv[i];
706 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
708 struct rk_fb *inf = NULL;
709 struct rk_lcdc_driver *dev_drv = NULL;
713 inf = platform_get_drvdata(fb_pdev);
717 for (i = 0; i < inf->num_lcdc; i++) {
718 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
719 dev_drv = inf->lcdc_dev_drv[i];
727 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
729 struct rk_fb *inf = NULL;
730 struct rk_lcdc_driver *dev_drv = NULL;
734 inf = platform_get_drvdata(fb_pdev);
738 for (i = 0; i < inf->num_lcdc; i++) {
739 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
740 dev_drv = inf->lcdc_dev_drv[i];
749 * get one frame time of the prmry screen, unit: us
751 u32 rk_fb_get_prmry_screen_ft(void)
753 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
754 u32 htotal, vtotal, pixclock_ps;
755 u64 pix_total, ft_us;
757 if (unlikely(!dev_drv))
760 pixclock_ps = dev_drv->pixclock;
762 vtotal = dev_drv->cur_screen->mode.upper_margin +
763 dev_drv->cur_screen->mode.lower_margin +
764 dev_drv->cur_screen->mode.yres +
765 dev_drv->cur_screen->mode.vsync_len;
766 htotal = dev_drv->cur_screen->mode.left_margin +
767 dev_drv->cur_screen->mode.right_margin +
768 dev_drv->cur_screen->mode.xres +
769 dev_drv->cur_screen->mode.hsync_len;
770 pix_total = htotal * vtotal;
771 ft_us = pix_total * pixclock_ps;
772 do_div(ft_us, 1000000);
773 if (dev_drv->frame_time.ft == 0)
774 dev_drv->frame_time.ft = ft_us;
776 ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
778 ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
780 dev_drv->frame_time.ft = ft_us;
782 return dev_drv->frame_time.ft;
786 * get the vblanking time of the prmry screen, unit: us
788 u32 rk_fb_get_prmry_screen_vbt(void)
790 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
791 u32 htotal, vblank, pixclock_ps;
792 u64 pix_blank, vbt_us;
794 if (unlikely(!dev_drv))
797 pixclock_ps = dev_drv->pixclock;
799 htotal = (dev_drv->cur_screen->mode.left_margin +
800 dev_drv->cur_screen->mode.right_margin +
801 dev_drv->cur_screen->mode.xres +
802 dev_drv->cur_screen->mode.hsync_len);
803 vblank = (dev_drv->cur_screen->mode.upper_margin +
804 dev_drv->cur_screen->mode.lower_margin +
805 dev_drv->cur_screen->mode.vsync_len);
806 pix_blank = htotal * vblank;
807 vbt_us = pix_blank * pixclock_ps;
808 do_div(vbt_us, 1000000);
813 * get the frame done time of the prmry screen, unit: us
815 u64 rk_fb_get_prmry_screen_framedone_t(void)
817 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
819 if (unlikely(!dev_drv))
822 return dev_drv->frame_time.framedone_t;
826 * set prmry screen status
828 int rk_fb_set_prmry_screen_status(int status)
830 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
831 struct rk_screen *screen;
833 if (unlikely(!dev_drv))
836 screen = dev_drv->cur_screen;
838 case SCREEN_PREPARE_DDR_CHANGE:
839 if (screen->type == SCREEN_MIPI ||
840 screen->type == SCREEN_DUAL_MIPI) {
841 if (dev_drv->trsm_ops->dsp_pwr_off)
842 dev_drv->trsm_ops->dsp_pwr_off();
845 case SCREEN_UNPREPARE_DDR_CHANGE:
846 if (screen->type == SCREEN_MIPI ||
847 screen->type == SCREEN_DUAL_MIPI) {
848 if (dev_drv->trsm_ops->dsp_pwr_on)
849 dev_drv->trsm_ops->dsp_pwr_on();
859 u32 rk_fb_get_prmry_screen_pixclock(void)
861 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
863 if (unlikely(!dev_drv))
866 return dev_drv->pixclock;
869 int rk_fb_poll_prmry_screen_vblank(void)
871 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
873 if (likely(dev_drv)) {
874 if (dev_drv->ops->poll_vblank)
875 return dev_drv->ops->poll_vblank(dev_drv);
877 return RK_LF_STATUS_NC;
879 return RK_LF_STATUS_NC;
883 bool rk_fb_poll_wait_frame_complete(void)
885 uint32_t timeout = RK_LF_MAX_TIMEOUT;
886 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
888 if (likely(dev_drv)) {
889 if (dev_drv->ops->set_irq_to_cpu)
890 dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
893 if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
894 if (likely(dev_drv)) {
895 if (dev_drv->ops->set_irq_to_cpu)
896 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
900 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
902 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
904 if (likely(dev_drv)) {
905 if (dev_drv->ops->set_irq_to_cpu)
906 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
912 /* rk_fb_get_sysmmu_device_by_compatible()
913 * @compt: dts device compatible name
914 * return value: success: pointer to the device inside of platform device
917 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
919 struct device_node *dn = NULL;
920 struct platform_device *pd = NULL;
921 struct device *ret = NULL ;
923 dn = of_find_compatible_node(NULL, NULL, compt);
925 pr_info("can't find device node %s \r\n", compt);
929 pd = of_find_device_by_node(dn);
931 pr_info("can't find platform device node %s \r\n", compt);
939 #ifdef CONFIG_IOMMU_API
940 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
942 dev->archdata.iommu = sysmmu;
945 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
950 static int rk_fb_open(struct fb_info *info, int user)
952 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
953 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
956 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
958 /* if this win aready opened ,no need to reopen */
959 if (dev_drv->win[win_id]->state)
962 dev_drv->ops->open(dev_drv, win_id, 1);
966 static int rk_fb_close(struct fb_info *info, int user)
968 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
969 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
970 struct rk_lcdc_win *win = NULL;
971 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
974 win = dev_drv->win[win_id];
977 if (!fb_par->state) {
978 if (fb_par->fb_phy_base > 0)
979 info->fix.smem_start = fb_par->fb_phy_base;
980 info->var.xres = dev_drv->screen0->mode.xres;
981 info->var.yres = dev_drv->screen0->mode.yres;
983 *info->var.grayscale |=
984 * (info->var.xres << 8) + (info->var.yres << 20);
986 info->var.xres_virtual = info->var.xres;
987 info->var.yres_virtual = info->var.yres;
988 #if defined(CONFIG_LOGO_LINUX_BMP)
989 info->var.bits_per_pixel = 32;
991 info->var.bits_per_pixel = 16;
993 info->fix.line_length =
994 (info->var.xres_virtual) *
995 (info->var.bits_per_pixel >> 3);
996 info->var.width = dev_drv->screen0->width;
997 info->var.height = dev_drv->screen0->height;
998 info->var.pixclock = dev_drv->pixclock;
999 info->var.left_margin =
1000 dev_drv->screen0->mode.left_margin;
1001 info->var.right_margin =
1002 dev_drv->screen0->mode.right_margin;
1003 info->var.upper_margin =
1004 dev_drv->screen0->mode.upper_margin;
1005 info->var.lower_margin =
1006 dev_drv->screen0->mode.lower_margin;
1007 info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
1008 info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
1015 #if defined(FB_ROATE_BY_KERNEL)
1017 #if defined(CONFIG_RK29_IPP)
1018 static int get_ipp_format(int fmt)
1020 int ipp_fmt = IPP_XRGB_8888;
1023 case HAL_PIXEL_FORMAT_RGBX_8888:
1024 case HAL_PIXEL_FORMAT_BGRX_8888:
1025 case HAL_PIXEL_FORMAT_RGBA_8888:
1026 case HAL_PIXEL_FORMAT_BGRA_8888:
1027 case HAL_PIXEL_FORMAT_RGB_888:
1028 case HAL_PIXEL_FORMAT_BGR_888:
1029 ipp_fmt = IPP_XRGB_8888;
1031 case HAL_PIXEL_FORMAT_RGB_565:
1032 case HAL_PIXEL_FORMAT_BGR_565:
1033 ipp_fmt = IPP_RGB_565;
1035 case HAL_PIXEL_FORMAT_YCbCr_422_SP:
1036 ipp_fmt = IPP_Y_CBCR_H2V1;
1038 case HAL_PIXEL_FORMAT_YCrCb_NV12:
1039 ipp_fmt = IPP_Y_CBCR_H2V2;
1041 case HAL_PIXEL_FORMAT_YCrCb_444:
1042 ipp_fmt = IPP_Y_CBCR_H1V1;
1045 ipp_fmt = IPP_IMGTYPE_LIMIT;
1052 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
1053 int rotation, int fmt)
1058 if (fmt == IPP_XRGB_8888) {
1061 } else if (fmt == IPP_RGB_565) {
1068 align16 -= 1; /*for YUV, 1 */
1069 align64 -= 1; /*for YUV, 7 */
1071 if (rotation == IPP_ROT_0) {
1072 if (fmt > IPP_RGB_565) {
1073 if ((*dst_w & 1) != 0)
1074 *dst_w = *dst_w + 1;
1075 if ((*dst_h & 1) != 0)
1076 *dst_h = *dst_h + 1;
1077 if (*dst_vir_w < *dst_w)
1078 *dst_vir_w = *dst_w;
1081 if ((*dst_w & align64) != 0)
1082 *dst_w = (*dst_w + align64) & (~align64);
1083 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
1084 *dst_h = *dst_h + 1;
1085 if (*dst_vir_w < *dst_w)
1086 *dst_vir_w = *dst_w;
1090 static void fb_copy_by_ipp(struct fb_info *dst_info,
1091 struct fb_info *src_info)
1093 struct rk29_ipp_req ipp_req;
1094 uint32_t rotation = 0;
1095 int dst_w, dst_h, dst_vir_w;
1097 u8 data_format = (dst_info->var.nonstd) & 0xff;
1098 struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
1099 struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
1100 u16 orientation = ext_dev_drv->rotate_mode;
1102 memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
1104 switch (orientation) {
1106 rotation = IPP_ROT_0;
1109 rotation = IPP_ROT_90;
1112 rotation = IPP_ROT_180;
1115 rotation = IPP_ROT_270;
1118 rotation = IPP_ROT_270;
1122 dst_w = dst_info->var.xres;
1123 dst_h = dst_info->var.yres;
1124 dst_vir_w = dst_info->var.xres_virtual;
1125 ipp_fmt = get_ipp_format(data_format);
1126 ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1127 ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1128 ipp_req.src0.w = src_info->var.xres;
1129 ipp_req.src0.h = src_info->var.yres;
1130 ipp_req.src_vir_w = src_info->var.xres_virtual;
1131 ipp_req.src0.fmt = ipp_fmt;
1133 ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1134 ipp_req.dst0.w = dst_w;
1135 ipp_req.dst0.h = dst_h;
1136 ipp_req.dst_vir_w = dst_vir_w;
1137 ipp_req.dst0.fmt = ipp_fmt;
1139 ipp_req.timeout = 100;
1140 ipp_req.flag = rotation;
1141 ipp_blit_sync(&ipp_req);
1146 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1147 static int get_rga_format(int fmt)
1153 rga_fmt = RK_FORMAT_RGBX_8888;
1156 rga_fmt = RK_FORMAT_RGBA_8888;
1159 rga_fmt = RK_FORMAT_BGRA_8888;
1162 rga_fmt = RK_FORMAT_RGB_888;
1165 rga_fmt = RK_FORMAT_RGB_565;
1168 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1171 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1174 rga_fmt = RK_FORMAT_RGBA_8888;
1181 static void rga_win_check(struct rk_lcdc_win *dst_win,
1182 struct rk_lcdc_win *src_win)
1186 format = get_rga_format(src_win->area[0].format);
1187 /* width and height must be even number */
1188 if (format >= RK_FORMAT_YCbCr_422_SP &&
1189 format <= RK_FORMAT_YCrCb_420_P) {
1190 if ((src_win->area[0].xact % 2) != 0)
1191 src_win->area[0].xact += 1;
1192 if ((src_win->area[0].yact % 2) != 0)
1193 src_win->area[0].yact += 1;
1195 if (src_win->area[0].xvir < src_win->area[0].xact)
1196 src_win->area[0].xvir = src_win->area[0].xact;
1197 if (src_win->area[0].yvir < src_win->area[0].yact)
1198 src_win->area[0].yvir = src_win->area[0].yact;
1200 format = get_rga_format(dst_win->area[0].format);
1201 if (format >= RK_FORMAT_YCbCr_422_SP &&
1202 format <= RK_FORMAT_YCrCb_420_P) {
1203 if ((dst_win->area[0].xact % 2) != 0)
1204 dst_win->area[0].xact += 1;
1205 if ((dst_win->area[0].yact % 2) != 0)
1206 dst_win->area[0].yact += 1;
1208 if (dst_win->area[0].xvir < dst_win->area[0].xact)
1209 dst_win->area[0].xvir = dst_win->area[0].xact;
1210 if (dst_win->area[0].yvir < dst_win->area[0].yact)
1211 dst_win->area[0].yvir = dst_win->area[0].yact;
1214 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1215 struct rk_lcdc_win *src_win,
1216 u16 orientation, int iommu_en)
1218 struct rga_req rga_request;
1222 memset(&rga_request, 0, sizeof(rga_request));
1223 rga_win_check(dst_win, src_win);
1225 switch (orientation) {
1227 rga_request.rotate_mode = 1;
1228 rga_request.sina = 65536;
1229 rga_request.cosa = 0;
1230 rga_request.dst.act_w = dst_win->area[0].yact;
1231 rga_request.dst.act_h = dst_win->area[0].xact;
1232 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1233 rga_request.dst.y_offset = 0;
1236 rga_request.rotate_mode = 1;
1237 rga_request.sina = 0;
1238 rga_request.cosa = -65536;
1239 rga_request.dst.act_w = dst_win->area[0].xact;
1240 rga_request.dst.act_h = dst_win->area[0].yact;
1241 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1242 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1245 rga_request.rotate_mode = 1;
1246 rga_request.sina = -65536;
1247 rga_request.cosa = 0;
1248 rga_request.dst.act_w = dst_win->area[0].yact;
1249 rga_request.dst.act_h = dst_win->area[0].xact;
1250 rga_request.dst.x_offset = 0;
1251 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1254 rga_request.rotate_mode = 0;
1255 rga_request.dst.act_w = dst_win->area[0].xact;
1256 rga_request.dst.act_h = dst_win->area[0].yact;
1257 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1258 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1264 * ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1265 * rga_request.src.yrgb_addr = fd;
1267 * ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1268 * rga_request.dst.yrgb_addr = fd;
1270 rga_request.src.yrgb_addr = 0;
1271 rga_request.src.uv_addr =
1272 src_win->area[0].smem_start + src_win->area[0].y_offset;
1273 rga_request.src.v_addr = 0;
1275 rga_request.dst.yrgb_addr = 0;
1276 rga_request.dst.uv_addr =
1277 dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1278 rga_request.dst.v_addr = 0;
1280 rga_request.src.vir_w = src_win->area[0].xvir;
1281 rga_request.src.vir_h = src_win->area[0].yvir;
1282 rga_request.src.format = get_rga_format(src_win->area[0].format);
1283 rga_request.src.act_w = src_win->area[0].xact;
1284 rga_request.src.act_h = src_win->area[0].yact;
1285 rga_request.src.x_offset = 0;
1286 rga_request.src.y_offset = 0;
1288 rga_request.dst.vir_w = dst_win->area[0].xvir;
1289 rga_request.dst.vir_h = dst_win->area[0].yvir;
1290 rga_request.dst.format = get_rga_format(dst_win->area[0].format);
1292 rga_request.clip.xmin = 0;
1293 rga_request.clip.xmax = dst_win->area[0].xact - 1;
1294 rga_request.clip.ymin = 0;
1295 rga_request.clip.ymax = dst_win->area[0].yact - 1;
1296 rga_request.scale_mode = 0;
1299 rga_request.mmu_info.mmu_en = 1;
1300 rga_request.mmu_info.mmu_flag = 1;
1302 rga_request.mmu_info.mmu_en = 0;
1303 rga_request.mmu_info.mmu_flag = 0;
1306 ret = rga_ioctl_kernel(&rga_request);
1310 * This function is used for copying fb by RGA Module
1311 * RGA only support copy RGB to RGB
1312 * RGA2 support copy RGB to RGB and YUV to YUV
1314 static void fb_copy_by_rga(struct fb_info *dst_info,
1315 struct fb_info *src_info)
1317 struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1318 struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1319 struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1320 struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1321 int win_id = 0, ext_win_id;
1322 struct rk_lcdc_win *src_win, *dst_win;
1324 win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1325 src_win = dev_drv->win[win_id];
1328 ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1329 dst_win = ext_dev_drv->win[ext_win_id];
1331 win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1332 ext_dev_drv->iommu_enabled);
1336 static int rk_fb_rotate(struct fb_info *dst_info,
1337 struct fb_info *src_info)
1339 #if defined(CONFIG_RK29_IPP)
1340 fb_copy_by_ipp(dst_info, src_info);
1341 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1342 fb_copy_by_rga(dst_info, src_info);
1349 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1350 struct rk_lcdc_win *src_win,
1351 u16 rotate, int iommu_en)
1353 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1354 win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1363 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1364 struct fb_info *info)
1366 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1367 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1368 struct fb_fix_screeninfo *fix = &info->fix;
1370 struct rk_lcdc_win *win = NULL;
1371 struct rk_screen *screen = dev_drv->cur_screen;
1372 u32 xoffset = var->xoffset;
1373 u32 yoffset = var->yoffset;
1374 u32 xvir = var->xres_virtual;
1377 u32 stride, uv_stride;
1380 u16 uv_x_off, uv_y_off, uv_y_act;
1383 if (dev_drv->suspend_flag || is_car_camcap())
1385 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1389 win = dev_drv->win[win_id];
1391 pixel_width = rk_fb_pixel_width(win->area[0].format);
1392 vir_width_bit = pixel_width * xvir;
1393 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1394 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1396 switch (win->area[0].format) {
1400 stride = stride_32bit_1;
1401 uv_stride = stride_32bit_1;
1404 fix->line_length = stride;
1405 uv_y_act = win->area[0].yact >> 1;
1407 case YUV420: /* nv12 */
1408 case YUV420_NV21: /* nv21 */
1411 stride = stride_32bit_1;
1412 uv_stride = stride_32bit_1;
1414 uv_y_off = yoffset >> 1;
1415 fix->line_length = stride;
1416 uv_y_act = win->area[0].yact >> 1;
1421 stride = stride_32bit_1;
1422 uv_stride = stride_32bit_2;
1423 uv_x_off = xoffset * 2;
1425 fix->line_length = stride << 2;
1426 uv_y_act = win->area[0].yact;
1429 stride = stride_32bit_1; /* default rgb */
1430 fix->line_length = stride;
1434 /* x y mirror ,jump line */
1435 if ((screen->y_mirror == 1) ||
1436 (win->xmirror && win->ymirror)) {
1437 if (screen->interlace == 1) {
1438 win->area[0].y_offset = yoffset * stride * 2 +
1439 ((win->area[0].yact - 1) * 2 + 1) * stride +
1440 xoffset * pixel_width / 8;
1442 win->area[0].y_offset = yoffset * stride +
1443 (win->area[0].yact - 1) * stride +
1444 xoffset * pixel_width / 8;
1447 if (screen->interlace == 1) {
1448 win->area[0].y_offset =
1449 yoffset * stride * 2 + xoffset * pixel_width / 8;
1451 win->area[0].y_offset =
1452 yoffset * stride + xoffset * pixel_width / 8;
1455 if (is_pic_yuv == 1) {
1456 if ((screen->y_mirror == 1) ||
1457 (win->xmirror && win->ymirror)) {
1458 if (screen->interlace == 1) {
1459 win->area[0].c_offset =
1460 uv_y_off * uv_stride * 2 +
1461 ((uv_y_act - 1) * 2 + 1) * uv_stride +
1462 uv_x_off * pixel_width / 8;
1464 win->area[0].c_offset = uv_y_off * uv_stride +
1465 (uv_y_act - 1) * uv_stride +
1466 uv_x_off * pixel_width / 8;
1469 if (screen->interlace == 1) {
1470 win->area[0].c_offset =
1471 uv_y_off * uv_stride * 2 +
1472 uv_x_off * pixel_width / 8;
1474 win->area[0].c_offset =
1475 uv_y_off * uv_stride +
1476 uv_x_off * pixel_width / 8;
1481 win->area[0].smem_start = fix->smem_start;
1482 win->area[0].cbr_start = fix->mmio_start;
1483 win->area[0].state = 1;
1486 dev_drv->ops->pan_display(dev_drv, win_id);
1488 #ifdef CONFIG_FB_MIRRORING
1489 if (video_data_to_mirroring)
1490 video_data_to_mirroring(info, NULL);
1492 /* if not want the config effect,set reserved[3] bit[0] 1 */
1493 if (likely((var->reserved[3] & 0x1) == 0))
1494 dev_drv->ops->cfg_done(dev_drv);
1495 if (dev_drv->hdmi_switch)
1500 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1504 i = list_empty(&dev_drv->update_regs_list);
1505 j = list_empty(&dev_drv->saved_list);
1506 return i == j ? 0 : 1;
1509 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1511 int err = sync_fence_wait(fence, 1000);
1517 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1520 pr_info("error waiting on fence\n");
1523 static int rk_fb_copy_from_loader(struct fb_info *info)
1525 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1526 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1527 void *dst = info->screen_base;
1532 struct rk_lcdc_win *win;
1534 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1535 win = dev_drv->win[win_id];
1536 size = (win->area[0].xact) * (win->area[0].yact) << 2;
1537 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1538 src = dsp_addr[win_id];
1539 dev_info(info->dev, "copy fb data %d x %d from dst_addr:%08x\n",
1540 win->area[0].xact, win->area[0].yact, src);
1541 for (i = 0; i < size; i += PAGE_SIZE) {
1542 void *page = phys_to_page(i + src);
1543 void *from_virt = kmap(page);
1544 void *to_virt = dst + i;
1546 memcpy(to_virt, from_virt, PAGE_SIZE);
1548 dev_drv->ops->direct_set_addr(dev_drv, win_id,
1549 info->fix.smem_start);
1553 static int g_last_addr[5][4];
1554 static int g_now_config_addr[5][4];
1555 static int g_last_state[5][4];
1556 static int g_now_config_state[5][4];
1561 #define DUMP_CHUNK 256
1562 char buf[PAGE_SIZE];
1564 int rk_fb_sysmmu_fault_handler(struct device *dev,
1565 enum rk_iommu_inttype itype,
1566 unsigned long pgtable_base,
1567 unsigned long fault_addr, unsigned int status)
1569 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1571 static int page_fault_cnt;
1573 if ((page_fault_cnt++) >= 10)
1576 ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1577 fault_addr, pgtable_base, status);
1578 pr_info("last config addr:\n");
1579 for (i = 0; i < 4; i++) {
1580 for (j = 0; j < 4; j++)
1581 pr_info("win[%d],area[%d] = 0x%08x\n",
1582 i, j, g_last_addr[i][j]);
1584 pr_info("last freed buffer:\n");
1585 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1586 pr_info("%d:0x%08x\n", i, freed_addr[i]);
1587 pr_info("last timeout:%d\n", g_last_timeout);
1588 dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1589 for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1590 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1591 char c = buf[i + DUMP_CHUNK];
1593 buf[i + DUMP_CHUNK] = 0;
1594 pr_cont("%s", buf + i);
1595 buf[i + DUMP_CHUNK] = c;
1597 buf[PAGE_SIZE - 1] = 0;
1598 pr_cont("%s", buf + i);
1605 void rk_fb_free_wb_buf(struct rk_lcdc_driver *dev_drv,
1606 struct rk_fb_reg_wb_data *wb_data)
1608 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1610 if (dev_drv->iommu_enabled && wb_data->ion_handle)
1611 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1612 wb_data->ion_handle);
1613 if (wb_data->ion_handle)
1614 ion_free(rk_fb->ion_client, wb_data->ion_handle);
1617 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1618 struct rk_fb_reg_win_data *reg_win_data)
1621 struct rk_fb_reg_area_data *area_data;
1622 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1624 for (i = 0; i < reg_win_data->area_num; i++) {
1625 area_data = ®_win_data->reg_area_data[i];
1626 index_buf = area_data->index_buf;
1627 if (dev_drv->iommu_enabled) {
1628 if (area_data->ion_handle != NULL &&
1629 !IS_YUV_FMT(area_data->data_format))
1630 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1631 area_data->ion_handle);
1632 freed_addr[freed_index++] = area_data->smem_start;
1634 if (area_data->ion_handle != NULL)
1635 ion_free(rk_fb->ion_client, area_data->ion_handle);
1637 if (area_data->acq_fence)
1638 sync_fence_put(area_data->acq_fence);
1642 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1643 struct rk_lcdc_win *win,
1644 struct rk_fb_reg_win_data *reg_win_data)
1647 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1648 struct rk_screen *cur_screen;
1649 struct rk_screen primary_screen;
1651 if (unlikely(!inf) || unlikely(!dev_drv) ||
1652 unlikely(!win) || unlikely(!reg_win_data))
1655 cur_screen = dev_drv->cur_screen;
1656 rk_fb_get_prmry_screen(&primary_screen);
1658 win->area_num = reg_win_data->area_num;
1659 win->id = reg_win_data->win_id;
1660 win->z_order = reg_win_data->z_order;
1662 if (reg_win_data->reg_area_data[0].smem_start > 0) {
1664 win->area_num = reg_win_data->area_num;
1665 win->id = reg_win_data->win_id;
1666 win->z_order = reg_win_data->z_order;
1667 win->area[0].uv_vir_stride =
1668 reg_win_data->reg_area_data[0].uv_vir_stride;
1669 win->area[0].cbr_start =
1670 reg_win_data->reg_area_data[0].cbr_start;
1671 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1672 win->alpha_en = reg_win_data->alpha_en;
1673 win->alpha_mode = reg_win_data->alpha_mode;
1674 win->g_alpha_val = reg_win_data->g_alpha_val;
1676 * reg_win_data mirror_en means that xmirror ymirror all
1679 win->xmirror = reg_win_data->mirror_en ? 1 : 0;
1680 win->ymirror = reg_win_data->mirror_en ? 1 : 0;
1681 win->colorspace = reg_win_data->colorspace;
1682 win->area[0].fbdc_en =
1683 reg_win_data->reg_area_data[0].fbdc_en;
1684 win->area[0].fbdc_cor_en =
1685 reg_win_data->reg_area_data[0].fbdc_cor_en;
1686 win->area[0].fbdc_data_format =
1687 reg_win_data->reg_area_data[0].fbdc_data_format;
1688 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1689 if (reg_win_data->reg_area_data[i].smem_start > 0) {
1690 win->area[i].format =
1691 reg_win_data->reg_area_data[i].data_format;
1692 win->area[i].ion_hdl =
1693 reg_win_data->reg_area_data[i].ion_handle;
1694 win->area[i].smem_start =
1695 reg_win_data->reg_area_data[i].smem_start;
1696 if (inf->disp_mode == DUAL ||
1697 inf->disp_mode == DUAL_LCD ||
1698 inf->disp_mode == NO_DUAL) {
1700 reg_win_data->reg_area_data[i].xpos;
1702 reg_win_data->reg_area_data[i].ypos;
1703 win->area[i].xsize =
1704 reg_win_data->reg_area_data[i].xsize;
1705 win->area[i].ysize =
1706 reg_win_data->reg_area_data[i].ysize;
1709 reg_win_data->reg_area_data[i].xpos *
1710 cur_screen->mode.xres /
1711 primary_screen.mode.xres;
1713 reg_win_data->reg_area_data[i].ypos *
1714 cur_screen->mode.yres /
1715 primary_screen.mode.yres;
1716 win->area[i].xsize =
1717 reg_win_data->reg_area_data[i].xsize *
1718 cur_screen->mode.xres /
1719 primary_screen.mode.xres;
1720 win->area[i].ysize =
1721 reg_win_data->reg_area_data[i].ysize *
1722 cur_screen->mode.yres /
1723 primary_screen.mode.yres;
1725 /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1726 if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
1727 if (cur_screen->xsize > 0 &&
1728 cur_screen->xsize <= cur_screen->mode.xres) {
1730 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1731 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1732 win->area[i].xsize =
1733 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1735 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1737 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1738 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1739 win->area[i].ysize =
1740 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1745 reg_win_data->reg_area_data[i].xact;
1747 reg_win_data->reg_area_data[i].yact;
1749 reg_win_data->reg_area_data[i].xvir;
1751 reg_win_data->reg_area_data[i].yvir;
1753 reg_win_data->reg_area_data[i].xoff;
1755 reg_win_data->reg_area_data[i].yoff;
1756 win->area[i].y_offset =
1757 reg_win_data->reg_area_data[i].y_offset;
1758 win->area[i].y_vir_stride =
1759 reg_win_data->reg_area_data[i].y_vir_stride;
1760 win->area[i].state = 1;
1761 if (dev_drv->iommu_enabled) {
1762 g_now_config_addr[win->id][i] =
1763 win->area[i].smem_start +
1764 win->area[i].y_offset;
1765 g_now_config_state[win->id][i] = 1;
1768 win->area[i].state = 0;
1769 win->area[i].fbdc_en = 0;
1770 if (dev_drv->iommu_enabled) {
1771 g_now_config_addr[win->id][i] = 0;
1772 g_now_config_state[win->id][i] = 0;
1779 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1783 struct rk_fb_reg_win_data *win_data = NULL;
1785 for (i = 0; i < regs->win_num; i++) {
1786 if (regs->reg_win_data[i].win_id == win_id) {
1787 win_data = &(regs->reg_win_data[i]);
1795 static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
1796 struct rk_fb_reg_data *regs,
1799 int i, j, wait_for_vsync = false;
1800 unsigned int dsp_addr[5][4];
1803 if (dev_drv->ops->get_dsp_addr)
1804 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1806 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1807 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1808 if ((j > 0) && (dev_drv->area_support[i] == 1))
1810 if (dev_drv->win[i]->area[j].state == 1) {
1812 dev_drv->win[i]->area[j].smem_start +
1813 dev_drv->win[i]->area[j].y_offset;
1814 u32 reg_start = dsp_addr[i][j];
1816 if (unlikely(new_start != reg_start)) {
1817 wait_for_vsync = true;
1818 dev_info(dev_drv->dev,
1819 "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1820 i, new_start, reg_start,
1824 } else if (dev_drv->win[i]->area[j].state == 0) {
1825 if (dev_drv->ops->get_win_state) {
1827 dev_drv->ops->get_win_state(dev_drv, i, j);
1829 wait_for_vsync = true;
1832 pr_err("!!!win[%d]state:%d,error!!!\n",
1833 i, dev_drv->win[i]->state);
1838 return wait_for_vsync;
1841 static int rk_fb_iommu_page_fault_dump(struct rk_lcdc_driver *dev_drv)
1843 int i, j, state, page_fault = 0;
1844 unsigned int dsp_addr[5][4];
1846 if (dev_drv->ops->extern_func) {
1847 dev_drv->ops->extern_func(dev_drv, UNMASK_PAGE_FAULT);
1848 page_fault = dev_drv->ops->extern_func(dev_drv, GET_PAGE_FAULT);
1851 pr_info("last config:\n");
1852 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1853 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1854 if ((j > 0) && (dev_drv->area_support[i] == 1))
1856 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1857 i, j, g_last_state[i][j], g_last_addr[i][j]);
1861 pr_info("last freed buffer:\n");
1862 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1863 pr_info("%d:0x%08x\n", i, freed_addr[i]);
1865 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1866 pr_info("vop now state:\n");
1867 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1868 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1869 if ((j > 0) && (dev_drv->area_support[i] == 1))
1871 state = dev_drv->ops->get_win_state(dev_drv, i, j);
1872 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1873 i, j, state, dsp_addr[i][j]);
1876 pr_info("now config:\n");
1877 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1878 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1879 if ((j > 0) && (dev_drv->area_support[i] == 1))
1881 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1882 i, j, g_now_config_state[i][j],
1883 g_now_config_addr[i][j]);
1886 for (i = 0; i < DUMP_FRAME_NUM; i++)
1887 rk_fb_config_debug(dev_drv, &dev_drv->tmp_win_cfg[i],
1888 &dev_drv->tmp_regs[i], 0);
1891 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1892 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1893 if ((j > 0) && (dev_drv->area_support[i] == 1))
1895 g_last_addr[i][j] = g_now_config_addr[i][j];
1896 g_last_state[i][j] = g_now_config_state[i][j];
1902 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1903 struct rk_fb_reg_data *regs)
1906 struct rk_lcdc_win *win;
1907 ktime_t timestamp = dev_drv->vsync_info.timestamp;
1908 struct rk_fb_reg_win_data *win_data;
1909 bool wait_for_vsync;
1914 if (dev_drv->suspend_flag == 1) {
1916 sw_sync_timeline_inc(dev_drv->timeline, 1);
1918 for (i = 0; i < regs->win_num; i++) {
1919 win_data = ®s->reg_win_data[i];
1920 rk_fb_free_dma_buf(dev_drv, win_data);
1922 if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
1923 rk_fb_free_wb_buf(dev_drv, ®s->reg_wb_data);
1927 /* acq_fence wait */
1928 for (i = 0; i < regs->win_num; i++) {
1929 win_data = ®s->reg_win_data[i];
1930 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1931 if (win_data->reg_area_data[j].acq_fence)
1932 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1936 mutex_lock(&dev_drv->win_config);
1937 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1938 win = dev_drv->win[i];
1939 win_data = rk_fb_get_win_data(regs, i);
1941 rk_fb_update_win(dev_drv, win, win_data);
1943 dev_drv->ops->set_par(dev_drv, i);
1944 dev_drv->ops->pan_display(dev_drv, i);
1948 for (j = 0; j < 4; j++) {
1949 win->area[j].state = 0;
1950 win->area[j].fbdc_en = 0;
1952 if (dev_drv->iommu_enabled) {
1953 for (j = 0; j < 4; j++) {
1954 g_now_config_addr[i][j] = 0;
1955 g_now_config_state[i][j] = 0;
1960 dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1962 if (dev_drv->property.feature & SUPPORT_WRITE_BACK) {
1963 memcpy(&dev_drv->wb_data, ®s->reg_wb_data,
1964 sizeof(struct rk_fb_reg_wb_data));
1965 if (dev_drv->ops->set_wb)
1966 dev_drv->ops->set_wb(dev_drv);
1969 if (rk_fb_iommu_debug > 0)
1970 pagefault = rk_fb_iommu_page_fault_dump(dev_drv);
1973 dev_drv->ops->cfg_done(dev_drv);
1975 sw_sync_timeline_inc(dev_drv->timeline, 1);
1976 mutex_unlock(&dev_drv->win_config);
1979 timestamp = dev_drv->vsync_info.timestamp;
1980 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1981 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1982 msecs_to_jiffies(50));
1984 wait_for_vsync = rk_fb_reg_effect(dev_drv, regs, count);
1985 } while (wait_for_vsync && count--);
1987 sw_sync_timeline_inc(dev_drv->timeline, 1);
1990 if (dev_drv->front_regs) {
1991 if (dev_drv->iommu_enabled) {
1992 if (dev_drv->ops->mmu_en)
1993 dev_drv->ops->mmu_en(dev_drv);
1995 g_last_timeout = timeout;
1998 mutex_lock(&dev_drv->front_lock);
2000 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
2001 win_data = &dev_drv->front_regs->reg_win_data[i];
2002 rk_fb_free_dma_buf(dev_drv, win_data);
2004 if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
2005 rk_fb_free_wb_buf(dev_drv,
2006 &dev_drv->front_regs->reg_wb_data);
2007 kfree(dev_drv->front_regs);
2009 mutex_unlock(&dev_drv->front_lock);
2011 if (dev_drv->iommu_enabled)
2012 freed_addr[freed_index] = 0xfefefefe;
2015 mutex_lock(&dev_drv->front_lock);
2017 dev_drv->front_regs = regs;
2019 mutex_unlock(&dev_drv->front_lock);
2021 trace_buffer_dump(&fb_pdev->dev, dev_drv);
2024 static void rk_fb_update_regs_handler(struct kthread_work *work)
2026 struct rk_lcdc_driver *dev_drv =
2027 container_of(work, struct rk_lcdc_driver, update_regs_work);
2028 struct rk_fb_reg_data *data, *next;
2030 mutex_lock(&dev_drv->update_regs_list_lock);
2031 dev_drv->saved_list = dev_drv->update_regs_list;
2032 list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
2033 mutex_unlock(&dev_drv->update_regs_list_lock);
2035 list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
2036 list_del(&data->list);
2037 rk_fb_update_reg(dev_drv, data);
2040 if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
2041 wake_up(&dev_drv->update_regs_wait);
2044 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
2045 struct rk_screen *screen)
2047 if (area_par->phy_addr > 0)
2048 pr_err("%s[%d], phy_addr = 0x%x\n",
2049 __func__, __LINE__, area_par->phy_addr);
2050 if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
2051 (area_par->xact <= 0) || (area_par->yact <= 0) ||
2052 (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
2053 pr_err("check config var fail 0:\n"
2054 "x_offset=%d,xact=%d,xvir=%d\n",
2055 area_par->x_offset, area_par->xact, area_par->xvir);
2059 if ((area_par->xpos >= screen->mode.xres) ||
2060 (area_par->ypos >= screen->mode.yres) ||
2061 ((area_par->xsize <= 0) || (area_par->ysize <= 0))) {
2062 pr_warn("check config var fail 1:\n"
2063 "xpos=%d,xsize=%d,xres=%d\n"
2064 "ypos=%d,ysize=%d,yres=%d\n",
2065 area_par->xpos, area_par->xsize, screen->mode.xres,
2066 area_par->ypos, area_par->ysize, screen->mode.yres);
2072 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
2073 struct rk_fb_win_cfg_data *win_data,
2074 struct rk_fb_reg_data *regs, u32 cmd)
2077 struct rk_fb_win_par *win_par;
2078 struct rk_fb_area_par *area_par;
2079 struct rk_fb_reg_win_data *reg_win_data;
2080 struct rk_fb_reg_area_data *area_data;
2082 rk_fb_dbg(cmd, "-------------frame start-------------\n");
2083 rk_fb_dbg(cmd, "user config:\n");
2084 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2085 win_par = &(win_data->win_par[i]);
2086 if ((win_par->area_par[0].ion_fd <= 0) &&
2087 (win_par->area_par[0].phy_addr <= 0))
2089 rk_fb_dbg(cmd, "win[%d]:z_order=%d,galhpa_v=%d\n",
2090 win_par->win_id, win_par->z_order,
2091 win_par->g_alpha_val);
2092 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2093 area_par = &(win_par->area_par[j]);
2094 if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2095 ((win_par->area_par[j].ion_fd <= 0) &&
2096 (win_par->area_par[j].phy_addr <= 0)))
2098 rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion_fd=%d,phy_add=0x%x,xoff=%d,yoff=%d\n",
2099 j, area_par->data_format, area_par->ion_fd,
2100 area_par->phy_addr, area_par->x_offset,
2101 area_par->y_offset);
2102 rk_fb_dbg(cmd, " xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2103 area_par->xpos, area_par->ypos,
2104 area_par->xsize, area_par->ysize);
2105 rk_fb_dbg(cmd, " xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2106 area_par->xact, area_par->yact,
2107 area_par->xvir, area_par->yvir);
2111 rk_fb_dbg(cmd, "regs data:\n");
2112 rk_fb_dbg(cmd, "win_num=%d,buf_num=%d\n",
2113 regs->win_num, regs->buf_num);
2114 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2115 reg_win_data = &(regs->reg_win_data[i]);
2116 if (reg_win_data->reg_area_data[0].smem_start <= 0)
2118 rk_fb_dbg(cmd, "win[%d]:z_order=%d,area_num=%d,area_buf_num=%d\n",
2119 reg_win_data->win_id, reg_win_data->z_order,
2120 reg_win_data->area_num, reg_win_data->area_buf_num);
2121 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2122 area_data = &(reg_win_data->reg_area_data[j]);
2123 if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2124 (area_data->smem_start <= 0))
2126 rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion=%p,smem_star=0x%lx,cbr_star=0x%lx\n",
2127 j, area_data->data_format, area_data->ion_handle,
2128 area_data->smem_start, area_data->cbr_start);
2129 rk_fb_dbg(cmd, " yoff=0x%x,coff=0x%x,area_data->buff_len=%x\n",
2130 area_data->y_offset, area_data->c_offset, area_data->buff_len);
2131 rk_fb_dbg(cmd, " xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2132 area_data->xpos, area_data->ypos,
2133 area_data->xsize, area_data->ysize);
2134 rk_fb_dbg(cmd, " xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2135 area_data->xact, area_data->yact,
2136 area_data->xvir, area_data->yvir);
2139 rk_fb_dbg(cmd, "-------------frame end---------------\n");
2143 static int rk_fb_config_backup(struct rk_lcdc_driver *dev_drv,
2144 struct rk_fb_win_cfg_data *win_cfg,
2145 struct rk_fb_reg_data *regs)
2149 /*2->1->0: 0 is newest*/
2150 for (i = 0; i < DUMP_FRAME_NUM - 1; i++) {
2151 memcpy(&dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 1 - i],
2152 &dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 2 - i],
2153 sizeof(struct rk_fb_win_cfg_data));
2154 memcpy(&dev_drv->tmp_regs[DUMP_FRAME_NUM - 1 - i],
2155 &dev_drv->tmp_regs[DUMP_FRAME_NUM - 2 - i],
2156 sizeof(struct rk_fb_reg_data));
2159 memcpy(&dev_drv->tmp_win_cfg[0], win_cfg,
2160 sizeof(struct rk_fb_win_cfg_data));
2161 memcpy(&dev_drv->tmp_regs[0], regs,
2162 sizeof(struct rk_fb_reg_data));
2167 static int rk_fb_set_wb_buffer(struct fb_info *info,
2168 struct rk_fb_wb_cfg *wb_cfg,
2169 struct rk_fb_reg_wb_data *wb_data)
2172 ion_phys_addr_t phy_addr;
2175 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2176 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2177 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2179 if ((wb_cfg->phy_addr == 0) && (wb_cfg->ion_fd == 0)) {
2183 if (wb_cfg->phy_addr == 0) {
2184 wb_data->ion_handle =
2185 ion_import_dma_buf(rk_fb->ion_client,
2187 if (IS_ERR(wb_data->ion_handle)) {
2188 pr_info("Could not import handle: %ld\n",
2189 (long)wb_data->ion_handle);
2192 if (dev_drv->iommu_enabled)
2193 ret = ion_map_iommu(dev_drv->dev,
2195 wb_data->ion_handle,
2196 (unsigned long *)&phy_addr,
2197 (unsigned long *)&len);
2199 ret = ion_phys(rk_fb->ion_client, wb_data->ion_handle,
2202 pr_err("ion map to get phy addr failed\n");
2203 ion_free(rk_fb->ion_client, wb_data->ion_handle);
2206 wb_data->smem_start = phy_addr;
2208 wb_data->smem_start = wb_cfg->phy_addr;
2211 fb_data_fmt = rk_fb_data_fmt(wb_cfg->data_format, 0);
2212 if (IS_YUV_FMT(fb_data_fmt))
2213 wb_data->cbr_start = wb_data->smem_start +
2214 wb_cfg->xsize * wb_cfg->ysize;
2215 wb_data->xsize = wb_cfg->xsize;
2216 wb_data->ysize = wb_cfg->ysize;
2217 wb_data->data_format = fb_data_fmt;
2223 static int rk_fb_set_win_buffer(struct fb_info *info,
2224 struct rk_fb_win_par *win_par,
2225 struct rk_fb_reg_win_data *reg_win_data)
2227 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2228 struct fb_fix_screeninfo *fix = &info->fix;
2229 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2230 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2231 /*if hdmi size move to hwc,screen should point to cur_screen
2232 *otherwise point to screen0[main screen]*/
2233 struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
2234 struct fb_info *fbi;
2235 int i, ion_fd, acq_fence_fd;
2236 u32 xvir = 0, yvir = 0;
2237 u32 xoffset = 0, yoffset = 0;
2239 struct ion_handle *hdl;
2244 u32 vir_width_bit = 0;
2245 u32 stride = 0, uv_stride = 0;
2246 u32 stride_32bit_1 = 0;
2247 u32 stride_32bit_2 = 0;
2248 u16 uv_x_off = 0, uv_y_off = 0, uv_y_act = 0;
2250 u8 ppixel_a = 0, global_a = 0;
2251 ion_phys_addr_t phy_addr;
2255 reg_win_data->reg_area_data[0].smem_start = -1;
2256 reg_win_data->area_num = 0;
2257 fbi = rk_fb->fb[win_par->win_id + dev_drv->fb_index_base];
2258 if (win_par->area_par[0].phy_addr == 0) {
2259 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2260 ion_fd = win_par->area_par[i].ion_fd;
2263 ion_import_dma_buf(rk_fb->ion_client,
2266 pr_info("%s: win[%d]area[%d] can't import handle\n",
2267 __func__, win_par->win_id, i);
2268 pr_info("fd: %d, hdl: 0x%p, ion_client: 0x%p\n",
2269 ion_fd, hdl, rk_fb->ion_client);
2273 reg_win_data->reg_area_data[i].ion_handle = hdl;
2274 if (dev_drv->iommu_enabled)
2275 ret = ion_map_iommu(dev_drv->dev,
2278 (unsigned long *)&phy_addr,
2279 (unsigned long *)&len);
2281 ret = ion_phys(rk_fb->ion_client, hdl,
2284 dev_err(fbi->dev, "ion map to get phy addr failed\n");
2285 ion_free(rk_fb->ion_client, hdl);
2288 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2289 reg_win_data->area_num++;
2290 reg_win_data->area_buf_num++;
2291 reg_win_data->reg_area_data[i].index_buf = 1;
2292 reg_win_data->reg_area_data[i].buff_len = len;
2296 reg_win_data->reg_area_data[0].smem_start =
2297 win_par->area_par[0].phy_addr;
2298 reg_win_data->area_num = 1;
2299 reg_win_data->area_buf_num++;
2300 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2303 if (reg_win_data->area_num == 0) {
2304 for (i = 0; i < RK_WIN_MAX_AREA; i++)
2305 reg_win_data->reg_area_data[i].smem_start = 0;
2306 reg_win_data->z_order = -1;
2307 reg_win_data->win_id = -1;
2311 for (i = 0; i < reg_win_data->area_num; i++) {
2312 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2313 index_buf = reg_win_data->reg_area_data[i].index_buf;
2314 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2315 reg_win_data->reg_area_data[i].acq_fence =
2316 sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2319 if (reg_win_data->reg_area_data[0].smem_start > 0) {
2320 reg_win_data->z_order = win_par->z_order;
2321 reg_win_data->win_id = win_par->win_id;
2323 reg_win_data->z_order = -1;
2324 reg_win_data->win_id = -1;
2327 reg_win_data->mirror_en = win_par->mirror_en;
2328 for (i = 0; i < reg_win_data->area_num; i++) {
2329 u8 data_format = win_par->area_par[i].data_format;
2330 /*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
2331 reg_win_data->colorspace = CSC_FORMAT(data_format);
2332 data_format &= ~CSC_MASK;
2333 fb_data_fmt = rk_fb_data_fmt(data_format, 0);
2334 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
2335 if (IS_FBDC_FMT(fb_data_fmt)) {
2336 reg_win_data->reg_area_data[i].fbdc_en = 1;
2337 reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
2339 reg_win_data->reg_area_data[i].fbdc_en = 0;
2340 reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
2342 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2344 ppixel_a |= ((fb_data_fmt == ARGB888) ||
2345 (fb_data_fmt == FBDC_ARGB_888) ||
2346 (fb_data_fmt == FBDC_ABGR_888) ||
2347 (fb_data_fmt == ABGR888)) ? 1 : 0;
2348 /*act_height should be 2 pix align for interlace output*/
2349 if (win_par->area_par[i].yact % 2 == 1) {
2350 win_par->area_par[i].yact -= 1;
2351 win_par->area_par[i].ysize -= 1;
2354 /* buf offset should be 2 pix align*/
2355 if ((win_par->area_par[i].x_offset % 2 == 1) &&
2356 IS_YUV_FMT(fb_data_fmt)) {
2357 win_par->area_par[i].x_offset += 1;
2358 win_par->area_par[i].xact -= 1;
2361 /* visiable pos in panel */
2362 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2363 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2365 /* realy size in panel */
2366 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2367 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2369 /* realy size in panel */
2370 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2371 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2373 xoffset = win_par->area_par[i].x_offset; /* buf offset */
2374 yoffset = win_par->area_par[i].y_offset;
2375 reg_win_data->reg_area_data[i].xoff = xoffset;
2376 reg_win_data->reg_area_data[i].yoff = yoffset;
2378 xvir = win_par->area_par[i].xvir;
2379 reg_win_data->reg_area_data[i].xvir = xvir;
2380 yvir = win_par->area_par[i].yvir;
2381 reg_win_data->reg_area_data[i].yvir = yvir;
2383 vir_width_bit = pixel_width * xvir;
2384 /* pixel_width = byte_num*8 */
2385 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2386 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2388 stride = stride_32bit_1; /* default rgb */
2389 fix->line_length = stride;
2390 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2392 /* x y mirror ,jump line
2393 * reg_win_data->reg_area_data[i].y_offset =
2394 * yoffset*stride+xoffset*pixel_width/8;
2396 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2397 if (screen->interlace == 1) {
2398 reg_win_data->reg_area_data[i].y_offset =
2399 yoffset * stride * 2 +
2400 ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2401 xoffset * pixel_width / 8;
2403 reg_win_data->reg_area_data[i].y_offset =
2405 (reg_win_data->reg_area_data[i].yact - 1) * stride +
2406 xoffset * pixel_width / 8;
2409 if (screen->interlace == 1) {
2410 reg_win_data->reg_area_data[i].y_offset =
2411 yoffset * stride * 2 +
2412 xoffset * pixel_width / 8;
2414 reg_win_data->reg_area_data[i].y_offset =
2416 xoffset * pixel_width / 8;
2419 if (IS_RGB_FMT(fb_data_fmt) && dev_drv->iommu_enabled) {
2420 buff_len = reg_win_data->reg_area_data[i].y_offset +
2421 reg_win_data->reg_area_data[i].xvir *
2422 reg_win_data->reg_area_data[i].yact *
2424 reg_win_data->reg_area_data[i].xoff*
2426 if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2427 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2429 "=buff_len[0x%x]>>mmu len=0x%x\n",
2431 reg_win_data->reg_area_data[i].xvir,
2432 reg_win_data->reg_area_data[i].yact,
2433 pixel_width, buff_len,
2434 reg_win_data->reg_area_data[i].buff_len);
2438 global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2439 reg_win_data->alpha_en = ppixel_a | global_a;
2440 reg_win_data->g_alpha_val = win_par->g_alpha_val;
2441 reg_win_data->alpha_mode = win_par->alpha_mode;
2443 switch (fb_data_fmt) {
2447 stride = stride_32bit_1;
2448 uv_stride = stride_32bit_1;
2451 fix->line_length = stride;
2452 uv_y_act = win_par->area_par[0].yact >> 1;
2454 case YUV420: /* nv12 */
2455 case YUV420_NV21: /* nv21 */
2458 stride = stride_32bit_1;
2459 uv_stride = stride_32bit_1;
2461 uv_y_off = yoffset >> 1;
2462 fix->line_length = stride;
2463 uv_y_act = win_par->area_par[0].yact >> 1;
2468 stride = stride_32bit_1;
2469 uv_stride = stride_32bit_2;
2470 uv_x_off = xoffset * 2;
2472 fix->line_length = stride << 2;
2473 uv_y_act = win_par->area_par[0].yact;
2478 if (is_pic_yuv == 1) {
2479 reg_win_data->reg_area_data[0].cbr_start =
2480 reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2481 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2482 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2483 if (screen->interlace == 1) {
2484 reg_win_data->reg_area_data[0].c_offset =
2485 uv_y_off * uv_stride * 2 +
2486 ((uv_y_act - 1) * 2 + 1) * uv_stride +
2487 uv_x_off * pixel_width / 8;
2489 reg_win_data->reg_area_data[0].c_offset =
2490 uv_y_off * uv_stride +
2491 (uv_y_act - 1) * uv_stride +
2492 uv_x_off * pixel_width / 8;
2495 if (screen->interlace == 1) {
2496 reg_win_data->reg_area_data[0].c_offset =
2497 uv_y_off * uv_stride * 2 +
2498 uv_x_off * pixel_width / 8;
2500 reg_win_data->reg_area_data[0].c_offset =
2501 uv_y_off * uv_stride +
2502 uv_x_off * pixel_width / 8;
2505 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2506 reg_win_data->reg_area_data[0].c_offset +
2507 reg_win_data->reg_area_data[0].xvir *
2508 reg_win_data->reg_area_data[0].yact *
2510 reg_win_data->reg_area_data[0].smem_start -
2511 reg_win_data->reg_area_data[0].xoff*
2513 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2514 dev_drv->iommu_enabled)
2515 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2517 "=buff_len[0x%x]>>mmu len=0x%x\n",
2519 reg_win_data->reg_area_data[0].xvir,
2520 reg_win_data->reg_area_data[0].yact,
2521 pixel_width, buff_len,
2522 reg_win_data->reg_area_data[0].buff_len);
2525 /* record buffer information for rk_fb_disp_scale to prevent fence
2526 * timeout because rk_fb_disp_scale will call function
2527 * info->fbops->fb_set_par(info);
2528 * delete by hjc for new hdmi overscan framework.
2530 /* info->var.yoffset = yoffset;
2531 * info->var.xoffset = xoffset;
2536 static int rk_fb_set_win_config(struct fb_info *info,
2537 struct rk_fb_win_cfg_data *win_data)
2539 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2540 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2541 struct rk_fb_reg_data *regs;
2543 struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2544 struct sync_fence *retire_fence;
2545 struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2546 struct sync_pt *retire_sync_pt;
2547 char fence_name[20];
2549 int ret = 0, i, j = 0;
2550 int list_is_empty = 0;
2551 struct rk_screen *screen = dev_drv->cur_screen;
2553 mutex_lock(&dev_drv->output_lock);
2555 for (i = 0; i < 4; i++) {
2556 for (j = 0; j < 4; j++) {
2557 if ((win_data->win_par[i].area_par[j].ion_fd > 0) ||
2558 (win_data->win_par[i].area_par[j].phy_addr > 0))
2559 ret += rk_fb_check_config_var(
2560 &win_data->win_par[i].area_par[j],
2564 if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
2565 dev_drv->timeline_max++;
2566 sw_sync_timeline_inc(dev_drv->timeline, 1);
2567 if (dev_drv->suspend_flag)
2568 pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
2569 else if (dev_drv->hdmi_switch)
2570 pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
2572 pr_err("error config ,ignore\n");
2573 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2574 win_data->rel_fence_fd[j] = -1;
2575 win_data->ret_fence_fd = -1;
2579 regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2581 pr_info("could not allocate rk_fb_reg_data\n");
2586 for (i = 0, j = 0; i < dev_drv->lcdc_win_num; i++) {
2587 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2588 if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2589 ®s->reg_win_data[j])) {
2591 pr_info("error:%s[%d]\n", __func__, __LINE__);
2594 if (regs->reg_win_data[j].area_num > 0) {
2597 regs->reg_win_data[j].area_buf_num;
2601 pr_info("error:win_id bigger than lcdc_win_num\n");
2602 pr_info("i=%d,win_id=%d\n", i,
2603 win_data->win_par[i].win_id);
2606 if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
2607 rk_fb_set_wb_buffer(info, &win_data->wb_cfg,
2608 ®s->reg_wb_data);
2609 if (regs->win_num <= 0)
2610 goto err_null_frame;
2612 dev_drv->timeline_max++;
2614 win_data->ret_fence_fd = get_unused_fd_flags(0);
2615 if (win_data->ret_fence_fd < 0) {
2616 pr_err("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2617 win_data->ret_fence_fd = -1;
2621 for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2622 if (i < regs->buf_num) {
2623 sprintf(fence_name, "fence%d", i);
2624 win_data->rel_fence_fd[i] = get_unused_fd_flags(0);
2625 if (win_data->rel_fence_fd[i] < 0) {
2626 pr_info("rel_fence_fd=%d\n",
2627 win_data->rel_fence_fd[i]);
2631 release_sync_pt[i] =
2632 sw_sync_pt_create(dev_drv->timeline,
2633 dev_drv->timeline_max);
2635 sync_fence_create(fence_name, release_sync_pt[i]);
2636 sync_fence_install(release_fence[i],
2637 win_data->rel_fence_fd[i]);
2639 win_data->rel_fence_fd[i] = -1;
2644 sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2645 retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2646 sync_fence_install(retire_fence, win_data->ret_fence_fd);
2648 for (i = 0; i < RK_MAX_BUF_NUM; i++)
2649 win_data->rel_fence_fd[i] = -1;
2651 win_data->ret_fence_fd = -1;
2653 if (dev_drv->wait_fs == 0) {
2654 mutex_lock(&dev_drv->update_regs_list_lock);
2655 list_add_tail(®s->list, &dev_drv->update_regs_list);
2656 mutex_unlock(&dev_drv->update_regs_list_lock);
2657 queue_kthread_work(&dev_drv->update_regs_worker,
2658 &dev_drv->update_regs_work);
2660 mutex_lock(&dev_drv->update_regs_list_lock);
2661 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2662 list_empty(&dev_drv->saved_list);
2663 mutex_unlock(&dev_drv->update_regs_list_lock);
2664 if (!list_is_empty) {
2665 ret = wait_event_timeout(dev_drv->update_regs_wait,
2666 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2667 msecs_to_jiffies(60));
2669 rk_fb_update_reg(dev_drv, regs);
2671 pr_info("%s: wait update_regs_wait timeout\n", __func__);
2672 } else if (ret == 0) {
2673 rk_fb_update_reg(dev_drv, regs);
2676 if (rk_fb_debug_lvl > 0)
2677 rk_fb_config_debug(dev_drv, win_data, regs, rk_fb_debug_lvl);
2678 if (rk_fb_iommu_debug > 0)
2679 rk_fb_config_backup(dev_drv, win_data, regs);
2681 mutex_unlock(&dev_drv->output_lock);
2684 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2685 win_data->rel_fence_fd[j] = -1;
2686 win_data->ret_fence_fd = -1;
2687 pr_info("win num = %d,null frame\n", regs->win_num);
2689 rk_fb_config_debug(dev_drv, win_data, regs, 0);
2691 mutex_unlock(&dev_drv->output_lock);
2697 static int cfgdone_distlist[10] = { 0 };
2699 static int cfgdone_index;
2700 static int cfgdone_lasttime;
2702 int rk_get_real_fps(int before)
2704 struct timespec now;
2710 int index = cfgdone_index;
2719 getnstimeofday(&now);
2720 dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2723 for (i = 0; i < 10; i++) {
2726 total += cfgdone_distlist[index];
2728 dist_first = cfgdone_distlist[index];
2729 if (total < (before * 1000)) {
2730 dist_total += cfgdone_distlist[index];
2737 dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2738 dist_total += dist_curr;
2742 fps = (1000000 * dist_count) / dist_total;
2748 EXPORT_SYMBOL(rk_get_real_fps);
2752 static struct ion_handle *ion_hanle[ION_MAX];
2753 static struct ion_handle *ion_hwc[1];
2754 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2757 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2758 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2759 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2760 struct fb_fix_screeninfo *fix = &info->fix;
2761 struct rk_lcdc_win *win;
2762 int enable; /* enable fb:1 enable;0 disable */
2763 int ovl; /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2764 int num_buf; /* buffer_number */
2766 struct rk_fb_win_cfg_data win_data;
2767 unsigned int dsp_addr[4][4];
2770 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2771 void __user *argp = (void __user *)arg;
2773 win = dev_drv->win[win_id];
2775 case RK_FBIOSET_HWC_ADDR:
2779 if (copy_from_user(hwc_phy, argp, 4))
2781 if (!dev_drv->iommu_enabled) {
2782 fix->smem_start = hwc_phy[0];
2785 struct ion_handle *hdl;
2786 ion_phys_addr_t phy_addr;
2789 usr_fd = hwc_phy[0];
2791 fix->smem_start = 0;
2792 fix->mmio_start = 0;
2793 dev_drv->ops->open(dev_drv, win_id, 0);
2797 if (ion_hwc[0] != 0) {
2798 ion_free(rk_fb->ion_client, ion_hwc[0]);
2802 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2804 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2809 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2810 (unsigned long *)&phy_addr,
2811 (unsigned long *)&len);
2813 dev_err(info->dev, "ion map to get hwc phy addr failed");
2814 ion_free(rk_fb->ion_client, hdl);
2817 fix->smem_start = phy_addr;
2822 case RK_FBIOSET_YUV_ADDR:
2826 if (copy_from_user(yuv_phy, argp, 8))
2828 if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2829 fix->smem_start = yuv_phy[0];
2830 fix->mmio_start = yuv_phy[1];
2832 int usr_fd, offset, tmp;
2833 struct ion_handle *hdl;
2834 ion_phys_addr_t phy_addr;
2837 usr_fd = yuv_phy[0];
2838 offset = yuv_phy[1] - yuv_phy[0];
2840 fix->smem_start = 0;
2841 fix->mmio_start = 0;
2845 if (ion_hanle[ION_MAX - 1] != 0) {
2846 /*ion_unmap_kernel(rk_fb->ion_client,
2847 * ion_hanle[ION_MAX - 1]);
2848 *ion_unmap_iommu(dev_drv->dev,
2849 * rk_fb->ion_client,
2850 * ion_hanle[ION_MAX - 1]);
2852 ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2853 ion_hanle[ION_MAX - 1] = 0;
2856 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2858 dev_err(info->dev, "failed to get ion handle:%ld\n",
2863 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2864 (unsigned long *)&phy_addr,
2865 (unsigned long *)&len);
2867 dev_err(info->dev, "ion map to get phy addr failed");
2868 ion_free(rk_fb->ion_client, hdl);
2871 fix->smem_start = phy_addr;
2872 fix->mmio_start = phy_addr + offset;
2873 fix->smem_len = len;
2874 /*info->screen_base =
2875 * ion_map_kernel(rk_fb->ion_client, hdl);
2878 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2879 ion_hanle[tmp] = ion_hanle[tmp - 1];
2884 case RK_FBIOSET_ENABLE:
2885 if (copy_from_user(&enable, argp, sizeof(enable)))
2887 if (enable && fb_par->state)
2891 dev_drv->ops->open(dev_drv, win_id, enable);
2893 case RK_FBIOGET_ENABLE:
2894 enable = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
2895 if (copy_to_user(argp, &enable, sizeof(enable)))
2898 case RK_FBIOSET_OVERLAY_STA:
2899 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2901 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2903 case RK_FBIOGET_OVERLAY_STA:
2904 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2905 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2908 case RK_FBIOPUT_NUM_BUFFERS:
2909 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2911 dev_drv->num_buf = num_buf;
2913 case RK_FBIOSET_VSYNC_ENABLE:
2914 if (copy_from_user(&enable, argp, sizeof(enable)))
2917 dev_drv->vsync_info.active++;
2919 dev_drv->vsync_info.active--;
2921 case RK_FBIOGET_DSP_ADDR:
2922 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2923 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2926 case RK_FBIOGET_LIST_STA:
2927 list_stat = rk_fb_get_list_stat(dev_drv);
2928 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2932 case RK_FBIOGET_IOMMU_STA:
2933 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2934 sizeof(dev_drv->iommu_enabled)))
2937 #if defined(CONFIG_ION_ROCKCHIP)
2938 case RK_FBIOSET_DMABUF_FD:
2941 struct ion_handle *hdl;
2942 ion_phys_addr_t phy_addr;
2945 if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2948 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2949 ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2950 fix->smem_start = phy_addr;
2953 case RK_FBIOGET_DMABUF_FD:
2957 if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2959 "get dma_buf fd failed,ion handle is err\n");
2960 return PTR_ERR(fb_par->ion_hdl);
2962 fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2966 "ion_share_dma_buf_fd failed\n");
2969 if (copy_to_user(argp, &fd, sizeof(fd)))
2974 case RK_FBIOSET_CLEAR_FB:
2975 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2977 case RK_FBIOSET_CONFIG_DONE:
2980 struct timespec now;
2982 getnstimeofday(&now);
2983 curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2984 cfgdone_distlist[cfgdone_index++] =
2985 curr - cfgdone_lasttime;
2986 cfgdone_lasttime = curr;
2987 if (cfgdone_index >= 10)
2990 if (is_car_camcap()) {
2993 for (i = 0; i < RK_MAX_BUF_NUM; i++)
2994 win_data.rel_fence_fd[i] = -1;
2996 win_data.ret_fence_fd = -1;
2999 if (copy_from_user(&win_data,
3000 (struct rk_fb_win_cfg_data __user *)argp,
3001 sizeof(win_data))) {
3006 dev_drv->wait_fs = win_data.wait_fs;
3007 ret = rk_fb_set_win_config(info, &win_data);
3010 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
3011 &win_data, sizeof(win_data))) {
3015 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
3017 if (dev_drv->uboot_logo)
3018 dev_drv->uboot_logo = 0;
3022 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
3029 static int rk_fb_blank(int blank_mode, struct fb_info *info)
3031 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3032 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3033 struct fb_fix_screeninfo *fix = &info->fix;
3035 #if defined(CONFIG_RK_HDMI)
3036 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
3039 if (is_car_camcap())
3041 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
3044 mutex_lock(&dev_drv->switch_screen);
3045 #if defined(CONFIG_RK_HDMI)
3046 if ((rk_fb->disp_mode == ONE_DUAL) &&
3047 (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
3048 pr_info("hdmi is connect , not blank lcdc\n");
3052 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
3054 mutex_unlock(&dev_drv->switch_screen);
3058 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
3060 if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
3061 (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
3062 ((16 != var->bits_per_pixel) &&
3063 (32 != var->bits_per_pixel) &&
3064 (24 != var->bits_per_pixel))) {
3065 dev_err(info->dev, "%s check var fail 1:\n"
3066 "xres_vir:%d>>yres_vir:%d\n"
3067 "xres:%d>>yres:%d\n"
3068 "bits_per_pixel:%d\n",
3072 var->xres, var->yres, var->bits_per_pixel);
3076 if (((var->xoffset + var->xres) > var->xres_virtual) ||
3077 ((var->yoffset + var->yres) > (var->yres_virtual))) {
3078 dev_err(info->dev, "%s check_var fail 2:\n"
3079 "xoffset:%d>>xres:%d>>xres_vir:%d\n"
3080 "yoffset:%d>>yres:%d>>yres_vir:%d\n",
3085 var->yoffset, var->yres, var->yres_virtual);
3092 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
3093 size_t count, loff_t *ppos)
3095 unsigned long p = *ppos;
3098 int c, cnt = 0, err = 0;
3099 unsigned long total_size;
3100 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3101 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3102 struct rk_lcdc_win *win = NULL;
3105 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3109 win = dev_drv->win[win_id];
3111 /* only read the current frame buffer */
3112 if (win->area[0].format == RGB565) {
3113 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
3114 } else if ((win->area[0].format == YUV420) ||
3115 (win->area[0].format == YUV420_NV21)) {
3117 (win->area[0].y_vir_stride * win->area[0].yact * 6);
3119 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
3121 if (p >= total_size)
3124 if (count >= total_size)
3127 if (count + p > total_size)
3128 count = total_size - p;
3130 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3134 src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3137 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3139 fb_memcpy_fromfb(dst, src, c);
3143 if (copy_to_user(buf, buffer, c)) {
3155 return (err) ? err : cnt;
3158 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
3159 size_t count, loff_t *ppos)
3161 unsigned long p = *ppos;
3164 int c, cnt = 0, err = 0;
3165 unsigned long total_size;
3166 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3167 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3168 struct rk_lcdc_win *win = NULL;
3171 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3175 win = dev_drv->win[win_id];
3177 /* write the current frame buffer */
3178 if (win->area[0].format == RGB565)
3179 total_size = win->area[0].xact * win->area[0].yact << 1;
3181 total_size = win->area[0].xact * win->area[0].yact << 2;
3186 if (count > total_size) {
3191 if (count + p > total_size) {
3195 count = total_size - p;
3198 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3202 dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3205 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3208 if (copy_from_user(src, buf, c)) {
3213 fb_memcpy_tofb(dst, src, c);
3224 return (cnt) ? cnt : err;
3227 static int rk_fb_set_par(struct fb_info *info)
3229 struct fb_var_screeninfo *var = &info->var;
3230 struct fb_fix_screeninfo *fix = &info->fix;
3231 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3232 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3233 struct rk_lcdc_win *win = NULL;
3234 struct rk_screen *screen = dev_drv->cur_screen;
3236 u16 xsize = 0, ysize = 0; /* winx display window height/width --->LCDC_WINx_DSP_INFO */
3237 u32 xoffset = var->xoffset; /* offset from virtual to visible */
3238 u32 yoffset = var->yoffset;
3239 u16 xpos = (var->nonstd >> 8) & 0xfff; /*visiable pos in panel */
3240 u16 ypos = (var->nonstd >> 20) & 0xfff;
3241 u32 xvir = var->xres_virtual;
3242 u8 data_format = var->nonstd & 0xff;
3246 u32 stride, uv_stride = 0;
3249 u16 uv_x_off, uv_y_off, uv_y_act;
3251 /*var->pixclock = dev_drv->pixclock;*/
3252 if (dev_drv->suspend_flag || is_car_camcap())
3254 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3258 win = dev_drv->win[win_id];
3260 /* if the application has specific the hor and ver display size */
3261 if (var->grayscale >> 8) {
3262 xsize = (var->grayscale >> 8) & 0xfff;
3263 ysize = (var->grayscale >> 20) & 0xfff;
3264 if (xsize > screen->mode.xres)
3265 xsize = screen->mode.xres;
3266 if (ysize > screen->mode.yres)
3267 ysize = screen->mode.yres;
3268 } else { /*ohterwise full screen display */
3269 xsize = screen->mode.xres;
3270 ysize = screen->mode.yres;
3273 win->colorspace = CSC_FORMAT(data_format);
3274 data_format &= ~CSC_MASK;
3275 fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
3276 if (IS_FBDC_FMT(fb_data_fmt)) {
3277 win->area[0].fbdc_en = 1;
3278 win->area[0].fbdc_cor_en = 1;
3280 win->area[0].fbdc_en = 0;
3281 win->area[0].fbdc_cor_en = 0;
3283 pixel_width = rk_fb_pixel_width(fb_data_fmt);
3284 vir_width_bit = pixel_width * xvir;
3285 /* pixel_width = byte_num * 8 */
3286 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3287 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3289 switch (fb_data_fmt) {
3293 stride = stride_32bit_1;
3294 uv_stride = stride_32bit_1;
3297 fix->line_length = stride;
3298 uv_y_act = win->area[0].yact >> 1;
3300 case YUV420: /* nv12 */
3301 case YUV420_NV21: /* nv21 */
3304 stride = stride_32bit_1;
3305 uv_stride = stride_32bit_1;
3307 uv_y_off = yoffset >> 1;
3308 fix->line_length = stride;
3309 uv_y_act = win->area[0].yact >> 1;
3314 stride = stride_32bit_1;
3315 uv_stride = stride_32bit_2;
3316 uv_x_off = xoffset * 2;
3318 fix->line_length = stride << 2;
3319 uv_y_act = win->area[0].yact;
3322 stride = stride_32bit_1; /* default rgb */
3323 fix->line_length = stride;
3327 win->area[0].format = fb_data_fmt;
3328 win->area[0].y_vir_stride = stride >> 2;
3329 win->area[0].uv_vir_stride = uv_stride >> 2;
3330 win->area[0].xpos = xpos;
3331 win->area[0].ypos = ypos;
3332 win->area[0].xsize = xsize;
3333 win->area[0].ysize = ysize;
3334 win->area[0].xact = var->xres; /* winx active window height,is a wint of vir */
3335 win->area[0].yact = var->yres;
3336 win->area[0].xvir = var->xres_virtual; /* virtual resolution stride --->LCDC_WINx_VIR */
3337 win->area[0].yvir = var->yres_virtual;
3338 win->area[0].xoff = xoffset;
3339 win->area[0].yoff = yoffset;
3342 win->last_state = 1;
3345 win->alpha_mode = 4; /* AB_SRC_OVER; */
3346 win->alpha_en = ((win->area[0].format == ARGB888) ||
3347 (win->area[0].format == FBDC_ARGB_888) ||
3348 (win->area[0].format == FBDC_ABGR_888) ||
3349 (win->area[0].format == ABGR888)) ? 1 : 0;
3350 win->g_alpha_val = 0;
3352 dev_drv->ops->set_par(dev_drv, win_id);
3357 static inline unsigned int chan_to_field(unsigned int chan,
3358 struct fb_bitfield *bf)
3361 chan >>= 16 - bf->length;
3362 return chan << bf->offset;
3365 static int fb_setcolreg(unsigned regno,
3366 unsigned red, unsigned green, unsigned blue,
3367 unsigned transp, struct fb_info *info)
3371 switch (info->fix.visual) {
3372 case FB_VISUAL_TRUECOLOR:
3373 /* true-colour, use pseudo-palette */
3375 u32 *pal = info->pseudo_palette;
3377 val = chan_to_field(red, &info->var.red);
3378 val |= chan_to_field(green, &info->var.green);
3379 val |= chan_to_field(blue, &info->var.blue);
3384 return -1; /* unknown type */
3390 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3392 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3393 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3394 struct ion_handle *handle = fb_par->ion_hdl;
3395 struct dma_buf *dma_buf = NULL;
3397 if (IS_ERR_OR_NULL(handle)) {
3398 dev_err(info->dev, "failed to get ion handle:%ld\n",
3402 dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3403 if (IS_ERR_OR_NULL(dma_buf)) {
3404 pr_info("get ion share dma buf failed\n");
3408 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3410 return dma_buf_mmap(dma_buf, vma, 0);
3413 static struct fb_ops fb_ops = {
3414 .owner = THIS_MODULE,
3415 .fb_open = rk_fb_open,
3416 .fb_release = rk_fb_close,
3417 .fb_check_var = rk_fb_check_var,
3418 .fb_set_par = rk_fb_set_par,
3419 .fb_blank = rk_fb_blank,
3420 .fb_ioctl = rk_fb_ioctl,
3421 .fb_compat_ioctl = rk_fb_ioctl,
3422 .fb_pan_display = rk_fb_pan_display,
3423 .fb_read = rk_fb_read,
3424 .fb_write = rk_fb_write,
3425 .fb_setcolreg = fb_setcolreg,
3426 .fb_fillrect = cfb_fillrect,
3427 .fb_copyarea = cfb_copyarea,
3428 .fb_imageblit = cfb_imageblit,
3431 static struct fb_var_screeninfo def_var = {
3432 #if defined(CONFIG_LOGO_LINUX_BMP)
3436 .transp = {0, 0, 0},
3437 .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3442 .transp = {0, 0, 0},
3443 .nonstd = HAL_PIXEL_FORMAT_RGB_565, /* (ypos<<20+xpos<<8+format) format */
3445 .grayscale = 0, /* (ysize<<20+xsize<<8) */
3446 .activate = FB_ACTIVATE_NOW,
3448 .vmode = FB_VMODE_NONINTERLACED,
3451 static struct fb_fix_screeninfo def_fix = {
3452 .type = FB_TYPE_PACKED_PIXELS,
3457 .accel = FB_ACCEL_NONE,
3458 .visual = FB_VISUAL_TRUECOLOR,
3462 static int rk_fb_wait_for_vsync_thread(void *data)
3464 struct rk_lcdc_driver *dev_drv = data;
3465 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3466 struct fb_info *fbi = rk_fb->fb[dev_drv->fb_index_base];
3468 while (!kthread_should_stop()) {
3469 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3470 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3471 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3472 (dev_drv->vsync_info.active > 0 || dev_drv->vsync_info.irq_stop));
3475 sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3481 static ssize_t rk_fb_vsync_show(struct device *dev,
3482 struct device_attribute *attr, char *buf)
3484 struct fb_info *fbi = dev_get_drvdata(dev);
3485 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3486 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3488 return scnprintf(buf, PAGE_SIZE, "%llu\n",
3489 ktime_to_ns(dev_drv->vsync_info.timestamp));
3492 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3495 * this two function is for other module that in the kernel which
3496 * need show image directly through fb
3497 * fb_id:we have 4 fb here,default we use fb0 for ui display
3499 struct fb_info *rk_get_fb(int fb_id)
3501 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3502 struct fb_info *fb = inf->fb[fb_id];
3505 EXPORT_SYMBOL(rk_get_fb);
3507 void rk_direct_fb_show(struct fb_info *fbi)
3510 rk_fb_pan_display(&fbi->var, fbi);
3512 EXPORT_SYMBOL(rk_direct_fb_show);
3514 int rk_fb_dpi_open(bool open)
3516 struct rk_lcdc_driver *dev_drv = NULL;
3518 dev_drv = rk_get_prmry_lcdc_drv();
3519 if (dev_drv->ops->dpi_open)
3520 dev_drv->ops->dpi_open(dev_drv, open);
3524 int rk_fb_dpi_win_sel(int win_id)
3526 struct rk_lcdc_driver *dev_drv = NULL;
3528 dev_drv = rk_get_prmry_lcdc_drv();
3529 if (dev_drv->ops->dpi_win_sel)
3530 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3534 int rk_fb_dpi_status(void)
3537 struct rk_lcdc_driver *dev_drv = NULL;
3539 dev_drv = rk_get_prmry_lcdc_drv();
3540 if (dev_drv->ops->dpi_status)
3541 ret = dev_drv->ops->dpi_status(dev_drv);
3547 * function: this function will be called by display device, enable/disable lcdc
3548 * @screen: screen timing to be set to lcdc
3549 * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3550 * @lcdc_id: the lcdc id the display device attached ,0 or 1
3552 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3554 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3555 struct fb_info *info = NULL;
3556 struct rk_fb_par *fb_par = NULL;
3557 struct rk_lcdc_driver *dev_drv = NULL;
3558 struct rk_lcdc_win *win;
3561 static bool load_screen;
3565 int ret, list_is_empty = 0;
3567 if (unlikely(!rk_fb) || unlikely(!screen))
3570 /* get lcdc driver */
3571 sprintf(name, "lcdc%d", lcdc_id);
3572 dev_drv = rk_get_lcdc_drv(name);
3574 if (dev_drv == NULL) {
3575 pr_err("%s driver not found!", name);
3578 if (screen->type == SCREEN_HDMI)
3579 pr_info("hdmi %s lcdc%d\n",
3580 enable ? "connect to" : "remove from",
3582 else if (screen->type == SCREEN_TVOUT ||
3583 screen->type == SCREEN_TVOUT_TEST)
3584 pr_info("cvbs %s lcdc%d\n",
3585 enable ? "connect to" : "remove from",
3587 if (enable == 2 /*&& dev_drv->enable*/)
3589 pr_info("switch:en=%d,lcdc_id=%d,screen type=%d,cur type=%d\n",
3590 enable, lcdc_id, screen->type, dev_drv->cur_screen->type);
3592 mutex_lock(&dev_drv->switch_screen);
3593 hdmi_switch_state = 0;
3594 dev_drv->hdmi_switch = 1;
3595 if (!dev_drv->uboot_logo) {
3597 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
3598 list_empty(&dev_drv->saved_list);
3599 if (!list_is_empty) {
3600 ret = wait_event_timeout(dev_drv->update_regs_wait,
3601 list_empty(&dev_drv->update_regs_list) &&
3602 list_empty(&dev_drv->saved_list),
3603 msecs_to_jiffies(60));
3605 pr_info("%s: wait update_regs_wait timeout\n",
3610 envp[0] = "switch vop screen";
3611 memset(envplcdc, 0, sizeof(envplcdc));
3612 memset(envpfbdev, 0, sizeof(envpfbdev));
3613 sprintf(envplcdc, "SCREEN=%d,ENABLE=%d,VOPID=%d", screen->type, enable, dev_drv->id);
3614 sprintf(envpfbdev, "FBDEV=%d", dev_drv->fb_index_base);
3616 envp[2] = envpfbdev;
3619 if ((rk_fb->disp_mode == ONE_DUAL) ||
3620 (rk_fb->disp_mode == NO_DUAL)) {
3621 if ((dev_drv->ops->backlight_close) &&
3622 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3623 dev_drv->ops->backlight_close(dev_drv, 1);
3624 if (!dev_drv->uboot_logo || load_screen ||
3625 (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3626 if (dev_drv->ops->dsp_black)
3627 dev_drv->ops->dsp_black(dev_drv, 0);
3629 if ((dev_drv->ops->set_screen_scaler) &&
3630 (rk_fb->disp_mode == ONE_DUAL))
3631 dev_drv->ops->set_screen_scaler(dev_drv,
3632 dev_drv->screen0, 0);
3635 /* if screen type is different, we do not disable lcdc. */
3636 if (dev_drv->cur_screen->type != screen->type) {
3637 dev_drv->hdmi_switch = 0;
3638 mutex_unlock(&dev_drv->switch_screen);
3642 /* if used one lcdc to dual disp, no need to close win */
3643 if ((rk_fb->disp_mode == ONE_DUAL) ||
3644 ((rk_fb->disp_mode == NO_DUAL) &&
3645 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))) {
3646 dev_drv->cur_screen = dev_drv->screen0;
3647 dev_drv->ops->load_screen(dev_drv, 1);
3648 /* force modify dsp size */
3649 info = rk_fb->fb[dev_drv->fb_index_base];
3650 info->var.grayscale &= 0xff;
3651 info->var.grayscale |=
3652 (dev_drv->cur_screen->mode.xres << 8) +
3653 (dev_drv->cur_screen->mode.yres << 20);
3654 mutex_lock(&dev_drv->win_config);
3655 info->var.xoffset = 0;
3656 info->var.yoffset = 0;
3657 info->fbops->fb_set_par(info);
3658 info->fbops->fb_pan_display(&info->var, info);
3659 mutex_unlock(&dev_drv->win_config);
3662 * if currently is loader display, black until new
3665 if (dev_drv->uboot_logo) {
3666 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3667 if (dev_drv->win[i] && dev_drv->win[i]->state &&
3668 dev_drv->ops->win_direct_en)
3669 dev_drv->ops->win_direct_en(dev_drv, i, 0);
3673 /*if (dev_drv->ops->dsp_black)
3674 * dev_drv->ops->dsp_black(dev_drv, 0);
3676 if ((dev_drv->ops->backlight_close) &&
3677 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3678 dev_drv->ops->backlight_close(dev_drv, 0);
3679 } else if (rk_fb->num_lcdc > 1) {
3680 /* If there is more than one lcdc device, we disable
3681 * the layer which attached to this device
3683 flush_kthread_worker(&dev_drv->update_regs_worker);
3684 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3685 if (dev_drv->win[i] && dev_drv->win[i]->state)
3686 dev_drv->ops->open(dev_drv, i, 0);
3689 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3691 hdmi_switch_state = 0;
3692 dev_drv->hdmi_switch = 0;
3693 mutex_unlock(&dev_drv->switch_screen);
3696 if (load_screen || (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3697 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3698 if (dev_drv->win[i] && dev_drv->win[i]->state &&
3699 dev_drv->ops->win_direct_en)
3700 dev_drv->ops->win_direct_en(dev_drv, i, 0);
3703 if (dev_drv->uboot_logo) {
3704 if (dev_drv->cur_screen->mode.xres !=
3705 screen->mode.xres ||
3706 dev_drv->cur_screen->mode.yres !=
3710 if (dev_drv->screen1)
3711 dev_drv->cur_screen = dev_drv->screen1;
3713 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3714 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3715 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3716 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3717 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3720 if (!dev_drv->uboot_logo || load_screen ||
3721 (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3722 info = rk_fb->fb[dev_drv->fb_index_base];
3723 fb_par = (struct rk_fb_par *)info->par;
3725 win = dev_drv->win[win_id];
3726 if (win && fb_par->state) {
3727 dev_drv->ops->load_screen(dev_drv, 1);
3728 info->var.activate |= FB_ACTIVATE_FORCE;
3729 if (rk_fb->disp_mode == ONE_DUAL) {
3730 info->var.grayscale &= 0xff;
3731 info->var.grayscale |=
3732 (dev_drv->cur_screen->xsize << 8) +
3733 (dev_drv->cur_screen->ysize << 20);
3735 if (dev_drv->uboot_logo && win->state) {
3736 if (win->area[0].xpos ||
3737 win->area[0].ypos) {
3739 (screen->mode.xres -
3740 win->area[0].xsize) / 2;
3742 (screen->mode.yres -
3743 win->area[0].ysize) / 2;
3745 win->area[0].xsize = screen->mode.xres;
3746 win->area[0].ysize = screen->mode.yres;
3748 dev_drv->ops->set_par(dev_drv, i);
3749 dev_drv->ops->cfg_done(dev_drv);
3750 } else if (!dev_drv->win[win_id]->state) {
3751 dev_drv->ops->open(dev_drv, win_id, 1);
3752 info->fbops->fb_pan_display(&info->var, info);
3756 dev_drv->ops->load_screen(dev_drv, 0);
3758 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3760 hdmi_switch_state = 1;
3762 dev_drv->hdmi_switch = 0;
3763 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3764 if ((dev_drv->ops->set_screen_scaler) &&
3765 (rk_fb->disp_mode == ONE_DUAL))
3766 dev_drv->ops->set_screen_scaler(dev_drv,
3767 dev_drv->screen0, 1);
3768 /*if (dev_drv->ops->dsp_black)
3769 * dev_drv->ops->dsp_black(dev_drv, 0);*/
3770 if ((dev_drv->ops->backlight_close) &&
3771 (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3772 (rk_fb->disp_mode == ONE_DUAL))
3773 dev_drv->ops->backlight_close(dev_drv, 0);
3775 mutex_unlock(&dev_drv->switch_screen);
3780 * function:this function current only called by hdmi for
3782 * scale_x: scale rate of x resolution
3783 * scale_y: scale rate of y resolution
3784 * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3786 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3788 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3789 struct fb_info *info = NULL;
3790 struct fb_info *pmy_info = NULL;
3791 struct fb_var_screeninfo *var = NULL;
3792 struct rk_lcdc_driver *dev_drv = NULL;
3793 u16 screen_x, screen_y;
3796 struct rk_screen primary_screen;
3798 rk_fb_get_prmry_screen(&primary_screen);
3799 if (primary_screen.type == SCREEN_HDMI)
3802 pr_err("should not be here--%s\n", __func__);
3805 sprintf(name, "lcdc%d", lcdc_id);
3807 if (inf->disp_mode == DUAL) {
3808 dev_drv = rk_get_lcdc_drv(name);
3810 pr_err("%s driver not found!", name);
3814 dev_drv = inf->lcdc_dev_drv[0];
3817 if (inf->num_lcdc == 1) {
3819 } else if (inf->num_lcdc == 2) {
3820 info = inf->fb[dev_drv->lcdc_win_num];
3821 pmy_info = inf->fb[0];
3825 screen_x = dev_drv->cur_screen->mode.xres;
3826 screen_y = dev_drv->cur_screen->mode.yres;
3828 if (inf->disp_mode != DUAL && dev_drv->screen1) {
3829 dev_drv->cur_screen->xpos =
3830 (screen_x - screen_x * scale_x / 100) >> 1;
3831 dev_drv->cur_screen->ypos =
3832 (screen_y - screen_y * scale_y / 100) >> 1;
3833 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3834 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3836 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3837 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3838 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3839 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3840 if (inf->disp_mode == ONE_DUAL) {
3841 var->nonstd &= 0xff;
3842 var->nonstd |= (xpos << 8) + (ypos << 20);
3843 var->grayscale &= 0xff;
3845 (dev_drv->cur_screen->xsize << 8) +
3846 (dev_drv->cur_screen->ysize << 20);
3850 mutex_lock(&dev_drv->win_config);
3851 info->fbops->fb_set_par(info);
3852 dev_drv->ops->cfg_done(dev_drv);
3853 mutex_unlock(&dev_drv->win_config);
3858 #if defined(CONFIG_ION_ROCKCHIP)
3859 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3860 struct rk_lcdc_win *win,
3861 unsigned long fb_mem_size)
3863 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3864 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3865 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3866 struct ion_handle *handle;
3867 ion_phys_addr_t phy_addr;
3871 if (dev_drv->iommu_enabled)
3872 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3873 ION_HEAP_SYSTEM_MASK, 0);
3875 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3876 ION_HEAP_TYPE_DMA_MASK, 0);
3878 if (IS_ERR(handle)) {
3879 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3884 fb_par->ion_hdl = handle;
3885 win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3886 if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3887 pr_info("ion_share_dma_buf() failed\n");
3888 goto err_share_dma_buf;
3890 win->area[0].ion_hdl = handle;
3891 if (dev_drv->prop == PRMRY)
3892 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3893 if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3894 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3895 (unsigned long *)&phy_addr,
3896 (unsigned long *)&len);
3898 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3900 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3901 goto err_share_dma_buf;
3903 fbi->fix.smem_start = phy_addr;
3904 fbi->fix.smem_len = len;
3905 pr_info("alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3909 ion_free(rk_fb->ion_client, handle);
3914 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3916 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3917 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3918 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3919 struct rk_lcdc_win *win = NULL;
3922 unsigned long fb_mem_size;
3923 #if !defined(CONFIG_ION_ROCKCHIP)
3924 dma_addr_t fb_mem_phys;
3927 ion_phys_addr_t phy_addr;
3930 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3934 win = dev_drv->win[win_id];
3936 if (!strcmp(fbi->fix.id, "fb0")) {
3937 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3938 #if defined(CONFIG_ION_ROCKCHIP)
3939 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3942 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3943 &fb_mem_phys, GFP_KERNEL);
3945 pr_err("%s: Failed to allocate framebuffer\n",
3949 fbi->fix.smem_len = fb_mem_size;
3950 fbi->fix.smem_start = fb_mem_phys;
3951 fbi->screen_base = fb_mem_virt;
3953 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3955 if (dev_drv->prop == EXTEND && dev_drv->iommu_enabled) {
3956 struct rk_lcdc_driver *dev_drv_prmry;
3959 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3960 #if defined(CONFIG_ION_ROCKCHIP)
3961 dev_drv_prmry = rk_get_prmry_lcdc_drv();
3962 if (dev_drv_prmry == NULL)
3965 dev_drv_prmry->ops->fb_get_win_id(dev_drv_prmry,
3967 if (win_id_prmry < 0)
3971 dev_drv_prmry->win[win_id_prmry]->area[0].ion_hdl;
3973 ion_map_kernel(rk_fb->ion_client,
3975 dev_drv->win[win_id]->area[0].ion_hdl =
3977 if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3978 ret = ion_map_iommu(dev_drv->dev,
3981 (unsigned long *)&phy_addr,
3982 (unsigned long *)&len);
3984 ret = ion_phys(rk_fb->ion_client,
3988 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3991 fbi->fix.smem_start = phy_addr;
3992 fbi->fix.smem_len = len;
3994 fb_mem_virt = dma_alloc_writecombine(fbi->dev,
3999 pr_err("%s: Failed to allocate framebuffer\n",
4003 fbi->fix.smem_len = fb_mem_size;
4004 fbi->fix.smem_start = fb_mem_phys;
4005 fbi->screen_base = fb_mem_virt;
4008 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
4009 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
4010 fbi->screen_base = rk_fb->fb[0]->screen_base;
4014 fbi->screen_size = fbi->fix.smem_len;
4015 fb_par->fb_phy_base = fbi->fix.smem_start;
4016 fb_par->fb_virt_base = fbi->screen_base;
4017 fb_par->fb_size = fbi->fix.smem_len;
4019 pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
4020 fbi->fix.smem_start, fbi->screen_base,
4026 static int rk_release_fb_buffer(struct fb_info *fbi)
4028 /* buffer for fb1 and fb3 are alloc by android */
4029 if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
4031 iounmap(fbi->screen_base);
4032 release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
4037 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
4038 struct rk_lcdc_win *def_win)
4041 int lcdc_win_num = dev_drv->lcdc_win_num;
4043 for (i = 0; i < lcdc_win_num; i++) {
4044 struct rk_lcdc_win *win = NULL;
4046 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
4048 dev_err(dev_drv->dev, "kzmalloc for win fail!");
4052 strcpy(win->name, def_win[i].name);
4053 win->id = def_win[i].id;
4054 win->support_3d = def_win[i].support_3d;
4055 win->property.feature = def_win[i].property.feature;
4056 win->property.max_input_x = def_win[i].property.max_input_x;
4057 win->property.max_input_y = def_win[i].property.max_input_y;
4058 dev_drv->win[i] = win;
4064 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
4065 struct rk_lcdc_win *def_win, int index)
4067 struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
4068 struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
4069 sizeof(struct rk_screen),
4074 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
4079 screen->screen_id = 0;
4080 screen->lcdc_id = dev_drv->id;
4081 screen->overscan.left = 100;
4082 screen->overscan.top = 100;
4083 screen->overscan.right = 100;
4084 screen->overscan.bottom = 100;
4086 screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
4087 screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
4089 dev_drv->screen0 = screen;
4090 dev_drv->cur_screen = screen;
4091 /* devie use one lcdc + rk61x scaler for dual display */
4092 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
4093 struct rk_screen *screen1 =
4094 devm_kzalloc(dev_drv->dev,
4095 sizeof(struct rk_screen),
4098 dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
4102 screen1->screen_id = 1;
4103 screen1->lcdc_id = 1;
4104 dev_drv->screen1 = screen1;
4106 sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
4107 init_lcdc_win(dev_drv, def_win);
4108 init_completion(&dev_drv->frame_done);
4109 spin_lock_init(&dev_drv->cpl_lock);
4110 mutex_init(&dev_drv->fb_win_id_mutex);
4111 mutex_init(&dev_drv->win_config);
4112 mutex_init(&dev_drv->front_lock);
4113 mutex_init(&dev_drv->switch_screen);
4114 dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
4115 dev_drv->first_frame = 1;
4116 dev_drv->overscan.left = 100;
4117 dev_drv->overscan.top = 100;
4118 dev_drv->overscan.right = 100;
4119 dev_drv->overscan.bottom = 100;
4120 for (i = 0; i < RK30_MAX_LAYER_SUPPORT; i++)
4121 dev_drv->area_support[i] = 1;
4122 if (dev_drv->ops->area_support_num)
4123 dev_drv->ops->area_support_num(dev_drv, dev_drv->area_support);
4124 rk_disp_pwr_ctr_parse_dt(dev_drv);
4125 if (dev_drv->prop == PRMRY) {
4126 rk_fb_set_prmry_screen(screen);
4127 rk_fb_get_prmry_screen(screen);
4129 dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
4130 if (dev_drv->prop != PRMRY)
4131 rk_fb_get_extern_screen(screen);
4132 dev_drv->output_color = screen->color_mode;
4137 #ifdef CONFIG_LOGO_LINUX_BMP
4138 static struct linux_logo *bmp_logo;
4139 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
4141 bmp_logo = fb_find_logo(24);
4142 if (bmp_logo == NULL) {
4143 pr_info("%s error\n", __func__);
4149 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
4151 unsigned char *src = bmp_logo->data;
4152 unsigned char *dst = info->screen_base;
4154 unsigned int needwidth = (*(src - 24) << 8) | (*(src - 23));
4155 unsigned int needheight = (*(src - 22) << 8) | (*(src - 21));
4157 for (i = 0; i < needheight; i++)
4158 memcpy(dst + info->var.xres * i * 4,
4159 src + bmp_logo->width * i * 4, needwidth * 4);
4164 * check if the primary lcdc has registered,
4165 * the primary lcdc mas register first
4167 bool is_prmry_rk_lcdc_registered(void)
4169 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4171 if (rk_fb->lcdc_dev_drv[0])
4177 phys_addr_t uboot_logo_base;
4178 phys_addr_t uboot_logo_size;
4179 phys_addr_t uboot_logo_offset;
4181 static int __init rockchip_uboot_mem_late_init(void)
4185 if (uboot_logo_size) {
4186 void *start = phys_to_virt(uboot_logo_base);
4187 void *end = phys_to_virt(uboot_logo_base + uboot_logo_size);
4189 err = memblock_free(uboot_logo_base, uboot_logo_size);
4191 pr_err("%s: freeing memblock failed: %d\n",
4193 free_reserved_area(start, end, -1, "logo");
4198 late_initcall(rockchip_uboot_mem_late_init);
4200 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
4201 struct rk_lcdc_win *win, int id)
4203 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4204 struct fb_info *fbi;
4205 struct rk_fb_par *fb_par = NULL;
4206 int i = 0, ret = 0, index = 0;
4207 unsigned long flags;
4208 char time_line_name[16];
4210 if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
4213 for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
4214 if (!rk_fb->lcdc_dev_drv[i]) {
4215 rk_fb->lcdc_dev_drv[i] = dev_drv;
4216 rk_fb->lcdc_dev_drv[i]->id = id;
4223 init_lcdc_device_driver(rk_fb, win, index);
4224 dev_drv->fb_index_base = rk_fb->num_fb;
4225 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
4226 fbi = framebuffer_alloc(0, &fb_pdev->dev);
4228 dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
4231 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
4234 dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
4238 fb_par->id = rk_fb->num_fb;
4239 fb_par->lcdc_drv = dev_drv;
4240 fbi->par = (void *)fb_par;
4243 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
4244 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
4245 fbi->var.width = dev_drv->cur_screen->width;
4246 fbi->var.height = dev_drv->cur_screen->height;
4247 fbi->var.grayscale |=
4248 (fbi->var.xres << 8) + (fbi->var.yres << 20);
4249 #if defined(CONFIG_LOGO_LINUX_BMP)
4250 fbi->var.bits_per_pixel = 32;
4252 fbi->var.bits_per_pixel = 16;
4254 fbi->fix.line_length =
4255 (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
4256 fbi->var.width = dev_drv->cur_screen->width;
4257 fbi->var.height = dev_drv->cur_screen->height;
4258 if (dev_drv->iommu_enabled)
4259 fb_ops.fb_mmap = rk_fb_mmap;
4260 fbi->fbops = &fb_ops;
4261 fbi->flags = FBINFO_FLAG_DEFAULT;
4262 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
4263 ret = register_framebuffer(fbi);
4265 dev_err(&fb_pdev->dev,
4266 "%s fb%d register_framebuffer fail!\n",
4267 __func__, rk_fb->num_fb);
4270 rkfb_create_sysfs(fbi);
4271 rk_fb->fb[rk_fb->num_fb] = fbi;
4272 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
4277 init_waitqueue_head(&dev_drv->vsync_info.wait);
4278 init_waitqueue_head(&dev_drv->update_regs_wait);
4279 ret = device_create_file(fbi->dev, &dev_attr_vsync);
4282 "failed to create vsync file\n");
4283 dev_drv->vsync_info.thread =
4284 kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
4286 if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
4288 "failed to run vsync thread\n");
4289 dev_drv->vsync_info.thread = NULL;
4291 dev_drv->vsync_info.active = 1;
4293 mutex_init(&dev_drv->output_lock);
4295 INIT_LIST_HEAD(&dev_drv->update_regs_list);
4296 INIT_LIST_HEAD(&dev_drv->saved_list);
4297 mutex_init(&dev_drv->update_regs_list_lock);
4298 init_kthread_worker(&dev_drv->update_regs_worker);
4300 dev_drv->update_regs_thread =
4301 kthread_run(kthread_worker_fn,
4302 &dev_drv->update_regs_worker, "rk-fb");
4303 if (IS_ERR(dev_drv->update_regs_thread)) {
4304 int err = PTR_ERR(dev_drv->update_regs_thread);
4306 dev_drv->update_regs_thread = NULL;
4307 pr_info("failed to run update_regs thread\n");
4310 init_kthread_work(&dev_drv->update_regs_work,
4311 rk_fb_update_regs_handler);
4313 snprintf(time_line_name, sizeof(time_line_name),
4314 "vop%d-timeline", id);
4316 sw_sync_timeline_create(time_line_name);
4317 dev_drv->timeline_max = 1;
4321 /* show logo for primary display device */
4322 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
4323 if (dev_drv->prop == PRMRY) {
4327 struct fb_info *main_fbi = rk_fb->fb[0];
4329 main_fbi->fbops->fb_open(main_fbi, 1);
4330 main_fbi->var.pixclock = dev_drv->pixclock;
4331 if (dev_drv->iommu_enabled) {
4332 if (dev_drv->mmu_dev)
4333 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4334 rk_fb_sysmmu_fault_handler);
4337 rk_fb_alloc_buffer(main_fbi); /* only alloc memory for main fb */
4338 dev_drv->uboot_logo = support_uboot_display();
4340 if (dev_drv->uboot_logo &&
4341 uboot_logo_offset && uboot_logo_base) {
4342 int width, height, bits, xvir;
4343 phys_addr_t start = uboot_logo_base + uboot_logo_offset;
4344 unsigned int size = uboot_logo_size - uboot_logo_offset;
4345 unsigned int nr_pages;
4347 struct page **pages;
4351 if (dev_drv->ops->get_dspbuf_info)
4352 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4353 &yact, &format, &dsp_addr, &ymirror);
4354 nr_pages = size >> PAGE_SHIFT;
4355 pages = kzalloc(sizeof(struct page) * nr_pages,
4357 while (i < nr_pages) {
4358 pages[i] = phys_to_page(start);
4362 vaddr = vmap(pages, nr_pages, VM_MAP, PAGE_KERNEL);
4364 pr_err("failed to vmap phy addr 0x%lx\n",
4365 (long)(uboot_logo_base +
4366 uboot_logo_offset));
4370 if (bmpdecoder(vaddr, main_fbi->screen_base, &width,
4378 if (dev_drv->uboot_logo &&
4379 (width != xact || height != yact)) {
4380 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
4381 xact, yact, width, height);
4384 xvir = ALIGN(width * bits, 1 << 5) >> 5;
4386 local_irq_save(flags);
4387 if (dev_drv->ops->wait_frame_start)
4388 dev_drv->ops->wait_frame_start(dev_drv, 0);
4389 if (dev_drv->ops->post_dspbuf) {
4390 dev_drv->ops->post_dspbuf(dev_drv,
4391 main_fbi->fix.smem_start,
4392 rk_fb_data_fmt(0, bits),
4393 width, height, xvir,
4396 if (dev_drv->iommu_enabled) {
4397 rk_fb_poll_wait_frame_complete();
4398 if (dev_drv->ops->mmu_en)
4399 dev_drv->ops->mmu_en(dev_drv);
4402 local_irq_restore(flags);
4404 } else if (dev_drv->uboot_logo && uboot_logo_base) {
4405 u32 start = uboot_logo_base;
4406 int logo_len, i = 0;
4408 unsigned int nr_pages;
4409 struct page **pages;
4411 int align = 0, xvir;
4413 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4417 logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
4418 if (logo_len > uboot_logo_size ||
4419 logo_len > main_fbi->fix.smem_len) {
4420 pr_err("logo size > uboot reserve buffer size\n");
4426 align = start % PAGE_SIZE;
4428 nr_pages = PAGE_ALIGN(logo_len + align) >> PAGE_SHIFT;
4429 pages = kzalloc(sizeof(struct page) * nr_pages,
4431 while (i < nr_pages) {
4432 pages[i] = phys_to_page(start);
4436 vaddr = vmap(pages, nr_pages, VM_MAP, PAGE_KERNEL);
4438 pr_err("failed to vmap phy addr 0x%x\n",
4443 memcpy(main_fbi->screen_base, vaddr + align, logo_len);
4447 xvir = ALIGN(xact * rk_fb_pixel_width(format),
4449 local_irq_save(flags);
4450 if (dev_drv->ops->wait_frame_start)
4451 dev_drv->ops->wait_frame_start(dev_drv, 0);
4452 dev_drv->ops->post_dspbuf(dev_drv,
4453 main_fbi->fix.smem_start +
4454 (y_mirror ? logo_len : 0),
4458 if (dev_drv->iommu_enabled) {
4459 rk_fb_poll_wait_frame_complete();
4460 if (dev_drv->ops->mmu_en)
4461 dev_drv->ops->mmu_en(dev_drv);
4464 local_irq_restore(flags);
4467 if (dev_drv->iommu_enabled) {
4468 if (dev_drv->ops->mmu_en)
4469 dev_drv->ops->mmu_en(dev_drv);
4473 #if defined(CONFIG_LOGO)
4474 main_fbi->fbops->fb_set_par(main_fbi);
4475 #if defined(CONFIG_LOGO_LINUX_BMP)
4476 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
4477 fb_set_cmap(&main_fbi->cmap, main_fbi);
4478 fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
4481 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
4482 fb_set_cmap(&main_fbi->cmap, main_fbi);
4483 fb_show_logo(main_fbi, FB_ROTATE_UR);
4486 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
4489 struct fb_info *extend_fbi = rk_fb->fb[dev_drv->fb_index_base];
4491 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
4492 if (rk_fb->disp_mode == DUAL_LCD) {
4493 extend_fbi->fbops->fb_open(extend_fbi, 1);
4494 if (dev_drv->iommu_enabled) {
4495 if (dev_drv->mmu_dev)
4496 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4497 rk_fb_sysmmu_fault_handler);
4499 rk_fb_alloc_buffer(extend_fbi);
4506 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
4508 struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
4509 struct fb_info *fbi;
4510 int fb_index_base = dev_drv->fb_index_base;
4511 int fb_num = dev_drv->lcdc_win_num;
4514 if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4515 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4516 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4519 for (i = 0; i < fb_num; i++)
4520 kfree(dev_drv->win[i]);
4522 for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4523 fbi = fb_inf->fb[i];
4524 unregister_framebuffer(fbi);
4525 /* rk_release_fb_buffer(fbi); */
4526 framebuffer_release(fbi);
4528 fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4534 int rk_fb_set_car_reverse_status(struct rk_lcdc_driver *dev_drv,
4537 char *envp[3] = {"Request", "FORCE UPDATE", NULL};
4541 flush_kthread_worker(&dev_drv->update_regs_worker);
4542 dev_drv->timeline_max++;
4544 sw_sync_timeline_inc(dev_drv->timeline, 1);
4546 pr_debug("%s: camcap reverse start...\n", __func__);
4549 kobject_uevent_env(&dev_drv->dev->kobj,
4551 pr_debug("%s: camcap reverse finish...\n", __func__);
4557 static int rk_fb_probe(struct platform_device *pdev)
4559 struct rk_fb *rk_fb = NULL;
4560 struct device_node *np = pdev->dev.of_node;
4562 struct device_node *node;
4565 dev_err(&pdev->dev, "Missing device tree node.\n");
4569 rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4571 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4574 platform_set_drvdata(pdev, rk_fb);
4576 if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4577 rk_fb->disp_mode = mode;
4580 dev_err(&pdev->dev, "no disp-mode node found!");
4584 if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
4585 rk_fb->disp_policy = mode;
4586 pr_info("fb disp policy is %s\n",
4587 rk_fb->disp_policy ? "box" : "sdk");
4590 if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4591 pr_info("uboot-logo-on:%d\n", uboot_logo_on);
4593 dev_set_name(&pdev->dev, "rockchip-fb");
4594 #if defined(CONFIG_ION_ROCKCHIP)
4595 rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4596 if (IS_ERR(rk_fb->ion_client)) {
4597 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4598 return PTR_ERR(rk_fb->ion_client);
4600 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4604 node = of_parse_phandle(np, "memory-region", 0);
4608 ret = of_address_to_resource(node, 0, &r);
4612 if (uboot_logo_on) {
4613 uboot_logo_base = r.start;
4614 uboot_logo_size = resource_size(&r);
4616 if (uboot_logo_size > SZ_16M)
4617 uboot_logo_offset = SZ_16M;
4619 uboot_logo_offset = 0;
4621 pr_info("logo: base=0x%llx, size=0x%llx, offset=0x%llx\n",
4622 uboot_logo_base, uboot_logo_size, uboot_logo_offset);
4626 dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4630 static int rk_fb_remove(struct platform_device *pdev)
4632 platform_set_drvdata(pdev, NULL);
4636 static void rk_fb_shutdown(struct platform_device *pdev)
4638 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4641 for (i = 0; i < rk_fb->num_lcdc; i++) {
4642 if (!rk_fb->lcdc_dev_drv[i])
4644 sw_sync_timeline_inc(rk_fb->lcdc_dev_drv[i]->timeline, 1);
4648 static const struct of_device_id rkfb_dt_ids[] = {
4649 {.compatible = "rockchip,rk-fb",},
4653 static struct platform_driver rk_fb_driver = {
4654 .probe = rk_fb_probe,
4655 .remove = rk_fb_remove,
4658 .owner = THIS_MODULE,
4659 .of_match_table = of_match_ptr(rkfb_dt_ids),
4661 .shutdown = rk_fb_shutdown,
4664 static int __init rk_fb_init(void)
4666 return platform_driver_register(&rk_fb_driver);
4669 static void __exit rk_fb_exit(void)
4671 platform_driver_unregister(&rk_fb_driver);
4674 fs_initcall(rk_fb_init);
4675 module_exit(rk_fb_exit);