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->refresh_mode = dt->refresh_mode;
504 screen->lvds_format = dt->lvds_format;
505 screen->face = dt->face;
506 screen->color_mode = dt->color_mode;
507 screen->width = dt->screen_widt;
508 screen->height = dt->screen_hight;
509 screen->dsp_lut = dt->dsp_lut;
510 screen->cabc_lut = dt->cabc_lut;
511 screen->cabc_gamma_base = dt->cabc_gamma_base;
513 if (dt->flags & DISPLAY_FLAGS_INTERLACED)
514 screen->mode.vmode |= FB_VMODE_INTERLACED;
515 if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
516 screen->pin_dclk = 1;
518 screen->pin_dclk = 0;
519 if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
520 screen->pin_hsync = 1;
522 screen->pin_hsync = 0;
523 if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
524 screen->pin_vsync = 1;
526 screen->pin_vsync = 0;
527 if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
535 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
537 struct display_timings *disp_timing;
538 struct display_timing *dt;
540 disp_timing = of_get_display_timings(np);
542 pr_err("parse display timing err\n");
545 dt = display_timings_get(disp_timing, disp_timing->native_mode);
546 rk_fb_video_mode_from_timing(dt, screen);
551 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
554 unsigned long long hz;
557 pr_err("%s:null screen!\n", __func__);
560 x = screen->mode.xres + screen->mode.left_margin +
561 screen->mode.right_margin + screen->mode.hsync_len;
562 y = screen->mode.yres + screen->mode.upper_margin +
563 screen->mode.lower_margin + screen->mode.vsync_len;
565 hz = 1000000000000ULL; /* 1e12 picoseconds per second */
568 do_div(hz, x * y); /* divide by x * y with rounding */
571 do_div(hz, pixclock); /* divide by pixclock with rounding */
576 char *get_format_string(enum data_format format, char *fmt)
582 strcpy(fmt, "ARGB888");
585 strcpy(fmt, "RGB888");
588 strcpy(fmt, "BGR888");
591 strcpy(fmt, "RGB565");
594 strcpy(fmt, "BGR565");
598 strcpy(fmt, "YUV420");
601 strcpy(fmt, "YUV422");
604 strcpy(fmt, "YUV444");
607 strcpy(fmt, "YUV420_A");
610 strcpy(fmt, "YUV422_A");
613 strcpy(fmt, "YUV444_A");
616 strcpy(fmt, "XRGB888");
619 strcpy(fmt, "XBGR888");
622 strcpy(fmt, "ABGR888");
625 strcpy(fmt, "FBDC_RGB_565");
629 strcpy(fmt, "FBDC_ARGB_888");
632 strcpy(fmt, "FBDC_RGBX_888");
635 strcpy(fmt, "YUYV422");
638 strcpy(fmt, "YUYV420");
641 strcpy(fmt, "UYVY422");
644 strcpy(fmt, "UYVY420");
647 strcpy(fmt, "invalid");
654 int rk_fb_set_vop_pwm(void)
657 struct rk_fb *inf = NULL;
658 struct rk_lcdc_driver *dev_drv = NULL;
661 inf = platform_get_drvdata(fb_pdev);
665 for (i = 0; i < inf->num_lcdc; i++) {
666 if (inf->lcdc_dev_drv[i]->cabc_mode == 1) {
667 dev_drv = inf->lcdc_dev_drv[i];
675 mutex_lock(&dev_drv->win_config);
676 if (dev_drv->ops->extern_func)
677 dev_drv->ops->extern_func(dev_drv, UPDATE_CABC_PWM);
678 mutex_unlock(&dev_drv->win_config);
685 * name: lcdc device name ,lcdc0 , lcdc1
687 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
689 struct rk_fb *inf = NULL;
690 struct rk_lcdc_driver *dev_drv = NULL;
694 inf = platform_get_drvdata(fb_pdev);
698 for (i = 0; i < inf->num_lcdc; i++) {
699 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
700 dev_drv = inf->lcdc_dev_drv[i];
708 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
710 struct rk_fb *inf = NULL;
711 struct rk_lcdc_driver *dev_drv = NULL;
715 inf = platform_get_drvdata(fb_pdev);
719 for (i = 0; i < inf->num_lcdc; i++) {
720 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
721 dev_drv = inf->lcdc_dev_drv[i];
729 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
731 struct rk_fb *inf = NULL;
732 struct rk_lcdc_driver *dev_drv = NULL;
736 inf = platform_get_drvdata(fb_pdev);
740 for (i = 0; i < inf->num_lcdc; i++) {
741 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
742 dev_drv = inf->lcdc_dev_drv[i];
751 * get one frame time of the prmry screen, unit: us
753 u32 rk_fb_get_prmry_screen_ft(void)
755 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
756 u32 htotal, vtotal, pixclock_ps;
757 u64 pix_total, ft_us;
759 if (unlikely(!dev_drv))
762 pixclock_ps = dev_drv->pixclock;
764 vtotal = dev_drv->cur_screen->mode.upper_margin +
765 dev_drv->cur_screen->mode.lower_margin +
766 dev_drv->cur_screen->mode.yres +
767 dev_drv->cur_screen->mode.vsync_len;
768 htotal = dev_drv->cur_screen->mode.left_margin +
769 dev_drv->cur_screen->mode.right_margin +
770 dev_drv->cur_screen->mode.xres +
771 dev_drv->cur_screen->mode.hsync_len;
772 pix_total = htotal * vtotal;
773 ft_us = pix_total * pixclock_ps;
774 do_div(ft_us, 1000000);
775 if (dev_drv->frame_time.ft == 0)
776 dev_drv->frame_time.ft = ft_us;
778 ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
780 ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
782 dev_drv->frame_time.ft = ft_us;
784 return dev_drv->frame_time.ft;
788 * get the vblanking time of the prmry screen, unit: us
790 u32 rk_fb_get_prmry_screen_vbt(void)
792 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
793 u32 htotal, vblank, pixclock_ps;
794 u64 pix_blank, vbt_us;
796 if (unlikely(!dev_drv))
799 pixclock_ps = dev_drv->pixclock;
801 htotal = (dev_drv->cur_screen->mode.left_margin +
802 dev_drv->cur_screen->mode.right_margin +
803 dev_drv->cur_screen->mode.xres +
804 dev_drv->cur_screen->mode.hsync_len);
805 vblank = (dev_drv->cur_screen->mode.upper_margin +
806 dev_drv->cur_screen->mode.lower_margin +
807 dev_drv->cur_screen->mode.vsync_len);
808 pix_blank = htotal * vblank;
809 vbt_us = pix_blank * pixclock_ps;
810 do_div(vbt_us, 1000000);
815 * get the frame done time of the prmry screen, unit: us
817 u64 rk_fb_get_prmry_screen_framedone_t(void)
819 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
821 if (unlikely(!dev_drv))
824 return dev_drv->frame_time.framedone_t;
828 * set prmry screen status
830 int rk_fb_set_prmry_screen_status(int status)
832 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
833 struct rk_screen *screen;
835 if (unlikely(!dev_drv))
838 screen = dev_drv->cur_screen;
840 case SCREEN_PREPARE_DDR_CHANGE:
841 if (screen->type == SCREEN_MIPI ||
842 screen->type == SCREEN_DUAL_MIPI) {
843 if (dev_drv->trsm_ops->dsp_pwr_off)
844 dev_drv->trsm_ops->dsp_pwr_off();
847 case SCREEN_UNPREPARE_DDR_CHANGE:
848 if (screen->type == SCREEN_MIPI ||
849 screen->type == SCREEN_DUAL_MIPI) {
850 if (dev_drv->trsm_ops->dsp_pwr_on)
851 dev_drv->trsm_ops->dsp_pwr_on();
861 u32 rk_fb_get_prmry_screen_pixclock(void)
863 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
865 if (unlikely(!dev_drv))
868 return dev_drv->pixclock;
871 int rk_fb_poll_prmry_screen_vblank(void)
873 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
875 if (likely(dev_drv)) {
876 if (dev_drv->ops->poll_vblank)
877 return dev_drv->ops->poll_vblank(dev_drv);
879 return RK_LF_STATUS_NC;
881 return RK_LF_STATUS_NC;
885 bool rk_fb_poll_wait_frame_complete(void)
887 uint32_t timeout = RK_LF_MAX_TIMEOUT;
888 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
890 if (likely(dev_drv)) {
891 if (dev_drv->ops->set_irq_to_cpu)
892 dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
895 if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
896 if (likely(dev_drv)) {
897 if (dev_drv->ops->set_irq_to_cpu)
898 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
902 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
904 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
906 if (likely(dev_drv)) {
907 if (dev_drv->ops->set_irq_to_cpu)
908 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
914 /* rk_fb_get_sysmmu_device_by_compatible()
915 * @compt: dts device compatible name
916 * return value: success: pointer to the device inside of platform device
919 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
921 struct device_node *dn = NULL;
922 struct platform_device *pd = NULL;
923 struct device *ret = NULL ;
925 dn = of_find_compatible_node(NULL, NULL, compt);
927 pr_info("can't find device node %s \r\n", compt);
931 pd = of_find_device_by_node(dn);
933 pr_info("can't find platform device node %s \r\n", compt);
941 #ifdef CONFIG_IOMMU_API
942 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
944 dev->archdata.iommu = sysmmu;
947 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
952 static int rk_fb_open(struct fb_info *info, int user)
954 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
955 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
958 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
960 /* if this win aready opened ,no need to reopen */
961 if (dev_drv->win[win_id]->state)
964 dev_drv->ops->open(dev_drv, win_id, 1);
968 static int rk_fb_close(struct fb_info *info, int user)
970 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
971 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
972 struct rk_lcdc_win *win = NULL;
973 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
976 win = dev_drv->win[win_id];
979 if (!fb_par->state) {
980 if (fb_par->fb_phy_base > 0)
981 info->fix.smem_start = fb_par->fb_phy_base;
982 info->var.xres = dev_drv->screen0->mode.xres;
983 info->var.yres = dev_drv->screen0->mode.yres;
985 *info->var.grayscale |=
986 * (info->var.xres << 8) + (info->var.yres << 20);
988 info->var.xres_virtual = info->var.xres;
989 info->var.yres_virtual = info->var.yres;
990 #if defined(CONFIG_LOGO_LINUX_BMP)
991 info->var.bits_per_pixel = 32;
993 info->var.bits_per_pixel = 16;
995 info->fix.line_length =
996 (info->var.xres_virtual) *
997 (info->var.bits_per_pixel >> 3);
998 info->var.width = dev_drv->screen0->width;
999 info->var.height = dev_drv->screen0->height;
1000 info->var.pixclock = dev_drv->pixclock;
1001 info->var.left_margin =
1002 dev_drv->screen0->mode.left_margin;
1003 info->var.right_margin =
1004 dev_drv->screen0->mode.right_margin;
1005 info->var.upper_margin =
1006 dev_drv->screen0->mode.upper_margin;
1007 info->var.lower_margin =
1008 dev_drv->screen0->mode.lower_margin;
1009 info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
1010 info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
1017 #if defined(FB_ROATE_BY_KERNEL)
1019 #if defined(CONFIG_RK29_IPP)
1020 static int get_ipp_format(int fmt)
1022 int ipp_fmt = IPP_XRGB_8888;
1025 case HAL_PIXEL_FORMAT_RGBX_8888:
1026 case HAL_PIXEL_FORMAT_BGRX_8888:
1027 case HAL_PIXEL_FORMAT_RGBA_8888:
1028 case HAL_PIXEL_FORMAT_BGRA_8888:
1029 case HAL_PIXEL_FORMAT_RGB_888:
1030 case HAL_PIXEL_FORMAT_BGR_888:
1031 ipp_fmt = IPP_XRGB_8888;
1033 case HAL_PIXEL_FORMAT_RGB_565:
1034 case HAL_PIXEL_FORMAT_BGR_565:
1035 ipp_fmt = IPP_RGB_565;
1037 case HAL_PIXEL_FORMAT_YCbCr_422_SP:
1038 ipp_fmt = IPP_Y_CBCR_H2V1;
1040 case HAL_PIXEL_FORMAT_YCrCb_NV12:
1041 ipp_fmt = IPP_Y_CBCR_H2V2;
1043 case HAL_PIXEL_FORMAT_YCrCb_444:
1044 ipp_fmt = IPP_Y_CBCR_H1V1;
1047 ipp_fmt = IPP_IMGTYPE_LIMIT;
1054 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
1055 int rotation, int fmt)
1060 if (fmt == IPP_XRGB_8888) {
1063 } else if (fmt == IPP_RGB_565) {
1070 align16 -= 1; /*for YUV, 1 */
1071 align64 -= 1; /*for YUV, 7 */
1073 if (rotation == IPP_ROT_0) {
1074 if (fmt > IPP_RGB_565) {
1075 if ((*dst_w & 1) != 0)
1076 *dst_w = *dst_w + 1;
1077 if ((*dst_h & 1) != 0)
1078 *dst_h = *dst_h + 1;
1079 if (*dst_vir_w < *dst_w)
1080 *dst_vir_w = *dst_w;
1083 if ((*dst_w & align64) != 0)
1084 *dst_w = (*dst_w + align64) & (~align64);
1085 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
1086 *dst_h = *dst_h + 1;
1087 if (*dst_vir_w < *dst_w)
1088 *dst_vir_w = *dst_w;
1092 static void fb_copy_by_ipp(struct fb_info *dst_info,
1093 struct fb_info *src_info)
1095 struct rk29_ipp_req ipp_req;
1096 uint32_t rotation = 0;
1097 int dst_w, dst_h, dst_vir_w;
1099 u8 data_format = (dst_info->var.nonstd) & 0xff;
1100 struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
1101 struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
1102 u16 orientation = ext_dev_drv->rotate_mode;
1104 memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
1106 switch (orientation) {
1108 rotation = IPP_ROT_0;
1111 rotation = IPP_ROT_90;
1114 rotation = IPP_ROT_180;
1117 rotation = IPP_ROT_270;
1120 rotation = IPP_ROT_270;
1124 dst_w = dst_info->var.xres;
1125 dst_h = dst_info->var.yres;
1126 dst_vir_w = dst_info->var.xres_virtual;
1127 ipp_fmt = get_ipp_format(data_format);
1128 ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1129 ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1130 ipp_req.src0.w = src_info->var.xres;
1131 ipp_req.src0.h = src_info->var.yres;
1132 ipp_req.src_vir_w = src_info->var.xres_virtual;
1133 ipp_req.src0.fmt = ipp_fmt;
1135 ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1136 ipp_req.dst0.w = dst_w;
1137 ipp_req.dst0.h = dst_h;
1138 ipp_req.dst_vir_w = dst_vir_w;
1139 ipp_req.dst0.fmt = ipp_fmt;
1141 ipp_req.timeout = 100;
1142 ipp_req.flag = rotation;
1143 ipp_blit_sync(&ipp_req);
1148 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1149 static int get_rga_format(int fmt)
1155 rga_fmt = RK_FORMAT_RGBX_8888;
1158 rga_fmt = RK_FORMAT_RGBA_8888;
1161 rga_fmt = RK_FORMAT_BGRA_8888;
1164 rga_fmt = RK_FORMAT_RGB_888;
1167 rga_fmt = RK_FORMAT_RGB_565;
1170 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1173 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1176 rga_fmt = RK_FORMAT_RGBA_8888;
1183 static void rga_win_check(struct rk_lcdc_win *dst_win,
1184 struct rk_lcdc_win *src_win)
1188 format = get_rga_format(src_win->area[0].format);
1189 /* width and height must be even number */
1190 if (format >= RK_FORMAT_YCbCr_422_SP &&
1191 format <= RK_FORMAT_YCrCb_420_P) {
1192 if ((src_win->area[0].xact % 2) != 0)
1193 src_win->area[0].xact += 1;
1194 if ((src_win->area[0].yact % 2) != 0)
1195 src_win->area[0].yact += 1;
1197 if (src_win->area[0].xvir < src_win->area[0].xact)
1198 src_win->area[0].xvir = src_win->area[0].xact;
1199 if (src_win->area[0].yvir < src_win->area[0].yact)
1200 src_win->area[0].yvir = src_win->area[0].yact;
1202 format = get_rga_format(dst_win->area[0].format);
1203 if (format >= RK_FORMAT_YCbCr_422_SP &&
1204 format <= RK_FORMAT_YCrCb_420_P) {
1205 if ((dst_win->area[0].xact % 2) != 0)
1206 dst_win->area[0].xact += 1;
1207 if ((dst_win->area[0].yact % 2) != 0)
1208 dst_win->area[0].yact += 1;
1210 if (dst_win->area[0].xvir < dst_win->area[0].xact)
1211 dst_win->area[0].xvir = dst_win->area[0].xact;
1212 if (dst_win->area[0].yvir < dst_win->area[0].yact)
1213 dst_win->area[0].yvir = dst_win->area[0].yact;
1216 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1217 struct rk_lcdc_win *src_win,
1218 u16 orientation, int iommu_en)
1220 struct rga_req rga_request;
1224 memset(&rga_request, 0, sizeof(rga_request));
1225 rga_win_check(dst_win, src_win);
1227 switch (orientation) {
1229 rga_request.rotate_mode = 1;
1230 rga_request.sina = 65536;
1231 rga_request.cosa = 0;
1232 rga_request.dst.act_w = dst_win->area[0].yact;
1233 rga_request.dst.act_h = dst_win->area[0].xact;
1234 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1235 rga_request.dst.y_offset = 0;
1238 rga_request.rotate_mode = 1;
1239 rga_request.sina = 0;
1240 rga_request.cosa = -65536;
1241 rga_request.dst.act_w = dst_win->area[0].xact;
1242 rga_request.dst.act_h = dst_win->area[0].yact;
1243 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1244 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1247 rga_request.rotate_mode = 1;
1248 rga_request.sina = -65536;
1249 rga_request.cosa = 0;
1250 rga_request.dst.act_w = dst_win->area[0].yact;
1251 rga_request.dst.act_h = dst_win->area[0].xact;
1252 rga_request.dst.x_offset = 0;
1253 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1256 rga_request.rotate_mode = 0;
1257 rga_request.dst.act_w = dst_win->area[0].xact;
1258 rga_request.dst.act_h = dst_win->area[0].yact;
1259 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1260 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1266 * ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1267 * rga_request.src.yrgb_addr = fd;
1269 * ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1270 * rga_request.dst.yrgb_addr = fd;
1272 rga_request.src.yrgb_addr = 0;
1273 rga_request.src.uv_addr =
1274 src_win->area[0].smem_start + src_win->area[0].y_offset;
1275 rga_request.src.v_addr = 0;
1277 rga_request.dst.yrgb_addr = 0;
1278 rga_request.dst.uv_addr =
1279 dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1280 rga_request.dst.v_addr = 0;
1282 rga_request.src.vir_w = src_win->area[0].xvir;
1283 rga_request.src.vir_h = src_win->area[0].yvir;
1284 rga_request.src.format = get_rga_format(src_win->area[0].format);
1285 rga_request.src.act_w = src_win->area[0].xact;
1286 rga_request.src.act_h = src_win->area[0].yact;
1287 rga_request.src.x_offset = 0;
1288 rga_request.src.y_offset = 0;
1290 rga_request.dst.vir_w = dst_win->area[0].xvir;
1291 rga_request.dst.vir_h = dst_win->area[0].yvir;
1292 rga_request.dst.format = get_rga_format(dst_win->area[0].format);
1294 rga_request.clip.xmin = 0;
1295 rga_request.clip.xmax = dst_win->area[0].xact - 1;
1296 rga_request.clip.ymin = 0;
1297 rga_request.clip.ymax = dst_win->area[0].yact - 1;
1298 rga_request.scale_mode = 0;
1301 rga_request.mmu_info.mmu_en = 1;
1302 rga_request.mmu_info.mmu_flag = 1;
1304 rga_request.mmu_info.mmu_en = 0;
1305 rga_request.mmu_info.mmu_flag = 0;
1308 ret = rga_ioctl_kernel(&rga_request);
1312 * This function is used for copying fb by RGA Module
1313 * RGA only support copy RGB to RGB
1314 * RGA2 support copy RGB to RGB and YUV to YUV
1316 static void fb_copy_by_rga(struct fb_info *dst_info,
1317 struct fb_info *src_info)
1319 struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1320 struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1321 struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1322 struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1323 int win_id = 0, ext_win_id;
1324 struct rk_lcdc_win *src_win, *dst_win;
1326 win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1327 src_win = dev_drv->win[win_id];
1330 ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1331 dst_win = ext_dev_drv->win[ext_win_id];
1333 win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1334 ext_dev_drv->iommu_enabled);
1338 static int rk_fb_rotate(struct fb_info *dst_info,
1339 struct fb_info *src_info)
1341 #if defined(CONFIG_RK29_IPP)
1342 fb_copy_by_ipp(dst_info, src_info);
1343 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1344 fb_copy_by_rga(dst_info, src_info);
1351 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1352 struct rk_lcdc_win *src_win,
1353 u16 rotate, int iommu_en)
1355 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1356 win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1365 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1366 struct fb_info *info)
1368 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1369 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1370 struct fb_fix_screeninfo *fix = &info->fix;
1372 struct rk_lcdc_win *win = NULL;
1373 struct rk_screen *screen = dev_drv->cur_screen;
1374 u32 xoffset = var->xoffset;
1375 u32 yoffset = var->yoffset;
1376 u32 xvir = var->xres_virtual;
1379 u32 stride, uv_stride;
1382 u16 uv_x_off, uv_y_off, uv_y_act;
1385 if (dev_drv->suspend_flag || is_car_camcap())
1387 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1391 win = dev_drv->win[win_id];
1393 pixel_width = rk_fb_pixel_width(win->area[0].format);
1394 vir_width_bit = pixel_width * xvir;
1395 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1396 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1398 switch (win->area[0].format) {
1402 stride = stride_32bit_1;
1403 uv_stride = stride_32bit_1;
1406 fix->line_length = stride;
1407 uv_y_act = win->area[0].yact >> 1;
1409 case YUV420: /* nv12 */
1410 case YUV420_NV21: /* nv21 */
1413 stride = stride_32bit_1;
1414 uv_stride = stride_32bit_1;
1416 uv_y_off = yoffset >> 1;
1417 fix->line_length = stride;
1418 uv_y_act = win->area[0].yact >> 1;
1423 stride = stride_32bit_1;
1424 uv_stride = stride_32bit_2;
1425 uv_x_off = xoffset * 2;
1427 fix->line_length = stride << 2;
1428 uv_y_act = win->area[0].yact;
1431 stride = stride_32bit_1; /* default rgb */
1432 fix->line_length = stride;
1436 /* x y mirror ,jump line */
1437 if ((screen->y_mirror == 1) ||
1438 (win->xmirror && win->ymirror)) {
1439 if (screen->interlace == 1) {
1440 win->area[0].y_offset = yoffset * stride * 2 +
1441 ((win->area[0].yact - 1) * 2 + 1) * stride +
1442 xoffset * pixel_width / 8;
1444 win->area[0].y_offset = yoffset * stride +
1445 (win->area[0].yact - 1) * stride +
1446 xoffset * pixel_width / 8;
1449 if (screen->interlace == 1) {
1450 win->area[0].y_offset =
1451 yoffset * stride * 2 + xoffset * pixel_width / 8;
1453 win->area[0].y_offset =
1454 yoffset * stride + xoffset * pixel_width / 8;
1457 if (is_pic_yuv == 1) {
1458 if ((screen->y_mirror == 1) ||
1459 (win->xmirror && win->ymirror)) {
1460 if (screen->interlace == 1) {
1461 win->area[0].c_offset =
1462 uv_y_off * uv_stride * 2 +
1463 ((uv_y_act - 1) * 2 + 1) * uv_stride +
1464 uv_x_off * pixel_width / 8;
1466 win->area[0].c_offset = uv_y_off * uv_stride +
1467 (uv_y_act - 1) * uv_stride +
1468 uv_x_off * pixel_width / 8;
1471 if (screen->interlace == 1) {
1472 win->area[0].c_offset =
1473 uv_y_off * uv_stride * 2 +
1474 uv_x_off * pixel_width / 8;
1476 win->area[0].c_offset =
1477 uv_y_off * uv_stride +
1478 uv_x_off * pixel_width / 8;
1483 win->area[0].smem_start = fix->smem_start;
1484 win->area[0].cbr_start = fix->mmio_start;
1485 win->area[0].state = 1;
1488 dev_drv->ops->pan_display(dev_drv, win_id);
1490 #ifdef CONFIG_FB_MIRRORING
1491 if (video_data_to_mirroring)
1492 video_data_to_mirroring(info, NULL);
1494 /* if not want the config effect,set reserved[3] bit[0] 1 */
1495 if (likely((var->reserved[3] & 0x1) == 0))
1496 dev_drv->ops->cfg_done(dev_drv);
1497 if (dev_drv->hdmi_switch)
1502 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1506 i = list_empty(&dev_drv->update_regs_list);
1507 j = list_empty(&dev_drv->saved_list);
1508 return i == j ? 0 : 1;
1511 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1513 int err = sync_fence_wait(fence, 1000);
1519 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1522 pr_info("error waiting on fence\n");
1525 static int rk_fb_copy_from_loader(struct fb_info *info)
1527 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1528 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1529 void *dst = info->screen_base;
1534 struct rk_lcdc_win *win;
1536 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1537 win = dev_drv->win[win_id];
1538 size = (win->area[0].xact) * (win->area[0].yact) << 2;
1539 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1540 src = dsp_addr[win_id];
1541 dev_info(info->dev, "copy fb data %d x %d from dst_addr:%08x\n",
1542 win->area[0].xact, win->area[0].yact, src);
1543 for (i = 0; i < size; i += PAGE_SIZE) {
1544 void *page = phys_to_page(i + src);
1545 void *from_virt = kmap(page);
1546 void *to_virt = dst + i;
1548 memcpy(to_virt, from_virt, PAGE_SIZE);
1550 dev_drv->ops->direct_set_addr(dev_drv, win_id,
1551 info->fix.smem_start);
1555 static int g_last_addr[5][4];
1556 static int g_now_config_addr[5][4];
1557 static int g_last_state[5][4];
1558 static int g_now_config_state[5][4];
1563 #define DUMP_CHUNK 256
1564 char buf[PAGE_SIZE];
1566 int rk_fb_sysmmu_fault_handler(struct device *dev,
1567 enum rk_iommu_inttype itype,
1568 unsigned long pgtable_base,
1569 unsigned long fault_addr, unsigned int status)
1571 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1573 static int page_fault_cnt;
1575 if ((page_fault_cnt++) >= 10)
1578 ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1579 fault_addr, pgtable_base, status);
1580 pr_info("last config addr:\n");
1581 for (i = 0; i < 4; i++) {
1582 for (j = 0; j < 4; j++)
1583 pr_info("win[%d],area[%d] = 0x%08x\n",
1584 i, j, g_last_addr[i][j]);
1586 pr_info("last freed buffer:\n");
1587 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1588 pr_info("%d:0x%08x\n", i, freed_addr[i]);
1589 pr_info("last timeout:%d\n", g_last_timeout);
1590 dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1591 for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1592 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1593 char c = buf[i + DUMP_CHUNK];
1595 buf[i + DUMP_CHUNK] = 0;
1596 pr_cont("%s", buf + i);
1597 buf[i + DUMP_CHUNK] = c;
1599 buf[PAGE_SIZE - 1] = 0;
1600 pr_cont("%s", buf + i);
1607 void rk_fb_free_wb_buf(struct rk_lcdc_driver *dev_drv,
1608 struct rk_fb_reg_wb_data *wb_data)
1610 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1612 if (dev_drv->iommu_enabled && wb_data->ion_handle)
1613 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1614 wb_data->ion_handle);
1615 if (wb_data->ion_handle)
1616 ion_free(rk_fb->ion_client, wb_data->ion_handle);
1619 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1620 struct rk_fb_reg_win_data *reg_win_data)
1623 struct rk_fb_reg_area_data *area_data;
1624 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1626 for (i = 0; i < reg_win_data->area_num; i++) {
1627 area_data = ®_win_data->reg_area_data[i];
1628 index_buf = area_data->index_buf;
1629 if (dev_drv->iommu_enabled) {
1630 if (area_data->ion_handle != NULL &&
1631 !IS_YUV_FMT(area_data->data_format))
1632 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1633 area_data->ion_handle);
1634 freed_addr[freed_index++] = area_data->smem_start;
1636 if (area_data->ion_handle != NULL)
1637 ion_free(rk_fb->ion_client, area_data->ion_handle);
1639 if (area_data->acq_fence)
1640 sync_fence_put(area_data->acq_fence);
1644 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1645 struct rk_lcdc_win *win,
1646 struct rk_fb_reg_win_data *reg_win_data)
1649 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1650 struct rk_screen *cur_screen;
1651 struct rk_screen primary_screen;
1653 if (unlikely(!inf) || unlikely(!dev_drv) ||
1654 unlikely(!win) || unlikely(!reg_win_data))
1657 cur_screen = dev_drv->cur_screen;
1658 rk_fb_get_prmry_screen(&primary_screen);
1660 win->area_num = reg_win_data->area_num;
1661 win->id = reg_win_data->win_id;
1662 win->z_order = reg_win_data->z_order;
1664 if (reg_win_data->reg_area_data[0].smem_start > 0) {
1666 win->area_num = reg_win_data->area_num;
1667 win->id = reg_win_data->win_id;
1668 win->z_order = reg_win_data->z_order;
1669 win->area[0].uv_vir_stride =
1670 reg_win_data->reg_area_data[0].uv_vir_stride;
1671 win->area[0].cbr_start =
1672 reg_win_data->reg_area_data[0].cbr_start;
1673 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1674 win->alpha_en = reg_win_data->alpha_en;
1675 win->alpha_mode = reg_win_data->alpha_mode;
1676 win->g_alpha_val = reg_win_data->g_alpha_val;
1678 * reg_win_data mirror_en means that xmirror ymirror all
1681 win->xmirror = reg_win_data->mirror_en ? 1 : 0;
1682 win->ymirror = reg_win_data->mirror_en ? 1 : 0;
1683 win->colorspace = reg_win_data->colorspace;
1684 win->area[0].fbdc_en =
1685 reg_win_data->reg_area_data[0].fbdc_en;
1686 win->area[0].fbdc_cor_en =
1687 reg_win_data->reg_area_data[0].fbdc_cor_en;
1688 win->area[0].fbdc_data_format =
1689 reg_win_data->reg_area_data[0].fbdc_data_format;
1690 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1691 if (reg_win_data->reg_area_data[i].smem_start > 0) {
1692 win->area[i].format =
1693 reg_win_data->reg_area_data[i].data_format;
1694 win->area[i].ion_hdl =
1695 reg_win_data->reg_area_data[i].ion_handle;
1696 win->area[i].smem_start =
1697 reg_win_data->reg_area_data[i].smem_start;
1698 if (inf->disp_mode == DUAL ||
1699 inf->disp_mode == DUAL_LCD ||
1700 inf->disp_mode == NO_DUAL) {
1702 reg_win_data->reg_area_data[i].xpos;
1704 reg_win_data->reg_area_data[i].ypos;
1705 win->area[i].xsize =
1706 reg_win_data->reg_area_data[i].xsize;
1707 win->area[i].ysize =
1708 reg_win_data->reg_area_data[i].ysize;
1711 reg_win_data->reg_area_data[i].xpos *
1712 cur_screen->mode.xres /
1713 primary_screen.mode.xres;
1715 reg_win_data->reg_area_data[i].ypos *
1716 cur_screen->mode.yres /
1717 primary_screen.mode.yres;
1718 win->area[i].xsize =
1719 reg_win_data->reg_area_data[i].xsize *
1720 cur_screen->mode.xres /
1721 primary_screen.mode.xres;
1722 win->area[i].ysize =
1723 reg_win_data->reg_area_data[i].ysize *
1724 cur_screen->mode.yres /
1725 primary_screen.mode.yres;
1727 /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1728 if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
1729 if (cur_screen->xsize > 0 &&
1730 cur_screen->xsize <= cur_screen->mode.xres) {
1732 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1733 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1734 win->area[i].xsize =
1735 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1737 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1739 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1740 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1741 win->area[i].ysize =
1742 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1747 reg_win_data->reg_area_data[i].xact;
1749 reg_win_data->reg_area_data[i].yact;
1751 reg_win_data->reg_area_data[i].xvir;
1753 reg_win_data->reg_area_data[i].yvir;
1755 reg_win_data->reg_area_data[i].xoff;
1757 reg_win_data->reg_area_data[i].yoff;
1758 win->area[i].y_offset =
1759 reg_win_data->reg_area_data[i].y_offset;
1760 win->area[i].y_vir_stride =
1761 reg_win_data->reg_area_data[i].y_vir_stride;
1762 win->area[i].state = 1;
1763 if (dev_drv->iommu_enabled) {
1764 g_now_config_addr[win->id][i] =
1765 win->area[i].smem_start +
1766 win->area[i].y_offset;
1767 g_now_config_state[win->id][i] = 1;
1770 win->area[i].state = 0;
1771 win->area[i].fbdc_en = 0;
1772 if (dev_drv->iommu_enabled) {
1773 g_now_config_addr[win->id][i] = 0;
1774 g_now_config_state[win->id][i] = 0;
1781 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1785 struct rk_fb_reg_win_data *win_data = NULL;
1787 for (i = 0; i < regs->win_num; i++) {
1788 if (regs->reg_win_data[i].win_id == win_id) {
1789 win_data = &(regs->reg_win_data[i]);
1797 static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
1798 struct rk_fb_reg_data *regs,
1801 int i, j, wait_for_vsync = false;
1802 unsigned int dsp_addr[5][4];
1805 if (dev_drv->ops->get_dsp_addr)
1806 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1808 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1809 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1810 if ((j > 0) && (dev_drv->area_support[i] == 1))
1812 if (dev_drv->win[i]->area[j].state == 1) {
1814 dev_drv->win[i]->area[j].smem_start +
1815 dev_drv->win[i]->area[j].y_offset;
1816 u32 reg_start = dsp_addr[i][j];
1818 if (unlikely(new_start != reg_start)) {
1819 wait_for_vsync = true;
1820 dev_info(dev_drv->dev,
1821 "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1822 i, new_start, reg_start,
1826 } else if (dev_drv->win[i]->area[j].state == 0) {
1827 if (dev_drv->ops->get_win_state) {
1829 dev_drv->ops->get_win_state(dev_drv, i, j);
1831 wait_for_vsync = true;
1834 pr_err("!!!win[%d]state:%d,error!!!\n",
1835 i, dev_drv->win[i]->state);
1840 return wait_for_vsync;
1843 static int rk_fb_iommu_page_fault_dump(struct rk_lcdc_driver *dev_drv)
1845 int i, j, state, page_fault = 0;
1846 unsigned int dsp_addr[5][4];
1848 if (dev_drv->ops->extern_func) {
1849 dev_drv->ops->extern_func(dev_drv, UNMASK_PAGE_FAULT);
1850 page_fault = dev_drv->ops->extern_func(dev_drv, GET_PAGE_FAULT);
1853 pr_info("last config:\n");
1854 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1855 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1856 if ((j > 0) && (dev_drv->area_support[i] == 1))
1858 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1859 i, j, g_last_state[i][j], g_last_addr[i][j]);
1863 pr_info("last freed buffer:\n");
1864 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1865 pr_info("%d:0x%08x\n", i, freed_addr[i]);
1867 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1868 pr_info("vop now state:\n");
1869 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1870 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1871 if ((j > 0) && (dev_drv->area_support[i] == 1))
1873 state = dev_drv->ops->get_win_state(dev_drv, i, j);
1874 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1875 i, j, state, dsp_addr[i][j]);
1878 pr_info("now config:\n");
1879 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1880 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1881 if ((j > 0) && (dev_drv->area_support[i] == 1))
1883 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1884 i, j, g_now_config_state[i][j],
1885 g_now_config_addr[i][j]);
1888 for (i = 0; i < DUMP_FRAME_NUM; i++)
1889 rk_fb_config_debug(dev_drv, &dev_drv->tmp_win_cfg[i],
1890 &dev_drv->tmp_regs[i], 0);
1893 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1894 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1895 if ((j > 0) && (dev_drv->area_support[i] == 1))
1897 g_last_addr[i][j] = g_now_config_addr[i][j];
1898 g_last_state[i][j] = g_now_config_state[i][j];
1904 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1905 struct rk_fb_reg_data *regs)
1908 struct rk_lcdc_win *win;
1909 ktime_t timestamp = dev_drv->vsync_info.timestamp;
1910 struct rk_fb_reg_win_data *win_data;
1911 bool wait_for_vsync;
1916 if (dev_drv->suspend_flag == 1) {
1918 sw_sync_timeline_inc(dev_drv->timeline, 1);
1920 for (i = 0; i < regs->win_num; i++) {
1921 win_data = ®s->reg_win_data[i];
1922 rk_fb_free_dma_buf(dev_drv, win_data);
1924 if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
1925 rk_fb_free_wb_buf(dev_drv, ®s->reg_wb_data);
1929 /* acq_fence wait */
1930 for (i = 0; i < regs->win_num; i++) {
1931 win_data = ®s->reg_win_data[i];
1932 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1933 if (win_data->reg_area_data[j].acq_fence)
1934 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1938 mutex_lock(&dev_drv->win_config);
1939 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1940 win = dev_drv->win[i];
1941 win_data = rk_fb_get_win_data(regs, i);
1943 rk_fb_update_win(dev_drv, win, win_data);
1945 dev_drv->ops->set_par(dev_drv, i);
1946 dev_drv->ops->pan_display(dev_drv, i);
1950 for (j = 0; j < 4; j++) {
1951 win->area[j].state = 0;
1952 win->area[j].fbdc_en = 0;
1954 if (dev_drv->iommu_enabled) {
1955 for (j = 0; j < 4; j++) {
1956 g_now_config_addr[i][j] = 0;
1957 g_now_config_state[i][j] = 0;
1962 dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1964 if (dev_drv->property.feature & SUPPORT_WRITE_BACK) {
1965 memcpy(&dev_drv->wb_data, ®s->reg_wb_data,
1966 sizeof(struct rk_fb_reg_wb_data));
1967 if (dev_drv->ops->set_wb)
1968 dev_drv->ops->set_wb(dev_drv);
1971 if (rk_fb_iommu_debug > 0)
1972 pagefault = rk_fb_iommu_page_fault_dump(dev_drv);
1975 dev_drv->ops->cfg_done(dev_drv);
1977 sw_sync_timeline_inc(dev_drv->timeline, 1);
1978 mutex_unlock(&dev_drv->win_config);
1981 timestamp = dev_drv->vsync_info.timestamp;
1982 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1983 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1984 msecs_to_jiffies(50));
1986 wait_for_vsync = rk_fb_reg_effect(dev_drv, regs, count);
1987 } while (wait_for_vsync && count--);
1989 sw_sync_timeline_inc(dev_drv->timeline, 1);
1992 if (dev_drv->front_regs) {
1993 if (dev_drv->iommu_enabled) {
1994 if (dev_drv->ops->mmu_en)
1995 dev_drv->ops->mmu_en(dev_drv);
1997 g_last_timeout = timeout;
2000 mutex_lock(&dev_drv->front_lock);
2002 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
2003 win_data = &dev_drv->front_regs->reg_win_data[i];
2004 rk_fb_free_dma_buf(dev_drv, win_data);
2006 if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
2007 rk_fb_free_wb_buf(dev_drv,
2008 &dev_drv->front_regs->reg_wb_data);
2009 kfree(dev_drv->front_regs);
2011 mutex_unlock(&dev_drv->front_lock);
2013 if (dev_drv->iommu_enabled)
2014 freed_addr[freed_index] = 0xfefefefe;
2017 mutex_lock(&dev_drv->front_lock);
2019 dev_drv->front_regs = regs;
2021 mutex_unlock(&dev_drv->front_lock);
2023 trace_buffer_dump(&fb_pdev->dev, dev_drv);
2026 static void rk_fb_update_regs_handler(struct kthread_work *work)
2028 struct rk_lcdc_driver *dev_drv =
2029 container_of(work, struct rk_lcdc_driver, update_regs_work);
2030 struct rk_fb_reg_data *data, *next;
2032 mutex_lock(&dev_drv->update_regs_list_lock);
2033 dev_drv->saved_list = dev_drv->update_regs_list;
2034 list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
2035 mutex_unlock(&dev_drv->update_regs_list_lock);
2037 list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
2038 list_del(&data->list);
2039 rk_fb_update_reg(dev_drv, data);
2042 if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
2043 wake_up(&dev_drv->update_regs_wait);
2046 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
2047 struct rk_screen *screen)
2049 if (area_par->phy_addr > 0)
2050 pr_err("%s[%d], phy_addr = 0x%x\n",
2051 __func__, __LINE__, area_par->phy_addr);
2052 if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
2053 (area_par->xact <= 0) || (area_par->yact <= 0) ||
2054 (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
2055 pr_err("check config var fail 0:\n"
2056 "x_offset=%d,xact=%d,xvir=%d\n",
2057 area_par->x_offset, area_par->xact, area_par->xvir);
2061 if ((area_par->xpos >= screen->mode.xres) ||
2062 (area_par->ypos >= screen->mode.yres) ||
2063 ((area_par->xsize <= 0) || (area_par->ysize <= 0))) {
2064 pr_warn("check config var fail 1:\n"
2065 "xpos=%d,xsize=%d,xres=%d\n"
2066 "ypos=%d,ysize=%d,yres=%d\n",
2067 area_par->xpos, area_par->xsize, screen->mode.xres,
2068 area_par->ypos, area_par->ysize, screen->mode.yres);
2074 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
2075 struct rk_fb_win_cfg_data *win_data,
2076 struct rk_fb_reg_data *regs, u32 cmd)
2079 struct rk_fb_win_par *win_par;
2080 struct rk_fb_area_par *area_par;
2081 struct rk_fb_reg_win_data *reg_win_data;
2082 struct rk_fb_reg_area_data *area_data;
2084 rk_fb_dbg(cmd, "-------------frame start-------------\n");
2085 rk_fb_dbg(cmd, "user config:\n");
2086 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2087 win_par = &(win_data->win_par[i]);
2088 if ((win_par->area_par[0].ion_fd <= 0) &&
2089 (win_par->area_par[0].phy_addr <= 0))
2091 rk_fb_dbg(cmd, "win[%d]:z_order=%d,galhpa_v=%d\n",
2092 win_par->win_id, win_par->z_order,
2093 win_par->g_alpha_val);
2094 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2095 area_par = &(win_par->area_par[j]);
2096 if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2097 ((win_par->area_par[j].ion_fd <= 0) &&
2098 (win_par->area_par[j].phy_addr <= 0)))
2100 rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion_fd=%d,phy_add=0x%x,xoff=%d,yoff=%d\n",
2101 j, area_par->data_format, area_par->ion_fd,
2102 area_par->phy_addr, area_par->x_offset,
2103 area_par->y_offset);
2104 rk_fb_dbg(cmd, " xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2105 area_par->xpos, area_par->ypos,
2106 area_par->xsize, area_par->ysize);
2107 rk_fb_dbg(cmd, " xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2108 area_par->xact, area_par->yact,
2109 area_par->xvir, area_par->yvir);
2113 rk_fb_dbg(cmd, "regs data:\n");
2114 rk_fb_dbg(cmd, "win_num=%d,buf_num=%d\n",
2115 regs->win_num, regs->buf_num);
2116 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2117 reg_win_data = &(regs->reg_win_data[i]);
2118 if (reg_win_data->reg_area_data[0].smem_start <= 0)
2120 rk_fb_dbg(cmd, "win[%d]:z_order=%d,area_num=%d,area_buf_num=%d\n",
2121 reg_win_data->win_id, reg_win_data->z_order,
2122 reg_win_data->area_num, reg_win_data->area_buf_num);
2123 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2124 area_data = &(reg_win_data->reg_area_data[j]);
2125 if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2126 (area_data->smem_start <= 0))
2128 rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion=%p,smem_star=0x%lx,cbr_star=0x%lx\n",
2129 j, area_data->data_format, area_data->ion_handle,
2130 area_data->smem_start, area_data->cbr_start);
2131 rk_fb_dbg(cmd, " yoff=0x%x,coff=0x%x,area_data->buff_len=%x\n",
2132 area_data->y_offset, area_data->c_offset, area_data->buff_len);
2133 rk_fb_dbg(cmd, " xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2134 area_data->xpos, area_data->ypos,
2135 area_data->xsize, area_data->ysize);
2136 rk_fb_dbg(cmd, " xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2137 area_data->xact, area_data->yact,
2138 area_data->xvir, area_data->yvir);
2141 rk_fb_dbg(cmd, "-------------frame end---------------\n");
2145 static int rk_fb_config_backup(struct rk_lcdc_driver *dev_drv,
2146 struct rk_fb_win_cfg_data *win_cfg,
2147 struct rk_fb_reg_data *regs)
2151 /*2->1->0: 0 is newest*/
2152 for (i = 0; i < DUMP_FRAME_NUM - 1; i++) {
2153 memcpy(&dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 1 - i],
2154 &dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 2 - i],
2155 sizeof(struct rk_fb_win_cfg_data));
2156 memcpy(&dev_drv->tmp_regs[DUMP_FRAME_NUM - 1 - i],
2157 &dev_drv->tmp_regs[DUMP_FRAME_NUM - 2 - i],
2158 sizeof(struct rk_fb_reg_data));
2161 memcpy(&dev_drv->tmp_win_cfg[0], win_cfg,
2162 sizeof(struct rk_fb_win_cfg_data));
2163 memcpy(&dev_drv->tmp_regs[0], regs,
2164 sizeof(struct rk_fb_reg_data));
2169 static int rk_fb_set_wb_buffer(struct fb_info *info,
2170 struct rk_fb_wb_cfg *wb_cfg,
2171 struct rk_fb_reg_wb_data *wb_data)
2174 ion_phys_addr_t phy_addr;
2177 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2178 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2179 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2181 if ((wb_cfg->phy_addr == 0) && (wb_cfg->ion_fd == 0)) {
2185 if (wb_cfg->phy_addr == 0) {
2186 wb_data->ion_handle =
2187 ion_import_dma_buf(rk_fb->ion_client,
2189 if (IS_ERR(wb_data->ion_handle)) {
2190 pr_info("Could not import handle: %ld\n",
2191 (long)wb_data->ion_handle);
2194 if (dev_drv->iommu_enabled)
2195 ret = ion_map_iommu(dev_drv->dev,
2197 wb_data->ion_handle,
2198 (unsigned long *)&phy_addr,
2199 (unsigned long *)&len);
2201 ret = ion_phys(rk_fb->ion_client, wb_data->ion_handle,
2204 pr_err("ion map to get phy addr failed\n");
2205 ion_free(rk_fb->ion_client, wb_data->ion_handle);
2208 wb_data->smem_start = phy_addr;
2210 wb_data->smem_start = wb_cfg->phy_addr;
2213 fb_data_fmt = rk_fb_data_fmt(wb_cfg->data_format, 0);
2214 if (IS_YUV_FMT(fb_data_fmt))
2215 wb_data->cbr_start = wb_data->smem_start +
2216 wb_cfg->xsize * wb_cfg->ysize;
2217 wb_data->xsize = wb_cfg->xsize;
2218 wb_data->ysize = wb_cfg->ysize;
2219 wb_data->data_format = fb_data_fmt;
2225 static int rk_fb_set_win_buffer(struct fb_info *info,
2226 struct rk_fb_win_par *win_par,
2227 struct rk_fb_reg_win_data *reg_win_data)
2229 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2230 struct fb_fix_screeninfo *fix = &info->fix;
2231 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2232 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2233 /*if hdmi size move to hwc,screen should point to cur_screen
2234 *otherwise point to screen0[main screen]*/
2235 struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
2236 struct fb_info *fbi;
2237 int i, ion_fd, acq_fence_fd;
2238 u32 xvir = 0, yvir = 0;
2239 u32 xoffset = 0, yoffset = 0;
2241 struct ion_handle *hdl;
2246 u32 vir_width_bit = 0;
2247 u32 stride = 0, uv_stride = 0;
2248 u32 stride_32bit_1 = 0;
2249 u32 stride_32bit_2 = 0;
2250 u16 uv_x_off = 0, uv_y_off = 0, uv_y_act = 0;
2252 u8 ppixel_a = 0, global_a = 0;
2253 ion_phys_addr_t phy_addr;
2257 reg_win_data->reg_area_data[0].smem_start = -1;
2258 reg_win_data->area_num = 0;
2259 fbi = rk_fb->fb[win_par->win_id + dev_drv->fb_index_base];
2260 if (win_par->area_par[0].phy_addr == 0) {
2261 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2262 ion_fd = win_par->area_par[i].ion_fd;
2265 ion_import_dma_buf(rk_fb->ion_client,
2268 pr_info("%s: win[%d]area[%d] can't import handle\n",
2269 __func__, win_par->win_id, i);
2270 pr_info("fd: %d, hdl: 0x%p, ion_client: 0x%p\n",
2271 ion_fd, hdl, rk_fb->ion_client);
2275 reg_win_data->reg_area_data[i].ion_handle = hdl;
2276 if (dev_drv->iommu_enabled)
2277 ret = ion_map_iommu(dev_drv->dev,
2280 (unsigned long *)&phy_addr,
2281 (unsigned long *)&len);
2283 ret = ion_phys(rk_fb->ion_client, hdl,
2286 dev_err(fbi->dev, "ion map to get phy addr failed\n");
2287 ion_free(rk_fb->ion_client, hdl);
2290 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2291 reg_win_data->area_num++;
2292 reg_win_data->area_buf_num++;
2293 reg_win_data->reg_area_data[i].index_buf = 1;
2294 reg_win_data->reg_area_data[i].buff_len = len;
2298 reg_win_data->reg_area_data[0].smem_start =
2299 win_par->area_par[0].phy_addr;
2300 reg_win_data->area_num = 1;
2301 reg_win_data->area_buf_num++;
2302 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2305 if (reg_win_data->area_num == 0) {
2306 for (i = 0; i < RK_WIN_MAX_AREA; i++)
2307 reg_win_data->reg_area_data[i].smem_start = 0;
2308 reg_win_data->z_order = -1;
2309 reg_win_data->win_id = -1;
2313 for (i = 0; i < reg_win_data->area_num; i++) {
2314 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2315 index_buf = reg_win_data->reg_area_data[i].index_buf;
2316 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2317 reg_win_data->reg_area_data[i].acq_fence =
2318 sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2321 if (reg_win_data->reg_area_data[0].smem_start > 0) {
2322 reg_win_data->z_order = win_par->z_order;
2323 reg_win_data->win_id = win_par->win_id;
2325 reg_win_data->z_order = -1;
2326 reg_win_data->win_id = -1;
2329 reg_win_data->mirror_en = win_par->mirror_en;
2330 for (i = 0; i < reg_win_data->area_num; i++) {
2331 u8 data_format = win_par->area_par[i].data_format;
2332 /*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
2333 reg_win_data->colorspace = CSC_FORMAT(data_format);
2334 data_format &= ~CSC_MASK;
2335 fb_data_fmt = rk_fb_data_fmt(data_format, 0);
2336 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
2337 if (IS_FBDC_FMT(fb_data_fmt)) {
2338 reg_win_data->reg_area_data[i].fbdc_en = 1;
2339 reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
2341 reg_win_data->reg_area_data[i].fbdc_en = 0;
2342 reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
2344 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2346 ppixel_a |= ((fb_data_fmt == ARGB888) ||
2347 (fb_data_fmt == FBDC_ARGB_888) ||
2348 (fb_data_fmt == FBDC_ABGR_888) ||
2349 (fb_data_fmt == ABGR888)) ? 1 : 0;
2350 /*act_height should be 2 pix align for interlace output*/
2351 if (win_par->area_par[i].yact % 2 == 1) {
2352 win_par->area_par[i].yact -= 1;
2353 win_par->area_par[i].ysize -= 1;
2356 /* buf offset should be 2 pix align*/
2357 if ((win_par->area_par[i].x_offset % 2 == 1) &&
2358 IS_YUV_FMT(fb_data_fmt)) {
2359 win_par->area_par[i].x_offset += 1;
2360 win_par->area_par[i].xact -= 1;
2363 /* visiable pos in panel */
2364 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2365 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2367 /* realy size in panel */
2368 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2369 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2371 /* realy size in panel */
2372 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2373 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2375 xoffset = win_par->area_par[i].x_offset; /* buf offset */
2376 yoffset = win_par->area_par[i].y_offset;
2377 reg_win_data->reg_area_data[i].xoff = xoffset;
2378 reg_win_data->reg_area_data[i].yoff = yoffset;
2380 xvir = win_par->area_par[i].xvir;
2381 reg_win_data->reg_area_data[i].xvir = xvir;
2382 yvir = win_par->area_par[i].yvir;
2383 reg_win_data->reg_area_data[i].yvir = yvir;
2385 vir_width_bit = pixel_width * xvir;
2386 /* pixel_width = byte_num*8 */
2387 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2388 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2390 stride = stride_32bit_1; /* default rgb */
2391 fix->line_length = stride;
2392 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2394 /* x y mirror ,jump line
2395 * reg_win_data->reg_area_data[i].y_offset =
2396 * yoffset*stride+xoffset*pixel_width/8;
2398 if (screen->y_mirror || reg_win_data->mirror_en) {
2399 if (screen->interlace == 1) {
2400 reg_win_data->reg_area_data[i].y_offset =
2401 yoffset * stride * 2 +
2402 ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2403 xoffset * pixel_width / 8;
2405 reg_win_data->reg_area_data[i].y_offset =
2407 (reg_win_data->reg_area_data[i].yact - 1) * stride +
2408 xoffset * pixel_width / 8;
2411 if (screen->interlace == 1) {
2412 reg_win_data->reg_area_data[i].y_offset =
2413 yoffset * stride * 2 +
2414 xoffset * pixel_width / 8;
2416 reg_win_data->reg_area_data[i].y_offset =
2418 xoffset * pixel_width / 8;
2421 if (IS_RGB_FMT(fb_data_fmt) && dev_drv->iommu_enabled) {
2422 buff_len = yoffset * stride +
2423 xoffset * pixel_width / 8 +
2424 reg_win_data->reg_area_data[i].xvir *
2425 reg_win_data->reg_area_data[i].yact *
2427 reg_win_data->reg_area_data[i].xoff*
2429 if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2430 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2432 "=buff_len[0x%x]>>mmu len=0x%x\n",
2434 reg_win_data->reg_area_data[i].xvir,
2435 reg_win_data->reg_area_data[i].yact,
2436 pixel_width, buff_len,
2437 reg_win_data->reg_area_data[i].buff_len);
2441 global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2442 reg_win_data->alpha_en = ppixel_a | global_a;
2443 reg_win_data->g_alpha_val = win_par->g_alpha_val;
2444 reg_win_data->alpha_mode = win_par->alpha_mode;
2446 switch (fb_data_fmt) {
2450 stride = stride_32bit_1;
2451 uv_stride = stride_32bit_1;
2454 fix->line_length = stride;
2455 uv_y_act = win_par->area_par[0].yact >> 1;
2457 case YUV420: /* nv12 */
2458 case YUV420_NV21: /* nv21 */
2461 stride = stride_32bit_1;
2462 uv_stride = stride_32bit_1;
2464 uv_y_off = yoffset >> 1;
2465 fix->line_length = stride;
2466 uv_y_act = win_par->area_par[0].yact >> 1;
2471 stride = stride_32bit_1;
2472 uv_stride = stride_32bit_2;
2473 uv_x_off = xoffset * 2;
2475 fix->line_length = stride << 2;
2476 uv_y_act = win_par->area_par[0].yact;
2481 if (is_pic_yuv == 1) {
2482 reg_win_data->reg_area_data[0].cbr_start =
2483 reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2484 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2485 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2486 if (screen->interlace == 1) {
2487 reg_win_data->reg_area_data[0].c_offset =
2488 uv_y_off * uv_stride * 2 +
2489 ((uv_y_act - 1) * 2 + 1) * uv_stride +
2490 uv_x_off * pixel_width / 8;
2492 reg_win_data->reg_area_data[0].c_offset =
2493 uv_y_off * uv_stride +
2494 (uv_y_act - 1) * uv_stride +
2495 uv_x_off * pixel_width / 8;
2498 if (screen->interlace == 1) {
2499 reg_win_data->reg_area_data[0].c_offset =
2500 uv_y_off * uv_stride * 2 +
2501 uv_x_off * pixel_width / 8;
2503 reg_win_data->reg_area_data[0].c_offset =
2504 uv_y_off * uv_stride +
2505 uv_x_off * pixel_width / 8;
2508 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2509 uv_y_off * uv_stride + uv_x_off * pixel_width / 8 +
2510 reg_win_data->reg_area_data[0].xvir *
2511 reg_win_data->reg_area_data[0].yact *
2513 reg_win_data->reg_area_data[0].smem_start -
2514 reg_win_data->reg_area_data[0].xoff*
2516 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2517 dev_drv->iommu_enabled)
2518 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2520 "=buff_len[0x%x]>>mmu len=0x%x\n",
2522 reg_win_data->reg_area_data[0].xvir,
2523 reg_win_data->reg_area_data[0].yact,
2524 pixel_width, buff_len,
2525 reg_win_data->reg_area_data[0].buff_len);
2528 /* record buffer information for rk_fb_disp_scale to prevent fence
2529 * timeout because rk_fb_disp_scale will call function
2530 * info->fbops->fb_set_par(info);
2531 * delete by hjc for new hdmi overscan framework.
2533 /* info->var.yoffset = yoffset;
2534 * info->var.xoffset = xoffset;
2539 static int rk_fb_set_win_config(struct fb_info *info,
2540 struct rk_fb_win_cfg_data *win_data)
2542 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2543 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2544 struct rk_fb_reg_data *regs;
2546 struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2547 struct sync_fence *retire_fence;
2548 struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2549 struct sync_pt *retire_sync_pt;
2550 char fence_name[20];
2552 int ret = 0, i, j = 0;
2553 int list_is_empty = 0;
2554 struct rk_screen *screen = dev_drv->cur_screen;
2556 mutex_lock(&dev_drv->output_lock);
2558 for (i = 0; i < 4; i++) {
2559 for (j = 0; j < 4; j++) {
2560 if ((win_data->win_par[i].area_par[j].ion_fd > 0) ||
2561 (win_data->win_par[i].area_par[j].phy_addr > 0))
2562 ret += rk_fb_check_config_var(
2563 &win_data->win_par[i].area_par[j],
2567 if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
2568 dev_drv->timeline_max++;
2569 sw_sync_timeline_inc(dev_drv->timeline, 1);
2570 if (dev_drv->suspend_flag)
2571 pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
2572 else if (dev_drv->hdmi_switch)
2573 pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
2575 pr_err("error config ,ignore\n");
2576 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2577 win_data->rel_fence_fd[j] = -1;
2578 win_data->ret_fence_fd = -1;
2582 regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2584 pr_info("could not allocate rk_fb_reg_data\n");
2589 for (i = 0, j = 0; i < dev_drv->lcdc_win_num; i++) {
2590 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2591 if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2592 ®s->reg_win_data[j])) {
2594 pr_info("error:%s[%d]\n", __func__, __LINE__);
2597 if (regs->reg_win_data[j].area_num > 0) {
2600 regs->reg_win_data[j].area_buf_num;
2604 pr_info("error:win_id bigger than lcdc_win_num\n");
2605 pr_info("i=%d,win_id=%d\n", i,
2606 win_data->win_par[i].win_id);
2609 if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
2610 rk_fb_set_wb_buffer(info, &win_data->wb_cfg,
2611 ®s->reg_wb_data);
2612 if (regs->win_num <= 0)
2613 goto err_null_frame;
2615 dev_drv->timeline_max++;
2617 win_data->ret_fence_fd = get_unused_fd_flags(0);
2618 if (win_data->ret_fence_fd < 0) {
2619 pr_err("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2620 win_data->ret_fence_fd = -1;
2624 for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2625 if (i < regs->buf_num) {
2626 sprintf(fence_name, "fence%d", i);
2627 win_data->rel_fence_fd[i] = get_unused_fd_flags(0);
2628 if (win_data->rel_fence_fd[i] < 0) {
2629 pr_info("rel_fence_fd=%d\n",
2630 win_data->rel_fence_fd[i]);
2634 release_sync_pt[i] =
2635 sw_sync_pt_create(dev_drv->timeline,
2636 dev_drv->timeline_max);
2638 sync_fence_create(fence_name, release_sync_pt[i]);
2639 sync_fence_install(release_fence[i],
2640 win_data->rel_fence_fd[i]);
2642 win_data->rel_fence_fd[i] = -1;
2647 sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2648 retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2649 sync_fence_install(retire_fence, win_data->ret_fence_fd);
2651 for (i = 0; i < RK_MAX_BUF_NUM; i++)
2652 win_data->rel_fence_fd[i] = -1;
2654 win_data->ret_fence_fd = -1;
2656 if (dev_drv->wait_fs == 0) {
2657 mutex_lock(&dev_drv->update_regs_list_lock);
2658 list_add_tail(®s->list, &dev_drv->update_regs_list);
2659 mutex_unlock(&dev_drv->update_regs_list_lock);
2660 queue_kthread_work(&dev_drv->update_regs_worker,
2661 &dev_drv->update_regs_work);
2663 mutex_lock(&dev_drv->update_regs_list_lock);
2664 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2665 list_empty(&dev_drv->saved_list);
2666 mutex_unlock(&dev_drv->update_regs_list_lock);
2667 if (!list_is_empty) {
2668 ret = wait_event_timeout(dev_drv->update_regs_wait,
2669 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2670 msecs_to_jiffies(60));
2672 rk_fb_update_reg(dev_drv, regs);
2674 pr_info("%s: wait update_regs_wait timeout\n", __func__);
2675 } else if (ret == 0) {
2676 rk_fb_update_reg(dev_drv, regs);
2679 if (rk_fb_debug_lvl > 0)
2680 rk_fb_config_debug(dev_drv, win_data, regs, rk_fb_debug_lvl);
2681 if (rk_fb_iommu_debug > 0)
2682 rk_fb_config_backup(dev_drv, win_data, regs);
2684 mutex_unlock(&dev_drv->output_lock);
2687 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2688 win_data->rel_fence_fd[j] = -1;
2689 win_data->ret_fence_fd = -1;
2690 pr_info("win num = %d,null frame\n", regs->win_num);
2692 rk_fb_config_debug(dev_drv, win_data, regs, 0);
2694 mutex_unlock(&dev_drv->output_lock);
2700 static int cfgdone_distlist[10] = { 0 };
2702 static int cfgdone_index;
2703 static int cfgdone_lasttime;
2705 int rk_get_real_fps(int before)
2707 struct timespec now;
2713 int index = cfgdone_index;
2722 getnstimeofday(&now);
2723 dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2726 for (i = 0; i < 10; i++) {
2729 total += cfgdone_distlist[index];
2731 dist_first = cfgdone_distlist[index];
2732 if (total < (before * 1000)) {
2733 dist_total += cfgdone_distlist[index];
2740 dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2741 dist_total += dist_curr;
2745 fps = (1000000 * dist_count) / dist_total;
2751 EXPORT_SYMBOL(rk_get_real_fps);
2755 static struct ion_handle *ion_hanle[ION_MAX];
2756 static struct ion_handle *ion_hwc[1];
2757 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2760 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2761 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2762 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2763 struct fb_fix_screeninfo *fix = &info->fix;
2764 struct rk_lcdc_win *win;
2765 int enable; /* enable fb:1 enable;0 disable */
2766 int ovl; /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2767 int num_buf; /* buffer_number */
2769 struct rk_fb_win_cfg_data win_data;
2770 unsigned int dsp_addr[4][4];
2773 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2774 void __user *argp = (void __user *)arg;
2776 win = dev_drv->win[win_id];
2778 case RK_FBIOSET_HWC_ADDR:
2782 if (copy_from_user(hwc_phy, argp, 4))
2784 if (!dev_drv->iommu_enabled) {
2785 fix->smem_start = hwc_phy[0];
2788 struct ion_handle *hdl;
2789 ion_phys_addr_t phy_addr;
2792 usr_fd = hwc_phy[0];
2794 fix->smem_start = 0;
2795 fix->mmio_start = 0;
2796 dev_drv->ops->open(dev_drv, win_id, 0);
2800 if (ion_hwc[0] != 0) {
2801 ion_free(rk_fb->ion_client, ion_hwc[0]);
2805 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2807 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2812 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2813 (unsigned long *)&phy_addr,
2814 (unsigned long *)&len);
2816 dev_err(info->dev, "ion map to get hwc phy addr failed");
2817 ion_free(rk_fb->ion_client, hdl);
2820 fix->smem_start = phy_addr;
2825 case RK_FBIOSET_YUV_ADDR:
2829 if (copy_from_user(yuv_phy, argp, 8))
2831 if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2832 fix->smem_start = yuv_phy[0];
2833 fix->mmio_start = yuv_phy[1];
2835 int usr_fd, offset, tmp;
2836 struct ion_handle *hdl;
2837 ion_phys_addr_t phy_addr;
2840 usr_fd = yuv_phy[0];
2841 offset = yuv_phy[1] - yuv_phy[0];
2843 fix->smem_start = 0;
2844 fix->mmio_start = 0;
2848 if (ion_hanle[ION_MAX - 1] != 0) {
2849 /*ion_unmap_kernel(rk_fb->ion_client,
2850 * ion_hanle[ION_MAX - 1]);
2851 *ion_unmap_iommu(dev_drv->dev,
2852 * rk_fb->ion_client,
2853 * ion_hanle[ION_MAX - 1]);
2855 ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2856 ion_hanle[ION_MAX - 1] = 0;
2859 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2861 dev_err(info->dev, "failed to get ion handle:%ld\n",
2866 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2867 (unsigned long *)&phy_addr,
2868 (unsigned long *)&len);
2870 dev_err(info->dev, "ion map to get phy addr failed");
2871 ion_free(rk_fb->ion_client, hdl);
2874 fix->smem_start = phy_addr;
2875 fix->mmio_start = phy_addr + offset;
2876 fix->smem_len = len;
2877 /*info->screen_base =
2878 * ion_map_kernel(rk_fb->ion_client, hdl);
2881 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2882 ion_hanle[tmp] = ion_hanle[tmp - 1];
2887 case RK_FBIOSET_ENABLE:
2888 if (copy_from_user(&enable, argp, sizeof(enable)))
2890 if (enable && fb_par->state)
2894 dev_drv->ops->open(dev_drv, win_id, enable);
2896 case RK_FBIOGET_ENABLE:
2897 enable = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
2898 if (copy_to_user(argp, &enable, sizeof(enable)))
2901 case RK_FBIOSET_OVERLAY_STA:
2902 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2904 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2906 case RK_FBIOGET_OVERLAY_STA:
2907 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2908 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2911 case RK_FBIOPUT_NUM_BUFFERS:
2912 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2914 dev_drv->num_buf = num_buf;
2916 case RK_FBIOSET_VSYNC_ENABLE:
2917 if (copy_from_user(&enable, argp, sizeof(enable)))
2920 dev_drv->vsync_info.active++;
2922 dev_drv->vsync_info.active--;
2924 case RK_FBIOGET_DSP_ADDR:
2925 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2926 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2929 case RK_FBIOGET_LIST_STA:
2930 list_stat = rk_fb_get_list_stat(dev_drv);
2931 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2935 case RK_FBIOGET_IOMMU_STA:
2936 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2937 sizeof(dev_drv->iommu_enabled)))
2940 #if defined(CONFIG_ION_ROCKCHIP)
2941 case RK_FBIOSET_DMABUF_FD:
2944 struct ion_handle *hdl;
2945 ion_phys_addr_t phy_addr;
2948 if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2951 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2952 ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2953 fix->smem_start = phy_addr;
2956 case RK_FBIOGET_DMABUF_FD:
2960 if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2962 "get dma_buf fd failed,ion handle is err\n");
2963 return PTR_ERR(fb_par->ion_hdl);
2965 fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2969 "ion_share_dma_buf_fd failed\n");
2972 if (copy_to_user(argp, &fd, sizeof(fd)))
2977 case RK_FBIOSET_CLEAR_FB:
2978 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2980 case RK_FBIOSET_CONFIG_DONE:
2983 struct timespec now;
2985 getnstimeofday(&now);
2986 curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2987 cfgdone_distlist[cfgdone_index++] =
2988 curr - cfgdone_lasttime;
2989 cfgdone_lasttime = curr;
2990 if (cfgdone_index >= 10)
2993 if (is_car_camcap()) {
2996 for (i = 0; i < RK_MAX_BUF_NUM; i++)
2997 win_data.rel_fence_fd[i] = -1;
2999 win_data.ret_fence_fd = -1;
3002 if (copy_from_user(&win_data,
3003 (struct rk_fb_win_cfg_data __user *)argp,
3004 sizeof(win_data))) {
3009 dev_drv->wait_fs = win_data.wait_fs;
3010 ret = rk_fb_set_win_config(info, &win_data);
3013 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
3014 &win_data, sizeof(win_data))) {
3018 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
3020 if (dev_drv->uboot_logo)
3021 dev_drv->uboot_logo = 0;
3025 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
3032 static int rk_fb_blank(int blank_mode, struct fb_info *info)
3034 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3035 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3036 struct fb_fix_screeninfo *fix = &info->fix;
3038 #if defined(CONFIG_RK_HDMI)
3039 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
3042 if (is_car_camcap())
3044 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
3047 mutex_lock(&dev_drv->switch_screen);
3048 #if defined(CONFIG_RK_HDMI)
3049 if ((rk_fb->disp_mode == ONE_DUAL) &&
3050 (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
3051 pr_info("hdmi is connect , not blank lcdc\n");
3055 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
3057 mutex_unlock(&dev_drv->switch_screen);
3061 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
3063 if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
3064 (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
3065 ((16 != var->bits_per_pixel) &&
3066 (32 != var->bits_per_pixel) &&
3067 (24 != var->bits_per_pixel))) {
3068 dev_err(info->dev, "%s check var fail 1:\n"
3069 "xres_vir:%d>>yres_vir:%d\n"
3070 "xres:%d>>yres:%d\n"
3071 "bits_per_pixel:%d\n",
3075 var->xres, var->yres, var->bits_per_pixel);
3079 if (((var->xoffset + var->xres) > var->xres_virtual) ||
3080 ((var->yoffset + var->yres) > (var->yres_virtual))) {
3081 dev_err(info->dev, "%s check_var fail 2:\n"
3082 "xoffset:%d>>xres:%d>>xres_vir:%d\n"
3083 "yoffset:%d>>yres:%d>>yres_vir:%d\n",
3088 var->yoffset, var->yres, var->yres_virtual);
3095 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
3096 size_t count, loff_t *ppos)
3098 unsigned long p = *ppos;
3101 int c, cnt = 0, err = 0;
3102 unsigned long total_size;
3103 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3104 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3105 struct rk_lcdc_win *win = NULL;
3108 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3112 win = dev_drv->win[win_id];
3114 /* only read the current frame buffer */
3115 if (win->area[0].format == RGB565) {
3116 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
3117 } else if ((win->area[0].format == YUV420) ||
3118 (win->area[0].format == YUV420_NV21)) {
3120 (win->area[0].y_vir_stride * win->area[0].yact * 6);
3122 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
3124 if (p >= total_size)
3127 if (count >= total_size)
3130 if (count + p > total_size)
3131 count = total_size - p;
3133 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3137 src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3140 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3142 fb_memcpy_fromfb(dst, src, c);
3146 if (copy_to_user(buf, buffer, c)) {
3158 return (err) ? err : cnt;
3161 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
3162 size_t count, loff_t *ppos)
3164 unsigned long p = *ppos;
3167 int c, cnt = 0, err = 0;
3168 unsigned long total_size;
3169 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3170 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3171 struct rk_lcdc_win *win = NULL;
3174 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3178 win = dev_drv->win[win_id];
3180 /* write the current frame buffer */
3181 if (win->area[0].format == RGB565)
3182 total_size = win->area[0].xact * win->area[0].yact << 1;
3184 total_size = win->area[0].xact * win->area[0].yact << 2;
3189 if (count > total_size) {
3194 if (count + p > total_size) {
3198 count = total_size - p;
3201 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3205 dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3208 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3211 if (copy_from_user(src, buf, c)) {
3216 fb_memcpy_tofb(dst, src, c);
3227 return (cnt) ? cnt : err;
3230 static int rk_fb_set_par(struct fb_info *info)
3232 struct fb_var_screeninfo *var = &info->var;
3233 struct fb_fix_screeninfo *fix = &info->fix;
3234 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3235 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3236 struct rk_lcdc_win *win = NULL;
3237 struct rk_screen *screen = dev_drv->cur_screen;
3239 u16 xsize = 0, ysize = 0; /* winx display window height/width --->LCDC_WINx_DSP_INFO */
3240 u32 xoffset = var->xoffset; /* offset from virtual to visible */
3241 u32 yoffset = var->yoffset;
3242 u16 xpos = (var->nonstd >> 8) & 0xfff; /*visiable pos in panel */
3243 u16 ypos = (var->nonstd >> 20) & 0xfff;
3244 u32 xvir = var->xres_virtual;
3245 u8 data_format = var->nonstd & 0xff;
3249 u32 stride, uv_stride = 0;
3252 u16 uv_x_off, uv_y_off, uv_y_act;
3254 /*var->pixclock = dev_drv->pixclock;*/
3255 if (dev_drv->suspend_flag || is_car_camcap())
3257 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3261 win = dev_drv->win[win_id];
3263 /* if the application has specific the hor and ver display size */
3264 if (var->grayscale >> 8) {
3265 xsize = (var->grayscale >> 8) & 0xfff;
3266 ysize = (var->grayscale >> 20) & 0xfff;
3267 if (xsize > screen->mode.xres)
3268 xsize = screen->mode.xres;
3269 if (ysize > screen->mode.yres)
3270 ysize = screen->mode.yres;
3271 } else { /*ohterwise full screen display */
3272 xsize = screen->mode.xres;
3273 ysize = screen->mode.yres;
3276 win->colorspace = CSC_FORMAT(data_format);
3277 data_format &= ~CSC_MASK;
3278 fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
3279 if (IS_FBDC_FMT(fb_data_fmt)) {
3280 win->area[0].fbdc_en = 1;
3281 win->area[0].fbdc_cor_en = 1;
3283 win->area[0].fbdc_en = 0;
3284 win->area[0].fbdc_cor_en = 0;
3286 pixel_width = rk_fb_pixel_width(fb_data_fmt);
3287 vir_width_bit = pixel_width * xvir;
3288 /* pixel_width = byte_num * 8 */
3289 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3290 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3292 switch (fb_data_fmt) {
3296 stride = stride_32bit_1;
3297 uv_stride = stride_32bit_1;
3300 fix->line_length = stride;
3301 uv_y_act = win->area[0].yact >> 1;
3303 case YUV420: /* nv12 */
3304 case YUV420_NV21: /* nv21 */
3307 stride = stride_32bit_1;
3308 uv_stride = stride_32bit_1;
3310 uv_y_off = yoffset >> 1;
3311 fix->line_length = stride;
3312 uv_y_act = win->area[0].yact >> 1;
3317 stride = stride_32bit_1;
3318 uv_stride = stride_32bit_2;
3319 uv_x_off = xoffset * 2;
3321 fix->line_length = stride << 2;
3322 uv_y_act = win->area[0].yact;
3325 stride = stride_32bit_1; /* default rgb */
3326 fix->line_length = stride;
3330 win->area[0].format = fb_data_fmt;
3331 win->area[0].y_vir_stride = stride >> 2;
3332 win->area[0].uv_vir_stride = uv_stride >> 2;
3333 win->area[0].xpos = xpos;
3334 win->area[0].ypos = ypos;
3335 win->area[0].xsize = xsize;
3336 win->area[0].ysize = ysize;
3337 win->area[0].xact = var->xres; /* winx active window height,is a wint of vir */
3338 win->area[0].yact = var->yres;
3339 win->area[0].xvir = var->xres_virtual; /* virtual resolution stride --->LCDC_WINx_VIR */
3340 win->area[0].yvir = var->yres_virtual;
3341 win->area[0].xoff = xoffset;
3342 win->area[0].yoff = yoffset;
3345 win->last_state = 1;
3348 win->alpha_mode = 4; /* AB_SRC_OVER; */
3349 win->alpha_en = ((win->area[0].format == ARGB888) ||
3350 (win->area[0].format == FBDC_ARGB_888) ||
3351 (win->area[0].format == FBDC_ABGR_888) ||
3352 (win->area[0].format == ABGR888)) ? 1 : 0;
3353 win->g_alpha_val = 0;
3355 dev_drv->ops->set_par(dev_drv, win_id);
3360 static inline unsigned int chan_to_field(unsigned int chan,
3361 struct fb_bitfield *bf)
3364 chan >>= 16 - bf->length;
3365 return chan << bf->offset;
3368 static int fb_setcolreg(unsigned regno,
3369 unsigned red, unsigned green, unsigned blue,
3370 unsigned transp, struct fb_info *info)
3374 switch (info->fix.visual) {
3375 case FB_VISUAL_TRUECOLOR:
3376 /* true-colour, use pseudo-palette */
3378 u32 *pal = info->pseudo_palette;
3380 val = chan_to_field(red, &info->var.red);
3381 val |= chan_to_field(green, &info->var.green);
3382 val |= chan_to_field(blue, &info->var.blue);
3387 return -1; /* unknown type */
3393 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3395 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3396 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3397 struct ion_handle *handle = fb_par->ion_hdl;
3398 struct dma_buf *dma_buf = NULL;
3400 if (IS_ERR_OR_NULL(handle)) {
3401 dev_err(info->dev, "failed to get ion handle:%ld\n",
3405 dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3406 if (IS_ERR_OR_NULL(dma_buf)) {
3407 pr_info("get ion share dma buf failed\n");
3411 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3413 return dma_buf_mmap(dma_buf, vma, 0);
3416 static struct fb_ops fb_ops = {
3417 .owner = THIS_MODULE,
3418 .fb_open = rk_fb_open,
3419 .fb_release = rk_fb_close,
3420 .fb_check_var = rk_fb_check_var,
3421 .fb_set_par = rk_fb_set_par,
3422 .fb_blank = rk_fb_blank,
3423 .fb_ioctl = rk_fb_ioctl,
3424 .fb_compat_ioctl = rk_fb_ioctl,
3425 .fb_pan_display = rk_fb_pan_display,
3426 .fb_read = rk_fb_read,
3427 .fb_write = rk_fb_write,
3428 .fb_setcolreg = fb_setcolreg,
3429 .fb_fillrect = cfb_fillrect,
3430 .fb_copyarea = cfb_copyarea,
3431 .fb_imageblit = cfb_imageblit,
3434 static struct fb_var_screeninfo def_var = {
3435 #if defined(CONFIG_LOGO_LINUX_BMP)
3439 .transp = {0, 0, 0},
3440 .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3445 .transp = {0, 0, 0},
3446 .nonstd = HAL_PIXEL_FORMAT_RGB_565, /* (ypos<<20+xpos<<8+format) format */
3448 .grayscale = 0, /* (ysize<<20+xsize<<8) */
3449 .activate = FB_ACTIVATE_NOW,
3451 .vmode = FB_VMODE_NONINTERLACED,
3454 static struct fb_fix_screeninfo def_fix = {
3455 .type = FB_TYPE_PACKED_PIXELS,
3460 .accel = FB_ACCEL_NONE,
3461 .visual = FB_VISUAL_TRUECOLOR,
3465 static int rk_fb_wait_for_vsync_thread(void *data)
3467 struct rk_lcdc_driver *dev_drv = data;
3468 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3469 struct fb_info *fbi = rk_fb->fb[dev_drv->fb_index_base];
3471 while (!kthread_should_stop()) {
3472 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3473 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3474 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3475 (dev_drv->vsync_info.active > 0 || dev_drv->vsync_info.irq_stop));
3478 sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3484 static ssize_t rk_fb_vsync_show(struct device *dev,
3485 struct device_attribute *attr, char *buf)
3487 struct fb_info *fbi = dev_get_drvdata(dev);
3488 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3489 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3491 return scnprintf(buf, PAGE_SIZE, "%llu\n",
3492 ktime_to_ns(dev_drv->vsync_info.timestamp));
3495 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3498 * this two function is for other module that in the kernel which
3499 * need show image directly through fb
3500 * fb_id:we have 4 fb here,default we use fb0 for ui display
3502 struct fb_info *rk_get_fb(int fb_id)
3504 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3505 struct fb_info *fb = inf->fb[fb_id];
3508 EXPORT_SYMBOL(rk_get_fb);
3510 void rk_direct_fb_show(struct fb_info *fbi)
3513 rk_fb_pan_display(&fbi->var, fbi);
3515 EXPORT_SYMBOL(rk_direct_fb_show);
3517 int rk_fb_dpi_open(bool open)
3519 struct rk_lcdc_driver *dev_drv = NULL;
3521 dev_drv = rk_get_prmry_lcdc_drv();
3522 if (dev_drv->ops->dpi_open)
3523 dev_drv->ops->dpi_open(dev_drv, open);
3527 int rk_fb_dpi_win_sel(int win_id)
3529 struct rk_lcdc_driver *dev_drv = NULL;
3531 dev_drv = rk_get_prmry_lcdc_drv();
3532 if (dev_drv->ops->dpi_win_sel)
3533 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3537 int rk_fb_dpi_status(void)
3540 struct rk_lcdc_driver *dev_drv = NULL;
3542 dev_drv = rk_get_prmry_lcdc_drv();
3543 if (dev_drv->ops->dpi_status)
3544 ret = dev_drv->ops->dpi_status(dev_drv);
3550 * function: this function will be called by display device, enable/disable lcdc
3551 * @screen: screen timing to be set to lcdc
3552 * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3553 * @lcdc_id: the lcdc id the display device attached ,0 or 1
3555 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3557 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3558 struct fb_info *info = NULL;
3559 struct rk_fb_par *fb_par = NULL;
3560 struct rk_lcdc_driver *dev_drv = NULL;
3561 struct rk_lcdc_win *win;
3564 static bool load_screen;
3568 int ret, list_is_empty = 0;
3570 if (unlikely(!rk_fb) || unlikely(!screen))
3573 /* get lcdc driver */
3574 sprintf(name, "lcdc%d", lcdc_id);
3575 dev_drv = rk_get_lcdc_drv(name);
3577 if (dev_drv == NULL) {
3578 pr_err("%s driver not found!", name);
3581 if (screen->type == SCREEN_HDMI)
3582 pr_info("hdmi %s lcdc%d\n",
3583 enable ? "connect to" : "remove from",
3585 else if (screen->type == SCREEN_TVOUT ||
3586 screen->type == SCREEN_TVOUT_TEST)
3587 pr_info("cvbs %s lcdc%d\n",
3588 enable ? "connect to" : "remove from",
3590 if (enable == 2 /*&& dev_drv->enable*/)
3592 pr_info("switch:en=%d,lcdc_id=%d,screen type=%d,cur type=%d\n",
3593 enable, lcdc_id, screen->type, dev_drv->cur_screen->type);
3595 mutex_lock(&dev_drv->switch_screen);
3596 dev_drv->hot_plug_state = enable;
3597 hdmi_switch_state = 0;
3598 dev_drv->hdmi_switch = 1;
3599 if (!dev_drv->uboot_logo) {
3601 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
3602 list_empty(&dev_drv->saved_list);
3603 if (!list_is_empty) {
3604 ret = wait_event_timeout(dev_drv->update_regs_wait,
3605 list_empty(&dev_drv->update_regs_list) &&
3606 list_empty(&dev_drv->saved_list),
3607 msecs_to_jiffies(60));
3609 pr_info("%s: wait update_regs_wait timeout\n",
3614 envp[0] = "switch vop screen";
3615 memset(envplcdc, 0, sizeof(envplcdc));
3616 memset(envpfbdev, 0, sizeof(envpfbdev));
3617 sprintf(envplcdc, "SCREEN=%d,ENABLE=%d,VOPID=%d", screen->type, enable, dev_drv->id);
3618 sprintf(envpfbdev, "FBDEV=%d", dev_drv->fb_index_base);
3620 envp[2] = envpfbdev;
3623 if ((rk_fb->disp_mode == ONE_DUAL) ||
3624 (rk_fb->disp_mode == NO_DUAL)) {
3625 if ((dev_drv->ops->backlight_close) &&
3626 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3627 dev_drv->ops->backlight_close(dev_drv, 1);
3628 if (!dev_drv->uboot_logo || load_screen ||
3629 (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3630 if (dev_drv->ops->dsp_black)
3631 dev_drv->ops->dsp_black(dev_drv, 0);
3633 if ((dev_drv->ops->set_screen_scaler) &&
3634 (rk_fb->disp_mode == ONE_DUAL))
3635 dev_drv->ops->set_screen_scaler(dev_drv,
3636 dev_drv->screen0, 0);
3639 /* if screen type is different, we do not disable lcdc. */
3640 if (dev_drv->cur_screen->type != screen->type) {
3641 dev_drv->hdmi_switch = 0;
3642 mutex_unlock(&dev_drv->switch_screen);
3646 /* if used one lcdc to dual disp, no need to close win */
3647 if ((rk_fb->disp_mode == ONE_DUAL) ||
3648 ((rk_fb->disp_mode == NO_DUAL) &&
3649 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))) {
3650 dev_drv->cur_screen = dev_drv->screen0;
3651 dev_drv->ops->load_screen(dev_drv, 1);
3652 /* force modify dsp size */
3653 info = rk_fb->fb[dev_drv->fb_index_base];
3654 info->var.grayscale &= 0xff;
3655 info->var.grayscale |=
3656 (dev_drv->cur_screen->mode.xres << 8) +
3657 (dev_drv->cur_screen->mode.yres << 20);
3658 mutex_lock(&dev_drv->win_config);
3659 info->var.xoffset = 0;
3660 info->var.yoffset = 0;
3661 info->fbops->fb_set_par(info);
3662 info->fbops->fb_pan_display(&info->var, info);
3663 mutex_unlock(&dev_drv->win_config);
3666 * if currently is loader display, black until new
3669 if (dev_drv->uboot_logo) {
3670 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3671 if (dev_drv->win[i] && dev_drv->win[i]->state &&
3672 dev_drv->ops->win_direct_en)
3673 dev_drv->ops->win_direct_en(dev_drv, i, 0);
3677 /*if (dev_drv->ops->dsp_black)
3678 * dev_drv->ops->dsp_black(dev_drv, 0);
3680 if ((dev_drv->ops->backlight_close) &&
3681 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3682 dev_drv->ops->backlight_close(dev_drv, 0);
3683 } else if (rk_fb->num_lcdc > 1) {
3684 /* If there is more than one lcdc device, we disable
3685 * the layer which attached to this device
3687 flush_kthread_worker(&dev_drv->update_regs_worker);
3688 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3689 if (dev_drv->win[i] && dev_drv->win[i]->state)
3690 dev_drv->ops->open(dev_drv, i, 0);
3693 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3695 hdmi_switch_state = 0;
3696 dev_drv->hdmi_switch = 0;
3697 mutex_unlock(&dev_drv->switch_screen);
3700 if (load_screen || (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3701 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3702 if (dev_drv->win[i] && dev_drv->win[i]->state &&
3703 dev_drv->ops->win_direct_en)
3704 dev_drv->ops->win_direct_en(dev_drv, i, 0);
3707 if (dev_drv->uboot_logo) {
3708 if (dev_drv->cur_screen->mode.xres !=
3709 screen->mode.xres ||
3710 dev_drv->cur_screen->mode.yres !=
3714 if (dev_drv->screen1)
3715 dev_drv->cur_screen = dev_drv->screen1;
3717 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3718 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3719 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3720 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3721 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3724 if (!dev_drv->uboot_logo || load_screen ||
3725 (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3726 info = rk_fb->fb[dev_drv->fb_index_base];
3727 fb_par = (struct rk_fb_par *)info->par;
3729 win = dev_drv->win[win_id];
3730 if (win && fb_par->state) {
3731 dev_drv->ops->load_screen(dev_drv, 1);
3732 info->var.activate |= FB_ACTIVATE_FORCE;
3733 if (rk_fb->disp_mode == ONE_DUAL) {
3734 info->var.grayscale &= 0xff;
3735 info->var.grayscale |=
3736 (dev_drv->cur_screen->xsize << 8) +
3737 (dev_drv->cur_screen->ysize << 20);
3739 if (dev_drv->uboot_logo && win->state) {
3740 if (win->area[0].xpos ||
3741 win->area[0].ypos) {
3743 (screen->mode.xres -
3744 win->area[0].xsize) / 2;
3746 (screen->mode.yres -
3747 win->area[0].ysize) / 2;
3749 win->area[0].xsize = screen->mode.xres;
3750 win->area[0].ysize = screen->mode.yres;
3752 dev_drv->ops->set_par(dev_drv, i);
3753 dev_drv->ops->cfg_done(dev_drv);
3754 } else if (!dev_drv->win[win_id]->state) {
3755 dev_drv->ops->open(dev_drv, win_id, 1);
3756 info->fbops->fb_pan_display(&info->var, info);
3760 dev_drv->ops->load_screen(dev_drv, 0);
3762 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3764 hdmi_switch_state = 1;
3766 dev_drv->hdmi_switch = 0;
3767 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3768 if ((dev_drv->ops->set_screen_scaler) &&
3769 (rk_fb->disp_mode == ONE_DUAL))
3770 dev_drv->ops->set_screen_scaler(dev_drv,
3771 dev_drv->screen0, 1);
3772 /*if (dev_drv->ops->dsp_black)
3773 * dev_drv->ops->dsp_black(dev_drv, 0);*/
3774 if ((dev_drv->ops->backlight_close) &&
3775 (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3776 (rk_fb->disp_mode == ONE_DUAL))
3777 dev_drv->ops->backlight_close(dev_drv, 0);
3779 mutex_unlock(&dev_drv->switch_screen);
3784 * function:this function current only called by hdmi for
3786 * scale_x: scale rate of x resolution
3787 * scale_y: scale rate of y resolution
3788 * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3790 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3792 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3793 struct fb_info *info = NULL;
3794 struct fb_info *pmy_info = NULL;
3795 struct fb_var_screeninfo *var = NULL;
3796 struct rk_lcdc_driver *dev_drv = NULL;
3797 u16 screen_x, screen_y;
3800 struct rk_screen primary_screen;
3802 rk_fb_get_prmry_screen(&primary_screen);
3803 if (primary_screen.type == SCREEN_HDMI)
3806 pr_err("should not be here--%s\n", __func__);
3809 sprintf(name, "lcdc%d", lcdc_id);
3811 if (inf->disp_mode == DUAL) {
3812 dev_drv = rk_get_lcdc_drv(name);
3814 pr_err("%s driver not found!", name);
3818 dev_drv = inf->lcdc_dev_drv[0];
3821 if (inf->num_lcdc == 1) {
3823 } else if (inf->num_lcdc == 2) {
3824 info = inf->fb[dev_drv->lcdc_win_num];
3825 pmy_info = inf->fb[0];
3829 screen_x = dev_drv->cur_screen->mode.xres;
3830 screen_y = dev_drv->cur_screen->mode.yres;
3832 if (inf->disp_mode != DUAL && dev_drv->screen1) {
3833 dev_drv->cur_screen->xpos =
3834 (screen_x - screen_x * scale_x / 100) >> 1;
3835 dev_drv->cur_screen->ypos =
3836 (screen_y - screen_y * scale_y / 100) >> 1;
3837 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3838 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3840 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3841 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3842 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3843 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3844 if (inf->disp_mode == ONE_DUAL) {
3845 var->nonstd &= 0xff;
3846 var->nonstd |= (xpos << 8) + (ypos << 20);
3847 var->grayscale &= 0xff;
3849 (dev_drv->cur_screen->xsize << 8) +
3850 (dev_drv->cur_screen->ysize << 20);
3854 mutex_lock(&dev_drv->win_config);
3855 info->fbops->fb_set_par(info);
3856 dev_drv->ops->cfg_done(dev_drv);
3857 mutex_unlock(&dev_drv->win_config);
3862 #if defined(CONFIG_ION_ROCKCHIP)
3863 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3864 struct rk_lcdc_win *win,
3865 unsigned long fb_mem_size)
3867 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3868 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3869 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3870 struct ion_handle *handle;
3871 ion_phys_addr_t phy_addr;
3875 if (dev_drv->iommu_enabled)
3876 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3877 ION_HEAP_SYSTEM_MASK, 0);
3879 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3880 ION_HEAP_TYPE_DMA_MASK, 0);
3882 if (IS_ERR(handle)) {
3883 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3888 fb_par->ion_hdl = handle;
3889 win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3890 if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3891 pr_info("ion_share_dma_buf() failed\n");
3892 goto err_share_dma_buf;
3894 win->area[0].ion_hdl = handle;
3895 if (dev_drv->prop == PRMRY)
3896 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3897 if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3898 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3899 (unsigned long *)&phy_addr,
3900 (unsigned long *)&len);
3902 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3904 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3905 goto err_share_dma_buf;
3907 fbi->fix.smem_start = phy_addr;
3908 fbi->fix.smem_len = len;
3909 pr_info("alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3913 ion_free(rk_fb->ion_client, handle);
3918 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3920 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3921 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3922 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3923 struct rk_lcdc_win *win = NULL;
3926 unsigned long fb_mem_size;
3927 #if !defined(CONFIG_ION_ROCKCHIP)
3928 dma_addr_t fb_mem_phys;
3931 ion_phys_addr_t phy_addr;
3934 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3938 win = dev_drv->win[win_id];
3940 if (!strcmp(fbi->fix.id, "fb0")) {
3941 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3942 #if defined(CONFIG_ION_ROCKCHIP)
3943 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3946 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3947 &fb_mem_phys, GFP_KERNEL);
3949 pr_err("%s: Failed to allocate framebuffer\n",
3953 fbi->fix.smem_len = fb_mem_size;
3954 fbi->fix.smem_start = fb_mem_phys;
3955 fbi->screen_base = fb_mem_virt;
3957 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3959 if (dev_drv->prop == EXTEND && dev_drv->iommu_enabled) {
3960 struct rk_lcdc_driver *dev_drv_prmry;
3963 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3964 #if defined(CONFIG_ION_ROCKCHIP)
3965 dev_drv_prmry = rk_get_prmry_lcdc_drv();
3966 if (dev_drv_prmry == NULL)
3969 dev_drv_prmry->ops->fb_get_win_id(dev_drv_prmry,
3971 if (win_id_prmry < 0)
3975 dev_drv_prmry->win[win_id_prmry]->area[0].ion_hdl;
3977 ion_map_kernel(rk_fb->ion_client,
3979 dev_drv->win[win_id]->area[0].ion_hdl =
3981 if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3982 ret = ion_map_iommu(dev_drv->dev,
3985 (unsigned long *)&phy_addr,
3986 (unsigned long *)&len);
3988 ret = ion_phys(rk_fb->ion_client,
3992 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3995 fbi->fix.smem_start = phy_addr;
3996 fbi->fix.smem_len = len;
3998 fb_mem_virt = dma_alloc_writecombine(fbi->dev,
4003 pr_err("%s: Failed to allocate framebuffer\n",
4007 fbi->fix.smem_len = fb_mem_size;
4008 fbi->fix.smem_start = fb_mem_phys;
4009 fbi->screen_base = fb_mem_virt;
4012 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
4013 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
4014 fbi->screen_base = rk_fb->fb[0]->screen_base;
4018 fbi->screen_size = fbi->fix.smem_len;
4019 fb_par->fb_phy_base = fbi->fix.smem_start;
4020 fb_par->fb_virt_base = fbi->screen_base;
4021 fb_par->fb_size = fbi->fix.smem_len;
4023 pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
4024 fbi->fix.smem_start, fbi->screen_base,
4030 static int rk_release_fb_buffer(struct fb_info *fbi)
4032 /* buffer for fb1 and fb3 are alloc by android */
4033 if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
4035 iounmap(fbi->screen_base);
4036 release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
4041 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
4042 struct rk_lcdc_win *def_win)
4045 int lcdc_win_num = dev_drv->lcdc_win_num;
4047 for (i = 0; i < lcdc_win_num; i++) {
4048 struct rk_lcdc_win *win = NULL;
4050 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
4052 dev_err(dev_drv->dev, "kzmalloc for win fail!");
4056 strcpy(win->name, def_win[i].name);
4057 win->id = def_win[i].id;
4058 win->support_3d = def_win[i].support_3d;
4059 win->property.feature = def_win[i].property.feature;
4060 win->property.max_input_x = def_win[i].property.max_input_x;
4061 win->property.max_input_y = def_win[i].property.max_input_y;
4062 dev_drv->win[i] = win;
4068 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
4069 struct rk_lcdc_win *def_win, int index)
4071 struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
4072 struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
4073 sizeof(struct rk_screen),
4078 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
4083 screen->screen_id = 0;
4084 screen->lcdc_id = dev_drv->id;
4085 screen->overscan.left = 100;
4086 screen->overscan.top = 100;
4087 screen->overscan.right = 100;
4088 screen->overscan.bottom = 100;
4090 screen->x_mirror = !!(dev_drv->rotate_mode & X_MIRROR);
4091 screen->y_mirror = !!(dev_drv->rotate_mode & Y_MIRROR);
4093 dev_drv->screen0 = screen;
4094 dev_drv->cur_screen = screen;
4095 /* devie use one lcdc + rk61x scaler for dual display */
4096 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
4097 struct rk_screen *screen1 =
4098 devm_kzalloc(dev_drv->dev,
4099 sizeof(struct rk_screen),
4102 dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
4106 screen1->screen_id = 1;
4107 screen1->lcdc_id = 1;
4108 dev_drv->screen1 = screen1;
4110 sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
4111 init_lcdc_win(dev_drv, def_win);
4112 init_completion(&dev_drv->frame_done);
4113 spin_lock_init(&dev_drv->cpl_lock);
4114 mutex_init(&dev_drv->fb_win_id_mutex);
4115 mutex_init(&dev_drv->win_config);
4116 mutex_init(&dev_drv->front_lock);
4117 mutex_init(&dev_drv->switch_screen);
4118 dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
4119 dev_drv->first_frame = 1;
4120 dev_drv->overscan.left = 100;
4121 dev_drv->overscan.top = 100;
4122 dev_drv->overscan.right = 100;
4123 dev_drv->overscan.bottom = 100;
4124 for (i = 0; i < RK30_MAX_LAYER_SUPPORT; i++)
4125 dev_drv->area_support[i] = 1;
4126 if (dev_drv->ops->area_support_num)
4127 dev_drv->ops->area_support_num(dev_drv, dev_drv->area_support);
4128 rk_disp_pwr_ctr_parse_dt(dev_drv);
4129 if (dev_drv->prop == PRMRY) {
4130 rk_fb_set_prmry_screen(screen);
4131 rk_fb_get_prmry_screen(screen);
4133 dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
4134 if (dev_drv->prop != PRMRY)
4135 rk_fb_get_extern_screen(screen);
4136 dev_drv->output_color = screen->color_mode;
4141 #ifdef CONFIG_LOGO_LINUX_BMP
4142 static struct linux_logo *bmp_logo;
4143 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
4145 bmp_logo = fb_find_logo(24);
4146 if (bmp_logo == NULL) {
4147 pr_info("%s error\n", __func__);
4153 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
4155 unsigned char *src = bmp_logo->data;
4156 unsigned char *dst = info->screen_base;
4158 unsigned int needwidth = (*(src - 24) << 8) | (*(src - 23));
4159 unsigned int needheight = (*(src - 22) << 8) | (*(src - 21));
4161 for (i = 0; i < needheight; i++)
4162 memcpy(dst + info->var.xres * i * 4,
4163 src + bmp_logo->width * i * 4, needwidth * 4);
4168 * check if the primary lcdc has registered,
4169 * the primary lcdc mas register first
4171 bool is_prmry_rk_lcdc_registered(void)
4173 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4175 if (rk_fb->lcdc_dev_drv[0])
4181 phys_addr_t uboot_logo_base;
4182 phys_addr_t uboot_logo_size;
4183 phys_addr_t uboot_logo_offset;
4185 static int __init rockchip_uboot_mem_late_init(void)
4189 if (uboot_logo_size) {
4190 void *start = phys_to_virt(uboot_logo_base);
4191 void *end = phys_to_virt(uboot_logo_base + uboot_logo_size);
4193 err = memblock_free(uboot_logo_base, uboot_logo_size);
4195 pr_err("%s: freeing memblock failed: %d\n",
4197 free_reserved_area(start, end, -1, "logo");
4202 late_initcall(rockchip_uboot_mem_late_init);
4204 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
4205 struct rk_lcdc_win *win, int id)
4207 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4208 struct fb_info *fbi;
4209 struct rk_fb_par *fb_par = NULL;
4210 int i = 0, ret = 0, index = 0;
4211 unsigned long flags;
4212 char time_line_name[16];
4215 if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
4218 for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
4219 if (!rk_fb->lcdc_dev_drv[i]) {
4220 rk_fb->lcdc_dev_drv[i] = dev_drv;
4221 rk_fb->lcdc_dev_drv[i]->id = id;
4228 init_lcdc_device_driver(rk_fb, win, index);
4229 dev_drv->fb_index_base = rk_fb->num_fb;
4230 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
4231 fbi = framebuffer_alloc(0, &fb_pdev->dev);
4233 dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
4236 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
4239 dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
4243 fb_par->id = rk_fb->num_fb;
4244 fb_par->lcdc_drv = dev_drv;
4245 fbi->par = (void *)fb_par;
4248 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
4249 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
4250 if (dev_drv->dsp_mode == ONE_VOP_DUAL_MIPI_VER_SCAN) {
4253 fbi->var.xres_virtual /= 2;
4254 fbi->var.yres_virtual *= 2;
4256 fbi->var.width = dev_drv->cur_screen->width;
4257 fbi->var.height = dev_drv->cur_screen->height;
4258 fbi->var.grayscale |=
4259 (fbi->var.xres << 8) + (fbi->var.yres << 20);
4260 #if defined(CONFIG_LOGO_LINUX_BMP)
4261 fbi->var.bits_per_pixel = 32;
4263 fbi->var.bits_per_pixel = 16;
4265 fbi->fix.line_length =
4266 (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
4267 if (dev_drv->iommu_enabled)
4268 fb_ops.fb_mmap = rk_fb_mmap;
4269 fbi->fbops = &fb_ops;
4270 fbi->flags = FBINFO_FLAG_DEFAULT;
4271 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
4272 ret = register_framebuffer(fbi);
4274 dev_err(&fb_pdev->dev,
4275 "%s fb%d register_framebuffer fail!\n",
4276 __func__, rk_fb->num_fb);
4279 rkfb_create_sysfs(fbi);
4280 rk_fb->fb[rk_fb->num_fb] = fbi;
4281 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
4286 init_waitqueue_head(&dev_drv->vsync_info.wait);
4287 init_waitqueue_head(&dev_drv->update_regs_wait);
4288 ret = device_create_file(fbi->dev, &dev_attr_vsync);
4291 "failed to create vsync file\n");
4292 dev_drv->vsync_info.thread =
4293 kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
4295 if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
4297 "failed to run vsync thread\n");
4298 dev_drv->vsync_info.thread = NULL;
4300 dev_drv->vsync_info.active = 1;
4302 mutex_init(&dev_drv->output_lock);
4304 INIT_LIST_HEAD(&dev_drv->update_regs_list);
4305 INIT_LIST_HEAD(&dev_drv->saved_list);
4306 mutex_init(&dev_drv->update_regs_list_lock);
4307 init_kthread_worker(&dev_drv->update_regs_worker);
4309 dev_drv->update_regs_thread =
4310 kthread_run(kthread_worker_fn,
4311 &dev_drv->update_regs_worker, "rk-fb");
4312 if (IS_ERR(dev_drv->update_regs_thread)) {
4313 int err = PTR_ERR(dev_drv->update_regs_thread);
4315 dev_drv->update_regs_thread = NULL;
4316 pr_info("failed to run update_regs thread\n");
4319 init_kthread_work(&dev_drv->update_regs_work,
4320 rk_fb_update_regs_handler);
4322 snprintf(time_line_name, sizeof(time_line_name),
4323 "vop%d-timeline", id);
4325 sw_sync_timeline_create(time_line_name);
4326 dev_drv->timeline_max = 1;
4330 /* show logo for primary display device */
4331 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
4332 if (dev_drv->prop == PRMRY) {
4336 struct fb_info *main_fbi = rk_fb->fb[0];
4338 main_fbi->fbops->fb_open(main_fbi, 1);
4339 main_fbi->var.pixclock = dev_drv->pixclock;
4340 if (dev_drv->iommu_enabled) {
4341 if (dev_drv->mmu_dev)
4342 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4343 rk_fb_sysmmu_fault_handler);
4346 rk_fb_alloc_buffer(main_fbi); /* only alloc memory for main fb */
4347 dev_drv->uboot_logo = support_uboot_display();
4349 if (dev_drv->uboot_logo &&
4350 uboot_logo_offset && uboot_logo_base) {
4351 int width, height, bits, xvir;
4352 phys_addr_t start = uboot_logo_base + uboot_logo_offset;
4353 unsigned int size = uboot_logo_size - uboot_logo_offset;
4354 unsigned int nr_pages;
4356 struct page **pages;
4358 int logo_len, i = 0;
4360 if (dev_drv->ops->get_dspbuf_info)
4361 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4362 &yact, &format, &dsp_addr, &ymirror);
4363 logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
4364 nr_pages = size >> PAGE_SHIFT;
4365 pages = kzalloc(sizeof(struct page) * nr_pages,
4367 while (i < nr_pages) {
4368 pages[i] = phys_to_page(start);
4372 vaddr = vmap(pages, nr_pages, VM_MAP, PAGE_KERNEL);
4374 pr_err("failed to vmap phy addr 0x%lx\n",
4375 (long)(uboot_logo_base +
4376 uboot_logo_offset));
4380 if (bmpdecoder(vaddr, main_fbi->screen_base, &width,
4388 if (dev_drv->uboot_logo &&
4389 (width != xact || height != yact)) {
4390 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
4391 xact, yact, width, height);
4394 xvir = ALIGN(width * bits, 1 << 5) >> 5;
4396 local_irq_save(flags);
4397 if (dev_drv->ops->wait_frame_start)
4398 dev_drv->ops->wait_frame_start(dev_drv, 0);
4399 mirror = ymirror || dev_drv->cur_screen->y_mirror;
4400 if (dev_drv->ops->post_dspbuf) {
4401 dev_drv->ops->post_dspbuf(dev_drv,
4402 main_fbi->fix.smem_start +
4403 (mirror ? logo_len : 0),
4404 rk_fb_data_fmt(0, bits),
4405 width, height, xvir,
4408 if (dev_drv->iommu_enabled) {
4409 rk_fb_poll_wait_frame_complete();
4410 if (dev_drv->ops->mmu_en)
4411 dev_drv->ops->mmu_en(dev_drv);
4414 local_irq_restore(flags);
4416 } else if (dev_drv->uboot_logo && uboot_logo_base) {
4417 u32 start = uboot_logo_base;
4418 int logo_len, i = 0;
4420 unsigned int nr_pages;
4421 struct page **pages;
4423 int align = 0, xvir;
4425 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4429 logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
4430 if (logo_len > uboot_logo_size ||
4431 logo_len > main_fbi->fix.smem_len) {
4432 pr_err("logo size > uboot reserve buffer size\n");
4438 align = start % PAGE_SIZE;
4440 nr_pages = PAGE_ALIGN(logo_len + align) >> PAGE_SHIFT;
4441 pages = kzalloc(sizeof(struct page) * nr_pages,
4443 while (i < nr_pages) {
4444 pages[i] = phys_to_page(start);
4448 vaddr = vmap(pages, nr_pages, VM_MAP, PAGE_KERNEL);
4450 pr_err("failed to vmap phy addr 0x%x\n",
4455 memcpy(main_fbi->screen_base, vaddr + align, logo_len);
4459 xvir = ALIGN(xact * rk_fb_pixel_width(format),
4461 local_irq_save(flags);
4462 if (dev_drv->ops->wait_frame_start)
4463 dev_drv->ops->wait_frame_start(dev_drv, 0);
4464 mirror = y_mirror || dev_drv->cur_screen->y_mirror;
4465 dev_drv->ops->post_dspbuf(dev_drv,
4466 main_fbi->fix.smem_start +
4467 (mirror ? logo_len : 0),
4471 if (dev_drv->iommu_enabled) {
4472 rk_fb_poll_wait_frame_complete();
4473 if (dev_drv->ops->mmu_en)
4474 dev_drv->ops->mmu_en(dev_drv);
4477 local_irq_restore(flags);
4480 if (dev_drv->iommu_enabled) {
4481 if (dev_drv->ops->mmu_en)
4482 dev_drv->ops->mmu_en(dev_drv);
4486 #if defined(CONFIG_LOGO)
4487 main_fbi->fbops->fb_set_par(main_fbi);
4488 #if defined(CONFIG_LOGO_LINUX_BMP)
4489 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
4490 fb_set_cmap(&main_fbi->cmap, main_fbi);
4491 fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
4494 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
4495 fb_set_cmap(&main_fbi->cmap, main_fbi);
4496 fb_show_logo(main_fbi, FB_ROTATE_UR);
4499 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
4502 struct fb_info *extend_fbi = rk_fb->fb[dev_drv->fb_index_base];
4504 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
4505 if (rk_fb->disp_mode == DUAL_LCD) {
4506 extend_fbi->fbops->fb_open(extend_fbi, 1);
4507 if (dev_drv->iommu_enabled) {
4508 if (dev_drv->mmu_dev)
4509 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4510 rk_fb_sysmmu_fault_handler);
4512 rk_fb_alloc_buffer(extend_fbi);
4519 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
4521 struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
4522 struct fb_info *fbi;
4523 int fb_index_base = dev_drv->fb_index_base;
4524 int fb_num = dev_drv->lcdc_win_num;
4527 if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4528 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4529 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4532 for (i = 0; i < fb_num; i++)
4533 kfree(dev_drv->win[i]);
4535 for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4536 fbi = fb_inf->fb[i];
4537 unregister_framebuffer(fbi);
4538 /* rk_release_fb_buffer(fbi); */
4539 framebuffer_release(fbi);
4541 fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4547 int rk_fb_set_car_reverse_status(struct rk_lcdc_driver *dev_drv,
4550 char *envp[3] = {"Request", "FORCE UPDATE", NULL};
4554 flush_kthread_worker(&dev_drv->update_regs_worker);
4555 dev_drv->timeline_max++;
4557 sw_sync_timeline_inc(dev_drv->timeline, 1);
4559 pr_debug("%s: camcap reverse start...\n", __func__);
4562 kobject_uevent_env(&dev_drv->dev->kobj,
4564 pr_debug("%s: camcap reverse finish...\n", __func__);
4570 static int rk_fb_probe(struct platform_device *pdev)
4572 struct rk_fb *rk_fb = NULL;
4573 struct device_node *np = pdev->dev.of_node;
4575 struct device_node *node;
4578 dev_err(&pdev->dev, "Missing device tree node.\n");
4582 rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4584 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4587 platform_set_drvdata(pdev, rk_fb);
4589 if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4590 rk_fb->disp_mode = mode;
4593 dev_err(&pdev->dev, "no disp-mode node found!");
4597 if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
4598 rk_fb->disp_policy = mode;
4599 pr_info("fb disp policy is %s\n",
4600 rk_fb->disp_policy ? "box" : "sdk");
4603 if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4604 pr_info("uboot-logo-on:%d\n", uboot_logo_on);
4606 dev_set_name(&pdev->dev, "rockchip-fb");
4607 #if defined(CONFIG_ION_ROCKCHIP)
4608 rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4609 if (IS_ERR(rk_fb->ion_client)) {
4610 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4611 return PTR_ERR(rk_fb->ion_client);
4613 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4617 node = of_parse_phandle(np, "memory-region", 0);
4621 ret = of_address_to_resource(node, 0, &r);
4625 if (uboot_logo_on) {
4626 uboot_logo_base = r.start;
4627 uboot_logo_size = resource_size(&r);
4629 if (uboot_logo_size > SZ_16M)
4630 uboot_logo_offset = SZ_16M;
4632 uboot_logo_offset = 0;
4634 pr_info("logo: base=0x%llx, size=0x%llx, offset=0x%llx\n",
4635 uboot_logo_base, uboot_logo_size, uboot_logo_offset);
4639 dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4643 static int rk_fb_remove(struct platform_device *pdev)
4645 platform_set_drvdata(pdev, NULL);
4649 static void rk_fb_shutdown(struct platform_device *pdev)
4651 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4654 for (i = 0; i < rk_fb->num_lcdc; i++) {
4655 if (!rk_fb->lcdc_dev_drv[i])
4657 sw_sync_timeline_inc(rk_fb->lcdc_dev_drv[i]->timeline, 1);
4661 static const struct of_device_id rkfb_dt_ids[] = {
4662 {.compatible = "rockchip,rk-fb",},
4666 static struct platform_driver rk_fb_driver = {
4667 .probe = rk_fb_probe,
4668 .remove = rk_fb_remove,
4671 .owner = THIS_MODULE,
4672 .of_match_table = of_match_ptr(rkfb_dt_ids),
4674 .shutdown = rk_fb_shutdown,
4677 static int __init rk_fb_init(void)
4679 return platform_driver_register(&rk_fb_driver);
4682 static void __exit rk_fb_exit(void)
4684 platform_driver_unregister(&rk_fb_driver);
4687 fs_initcall(rk_fb_init);
4688 module_exit(rk_fb_exit);