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),
344 strcpy(pwr_ctr->pwr_ctr.name, child->name);
345 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
347 pwr_ctr->pwr_ctr.type = GPIO;
348 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
349 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
350 dev_err(dev_drv->dev, "%s ivalid gpio\n",
354 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
355 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
358 dev_err(dev_drv->dev,
359 "request %s gpio fail:%d\n",
364 pwr_ctr->pwr_ctr.type = REGULATOR;
365 pwr_ctr->pwr_ctr.rgl_name = NULL;
366 ret = of_property_read_string(child, "rockchip,regulator_name",
367 &(pwr_ctr->pwr_ctr.rgl_name));
368 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
369 dev_err(dev_drv->dev, "get regulator name failed!\n");
370 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
371 pwr_ctr->pwr_ctr.volt = val;
373 pwr_ctr->pwr_ctr.volt = 0;
377 if (!of_property_read_u32(child, "rockchip,delay", &val))
378 pwr_ctr->pwr_ctr.delay = val;
380 pwr_ctr->pwr_ctr.delay = 0;
381 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
384 of_property_read_u32(root, "rockchip,debug", &debug);
387 list_for_each(pos, &dev_drv->pwrlist_head) {
388 pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
390 pr_info("pwr_ctr_name:%s\n"
395 pwr_ctr->pwr_ctr.name,
396 (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
397 pwr_ctr->pwr_ctr.gpio,
398 pwr_ctr->pwr_ctr.atv_val,
399 pwr_ctr->pwr_ctr.delay);
406 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
408 struct list_head *pos;
409 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
410 struct pwr_ctr *pwr_ctr;
411 struct regulator *regulator_lcd = NULL;
414 if (list_empty(&dev_drv->pwrlist_head))
416 list_for_each(pos, &dev_drv->pwrlist_head) {
417 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
419 pwr_ctr = &pwr_ctr_list->pwr_ctr;
420 if (pwr_ctr->type == GPIO) {
421 gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
422 mdelay(pwr_ctr->delay);
423 } else if (pwr_ctr->type == REGULATOR) {
424 if (pwr_ctr->rgl_name)
426 regulator_get(NULL, pwr_ctr->rgl_name);
427 if (regulator_lcd == NULL) {
428 dev_err(dev_drv->dev,
429 "%s: regulator get failed,regulator name:%s\n",
430 __func__, pwr_ctr->rgl_name);
433 regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
434 while (!regulator_is_enabled(regulator_lcd)) {
435 if (regulator_enable(regulator_lcd) == 0 || count == 0)
438 dev_err(dev_drv->dev,
439 "regulator_enable failed,count=%d\n",
443 regulator_put(regulator_lcd);
444 msleep(pwr_ctr->delay);
451 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
453 struct list_head *pos;
454 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
455 struct pwr_ctr *pwr_ctr;
456 struct regulator *regulator_lcd = NULL;
459 if (list_empty(&dev_drv->pwrlist_head))
461 list_for_each(pos, &dev_drv->pwrlist_head) {
462 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
464 pwr_ctr = &pwr_ctr_list->pwr_ctr;
465 if (pwr_ctr->type == GPIO) {
466 gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
467 } else if (pwr_ctr->type == REGULATOR) {
468 if (pwr_ctr->rgl_name)
469 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
470 if (regulator_lcd == NULL) {
471 dev_err(dev_drv->dev,
472 "%s: regulator get failed,regulator name:%s\n",
473 __func__, pwr_ctr->rgl_name);
476 while (regulator_is_enabled(regulator_lcd) > 0) {
477 if (regulator_disable(regulator_lcd) == 0 ||
481 dev_err(dev_drv->dev,
482 "regulator_disable failed,count=%d\n",
486 regulator_put(regulator_lcd);
492 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
493 struct rk_screen *screen)
495 screen->mode.pixclock = dt->pixelclock.typ;
496 screen->mode.left_margin = dt->hback_porch.typ;
497 screen->mode.right_margin = dt->hfront_porch.typ;
498 screen->mode.xres = dt->hactive.typ;
499 screen->mode.hsync_len = dt->hsync_len.typ;
500 screen->mode.upper_margin = dt->vback_porch.typ;
501 screen->mode.lower_margin = dt->vfront_porch.typ;
502 screen->mode.yres = dt->vactive.typ;
503 screen->mode.vsync_len = dt->vsync_len.typ;
504 screen->type = dt->screen_type;
505 screen->refresh_mode = dt->refresh_mode;
506 screen->lvds_format = dt->lvds_format;
507 screen->face = dt->face;
508 screen->color_mode = dt->color_mode;
509 screen->width = dt->screen_widt;
510 screen->height = dt->screen_hight;
511 screen->dsp_lut = dt->dsp_lut;
512 screen->cabc_lut = dt->cabc_lut;
513 screen->cabc_gamma_base = dt->cabc_gamma_base;
515 if (dt->flags & DISPLAY_FLAGS_INTERLACED)
516 screen->mode.vmode |= FB_VMODE_INTERLACED;
517 if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
518 screen->pin_dclk = 1;
520 screen->pin_dclk = 0;
521 if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
522 screen->pin_hsync = 1;
524 screen->pin_hsync = 0;
525 if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
526 screen->pin_vsync = 1;
528 screen->pin_vsync = 0;
529 if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
537 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
539 struct display_timings *disp_timing;
540 struct display_timing *dt;
542 disp_timing = of_get_display_timings(np);
544 pr_err("parse display timing err\n");
547 dt = display_timings_get(disp_timing, disp_timing->native_mode);
548 rk_fb_video_mode_from_timing(dt, screen);
553 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
556 unsigned long long hz;
559 pr_err("%s:null screen!\n", __func__);
562 x = screen->mode.xres + screen->mode.left_margin +
563 screen->mode.right_margin + screen->mode.hsync_len;
564 y = screen->mode.yres + screen->mode.upper_margin +
565 screen->mode.lower_margin + screen->mode.vsync_len;
567 hz = 1000000000000ULL; /* 1e12 picoseconds per second */
570 do_div(hz, x * y); /* divide by x * y with rounding */
573 do_div(hz, pixclock); /* divide by pixclock with rounding */
578 char *get_format_string(enum data_format format, char *fmt)
584 strcpy(fmt, "ARGB888");
587 strcpy(fmt, "RGB888");
590 strcpy(fmt, "BGR888");
593 strcpy(fmt, "RGB565");
596 strcpy(fmt, "BGR565");
600 strcpy(fmt, "YUV420");
603 strcpy(fmt, "YUV422");
606 strcpy(fmt, "YUV444");
609 strcpy(fmt, "YUV420_A");
612 strcpy(fmt, "YUV422_A");
615 strcpy(fmt, "YUV444_A");
618 strcpy(fmt, "XRGB888");
621 strcpy(fmt, "XBGR888");
624 strcpy(fmt, "ABGR888");
627 strcpy(fmt, "FBDC_RGB_565");
631 strcpy(fmt, "FBDC_ARGB_888");
634 strcpy(fmt, "FBDC_RGBX_888");
637 strcpy(fmt, "YUYV422");
640 strcpy(fmt, "YUYV420");
643 strcpy(fmt, "UYVY422");
646 strcpy(fmt, "UYVY420");
649 strcpy(fmt, "invalid");
656 int rk_fb_set_vop_pwm(void)
659 struct rk_fb *inf = NULL;
660 struct rk_lcdc_driver *dev_drv = NULL;
663 inf = platform_get_drvdata(fb_pdev);
667 for (i = 0; i < inf->num_lcdc; i++) {
668 if (inf->lcdc_dev_drv[i]->cabc_mode == 1) {
669 dev_drv = inf->lcdc_dev_drv[i];
677 mutex_lock(&dev_drv->win_config);
678 if (dev_drv->ops->extern_func)
679 dev_drv->ops->extern_func(dev_drv, UPDATE_CABC_PWM);
680 mutex_unlock(&dev_drv->win_config);
687 * name: lcdc device name ,lcdc0 , lcdc1
689 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
691 struct rk_fb *inf = NULL;
692 struct rk_lcdc_driver *dev_drv = NULL;
696 inf = platform_get_drvdata(fb_pdev);
700 for (i = 0; i < inf->num_lcdc; i++) {
701 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
702 dev_drv = inf->lcdc_dev_drv[i];
710 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
712 struct rk_fb *inf = NULL;
713 struct rk_lcdc_driver *dev_drv = NULL;
717 inf = platform_get_drvdata(fb_pdev);
721 for (i = 0; i < inf->num_lcdc; i++) {
722 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
723 dev_drv = inf->lcdc_dev_drv[i];
731 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
733 struct rk_fb *inf = NULL;
734 struct rk_lcdc_driver *dev_drv = NULL;
738 inf = platform_get_drvdata(fb_pdev);
742 for (i = 0; i < inf->num_lcdc; i++) {
743 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
744 dev_drv = inf->lcdc_dev_drv[i];
753 * get one frame time of the prmry screen, unit: us
755 u32 rk_fb_get_prmry_screen_ft(void)
757 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
758 u32 htotal, vtotal, pixclock_ps;
759 u64 pix_total, ft_us;
761 if (unlikely(!dev_drv))
764 pixclock_ps = dev_drv->pixclock;
766 vtotal = dev_drv->cur_screen->mode.upper_margin +
767 dev_drv->cur_screen->mode.lower_margin +
768 dev_drv->cur_screen->mode.yres +
769 dev_drv->cur_screen->mode.vsync_len;
770 htotal = dev_drv->cur_screen->mode.left_margin +
771 dev_drv->cur_screen->mode.right_margin +
772 dev_drv->cur_screen->mode.xres +
773 dev_drv->cur_screen->mode.hsync_len;
774 pix_total = htotal * vtotal;
775 ft_us = pix_total * pixclock_ps;
776 do_div(ft_us, 1000000);
777 if (dev_drv->frame_time.ft == 0)
778 dev_drv->frame_time.ft = ft_us;
780 ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
782 ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
784 dev_drv->frame_time.ft = ft_us;
786 return dev_drv->frame_time.ft;
790 * get the vblanking time of the prmry screen, unit: us
792 u32 rk_fb_get_prmry_screen_vbt(void)
794 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
795 u32 htotal, vblank, pixclock_ps;
796 u64 pix_blank, vbt_us;
798 if (unlikely(!dev_drv))
801 pixclock_ps = dev_drv->pixclock;
803 htotal = (dev_drv->cur_screen->mode.left_margin +
804 dev_drv->cur_screen->mode.right_margin +
805 dev_drv->cur_screen->mode.xres +
806 dev_drv->cur_screen->mode.hsync_len);
807 vblank = (dev_drv->cur_screen->mode.upper_margin +
808 dev_drv->cur_screen->mode.lower_margin +
809 dev_drv->cur_screen->mode.vsync_len);
810 pix_blank = htotal * vblank;
811 vbt_us = pix_blank * pixclock_ps;
812 do_div(vbt_us, 1000000);
817 * get the frame done time of the prmry screen, unit: us
819 u64 rk_fb_get_prmry_screen_framedone_t(void)
821 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
823 if (unlikely(!dev_drv))
826 return dev_drv->frame_time.framedone_t;
830 * set prmry screen status
832 int rk_fb_set_prmry_screen_status(int status)
834 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
835 struct rk_screen *screen;
837 if (unlikely(!dev_drv))
840 screen = dev_drv->cur_screen;
842 case SCREEN_PREPARE_DDR_CHANGE:
843 if (screen->type == SCREEN_MIPI ||
844 screen->type == SCREEN_DUAL_MIPI) {
845 if (dev_drv->trsm_ops->dsp_pwr_off)
846 dev_drv->trsm_ops->dsp_pwr_off();
849 case SCREEN_UNPREPARE_DDR_CHANGE:
850 if (screen->type == SCREEN_MIPI ||
851 screen->type == SCREEN_DUAL_MIPI) {
852 if (dev_drv->trsm_ops->dsp_pwr_on)
853 dev_drv->trsm_ops->dsp_pwr_on();
863 u32 rk_fb_get_prmry_screen_pixclock(void)
865 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
867 if (unlikely(!dev_drv))
870 return dev_drv->pixclock;
873 int rk_fb_poll_prmry_screen_vblank(void)
875 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
877 if (likely(dev_drv)) {
878 if (dev_drv->ops->poll_vblank)
879 return dev_drv->ops->poll_vblank(dev_drv);
881 return RK_LF_STATUS_NC;
883 return RK_LF_STATUS_NC;
887 bool rk_fb_poll_wait_frame_complete(void)
889 uint32_t timeout = RK_LF_MAX_TIMEOUT;
890 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
892 if (likely(dev_drv)) {
893 if (dev_drv->ops->set_irq_to_cpu)
894 dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
897 if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
898 if (likely(dev_drv)) {
899 if (dev_drv->ops->set_irq_to_cpu)
900 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
904 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
906 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
908 if (likely(dev_drv)) {
909 if (dev_drv->ops->set_irq_to_cpu)
910 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
916 /* rk_fb_get_sysmmu_device_by_compatible()
917 * @compt: dts device compatible name
918 * return value: success: pointer to the device inside of platform device
921 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
923 struct device_node *dn = NULL;
924 struct platform_device *pd = NULL;
925 struct device *ret = NULL ;
927 dn = of_find_compatible_node(NULL, NULL, compt);
929 pr_info("can't find device node %s \r\n", compt);
933 pd = of_find_device_by_node(dn);
935 pr_info("can't find platform device node %s \r\n", compt);
943 #ifdef CONFIG_IOMMU_API
944 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
946 dev->archdata.iommu = sysmmu;
949 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
954 static int rk_fb_open(struct fb_info *info, int user)
956 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
957 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
960 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
962 /* if this win aready opened ,no need to reopen */
963 if (dev_drv->win[win_id]->state)
966 dev_drv->ops->open(dev_drv, win_id, 1);
970 static int rk_fb_close(struct fb_info *info, int user)
972 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
973 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
974 struct rk_lcdc_win *win = NULL;
975 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
978 win = dev_drv->win[win_id];
981 if (!fb_par->state) {
982 if (fb_par->fb_phy_base > 0)
983 info->fix.smem_start = fb_par->fb_phy_base;
984 info->var.xres = dev_drv->screen0->mode.xres;
985 info->var.yres = dev_drv->screen0->mode.yres;
987 *info->var.grayscale |=
988 * (info->var.xres << 8) + (info->var.yres << 20);
990 info->var.xres_virtual = info->var.xres;
991 info->var.yres_virtual = info->var.yres;
992 #if defined(CONFIG_LOGO_LINUX_BMP)
993 info->var.bits_per_pixel = 32;
995 info->var.bits_per_pixel = 16;
997 info->fix.line_length =
998 (info->var.xres_virtual) *
999 (info->var.bits_per_pixel >> 3);
1000 info->var.width = dev_drv->screen0->width;
1001 info->var.height = dev_drv->screen0->height;
1002 info->var.pixclock = dev_drv->pixclock;
1003 info->var.left_margin =
1004 dev_drv->screen0->mode.left_margin;
1005 info->var.right_margin =
1006 dev_drv->screen0->mode.right_margin;
1007 info->var.upper_margin =
1008 dev_drv->screen0->mode.upper_margin;
1009 info->var.lower_margin =
1010 dev_drv->screen0->mode.lower_margin;
1011 info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
1012 info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
1019 #if defined(FB_ROATE_BY_KERNEL)
1021 #if defined(CONFIG_RK29_IPP)
1022 static int get_ipp_format(int fmt)
1024 int ipp_fmt = IPP_XRGB_8888;
1027 case HAL_PIXEL_FORMAT_RGBX_8888:
1028 case HAL_PIXEL_FORMAT_BGRX_8888:
1029 case HAL_PIXEL_FORMAT_RGBA_8888:
1030 case HAL_PIXEL_FORMAT_BGRA_8888:
1031 case HAL_PIXEL_FORMAT_RGB_888:
1032 case HAL_PIXEL_FORMAT_BGR_888:
1033 ipp_fmt = IPP_XRGB_8888;
1035 case HAL_PIXEL_FORMAT_RGB_565:
1036 case HAL_PIXEL_FORMAT_BGR_565:
1037 ipp_fmt = IPP_RGB_565;
1039 case HAL_PIXEL_FORMAT_YCbCr_422_SP:
1040 ipp_fmt = IPP_Y_CBCR_H2V1;
1042 case HAL_PIXEL_FORMAT_YCrCb_NV12:
1043 ipp_fmt = IPP_Y_CBCR_H2V2;
1045 case HAL_PIXEL_FORMAT_YCrCb_444:
1046 ipp_fmt = IPP_Y_CBCR_H1V1;
1049 ipp_fmt = IPP_IMGTYPE_LIMIT;
1056 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
1057 int rotation, int fmt)
1062 if (fmt == IPP_XRGB_8888) {
1065 } else if (fmt == IPP_RGB_565) {
1072 align16 -= 1; /*for YUV, 1 */
1073 align64 -= 1; /*for YUV, 7 */
1075 if (rotation == IPP_ROT_0) {
1076 if (fmt > IPP_RGB_565) {
1077 if ((*dst_w & 1) != 0)
1078 *dst_w = *dst_w + 1;
1079 if ((*dst_h & 1) != 0)
1080 *dst_h = *dst_h + 1;
1081 if (*dst_vir_w < *dst_w)
1082 *dst_vir_w = *dst_w;
1085 if ((*dst_w & align64) != 0)
1086 *dst_w = (*dst_w + align64) & (~align64);
1087 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
1088 *dst_h = *dst_h + 1;
1089 if (*dst_vir_w < *dst_w)
1090 *dst_vir_w = *dst_w;
1094 static void fb_copy_by_ipp(struct fb_info *dst_info,
1095 struct fb_info *src_info)
1097 struct rk29_ipp_req ipp_req;
1098 uint32_t rotation = 0;
1099 int dst_w, dst_h, dst_vir_w;
1101 u8 data_format = (dst_info->var.nonstd) & 0xff;
1102 struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
1103 struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
1104 u16 orientation = ext_dev_drv->rotate_mode;
1106 memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
1108 switch (orientation) {
1110 rotation = IPP_ROT_0;
1113 rotation = IPP_ROT_90;
1116 rotation = IPP_ROT_180;
1119 rotation = IPP_ROT_270;
1122 rotation = IPP_ROT_270;
1126 dst_w = dst_info->var.xres;
1127 dst_h = dst_info->var.yres;
1128 dst_vir_w = dst_info->var.xres_virtual;
1129 ipp_fmt = get_ipp_format(data_format);
1130 ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1131 ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1132 ipp_req.src0.w = src_info->var.xres;
1133 ipp_req.src0.h = src_info->var.yres;
1134 ipp_req.src_vir_w = src_info->var.xres_virtual;
1135 ipp_req.src0.fmt = ipp_fmt;
1137 ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1138 ipp_req.dst0.w = dst_w;
1139 ipp_req.dst0.h = dst_h;
1140 ipp_req.dst_vir_w = dst_vir_w;
1141 ipp_req.dst0.fmt = ipp_fmt;
1143 ipp_req.timeout = 100;
1144 ipp_req.flag = rotation;
1145 ipp_blit_sync(&ipp_req);
1150 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1151 static int get_rga_format(int fmt)
1157 rga_fmt = RK_FORMAT_RGBX_8888;
1160 rga_fmt = RK_FORMAT_RGBA_8888;
1163 rga_fmt = RK_FORMAT_BGRA_8888;
1166 rga_fmt = RK_FORMAT_RGB_888;
1169 rga_fmt = RK_FORMAT_RGB_565;
1172 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1175 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1178 rga_fmt = RK_FORMAT_RGBA_8888;
1185 static void rga_win_check(struct rk_lcdc_win *dst_win,
1186 struct rk_lcdc_win *src_win)
1190 format = get_rga_format(src_win->area[0].format);
1191 /* width and height must be even number */
1192 if (format >= RK_FORMAT_YCbCr_422_SP &&
1193 format <= RK_FORMAT_YCrCb_420_P) {
1194 if ((src_win->area[0].xact % 2) != 0)
1195 src_win->area[0].xact += 1;
1196 if ((src_win->area[0].yact % 2) != 0)
1197 src_win->area[0].yact += 1;
1199 if (src_win->area[0].xvir < src_win->area[0].xact)
1200 src_win->area[0].xvir = src_win->area[0].xact;
1201 if (src_win->area[0].yvir < src_win->area[0].yact)
1202 src_win->area[0].yvir = src_win->area[0].yact;
1204 format = get_rga_format(dst_win->area[0].format);
1205 if (format >= RK_FORMAT_YCbCr_422_SP &&
1206 format <= RK_FORMAT_YCrCb_420_P) {
1207 if ((dst_win->area[0].xact % 2) != 0)
1208 dst_win->area[0].xact += 1;
1209 if ((dst_win->area[0].yact % 2) != 0)
1210 dst_win->area[0].yact += 1;
1212 if (dst_win->area[0].xvir < dst_win->area[0].xact)
1213 dst_win->area[0].xvir = dst_win->area[0].xact;
1214 if (dst_win->area[0].yvir < dst_win->area[0].yact)
1215 dst_win->area[0].yvir = dst_win->area[0].yact;
1218 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1219 struct rk_lcdc_win *src_win,
1220 u16 orientation, int iommu_en)
1222 struct rga_req rga_request;
1226 memset(&rga_request, 0, sizeof(rga_request));
1227 rga_win_check(dst_win, src_win);
1229 switch (orientation) {
1231 rga_request.rotate_mode = 1;
1232 rga_request.sina = 65536;
1233 rga_request.cosa = 0;
1234 rga_request.dst.act_w = dst_win->area[0].yact;
1235 rga_request.dst.act_h = dst_win->area[0].xact;
1236 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1237 rga_request.dst.y_offset = 0;
1240 rga_request.rotate_mode = 1;
1241 rga_request.sina = 0;
1242 rga_request.cosa = -65536;
1243 rga_request.dst.act_w = dst_win->area[0].xact;
1244 rga_request.dst.act_h = dst_win->area[0].yact;
1245 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1246 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1249 rga_request.rotate_mode = 1;
1250 rga_request.sina = -65536;
1251 rga_request.cosa = 0;
1252 rga_request.dst.act_w = dst_win->area[0].yact;
1253 rga_request.dst.act_h = dst_win->area[0].xact;
1254 rga_request.dst.x_offset = 0;
1255 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1258 rga_request.rotate_mode = 0;
1259 rga_request.dst.act_w = dst_win->area[0].xact;
1260 rga_request.dst.act_h = dst_win->area[0].yact;
1261 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1262 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1268 * ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1269 * rga_request.src.yrgb_addr = fd;
1271 * ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1272 * rga_request.dst.yrgb_addr = fd;
1274 rga_request.src.yrgb_addr = 0;
1275 rga_request.src.uv_addr =
1276 src_win->area[0].smem_start + src_win->area[0].y_offset;
1277 rga_request.src.v_addr = 0;
1279 rga_request.dst.yrgb_addr = 0;
1280 rga_request.dst.uv_addr =
1281 dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1282 rga_request.dst.v_addr = 0;
1284 rga_request.src.vir_w = src_win->area[0].xvir;
1285 rga_request.src.vir_h = src_win->area[0].yvir;
1286 rga_request.src.format = get_rga_format(src_win->area[0].format);
1287 rga_request.src.act_w = src_win->area[0].xact;
1288 rga_request.src.act_h = src_win->area[0].yact;
1289 rga_request.src.x_offset = 0;
1290 rga_request.src.y_offset = 0;
1292 rga_request.dst.vir_w = dst_win->area[0].xvir;
1293 rga_request.dst.vir_h = dst_win->area[0].yvir;
1294 rga_request.dst.format = get_rga_format(dst_win->area[0].format);
1296 rga_request.clip.xmin = 0;
1297 rga_request.clip.xmax = dst_win->area[0].xact - 1;
1298 rga_request.clip.ymin = 0;
1299 rga_request.clip.ymax = dst_win->area[0].yact - 1;
1300 rga_request.scale_mode = 0;
1303 rga_request.mmu_info.mmu_en = 1;
1304 rga_request.mmu_info.mmu_flag = 1;
1306 rga_request.mmu_info.mmu_en = 0;
1307 rga_request.mmu_info.mmu_flag = 0;
1310 ret = rga_ioctl_kernel(&rga_request);
1314 * This function is used for copying fb by RGA Module
1315 * RGA only support copy RGB to RGB
1316 * RGA2 support copy RGB to RGB and YUV to YUV
1318 static void fb_copy_by_rga(struct fb_info *dst_info,
1319 struct fb_info *src_info)
1321 struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1322 struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1323 struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1324 struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1325 int win_id = 0, ext_win_id;
1326 struct rk_lcdc_win *src_win, *dst_win;
1328 win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1329 src_win = dev_drv->win[win_id];
1332 ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1333 dst_win = ext_dev_drv->win[ext_win_id];
1335 win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1336 ext_dev_drv->iommu_enabled);
1340 static int rk_fb_rotate(struct fb_info *dst_info,
1341 struct fb_info *src_info)
1343 #if defined(CONFIG_RK29_IPP)
1344 fb_copy_by_ipp(dst_info, src_info);
1345 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1346 fb_copy_by_rga(dst_info, src_info);
1353 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1354 struct rk_lcdc_win *src_win,
1355 u16 rotate, int iommu_en)
1357 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1358 win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1367 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1368 struct fb_info *info)
1370 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1371 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1372 struct fb_fix_screeninfo *fix = &info->fix;
1374 struct rk_lcdc_win *win = NULL;
1375 struct rk_screen *screen = dev_drv->cur_screen;
1376 u32 xoffset = var->xoffset;
1377 u32 yoffset = var->yoffset;
1378 u32 xvir = var->xres_virtual;
1381 u32 stride, uv_stride;
1384 u16 uv_x_off, uv_y_off, uv_y_act;
1387 if (dev_drv->suspend_flag || is_car_camcap())
1389 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1393 win = dev_drv->win[win_id];
1395 pixel_width = rk_fb_pixel_width(win->area[0].format);
1396 vir_width_bit = pixel_width * xvir;
1397 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1398 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1400 switch (win->area[0].format) {
1404 stride = stride_32bit_1;
1405 uv_stride = stride_32bit_1;
1408 fix->line_length = stride;
1409 uv_y_act = win->area[0].yact >> 1;
1411 case YUV420: /* nv12 */
1412 case YUV420_NV21: /* nv21 */
1415 stride = stride_32bit_1;
1416 uv_stride = stride_32bit_1;
1418 uv_y_off = yoffset >> 1;
1419 fix->line_length = stride;
1420 uv_y_act = win->area[0].yact >> 1;
1425 stride = stride_32bit_1;
1426 uv_stride = stride_32bit_2;
1427 uv_x_off = xoffset * 2;
1429 fix->line_length = stride << 2;
1430 uv_y_act = win->area[0].yact;
1433 stride = stride_32bit_1; /* default rgb */
1434 fix->line_length = stride;
1438 /* x y mirror ,jump line */
1439 if ((screen->y_mirror == 1) ||
1440 (win->xmirror && win->ymirror)) {
1441 if (screen->interlace == 1) {
1442 win->area[0].y_offset = yoffset * stride * 2 +
1443 ((win->area[0].yact - 1) * 2 + 1) * stride +
1444 xoffset * pixel_width / 8;
1446 win->area[0].y_offset = yoffset * stride +
1447 (win->area[0].yact - 1) * stride +
1448 xoffset * pixel_width / 8;
1451 if (screen->interlace == 1) {
1452 win->area[0].y_offset =
1453 yoffset * stride * 2 + xoffset * pixel_width / 8;
1455 win->area[0].y_offset =
1456 yoffset * stride + xoffset * pixel_width / 8;
1459 if (is_pic_yuv == 1) {
1460 if ((screen->y_mirror == 1) ||
1461 (win->xmirror && win->ymirror)) {
1462 if (screen->interlace == 1) {
1463 win->area[0].c_offset =
1464 uv_y_off * uv_stride * 2 +
1465 ((uv_y_act - 1) * 2 + 1) * uv_stride +
1466 uv_x_off * pixel_width / 8;
1468 win->area[0].c_offset = uv_y_off * uv_stride +
1469 (uv_y_act - 1) * uv_stride +
1470 uv_x_off * pixel_width / 8;
1473 if (screen->interlace == 1) {
1474 win->area[0].c_offset =
1475 uv_y_off * uv_stride * 2 +
1476 uv_x_off * pixel_width / 8;
1478 win->area[0].c_offset =
1479 uv_y_off * uv_stride +
1480 uv_x_off * pixel_width / 8;
1485 win->area[0].smem_start = fix->smem_start;
1486 win->area[0].cbr_start = fix->mmio_start;
1487 win->area[0].state = 1;
1490 dev_drv->ops->pan_display(dev_drv, win_id);
1492 #ifdef CONFIG_FB_MIRRORING
1493 if (video_data_to_mirroring)
1494 video_data_to_mirroring(info, NULL);
1496 /* if not want the config effect,set reserved[3] bit[0] 1 */
1497 if (likely((var->reserved[3] & 0x1) == 0))
1498 dev_drv->ops->cfg_done(dev_drv);
1499 if (dev_drv->hdmi_switch)
1504 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1508 i = list_empty(&dev_drv->update_regs_list);
1509 j = list_empty(&dev_drv->saved_list);
1510 return i == j ? 0 : 1;
1513 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1515 int err = sync_fence_wait(fence, 1000);
1521 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1524 pr_info("error waiting on fence\n");
1527 static int rk_fb_copy_from_loader(struct fb_info *info)
1529 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1530 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1531 void *dst = info->screen_base;
1536 struct rk_lcdc_win *win;
1538 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1539 win = dev_drv->win[win_id];
1540 size = (win->area[0].xact) * (win->area[0].yact) << 2;
1541 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1542 src = dsp_addr[win_id];
1543 dev_info(info->dev, "copy fb data %d x %d from dst_addr:%08x\n",
1544 win->area[0].xact, win->area[0].yact, src);
1545 for (i = 0; i < size; i += PAGE_SIZE) {
1546 void *page = phys_to_page(i + src);
1547 void *from_virt = kmap(page);
1548 void *to_virt = dst + i;
1550 memcpy(to_virt, from_virt, PAGE_SIZE);
1552 dev_drv->ops->direct_set_addr(dev_drv, win_id,
1553 info->fix.smem_start);
1557 static int g_last_addr[5][4];
1558 static int g_now_config_addr[5][4];
1559 static int g_last_state[5][4];
1560 static int g_now_config_state[5][4];
1565 #define DUMP_CHUNK 256
1566 char buf[PAGE_SIZE];
1568 int rk_fb_sysmmu_fault_handler(struct device *dev,
1569 enum rk_iommu_inttype itype,
1570 unsigned long pgtable_base,
1571 unsigned long fault_addr, unsigned int status)
1573 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1575 static int page_fault_cnt;
1577 if ((page_fault_cnt++) >= 10)
1580 ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1581 fault_addr, pgtable_base, status);
1582 pr_info("last config addr:\n");
1583 for (i = 0; i < 4; i++) {
1584 for (j = 0; j < 4; j++)
1585 pr_info("win[%d],area[%d] = 0x%08x\n",
1586 i, j, g_last_addr[i][j]);
1588 pr_info("last freed buffer:\n");
1589 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1590 pr_info("%d:0x%08x\n", i, freed_addr[i]);
1591 pr_info("last timeout:%d\n", g_last_timeout);
1592 dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1593 for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1594 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1595 char c = buf[i + DUMP_CHUNK];
1597 buf[i + DUMP_CHUNK] = 0;
1598 pr_cont("%s", buf + i);
1599 buf[i + DUMP_CHUNK] = c;
1601 buf[PAGE_SIZE - 1] = 0;
1602 pr_cont("%s", buf + i);
1609 void rk_fb_free_wb_buf(struct rk_lcdc_driver *dev_drv,
1610 struct rk_fb_reg_wb_data *wb_data)
1612 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1614 if (dev_drv->iommu_enabled && wb_data->ion_handle)
1615 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1616 wb_data->ion_handle);
1617 if (wb_data->ion_handle)
1618 ion_free(rk_fb->ion_client, wb_data->ion_handle);
1621 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1622 struct rk_fb_reg_win_data *reg_win_data)
1625 struct rk_fb_reg_area_data *area_data;
1626 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1628 for (i = 0; i < reg_win_data->area_num; i++) {
1629 area_data = ®_win_data->reg_area_data[i];
1630 index_buf = area_data->index_buf;
1631 if (dev_drv->iommu_enabled) {
1632 if (area_data->ion_handle != NULL &&
1633 !IS_YUV_FMT(area_data->data_format))
1634 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1635 area_data->ion_handle);
1636 freed_addr[freed_index++] = area_data->smem_start;
1638 if (area_data->ion_handle != NULL)
1639 ion_free(rk_fb->ion_client, area_data->ion_handle);
1641 if (area_data->acq_fence)
1642 sync_fence_put(area_data->acq_fence);
1646 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1647 struct rk_lcdc_win *win,
1648 struct rk_fb_reg_win_data *reg_win_data)
1651 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1652 struct rk_screen *cur_screen;
1653 struct rk_screen primary_screen;
1655 if (unlikely(!inf) || unlikely(!dev_drv) ||
1656 unlikely(!win) || unlikely(!reg_win_data))
1659 cur_screen = dev_drv->cur_screen;
1660 rk_fb_get_prmry_screen(&primary_screen);
1662 win->area_num = reg_win_data->area_num;
1663 win->id = reg_win_data->win_id;
1664 win->z_order = reg_win_data->z_order;
1666 if (reg_win_data->reg_area_data[0].smem_start > 0) {
1668 win->area_num = reg_win_data->area_num;
1669 win->id = reg_win_data->win_id;
1670 win->z_order = reg_win_data->z_order;
1671 win->area[0].uv_vir_stride =
1672 reg_win_data->reg_area_data[0].uv_vir_stride;
1673 win->area[0].cbr_start =
1674 reg_win_data->reg_area_data[0].cbr_start;
1675 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1676 win->alpha_en = reg_win_data->alpha_en;
1677 win->alpha_mode = reg_win_data->alpha_mode;
1678 win->g_alpha_val = reg_win_data->g_alpha_val;
1680 * reg_win_data mirror_en means that xmirror ymirror all
1683 win->xmirror = reg_win_data->mirror_en ? 1 : 0;
1684 win->ymirror = reg_win_data->mirror_en ? 1 : 0;
1685 win->colorspace = reg_win_data->colorspace;
1686 win->area[0].fbdc_en =
1687 reg_win_data->reg_area_data[0].fbdc_en;
1688 win->area[0].fbdc_cor_en =
1689 reg_win_data->reg_area_data[0].fbdc_cor_en;
1690 win->area[0].fbdc_data_format =
1691 reg_win_data->reg_area_data[0].fbdc_data_format;
1692 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1693 if (reg_win_data->reg_area_data[i].smem_start > 0) {
1694 win->area[i].format =
1695 reg_win_data->reg_area_data[i].data_format;
1696 win->area[i].data_space =
1697 reg_win_data->reg_area_data[i].data_space;
1698 win->area[i].ion_hdl =
1699 reg_win_data->reg_area_data[i].ion_handle;
1700 win->area[i].smem_start =
1701 reg_win_data->reg_area_data[i].smem_start;
1702 if (inf->disp_mode == DUAL ||
1703 inf->disp_mode == DUAL_LCD ||
1704 inf->disp_mode == NO_DUAL) {
1706 reg_win_data->reg_area_data[i].xpos;
1708 reg_win_data->reg_area_data[i].ypos;
1709 win->area[i].xsize =
1710 reg_win_data->reg_area_data[i].xsize;
1711 win->area[i].ysize =
1712 reg_win_data->reg_area_data[i].ysize;
1715 reg_win_data->reg_area_data[i].xpos *
1716 cur_screen->mode.xres /
1717 primary_screen.mode.xres;
1719 reg_win_data->reg_area_data[i].ypos *
1720 cur_screen->mode.yres /
1721 primary_screen.mode.yres;
1722 win->area[i].xsize =
1723 reg_win_data->reg_area_data[i].xsize *
1724 cur_screen->mode.xres /
1725 primary_screen.mode.xres;
1726 win->area[i].ysize =
1727 reg_win_data->reg_area_data[i].ysize *
1728 cur_screen->mode.yres /
1729 primary_screen.mode.yres;
1731 /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1732 if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
1733 if (cur_screen->xsize > 0 &&
1734 cur_screen->xsize <= cur_screen->mode.xres) {
1736 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1737 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1738 win->area[i].xsize =
1739 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1741 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1743 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1744 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1745 win->area[i].ysize =
1746 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1751 reg_win_data->reg_area_data[i].xact;
1753 reg_win_data->reg_area_data[i].yact;
1755 reg_win_data->reg_area_data[i].xvir;
1757 reg_win_data->reg_area_data[i].yvir;
1759 reg_win_data->reg_area_data[i].xoff;
1761 reg_win_data->reg_area_data[i].yoff;
1762 win->area[i].y_offset =
1763 reg_win_data->reg_area_data[i].y_offset;
1764 win->area[i].y_vir_stride =
1765 reg_win_data->reg_area_data[i].y_vir_stride;
1766 win->area[i].state = 1;
1767 if (dev_drv->iommu_enabled) {
1768 g_now_config_addr[win->id][i] =
1769 win->area[i].smem_start +
1770 win->area[i].y_offset;
1771 g_now_config_state[win->id][i] = 1;
1774 win->area[i].state = 0;
1775 win->area[i].fbdc_en = 0;
1776 if (dev_drv->iommu_enabled) {
1777 g_now_config_addr[win->id][i] = 0;
1778 g_now_config_state[win->id][i] = 0;
1785 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1789 struct rk_fb_reg_win_data *win_data = NULL;
1791 for (i = 0; i < regs->win_num; i++) {
1792 if (regs->reg_win_data[i].win_id == win_id) {
1793 win_data = &(regs->reg_win_data[i]);
1801 static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
1802 struct rk_fb_reg_data *regs,
1805 int i, j, wait_for_vsync = false;
1806 unsigned int dsp_addr[5][4];
1809 if (dev_drv->ops->get_dsp_addr)
1810 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1812 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1813 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1814 if ((j > 0) && (dev_drv->area_support[i] == 1))
1816 if (dev_drv->win[i]->area[j].state == 1) {
1818 dev_drv->win[i]->area[j].smem_start +
1819 dev_drv->win[i]->area[j].y_offset;
1820 u32 reg_start = dsp_addr[i][j];
1822 if (unlikely(new_start != reg_start)) {
1823 wait_for_vsync = true;
1824 dev_info(dev_drv->dev,
1825 "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1826 i, new_start, reg_start,
1830 } else if (dev_drv->win[i]->area[j].state == 0) {
1831 if (dev_drv->ops->get_win_state) {
1833 dev_drv->ops->get_win_state(dev_drv, i, j);
1835 wait_for_vsync = true;
1836 dev_info(dev_drv->dev,
1842 dev_drv->win[i]->area[j].state,
1848 pr_err("!!!win[%d]state:%d,error!!!\n",
1849 i, dev_drv->win[i]->state);
1854 return wait_for_vsync;
1857 static int rk_fb_iommu_page_fault_dump(struct rk_lcdc_driver *dev_drv)
1859 int i, j, state, page_fault = 0;
1860 unsigned int dsp_addr[5][4];
1862 if (dev_drv->ops->extern_func) {
1863 dev_drv->ops->extern_func(dev_drv, UNMASK_PAGE_FAULT);
1864 page_fault = dev_drv->ops->extern_func(dev_drv, GET_PAGE_FAULT);
1867 pr_info("last config:\n");
1868 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1869 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1870 if ((j > 0) && (dev_drv->area_support[i] == 1))
1872 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1873 i, j, g_last_state[i][j], g_last_addr[i][j]);
1877 pr_info("last freed buffer:\n");
1878 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1879 pr_info("%d:0x%08x\n", i, freed_addr[i]);
1881 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1882 pr_info("vop now state:\n");
1883 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1884 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1885 if ((j > 0) && (dev_drv->area_support[i] == 1))
1887 state = dev_drv->ops->get_win_state(dev_drv, i, j);
1888 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1889 i, j, state, dsp_addr[i][j]);
1892 pr_info("now config:\n");
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 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1898 i, j, g_now_config_state[i][j],
1899 g_now_config_addr[i][j]);
1902 for (i = 0; i < DUMP_FRAME_NUM; i++)
1903 rk_fb_config_debug(dev_drv, &dev_drv->tmp_win_cfg[i],
1904 &dev_drv->tmp_regs[i], 0);
1907 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1908 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1909 if ((j > 0) && (dev_drv->area_support[i] == 1))
1911 g_last_addr[i][j] = g_now_config_addr[i][j];
1912 g_last_state[i][j] = g_now_config_state[i][j];
1918 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1919 struct rk_fb_reg_data *regs)
1922 struct rk_lcdc_win *win;
1923 ktime_t timestamp = dev_drv->vsync_info.timestamp;
1924 struct rk_fb_reg_win_data *win_data;
1925 bool wait_for_vsync;
1930 if (dev_drv->suspend_flag == 1) {
1932 sw_sync_timeline_inc(dev_drv->timeline, 1);
1934 for (i = 0; i < regs->win_num; i++) {
1935 win_data = ®s->reg_win_data[i];
1936 rk_fb_free_dma_buf(dev_drv, win_data);
1938 if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
1939 rk_fb_free_wb_buf(dev_drv, ®s->reg_wb_data);
1943 /* acq_fence wait */
1944 for (i = 0; i < regs->win_num; i++) {
1945 win_data = ®s->reg_win_data[i];
1946 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1947 if (win_data->reg_area_data[j].acq_fence)
1948 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1952 mutex_lock(&dev_drv->win_config);
1953 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1954 win = dev_drv->win[i];
1955 win_data = rk_fb_get_win_data(regs, i);
1957 rk_fb_update_win(dev_drv, win, win_data);
1959 dev_drv->ops->set_par(dev_drv, i);
1960 dev_drv->ops->pan_display(dev_drv, i);
1964 for (j = 0; j < 4; j++) {
1965 win->area[j].state = 0;
1966 win->area[j].fbdc_en = 0;
1968 if (dev_drv->iommu_enabled) {
1969 for (j = 0; j < 4; j++) {
1970 g_now_config_addr[i][j] = 0;
1971 g_now_config_state[i][j] = 0;
1976 dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1978 if (dev_drv->property.feature & SUPPORT_WRITE_BACK) {
1979 memcpy(&dev_drv->wb_data, ®s->reg_wb_data,
1980 sizeof(struct rk_fb_reg_wb_data));
1981 if (dev_drv->ops->set_wb)
1982 dev_drv->ops->set_wb(dev_drv);
1985 if (rk_fb_iommu_debug > 0)
1986 pagefault = rk_fb_iommu_page_fault_dump(dev_drv);
1989 dev_drv->ops->cfg_done(dev_drv);
1991 sw_sync_timeline_inc(dev_drv->timeline, 1);
1992 mutex_unlock(&dev_drv->win_config);
1995 timestamp = dev_drv->vsync_info.timestamp;
1996 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1997 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1998 msecs_to_jiffies(50));
2000 dev_info(dev_drv->dev, "timeout: %ld\n", timeout);
2001 wait_for_vsync = rk_fb_reg_effect(dev_drv, regs, count);
2002 } while (wait_for_vsync && count--);
2004 sw_sync_timeline_inc(dev_drv->timeline, 1);
2007 if (dev_drv->front_regs) {
2008 if (dev_drv->iommu_enabled) {
2009 if (dev_drv->ops->mmu_en)
2010 dev_drv->ops->mmu_en(dev_drv);
2012 g_last_timeout = timeout;
2015 mutex_lock(&dev_drv->front_lock);
2017 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
2018 win_data = &dev_drv->front_regs->reg_win_data[i];
2019 rk_fb_free_dma_buf(dev_drv, win_data);
2021 if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
2022 rk_fb_free_wb_buf(dev_drv,
2023 &dev_drv->front_regs->reg_wb_data);
2024 kfree(dev_drv->front_regs);
2026 mutex_unlock(&dev_drv->front_lock);
2028 if (dev_drv->iommu_enabled)
2029 freed_addr[freed_index] = 0xfefefefe;
2032 mutex_lock(&dev_drv->front_lock);
2034 dev_drv->front_regs = regs;
2036 mutex_unlock(&dev_drv->front_lock);
2038 trace_buffer_dump(&fb_pdev->dev, dev_drv);
2041 static void rk_fb_update_regs_handler(struct kthread_work *work)
2043 struct rk_lcdc_driver *dev_drv =
2044 container_of(work, struct rk_lcdc_driver, update_regs_work);
2045 struct rk_fb_reg_data *data, *next;
2047 mutex_lock(&dev_drv->update_regs_list_lock);
2048 dev_drv->saved_list = dev_drv->update_regs_list;
2049 list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
2050 mutex_unlock(&dev_drv->update_regs_list_lock);
2052 list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
2053 list_del(&data->list);
2054 rk_fb_update_reg(dev_drv, data);
2057 if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
2058 wake_up(&dev_drv->update_regs_wait);
2061 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
2062 struct rk_screen *screen)
2064 if (area_par->phy_addr > 0)
2065 pr_err("%s[%d], phy_addr = 0x%x\n",
2066 __func__, __LINE__, area_par->phy_addr);
2067 if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
2068 (area_par->xact <= 0) || (area_par->yact <= 0) ||
2069 (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
2070 pr_err("check config var fail 0:\n"
2071 "x_offset=%d,xact=%d,xvir=%d\n",
2072 area_par->x_offset, area_par->xact, area_par->xvir);
2076 if ((area_par->xpos >= screen->mode.xres) ||
2077 (area_par->ypos >= screen->mode.yres) ||
2078 ((area_par->xsize <= 0) || (area_par->ysize <= 0))) {
2079 pr_warn("check config var fail 1:\n"
2080 "xpos=%d,xsize=%d,xres=%d\n"
2081 "ypos=%d,ysize=%d,yres=%d\n",
2082 area_par->xpos, area_par->xsize, screen->mode.xres,
2083 area_par->ypos, area_par->ysize, screen->mode.yres);
2089 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
2090 struct rk_fb_win_cfg_data *win_data,
2091 struct rk_fb_reg_data *regs, u32 cmd)
2094 struct rk_fb_win_par *win_par;
2095 struct rk_fb_area_par *area_par;
2096 struct rk_fb_reg_win_data *reg_win_data;
2097 struct rk_fb_reg_area_data *area_data;
2099 rk_fb_dbg(cmd, "-------------frame start-------------\n");
2100 rk_fb_dbg(cmd, "user config:\n");
2101 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2102 win_par = &(win_data->win_par[i]);
2103 if ((win_par->area_par[0].ion_fd <= 0) &&
2104 (win_par->area_par[0].phy_addr <= 0))
2106 rk_fb_dbg(cmd, "win[%d]:z_order=%d,galhpa_v=%d\n",
2107 win_par->win_id, win_par->z_order,
2108 win_par->g_alpha_val);
2109 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2110 area_par = &(win_par->area_par[j]);
2111 if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2112 ((win_par->area_par[j].ion_fd <= 0) &&
2113 (win_par->area_par[j].phy_addr <= 0)))
2115 rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion_fd=%d,phy_add=0x%x,xoff=%d,yoff=%d\n",
2116 j, area_par->data_format, area_par->ion_fd,
2117 area_par->phy_addr, area_par->x_offset,
2118 area_par->y_offset);
2119 rk_fb_dbg(cmd, " xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2120 area_par->xpos, area_par->ypos,
2121 area_par->xsize, area_par->ysize);
2122 rk_fb_dbg(cmd, " xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2123 area_par->xact, area_par->yact,
2124 area_par->xvir, area_par->yvir);
2125 rk_fb_dbg(cmd, " data_space%d\n",
2126 area_par->data_space);
2130 rk_fb_dbg(cmd, "regs data:\n");
2131 rk_fb_dbg(cmd, "win_num=%d,buf_num=%d\n",
2132 regs->win_num, regs->buf_num);
2133 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2134 reg_win_data = &(regs->reg_win_data[i]);
2135 if (reg_win_data->reg_area_data[0].smem_start <= 0)
2137 rk_fb_dbg(cmd, "win[%d]:z_order=%d,area_num=%d,area_buf_num=%d\n",
2138 reg_win_data->win_id, reg_win_data->z_order,
2139 reg_win_data->area_num, reg_win_data->area_buf_num);
2140 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2141 area_data = &(reg_win_data->reg_area_data[j]);
2142 if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2143 (area_data->smem_start <= 0))
2145 rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion=%p,smem_star=0x%lx,cbr_star=0x%lx\n",
2146 j, area_data->data_format, area_data->ion_handle,
2147 area_data->smem_start, area_data->cbr_start);
2148 rk_fb_dbg(cmd, " yoff=0x%x,coff=0x%x,area_data->buff_len=%x\n",
2149 area_data->y_offset, area_data->c_offset, area_data->buff_len);
2150 rk_fb_dbg(cmd, " xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2151 area_data->xpos, area_data->ypos,
2152 area_data->xsize, area_data->ysize);
2153 rk_fb_dbg(cmd, " xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2154 area_data->xact, area_data->yact,
2155 area_data->xvir, area_data->yvir);
2158 rk_fb_dbg(cmd, "-------------frame end---------------\n");
2162 static int rk_fb_config_backup(struct rk_lcdc_driver *dev_drv,
2163 struct rk_fb_win_cfg_data *win_cfg,
2164 struct rk_fb_reg_data *regs)
2168 /*2->1->0: 0 is newest*/
2169 for (i = 0; i < DUMP_FRAME_NUM - 1; i++) {
2170 memcpy(&dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 1 - i],
2171 &dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 2 - i],
2172 sizeof(struct rk_fb_win_cfg_data));
2173 memcpy(&dev_drv->tmp_regs[DUMP_FRAME_NUM - 1 - i],
2174 &dev_drv->tmp_regs[DUMP_FRAME_NUM - 2 - i],
2175 sizeof(struct rk_fb_reg_data));
2178 memcpy(&dev_drv->tmp_win_cfg[0], win_cfg,
2179 sizeof(struct rk_fb_win_cfg_data));
2180 memcpy(&dev_drv->tmp_regs[0], regs,
2181 sizeof(struct rk_fb_reg_data));
2186 static int rk_fb_set_wb_buffer(struct fb_info *info,
2187 struct rk_fb_wb_cfg *wb_cfg,
2188 struct rk_fb_reg_wb_data *wb_data)
2191 ion_phys_addr_t phy_addr;
2194 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2195 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2196 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2198 if ((wb_cfg->phy_addr == 0) && (wb_cfg->ion_fd == 0)) {
2202 if (wb_cfg->phy_addr == 0) {
2203 wb_data->ion_handle =
2204 ion_import_dma_buf(rk_fb->ion_client,
2206 if (IS_ERR(wb_data->ion_handle)) {
2207 pr_info("Could not import handle: %ld\n",
2208 (long)wb_data->ion_handle);
2211 if (dev_drv->iommu_enabled)
2212 ret = ion_map_iommu(dev_drv->dev,
2214 wb_data->ion_handle,
2215 (unsigned long *)&phy_addr,
2216 (unsigned long *)&len);
2218 ret = ion_phys(rk_fb->ion_client, wb_data->ion_handle,
2221 pr_err("ion map to get phy addr failed\n");
2222 ion_free(rk_fb->ion_client, wb_data->ion_handle);
2225 wb_data->smem_start = phy_addr;
2227 wb_data->smem_start = wb_cfg->phy_addr;
2230 fb_data_fmt = rk_fb_data_fmt(wb_cfg->data_format, 0);
2231 if (IS_YUV_FMT(fb_data_fmt))
2232 wb_data->cbr_start = wb_data->smem_start +
2233 wb_cfg->xsize * wb_cfg->ysize;
2234 wb_data->xsize = wb_cfg->xsize;
2235 wb_data->ysize = wb_cfg->ysize;
2236 wb_data->data_format = fb_data_fmt;
2242 static int rk_fb_set_win_buffer(struct fb_info *info,
2243 struct rk_fb_win_par *win_par,
2244 struct rk_fb_reg_win_data *reg_win_data)
2246 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2247 struct fb_fix_screeninfo *fix = &info->fix;
2248 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2249 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2250 /*if hdmi size move to hwc,screen should point to cur_screen
2251 *otherwise point to screen0[main screen]*/
2252 struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
2253 struct fb_info *fbi;
2254 int i, ion_fd, acq_fence_fd;
2255 u32 xvir = 0, yvir = 0;
2256 u32 xoffset = 0, yoffset = 0;
2258 struct ion_handle *hdl;
2263 u32 vir_width_bit = 0;
2264 u32 stride = 0, uv_stride = 0;
2265 u32 stride_32bit_1 = 0;
2266 u32 stride_32bit_2 = 0;
2267 u16 uv_x_off = 0, uv_y_off = 0, uv_y_act = 0;
2269 u8 ppixel_a = 0, global_a = 0;
2270 ion_phys_addr_t phy_addr;
2274 reg_win_data->reg_area_data[0].smem_start = -1;
2275 reg_win_data->area_num = 0;
2276 fbi = rk_fb->fb[win_par->win_id + dev_drv->fb_index_base];
2277 if (win_par->area_par[0].phy_addr == 0) {
2278 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2279 ion_fd = win_par->area_par[i].ion_fd;
2282 ion_import_dma_buf(rk_fb->ion_client,
2285 pr_info("%s: win[%d]area[%d] can't import handle\n",
2286 __func__, win_par->win_id, i);
2287 pr_info("fd: %d, hdl: 0x%p, ion_client: 0x%p\n",
2288 ion_fd, hdl, rk_fb->ion_client);
2292 reg_win_data->reg_area_data[i].ion_handle = hdl;
2293 if (dev_drv->iommu_enabled)
2294 ret = ion_map_iommu(dev_drv->dev,
2297 (unsigned long *)&phy_addr,
2298 (unsigned long *)&len);
2300 ret = ion_phys(rk_fb->ion_client, hdl,
2303 dev_err(fbi->dev, "ion map to get phy addr failed\n");
2304 ion_free(rk_fb->ion_client, hdl);
2307 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2308 reg_win_data->area_num++;
2309 reg_win_data->area_buf_num++;
2310 reg_win_data->reg_area_data[i].index_buf = 1;
2311 reg_win_data->reg_area_data[i].buff_len = len;
2315 reg_win_data->reg_area_data[0].smem_start =
2316 win_par->area_par[0].phy_addr;
2317 reg_win_data->area_num = 1;
2318 reg_win_data->area_buf_num++;
2319 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2322 if (reg_win_data->area_num == 0) {
2323 for (i = 0; i < RK_WIN_MAX_AREA; i++)
2324 reg_win_data->reg_area_data[i].smem_start = 0;
2325 reg_win_data->z_order = -1;
2326 reg_win_data->win_id = -1;
2330 for (i = 0; i < reg_win_data->area_num; i++) {
2331 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2332 index_buf = reg_win_data->reg_area_data[i].index_buf;
2333 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2334 reg_win_data->reg_area_data[i].acq_fence =
2335 sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2338 if (reg_win_data->reg_area_data[0].smem_start > 0) {
2339 reg_win_data->z_order = win_par->z_order;
2340 reg_win_data->win_id = win_par->win_id;
2342 reg_win_data->z_order = -1;
2343 reg_win_data->win_id = -1;
2346 reg_win_data->mirror_en = win_par->mirror_en;
2347 for (i = 0; i < reg_win_data->area_num; i++) {
2348 u8 data_format = win_par->area_par[i].data_format;
2349 /*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
2350 reg_win_data->colorspace = CSC_FORMAT(data_format);
2351 data_format &= ~CSC_MASK;
2352 fb_data_fmt = rk_fb_data_fmt(data_format, 0);
2353 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
2354 reg_win_data->reg_area_data[i].data_space =
2355 win_par->area_par[i].data_space;
2356 if (IS_FBDC_FMT(fb_data_fmt)) {
2357 reg_win_data->reg_area_data[i].fbdc_en = 1;
2358 reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
2360 reg_win_data->reg_area_data[i].fbdc_en = 0;
2361 reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
2363 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2365 ppixel_a |= ((fb_data_fmt == ARGB888) ||
2366 (fb_data_fmt == FBDC_ARGB_888) ||
2367 (fb_data_fmt == FBDC_ABGR_888) ||
2368 (fb_data_fmt == ABGR888)) ? 1 : 0;
2369 /*act_height should be 2 pix align for interlace output*/
2370 if (win_par->area_par[i].yact % 2 == 1) {
2371 win_par->area_par[i].yact -= 1;
2372 win_par->area_par[i].ysize -= 1;
2375 /* buf offset should be 2 pix align*/
2376 if ((win_par->area_par[i].x_offset % 2 == 1) &&
2377 IS_YUV_FMT(fb_data_fmt)) {
2378 win_par->area_par[i].x_offset += 1;
2379 win_par->area_par[i].xact -= 1;
2382 /* visiable pos in panel */
2383 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2384 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2386 /* realy size in panel */
2387 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2388 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2390 /* realy size in panel */
2391 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2392 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2394 xoffset = win_par->area_par[i].x_offset; /* buf offset */
2395 yoffset = win_par->area_par[i].y_offset;
2396 reg_win_data->reg_area_data[i].xoff = xoffset;
2397 reg_win_data->reg_area_data[i].yoff = yoffset;
2399 xvir = win_par->area_par[i].xvir;
2400 reg_win_data->reg_area_data[i].xvir = xvir;
2401 yvir = win_par->area_par[i].yvir;
2402 reg_win_data->reg_area_data[i].yvir = yvir;
2404 vir_width_bit = pixel_width * xvir;
2405 /* pixel_width = byte_num*8 */
2406 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2407 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2409 stride = stride_32bit_1; /* default rgb */
2410 fix->line_length = stride;
2411 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2413 /* x y mirror ,jump line
2414 * reg_win_data->reg_area_data[i].y_offset =
2415 * yoffset*stride+xoffset*pixel_width/8;
2417 if (screen->y_mirror || reg_win_data->mirror_en) {
2418 if (screen->interlace == 1) {
2419 reg_win_data->reg_area_data[i].y_offset =
2420 yoffset * stride * 2 +
2421 ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2422 xoffset * pixel_width / 8;
2424 reg_win_data->reg_area_data[i].y_offset =
2426 (reg_win_data->reg_area_data[i].yact - 1) * stride +
2427 xoffset * pixel_width / 8;
2430 if (screen->interlace == 1) {
2431 reg_win_data->reg_area_data[i].y_offset =
2432 yoffset * stride * 2 +
2433 xoffset * pixel_width / 8;
2435 reg_win_data->reg_area_data[i].y_offset =
2437 xoffset * pixel_width / 8;
2440 if (IS_RGB_FMT(fb_data_fmt) && dev_drv->iommu_enabled) {
2441 buff_len = yoffset * stride +
2442 xoffset * pixel_width / 8 +
2443 reg_win_data->reg_area_data[i].xvir *
2444 reg_win_data->reg_area_data[i].yact *
2446 reg_win_data->reg_area_data[i].xoff*
2448 if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2449 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2451 "=buff_len[0x%x]>>mmu len=0x%x\n",
2453 reg_win_data->reg_area_data[i].xvir,
2454 reg_win_data->reg_area_data[i].yact,
2455 pixel_width, buff_len,
2456 reg_win_data->reg_area_data[i].buff_len);
2460 global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2461 reg_win_data->alpha_en = ppixel_a | global_a;
2462 reg_win_data->g_alpha_val = win_par->g_alpha_val;
2463 reg_win_data->alpha_mode = win_par->alpha_mode;
2465 switch (fb_data_fmt) {
2469 stride = stride_32bit_1;
2470 uv_stride = stride_32bit_1;
2473 fix->line_length = stride;
2474 uv_y_act = win_par->area_par[0].yact >> 1;
2476 case YUV420: /* nv12 */
2477 case YUV420_NV21: /* nv21 */
2480 stride = stride_32bit_1;
2481 uv_stride = stride_32bit_1;
2483 uv_y_off = yoffset >> 1;
2484 fix->line_length = stride;
2485 uv_y_act = win_par->area_par[0].yact >> 1;
2490 stride = stride_32bit_1;
2491 uv_stride = stride_32bit_2;
2492 uv_x_off = xoffset * 2;
2494 fix->line_length = stride << 2;
2495 uv_y_act = win_par->area_par[0].yact;
2500 if (is_pic_yuv == 1) {
2501 reg_win_data->reg_area_data[0].cbr_start =
2502 reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2503 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2504 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2505 if (screen->interlace == 1) {
2506 reg_win_data->reg_area_data[0].c_offset =
2507 uv_y_off * uv_stride * 2 +
2508 ((uv_y_act - 1) * 2 + 1) * uv_stride +
2509 uv_x_off * pixel_width / 8;
2511 reg_win_data->reg_area_data[0].c_offset =
2512 uv_y_off * uv_stride +
2513 (uv_y_act - 1) * uv_stride +
2514 uv_x_off * pixel_width / 8;
2517 if (screen->interlace == 1) {
2518 reg_win_data->reg_area_data[0].c_offset =
2519 uv_y_off * uv_stride * 2 +
2520 uv_x_off * pixel_width / 8;
2522 reg_win_data->reg_area_data[0].c_offset =
2523 uv_y_off * uv_stride +
2524 uv_x_off * pixel_width / 8;
2527 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2528 uv_y_off * uv_stride + uv_x_off * pixel_width / 8 +
2529 reg_win_data->reg_area_data[0].xvir *
2530 reg_win_data->reg_area_data[0].yact *
2532 reg_win_data->reg_area_data[0].smem_start -
2533 reg_win_data->reg_area_data[0].xoff*
2535 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2536 dev_drv->iommu_enabled)
2537 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2539 "=buff_len[0x%x]>>mmu len=0x%x\n",
2541 reg_win_data->reg_area_data[0].xvir,
2542 reg_win_data->reg_area_data[0].yact,
2543 pixel_width, buff_len,
2544 reg_win_data->reg_area_data[0].buff_len);
2547 /* record buffer information for rk_fb_disp_scale to prevent fence
2548 * timeout because rk_fb_disp_scale will call function
2549 * info->fbops->fb_set_par(info);
2550 * delete by hjc for new hdmi overscan framework.
2552 /* info->var.yoffset = yoffset;
2553 * info->var.xoffset = xoffset;
2558 static int rk_fb_set_win_config(struct fb_info *info,
2559 struct rk_fb_win_cfg_data *win_data)
2561 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2562 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2563 struct rk_fb_reg_data *regs;
2565 struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2566 struct sync_fence *retire_fence;
2567 struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2568 struct sync_pt *retire_sync_pt;
2569 char fence_name[20];
2571 int ret = 0, i, j = 0;
2572 int list_is_empty = 0;
2573 struct rk_screen *screen = dev_drv->cur_screen;
2575 mutex_lock(&dev_drv->output_lock);
2577 for (i = 0; i < 4; i++) {
2578 for (j = 0; j < 4; j++) {
2579 if ((win_data->win_par[i].area_par[j].ion_fd > 0) ||
2580 (win_data->win_par[i].area_par[j].phy_addr > 0))
2581 ret += rk_fb_check_config_var(
2582 &win_data->win_par[i].area_par[j],
2586 if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
2587 dev_drv->timeline_max++;
2588 sw_sync_timeline_inc(dev_drv->timeline, 1);
2589 if (dev_drv->suspend_flag)
2590 pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
2591 else if (dev_drv->hdmi_switch)
2592 pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
2594 pr_err("error config ,ignore\n");
2595 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2596 win_data->rel_fence_fd[j] = -1;
2597 win_data->ret_fence_fd = -1;
2601 regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2603 pr_info("could not allocate rk_fb_reg_data\n");
2608 for (i = 0, j = 0; i < dev_drv->lcdc_win_num; i++) {
2609 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2610 if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2611 ®s->reg_win_data[j])) {
2613 pr_info("error:%s[%d]\n", __func__, __LINE__);
2616 if (regs->reg_win_data[j].area_num > 0) {
2619 regs->reg_win_data[j].area_buf_num;
2623 pr_info("error:win_id bigger than lcdc_win_num\n");
2624 pr_info("i=%d,win_id=%d\n", i,
2625 win_data->win_par[i].win_id);
2628 if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
2629 rk_fb_set_wb_buffer(info, &win_data->wb_cfg,
2630 ®s->reg_wb_data);
2631 if (regs->win_num <= 0)
2632 goto err_null_frame;
2634 dev_drv->timeline_max++;
2636 win_data->ret_fence_fd = get_unused_fd_flags(0);
2637 if (win_data->ret_fence_fd < 0) {
2638 pr_err("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2639 win_data->ret_fence_fd = -1;
2643 for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2644 if (i < regs->buf_num) {
2645 sprintf(fence_name, "fence%d", i);
2646 win_data->rel_fence_fd[i] = get_unused_fd_flags(0);
2647 if (win_data->rel_fence_fd[i] < 0) {
2648 pr_info("rel_fence_fd=%d\n",
2649 win_data->rel_fence_fd[i]);
2653 release_sync_pt[i] =
2654 sw_sync_pt_create(dev_drv->timeline,
2655 dev_drv->timeline_max);
2657 sync_fence_create(fence_name, release_sync_pt[i]);
2658 sync_fence_install(release_fence[i],
2659 win_data->rel_fence_fd[i]);
2661 win_data->rel_fence_fd[i] = -1;
2666 sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2667 retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2668 sync_fence_install(retire_fence, win_data->ret_fence_fd);
2670 for (i = 0; i < RK_MAX_BUF_NUM; i++)
2671 win_data->rel_fence_fd[i] = -1;
2673 win_data->ret_fence_fd = -1;
2675 if (dev_drv->wait_fs == 0) {
2676 mutex_lock(&dev_drv->update_regs_list_lock);
2677 list_add_tail(®s->list, &dev_drv->update_regs_list);
2678 mutex_unlock(&dev_drv->update_regs_list_lock);
2679 queue_kthread_work(&dev_drv->update_regs_worker,
2680 &dev_drv->update_regs_work);
2682 mutex_lock(&dev_drv->update_regs_list_lock);
2683 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2684 list_empty(&dev_drv->saved_list);
2685 mutex_unlock(&dev_drv->update_regs_list_lock);
2686 if (!list_is_empty) {
2687 ret = wait_event_timeout(dev_drv->update_regs_wait,
2688 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2689 msecs_to_jiffies(60));
2691 rk_fb_update_reg(dev_drv, regs);
2693 pr_info("%s: wait update_regs_wait timeout\n", __func__);
2694 } else if (ret == 0) {
2695 rk_fb_update_reg(dev_drv, regs);
2698 if (rk_fb_debug_lvl > 0)
2699 rk_fb_config_debug(dev_drv, win_data, regs, rk_fb_debug_lvl);
2700 if (rk_fb_iommu_debug > 0)
2701 rk_fb_config_backup(dev_drv, win_data, regs);
2703 mutex_unlock(&dev_drv->output_lock);
2706 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2707 win_data->rel_fence_fd[j] = -1;
2708 win_data->ret_fence_fd = -1;
2709 pr_info("win num = %d,null frame\n", regs->win_num);
2711 rk_fb_config_debug(dev_drv, win_data, regs, 0);
2713 mutex_unlock(&dev_drv->output_lock);
2719 static int cfgdone_distlist[10] = { 0 };
2721 static int cfgdone_index;
2722 static int cfgdone_lasttime;
2724 int rk_get_real_fps(int before)
2726 struct timespec now;
2732 int index = cfgdone_index;
2741 getnstimeofday(&now);
2742 dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2745 for (i = 0; i < 10; i++) {
2748 total += cfgdone_distlist[index];
2750 dist_first = cfgdone_distlist[index];
2751 if (total < (before * 1000)) {
2752 dist_total += cfgdone_distlist[index];
2759 dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2760 dist_total += dist_curr;
2764 fps = (1000000 * dist_count) / dist_total;
2770 EXPORT_SYMBOL(rk_get_real_fps);
2774 static struct ion_handle *ion_hanle[ION_MAX];
2775 static struct ion_handle *ion_hwc[1];
2776 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2779 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2780 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2781 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2782 struct fb_fix_screeninfo *fix = &info->fix;
2783 struct rk_lcdc_win *win;
2784 int enable; /* enable fb:1 enable;0 disable */
2785 int ovl; /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2786 int num_buf; /* buffer_number */
2788 struct rk_fb_win_cfg_data win_data;
2789 unsigned int dsp_addr[4][4];
2792 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2793 void __user *argp = (void __user *)arg;
2795 win = dev_drv->win[win_id];
2797 case RK_FBIOSET_HWC_ADDR:
2801 if (copy_from_user(hwc_phy, argp, 4))
2803 if (!dev_drv->iommu_enabled) {
2804 fix->smem_start = hwc_phy[0];
2807 struct ion_handle *hdl;
2808 ion_phys_addr_t phy_addr;
2811 usr_fd = hwc_phy[0];
2813 fix->smem_start = 0;
2814 fix->mmio_start = 0;
2815 dev_drv->ops->open(dev_drv, win_id, 0);
2819 if (ion_hwc[0] != 0) {
2820 ion_free(rk_fb->ion_client, ion_hwc[0]);
2824 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2826 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2831 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2832 (unsigned long *)&phy_addr,
2833 (unsigned long *)&len);
2835 dev_err(info->dev, "ion map to get hwc phy addr failed");
2836 ion_free(rk_fb->ion_client, hdl);
2839 fix->smem_start = phy_addr;
2844 case RK_FBIOSET_YUV_ADDR:
2848 if (copy_from_user(yuv_phy, argp, 8))
2850 if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2851 fix->smem_start = yuv_phy[0];
2852 fix->mmio_start = yuv_phy[1];
2854 int usr_fd, offset, tmp;
2855 struct ion_handle *hdl;
2856 ion_phys_addr_t phy_addr;
2859 usr_fd = yuv_phy[0];
2860 offset = yuv_phy[1] - yuv_phy[0];
2862 fix->smem_start = 0;
2863 fix->mmio_start = 0;
2867 if (ion_hanle[ION_MAX - 1] != 0) {
2868 /*ion_unmap_kernel(rk_fb->ion_client,
2869 * ion_hanle[ION_MAX - 1]);
2870 *ion_unmap_iommu(dev_drv->dev,
2871 * rk_fb->ion_client,
2872 * ion_hanle[ION_MAX - 1]);
2874 ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2875 ion_hanle[ION_MAX - 1] = 0;
2878 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2880 dev_err(info->dev, "failed to get ion handle:%ld\n",
2885 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2886 (unsigned long *)&phy_addr,
2887 (unsigned long *)&len);
2889 dev_err(info->dev, "ion map to get phy addr failed");
2890 ion_free(rk_fb->ion_client, hdl);
2893 fix->smem_start = phy_addr;
2894 fix->mmio_start = phy_addr + offset;
2895 fix->smem_len = len;
2896 /*info->screen_base =
2897 * ion_map_kernel(rk_fb->ion_client, hdl);
2900 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2901 ion_hanle[tmp] = ion_hanle[tmp - 1];
2906 case RK_FBIOSET_ENABLE:
2907 if (copy_from_user(&enable, argp, sizeof(enable)))
2909 if (enable && fb_par->state)
2913 dev_drv->ops->open(dev_drv, win_id, enable);
2915 case RK_FBIOGET_ENABLE:
2916 enable = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
2917 if (copy_to_user(argp, &enable, sizeof(enable)))
2920 case RK_FBIOSET_OVERLAY_STA:
2921 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2923 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2925 case RK_FBIOGET_OVERLAY_STA:
2926 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2927 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2930 case RK_FBIOPUT_NUM_BUFFERS:
2931 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2933 dev_drv->num_buf = num_buf;
2935 case RK_FBIOSET_VSYNC_ENABLE:
2936 if (copy_from_user(&enable, argp, sizeof(enable)))
2939 dev_drv->vsync_info.active++;
2941 dev_drv->vsync_info.active--;
2943 case RK_FBIOGET_DSP_ADDR:
2944 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2945 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2948 case RK_FBIOGET_LIST_STA:
2949 list_stat = rk_fb_get_list_stat(dev_drv);
2950 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2954 case RK_FBIOGET_IOMMU_STA:
2955 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2956 sizeof(dev_drv->iommu_enabled)))
2959 #if defined(CONFIG_ION_ROCKCHIP)
2960 case RK_FBIOSET_DMABUF_FD:
2963 struct ion_handle *hdl;
2964 ion_phys_addr_t phy_addr;
2967 if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2970 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2971 ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2972 fix->smem_start = phy_addr;
2975 case RK_FBIOGET_DMABUF_FD:
2979 if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2981 "get dma_buf fd failed,ion handle is err\n");
2982 return PTR_ERR(fb_par->ion_hdl);
2984 fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2988 "ion_share_dma_buf_fd failed\n");
2991 if (copy_to_user(argp, &fd, sizeof(fd)))
2996 case RK_FBIOSET_CLEAR_FB:
2997 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2999 case RK_FBIOSET_CONFIG_DONE:
3002 struct timespec now;
3004 getnstimeofday(&now);
3005 curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
3006 cfgdone_distlist[cfgdone_index++] =
3007 curr - cfgdone_lasttime;
3008 cfgdone_lasttime = curr;
3009 if (cfgdone_index >= 10)
3012 if (is_car_camcap()) {
3015 for (i = 0; i < RK_MAX_BUF_NUM; i++)
3016 win_data.rel_fence_fd[i] = -1;
3018 win_data.ret_fence_fd = -1;
3021 if (copy_from_user(&win_data,
3022 (struct rk_fb_win_cfg_data __user *)argp,
3023 sizeof(win_data))) {
3028 dev_drv->wait_fs = win_data.wait_fs;
3029 ret = rk_fb_set_win_config(info, &win_data);
3032 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
3033 &win_data, sizeof(win_data))) {
3037 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
3039 if (dev_drv->uboot_logo)
3040 dev_drv->uboot_logo = 0;
3044 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
3051 static int rk_fb_blank(int blank_mode, struct fb_info *info)
3053 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3054 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3055 struct fb_fix_screeninfo *fix = &info->fix;
3057 #if defined(CONFIG_RK_HDMI)
3058 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
3061 if (is_car_camcap())
3063 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
3066 mutex_lock(&dev_drv->switch_screen);
3067 #if defined(CONFIG_RK_HDMI)
3068 if ((rk_fb->disp_mode == ONE_DUAL) &&
3069 (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
3070 pr_info("hdmi is connect , not blank lcdc\n");
3074 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
3076 mutex_unlock(&dev_drv->switch_screen);
3080 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
3082 if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
3083 (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
3084 ((16 != var->bits_per_pixel) &&
3085 (32 != var->bits_per_pixel) &&
3086 (24 != var->bits_per_pixel))) {
3087 dev_err(info->dev, "%s check var fail 1:\n"
3088 "xres_vir:%d>>yres_vir:%d\n"
3089 "xres:%d>>yres:%d\n"
3090 "bits_per_pixel:%d\n",
3094 var->xres, var->yres, var->bits_per_pixel);
3098 if (((var->xoffset + var->xres) > var->xres_virtual) ||
3099 ((var->yoffset + var->yres) > (var->yres_virtual))) {
3100 dev_err(info->dev, "%s check_var fail 2:\n"
3101 "xoffset:%d>>xres:%d>>xres_vir:%d\n"
3102 "yoffset:%d>>yres:%d>>yres_vir:%d\n",
3107 var->yoffset, var->yres, var->yres_virtual);
3114 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
3115 size_t count, loff_t *ppos)
3117 unsigned long p = *ppos;
3120 int c, cnt = 0, err = 0;
3121 unsigned long total_size;
3122 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3123 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3124 struct rk_lcdc_win *win = NULL;
3127 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3131 win = dev_drv->win[win_id];
3133 /* only read the current frame buffer */
3134 if (win->area[0].format == RGB565) {
3135 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
3136 } else if ((win->area[0].format == YUV420) ||
3137 (win->area[0].format == YUV420_NV21)) {
3139 (win->area[0].y_vir_stride * win->area[0].yact * 6);
3141 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
3143 if (p >= total_size)
3146 if (count >= total_size)
3149 if (count + p > total_size)
3150 count = total_size - p;
3152 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3156 src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3159 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3161 fb_memcpy_fromfb(dst, src, c);
3165 if (copy_to_user(buf, buffer, c)) {
3177 return (err) ? err : cnt;
3180 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
3181 size_t count, loff_t *ppos)
3183 unsigned long p = *ppos;
3186 int c, cnt = 0, err = 0;
3187 unsigned long total_size;
3188 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3189 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3190 struct rk_lcdc_win *win = NULL;
3193 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3197 win = dev_drv->win[win_id];
3199 /* write the current frame buffer */
3200 if (win->area[0].format == RGB565)
3201 total_size = win->area[0].xact * win->area[0].yact << 1;
3203 total_size = win->area[0].xact * win->area[0].yact << 2;
3208 if (count > total_size) {
3213 if (count + p > total_size) {
3217 count = total_size - p;
3220 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3224 dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3227 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3230 if (copy_from_user(src, buf, c)) {
3235 fb_memcpy_tofb(dst, src, c);
3246 return (cnt) ? cnt : err;
3249 static int rk_fb_set_par(struct fb_info *info)
3251 struct fb_var_screeninfo *var = &info->var;
3252 struct fb_fix_screeninfo *fix = &info->fix;
3253 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3254 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3255 struct rk_lcdc_win *win = NULL;
3256 struct rk_screen *screen = dev_drv->cur_screen;
3258 u16 xsize = 0, ysize = 0; /* winx display window height/width --->LCDC_WINx_DSP_INFO */
3259 u32 xoffset = var->xoffset; /* offset from virtual to visible */
3260 u32 yoffset = var->yoffset;
3261 u16 xpos = (var->nonstd >> 8) & 0xfff; /*visiable pos in panel */
3262 u16 ypos = (var->nonstd >> 20) & 0xfff;
3263 u32 xvir = var->xres_virtual;
3264 u8 data_format = var->nonstd & 0xff;
3268 u32 stride, uv_stride = 0;
3271 u16 uv_x_off, uv_y_off, uv_y_act;
3273 /*var->pixclock = dev_drv->pixclock;*/
3274 if (dev_drv->suspend_flag || is_car_camcap())
3276 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3280 win = dev_drv->win[win_id];
3282 /* if the application has specific the hor and ver display size */
3283 if (var->grayscale >> 8) {
3284 xsize = (var->grayscale >> 8) & 0xfff;
3285 ysize = (var->grayscale >> 20) & 0xfff;
3286 if (xsize > screen->mode.xres)
3287 xsize = screen->mode.xres;
3288 if (ysize > screen->mode.yres)
3289 ysize = screen->mode.yres;
3290 } else { /*ohterwise full screen display */
3291 xsize = screen->mode.xres;
3292 ysize = screen->mode.yres;
3295 win->colorspace = CSC_FORMAT(data_format);
3296 data_format &= ~CSC_MASK;
3297 fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
3298 if (IS_FBDC_FMT(fb_data_fmt)) {
3299 win->area[0].fbdc_en = 1;
3300 win->area[0].fbdc_cor_en = 1;
3302 win->area[0].fbdc_en = 0;
3303 win->area[0].fbdc_cor_en = 0;
3305 pixel_width = rk_fb_pixel_width(fb_data_fmt);
3306 vir_width_bit = pixel_width * xvir;
3307 /* pixel_width = byte_num * 8 */
3308 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3309 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3311 switch (fb_data_fmt) {
3315 stride = stride_32bit_1;
3316 uv_stride = stride_32bit_1;
3319 fix->line_length = stride;
3320 uv_y_act = win->area[0].yact >> 1;
3322 case YUV420: /* nv12 */
3323 case YUV420_NV21: /* nv21 */
3326 stride = stride_32bit_1;
3327 uv_stride = stride_32bit_1;
3329 uv_y_off = yoffset >> 1;
3330 fix->line_length = stride;
3331 uv_y_act = win->area[0].yact >> 1;
3336 stride = stride_32bit_1;
3337 uv_stride = stride_32bit_2;
3338 uv_x_off = xoffset * 2;
3340 fix->line_length = stride << 2;
3341 uv_y_act = win->area[0].yact;
3344 stride = stride_32bit_1; /* default rgb */
3345 fix->line_length = stride;
3349 win->area[0].format = fb_data_fmt;
3350 win->area[0].y_vir_stride = stride >> 2;
3351 win->area[0].uv_vir_stride = uv_stride >> 2;
3352 win->area[0].xpos = xpos;
3353 win->area[0].ypos = ypos;
3354 win->area[0].xsize = xsize;
3355 win->area[0].ysize = ysize;
3356 win->area[0].xact = var->xres; /* winx active window height,is a wint of vir */
3357 win->area[0].yact = var->yres;
3358 win->area[0].xvir = var->xres_virtual; /* virtual resolution stride --->LCDC_WINx_VIR */
3359 win->area[0].yvir = var->yres_virtual;
3360 win->area[0].xoff = xoffset;
3361 win->area[0].yoff = yoffset;
3364 win->last_state = 1;
3367 win->alpha_mode = 4; /* AB_SRC_OVER; */
3368 win->alpha_en = ((win->area[0].format == ARGB888) ||
3369 (win->area[0].format == FBDC_ARGB_888) ||
3370 (win->area[0].format == FBDC_ABGR_888) ||
3371 (win->area[0].format == ABGR888)) ? 1 : 0;
3372 win->g_alpha_val = 0;
3374 dev_drv->ops->set_par(dev_drv, win_id);
3379 static inline unsigned int chan_to_field(unsigned int chan,
3380 struct fb_bitfield *bf)
3383 chan >>= 16 - bf->length;
3384 return chan << bf->offset;
3387 static int fb_setcolreg(unsigned regno,
3388 unsigned red, unsigned green, unsigned blue,
3389 unsigned transp, struct fb_info *info)
3393 switch (info->fix.visual) {
3394 case FB_VISUAL_TRUECOLOR:
3395 /* true-colour, use pseudo-palette */
3397 u32 *pal = info->pseudo_palette;
3399 val = chan_to_field(red, &info->var.red);
3400 val |= chan_to_field(green, &info->var.green);
3401 val |= chan_to_field(blue, &info->var.blue);
3406 return -1; /* unknown type */
3412 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3414 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3415 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3416 struct ion_handle *handle = fb_par->ion_hdl;
3417 struct dma_buf *dma_buf = NULL;
3419 if (IS_ERR_OR_NULL(handle)) {
3420 dev_err(info->dev, "failed to get ion handle:%ld\n",
3424 dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3425 if (IS_ERR_OR_NULL(dma_buf)) {
3426 pr_info("get ion share dma buf failed\n");
3430 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3432 return dma_buf_mmap(dma_buf, vma, 0);
3435 static struct fb_ops fb_ops = {
3436 .owner = THIS_MODULE,
3437 .fb_open = rk_fb_open,
3438 .fb_release = rk_fb_close,
3439 .fb_check_var = rk_fb_check_var,
3440 .fb_set_par = rk_fb_set_par,
3441 .fb_blank = rk_fb_blank,
3442 .fb_ioctl = rk_fb_ioctl,
3443 .fb_compat_ioctl = rk_fb_ioctl,
3444 .fb_pan_display = rk_fb_pan_display,
3445 .fb_read = rk_fb_read,
3446 .fb_write = rk_fb_write,
3447 .fb_setcolreg = fb_setcolreg,
3448 .fb_fillrect = cfb_fillrect,
3449 .fb_copyarea = cfb_copyarea,
3450 .fb_imageblit = cfb_imageblit,
3453 static struct fb_var_screeninfo def_var = {
3454 #if defined(CONFIG_LOGO_LINUX_BMP)
3458 .transp = {0, 0, 0},
3459 .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3464 .transp = {0, 0, 0},
3465 .nonstd = HAL_PIXEL_FORMAT_RGB_565, /* (ypos<<20+xpos<<8+format) format */
3467 .grayscale = 0, /* (ysize<<20+xsize<<8) */
3468 .activate = FB_ACTIVATE_NOW,
3470 .vmode = FB_VMODE_NONINTERLACED,
3473 static struct fb_fix_screeninfo def_fix = {
3474 .type = FB_TYPE_PACKED_PIXELS,
3479 .accel = FB_ACCEL_NONE,
3480 .visual = FB_VISUAL_TRUECOLOR,
3484 static int rk_fb_wait_for_vsync_thread(void *data)
3486 struct rk_lcdc_driver *dev_drv = data;
3487 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3488 struct fb_info *fbi = rk_fb->fb[dev_drv->fb_index_base];
3490 while (!kthread_should_stop()) {
3491 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3492 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3493 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3494 (dev_drv->vsync_info.active > 0 || dev_drv->vsync_info.irq_stop));
3497 sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3503 static ssize_t rk_fb_vsync_show(struct device *dev,
3504 struct device_attribute *attr, char *buf)
3506 struct fb_info *fbi = dev_get_drvdata(dev);
3507 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3508 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3510 return scnprintf(buf, PAGE_SIZE, "%llu\n",
3511 ktime_to_ns(dev_drv->vsync_info.timestamp));
3514 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3517 * this two function is for other module that in the kernel which
3518 * need show image directly through fb
3519 * fb_id:we have 4 fb here,default we use fb0 for ui display
3521 struct fb_info *rk_get_fb(int fb_id)
3523 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3524 struct fb_info *fb = inf->fb[fb_id];
3527 EXPORT_SYMBOL(rk_get_fb);
3529 void rk_direct_fb_show(struct fb_info *fbi)
3532 rk_fb_pan_display(&fbi->var, fbi);
3534 EXPORT_SYMBOL(rk_direct_fb_show);
3536 int rk_fb_dpi_open(bool open)
3538 struct rk_lcdc_driver *dev_drv = NULL;
3540 dev_drv = rk_get_prmry_lcdc_drv();
3541 if (dev_drv->ops->dpi_open)
3542 dev_drv->ops->dpi_open(dev_drv, open);
3546 int rk_fb_dpi_win_sel(int win_id)
3548 struct rk_lcdc_driver *dev_drv = NULL;
3550 dev_drv = rk_get_prmry_lcdc_drv();
3551 if (dev_drv->ops->dpi_win_sel)
3552 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3556 int rk_fb_dpi_status(void)
3559 struct rk_lcdc_driver *dev_drv = NULL;
3561 dev_drv = rk_get_prmry_lcdc_drv();
3562 if (dev_drv->ops->dpi_status)
3563 ret = dev_drv->ops->dpi_status(dev_drv);
3569 * function: this function will be called by display device, enable/disable lcdc
3570 * @screen: screen timing to be set to lcdc
3571 * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3572 * @lcdc_id: the lcdc id the display device attached ,0 or 1
3574 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3576 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3577 struct fb_info *info = NULL;
3578 struct rk_fb_par *fb_par = NULL;
3579 struct rk_lcdc_driver *dev_drv = NULL;
3580 struct rk_lcdc_win *win;
3583 static bool load_screen;
3587 int ret, list_is_empty = 0;
3589 if (unlikely(!rk_fb) || unlikely(!screen))
3592 /* get lcdc driver */
3593 sprintf(name, "lcdc%d", lcdc_id);
3594 dev_drv = rk_get_lcdc_drv(name);
3596 if (dev_drv == NULL) {
3597 pr_err("%s driver not found!", name);
3600 if (screen->type == SCREEN_HDMI)
3601 pr_info("hdmi %s lcdc%d\n",
3602 enable ? "connect to" : "remove from",
3604 else if (screen->type == SCREEN_TVOUT ||
3605 screen->type == SCREEN_TVOUT_TEST)
3606 pr_info("cvbs %s lcdc%d\n",
3607 enable ? "connect to" : "remove from",
3609 if (enable == 2 /*&& dev_drv->enable*/)
3611 pr_info("switch:en=%d,lcdc_id=%d,screen type=%d,cur type=%d",
3612 enable, lcdc_id, screen->type, dev_drv->cur_screen->type);
3613 pr_info("data space: %d, color mode: %d\n",
3614 screen->data_space, screen->color_mode);
3616 mutex_lock(&dev_drv->switch_screen);
3617 dev_drv->hot_plug_state = enable;
3618 hdmi_switch_state = 0;
3619 dev_drv->hdmi_switch = 1;
3620 if (!dev_drv->uboot_logo) {
3622 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
3623 list_empty(&dev_drv->saved_list);
3624 if (!list_is_empty) {
3625 ret = wait_event_timeout(dev_drv->update_regs_wait,
3626 list_empty(&dev_drv->update_regs_list) &&
3627 list_empty(&dev_drv->saved_list),
3628 msecs_to_jiffies(60));
3630 pr_info("%s: wait update_regs_wait timeout\n",
3635 envp[0] = "switch vop screen";
3636 memset(envplcdc, 0, sizeof(envplcdc));
3637 memset(envpfbdev, 0, sizeof(envpfbdev));
3638 sprintf(envplcdc, "SCREEN=%d,ENABLE=%d,VOPID=%d", screen->type, enable, dev_drv->id);
3639 sprintf(envpfbdev, "FBDEV=%d", dev_drv->fb_index_base);
3641 envp[2] = envpfbdev;
3644 if ((rk_fb->disp_mode == ONE_DUAL) ||
3645 (rk_fb->disp_mode == NO_DUAL)) {
3646 if ((dev_drv->ops->backlight_close) &&
3647 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3648 dev_drv->ops->backlight_close(dev_drv, 1);
3649 if (!dev_drv->uboot_logo || load_screen ||
3650 (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3651 if (dev_drv->ops->dsp_black)
3652 dev_drv->ops->dsp_black(dev_drv, 0);
3654 if ((dev_drv->ops->set_screen_scaler) &&
3655 (rk_fb->disp_mode == ONE_DUAL))
3656 dev_drv->ops->set_screen_scaler(dev_drv,
3657 dev_drv->screen0, 0);
3660 /* if screen type is different, we do not disable lcdc. */
3661 if (dev_drv->cur_screen->type != screen->type) {
3662 dev_drv->hdmi_switch = 0;
3663 mutex_unlock(&dev_drv->switch_screen);
3667 /* if used one lcdc to dual disp, no need to close win */
3668 if ((rk_fb->disp_mode == ONE_DUAL) ||
3669 ((rk_fb->disp_mode == NO_DUAL) &&
3670 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))) {
3671 dev_drv->cur_screen = dev_drv->screen0;
3672 dev_drv->ops->load_screen(dev_drv, 1);
3673 /* force modify dsp size */
3674 info = rk_fb->fb[dev_drv->fb_index_base];
3675 info->var.grayscale &= 0xff;
3676 info->var.grayscale |=
3677 (dev_drv->cur_screen->mode.xres << 8) +
3678 (dev_drv->cur_screen->mode.yres << 20);
3679 mutex_lock(&dev_drv->win_config);
3680 info->var.xoffset = 0;
3681 info->var.yoffset = 0;
3682 info->fbops->fb_set_par(info);
3683 info->fbops->fb_pan_display(&info->var, info);
3684 mutex_unlock(&dev_drv->win_config);
3687 * if currently is loader display, black until new
3690 if (dev_drv->uboot_logo) {
3691 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3692 if (dev_drv->win[i] && dev_drv->win[i]->state &&
3693 dev_drv->ops->win_direct_en)
3694 dev_drv->ops->win_direct_en(dev_drv, i, 0);
3698 /*if (dev_drv->ops->dsp_black)
3699 * dev_drv->ops->dsp_black(dev_drv, 0);
3701 if ((dev_drv->ops->backlight_close) &&
3702 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3703 dev_drv->ops->backlight_close(dev_drv, 0);
3704 } else if (rk_fb->num_lcdc > 1) {
3705 /* If there is more than one lcdc device, we disable
3706 * the layer which attached to this device
3708 flush_kthread_worker(&dev_drv->update_regs_worker);
3709 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3710 if (dev_drv->win[i] && dev_drv->win[i]->state)
3711 dev_drv->ops->open(dev_drv, i, 0);
3714 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3716 hdmi_switch_state = 0;
3717 dev_drv->hdmi_switch = 0;
3718 mutex_unlock(&dev_drv->switch_screen);
3721 if (load_screen || (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3722 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3723 if (dev_drv->win[i] && dev_drv->win[i]->state &&
3724 dev_drv->ops->win_direct_en)
3725 dev_drv->ops->win_direct_en(dev_drv, i, 0);
3728 if (dev_drv->screen1)
3729 dev_drv->cur_screen = dev_drv->screen1;
3731 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3732 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3733 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3734 dev_drv->cur_screen->x_mirror =
3735 !!(dev_drv->rotate_mode & X_MIRROR);
3736 dev_drv->cur_screen->y_mirror =
3737 !!(dev_drv->rotate_mode & Y_MIRROR);
3740 if (!dev_drv->uboot_logo || load_screen ||
3741 (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3742 info = rk_fb->fb[dev_drv->fb_index_base];
3743 fb_par = (struct rk_fb_par *)info->par;
3745 win = dev_drv->win[win_id];
3746 if (win && fb_par->state) {
3747 dev_drv->ops->load_screen(dev_drv, 1);
3748 info->var.activate |= FB_ACTIVATE_FORCE;
3749 if (rk_fb->disp_mode == ONE_DUAL) {
3750 info->var.grayscale &= 0xff;
3751 info->var.grayscale |=
3752 (dev_drv->cur_screen->xsize << 8) +
3753 (dev_drv->cur_screen->ysize << 20);
3755 if (dev_drv->uboot_logo && win->state) {
3756 if (win->area[0].xpos ||
3757 win->area[0].ypos) {
3759 (screen->mode.xres -
3760 win->area[0].xsize) / 2;
3762 (screen->mode.yres -
3763 win->area[0].ysize) / 2;
3765 win->area[0].xsize = screen->mode.xres;
3766 win->area[0].ysize = screen->mode.yres;
3768 dev_drv->ops->set_par(dev_drv, i);
3769 dev_drv->ops->cfg_done(dev_drv);
3770 } else if (!dev_drv->win[win_id]->state) {
3771 dev_drv->ops->open(dev_drv, win_id, 1);
3772 info->fbops->fb_pan_display(&info->var, info);
3776 dev_drv->ops->load_screen(dev_drv, 0);
3778 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3780 if (dev_drv->cur_screen->width && dev_drv->cur_screen->height) {
3781 /* for vr auto dp support */
3782 info = rk_fb->fb[dev_drv->fb_index_base];
3783 info->var.width = dev_drv->cur_screen->width;
3784 info->var.height = dev_drv->cur_screen->height;
3785 pr_info("%s:info->var.width=%d, info->var.height=%d\n",
3786 __func__, info->var.width, info->var.height);
3789 hdmi_switch_state = 1;
3791 dev_drv->hdmi_switch = 0;
3792 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3793 if ((dev_drv->ops->set_screen_scaler) &&
3794 (rk_fb->disp_mode == ONE_DUAL))
3795 dev_drv->ops->set_screen_scaler(dev_drv,
3796 dev_drv->screen0, 1);
3797 /*if (dev_drv->ops->dsp_black)
3798 * dev_drv->ops->dsp_black(dev_drv, 0);*/
3799 if ((dev_drv->ops->backlight_close) &&
3800 (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3801 (rk_fb->disp_mode == ONE_DUAL))
3802 dev_drv->ops->backlight_close(dev_drv, 0);
3804 mutex_unlock(&dev_drv->switch_screen);
3809 * function:this function current only called by hdmi for
3811 * scale_x: scale rate of x resolution
3812 * scale_y: scale rate of y resolution
3813 * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3815 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3817 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3818 struct fb_info *info = NULL;
3819 struct fb_info *pmy_info = NULL;
3820 struct fb_var_screeninfo *var = NULL;
3821 struct rk_lcdc_driver *dev_drv = NULL;
3822 u16 screen_x, screen_y;
3825 struct rk_screen primary_screen;
3827 rk_fb_get_prmry_screen(&primary_screen);
3828 if (primary_screen.type == SCREEN_HDMI)
3831 pr_err("should not be here--%s\n", __func__);
3834 sprintf(name, "lcdc%d", lcdc_id);
3836 if (inf->disp_mode == DUAL) {
3837 dev_drv = rk_get_lcdc_drv(name);
3839 pr_err("%s driver not found!", name);
3843 dev_drv = inf->lcdc_dev_drv[0];
3846 if (inf->num_lcdc == 1) {
3848 } else if (inf->num_lcdc == 2) {
3849 info = inf->fb[dev_drv->lcdc_win_num];
3850 pmy_info = inf->fb[0];
3854 screen_x = dev_drv->cur_screen->mode.xres;
3855 screen_y = dev_drv->cur_screen->mode.yres;
3857 if (inf->disp_mode != DUAL && dev_drv->screen1) {
3858 dev_drv->cur_screen->xpos =
3859 (screen_x - screen_x * scale_x / 100) >> 1;
3860 dev_drv->cur_screen->ypos =
3861 (screen_y - screen_y * scale_y / 100) >> 1;
3862 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3863 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3865 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3866 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3867 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3868 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3869 if (inf->disp_mode == ONE_DUAL) {
3870 var->nonstd &= 0xff;
3871 var->nonstd |= (xpos << 8) + (ypos << 20);
3872 var->grayscale &= 0xff;
3874 (dev_drv->cur_screen->xsize << 8) +
3875 (dev_drv->cur_screen->ysize << 20);
3879 mutex_lock(&dev_drv->win_config);
3880 info->fbops->fb_set_par(info);
3881 dev_drv->ops->cfg_done(dev_drv);
3882 mutex_unlock(&dev_drv->win_config);
3887 #if defined(CONFIG_ION_ROCKCHIP)
3888 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3889 struct rk_lcdc_win *win,
3890 unsigned long fb_mem_size)
3892 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3893 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3894 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3895 struct ion_handle *handle;
3896 ion_phys_addr_t phy_addr;
3900 if (dev_drv->iommu_enabled)
3901 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3902 ION_HEAP_SYSTEM_MASK, 0);
3904 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3905 ION_HEAP_TYPE_DMA_MASK, 0);
3907 if (IS_ERR(handle)) {
3908 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3913 fb_par->ion_hdl = handle;
3914 win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3915 if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3916 pr_info("ion_share_dma_buf() failed\n");
3917 goto err_share_dma_buf;
3919 win->area[0].ion_hdl = handle;
3920 if (dev_drv->prop == PRMRY)
3921 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3922 if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3923 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3924 (unsigned long *)&phy_addr,
3925 (unsigned long *)&len);
3927 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3929 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3930 goto err_share_dma_buf;
3932 fbi->fix.smem_start = phy_addr;
3933 fbi->fix.smem_len = len;
3934 pr_info("alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3938 ion_free(rk_fb->ion_client, handle);
3943 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3945 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3946 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3947 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3948 struct rk_lcdc_win *win = NULL;
3951 unsigned long fb_mem_size;
3952 #if !defined(CONFIG_ION_ROCKCHIP)
3953 dma_addr_t fb_mem_phys;
3956 ion_phys_addr_t phy_addr;
3959 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3963 win = dev_drv->win[win_id];
3965 if (!strcmp(fbi->fix.id, "fb0")) {
3966 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3967 #if defined(CONFIG_ION_ROCKCHIP)
3968 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3971 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3972 &fb_mem_phys, GFP_KERNEL);
3974 pr_err("%s: Failed to allocate framebuffer\n",
3978 fbi->fix.smem_len = fb_mem_size;
3979 fbi->fix.smem_start = fb_mem_phys;
3980 fbi->screen_base = fb_mem_virt;
3982 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3984 if (dev_drv->prop == EXTEND && dev_drv->iommu_enabled) {
3985 struct rk_lcdc_driver *dev_drv_prmry;
3988 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3989 #if defined(CONFIG_ION_ROCKCHIP)
3990 dev_drv_prmry = rk_get_prmry_lcdc_drv();
3991 if (dev_drv_prmry == NULL)
3994 dev_drv_prmry->ops->fb_get_win_id(dev_drv_prmry,
3996 if (win_id_prmry < 0)
4000 dev_drv_prmry->win[win_id_prmry]->area[0].ion_hdl;
4002 ion_map_kernel(rk_fb->ion_client,
4004 dev_drv->win[win_id]->area[0].ion_hdl =
4006 if (dev_drv->mmu_dev)
4007 ret = ion_map_iommu(dev_drv->dev,
4010 (unsigned long *)&phy_addr,
4011 (unsigned long *)&len);
4013 ret = ion_phys(rk_fb->ion_client,
4017 dev_err(fbi->dev, "ion map to get phy addr failed\n");
4020 fbi->fix.smem_start = phy_addr;
4021 fbi->fix.smem_len = len;
4023 fb_mem_virt = dma_alloc_writecombine(fbi->dev,
4028 pr_err("%s: Failed to allocate framebuffer\n",
4032 fbi->fix.smem_len = fb_mem_size;
4033 fbi->fix.smem_start = fb_mem_phys;
4034 fbi->screen_base = fb_mem_virt;
4037 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
4038 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
4039 fbi->screen_base = rk_fb->fb[0]->screen_base;
4043 fbi->screen_size = fbi->fix.smem_len;
4044 fb_par->fb_phy_base = fbi->fix.smem_start;
4045 fb_par->fb_virt_base = fbi->screen_base;
4046 fb_par->fb_size = fbi->fix.smem_len;
4048 pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
4049 fbi->fix.smem_start, fbi->screen_base,
4055 static int rk_release_fb_buffer(struct fb_info *fbi)
4057 /* buffer for fb1 and fb3 are alloc by android */
4058 if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
4060 iounmap(fbi->screen_base);
4061 release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
4066 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
4067 struct rk_lcdc_win *def_win)
4070 int lcdc_win_num = dev_drv->lcdc_win_num;
4072 for (i = 0; i < lcdc_win_num; i++) {
4073 struct rk_lcdc_win *win = NULL;
4075 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
4077 dev_err(dev_drv->dev, "kzmalloc for win fail!");
4081 strcpy(win->name, def_win[i].name);
4082 win->id = def_win[i].id;
4083 win->support_3d = def_win[i].support_3d;
4084 win->property.feature = def_win[i].property.feature;
4085 win->property.max_input_x = def_win[i].property.max_input_x;
4086 win->property.max_input_y = def_win[i].property.max_input_y;
4087 dev_drv->win[i] = win;
4093 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
4094 struct rk_lcdc_win *def_win, int index)
4096 struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
4097 struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
4098 sizeof(struct rk_screen),
4103 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
4108 screen->screen_id = 0;
4109 screen->lcdc_id = dev_drv->id;
4110 screen->overscan.left = 100;
4111 screen->overscan.top = 100;
4112 screen->overscan.right = 100;
4113 screen->overscan.bottom = 100;
4115 screen->x_mirror = !!(dev_drv->rotate_mode & X_MIRROR);
4116 screen->y_mirror = !!(dev_drv->rotate_mode & Y_MIRROR);
4118 dev_drv->screen0 = screen;
4119 dev_drv->cur_screen = screen;
4120 /* devie use one lcdc + rk61x scaler for dual display */
4121 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
4122 struct rk_screen *screen1 =
4123 devm_kzalloc(dev_drv->dev,
4124 sizeof(struct rk_screen),
4127 dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
4131 screen1->screen_id = 1;
4132 screen1->lcdc_id = 1;
4133 dev_drv->screen1 = screen1;
4135 sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
4136 init_lcdc_win(dev_drv, def_win);
4137 init_completion(&dev_drv->frame_done);
4138 spin_lock_init(&dev_drv->cpl_lock);
4139 mutex_init(&dev_drv->fb_win_id_mutex);
4140 mutex_init(&dev_drv->win_config);
4141 mutex_init(&dev_drv->front_lock);
4142 mutex_init(&dev_drv->switch_screen);
4143 dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
4144 dev_drv->first_frame = 1;
4145 dev_drv->overscan.left = 100;
4146 dev_drv->overscan.top = 100;
4147 dev_drv->overscan.right = 100;
4148 dev_drv->overscan.bottom = 100;
4149 for (i = 0; i < RK30_MAX_LAYER_SUPPORT; i++)
4150 dev_drv->area_support[i] = 1;
4151 if (dev_drv->ops->area_support_num)
4152 dev_drv->ops->area_support_num(dev_drv, dev_drv->area_support);
4153 rk_disp_pwr_ctr_parse_dt(dev_drv);
4154 if (dev_drv->prop == PRMRY) {
4155 rk_fb_set_prmry_screen(screen);
4156 rk_fb_get_prmry_screen(screen);
4158 dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
4159 if (dev_drv->prop != PRMRY)
4160 rk_fb_get_extern_screen(screen);
4161 dev_drv->output_color = screen->color_mode;
4166 #ifdef CONFIG_LOGO_LINUX_BMP
4167 static struct linux_logo *bmp_logo;
4168 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
4170 bmp_logo = fb_find_logo(24);
4171 if (bmp_logo == NULL) {
4172 pr_info("%s error\n", __func__);
4178 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
4180 unsigned char *src = bmp_logo->data;
4181 unsigned char *dst = info->screen_base;
4183 unsigned int needwidth = (*(src - 24) << 8) | (*(src - 23));
4184 unsigned int needheight = (*(src - 22) << 8) | (*(src - 21));
4186 for (i = 0; i < needheight; i++)
4187 memcpy(dst + info->var.xres * i * 4,
4188 src + bmp_logo->width * i * 4, needwidth * 4);
4193 * check if the primary lcdc has registered,
4194 * the primary lcdc mas register first
4196 bool is_prmry_rk_lcdc_registered(void)
4198 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4200 if (rk_fb->lcdc_dev_drv[0])
4206 phys_addr_t uboot_logo_base;
4207 phys_addr_t uboot_logo_size;
4208 phys_addr_t uboot_logo_offset;
4210 static int __init rockchip_uboot_mem_late_init(void)
4214 if (uboot_logo_size) {
4215 void *start = phys_to_virt(uboot_logo_base);
4216 void *end = phys_to_virt(uboot_logo_base + uboot_logo_size);
4218 err = memblock_free(uboot_logo_base, uboot_logo_size);
4220 pr_err("%s: freeing memblock failed: %d\n",
4222 free_reserved_area(start, end, -1, "logo");
4227 late_initcall(rockchip_uboot_mem_late_init);
4229 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
4230 struct rk_lcdc_win *win, int id)
4232 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4233 struct fb_info *fbi;
4234 struct rk_fb_par *fb_par = NULL;
4235 int i = 0, ret = 0, index = 0;
4236 unsigned long flags;
4237 char time_line_name[16];
4240 if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
4243 for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
4244 if (!rk_fb->lcdc_dev_drv[i]) {
4245 rk_fb->lcdc_dev_drv[i] = dev_drv;
4246 rk_fb->lcdc_dev_drv[i]->id = id;
4253 init_lcdc_device_driver(rk_fb, win, index);
4254 dev_drv->fb_index_base = rk_fb->num_fb;
4255 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
4256 fbi = framebuffer_alloc(0, &fb_pdev->dev);
4258 dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
4261 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
4264 dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
4268 fb_par->id = rk_fb->num_fb;
4269 fb_par->lcdc_drv = dev_drv;
4270 fbi->par = (void *)fb_par;
4273 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
4274 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
4275 if (dev_drv->dsp_mode == ONE_VOP_DUAL_MIPI_VER_SCAN) {
4278 fbi->var.xres_virtual /= 2;
4279 fbi->var.yres_virtual *= 2;
4281 fbi->var.width = dev_drv->cur_screen->width;
4282 fbi->var.height = dev_drv->cur_screen->height;
4283 fbi->var.grayscale |=
4284 (fbi->var.xres << 8) + (fbi->var.yres << 20);
4285 #if defined(CONFIG_LOGO_LINUX_BMP)
4286 fbi->var.bits_per_pixel = 32;
4288 fbi->var.bits_per_pixel = 16;
4290 fbi->fix.line_length =
4291 (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
4292 if (dev_drv->iommu_enabled)
4293 fb_ops.fb_mmap = rk_fb_mmap;
4294 fbi->fbops = &fb_ops;
4295 fbi->flags = FBINFO_FLAG_DEFAULT;
4296 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
4297 ret = register_framebuffer(fbi);
4299 dev_err(&fb_pdev->dev,
4300 "%s fb%d register_framebuffer fail!\n",
4301 __func__, rk_fb->num_fb);
4304 rkfb_create_sysfs(fbi);
4305 rk_fb->fb[rk_fb->num_fb] = fbi;
4306 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
4311 init_waitqueue_head(&dev_drv->vsync_info.wait);
4312 init_waitqueue_head(&dev_drv->update_regs_wait);
4313 ret = device_create_file(fbi->dev, &dev_attr_vsync);
4316 "failed to create vsync file\n");
4317 dev_drv->vsync_info.thread =
4318 kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
4320 if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
4322 "failed to run vsync thread\n");
4323 dev_drv->vsync_info.thread = NULL;
4325 dev_drv->vsync_info.active = 1;
4327 mutex_init(&dev_drv->output_lock);
4329 INIT_LIST_HEAD(&dev_drv->update_regs_list);
4330 INIT_LIST_HEAD(&dev_drv->saved_list);
4331 mutex_init(&dev_drv->update_regs_list_lock);
4332 init_kthread_worker(&dev_drv->update_regs_worker);
4334 dev_drv->update_regs_thread =
4335 kthread_run(kthread_worker_fn,
4336 &dev_drv->update_regs_worker, "rk-fb");
4337 if (IS_ERR(dev_drv->update_regs_thread)) {
4338 int err = PTR_ERR(dev_drv->update_regs_thread);
4340 dev_drv->update_regs_thread = NULL;
4341 pr_info("failed to run update_regs thread\n");
4344 init_kthread_work(&dev_drv->update_regs_work,
4345 rk_fb_update_regs_handler);
4347 snprintf(time_line_name, sizeof(time_line_name),
4348 "vop%d-timeline", id);
4350 sw_sync_timeline_create(time_line_name);
4351 dev_drv->timeline_max = 1;
4355 /* show logo for primary display device */
4356 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
4357 if (dev_drv->prop == PRMRY) {
4361 struct fb_info *main_fbi = rk_fb->fb[0];
4363 main_fbi->fbops->fb_open(main_fbi, 1);
4364 main_fbi->var.pixclock = dev_drv->pixclock;
4365 if (dev_drv->iommu_enabled) {
4366 if (dev_drv->mmu_dev)
4367 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4368 rk_fb_sysmmu_fault_handler);
4371 rk_fb_alloc_buffer(main_fbi); /* only alloc memory for main fb */
4372 dev_drv->uboot_logo = support_uboot_display();
4374 if (dev_drv->uboot_logo &&
4375 uboot_logo_offset && uboot_logo_base) {
4376 int width, height, bits, xvir;
4377 phys_addr_t start = uboot_logo_base + uboot_logo_offset;
4378 unsigned int size = uboot_logo_size - uboot_logo_offset;
4379 unsigned int nr_pages;
4381 struct page **pages;
4383 int logo_len, i = 0;
4385 if (dev_drv->ops->get_dspbuf_info)
4386 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4387 &yact, &format, &dsp_addr, &ymirror);
4388 logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
4389 nr_pages = size >> PAGE_SHIFT;
4390 pages = kzalloc(sizeof(struct page) * nr_pages,
4394 while (i < nr_pages) {
4395 pages[i] = phys_to_page(start);
4399 vaddr = vmap(pages, nr_pages, VM_MAP, PAGE_KERNEL);
4401 pr_err("failed to vmap phy addr 0x%lx\n",
4402 (long)(uboot_logo_base +
4403 uboot_logo_offset));
4408 if (bmpdecoder(vaddr, main_fbi->screen_base, &width,
4416 if (width != xact || height != yact) {
4417 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
4418 xact, yact, width, height);
4421 xvir = ALIGN(width * bits, 1 << 5) >> 5;
4423 local_irq_save(flags);
4424 if (dev_drv->ops->wait_frame_start)
4425 dev_drv->ops->wait_frame_start(dev_drv, 0);
4426 mirror = ymirror || dev_drv->cur_screen->y_mirror;
4427 if (dev_drv->ops->post_dspbuf) {
4428 dev_drv->ops->post_dspbuf(dev_drv,
4429 main_fbi->fix.smem_start +
4430 (mirror ? logo_len : 0),
4431 rk_fb_data_fmt(0, bits),
4432 width, height, xvir,
4435 if (dev_drv->iommu_enabled) {
4436 rk_fb_poll_wait_frame_complete();
4437 if (dev_drv->ops->mmu_en)
4438 dev_drv->ops->mmu_en(dev_drv);
4441 local_irq_restore(flags);
4443 } else if (dev_drv->uboot_logo && uboot_logo_base) {
4444 u32 start = uboot_logo_base;
4445 int logo_len, i = 0;
4447 unsigned int nr_pages;
4448 struct page **pages;
4450 int align = 0, xvir;
4452 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4456 logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
4457 if (logo_len > uboot_logo_size ||
4458 logo_len > main_fbi->fix.smem_len) {
4459 pr_err("logo size > uboot reserve buffer size\n");
4465 align = start % PAGE_SIZE;
4467 nr_pages = PAGE_ALIGN(logo_len + align) >> PAGE_SHIFT;
4468 pages = kzalloc(sizeof(struct page) * nr_pages,
4472 while (i < nr_pages) {
4473 pages[i] = phys_to_page(start);
4477 vaddr = vmap(pages, nr_pages, VM_MAP, PAGE_KERNEL);
4479 pr_err("failed to vmap phy addr 0x%x\n",
4485 memcpy(main_fbi->screen_base, vaddr + align, logo_len);
4489 xvir = ALIGN(xact * rk_fb_pixel_width(format),
4491 local_irq_save(flags);
4492 if (dev_drv->ops->wait_frame_start)
4493 dev_drv->ops->wait_frame_start(dev_drv, 0);
4494 mirror = y_mirror || dev_drv->cur_screen->y_mirror;
4495 dev_drv->ops->post_dspbuf(dev_drv,
4496 main_fbi->fix.smem_start +
4497 (mirror ? logo_len : 0),
4501 if (dev_drv->iommu_enabled) {
4502 rk_fb_poll_wait_frame_complete();
4503 if (dev_drv->ops->mmu_en)
4504 dev_drv->ops->mmu_en(dev_drv);
4507 local_irq_restore(flags);
4510 if (dev_drv->iommu_enabled) {
4511 if (dev_drv->ops->mmu_en)
4512 dev_drv->ops->mmu_en(dev_drv);
4516 #if defined(CONFIG_LOGO)
4517 main_fbi->fbops->fb_set_par(main_fbi);
4518 #if defined(CONFIG_LOGO_LINUX_BMP)
4519 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
4520 fb_set_cmap(&main_fbi->cmap, main_fbi);
4521 fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
4524 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
4525 fb_set_cmap(&main_fbi->cmap, main_fbi);
4526 fb_show_logo(main_fbi, FB_ROTATE_UR);
4529 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
4532 struct fb_info *extend_fbi = rk_fb->fb[dev_drv->fb_index_base];
4534 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
4535 if (rk_fb->disp_mode == DUAL_LCD) {
4536 extend_fbi->fbops->fb_open(extend_fbi, 1);
4537 if (dev_drv->iommu_enabled) {
4538 if (dev_drv->mmu_dev)
4539 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4540 rk_fb_sysmmu_fault_handler);
4542 rk_fb_alloc_buffer(extend_fbi);
4549 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
4551 struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
4552 struct fb_info *fbi;
4553 int fb_index_base = dev_drv->fb_index_base;
4554 int fb_num = dev_drv->lcdc_win_num;
4557 if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4558 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4559 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4562 for (i = 0; i < fb_num; i++)
4563 kfree(dev_drv->win[i]);
4565 for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4566 fbi = fb_inf->fb[i];
4567 unregister_framebuffer(fbi);
4568 /* rk_release_fb_buffer(fbi); */
4569 framebuffer_release(fbi);
4571 fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4577 int rk_fb_set_car_reverse_status(struct rk_lcdc_driver *dev_drv,
4580 char *envp[3] = {"Request", "FORCE UPDATE", NULL};
4584 flush_kthread_worker(&dev_drv->update_regs_worker);
4585 dev_drv->timeline_max++;
4587 sw_sync_timeline_inc(dev_drv->timeline, 1);
4589 pr_debug("%s: camcap reverse start...\n", __func__);
4592 kobject_uevent_env(&dev_drv->dev->kobj,
4594 pr_debug("%s: camcap reverse finish...\n", __func__);
4600 static int rk_fb_probe(struct platform_device *pdev)
4602 struct rk_fb *rk_fb = NULL;
4603 struct device_node *np = pdev->dev.of_node;
4605 struct device_node *node;
4608 dev_err(&pdev->dev, "Missing device tree node.\n");
4612 rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4614 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4617 platform_set_drvdata(pdev, rk_fb);
4619 if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4620 rk_fb->disp_mode = mode;
4623 dev_err(&pdev->dev, "no disp-mode node found!");
4627 if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
4628 rk_fb->disp_policy = mode;
4629 pr_info("fb disp policy is %s\n",
4630 rk_fb->disp_policy ? "box" : "sdk");
4633 if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4634 pr_info("uboot-logo-on:%d\n", uboot_logo_on);
4636 dev_set_name(&pdev->dev, "rockchip-fb");
4637 #if defined(CONFIG_ION_ROCKCHIP)
4638 rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4639 if (IS_ERR(rk_fb->ion_client)) {
4640 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4641 return PTR_ERR(rk_fb->ion_client);
4643 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4647 node = of_parse_phandle(np, "memory-region", 0);
4651 ret = of_address_to_resource(node, 0, &r);
4655 if (uboot_logo_on) {
4656 uboot_logo_base = r.start;
4657 uboot_logo_size = resource_size(&r);
4659 if (uboot_logo_size > SZ_16M)
4660 uboot_logo_offset = SZ_16M;
4662 uboot_logo_offset = 0;
4664 pr_info("logo: base=0x%llx, size=0x%llx, offset=0x%llx\n",
4665 uboot_logo_base, uboot_logo_size, uboot_logo_offset);
4669 dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4673 static int rk_fb_remove(struct platform_device *pdev)
4675 platform_set_drvdata(pdev, NULL);
4679 static void rk_fb_shutdown(struct platform_device *pdev)
4681 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4684 for (i = 0; i < rk_fb->num_lcdc; i++) {
4685 if (!rk_fb->lcdc_dev_drv[i])
4687 sw_sync_timeline_inc(rk_fb->lcdc_dev_drv[i]->timeline, 1);
4691 static const struct of_device_id rkfb_dt_ids[] = {
4692 {.compatible = "rockchip,rk-fb",},
4696 static struct platform_driver rk_fb_driver = {
4697 .probe = rk_fb_probe,
4698 .remove = rk_fb_remove,
4701 .owner = THIS_MODULE,
4702 .of_match_table = of_match_ptr(rkfb_dt_ids),
4704 .shutdown = rk_fb_shutdown,
4707 static int __init rk_fb_init(void)
4709 return platform_driver_register(&rk_fb_driver);
4712 static void __exit rk_fb_exit(void)
4714 platform_driver_unregister(&rk_fb_driver);
4717 fs_initcall(rk_fb_init);
4718 module_exit(rk_fb_exit);