2 * drivers/video/rockchip/rk_fb.c
4 * Copyright (C) ROCKCHIP, Inc.
5 * Author:yxj<yxj@rock-chips.com>
6 * This software is licensed under the terms of the GNU General Public
7 * License version 2, as published by the Free Software Foundation, and
8 * may be copied, distributed, and modified under those terms.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
16 #include <linux/module.h>
17 #include <linux/kernel.h>
18 #include <linux/errno.h>
19 #include <linux/string.h>
21 #include <linux/slab.h>
22 #include <linux/delay.h>
23 #include <linux/device.h>
24 #include <linux/kthread.h>
26 #include <linux/init.h>
27 #include <linux/vmalloc.h>
28 #include <asm/div64.h>
29 #include <linux/uaccess.h>
30 #include <linux/rk_fb.h>
31 #include <linux/linux_logo.h>
32 #include <linux/dma-mapping.h>
33 #include <linux/regulator/consumer.h>
35 #include "bmp_helper.h"
37 #if defined(CONFIG_RK_HDMI)
38 #include "hdmi/rockchip-hdmi.h"
41 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
47 #include <linux/of_platform.h>
48 #include <linux/of_gpio.h>
49 #include <video/of_display_timing.h>
50 #include <video/display_timing.h>
53 #if defined(CONFIG_ION_ROCKCHIP)
54 #include <linux/rockchip_ion.h>
55 #include <linux/rockchip-iovmm.h>
56 #include <linux/dma-buf.h>
57 #include <linux/highmem.h>
61 /* #define FB_ROATE_BY_KERNEL 1 */
63 static int hdmi_switch_state;
64 static struct platform_device *fb_pdev;
66 #if defined(CONFIG_FB_MIRRORING)
67 int (*video_data_to_mirroring)(struct fb_info *info, u32 yuv_phy[2]);
68 EXPORT_SYMBOL(video_data_to_mirroring);
71 extern phys_addr_t uboot_logo_base;
72 extern phys_addr_t uboot_logo_size;
73 extern phys_addr_t uboot_logo_offset;
74 static struct rk_fb_trsm_ops *trsm_lvds_ops;
75 static struct rk_fb_trsm_ops *trsm_edp_ops;
76 static struct rk_fb_trsm_ops *trsm_mipi_ops;
77 static int uboot_logo_on;
79 static int rk_fb_debug_lvl;
80 static int rk_fb_iommu_debug;
81 module_param(rk_fb_debug_lvl, int, S_IRUGO | S_IWUSR);
82 module_param(rk_fb_iommu_debug, int, S_IRUGO | S_IWUSR);
84 #define rk_fb_dbg(level, x...) do { \
85 if (unlikely(rk_fb_debug_lvl >= level)) \
88 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
89 struct rk_fb_win_cfg_data *win_data,
90 struct rk_fb_reg_data *regs, u32 cmd);
91 int support_uboot_display(void)
96 int rk_fb_get_display_policy(void)
101 rk_fb = platform_get_drvdata(fb_pdev);
102 return rk_fb->disp_policy;
104 return DISPLAY_POLICY_SDK;
108 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
113 case SCREEN_DUAL_LVDS:
114 case SCREEN_LVDS_10BIT:
115 case SCREEN_DUAL_LVDS_10BIT:
122 case SCREEN_DUAL_MIPI:
126 pr_warn("%s: unsupported transmitter: %d!\n",
133 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
135 struct rk_fb_trsm_ops *ops;
140 case SCREEN_DUAL_LVDS:
141 case SCREEN_LVDS_10BIT:
142 case SCREEN_DUAL_LVDS_10BIT:
149 case SCREEN_DUAL_MIPI:
154 pr_warn("%s: unsupported transmitter: %d!\n",
161 int rk_fb_pixel_width(int data_format)
165 switch (data_format) {
202 pr_warn("%s: unsupported format: 0x%x\n",
203 __func__, data_format);
209 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
214 switch (data_format) {
215 case HAL_PIXEL_FORMAT_RGBX_8888:
216 fb_data_fmt = XBGR888;
218 case HAL_PIXEL_FORMAT_BGRX_8888:
219 fb_data_fmt = XRGB888;
221 case HAL_PIXEL_FORMAT_RGBA_8888:
222 fb_data_fmt = ABGR888;
224 case HAL_PIXEL_FORMAT_BGRA_8888:
225 fb_data_fmt = ARGB888;
227 case HAL_PIXEL_FORMAT_RGB_888:
228 fb_data_fmt = RGB888;
230 case HAL_PIXEL_FORMAT_BGR_888:
231 fb_data_fmt = BGR888;
233 case HAL_PIXEL_FORMAT_RGB_565:
234 fb_data_fmt = RGB565;
236 case HAL_PIXEL_FORMAT_BGR_565:
237 fb_data_fmt = BGR565;
239 case HAL_PIXEL_FORMAT_YCbCr_422_SP: /* yuv422 */
240 fb_data_fmt = YUV422;
242 case HAL_PIXEL_FORMAT_YCrCb_420_SP: /* YUV420---vuvuvu */
243 fb_data_fmt = YUV420_NV21;
245 case HAL_PIXEL_FORMAT_YCrCb_NV12: /* YUV420---uvuvuv */
246 fb_data_fmt = YUV420;
248 case HAL_PIXEL_FORMAT_YCrCb_444: /* yuv444 */
249 fb_data_fmt = YUV444;
251 case HAL_PIXEL_FORMAT_YCrCb_NV12_10: /* yuv444 */
252 fb_data_fmt = YUV420_A;
254 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10: /* yuv444 */
255 fb_data_fmt = YUV422_A;
257 case HAL_PIXEL_FORMAT_YCrCb_444_SP_10: /* yuv444 */
258 fb_data_fmt = YUV444_A;
260 case HAL_PIXEL_FORMAT_FBDC_RGB565: /* fbdc rgb565*/
261 fb_data_fmt = FBDC_RGB_565;
263 case HAL_PIXEL_FORMAT_FBDC_U8U8U8U8: /* fbdc argb888 */
264 fb_data_fmt = FBDC_ARGB_888;
266 case HAL_PIXEL_FORMAT_FBDC_RGBA888: /* fbdc abgr888 */
267 fb_data_fmt = FBDC_ABGR_888;
269 case HAL_PIXEL_FORMAT_FBDC_U8U8U8: /* fbdc rgb888 */
270 fb_data_fmt = FBDC_RGBX_888;
272 case HAL_PIXEL_FORMAT_YUYV422: /* yuyv422 */
273 fb_data_fmt = YUYV422;
275 case HAL_PIXEL_FORMAT_YUYV420: /* yuyv420 */
276 fb_data_fmt = YUYV420;
278 case HAL_PIXEL_FORMAT_UYVY422: /* uyvy422 */
279 fb_data_fmt = UYVY422;
281 case HAL_PIXEL_FORMAT_UYVY420: /* uyvy420 */
282 fb_data_fmt = UYVY420;
285 pr_warn("%s: unsupported format: 0x%x\n",
286 __func__, data_format);
290 switch (bits_per_pixel) {
292 fb_data_fmt = ARGB888;
295 fb_data_fmt = RGB888;
298 fb_data_fmt = RGB565;
301 pr_warn("%s: unsupported bits_per_pixel: %d\n",
302 __func__, bits_per_pixel);
310 * rk display power control parse from dts
312 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
314 struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
316 struct device_node *child;
317 struct rk_disp_pwr_ctr_list *pwr_ctr;
318 struct list_head *pos;
319 enum of_gpio_flags flags;
324 INIT_LIST_HEAD(&dev_drv->pwrlist_head);
326 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
331 for_each_child_of_node(root, child) {
332 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
334 strcpy(pwr_ctr->pwr_ctr.name, child->name);
335 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
337 pwr_ctr->pwr_ctr.type = GPIO;
338 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
339 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
340 dev_err(dev_drv->dev, "%s ivalid gpio\n",
344 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
345 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
348 dev_err(dev_drv->dev,
349 "request %s gpio fail:%d\n",
354 pwr_ctr->pwr_ctr.type = REGULATOR;
355 pwr_ctr->pwr_ctr.rgl_name = NULL;
356 ret = of_property_read_string(child, "rockchip,regulator_name",
357 &(pwr_ctr->pwr_ctr.rgl_name));
358 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
359 dev_err(dev_drv->dev, "get regulator name failed!\n");
360 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
361 pwr_ctr->pwr_ctr.volt = val;
363 pwr_ctr->pwr_ctr.volt = 0;
367 if (!of_property_read_u32(child, "rockchip,delay", &val))
368 pwr_ctr->pwr_ctr.delay = val;
370 pwr_ctr->pwr_ctr.delay = 0;
371 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
374 of_property_read_u32(root, "rockchip,debug", &debug);
377 list_for_each(pos, &dev_drv->pwrlist_head) {
378 pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
380 pr_info("pwr_ctr_name:%s\n"
385 pwr_ctr->pwr_ctr.name,
386 (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
387 pwr_ctr->pwr_ctr.gpio,
388 pwr_ctr->pwr_ctr.atv_val,
389 pwr_ctr->pwr_ctr.delay);
396 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
398 struct list_head *pos;
399 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
400 struct pwr_ctr *pwr_ctr;
401 struct regulator *regulator_lcd = NULL;
404 if (list_empty(&dev_drv->pwrlist_head))
406 list_for_each(pos, &dev_drv->pwrlist_head) {
407 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
409 pwr_ctr = &pwr_ctr_list->pwr_ctr;
410 if (pwr_ctr->type == GPIO) {
411 gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
412 mdelay(pwr_ctr->delay);
413 } else if (pwr_ctr->type == REGULATOR) {
414 if (pwr_ctr->rgl_name)
416 regulator_get(NULL, pwr_ctr->rgl_name);
417 if (regulator_lcd == NULL) {
418 dev_err(dev_drv->dev,
419 "%s: regulator get failed,regulator name:%s\n",
420 __func__, pwr_ctr->rgl_name);
423 regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
424 while (!regulator_is_enabled(regulator_lcd)) {
425 if (regulator_enable(regulator_lcd) == 0 || count == 0)
428 dev_err(dev_drv->dev,
429 "regulator_enable failed,count=%d\n",
433 regulator_put(regulator_lcd);
434 msleep(pwr_ctr->delay);
441 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
443 struct list_head *pos;
444 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
445 struct pwr_ctr *pwr_ctr;
446 struct regulator *regulator_lcd = NULL;
449 if (list_empty(&dev_drv->pwrlist_head))
451 list_for_each(pos, &dev_drv->pwrlist_head) {
452 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
454 pwr_ctr = &pwr_ctr_list->pwr_ctr;
455 if (pwr_ctr->type == GPIO) {
456 gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
457 } else if (pwr_ctr->type == REGULATOR) {
458 if (pwr_ctr->rgl_name)
459 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
460 if (regulator_lcd == NULL) {
461 dev_err(dev_drv->dev,
462 "%s: regulator get failed,regulator name:%s\n",
463 __func__, pwr_ctr->rgl_name);
466 while (regulator_is_enabled(regulator_lcd) > 0) {
467 if (regulator_disable(regulator_lcd) == 0 ||
471 dev_err(dev_drv->dev,
472 "regulator_disable failed,count=%d\n",
476 regulator_put(regulator_lcd);
482 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
483 struct rk_screen *screen)
485 screen->mode.pixclock = dt->pixelclock.typ;
486 screen->mode.left_margin = dt->hback_porch.typ;
487 screen->mode.right_margin = dt->hfront_porch.typ;
488 screen->mode.xres = dt->hactive.typ;
489 screen->mode.hsync_len = dt->hsync_len.typ;
490 screen->mode.upper_margin = dt->vback_porch.typ;
491 screen->mode.lower_margin = dt->vfront_porch.typ;
492 screen->mode.yres = dt->vactive.typ;
493 screen->mode.vsync_len = dt->vsync_len.typ;
494 screen->type = dt->screen_type;
495 screen->lvds_format = dt->lvds_format;
496 screen->face = dt->face;
497 screen->color_mode = dt->color_mode;
498 screen->dsp_lut = dt->dsp_lut;
499 screen->cabc_lut = dt->cabc_lut;
500 screen->cabc_gamma_base = dt->cabc_gamma_base;
502 if (dt->flags & DISPLAY_FLAGS_INTERLACED)
503 screen->mode.vmode |= FB_VMODE_INTERLACED;
504 if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
505 screen->pin_dclk = 1;
507 screen->pin_dclk = 0;
508 if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
509 screen->pin_hsync = 1;
511 screen->pin_hsync = 0;
512 if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
513 screen->pin_vsync = 1;
515 screen->pin_vsync = 0;
516 if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
524 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
526 struct display_timings *disp_timing;
527 struct display_timing *dt;
529 disp_timing = of_get_display_timings(np);
531 pr_err("parse display timing err\n");
534 dt = display_timings_get(disp_timing, disp_timing->native_mode);
535 rk_fb_video_mode_from_timing(dt, screen);
540 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
543 unsigned long long hz;
546 pr_err("%s:null screen!\n", __func__);
549 x = screen->mode.xres + screen->mode.left_margin +
550 screen->mode.right_margin + screen->mode.hsync_len;
551 y = screen->mode.yres + screen->mode.upper_margin +
552 screen->mode.lower_margin + screen->mode.vsync_len;
554 hz = 1000000000000ULL; /* 1e12 picoseconds per second */
557 do_div(hz, x * y); /* divide by x * y with rounding */
560 do_div(hz, pixclock); /* divide by pixclock with rounding */
565 char *get_format_string(enum data_format format, char *fmt)
571 strcpy(fmt, "ARGB888");
574 strcpy(fmt, "RGB888");
577 strcpy(fmt, "BGR888");
580 strcpy(fmt, "RGB565");
583 strcpy(fmt, "BGR565");
587 strcpy(fmt, "YUV420");
590 strcpy(fmt, "YUV422");
593 strcpy(fmt, "YUV444");
596 strcpy(fmt, "YUV420_A");
599 strcpy(fmt, "YUV422_A");
602 strcpy(fmt, "YUV444_A");
605 strcpy(fmt, "XRGB888");
608 strcpy(fmt, "XBGR888");
611 strcpy(fmt, "ABGR888");
614 strcpy(fmt, "FBDC_RGB_565");
618 strcpy(fmt, "FBDC_ARGB_888");
621 strcpy(fmt, "FBDC_RGBX_888");
624 strcpy(fmt, "YUYV422");
627 strcpy(fmt, "YUYV420");
630 strcpy(fmt, "UYVY422");
633 strcpy(fmt, "UYVY420");
636 strcpy(fmt, "invalid");
645 * name: lcdc device name ,lcdc0 , lcdc1
647 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
649 struct rk_fb *inf = NULL;
650 struct rk_lcdc_driver *dev_drv = NULL;
654 inf = platform_get_drvdata(fb_pdev);
658 for (i = 0; i < inf->num_lcdc; i++) {
659 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
660 dev_drv = inf->lcdc_dev_drv[i];
668 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
670 struct rk_fb *inf = NULL;
671 struct rk_lcdc_driver *dev_drv = NULL;
675 inf = platform_get_drvdata(fb_pdev);
679 for (i = 0; i < inf->num_lcdc; i++) {
680 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
681 dev_drv = inf->lcdc_dev_drv[i];
689 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
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 (inf->lcdc_dev_drv[i]->prop == EXTEND) {
702 dev_drv = inf->lcdc_dev_drv[i];
711 * get one frame time of the prmry screen, unit: us
713 u32 rk_fb_get_prmry_screen_ft(void)
715 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
716 u32 htotal, vtotal, pixclock_ps;
717 u64 pix_total, ft_us;
719 if (unlikely(!dev_drv))
722 pixclock_ps = dev_drv->pixclock;
724 vtotal = dev_drv->cur_screen->mode.upper_margin +
725 dev_drv->cur_screen->mode.lower_margin +
726 dev_drv->cur_screen->mode.yres +
727 dev_drv->cur_screen->mode.vsync_len;
728 htotal = dev_drv->cur_screen->mode.left_margin +
729 dev_drv->cur_screen->mode.right_margin +
730 dev_drv->cur_screen->mode.xres +
731 dev_drv->cur_screen->mode.hsync_len;
732 pix_total = htotal * vtotal;
733 ft_us = pix_total * pixclock_ps;
734 do_div(ft_us, 1000000);
735 if (dev_drv->frame_time.ft == 0)
736 dev_drv->frame_time.ft = ft_us;
738 ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
740 ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
742 dev_drv->frame_time.ft = ft_us;
744 return dev_drv->frame_time.ft;
748 * get the vblanking time of the prmry screen, unit: us
750 u32 rk_fb_get_prmry_screen_vbt(void)
752 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
753 u32 htotal, vblank, pixclock_ps;
754 u64 pix_blank, vbt_us;
756 if (unlikely(!dev_drv))
759 pixclock_ps = dev_drv->pixclock;
761 htotal = (dev_drv->cur_screen->mode.left_margin +
762 dev_drv->cur_screen->mode.right_margin +
763 dev_drv->cur_screen->mode.xres +
764 dev_drv->cur_screen->mode.hsync_len);
765 vblank = (dev_drv->cur_screen->mode.upper_margin +
766 dev_drv->cur_screen->mode.lower_margin +
767 dev_drv->cur_screen->mode.vsync_len);
768 pix_blank = htotal * vblank;
769 vbt_us = pix_blank * pixclock_ps;
770 do_div(vbt_us, 1000000);
775 * get the frame done time of the prmry screen, unit: us
777 u64 rk_fb_get_prmry_screen_framedone_t(void)
779 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
781 if (unlikely(!dev_drv))
784 return dev_drv->frame_time.framedone_t;
788 * set prmry screen status
790 int rk_fb_set_prmry_screen_status(int status)
792 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
793 struct rk_screen *screen;
795 if (unlikely(!dev_drv))
798 screen = dev_drv->cur_screen;
800 case SCREEN_PREPARE_DDR_CHANGE:
801 if (screen->type == SCREEN_MIPI ||
802 screen->type == SCREEN_DUAL_MIPI) {
803 if (dev_drv->trsm_ops->dsp_pwr_off)
804 dev_drv->trsm_ops->dsp_pwr_off();
807 case SCREEN_UNPREPARE_DDR_CHANGE:
808 if (screen->type == SCREEN_MIPI ||
809 screen->type == SCREEN_DUAL_MIPI) {
810 if (dev_drv->trsm_ops->dsp_pwr_on)
811 dev_drv->trsm_ops->dsp_pwr_on();
821 u32 rk_fb_get_prmry_screen_pixclock(void)
823 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
825 if (unlikely(!dev_drv))
828 return dev_drv->pixclock;
831 int rk_fb_poll_prmry_screen_vblank(void)
833 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
835 if (likely(dev_drv)) {
836 if (dev_drv->ops->poll_vblank)
837 return dev_drv->ops->poll_vblank(dev_drv);
839 return RK_LF_STATUS_NC;
841 return RK_LF_STATUS_NC;
845 bool rk_fb_poll_wait_frame_complete(void)
847 uint32_t timeout = RK_LF_MAX_TIMEOUT;
848 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
850 if (likely(dev_drv)) {
851 if (dev_drv->ops->set_irq_to_cpu)
852 dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
855 if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
856 if (likely(dev_drv)) {
857 if (dev_drv->ops->set_irq_to_cpu)
858 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
862 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
864 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
866 if (likely(dev_drv)) {
867 if (dev_drv->ops->set_irq_to_cpu)
868 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
874 /* rk_fb_get_sysmmu_device_by_compatible()
875 * @compt: dts device compatible name
876 * return value: success: pointer to the device inside of platform device
879 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
881 struct device_node *dn = NULL;
882 struct platform_device *pd = NULL;
883 struct device *ret = NULL ;
885 dn = of_find_compatible_node(NULL, NULL, compt);
887 pr_info("can't find device node %s \r\n", compt);
891 pd = of_find_device_by_node(dn);
893 pr_info("can't find platform device node %s \r\n", compt);
901 #ifdef CONFIG_IOMMU_API
902 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
904 dev->archdata.iommu = sysmmu;
907 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
912 static int rk_fb_open(struct fb_info *info, int user)
914 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
915 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
918 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
920 /* if this win aready opened ,no need to reopen */
921 if (dev_drv->win[win_id]->state)
924 dev_drv->ops->open(dev_drv, win_id, 1);
928 static int rk_fb_close(struct fb_info *info, int user)
930 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
931 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
932 struct rk_lcdc_win *win = NULL;
933 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
936 win = dev_drv->win[win_id];
939 if (!fb_par->state) {
940 if (fb_par->fb_phy_base > 0)
941 info->fix.smem_start = fb_par->fb_phy_base;
942 info->var.xres = dev_drv->screen0->mode.xres;
943 info->var.yres = dev_drv->screen0->mode.yres;
945 *info->var.grayscale |=
946 * (info->var.xres << 8) + (info->var.yres << 20);
948 info->var.xres_virtual = info->var.xres;
949 info->var.yres_virtual = info->var.yres;
950 #if defined(CONFIG_LOGO_LINUX_BMP)
951 info->var.bits_per_pixel = 32;
953 info->var.bits_per_pixel = 16;
955 info->fix.line_length =
956 (info->var.xres_virtual) *
957 (info->var.bits_per_pixel >> 3);
958 info->var.width = dev_drv->screen0->width;
959 info->var.height = dev_drv->screen0->height;
960 info->var.pixclock = dev_drv->pixclock;
961 info->var.left_margin =
962 dev_drv->screen0->mode.left_margin;
963 info->var.right_margin =
964 dev_drv->screen0->mode.right_margin;
965 info->var.upper_margin =
966 dev_drv->screen0->mode.upper_margin;
967 info->var.lower_margin =
968 dev_drv->screen0->mode.lower_margin;
969 info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
970 info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
977 #if defined(FB_ROATE_BY_KERNEL)
979 #if defined(CONFIG_RK29_IPP)
980 static int get_ipp_format(int fmt)
982 int ipp_fmt = IPP_XRGB_8888;
985 case HAL_PIXEL_FORMAT_RGBX_8888:
986 case HAL_PIXEL_FORMAT_BGRX_8888:
987 case HAL_PIXEL_FORMAT_RGBA_8888:
988 case HAL_PIXEL_FORMAT_BGRA_8888:
989 case HAL_PIXEL_FORMAT_RGB_888:
990 case HAL_PIXEL_FORMAT_BGR_888:
991 ipp_fmt = IPP_XRGB_8888;
993 case HAL_PIXEL_FORMAT_RGB_565:
994 case HAL_PIXEL_FORMAT_BGR_565:
995 ipp_fmt = IPP_RGB_565;
997 case HAL_PIXEL_FORMAT_YCbCr_422_SP:
998 ipp_fmt = IPP_Y_CBCR_H2V1;
1000 case HAL_PIXEL_FORMAT_YCrCb_NV12:
1001 ipp_fmt = IPP_Y_CBCR_H2V2;
1003 case HAL_PIXEL_FORMAT_YCrCb_444:
1004 ipp_fmt = IPP_Y_CBCR_H1V1;
1007 ipp_fmt = IPP_IMGTYPE_LIMIT;
1014 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
1015 int rotation, int fmt)
1020 if (fmt == IPP_XRGB_8888) {
1023 } else if (fmt == IPP_RGB_565) {
1030 align16 -= 1; /*for YUV, 1 */
1031 align64 -= 1; /*for YUV, 7 */
1033 if (rotation == IPP_ROT_0) {
1034 if (fmt > IPP_RGB_565) {
1035 if ((*dst_w & 1) != 0)
1036 *dst_w = *dst_w + 1;
1037 if ((*dst_h & 1) != 0)
1038 *dst_h = *dst_h + 1;
1039 if (*dst_vir_w < *dst_w)
1040 *dst_vir_w = *dst_w;
1043 if ((*dst_w & align64) != 0)
1044 *dst_w = (*dst_w + align64) & (~align64);
1045 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
1046 *dst_h = *dst_h + 1;
1047 if (*dst_vir_w < *dst_w)
1048 *dst_vir_w = *dst_w;
1052 static void fb_copy_by_ipp(struct fb_info *dst_info,
1053 struct fb_info *src_info)
1055 struct rk29_ipp_req ipp_req;
1056 uint32_t rotation = 0;
1057 int dst_w, dst_h, dst_vir_w;
1059 u8 data_format = (dst_info->var.nonstd) & 0xff;
1060 struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
1061 struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
1062 u16 orientation = ext_dev_drv->rotate_mode;
1064 memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
1066 switch (orientation) {
1068 rotation = IPP_ROT_0;
1071 rotation = IPP_ROT_90;
1074 rotation = IPP_ROT_180;
1077 rotation = IPP_ROT_270;
1080 rotation = IPP_ROT_270;
1084 dst_w = dst_info->var.xres;
1085 dst_h = dst_info->var.yres;
1086 dst_vir_w = dst_info->var.xres_virtual;
1087 ipp_fmt = get_ipp_format(data_format);
1088 ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1089 ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1090 ipp_req.src0.w = src_info->var.xres;
1091 ipp_req.src0.h = src_info->var.yres;
1092 ipp_req.src_vir_w = src_info->var.xres_virtual;
1093 ipp_req.src0.fmt = ipp_fmt;
1095 ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1096 ipp_req.dst0.w = dst_w;
1097 ipp_req.dst0.h = dst_h;
1098 ipp_req.dst_vir_w = dst_vir_w;
1099 ipp_req.dst0.fmt = ipp_fmt;
1101 ipp_req.timeout = 100;
1102 ipp_req.flag = rotation;
1103 ipp_blit_sync(&ipp_req);
1108 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1109 static int get_rga_format(int fmt)
1115 rga_fmt = RK_FORMAT_RGBX_8888;
1118 rga_fmt = RK_FORMAT_RGBA_8888;
1121 rga_fmt = RK_FORMAT_BGRA_8888;
1124 rga_fmt = RK_FORMAT_RGB_888;
1127 rga_fmt = RK_FORMAT_RGB_565;
1130 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1133 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1136 rga_fmt = RK_FORMAT_RGBA_8888;
1143 static void rga_win_check(struct rk_lcdc_win *dst_win,
1144 struct rk_lcdc_win *src_win)
1148 format = get_rga_format(src_win->area[0].format);
1149 /* width and height must be even number */
1150 if (format >= RK_FORMAT_YCbCr_422_SP &&
1151 format <= RK_FORMAT_YCrCb_420_P) {
1152 if ((src_win->area[0].xact % 2) != 0)
1153 src_win->area[0].xact += 1;
1154 if ((src_win->area[0].yact % 2) != 0)
1155 src_win->area[0].yact += 1;
1157 if (src_win->area[0].xvir < src_win->area[0].xact)
1158 src_win->area[0].xvir = src_win->area[0].xact;
1159 if (src_win->area[0].yvir < src_win->area[0].yact)
1160 src_win->area[0].yvir = src_win->area[0].yact;
1162 format = get_rga_format(dst_win->area[0].format);
1163 if (format >= RK_FORMAT_YCbCr_422_SP &&
1164 format <= RK_FORMAT_YCrCb_420_P) {
1165 if ((dst_win->area[0].xact % 2) != 0)
1166 dst_win->area[0].xact += 1;
1167 if ((dst_win->area[0].yact % 2) != 0)
1168 dst_win->area[0].yact += 1;
1170 if (dst_win->area[0].xvir < dst_win->area[0].xact)
1171 dst_win->area[0].xvir = dst_win->area[0].xact;
1172 if (dst_win->area[0].yvir < dst_win->area[0].yact)
1173 dst_win->area[0].yvir = dst_win->area[0].yact;
1176 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1177 struct rk_lcdc_win *src_win,
1178 u16 orientation, int iommu_en)
1180 struct rga_req rga_request;
1184 memset(&rga_request, 0, sizeof(rga_request));
1185 rga_win_check(dst_win, src_win);
1187 switch (orientation) {
1189 rga_request.rotate_mode = 1;
1190 rga_request.sina = 65536;
1191 rga_request.cosa = 0;
1192 rga_request.dst.act_w = dst_win->area[0].yact;
1193 rga_request.dst.act_h = dst_win->area[0].xact;
1194 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1195 rga_request.dst.y_offset = 0;
1198 rga_request.rotate_mode = 1;
1199 rga_request.sina = 0;
1200 rga_request.cosa = -65536;
1201 rga_request.dst.act_w = dst_win->area[0].xact;
1202 rga_request.dst.act_h = dst_win->area[0].yact;
1203 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1204 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1207 rga_request.rotate_mode = 1;
1208 rga_request.sina = -65536;
1209 rga_request.cosa = 0;
1210 rga_request.dst.act_w = dst_win->area[0].yact;
1211 rga_request.dst.act_h = dst_win->area[0].xact;
1212 rga_request.dst.x_offset = 0;
1213 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1216 rga_request.rotate_mode = 0;
1217 rga_request.dst.act_w = dst_win->area[0].xact;
1218 rga_request.dst.act_h = dst_win->area[0].yact;
1219 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1220 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1226 * ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1227 * rga_request.src.yrgb_addr = fd;
1229 * ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1230 * rga_request.dst.yrgb_addr = fd;
1232 rga_request.src.yrgb_addr = 0;
1233 rga_request.src.uv_addr =
1234 src_win->area[0].smem_start + src_win->area[0].y_offset;
1235 rga_request.src.v_addr = 0;
1237 rga_request.dst.yrgb_addr = 0;
1238 rga_request.dst.uv_addr =
1239 dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1240 rga_request.dst.v_addr = 0;
1242 rga_request.src.vir_w = src_win->area[0].xvir;
1243 rga_request.src.vir_h = src_win->area[0].yvir;
1244 rga_request.src.format = get_rga_format(src_win->area[0].format);
1245 rga_request.src.act_w = src_win->area[0].xact;
1246 rga_request.src.act_h = src_win->area[0].yact;
1247 rga_request.src.x_offset = 0;
1248 rga_request.src.y_offset = 0;
1250 rga_request.dst.vir_w = dst_win->area[0].xvir;
1251 rga_request.dst.vir_h = dst_win->area[0].yvir;
1252 rga_request.dst.format = get_rga_format(dst_win->area[0].format);
1254 rga_request.clip.xmin = 0;
1255 rga_request.clip.xmax = dst_win->area[0].xact - 1;
1256 rga_request.clip.ymin = 0;
1257 rga_request.clip.ymax = dst_win->area[0].yact - 1;
1258 rga_request.scale_mode = 0;
1261 rga_request.mmu_info.mmu_en = 1;
1262 rga_request.mmu_info.mmu_flag = 1;
1264 rga_request.mmu_info.mmu_en = 0;
1265 rga_request.mmu_info.mmu_flag = 0;
1268 ret = rga_ioctl_kernel(&rga_request);
1272 * This function is used for copying fb by RGA Module
1273 * RGA only support copy RGB to RGB
1274 * RGA2 support copy RGB to RGB and YUV to YUV
1276 static void fb_copy_by_rga(struct fb_info *dst_info,
1277 struct fb_info *src_info)
1279 struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1280 struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1281 struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1282 struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1283 int win_id = 0, ext_win_id;
1284 struct rk_lcdc_win *src_win, *dst_win;
1286 win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1287 src_win = dev_drv->win[win_id];
1290 ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1291 dst_win = ext_dev_drv->win[ext_win_id];
1293 win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1294 ext_dev_drv->iommu_enabled);
1298 static int rk_fb_rotate(struct fb_info *dst_info,
1299 struct fb_info *src_info)
1301 #if defined(CONFIG_RK29_IPP)
1302 fb_copy_by_ipp(dst_info, src_info);
1303 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1304 fb_copy_by_rga(dst_info, src_info);
1311 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1312 struct rk_lcdc_win *src_win,
1313 u16 rotate, int iommu_en)
1315 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1316 win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1325 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1326 struct fb_info *info)
1328 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1329 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1330 struct fb_fix_screeninfo *fix = &info->fix;
1332 struct rk_lcdc_win *win = NULL;
1333 struct rk_screen *screen = dev_drv->cur_screen;
1334 u32 xoffset = var->xoffset;
1335 u32 yoffset = var->yoffset;
1336 u32 xvir = var->xres_virtual;
1339 u32 stride, uv_stride;
1342 u16 uv_x_off, uv_y_off, uv_y_act;
1345 if (dev_drv->suspend_flag)
1347 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1351 win = dev_drv->win[win_id];
1353 pixel_width = rk_fb_pixel_width(win->area[0].format);
1354 vir_width_bit = pixel_width * xvir;
1355 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1356 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1358 switch (win->area[0].format) {
1362 stride = stride_32bit_1;
1363 uv_stride = stride_32bit_1;
1366 fix->line_length = stride;
1367 uv_y_act = win->area[0].yact >> 1;
1369 case YUV420: /* nv12 */
1370 case YUV420_NV21: /* nv21 */
1373 stride = stride_32bit_1;
1374 uv_stride = stride_32bit_1;
1376 uv_y_off = yoffset >> 1;
1377 fix->line_length = stride;
1378 uv_y_act = win->area[0].yact >> 1;
1383 stride = stride_32bit_1;
1384 uv_stride = stride_32bit_2;
1385 uv_x_off = xoffset * 2;
1387 fix->line_length = stride << 2;
1388 uv_y_act = win->area[0].yact;
1391 stride = stride_32bit_1; /* default rgb */
1392 fix->line_length = stride;
1396 /* x y mirror ,jump line */
1397 if ((screen->y_mirror == 1) ||
1398 (win->xmirror && win->ymirror)) {
1399 if (screen->interlace == 1) {
1400 win->area[0].y_offset = yoffset * stride * 2 +
1401 ((win->area[0].yact - 1) * 2 + 1) * stride +
1402 xoffset * pixel_width / 8;
1404 win->area[0].y_offset = yoffset * stride +
1405 (win->area[0].yact - 1) * stride +
1406 xoffset * pixel_width / 8;
1409 if (screen->interlace == 1) {
1410 win->area[0].y_offset =
1411 yoffset * stride * 2 + xoffset * pixel_width / 8;
1413 win->area[0].y_offset =
1414 yoffset * stride + xoffset * pixel_width / 8;
1417 if (is_pic_yuv == 1) {
1418 if ((screen->y_mirror == 1) ||
1419 (win->xmirror && win->ymirror)) {
1420 if (screen->interlace == 1) {
1421 win->area[0].c_offset =
1422 uv_y_off * uv_stride * 2 +
1423 ((uv_y_act - 1) * 2 + 1) * uv_stride +
1424 uv_x_off * pixel_width / 8;
1426 win->area[0].c_offset = uv_y_off * uv_stride +
1427 (uv_y_act - 1) * uv_stride +
1428 uv_x_off * pixel_width / 8;
1431 if (screen->interlace == 1) {
1432 win->area[0].c_offset =
1433 uv_y_off * uv_stride * 2 +
1434 uv_x_off * pixel_width / 8;
1436 win->area[0].c_offset =
1437 uv_y_off * uv_stride +
1438 uv_x_off * pixel_width / 8;
1443 win->area[0].smem_start = fix->smem_start;
1444 win->area[0].cbr_start = fix->mmio_start;
1445 win->area[0].state = 1;
1448 dev_drv->ops->pan_display(dev_drv, win_id);
1450 #ifdef CONFIG_FB_MIRRORING
1451 if (video_data_to_mirroring)
1452 video_data_to_mirroring(info, NULL);
1454 /* if not want the config effect,set reserved[3] bit[0] 1 */
1455 if (likely((var->reserved[3] & 0x1) == 0))
1456 dev_drv->ops->cfg_done(dev_drv);
1457 if (dev_drv->hdmi_switch)
1462 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1466 i = list_empty(&dev_drv->update_regs_list);
1467 j = list_empty(&dev_drv->saved_list);
1468 return i == j ? 0 : 1;
1471 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1473 int err = sync_fence_wait(fence, 1000);
1479 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1482 pr_info("error waiting on fence\n");
1485 static int rk_fb_copy_from_loader(struct fb_info *info)
1487 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1488 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1489 void *dst = info->screen_base;
1494 struct rk_lcdc_win *win;
1496 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1497 win = dev_drv->win[win_id];
1498 size = (win->area[0].xact) * (win->area[0].yact) << 2;
1499 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1500 src = dsp_addr[win_id];
1501 dev_info(info->dev, "copy fb data %d x %d from dst_addr:%08x\n",
1502 win->area[0].xact, win->area[0].yact, src);
1503 for (i = 0; i < size; i += PAGE_SIZE) {
1504 void *page = phys_to_page(i + src);
1505 void *from_virt = kmap(page);
1506 void *to_virt = dst + i;
1508 memcpy(to_virt, from_virt, PAGE_SIZE);
1510 dev_drv->ops->direct_set_addr(dev_drv, win_id,
1511 info->fix.smem_start);
1515 static int g_last_addr[5][4];
1516 static int g_now_config_addr[5][4];
1517 static int g_last_state[5][4];
1518 static int g_now_config_state[5][4];
1523 #define DUMP_CHUNK 256
1524 char buf[PAGE_SIZE];
1526 int rk_fb_sysmmu_fault_handler(struct device *dev,
1527 enum rk_iommu_inttype itype,
1528 unsigned long pgtable_base,
1529 unsigned long fault_addr, unsigned int status)
1531 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1533 static int page_fault_cnt;
1535 if ((page_fault_cnt++) >= 10)
1538 ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1539 fault_addr, pgtable_base, status);
1540 pr_info("last config addr:\n");
1541 for (i = 0; i < 4; i++) {
1542 for (j = 0; j < 4; j++)
1543 pr_info("win[%d],area[%d] = 0x%08x\n",
1544 i, j, g_last_addr[i][j]);
1546 pr_info("last freed buffer:\n");
1547 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1548 pr_info("%d:0x%08x\n", i, freed_addr[i]);
1549 pr_info("last timeout:%d\n", g_last_timeout);
1550 dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1551 for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1552 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1553 char c = buf[i + DUMP_CHUNK];
1555 buf[i + DUMP_CHUNK] = 0;
1556 pr_cont("%s", buf + i);
1557 buf[i + DUMP_CHUNK] = c;
1559 buf[PAGE_SIZE - 1] = 0;
1560 pr_cont("%s", buf + i);
1567 void rk_fb_free_wb_buf(struct rk_lcdc_driver *dev_drv,
1568 struct rk_fb_reg_wb_data *wb_data)
1570 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1572 if (dev_drv->iommu_enabled && wb_data->ion_handle)
1573 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1574 wb_data->ion_handle);
1575 if (wb_data->ion_handle)
1576 ion_free(rk_fb->ion_client, wb_data->ion_handle);
1579 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1580 struct rk_fb_reg_win_data *reg_win_data)
1583 struct rk_fb_reg_area_data *area_data;
1584 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1586 for (i = 0; i < reg_win_data->area_num; i++) {
1587 area_data = ®_win_data->reg_area_data[i];
1588 index_buf = area_data->index_buf;
1589 if (dev_drv->iommu_enabled) {
1590 if (area_data->ion_handle != NULL &&
1591 !IS_YUV_FMT(area_data->data_format))
1592 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1593 area_data->ion_handle);
1594 freed_addr[freed_index++] = area_data->smem_start;
1596 if (area_data->ion_handle != NULL)
1597 ion_free(rk_fb->ion_client, area_data->ion_handle);
1599 if (area_data->acq_fence)
1600 sync_fence_put(area_data->acq_fence);
1604 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1605 struct rk_lcdc_win *win,
1606 struct rk_fb_reg_win_data *reg_win_data)
1609 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1610 struct rk_screen *cur_screen;
1611 struct rk_screen primary_screen;
1613 if (unlikely(!inf) || unlikely(!dev_drv) ||
1614 unlikely(!win) || unlikely(!reg_win_data))
1617 cur_screen = dev_drv->cur_screen;
1618 rk_fb_get_prmry_screen(&primary_screen);
1620 win->area_num = reg_win_data->area_num;
1621 win->id = reg_win_data->win_id;
1622 win->z_order = reg_win_data->z_order;
1624 if (reg_win_data->reg_area_data[0].smem_start > 0) {
1626 win->area_num = reg_win_data->area_num;
1627 win->id = reg_win_data->win_id;
1628 win->z_order = reg_win_data->z_order;
1629 win->area[0].uv_vir_stride =
1630 reg_win_data->reg_area_data[0].uv_vir_stride;
1631 win->area[0].cbr_start =
1632 reg_win_data->reg_area_data[0].cbr_start;
1633 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1634 win->alpha_en = reg_win_data->alpha_en;
1635 win->alpha_mode = reg_win_data->alpha_mode;
1636 win->g_alpha_val = reg_win_data->g_alpha_val;
1638 * reg_win_data mirror_en means that xmirror ymirror all
1641 win->xmirror = reg_win_data->mirror_en ? 1 : 0;
1642 win->ymirror = reg_win_data->mirror_en ? 1 : 0;
1643 win->colorspace = reg_win_data->colorspace;
1644 win->area[0].fbdc_en =
1645 reg_win_data->reg_area_data[0].fbdc_en;
1646 win->area[0].fbdc_cor_en =
1647 reg_win_data->reg_area_data[0].fbdc_cor_en;
1648 win->area[0].fbdc_data_format =
1649 reg_win_data->reg_area_data[0].fbdc_data_format;
1650 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1651 if (reg_win_data->reg_area_data[i].smem_start > 0) {
1652 win->area[i].format =
1653 reg_win_data->reg_area_data[i].data_format;
1654 win->area[i].ion_hdl =
1655 reg_win_data->reg_area_data[i].ion_handle;
1656 win->area[i].smem_start =
1657 reg_win_data->reg_area_data[i].smem_start;
1658 if (inf->disp_mode == DUAL ||
1659 inf->disp_mode == NO_DUAL) {
1661 reg_win_data->reg_area_data[i].xpos;
1663 reg_win_data->reg_area_data[i].ypos;
1664 win->area[i].xsize =
1665 reg_win_data->reg_area_data[i].xsize;
1666 win->area[i].ysize =
1667 reg_win_data->reg_area_data[i].ysize;
1670 reg_win_data->reg_area_data[i].xpos *
1671 cur_screen->mode.xres /
1672 primary_screen.mode.xres;
1674 reg_win_data->reg_area_data[i].ypos *
1675 cur_screen->mode.yres /
1676 primary_screen.mode.yres;
1677 win->area[i].xsize =
1678 reg_win_data->reg_area_data[i].xsize *
1679 cur_screen->mode.xres /
1680 primary_screen.mode.xres;
1681 win->area[i].ysize =
1682 reg_win_data->reg_area_data[i].ysize *
1683 cur_screen->mode.yres /
1684 primary_screen.mode.yres;
1686 /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1687 if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
1688 if (cur_screen->xsize > 0 &&
1689 cur_screen->xsize <= cur_screen->mode.xres) {
1691 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1692 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1693 win->area[i].xsize =
1694 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1696 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1698 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1699 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1700 win->area[i].ysize =
1701 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1706 reg_win_data->reg_area_data[i].xact;
1708 reg_win_data->reg_area_data[i].yact;
1710 reg_win_data->reg_area_data[i].xvir;
1712 reg_win_data->reg_area_data[i].yvir;
1714 reg_win_data->reg_area_data[i].xoff;
1716 reg_win_data->reg_area_data[i].yoff;
1717 win->area[i].y_offset =
1718 reg_win_data->reg_area_data[i].y_offset;
1719 win->area[i].y_vir_stride =
1720 reg_win_data->reg_area_data[i].y_vir_stride;
1721 win->area[i].state = 1;
1722 if (dev_drv->iommu_enabled) {
1723 g_now_config_addr[win->id][i] =
1724 win->area[i].smem_start +
1725 win->area[i].y_offset;
1726 g_now_config_state[win->id][i] = 1;
1729 win->area[i].state = 0;
1730 win->area[i].fbdc_en = 0;
1731 if (dev_drv->iommu_enabled) {
1732 g_now_config_addr[win->id][i] = 0;
1733 g_now_config_state[win->id][i] = 0;
1740 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1744 struct rk_fb_reg_win_data *win_data = NULL;
1746 for (i = 0; i < regs->win_num; i++) {
1747 if (regs->reg_win_data[i].win_id == win_id) {
1748 win_data = &(regs->reg_win_data[i]);
1756 static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
1757 struct rk_fb_reg_data *regs,
1760 int i, j, wait_for_vsync = false;
1761 unsigned int dsp_addr[5][4];
1764 if (dev_drv->ops->get_dsp_addr)
1765 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1767 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1768 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1769 if ((j > 0) && (dev_drv->area_support[i] == 1))
1771 if (dev_drv->win[i]->area[j].state == 1) {
1773 dev_drv->win[i]->area[j].smem_start +
1774 dev_drv->win[i]->area[j].y_offset;
1775 u32 reg_start = dsp_addr[i][j];
1777 if (unlikely(new_start != reg_start)) {
1778 wait_for_vsync = true;
1779 dev_info(dev_drv->dev,
1780 "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1781 i, new_start, reg_start,
1785 } else if (dev_drv->win[i]->area[j].state == 0) {
1786 if (dev_drv->ops->get_win_state) {
1788 dev_drv->ops->get_win_state(dev_drv, i, j);
1790 wait_for_vsync = true;
1793 pr_err("!!!win[%d]state:%d,error!!!\n",
1794 i, dev_drv->win[i]->state);
1799 return wait_for_vsync;
1802 static int rk_fb_iommu_page_fault_dump(struct rk_lcdc_driver *dev_drv)
1804 int i, j, state, page_fault = 0;
1805 unsigned int dsp_addr[5][4];
1807 if (dev_drv->ops->extern_func) {
1808 dev_drv->ops->extern_func(dev_drv, UNMASK_PAGE_FAULT);
1809 page_fault = dev_drv->ops->extern_func(dev_drv, GET_PAGE_FAULT);
1812 pr_info("last config:\n");
1813 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1814 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1815 if ((j > 0) && (dev_drv->area_support[i] == 1))
1817 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1818 i, j, g_last_state[i][j], g_last_addr[i][j]);
1822 pr_info("last freed buffer:\n");
1823 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1824 pr_info("%d:0x%08x\n", i, freed_addr[i]);
1826 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1827 pr_info("vop now state:\n");
1828 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1829 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1830 if ((j > 0) && (dev_drv->area_support[i] == 1))
1832 state = dev_drv->ops->get_win_state(dev_drv, i, j);
1833 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1834 i, j, state, dsp_addr[i][j]);
1837 pr_info("now config:\n");
1838 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1839 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1840 if ((j > 0) && (dev_drv->area_support[i] == 1))
1842 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1843 i, j, g_now_config_state[i][j],
1844 g_now_config_addr[i][j]);
1847 for (i = 0; i < DUMP_FRAME_NUM; i++)
1848 rk_fb_config_debug(dev_drv, &dev_drv->tmp_win_cfg[i],
1849 &dev_drv->tmp_regs[i], 0);
1852 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1853 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1854 if ((j > 0) && (dev_drv->area_support[i] == 1))
1856 g_last_addr[i][j] = g_now_config_addr[i][j];
1857 g_last_state[i][j] = g_now_config_state[i][j];
1863 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1864 struct rk_fb_reg_data *regs)
1867 struct rk_lcdc_win *win;
1868 ktime_t timestamp = dev_drv->vsync_info.timestamp;
1869 struct rk_fb_reg_win_data *win_data;
1870 bool wait_for_vsync;
1875 if (dev_drv->suspend_flag == 1) {
1877 sw_sync_timeline_inc(dev_drv->timeline, 1);
1879 for (i = 0; i < regs->win_num; i++) {
1880 win_data = ®s->reg_win_data[i];
1881 rk_fb_free_dma_buf(dev_drv, win_data);
1883 if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
1884 rk_fb_free_wb_buf(dev_drv, ®s->reg_wb_data);
1888 /* acq_fence wait */
1889 for (i = 0; i < regs->win_num; i++) {
1890 win_data = ®s->reg_win_data[i];
1891 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1892 if (win_data->reg_area_data[j].acq_fence)
1893 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1897 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1898 win = dev_drv->win[i];
1899 win_data = rk_fb_get_win_data(regs, i);
1901 mutex_lock(&dev_drv->win_config);
1902 rk_fb_update_win(dev_drv, win, win_data);
1904 dev_drv->ops->set_par(dev_drv, i);
1905 dev_drv->ops->pan_display(dev_drv, i);
1906 mutex_unlock(&dev_drv->win_config);
1910 for (j = 0; j < 4; j++) {
1911 win->area[j].state = 0;
1912 win->area[j].fbdc_en = 0;
1914 if (dev_drv->iommu_enabled) {
1915 for (j = 0; j < 4; j++) {
1916 g_now_config_addr[i][j] = 0;
1917 g_now_config_state[i][j] = 0;
1922 dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1924 if (dev_drv->property.feature & SUPPORT_WRITE_BACK) {
1925 memcpy(&dev_drv->wb_data, ®s->reg_wb_data,
1926 sizeof(struct rk_fb_reg_wb_data));
1927 if (dev_drv->ops->set_wb)
1928 dev_drv->ops->set_wb(dev_drv);
1931 if (rk_fb_iommu_debug > 0)
1932 pagefault = rk_fb_iommu_page_fault_dump(dev_drv);
1935 dev_drv->ops->cfg_done(dev_drv);
1937 sw_sync_timeline_inc(dev_drv->timeline, 1);
1940 timestamp = dev_drv->vsync_info.timestamp;
1941 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1942 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1943 msecs_to_jiffies(50));
1945 wait_for_vsync = rk_fb_reg_effect(dev_drv, regs, count);
1946 } while (wait_for_vsync && count--);
1948 sw_sync_timeline_inc(dev_drv->timeline, 1);
1951 if (dev_drv->front_regs) {
1952 if (dev_drv->iommu_enabled) {
1953 if (dev_drv->ops->mmu_en)
1954 dev_drv->ops->mmu_en(dev_drv);
1956 g_last_timeout = timeout;
1959 mutex_lock(&dev_drv->front_lock);
1961 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1962 win_data = &dev_drv->front_regs->reg_win_data[i];
1963 rk_fb_free_dma_buf(dev_drv, win_data);
1965 if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
1966 rk_fb_free_wb_buf(dev_drv,
1967 &dev_drv->front_regs->reg_wb_data);
1968 kfree(dev_drv->front_regs);
1970 mutex_unlock(&dev_drv->front_lock);
1972 if (dev_drv->iommu_enabled)
1973 freed_addr[freed_index] = 0xfefefefe;
1976 mutex_lock(&dev_drv->front_lock);
1978 dev_drv->front_regs = regs;
1980 mutex_unlock(&dev_drv->front_lock);
1982 trace_buffer_dump(&fb_pdev->dev, dev_drv);
1985 static void rk_fb_update_regs_handler(struct kthread_work *work)
1987 struct rk_lcdc_driver *dev_drv =
1988 container_of(work, struct rk_lcdc_driver, update_regs_work);
1989 struct rk_fb_reg_data *data, *next;
1991 mutex_lock(&dev_drv->update_regs_list_lock);
1992 dev_drv->saved_list = dev_drv->update_regs_list;
1993 list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1994 mutex_unlock(&dev_drv->update_regs_list_lock);
1996 list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1997 list_del(&data->list);
1998 rk_fb_update_reg(dev_drv, data);
2001 if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
2002 wake_up(&dev_drv->update_regs_wait);
2005 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
2006 struct rk_screen *screen)
2008 if (area_par->phy_addr > 0)
2009 pr_err("%s[%d], phy_addr = 0x%x\n",
2010 __func__, __LINE__, area_par->phy_addr);
2011 if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
2012 (area_par->xact <= 0) || (area_par->yact <= 0) ||
2013 (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
2014 pr_err("check config var fail 0:\n"
2015 "x_offset=%d,xact=%d,xvir=%d\n",
2016 area_par->x_offset, area_par->xact, area_par->xvir);
2020 if ((area_par->xpos >= screen->mode.xres) ||
2021 (area_par->ypos >= screen->mode.yres) ||
2022 ((area_par->xsize <= 0) || (area_par->ysize <= 0))) {
2023 pr_warn("check config var fail 1:\n"
2024 "xpos=%d,xsize=%d,xres=%d\n"
2025 "ypos=%d,ysize=%d,yres=%d\n",
2026 area_par->xpos, area_par->xsize, screen->mode.xres,
2027 area_par->ypos, area_par->ysize, screen->mode.yres);
2033 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
2034 struct rk_fb_win_cfg_data *win_data,
2035 struct rk_fb_reg_data *regs, u32 cmd)
2038 struct rk_fb_win_par *win_par;
2039 struct rk_fb_area_par *area_par;
2040 struct rk_fb_reg_win_data *reg_win_data;
2041 struct rk_fb_reg_area_data *area_data;
2043 rk_fb_dbg(cmd, "-------------frame start-------------\n");
2044 rk_fb_dbg(cmd, "user config:\n");
2045 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2046 win_par = &(win_data->win_par[i]);
2047 if ((win_par->area_par[0].ion_fd <= 0) &&
2048 (win_par->area_par[0].phy_addr <= 0))
2050 rk_fb_dbg(cmd, "win[%d]:z_order=%d,galhpa_v=%d\n",
2051 win_par->win_id, win_par->z_order,
2052 win_par->g_alpha_val);
2053 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2054 area_par = &(win_par->area_par[j]);
2055 if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2056 ((win_par->area_par[j].ion_fd <= 0) &&
2057 (win_par->area_par[j].phy_addr <= 0)))
2059 rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion_fd=%d,phy_add=0x%x,xoff=%d,yoff=%d\n",
2060 j, area_par->data_format, area_par->ion_fd,
2061 area_par->phy_addr, area_par->x_offset,
2062 area_par->y_offset);
2063 rk_fb_dbg(cmd, " xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2064 area_par->xpos, area_par->ypos,
2065 area_par->xsize, area_par->ysize);
2066 rk_fb_dbg(cmd, " xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2067 area_par->xact, area_par->yact,
2068 area_par->xvir, area_par->yvir);
2072 rk_fb_dbg(cmd, "regs data:\n");
2073 rk_fb_dbg(cmd, "win_num=%d,buf_num=%d\n",
2074 regs->win_num, regs->buf_num);
2075 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2076 reg_win_data = &(regs->reg_win_data[i]);
2077 if (reg_win_data->reg_area_data[0].smem_start <= 0)
2079 rk_fb_dbg(cmd, "win[%d]:z_order=%d,area_num=%d,area_buf_num=%d\n",
2080 reg_win_data->win_id, reg_win_data->z_order,
2081 reg_win_data->area_num, reg_win_data->area_buf_num);
2082 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2083 area_data = &(reg_win_data->reg_area_data[j]);
2084 if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2085 (area_data->smem_start <= 0))
2087 rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion=%p,smem_star=0x%lx,cbr_star=0x%lx\n",
2088 j, area_data->data_format, area_data->ion_handle,
2089 area_data->smem_start, area_data->cbr_start);
2090 rk_fb_dbg(cmd, " yoff=0x%x,coff=0x%x,area_data->buff_len=%x\n",
2091 area_data->y_offset, area_data->c_offset, area_data->buff_len);
2092 rk_fb_dbg(cmd, " xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2093 area_data->xpos, area_data->ypos,
2094 area_data->xsize, area_data->ysize);
2095 rk_fb_dbg(cmd, " xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2096 area_data->xact, area_data->yact,
2097 area_data->xvir, area_data->yvir);
2100 rk_fb_dbg(cmd, "-------------frame end---------------\n");
2104 static int rk_fb_config_backup(struct rk_lcdc_driver *dev_drv,
2105 struct rk_fb_win_cfg_data *win_cfg,
2106 struct rk_fb_reg_data *regs)
2110 /*2->1->0: 0 is newest*/
2111 for (i = 0; i < DUMP_FRAME_NUM - 1; i++) {
2112 memcpy(&dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 1 - i],
2113 &dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 2 - i],
2114 sizeof(struct rk_fb_win_cfg_data));
2115 memcpy(&dev_drv->tmp_regs[DUMP_FRAME_NUM - 1 - i],
2116 &dev_drv->tmp_regs[DUMP_FRAME_NUM - 2 - i],
2117 sizeof(struct rk_fb_reg_data));
2120 memcpy(&dev_drv->tmp_win_cfg[0], win_cfg,
2121 sizeof(struct rk_fb_win_cfg_data));
2122 memcpy(&dev_drv->tmp_regs[0], regs,
2123 sizeof(struct rk_fb_reg_data));
2128 static int rk_fb_set_wb_buffer(struct fb_info *info,
2129 struct rk_fb_wb_cfg *wb_cfg,
2130 struct rk_fb_reg_wb_data *wb_data)
2133 ion_phys_addr_t phy_addr;
2136 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2137 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2138 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2140 if ((wb_cfg->phy_addr == 0) && (wb_cfg->ion_fd == 0)) {
2144 if (wb_cfg->phy_addr == 0) {
2145 wb_data->ion_handle =
2146 ion_import_dma_buf(rk_fb->ion_client,
2148 if (IS_ERR(wb_data->ion_handle)) {
2149 pr_info("Could not import handle: %ld\n",
2150 (long)wb_data->ion_handle);
2153 if (dev_drv->iommu_enabled)
2154 ret = ion_map_iommu(dev_drv->dev,
2156 wb_data->ion_handle,
2157 (unsigned long *)&phy_addr,
2158 (unsigned long *)&len);
2160 ret = ion_phys(rk_fb->ion_client, wb_data->ion_handle,
2163 pr_err("ion map to get phy addr failed\n");
2164 ion_free(rk_fb->ion_client, wb_data->ion_handle);
2167 wb_data->smem_start = phy_addr;
2169 wb_data->smem_start = wb_cfg->phy_addr;
2172 fb_data_fmt = rk_fb_data_fmt(wb_cfg->data_format, 0);
2173 if (IS_YUV_FMT(fb_data_fmt))
2174 wb_data->cbr_start = wb_data->smem_start +
2175 wb_cfg->xsize * wb_cfg->ysize;
2176 wb_data->xsize = wb_cfg->xsize;
2177 wb_data->ysize = wb_cfg->ysize;
2178 wb_data->data_format = fb_data_fmt;
2184 static int rk_fb_set_win_buffer(struct fb_info *info,
2185 struct rk_fb_win_par *win_par,
2186 struct rk_fb_reg_win_data *reg_win_data)
2188 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2189 struct fb_fix_screeninfo *fix = &info->fix;
2190 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2191 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2192 /*if hdmi size move to hwc,screen should point to cur_screen
2193 *otherwise point to screen0[main screen]*/
2194 struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
2195 struct fb_info *fbi;
2196 int i, ion_fd, acq_fence_fd;
2197 u32 xvir = 0, yvir = 0;
2198 u32 xoffset = 0, yoffset = 0;
2200 struct ion_handle *hdl;
2205 u32 vir_width_bit = 0;
2206 u32 stride = 0, uv_stride = 0;
2207 u32 stride_32bit_1 = 0;
2208 u32 stride_32bit_2 = 0;
2209 u16 uv_x_off = 0, uv_y_off = 0, uv_y_act = 0;
2211 u8 ppixel_a = 0, global_a = 0;
2212 ion_phys_addr_t phy_addr;
2216 reg_win_data->reg_area_data[0].smem_start = -1;
2217 reg_win_data->area_num = 0;
2218 fbi = rk_fb->fb[win_par->win_id + dev_drv->fb_index_base];
2219 if (win_par->area_par[0].phy_addr == 0) {
2220 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2221 ion_fd = win_par->area_par[i].ion_fd;
2224 ion_import_dma_buf(rk_fb->ion_client,
2227 pr_info("%s: Could not import handle:"
2228 " %ld\n", __func__, (long)hdl);
2232 reg_win_data->reg_area_data[i].ion_handle = hdl;
2233 if (dev_drv->iommu_enabled)
2234 ret = ion_map_iommu(dev_drv->dev,
2237 (unsigned long *)&phy_addr,
2238 (unsigned long *)&len);
2240 ret = ion_phys(rk_fb->ion_client, hdl,
2243 dev_err(fbi->dev, "ion map to get phy addr failed\n");
2244 ion_free(rk_fb->ion_client, hdl);
2247 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2248 reg_win_data->area_num++;
2249 reg_win_data->area_buf_num++;
2250 reg_win_data->reg_area_data[i].index_buf = 1;
2251 reg_win_data->reg_area_data[i].buff_len = len;
2255 reg_win_data->reg_area_data[0].smem_start =
2256 win_par->area_par[0].phy_addr;
2257 reg_win_data->area_num = 1;
2258 reg_win_data->area_buf_num++;
2259 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2262 if (reg_win_data->area_num == 0) {
2263 for (i = 0; i < RK_WIN_MAX_AREA; i++)
2264 reg_win_data->reg_area_data[i].smem_start = 0;
2265 reg_win_data->z_order = -1;
2266 reg_win_data->win_id = -1;
2270 for (i = 0; i < reg_win_data->area_num; i++) {
2271 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2272 index_buf = reg_win_data->reg_area_data[i].index_buf;
2273 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2274 reg_win_data->reg_area_data[i].acq_fence =
2275 sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2278 if (reg_win_data->reg_area_data[0].smem_start > 0) {
2279 reg_win_data->z_order = win_par->z_order;
2280 reg_win_data->win_id = win_par->win_id;
2282 reg_win_data->z_order = -1;
2283 reg_win_data->win_id = -1;
2286 reg_win_data->mirror_en = win_par->mirror_en;
2287 for (i = 0; i < reg_win_data->area_num; i++) {
2288 u8 data_format = win_par->area_par[i].data_format;
2289 /*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
2290 reg_win_data->colorspace = CSC_FORMAT(data_format);
2291 data_format &= ~CSC_MASK;
2292 fb_data_fmt = rk_fb_data_fmt(data_format, 0);
2293 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
2294 if (IS_FBDC_FMT(fb_data_fmt)) {
2295 reg_win_data->reg_area_data[i].fbdc_en = 1;
2296 reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
2298 reg_win_data->reg_area_data[i].fbdc_en = 0;
2299 reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
2301 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2303 ppixel_a |= ((fb_data_fmt == ARGB888) ||
2304 (fb_data_fmt == FBDC_ARGB_888) ||
2305 (fb_data_fmt == FBDC_ABGR_888) ||
2306 (fb_data_fmt == ABGR888)) ? 1 : 0;
2307 /*act_height should be 2 pix align for interlace output*/
2308 if (win_par->area_par[i].yact % 2 == 1) {
2309 win_par->area_par[i].yact -= 1;
2310 win_par->area_par[i].ysize -= 1;
2313 /* buf offset should be 2 pix align*/
2314 if ((win_par->area_par[i].x_offset % 2 == 1) &&
2315 IS_YUV_FMT(fb_data_fmt)) {
2316 win_par->area_par[i].x_offset += 1;
2317 win_par->area_par[i].xact -= 1;
2320 /* visiable pos in panel */
2321 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2322 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2324 /* realy size in panel */
2325 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2326 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2328 /* realy size in panel */
2329 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2330 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2332 xoffset = win_par->area_par[i].x_offset; /* buf offset */
2333 yoffset = win_par->area_par[i].y_offset;
2334 reg_win_data->reg_area_data[i].xoff = xoffset;
2335 reg_win_data->reg_area_data[i].yoff = yoffset;
2337 xvir = win_par->area_par[i].xvir;
2338 reg_win_data->reg_area_data[i].xvir = xvir;
2339 yvir = win_par->area_par[i].yvir;
2340 reg_win_data->reg_area_data[i].yvir = yvir;
2342 vir_width_bit = pixel_width * xvir;
2343 /* pixel_width = byte_num*8 */
2344 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2345 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2347 stride = stride_32bit_1; /* default rgb */
2348 fix->line_length = stride;
2349 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2351 /* x y mirror ,jump line
2352 * reg_win_data->reg_area_data[i].y_offset =
2353 * yoffset*stride+xoffset*pixel_width/8;
2355 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2356 if (screen->interlace == 1) {
2357 reg_win_data->reg_area_data[i].y_offset =
2358 yoffset * stride * 2 +
2359 ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2360 xoffset * pixel_width / 8;
2362 reg_win_data->reg_area_data[i].y_offset =
2364 (reg_win_data->reg_area_data[i].yact - 1) * stride +
2365 xoffset * pixel_width / 8;
2368 if (screen->interlace == 1) {
2369 reg_win_data->reg_area_data[i].y_offset =
2370 yoffset * stride * 2 +
2371 xoffset * pixel_width / 8;
2373 reg_win_data->reg_area_data[i].y_offset =
2375 xoffset * pixel_width / 8;
2378 if (IS_RGB_FMT(fb_data_fmt) && dev_drv->iommu_enabled) {
2379 buff_len = reg_win_data->reg_area_data[i].y_offset +
2380 reg_win_data->reg_area_data[i].xvir *
2381 reg_win_data->reg_area_data[i].yact *
2383 reg_win_data->reg_area_data[i].xoff*
2385 if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2386 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2388 "=buff_len[0x%x]>>mmu len=0x%x\n",
2390 reg_win_data->reg_area_data[i].xvir,
2391 reg_win_data->reg_area_data[i].yact,
2392 pixel_width, buff_len,
2393 reg_win_data->reg_area_data[i].buff_len);
2397 global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2398 reg_win_data->alpha_en = ppixel_a | global_a;
2399 reg_win_data->g_alpha_val = win_par->g_alpha_val;
2400 reg_win_data->alpha_mode = win_par->alpha_mode;
2402 switch (fb_data_fmt) {
2406 stride = stride_32bit_1;
2407 uv_stride = stride_32bit_1;
2410 fix->line_length = stride;
2411 uv_y_act = win_par->area_par[0].yact >> 1;
2413 case YUV420: /* nv12 */
2414 case YUV420_NV21: /* nv21 */
2417 stride = stride_32bit_1;
2418 uv_stride = stride_32bit_1;
2420 uv_y_off = yoffset >> 1;
2421 fix->line_length = stride;
2422 uv_y_act = win_par->area_par[0].yact >> 1;
2427 stride = stride_32bit_1;
2428 uv_stride = stride_32bit_2;
2429 uv_x_off = xoffset * 2;
2431 fix->line_length = stride << 2;
2432 uv_y_act = win_par->area_par[0].yact;
2437 if (is_pic_yuv == 1) {
2438 reg_win_data->reg_area_data[0].cbr_start =
2439 reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2440 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2441 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2442 if (screen->interlace == 1) {
2443 reg_win_data->reg_area_data[0].c_offset =
2444 uv_y_off * uv_stride * 2 +
2445 ((uv_y_act - 1) * 2 + 1) * uv_stride +
2446 uv_x_off * pixel_width / 8;
2448 reg_win_data->reg_area_data[0].c_offset =
2449 uv_y_off * uv_stride +
2450 (uv_y_act - 1) * uv_stride +
2451 uv_x_off * pixel_width / 8;
2454 if (screen->interlace == 1) {
2455 reg_win_data->reg_area_data[0].c_offset =
2456 uv_y_off * uv_stride * 2 +
2457 uv_x_off * pixel_width / 8;
2459 reg_win_data->reg_area_data[0].c_offset =
2460 uv_y_off * uv_stride +
2461 uv_x_off * pixel_width / 8;
2464 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2465 reg_win_data->reg_area_data[0].c_offset +
2466 reg_win_data->reg_area_data[0].xvir *
2467 reg_win_data->reg_area_data[0].yact *
2469 reg_win_data->reg_area_data[0].smem_start -
2470 reg_win_data->reg_area_data[0].xoff*
2472 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2473 dev_drv->iommu_enabled)
2474 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2476 "=buff_len[0x%x]>>mmu len=0x%x\n",
2478 reg_win_data->reg_area_data[0].xvir,
2479 reg_win_data->reg_area_data[0].yact,
2480 pixel_width, buff_len,
2481 reg_win_data->reg_area_data[0].buff_len);
2484 /* record buffer information for rk_fb_disp_scale to prevent fence
2485 * timeout because rk_fb_disp_scale will call function
2486 * info->fbops->fb_set_par(info);
2487 * delete by hjc for new hdmi overscan framework.
2489 /* info->var.yoffset = yoffset;
2490 * info->var.xoffset = xoffset;
2495 static int rk_fb_set_win_config(struct fb_info *info,
2496 struct rk_fb_win_cfg_data *win_data)
2498 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2499 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2500 struct rk_fb_reg_data *regs;
2502 struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2503 struct sync_fence *retire_fence;
2504 struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2505 struct sync_pt *retire_sync_pt;
2506 char fence_name[20];
2508 int ret = 0, i, j = 0;
2509 int list_is_empty = 0;
2510 struct rk_screen *screen = dev_drv->cur_screen;
2512 mutex_lock(&dev_drv->output_lock);
2514 for (i = 0; i < 4; i++) {
2515 for (j = 0; j < 4; j++) {
2516 if ((win_data->win_par[i].area_par[j].ion_fd > 0) ||
2517 (win_data->win_par[i].area_par[j].phy_addr > 0))
2518 ret += rk_fb_check_config_var(
2519 &win_data->win_par[i].area_par[j],
2523 if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
2524 dev_drv->timeline_max++;
2525 sw_sync_timeline_inc(dev_drv->timeline, 1);
2526 if (dev_drv->suspend_flag)
2527 pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
2528 else if (dev_drv->hdmi_switch)
2529 pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
2531 pr_err("error config ,ignore\n");
2532 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2533 win_data->rel_fence_fd[j] = -1;
2534 win_data->ret_fence_fd = -1;
2538 regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2540 pr_info("could not allocate rk_fb_reg_data\n");
2545 for (i = 0, j = 0; i < dev_drv->lcdc_win_num; i++) {
2546 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2547 if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2548 ®s->reg_win_data[j])) {
2550 pr_info("error:%s[%d]\n", __func__, __LINE__);
2553 if (regs->reg_win_data[j].area_num > 0) {
2556 regs->reg_win_data[j].area_buf_num;
2560 pr_info("error:win_id bigger than lcdc_win_num\n");
2561 pr_info("i=%d,win_id=%d\n", i,
2562 win_data->win_par[i].win_id);
2565 if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
2566 rk_fb_set_wb_buffer(info, &win_data->wb_cfg,
2567 ®s->reg_wb_data);
2568 if (regs->win_num <= 0)
2569 goto err_null_frame;
2571 dev_drv->timeline_max++;
2573 win_data->ret_fence_fd = get_unused_fd_flags(0);
2574 if (win_data->ret_fence_fd < 0) {
2575 pr_err("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2576 win_data->ret_fence_fd = -1;
2580 for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2581 if (i < regs->buf_num) {
2582 sprintf(fence_name, "fence%d", i);
2583 win_data->rel_fence_fd[i] = get_unused_fd_flags(0);
2584 if (win_data->rel_fence_fd[i] < 0) {
2585 pr_info("rel_fence_fd=%d\n",
2586 win_data->rel_fence_fd[i]);
2590 release_sync_pt[i] =
2591 sw_sync_pt_create(dev_drv->timeline,
2592 dev_drv->timeline_max);
2594 sync_fence_create(fence_name, release_sync_pt[i]);
2595 sync_fence_install(release_fence[i],
2596 win_data->rel_fence_fd[i]);
2598 win_data->rel_fence_fd[i] = -1;
2603 sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2604 retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2605 sync_fence_install(retire_fence, win_data->ret_fence_fd);
2607 for (i = 0; i < RK_MAX_BUF_NUM; i++)
2608 win_data->rel_fence_fd[i] = -1;
2610 win_data->ret_fence_fd = -1;
2612 if (dev_drv->wait_fs == 0) {
2613 mutex_lock(&dev_drv->update_regs_list_lock);
2614 list_add_tail(®s->list, &dev_drv->update_regs_list);
2615 mutex_unlock(&dev_drv->update_regs_list_lock);
2616 queue_kthread_work(&dev_drv->update_regs_worker,
2617 &dev_drv->update_regs_work);
2619 mutex_lock(&dev_drv->update_regs_list_lock);
2620 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2621 list_empty(&dev_drv->saved_list);
2622 mutex_unlock(&dev_drv->update_regs_list_lock);
2623 if (!list_is_empty) {
2624 ret = wait_event_timeout(dev_drv->update_regs_wait,
2625 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2626 msecs_to_jiffies(60));
2628 rk_fb_update_reg(dev_drv, regs);
2630 pr_info("%s: wait update_regs_wait timeout\n", __func__);
2631 } else if (ret == 0) {
2632 rk_fb_update_reg(dev_drv, regs);
2635 if (rk_fb_debug_lvl > 0)
2636 rk_fb_config_debug(dev_drv, win_data, regs, rk_fb_debug_lvl);
2637 if (rk_fb_iommu_debug > 0)
2638 rk_fb_config_backup(dev_drv, win_data, regs);
2640 mutex_unlock(&dev_drv->output_lock);
2643 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2644 win_data->rel_fence_fd[j] = -1;
2645 win_data->ret_fence_fd = -1;
2646 pr_info("win num = %d,null frame\n", regs->win_num);
2649 mutex_unlock(&dev_drv->output_lock);
2655 static int cfgdone_distlist[10] = { 0 };
2657 static int cfgdone_index;
2658 static int cfgdone_lasttime;
2660 int rk_get_real_fps(int before)
2662 struct timespec now;
2668 int index = cfgdone_index;
2677 getnstimeofday(&now);
2678 dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2681 for (i = 0; i < 10; i++) {
2684 total += cfgdone_distlist[index];
2686 dist_first = cfgdone_distlist[index];
2687 if (total < (before * 1000)) {
2688 dist_total += cfgdone_distlist[index];
2695 dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2696 dist_total += dist_curr;
2700 fps = (1000000 * dist_count) / dist_total;
2706 EXPORT_SYMBOL(rk_get_real_fps);
2710 static struct ion_handle *ion_hanle[ION_MAX];
2711 static struct ion_handle *ion_hwc[1];
2712 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2715 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2716 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2717 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2718 struct fb_fix_screeninfo *fix = &info->fix;
2719 struct rk_lcdc_win *win;
2720 int enable; /* enable fb:1 enable;0 disable */
2721 int ovl; /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2722 int num_buf; /* buffer_number */
2724 struct rk_fb_win_cfg_data win_data;
2725 unsigned int dsp_addr[4][4];
2728 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2729 void __user *argp = (void __user *)arg;
2731 win = dev_drv->win[win_id];
2733 case RK_FBIOSET_HWC_ADDR:
2737 if (copy_from_user(hwc_phy, argp, 4))
2739 if (!dev_drv->iommu_enabled) {
2740 fix->smem_start = hwc_phy[0];
2743 struct ion_handle *hdl;
2744 ion_phys_addr_t phy_addr;
2747 usr_fd = hwc_phy[0];
2749 fix->smem_start = 0;
2750 fix->mmio_start = 0;
2751 dev_drv->ops->open(dev_drv, win_id, 0);
2755 if (ion_hwc[0] != 0) {
2756 ion_free(rk_fb->ion_client, ion_hwc[0]);
2760 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2762 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2767 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2768 (unsigned long *)&phy_addr,
2769 (unsigned long *)&len);
2771 dev_err(info->dev, "ion map to get hwc phy addr failed");
2772 ion_free(rk_fb->ion_client, hdl);
2775 fix->smem_start = phy_addr;
2780 case RK_FBIOSET_YUV_ADDR:
2784 if (copy_from_user(yuv_phy, argp, 8))
2786 if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2787 fix->smem_start = yuv_phy[0];
2788 fix->mmio_start = yuv_phy[1];
2790 int usr_fd, offset, tmp;
2791 struct ion_handle *hdl;
2792 ion_phys_addr_t phy_addr;
2795 usr_fd = yuv_phy[0];
2796 offset = yuv_phy[1] - yuv_phy[0];
2798 fix->smem_start = 0;
2799 fix->mmio_start = 0;
2803 if (ion_hanle[ION_MAX - 1] != 0) {
2804 /*ion_unmap_kernel(rk_fb->ion_client,
2805 * ion_hanle[ION_MAX - 1]);
2806 *ion_unmap_iommu(dev_drv->dev,
2807 * rk_fb->ion_client,
2808 * ion_hanle[ION_MAX - 1]);
2810 ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2811 ion_hanle[ION_MAX - 1] = 0;
2814 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2816 dev_err(info->dev, "failed to get ion handle:%ld\n",
2821 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2822 (unsigned long *)&phy_addr,
2823 (unsigned long *)&len);
2825 dev_err(info->dev, "ion map to get phy addr failed");
2826 ion_free(rk_fb->ion_client, hdl);
2829 fix->smem_start = phy_addr;
2830 fix->mmio_start = phy_addr + offset;
2831 fix->smem_len = len;
2832 /*info->screen_base =
2833 * ion_map_kernel(rk_fb->ion_client, hdl);
2836 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2837 ion_hanle[tmp] = ion_hanle[tmp - 1];
2842 case RK_FBIOSET_ENABLE:
2843 if (copy_from_user(&enable, argp, sizeof(enable)))
2845 if (enable && fb_par->state)
2849 dev_drv->ops->open(dev_drv, win_id, enable);
2851 case RK_FBIOGET_ENABLE:
2852 enable = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
2853 if (copy_to_user(argp, &enable, sizeof(enable)))
2856 case RK_FBIOSET_OVERLAY_STA:
2857 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2859 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2861 case RK_FBIOGET_OVERLAY_STA:
2862 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2863 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2866 case RK_FBIOPUT_NUM_BUFFERS:
2867 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2869 dev_drv->num_buf = num_buf;
2871 case RK_FBIOSET_VSYNC_ENABLE:
2872 if (copy_from_user(&enable, argp, sizeof(enable)))
2874 dev_drv->vsync_info.active = enable;
2877 case RK_FBIOGET_DSP_ADDR:
2878 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2879 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2882 case RK_FBIOGET_LIST_STA:
2883 list_stat = rk_fb_get_list_stat(dev_drv);
2884 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2888 case RK_FBIOGET_IOMMU_STA:
2889 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2890 sizeof(dev_drv->iommu_enabled)))
2893 #if defined(CONFIG_ION_ROCKCHIP)
2894 case RK_FBIOSET_DMABUF_FD:
2897 struct ion_handle *hdl;
2898 ion_phys_addr_t phy_addr;
2901 if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2904 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2905 ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2906 fix->smem_start = phy_addr;
2909 case RK_FBIOGET_DMABUF_FD:
2913 if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2915 "get dma_buf fd failed,ion handle is err\n");
2916 return PTR_ERR(fb_par->ion_hdl);
2918 fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2922 "ion_share_dma_buf_fd failed\n");
2925 if (copy_to_user(argp, &fd, sizeof(fd)))
2930 case RK_FBIOSET_CLEAR_FB:
2931 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2933 case RK_FBIOSET_CONFIG_DONE:
2936 struct timespec now;
2938 getnstimeofday(&now);
2939 curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2940 cfgdone_distlist[cfgdone_index++] =
2941 curr - cfgdone_lasttime;
2942 cfgdone_lasttime = curr;
2943 if (cfgdone_index >= 10)
2946 if (copy_from_user(&win_data,
2947 (struct rk_fb_win_cfg_data __user *)argp,
2948 sizeof(win_data))) {
2953 dev_drv->wait_fs = win_data.wait_fs;
2954 ret = rk_fb_set_win_config(info, &win_data);
2956 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2957 &win_data, sizeof(win_data))) {
2961 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2963 if (dev_drv->uboot_logo)
2964 dev_drv->uboot_logo = 0;
2968 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2975 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2977 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2978 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2979 struct fb_fix_screeninfo *fix = &info->fix;
2981 #if defined(CONFIG_RK_HDMI)
2982 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2985 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2988 mutex_lock(&dev_drv->switch_screen);
2989 #if defined(CONFIG_RK_HDMI)
2990 if ((rk_fb->disp_mode == ONE_DUAL) &&
2991 (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2992 pr_info("hdmi is connect , not blank lcdc\n");
2996 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2998 mutex_unlock(&dev_drv->switch_screen);
3002 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
3004 if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
3005 (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
3006 ((16 != var->bits_per_pixel) &&
3007 (32 != var->bits_per_pixel) &&
3008 (24 != var->bits_per_pixel))) {
3009 dev_err(info->dev, "%s check var fail 1:\n"
3010 "xres_vir:%d>>yres_vir:%d\n"
3011 "xres:%d>>yres:%d\n"
3012 "bits_per_pixel:%d\n",
3016 var->xres, var->yres, var->bits_per_pixel);
3020 if (((var->xoffset + var->xres) > var->xres_virtual) ||
3021 ((var->yoffset + var->yres) > (var->yres_virtual))) {
3022 dev_err(info->dev, "%s check_var fail 2:\n"
3023 "xoffset:%d>>xres:%d>>xres_vir:%d\n"
3024 "yoffset:%d>>yres:%d>>yres_vir:%d\n",
3029 var->yoffset, var->yres, var->yres_virtual);
3036 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
3037 size_t count, loff_t *ppos)
3039 unsigned long p = *ppos;
3042 int c, cnt = 0, err = 0;
3043 unsigned long total_size;
3044 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3045 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3046 struct rk_lcdc_win *win = NULL;
3049 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3053 win = dev_drv->win[win_id];
3055 /* only read the current frame buffer */
3056 if (win->area[0].format == RGB565) {
3057 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
3058 } else if ((win->area[0].format == YUV420) ||
3059 (win->area[0].format == YUV420_NV21)) {
3061 (win->area[0].y_vir_stride * win->area[0].yact * 6);
3063 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
3065 if (p >= total_size)
3068 if (count >= total_size)
3071 if (count + p > total_size)
3072 count = total_size - p;
3074 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3078 src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3081 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3083 fb_memcpy_fromfb(dst, src, c);
3087 if (copy_to_user(buf, buffer, c)) {
3099 return (err) ? err : cnt;
3102 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
3103 size_t count, loff_t *ppos)
3105 unsigned long p = *ppos;
3108 int c, cnt = 0, err = 0;
3109 unsigned long total_size;
3110 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3111 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3112 struct rk_lcdc_win *win = NULL;
3115 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3119 win = dev_drv->win[win_id];
3121 /* write the current frame buffer */
3122 if (win->area[0].format == RGB565)
3123 total_size = win->area[0].xact * win->area[0].yact << 1;
3125 total_size = win->area[0].xact * win->area[0].yact << 2;
3130 if (count > total_size) {
3135 if (count + p > total_size) {
3139 count = total_size - p;
3142 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3146 dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3149 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3152 if (copy_from_user(src, buf, c)) {
3157 fb_memcpy_tofb(dst, src, c);
3168 return (cnt) ? cnt : err;
3171 static int rk_fb_set_par(struct fb_info *info)
3173 struct fb_var_screeninfo *var = &info->var;
3174 struct fb_fix_screeninfo *fix = &info->fix;
3175 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3176 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3177 struct rk_lcdc_win *win = NULL;
3178 struct rk_screen *screen = dev_drv->cur_screen;
3180 u16 xsize = 0, ysize = 0; /* winx display window height/width --->LCDC_WINx_DSP_INFO */
3181 u32 xoffset = var->xoffset; /* offset from virtual to visible */
3182 u32 yoffset = var->yoffset;
3183 u16 xpos = (var->nonstd >> 8) & 0xfff; /*visiable pos in panel */
3184 u16 ypos = (var->nonstd >> 20) & 0xfff;
3185 u32 xvir = var->xres_virtual;
3186 u8 data_format = var->nonstd & 0xff;
3190 u32 stride, uv_stride = 0;
3193 u16 uv_x_off, uv_y_off, uv_y_act;
3195 /*var->pixclock = dev_drv->pixclock;*/
3196 if (dev_drv->suspend_flag)
3198 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3202 win = dev_drv->win[win_id];
3204 /* if the application has specific the hor and ver display size */
3205 if (var->grayscale >> 8) {
3206 xsize = (var->grayscale >> 8) & 0xfff;
3207 ysize = (var->grayscale >> 20) & 0xfff;
3208 if (xsize > screen->mode.xres)
3209 xsize = screen->mode.xres;
3210 if (ysize > screen->mode.yres)
3211 ysize = screen->mode.yres;
3212 } else { /*ohterwise full screen display */
3213 xsize = screen->mode.xres;
3214 ysize = screen->mode.yres;
3217 win->colorspace = CSC_FORMAT(data_format);
3218 data_format &= ~CSC_MASK;
3219 fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
3220 if (IS_FBDC_FMT(fb_data_fmt)) {
3221 win->area[0].fbdc_en = 1;
3222 win->area[0].fbdc_cor_en = 1;
3224 win->area[0].fbdc_en = 0;
3225 win->area[0].fbdc_cor_en = 0;
3227 pixel_width = rk_fb_pixel_width(fb_data_fmt);
3228 vir_width_bit = pixel_width * xvir;
3229 /* pixel_width = byte_num * 8 */
3230 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3231 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3233 switch (fb_data_fmt) {
3237 stride = stride_32bit_1;
3238 uv_stride = stride_32bit_1;
3241 fix->line_length = stride;
3242 uv_y_act = win->area[0].yact >> 1;
3244 case YUV420: /* nv12 */
3245 case YUV420_NV21: /* nv21 */
3248 stride = stride_32bit_1;
3249 uv_stride = stride_32bit_1;
3251 uv_y_off = yoffset >> 1;
3252 fix->line_length = stride;
3253 uv_y_act = win->area[0].yact >> 1;
3258 stride = stride_32bit_1;
3259 uv_stride = stride_32bit_2;
3260 uv_x_off = xoffset * 2;
3262 fix->line_length = stride << 2;
3263 uv_y_act = win->area[0].yact;
3266 stride = stride_32bit_1; /* default rgb */
3267 fix->line_length = stride;
3271 win->area[0].format = fb_data_fmt;
3272 win->area[0].y_vir_stride = stride >> 2;
3273 win->area[0].uv_vir_stride = uv_stride >> 2;
3274 win->area[0].xpos = xpos;
3275 win->area[0].ypos = ypos;
3276 win->area[0].xsize = xsize;
3277 win->area[0].ysize = ysize;
3278 win->area[0].xact = var->xres; /* winx active window height,is a wint of vir */
3279 win->area[0].yact = var->yres;
3280 win->area[0].xvir = var->xres_virtual; /* virtual resolution stride --->LCDC_WINx_VIR */
3281 win->area[0].yvir = var->yres_virtual;
3282 win->area[0].xoff = xoffset;
3283 win->area[0].yoff = yoffset;
3286 win->last_state = 1;
3289 win->alpha_mode = 4; /* AB_SRC_OVER; */
3290 win->alpha_en = ((win->area[0].format == ARGB888) ||
3291 (win->area[0].format == FBDC_ARGB_888) ||
3292 (win->area[0].format == FBDC_ABGR_888) ||
3293 (win->area[0].format == ABGR888)) ? 1 : 0;
3294 win->g_alpha_val = 0;
3296 dev_drv->ops->set_par(dev_drv, win_id);
3301 static inline unsigned int chan_to_field(unsigned int chan,
3302 struct fb_bitfield *bf)
3305 chan >>= 16 - bf->length;
3306 return chan << bf->offset;
3309 static int fb_setcolreg(unsigned regno,
3310 unsigned red, unsigned green, unsigned blue,
3311 unsigned transp, struct fb_info *info)
3315 switch (info->fix.visual) {
3316 case FB_VISUAL_TRUECOLOR:
3317 /* true-colour, use pseudo-palette */
3319 u32 *pal = info->pseudo_palette;
3321 val = chan_to_field(red, &info->var.red);
3322 val |= chan_to_field(green, &info->var.green);
3323 val |= chan_to_field(blue, &info->var.blue);
3328 return -1; /* unknown type */
3334 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3336 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3337 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3338 struct ion_handle *handle = fb_par->ion_hdl;
3339 struct dma_buf *dma_buf = NULL;
3341 if (IS_ERR_OR_NULL(handle)) {
3342 dev_err(info->dev, "failed to get ion handle:%ld\n",
3346 dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3347 if (IS_ERR_OR_NULL(dma_buf)) {
3348 pr_info("get ion share dma buf failed\n");
3352 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3354 return dma_buf_mmap(dma_buf, vma, 0);
3357 static struct fb_ops fb_ops = {
3358 .owner = THIS_MODULE,
3359 .fb_open = rk_fb_open,
3360 .fb_release = rk_fb_close,
3361 .fb_check_var = rk_fb_check_var,
3362 .fb_set_par = rk_fb_set_par,
3363 .fb_blank = rk_fb_blank,
3364 .fb_ioctl = rk_fb_ioctl,
3365 .fb_compat_ioctl = rk_fb_ioctl,
3366 .fb_pan_display = rk_fb_pan_display,
3367 .fb_read = rk_fb_read,
3368 .fb_write = rk_fb_write,
3369 .fb_setcolreg = fb_setcolreg,
3370 .fb_fillrect = cfb_fillrect,
3371 .fb_copyarea = cfb_copyarea,
3372 .fb_imageblit = cfb_imageblit,
3375 static struct fb_var_screeninfo def_var = {
3376 #if defined(CONFIG_LOGO_LINUX_BMP)
3380 .transp = {0, 0, 0},
3381 .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3386 .transp = {0, 0, 0},
3387 .nonstd = HAL_PIXEL_FORMAT_RGB_565, /* (ypos<<20+xpos<<8+format) format */
3389 .grayscale = 0, /* (ysize<<20+xsize<<8) */
3390 .activate = FB_ACTIVATE_NOW,
3392 .vmode = FB_VMODE_NONINTERLACED,
3395 static struct fb_fix_screeninfo def_fix = {
3396 .type = FB_TYPE_PACKED_PIXELS,
3401 .accel = FB_ACCEL_NONE,
3402 .visual = FB_VISUAL_TRUECOLOR,
3406 static int rk_fb_wait_for_vsync_thread(void *data)
3408 struct rk_lcdc_driver *dev_drv = data;
3409 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3410 struct fb_info *fbi = rk_fb->fb[dev_drv->fb_index_base];
3412 while (!kthread_should_stop()) {
3413 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3414 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3415 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3416 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3419 sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3425 static ssize_t rk_fb_vsync_show(struct device *dev,
3426 struct device_attribute *attr, char *buf)
3428 struct fb_info *fbi = dev_get_drvdata(dev);
3429 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3430 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3432 return scnprintf(buf, PAGE_SIZE, "%llu\n",
3433 ktime_to_ns(dev_drv->vsync_info.timestamp));
3436 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3439 * this two function is for other module that in the kernel which
3440 * need show image directly through fb
3441 * fb_id:we have 4 fb here,default we use fb0 for ui display
3443 struct fb_info *rk_get_fb(int fb_id)
3445 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3446 struct fb_info *fb = inf->fb[fb_id];
3449 EXPORT_SYMBOL(rk_get_fb);
3451 void rk_direct_fb_show(struct fb_info *fbi)
3454 rk_fb_pan_display(&fbi->var, fbi);
3456 EXPORT_SYMBOL(rk_direct_fb_show);
3458 int rk_fb_dpi_open(bool open)
3460 struct rk_lcdc_driver *dev_drv = NULL;
3462 dev_drv = rk_get_prmry_lcdc_drv();
3463 if (dev_drv->ops->dpi_open)
3464 dev_drv->ops->dpi_open(dev_drv, open);
3468 int rk_fb_dpi_win_sel(int win_id)
3470 struct rk_lcdc_driver *dev_drv = NULL;
3472 dev_drv = rk_get_prmry_lcdc_drv();
3473 if (dev_drv->ops->dpi_win_sel)
3474 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3478 int rk_fb_dpi_status(void)
3481 struct rk_lcdc_driver *dev_drv = NULL;
3483 dev_drv = rk_get_prmry_lcdc_drv();
3484 if (dev_drv->ops->dpi_status)
3485 ret = dev_drv->ops->dpi_status(dev_drv);
3491 * function: this function will be called by display device, enable/disable lcdc
3492 * @screen: screen timing to be set to lcdc
3493 * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3494 * @lcdc_id: the lcdc id the display device attached ,0 or 1
3496 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3498 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3499 struct fb_info *info = NULL;
3500 struct rk_fb_par *fb_par = NULL;
3501 struct rk_lcdc_driver *dev_drv = NULL;
3502 struct rk_lcdc_win *win;
3505 static bool load_screen;
3509 int ret, list_is_empty = 0;
3511 if (unlikely(!rk_fb) || unlikely(!screen))
3514 /* get lcdc driver */
3515 sprintf(name, "lcdc%d", lcdc_id);
3516 dev_drv = rk_get_lcdc_drv(name);
3518 if (dev_drv == NULL) {
3519 pr_err("%s driver not found!", name);
3522 if (screen->type == SCREEN_HDMI)
3523 pr_info("hdmi %s lcdc%d\n",
3524 enable ? "connect to" : "remove from",
3526 else if (screen->type == SCREEN_TVOUT ||
3527 screen->type == SCREEN_TVOUT_TEST)
3528 pr_info("cvbs %s lcdc%d\n",
3529 enable ? "connect to" : "remove from",
3531 if (enable == 2 /*&& dev_drv->enable*/)
3533 pr_info("switch:en=%d,lcdc_id=%d,screen type=%d,cur type=%d\n",
3534 enable, lcdc_id, screen->type, dev_drv->cur_screen->type);
3536 mutex_lock(&dev_drv->switch_screen);
3537 hdmi_switch_state = 0;
3538 dev_drv->hdmi_switch = 1;
3539 if (!dev_drv->uboot_logo) {
3541 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
3542 list_empty(&dev_drv->saved_list);
3543 if (!list_is_empty) {
3544 ret = wait_event_timeout(dev_drv->update_regs_wait,
3545 list_empty(&dev_drv->update_regs_list) &&
3546 list_empty(&dev_drv->saved_list),
3547 msecs_to_jiffies(60));
3549 pr_info("%s: wait update_regs_wait timeout\n",
3554 envp[0] = "switch vop screen";
3555 memset(envplcdc, 0, sizeof(envplcdc));
3556 memset(envpfbdev, 0, sizeof(envpfbdev));
3557 sprintf(envplcdc, "SCREEN=%d,ENABLE=%d,VOPID=%d", screen->type, enable, dev_drv->id);
3558 sprintf(envpfbdev, "FBDEV=%d", dev_drv->fb_index_base);
3560 envp[2] = envpfbdev;
3563 if ((rk_fb->disp_mode == ONE_DUAL) ||
3564 (rk_fb->disp_mode == NO_DUAL)) {
3565 if ((dev_drv->ops->backlight_close) &&
3566 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3567 dev_drv->ops->backlight_close(dev_drv, 1);
3568 if (!dev_drv->uboot_logo || load_screen ||
3569 (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3570 if (dev_drv->ops->dsp_black)
3571 dev_drv->ops->dsp_black(dev_drv, 0);
3573 if ((dev_drv->ops->set_screen_scaler) &&
3574 (rk_fb->disp_mode == ONE_DUAL))
3575 dev_drv->ops->set_screen_scaler(dev_drv,
3576 dev_drv->screen0, 0);
3579 /* if screen type is different, we do not disable lcdc. */
3580 if (dev_drv->cur_screen->type != screen->type) {
3581 dev_drv->hdmi_switch = 0;
3582 mutex_unlock(&dev_drv->switch_screen);
3586 /* if used one lcdc to dual disp, no need to close win */
3587 if ((rk_fb->disp_mode == ONE_DUAL) ||
3588 ((rk_fb->disp_mode == NO_DUAL) &&
3589 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))) {
3590 dev_drv->cur_screen = dev_drv->screen0;
3591 dev_drv->ops->load_screen(dev_drv, 1);
3592 /* force modify dsp size */
3593 info = rk_fb->fb[dev_drv->fb_index_base];
3594 info->var.grayscale &= 0xff;
3595 info->var.grayscale |=
3596 (dev_drv->cur_screen->mode.xres << 8) +
3597 (dev_drv->cur_screen->mode.yres << 20);
3598 mutex_lock(&dev_drv->win_config);
3599 info->var.xoffset = 0;
3600 info->var.yoffset = 0;
3601 info->fbops->fb_set_par(info);
3602 info->fbops->fb_pan_display(&info->var, info);
3603 mutex_unlock(&dev_drv->win_config);
3606 * if currently is loader display, black until new
3609 if (dev_drv->uboot_logo) {
3610 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3611 if (dev_drv->win[i] && dev_drv->win[i]->state &&
3612 dev_drv->ops->win_direct_en)
3613 dev_drv->ops->win_direct_en(dev_drv, i, 0);
3617 /*if (dev_drv->ops->dsp_black)
3618 * dev_drv->ops->dsp_black(dev_drv, 0);
3620 if ((dev_drv->ops->backlight_close) &&
3621 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3622 dev_drv->ops->backlight_close(dev_drv, 0);
3623 } else if (rk_fb->num_lcdc > 1) {
3624 /* If there is more than one lcdc device, we disable
3625 * the layer which attached to this device
3627 dev_drv->suspend_flag = 1;
3628 flush_kthread_worker(&dev_drv->update_regs_worker);
3629 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3630 if (dev_drv->win[i] && dev_drv->win[i]->state)
3631 dev_drv->ops->open(dev_drv, i, 0);
3634 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3636 hdmi_switch_state = 0;
3637 dev_drv->hdmi_switch = 0;
3638 mutex_unlock(&dev_drv->switch_screen);
3641 if (dev_drv->uboot_logo) {
3642 if (dev_drv->cur_screen->mode.xres !=
3643 screen->mode.xres ||
3644 dev_drv->cur_screen->mode.yres !=
3648 if (dev_drv->screen1)
3649 dev_drv->cur_screen = dev_drv->screen1;
3651 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3652 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3653 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3654 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3655 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3657 if (!dev_drv->uboot_logo || load_screen ||
3658 (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3659 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3660 info = rk_fb->fb[dev_drv->fb_index_base + i];
3661 fb_par = (struct rk_fb_par *)info->par;
3662 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3663 win = dev_drv->win[win_id];
3664 if (win && fb_par->state) {
3665 dev_drv->ops->load_screen(dev_drv, 1);
3667 info->var.activate |= FB_ACTIVATE_FORCE;
3668 if (rk_fb->disp_mode == ONE_DUAL) {
3669 info->var.grayscale &= 0xff;
3670 info->var.grayscale |=
3671 (dev_drv->cur_screen->xsize << 8) +
3672 (dev_drv->cur_screen->ysize << 20);
3674 if (dev_drv->uboot_logo && win->state) {
3675 if (win->area[0].xpos ||
3676 win->area[0].ypos) {
3678 (screen->mode.xres -
3679 win->area[0].xsize) / 2;
3681 (screen->mode.yres -
3682 win->area[0].ysize) / 2;
3684 win->area[0].xsize =
3686 win->area[0].ysize =
3689 dev_drv->ops->set_par(dev_drv, i);
3690 dev_drv->ops->cfg_done(dev_drv);
3691 } else if (!dev_drv->win[win_id]->state) {
3692 dev_drv->ops->open(dev_drv, win_id, 1);
3693 dev_drv->suspend_flag = 0;
3694 /* mutex_lock(&dev_drv->win_config);
3695 * info->var.xoffset = 0;
3696 * info->var.yoffset = 0;
3697 * info->fbops->fb_set_par(info);
3698 * info->fbops->fb_pan_display(&info->var,
3700 * mutex_unlock(&dev_drv->win_config);
3706 dev_drv->ops->load_screen(dev_drv, 0);
3708 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3710 hdmi_switch_state = 1;
3712 dev_drv->hdmi_switch = 0;
3713 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3714 if ((dev_drv->ops->set_screen_scaler) &&
3715 (rk_fb->disp_mode == ONE_DUAL))
3716 dev_drv->ops->set_screen_scaler(dev_drv,
3717 dev_drv->screen0, 1);
3718 /*if (dev_drv->ops->dsp_black)
3719 * dev_drv->ops->dsp_black(dev_drv, 0);*/
3720 if ((dev_drv->ops->backlight_close) &&
3721 (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3722 (rk_fb->disp_mode == ONE_DUAL))
3723 dev_drv->ops->backlight_close(dev_drv, 0);
3725 mutex_unlock(&dev_drv->switch_screen);
3730 * function:this function current only called by hdmi for
3732 * scale_x: scale rate of x resolution
3733 * scale_y: scale rate of y resolution
3734 * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3736 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3738 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3739 struct fb_info *info = NULL;
3740 struct fb_info *pmy_info = NULL;
3741 struct fb_var_screeninfo *var = NULL;
3742 struct rk_lcdc_driver *dev_drv = NULL;
3743 u16 screen_x, screen_y;
3746 struct rk_screen primary_screen;
3748 rk_fb_get_prmry_screen(&primary_screen);
3749 if (primary_screen.type == SCREEN_HDMI)
3752 pr_err("should not be here--%s\n", __func__);
3755 sprintf(name, "lcdc%d", lcdc_id);
3757 if (inf->disp_mode == DUAL) {
3758 dev_drv = rk_get_lcdc_drv(name);
3760 pr_err("%s driver not found!", name);
3764 dev_drv = inf->lcdc_dev_drv[0];
3767 if (inf->num_lcdc == 1) {
3769 } else if (inf->num_lcdc == 2) {
3770 info = inf->fb[dev_drv->lcdc_win_num];
3771 pmy_info = inf->fb[0];
3775 screen_x = dev_drv->cur_screen->mode.xres;
3776 screen_y = dev_drv->cur_screen->mode.yres;
3778 if (inf->disp_mode != DUAL && dev_drv->screen1) {
3779 dev_drv->cur_screen->xpos =
3780 (screen_x - screen_x * scale_x / 100) >> 1;
3781 dev_drv->cur_screen->ypos =
3782 (screen_y - screen_y * scale_y / 100) >> 1;
3783 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3784 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3786 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3787 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3788 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3789 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3790 if (inf->disp_mode == ONE_DUAL) {
3791 var->nonstd &= 0xff;
3792 var->nonstd |= (xpos << 8) + (ypos << 20);
3793 var->grayscale &= 0xff;
3795 (dev_drv->cur_screen->xsize << 8) +
3796 (dev_drv->cur_screen->ysize << 20);
3800 mutex_lock(&dev_drv->win_config);
3801 info->fbops->fb_set_par(info);
3802 dev_drv->ops->cfg_done(dev_drv);
3803 mutex_unlock(&dev_drv->win_config);
3808 #if defined(CONFIG_ION_ROCKCHIP)
3809 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3810 struct rk_lcdc_win *win,
3811 unsigned long fb_mem_size)
3813 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3814 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3815 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3816 struct ion_handle *handle;
3817 ion_phys_addr_t phy_addr;
3821 if (dev_drv->iommu_enabled)
3822 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3823 ION_HEAP_SYSTEM_MASK, 0);
3825 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3826 ION_HEAP_TYPE_DMA_MASK, 0);
3828 if (IS_ERR(handle)) {
3829 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3834 fb_par->ion_hdl = handle;
3835 win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3836 if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3837 pr_info("ion_share_dma_buf() failed\n");
3838 goto err_share_dma_buf;
3840 win->area[0].ion_hdl = handle;
3841 if (dev_drv->prop == PRMRY)
3842 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3843 if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3844 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3845 (unsigned long *)&phy_addr,
3846 (unsigned long *)&len);
3848 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3850 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3851 goto err_share_dma_buf;
3853 fbi->fix.smem_start = phy_addr;
3854 fbi->fix.smem_len = len;
3855 pr_info("alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3859 ion_free(rk_fb->ion_client, handle);
3864 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3866 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3867 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3868 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3869 struct rk_lcdc_win *win = NULL;
3872 unsigned long fb_mem_size;
3873 #if !defined(CONFIG_ION_ROCKCHIP)
3874 dma_addr_t fb_mem_phys;
3877 ion_phys_addr_t phy_addr;
3880 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3884 win = dev_drv->win[win_id];
3886 if (!strcmp(fbi->fix.id, "fb0")) {
3887 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3888 #if defined(CONFIG_ION_ROCKCHIP)
3889 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3892 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3893 &fb_mem_phys, GFP_KERNEL);
3895 pr_err("%s: Failed to allocate framebuffer\n",
3899 fbi->fix.smem_len = fb_mem_size;
3900 fbi->fix.smem_start = fb_mem_phys;
3901 fbi->screen_base = fb_mem_virt;
3903 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3905 if (dev_drv->prop == EXTEND && dev_drv->iommu_enabled) {
3906 struct rk_lcdc_driver *dev_drv_prmry;
3909 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3910 #if defined(CONFIG_ION_ROCKCHIP)
3911 dev_drv_prmry = rk_get_prmry_lcdc_drv();
3912 if (dev_drv_prmry == NULL)
3915 dev_drv_prmry->ops->fb_get_win_id(dev_drv_prmry,
3917 if (win_id_prmry < 0)
3921 dev_drv_prmry->win[win_id_prmry]->area[0].ion_hdl;
3923 ion_map_kernel(rk_fb->ion_client,
3925 dev_drv->win[win_id]->area[0].ion_hdl =
3927 if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3928 ret = ion_map_iommu(dev_drv->dev,
3931 (unsigned long *)&phy_addr,
3932 (unsigned long *)&len);
3934 ret = ion_phys(rk_fb->ion_client,
3938 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3941 fbi->fix.smem_start = phy_addr;
3942 fbi->fix.smem_len = len;
3944 fb_mem_virt = dma_alloc_writecombine(fbi->dev,
3949 pr_err("%s: Failed to allocate framebuffer\n",
3953 fbi->fix.smem_len = fb_mem_size;
3954 fbi->fix.smem_start = fb_mem_phys;
3955 fbi->screen_base = fb_mem_virt;
3958 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3959 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3960 fbi->screen_base = rk_fb->fb[0]->screen_base;
3964 fbi->screen_size = fbi->fix.smem_len;
3965 fb_par->fb_phy_base = fbi->fix.smem_start;
3966 fb_par->fb_virt_base = fbi->screen_base;
3967 fb_par->fb_size = fbi->fix.smem_len;
3969 pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3970 fbi->fix.smem_start, fbi->screen_base,
3976 static int rk_release_fb_buffer(struct fb_info *fbi)
3978 /* buffer for fb1 and fb3 are alloc by android */
3979 if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3981 iounmap(fbi->screen_base);
3982 release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3987 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3988 struct rk_lcdc_win *def_win)
3991 int lcdc_win_num = dev_drv->lcdc_win_num;
3993 for (i = 0; i < lcdc_win_num; i++) {
3994 struct rk_lcdc_win *win = NULL;
3996 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3998 dev_err(dev_drv->dev, "kzmalloc for win fail!");
4002 strcpy(win->name, def_win[i].name);
4003 win->id = def_win[i].id;
4004 win->support_3d = def_win[i].support_3d;
4005 win->property.feature = def_win[i].property.feature;
4006 win->property.max_input_x = def_win[i].property.max_input_x;
4007 win->property.max_input_y = def_win[i].property.max_input_y;
4008 dev_drv->win[i] = win;
4014 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
4015 struct rk_lcdc_win *def_win, int index)
4017 struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
4018 struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
4019 sizeof(struct rk_screen),
4024 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
4029 screen->screen_id = 0;
4030 screen->lcdc_id = dev_drv->id;
4031 screen->overscan.left = 100;
4032 screen->overscan.top = 100;
4033 screen->overscan.right = 100;
4034 screen->overscan.bottom = 100;
4036 screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
4037 screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
4039 dev_drv->screen0 = screen;
4040 dev_drv->cur_screen = screen;
4041 /* devie use one lcdc + rk61x scaler for dual display */
4042 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
4043 struct rk_screen *screen1 =
4044 devm_kzalloc(dev_drv->dev,
4045 sizeof(struct rk_screen),
4048 dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
4052 screen1->screen_id = 1;
4053 screen1->lcdc_id = 1;
4054 dev_drv->screen1 = screen1;
4056 sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
4057 init_lcdc_win(dev_drv, def_win);
4058 init_completion(&dev_drv->frame_done);
4059 spin_lock_init(&dev_drv->cpl_lock);
4060 mutex_init(&dev_drv->fb_win_id_mutex);
4061 mutex_init(&dev_drv->win_config);
4062 mutex_init(&dev_drv->front_lock);
4063 mutex_init(&dev_drv->switch_screen);
4064 dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
4065 dev_drv->first_frame = 1;
4066 dev_drv->overscan.left = 100;
4067 dev_drv->overscan.top = 100;
4068 dev_drv->overscan.right = 100;
4069 dev_drv->overscan.bottom = 100;
4070 for (i = 0; i < RK30_MAX_LAYER_SUPPORT; i++)
4071 dev_drv->area_support[i] = 1;
4072 if (dev_drv->ops->area_support_num)
4073 dev_drv->ops->area_support_num(dev_drv, dev_drv->area_support);
4074 rk_disp_pwr_ctr_parse_dt(dev_drv);
4075 if (dev_drv->prop == PRMRY) {
4076 rk_fb_set_prmry_screen(screen);
4077 rk_fb_get_prmry_screen(screen);
4079 dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
4080 if (dev_drv->prop != PRMRY)
4081 rk_fb_get_extern_screen(screen);
4082 dev_drv->output_color = screen->color_mode;
4087 #ifdef CONFIG_LOGO_LINUX_BMP
4088 static struct linux_logo *bmp_logo;
4089 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
4091 bmp_logo = fb_find_logo(24);
4092 if (bmp_logo == NULL) {
4093 pr_info("%s error\n", __func__);
4099 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
4101 unsigned char *src = bmp_logo->data;
4102 unsigned char *dst = info->screen_base;
4104 unsigned int needwidth = (*(src - 24) << 8) | (*(src - 23));
4105 unsigned int needheight = (*(src - 22) << 8) | (*(src - 21));
4107 for (i = 0; i < needheight; i++)
4108 memcpy(dst + info->var.xres * i * 4,
4109 src + bmp_logo->width * i * 4, needwidth * 4);
4114 * check if the primary lcdc has registered,
4115 * the primary lcdc mas register first
4117 bool is_prmry_rk_lcdc_registered(void)
4119 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4121 if (rk_fb->lcdc_dev_drv[0])
4127 __weak phys_addr_t uboot_logo_base;
4128 __weak phys_addr_t uboot_logo_size;
4129 __weak phys_addr_t uboot_logo_offset;
4131 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
4132 struct rk_lcdc_win *win, int id)
4134 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4135 struct fb_info *fbi;
4136 struct rk_fb_par *fb_par = NULL;
4137 int i = 0, ret = 0, index = 0;
4138 unsigned long flags;
4139 char time_line_name[16];
4141 if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
4144 for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
4145 if (!rk_fb->lcdc_dev_drv[i]) {
4146 rk_fb->lcdc_dev_drv[i] = dev_drv;
4147 rk_fb->lcdc_dev_drv[i]->id = id;
4154 init_lcdc_device_driver(rk_fb, win, index);
4155 dev_drv->fb_index_base = rk_fb->num_fb;
4156 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
4157 fbi = framebuffer_alloc(0, &fb_pdev->dev);
4159 dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
4162 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
4165 dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
4169 fb_par->id = rk_fb->num_fb;
4170 fb_par->lcdc_drv = dev_drv;
4171 fbi->par = (void *)fb_par;
4174 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
4175 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
4176 fbi->var.grayscale |=
4177 (fbi->var.xres << 8) + (fbi->var.yres << 20);
4178 #if defined(CONFIG_LOGO_LINUX_BMP)
4179 fbi->var.bits_per_pixel = 32;
4181 fbi->var.bits_per_pixel = 16;
4183 fbi->fix.line_length =
4184 (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
4185 fbi->var.width = dev_drv->cur_screen->width;
4186 fbi->var.height = dev_drv->cur_screen->height;
4187 if (dev_drv->iommu_enabled)
4188 fb_ops.fb_mmap = rk_fb_mmap;
4189 fbi->fbops = &fb_ops;
4190 fbi->flags = FBINFO_FLAG_DEFAULT;
4191 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
4192 ret = register_framebuffer(fbi);
4194 dev_err(&fb_pdev->dev,
4195 "%s fb%d register_framebuffer fail!\n",
4196 __func__, rk_fb->num_fb);
4199 rkfb_create_sysfs(fbi);
4200 rk_fb->fb[rk_fb->num_fb] = fbi;
4201 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
4206 init_waitqueue_head(&dev_drv->vsync_info.wait);
4207 init_waitqueue_head(&dev_drv->update_regs_wait);
4208 ret = device_create_file(fbi->dev, &dev_attr_vsync);
4211 "failed to create vsync file\n");
4212 dev_drv->vsync_info.thread =
4213 kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
4215 if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
4217 "failed to run vsync thread\n");
4218 dev_drv->vsync_info.thread = NULL;
4220 dev_drv->vsync_info.active = 1;
4222 mutex_init(&dev_drv->output_lock);
4224 INIT_LIST_HEAD(&dev_drv->update_regs_list);
4225 INIT_LIST_HEAD(&dev_drv->saved_list);
4226 mutex_init(&dev_drv->update_regs_list_lock);
4227 init_kthread_worker(&dev_drv->update_regs_worker);
4229 dev_drv->update_regs_thread =
4230 kthread_run(kthread_worker_fn,
4231 &dev_drv->update_regs_worker, "rk-fb");
4232 if (IS_ERR(dev_drv->update_regs_thread)) {
4233 int err = PTR_ERR(dev_drv->update_regs_thread);
4235 dev_drv->update_regs_thread = NULL;
4236 pr_info("failed to run update_regs thread\n");
4239 init_kthread_work(&dev_drv->update_regs_work,
4240 rk_fb_update_regs_handler);
4242 snprintf(time_line_name, sizeof(time_line_name),
4243 "vop%d-timeline", id);
4245 sw_sync_timeline_create(time_line_name);
4246 dev_drv->timeline_max = 1;
4250 /* show logo for primary display device */
4251 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
4252 if (dev_drv->prop == PRMRY) {
4256 struct fb_info *main_fbi = rk_fb->fb[0];
4258 main_fbi->fbops->fb_open(main_fbi, 1);
4259 main_fbi->var.pixclock = dev_drv->pixclock;
4260 if (dev_drv->iommu_enabled) {
4261 if (dev_drv->mmu_dev)
4262 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4263 rk_fb_sysmmu_fault_handler);
4266 rk_fb_alloc_buffer(main_fbi); /* only alloc memory for main fb */
4267 dev_drv->uboot_logo = support_uboot_display();
4269 if (dev_drv->uboot_logo &&
4270 uboot_logo_offset && uboot_logo_base) {
4271 int width, height, bits, xvir;
4272 phys_addr_t start = uboot_logo_base + uboot_logo_offset;
4273 unsigned int size = uboot_logo_size - uboot_logo_offset;
4274 unsigned int nr_pages;
4276 struct page **pages;
4280 if (dev_drv->ops->get_dspbuf_info)
4281 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4282 &yact, &format, &dsp_addr, &ymirror);
4283 nr_pages = size >> PAGE_SHIFT;
4284 pages = kzalloc(sizeof(struct page) * nr_pages,
4286 while (i < nr_pages) {
4287 pages[i] = phys_to_page(start);
4291 vaddr = vmap(pages, nr_pages, VM_MAP,
4292 pgprot_writecombine(PAGE_KERNEL));
4294 pr_err("failed to vmap phy addr 0x%lx\n",
4295 (long)(uboot_logo_base +
4296 uboot_logo_offset));
4300 if (bmpdecoder(vaddr, main_fbi->screen_base, &width,
4308 if (dev_drv->uboot_logo &&
4309 (width != xact || height != yact)) {
4310 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
4311 xact, yact, width, height);
4314 xvir = ALIGN(width * bits, 1 << 5) >> 5;
4316 local_irq_save(flags);
4317 if (dev_drv->ops->wait_frame_start)
4318 dev_drv->ops->wait_frame_start(dev_drv, 0);
4319 if (dev_drv->ops->post_dspbuf) {
4320 dev_drv->ops->post_dspbuf(dev_drv,
4321 main_fbi->fix.smem_start,
4322 rk_fb_data_fmt(0, bits),
4323 width, height, xvir,
4326 if (dev_drv->iommu_enabled) {
4327 rk_fb_poll_wait_frame_complete();
4328 if (dev_drv->ops->mmu_en)
4329 dev_drv->ops->mmu_en(dev_drv);
4332 local_irq_restore(flags);
4334 } else if (dev_drv->uboot_logo && uboot_logo_base) {
4335 u32 start = uboot_logo_base;
4336 int logo_len, i = 0;
4338 unsigned int nr_pages;
4339 struct page **pages;
4341 int align = 0, xvir;
4343 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4347 logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
4348 if (logo_len > uboot_logo_size ||
4349 logo_len > main_fbi->fix.smem_len) {
4350 pr_err("logo size > uboot reserve buffer size\n");
4356 align = start % PAGE_SIZE;
4358 nr_pages = PAGE_ALIGN(logo_len + align) >> PAGE_SHIFT;
4359 pages = kzalloc(sizeof(struct page) * nr_pages,
4361 while (i < nr_pages) {
4362 pages[i] = phys_to_page(start);
4366 vaddr = vmap(pages, nr_pages, VM_MAP,
4367 pgprot_writecombine(PAGE_KERNEL));
4369 pr_err("failed to vmap phy addr 0x%x\n",
4374 memcpy(main_fbi->screen_base, vaddr + align, logo_len);
4378 xvir = ALIGN(xact * rk_fb_pixel_width(format),
4380 local_irq_save(flags);
4381 if (dev_drv->ops->wait_frame_start)
4382 dev_drv->ops->wait_frame_start(dev_drv, 0);
4383 dev_drv->ops->post_dspbuf(dev_drv,
4384 main_fbi->fix.smem_start +
4385 (y_mirror ? logo_len : 0),
4389 if (dev_drv->iommu_enabled) {
4390 rk_fb_poll_wait_frame_complete();
4391 if (dev_drv->ops->mmu_en)
4392 dev_drv->ops->mmu_en(dev_drv);
4395 local_irq_restore(flags);
4398 if (dev_drv->iommu_enabled) {
4399 if (dev_drv->ops->mmu_en)
4400 dev_drv->ops->mmu_en(dev_drv);
4404 #if defined(CONFIG_LOGO)
4405 main_fbi->fbops->fb_set_par(main_fbi);
4406 #if defined(CONFIG_LOGO_LINUX_BMP)
4407 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
4408 fb_set_cmap(&main_fbi->cmap, main_fbi);
4409 fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
4412 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
4413 fb_set_cmap(&main_fbi->cmap, main_fbi);
4414 fb_show_logo(main_fbi, FB_ROTATE_UR);
4417 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
4420 struct fb_info *extend_fbi = rk_fb->fb[dev_drv->fb_index_base];
4422 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
4423 extend_fbi->fbops->fb_open(extend_fbi, 1);
4424 if (dev_drv->iommu_enabled) {
4425 if (dev_drv->mmu_dev)
4426 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4427 rk_fb_sysmmu_fault_handler);
4429 rk_fb_alloc_buffer(extend_fbi);
4435 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
4437 struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
4438 struct fb_info *fbi;
4439 int fb_index_base = dev_drv->fb_index_base;
4440 int fb_num = dev_drv->lcdc_win_num;
4443 if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4444 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4445 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4448 for (i = 0; i < fb_num; i++)
4449 kfree(dev_drv->win[i]);
4451 for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4452 fbi = fb_inf->fb[i];
4453 unregister_framebuffer(fbi);
4454 /* rk_release_fb_buffer(fbi); */
4455 framebuffer_release(fbi);
4457 fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4463 static int rk_fb_probe(struct platform_device *pdev)
4465 struct rk_fb *rk_fb = NULL;
4466 struct device_node *np = pdev->dev.of_node;
4470 dev_err(&pdev->dev, "Missing device tree node.\n");
4474 rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4476 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4479 platform_set_drvdata(pdev, rk_fb);
4481 if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4482 rk_fb->disp_mode = mode;
4485 dev_err(&pdev->dev, "no disp-mode node found!");
4489 if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
4490 rk_fb->disp_policy = mode;
4491 pr_info("fb disp policy is %s\n",
4492 rk_fb->disp_policy ? "box" : "sdk");
4495 if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4496 pr_info("uboot-logo-on:%d\n", uboot_logo_on);
4498 dev_set_name(&pdev->dev, "rockchip-fb");
4499 #if defined(CONFIG_ION_ROCKCHIP)
4500 rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4501 if (IS_ERR(rk_fb->ion_client)) {
4502 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4503 return PTR_ERR(rk_fb->ion_client);
4505 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4510 dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4514 static int rk_fb_remove(struct platform_device *pdev)
4516 platform_set_drvdata(pdev, NULL);
4520 static void rk_fb_shutdown(struct platform_device *pdev)
4522 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4525 for (i = 0; i < rk_fb->num_lcdc; i++) {
4526 if (!rk_fb->lcdc_dev_drv[i])
4528 sw_sync_timeline_inc(rk_fb->lcdc_dev_drv[i]->timeline, 1);
4532 static const struct of_device_id rkfb_dt_ids[] = {
4533 {.compatible = "rockchip,rk-fb",},
4537 static struct platform_driver rk_fb_driver = {
4538 .probe = rk_fb_probe,
4539 .remove = rk_fb_remove,
4542 .owner = THIS_MODULE,
4543 .of_match_table = of_match_ptr(rkfb_dt_ids),
4545 .shutdown = rk_fb_shutdown,
4548 static int __init rk_fb_init(void)
4550 return platform_driver_register(&rk_fb_driver);
4553 static void __exit rk_fb_exit(void)
4555 platform_driver_unregister(&rk_fb_driver);
4558 fs_initcall(rk_fb_init);
4559 module_exit(rk_fb_exit);