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) {
193 pr_warn("%s: unsupported format: 0x%x\n",
194 __func__, data_format);
200 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
205 switch (data_format) {
206 case HAL_PIXEL_FORMAT_RGBX_8888:
207 fb_data_fmt = XBGR888;
209 case HAL_PIXEL_FORMAT_RGBA_8888:
210 fb_data_fmt = ABGR888;
212 case HAL_PIXEL_FORMAT_BGRA_8888:
213 fb_data_fmt = ARGB888;
215 case HAL_PIXEL_FORMAT_RGB_888:
216 fb_data_fmt = RGB888;
218 case HAL_PIXEL_FORMAT_RGB_565:
219 fb_data_fmt = RGB565;
221 case HAL_PIXEL_FORMAT_YCbCr_422_SP: /* yuv422 */
222 fb_data_fmt = YUV422;
224 case HAL_PIXEL_FORMAT_YCrCb_420_SP: /* YUV420---vuvuvu */
225 fb_data_fmt = YUV420_NV21;
227 case HAL_PIXEL_FORMAT_YCrCb_NV12: /* YUV420---uvuvuv */
228 fb_data_fmt = YUV420;
230 case HAL_PIXEL_FORMAT_YCrCb_444: /* yuv444 */
231 fb_data_fmt = YUV444;
233 case HAL_PIXEL_FORMAT_YCrCb_NV12_10: /* yuv444 */
234 fb_data_fmt = YUV420_A;
236 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10: /* yuv444 */
237 fb_data_fmt = YUV422_A;
239 case HAL_PIXEL_FORMAT_YCrCb_444_SP_10: /* yuv444 */
240 fb_data_fmt = YUV444_A;
242 case HAL_PIXEL_FORMAT_FBDC_RGB565: /* fbdc rgb565*/
243 fb_data_fmt = FBDC_RGB_565;
245 case HAL_PIXEL_FORMAT_FBDC_U8U8U8U8: /* fbdc argb888 */
246 fb_data_fmt = FBDC_ARGB_888;
248 case HAL_PIXEL_FORMAT_FBDC_RGBA888: /* fbdc abgr888 */
249 fb_data_fmt = FBDC_ABGR_888;
251 case HAL_PIXEL_FORMAT_FBDC_U8U8U8: /* fbdc rgb888 */
252 fb_data_fmt = FBDC_RGBX_888;
255 pr_warn("%s: unsupported format: 0x%x\n",
256 __func__, data_format);
260 switch (bits_per_pixel) {
262 fb_data_fmt = ARGB888;
265 fb_data_fmt = RGB888;
268 fb_data_fmt = RGB565;
271 pr_warn("%s: unsupported bits_per_pixel: %d\n",
272 __func__, bits_per_pixel);
280 * rk display power control parse from dts
282 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
284 struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
286 struct device_node *child;
287 struct rk_disp_pwr_ctr_list *pwr_ctr;
288 struct list_head *pos;
289 enum of_gpio_flags flags;
294 INIT_LIST_HEAD(&dev_drv->pwrlist_head);
296 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
301 for_each_child_of_node(root, child) {
302 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
304 strcpy(pwr_ctr->pwr_ctr.name, child->name);
305 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
307 pwr_ctr->pwr_ctr.type = GPIO;
308 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
309 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
310 dev_err(dev_drv->dev, "%s ivalid gpio\n",
314 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
315 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
318 dev_err(dev_drv->dev,
319 "request %s gpio fail:%d\n",
324 pwr_ctr->pwr_ctr.type = REGULATOR;
325 pwr_ctr->pwr_ctr.rgl_name = NULL;
326 ret = of_property_read_string(child, "rockchip,regulator_name",
327 &(pwr_ctr->pwr_ctr.rgl_name));
328 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
329 dev_err(dev_drv->dev, "get regulator name failed!\n");
330 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
331 pwr_ctr->pwr_ctr.volt = val;
333 pwr_ctr->pwr_ctr.volt = 0;
337 if (!of_property_read_u32(child, "rockchip,delay", &val))
338 pwr_ctr->pwr_ctr.delay = val;
340 pwr_ctr->pwr_ctr.delay = 0;
341 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
344 of_property_read_u32(root, "rockchip,debug", &debug);
347 list_for_each(pos, &dev_drv->pwrlist_head) {
348 pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
350 pr_info("pwr_ctr_name:%s\n"
355 pwr_ctr->pwr_ctr.name,
356 (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
357 pwr_ctr->pwr_ctr.gpio,
358 pwr_ctr->pwr_ctr.atv_val,
359 pwr_ctr->pwr_ctr.delay);
366 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
368 struct list_head *pos;
369 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
370 struct pwr_ctr *pwr_ctr;
371 struct regulator *regulator_lcd = NULL;
374 if (list_empty(&dev_drv->pwrlist_head))
376 list_for_each(pos, &dev_drv->pwrlist_head) {
377 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
379 pwr_ctr = &pwr_ctr_list->pwr_ctr;
380 if (pwr_ctr->type == GPIO) {
381 gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
382 mdelay(pwr_ctr->delay);
383 } else if (pwr_ctr->type == REGULATOR) {
384 if (pwr_ctr->rgl_name)
386 regulator_get(NULL, pwr_ctr->rgl_name);
387 if (regulator_lcd == NULL) {
388 dev_err(dev_drv->dev,
389 "%s: regulator get failed,regulator name:%s\n",
390 __func__, pwr_ctr->rgl_name);
393 regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
394 while (!regulator_is_enabled(regulator_lcd)) {
395 if (regulator_enable(regulator_lcd) == 0 || count == 0)
398 dev_err(dev_drv->dev,
399 "regulator_enable failed,count=%d\n",
403 regulator_put(regulator_lcd);
404 msleep(pwr_ctr->delay);
411 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
413 struct list_head *pos;
414 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
415 struct pwr_ctr *pwr_ctr;
416 struct regulator *regulator_lcd = NULL;
419 if (list_empty(&dev_drv->pwrlist_head))
421 list_for_each(pos, &dev_drv->pwrlist_head) {
422 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
424 pwr_ctr = &pwr_ctr_list->pwr_ctr;
425 if (pwr_ctr->type == GPIO) {
426 gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
427 } else if (pwr_ctr->type == REGULATOR) {
428 if (pwr_ctr->rgl_name)
429 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
430 if (regulator_lcd == NULL) {
431 dev_err(dev_drv->dev,
432 "%s: regulator get failed,regulator name:%s\n",
433 __func__, pwr_ctr->rgl_name);
436 while (regulator_is_enabled(regulator_lcd) > 0) {
437 if (regulator_disable(regulator_lcd) == 0 ||
441 dev_err(dev_drv->dev,
442 "regulator_disable failed,count=%d\n",
446 regulator_put(regulator_lcd);
452 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
453 struct rk_screen *screen)
455 screen->mode.pixclock = dt->pixelclock.typ;
456 screen->mode.left_margin = dt->hback_porch.typ;
457 screen->mode.right_margin = dt->hfront_porch.typ;
458 screen->mode.xres = dt->hactive.typ;
459 screen->mode.hsync_len = dt->hsync_len.typ;
460 screen->mode.upper_margin = dt->vback_porch.typ;
461 screen->mode.lower_margin = dt->vfront_porch.typ;
462 screen->mode.yres = dt->vactive.typ;
463 screen->mode.vsync_len = dt->vsync_len.typ;
464 screen->type = dt->screen_type;
465 screen->lvds_format = dt->lvds_format;
466 screen->face = dt->face;
467 screen->color_mode = dt->color_mode;
468 screen->dsp_lut = dt->dsp_lut;
469 screen->cabc_lut = dt->cabc_lut;
470 screen->cabc_gamma_base = dt->cabc_gamma_base;
472 if (dt->flags & DISPLAY_FLAGS_INTERLACED)
473 screen->mode.vmode |= FB_VMODE_INTERLACED;
474 if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
475 screen->pin_dclk = 1;
477 screen->pin_dclk = 0;
478 if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
479 screen->pin_hsync = 1;
481 screen->pin_hsync = 0;
482 if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
483 screen->pin_vsync = 1;
485 screen->pin_vsync = 0;
486 if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
494 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
496 struct display_timings *disp_timing;
497 struct display_timing *dt;
499 disp_timing = of_get_display_timings(np);
501 pr_err("parse display timing err\n");
504 dt = display_timings_get(disp_timing, disp_timing->native_mode);
505 rk_fb_video_mode_from_timing(dt, screen);
510 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
513 unsigned long long hz;
516 pr_err("%s:null screen!\n", __func__);
519 x = screen->mode.xres + screen->mode.left_margin +
520 screen->mode.right_margin + screen->mode.hsync_len;
521 y = screen->mode.yres + screen->mode.upper_margin +
522 screen->mode.lower_margin + screen->mode.vsync_len;
524 hz = 1000000000000ULL; /* 1e12 picoseconds per second */
527 do_div(hz, x * y); /* divide by x * y with rounding */
530 do_div(hz, pixclock); /* divide by pixclock with rounding */
535 char *get_format_string(enum data_format format, char *fmt)
541 strcpy(fmt, "ARGB888");
544 strcpy(fmt, "RGB888");
547 strcpy(fmt, "RGB565");
551 strcpy(fmt, "YUV420");
554 strcpy(fmt, "YUV422");
557 strcpy(fmt, "YUV444");
560 strcpy(fmt, "YUV420_A");
563 strcpy(fmt, "YUV422_A");
566 strcpy(fmt, "YUV444_A");
569 strcpy(fmt, "XRGB888");
572 strcpy(fmt, "XBGR888");
575 strcpy(fmt, "ABGR888");
578 strcpy(fmt, "FBDC_RGB_565");
582 strcpy(fmt, "FBDC_ARGB_888");
585 strcpy(fmt, "FBDC_RGBX_888");
588 strcpy(fmt, "invalid");
597 * name: lcdc device name ,lcdc0 , lcdc1
599 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
601 struct rk_fb *inf = NULL;
602 struct rk_lcdc_driver *dev_drv = NULL;
606 inf = platform_get_drvdata(fb_pdev);
610 for (i = 0; i < inf->num_lcdc; i++) {
611 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
612 dev_drv = inf->lcdc_dev_drv[i];
620 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
622 struct rk_fb *inf = NULL;
623 struct rk_lcdc_driver *dev_drv = NULL;
627 inf = platform_get_drvdata(fb_pdev);
631 for (i = 0; i < inf->num_lcdc; i++) {
632 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
633 dev_drv = inf->lcdc_dev_drv[i];
641 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
643 struct rk_fb *inf = NULL;
644 struct rk_lcdc_driver *dev_drv = NULL;
648 inf = platform_get_drvdata(fb_pdev);
652 for (i = 0; i < inf->num_lcdc; i++) {
653 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
654 dev_drv = inf->lcdc_dev_drv[i];
663 * get one frame time of the prmry screen, unit: us
665 u32 rk_fb_get_prmry_screen_ft(void)
667 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
668 u32 htotal, vtotal, pixclock_ps;
669 u64 pix_total, ft_us;
671 if (unlikely(!dev_drv))
674 pixclock_ps = dev_drv->pixclock;
676 vtotal = dev_drv->cur_screen->mode.upper_margin +
677 dev_drv->cur_screen->mode.lower_margin +
678 dev_drv->cur_screen->mode.yres +
679 dev_drv->cur_screen->mode.vsync_len;
680 htotal = dev_drv->cur_screen->mode.left_margin +
681 dev_drv->cur_screen->mode.right_margin +
682 dev_drv->cur_screen->mode.xres +
683 dev_drv->cur_screen->mode.hsync_len;
684 pix_total = htotal * vtotal;
685 ft_us = pix_total * pixclock_ps;
686 do_div(ft_us, 1000000);
687 if (dev_drv->frame_time.ft == 0)
688 dev_drv->frame_time.ft = ft_us;
690 ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
692 ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
694 dev_drv->frame_time.ft = ft_us;
696 return dev_drv->frame_time.ft;
700 * get the vblanking time of the prmry screen, unit: us
702 u32 rk_fb_get_prmry_screen_vbt(void)
704 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
705 u32 htotal, vblank, pixclock_ps;
706 u64 pix_blank, vbt_us;
708 if (unlikely(!dev_drv))
711 pixclock_ps = dev_drv->pixclock;
713 htotal = (dev_drv->cur_screen->mode.left_margin +
714 dev_drv->cur_screen->mode.right_margin +
715 dev_drv->cur_screen->mode.xres +
716 dev_drv->cur_screen->mode.hsync_len);
717 vblank = (dev_drv->cur_screen->mode.upper_margin +
718 dev_drv->cur_screen->mode.lower_margin +
719 dev_drv->cur_screen->mode.vsync_len);
720 pix_blank = htotal * vblank;
721 vbt_us = pix_blank * pixclock_ps;
722 do_div(vbt_us, 1000000);
727 * get the frame done time of the prmry screen, unit: us
729 u64 rk_fb_get_prmry_screen_framedone_t(void)
731 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
733 if (unlikely(!dev_drv))
736 return dev_drv->frame_time.framedone_t;
740 * set prmry screen status
742 int rk_fb_set_prmry_screen_status(int status)
744 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
745 struct rk_screen *screen;
747 if (unlikely(!dev_drv))
750 screen = dev_drv->cur_screen;
752 case SCREEN_PREPARE_DDR_CHANGE:
753 if (screen->type == SCREEN_MIPI ||
754 screen->type == SCREEN_DUAL_MIPI) {
755 if (dev_drv->trsm_ops->dsp_pwr_off)
756 dev_drv->trsm_ops->dsp_pwr_off();
759 case SCREEN_UNPREPARE_DDR_CHANGE:
760 if (screen->type == SCREEN_MIPI ||
761 screen->type == SCREEN_DUAL_MIPI) {
762 if (dev_drv->trsm_ops->dsp_pwr_on)
763 dev_drv->trsm_ops->dsp_pwr_on();
773 u32 rk_fb_get_prmry_screen_pixclock(void)
775 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
777 if (unlikely(!dev_drv))
780 return dev_drv->pixclock;
783 int rk_fb_poll_prmry_screen_vblank(void)
785 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
787 if (likely(dev_drv)) {
788 if (dev_drv->ops->poll_vblank)
789 return dev_drv->ops->poll_vblank(dev_drv);
791 return RK_LF_STATUS_NC;
793 return RK_LF_STATUS_NC;
797 bool rk_fb_poll_wait_frame_complete(void)
799 uint32_t timeout = RK_LF_MAX_TIMEOUT;
800 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
802 if (likely(dev_drv)) {
803 if (dev_drv->ops->set_irq_to_cpu)
804 dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
807 if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
808 if (likely(dev_drv)) {
809 if (dev_drv->ops->set_irq_to_cpu)
810 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
814 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
816 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
818 if (likely(dev_drv)) {
819 if (dev_drv->ops->set_irq_to_cpu)
820 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
826 /* rk_fb_get_sysmmu_device_by_compatible()
827 * @compt: dts device compatible name
828 * return value: success: pointer to the device inside of platform device
831 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
833 struct device_node *dn = NULL;
834 struct platform_device *pd = NULL;
835 struct device *ret = NULL ;
837 dn = of_find_compatible_node(NULL, NULL, compt);
839 pr_info("can't find device node %s \r\n", compt);
843 pd = of_find_device_by_node(dn);
845 pr_info("can't find platform device node %s \r\n", compt);
853 #ifdef CONFIG_IOMMU_API
854 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
856 dev->archdata.iommu = sysmmu;
859 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
864 static int rk_fb_open(struct fb_info *info, int user)
866 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
867 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
870 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
872 /* if this win aready opened ,no need to reopen */
873 if (dev_drv->win[win_id]->state)
876 dev_drv->ops->open(dev_drv, win_id, 1);
880 static int rk_fb_close(struct fb_info *info, int user)
882 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
883 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
884 struct rk_lcdc_win *win = NULL;
885 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
888 win = dev_drv->win[win_id];
891 if (!fb_par->state) {
892 if (fb_par->fb_phy_base > 0)
893 info->fix.smem_start = fb_par->fb_phy_base;
894 info->var.xres = dev_drv->screen0->mode.xres;
895 info->var.yres = dev_drv->screen0->mode.yres;
897 *info->var.grayscale |=
898 * (info->var.xres << 8) + (info->var.yres << 20);
900 info->var.xres_virtual = info->var.xres;
901 info->var.yres_virtual = info->var.yres;
902 #if defined(CONFIG_LOGO_LINUX_BMP)
903 info->var.bits_per_pixel = 32;
905 info->var.bits_per_pixel = 16;
907 info->fix.line_length =
908 (info->var.xres_virtual) *
909 (info->var.bits_per_pixel >> 3);
910 info->var.width = dev_drv->screen0->width;
911 info->var.height = dev_drv->screen0->height;
912 info->var.pixclock = dev_drv->pixclock;
913 info->var.left_margin =
914 dev_drv->screen0->mode.left_margin;
915 info->var.right_margin =
916 dev_drv->screen0->mode.right_margin;
917 info->var.upper_margin =
918 dev_drv->screen0->mode.upper_margin;
919 info->var.lower_margin =
920 dev_drv->screen0->mode.lower_margin;
921 info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
922 info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
929 #if defined(FB_ROATE_BY_KERNEL)
931 #if defined(CONFIG_RK29_IPP)
932 static int get_ipp_format(int fmt)
934 int ipp_fmt = IPP_XRGB_8888;
937 case HAL_PIXEL_FORMAT_RGBX_8888:
938 case HAL_PIXEL_FORMAT_RGBA_8888:
939 case HAL_PIXEL_FORMAT_BGRA_8888:
940 case HAL_PIXEL_FORMAT_RGB_888:
941 ipp_fmt = IPP_XRGB_8888;
943 case HAL_PIXEL_FORMAT_RGB_565:
944 ipp_fmt = IPP_RGB_565;
946 case HAL_PIXEL_FORMAT_YCbCr_422_SP:
947 ipp_fmt = IPP_Y_CBCR_H2V1;
949 case HAL_PIXEL_FORMAT_YCrCb_NV12:
950 ipp_fmt = IPP_Y_CBCR_H2V2;
952 case HAL_PIXEL_FORMAT_YCrCb_444:
953 ipp_fmt = IPP_Y_CBCR_H1V1;
956 ipp_fmt = IPP_IMGTYPE_LIMIT;
963 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
964 int rotation, int fmt)
969 if (fmt == IPP_XRGB_8888) {
972 } else if (fmt == IPP_RGB_565) {
979 align16 -= 1; /*for YUV, 1 */
980 align64 -= 1; /*for YUV, 7 */
982 if (rotation == IPP_ROT_0) {
983 if (fmt > IPP_RGB_565) {
984 if ((*dst_w & 1) != 0)
986 if ((*dst_h & 1) != 0)
988 if (*dst_vir_w < *dst_w)
992 if ((*dst_w & align64) != 0)
993 *dst_w = (*dst_w + align64) & (~align64);
994 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
996 if (*dst_vir_w < *dst_w)
1001 static void fb_copy_by_ipp(struct fb_info *dst_info,
1002 struct fb_info *src_info)
1004 struct rk29_ipp_req ipp_req;
1005 uint32_t rotation = 0;
1006 int dst_w, dst_h, dst_vir_w;
1008 u8 data_format = (dst_info->var.nonstd) & 0xff;
1009 struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
1010 struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
1011 u16 orientation = ext_dev_drv->rotate_mode;
1013 memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
1015 switch (orientation) {
1017 rotation = IPP_ROT_0;
1020 rotation = IPP_ROT_90;
1023 rotation = IPP_ROT_180;
1026 rotation = IPP_ROT_270;
1029 rotation = IPP_ROT_270;
1033 dst_w = dst_info->var.xres;
1034 dst_h = dst_info->var.yres;
1035 dst_vir_w = dst_info->var.xres_virtual;
1036 ipp_fmt = get_ipp_format(data_format);
1037 ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1038 ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1039 ipp_req.src0.w = src_info->var.xres;
1040 ipp_req.src0.h = src_info->var.yres;
1041 ipp_req.src_vir_w = src_info->var.xres_virtual;
1042 ipp_req.src0.fmt = ipp_fmt;
1044 ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1045 ipp_req.dst0.w = dst_w;
1046 ipp_req.dst0.h = dst_h;
1047 ipp_req.dst_vir_w = dst_vir_w;
1048 ipp_req.dst0.fmt = ipp_fmt;
1050 ipp_req.timeout = 100;
1051 ipp_req.flag = rotation;
1052 ipp_blit_sync(&ipp_req);
1057 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1058 static int get_rga_format(int fmt)
1064 rga_fmt = RK_FORMAT_RGBX_8888;
1067 rga_fmt = RK_FORMAT_RGBA_8888;
1070 rga_fmt = RK_FORMAT_BGRA_8888;
1073 rga_fmt = RK_FORMAT_RGB_888;
1076 rga_fmt = RK_FORMAT_RGB_565;
1079 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1082 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1085 rga_fmt = RK_FORMAT_RGBA_8888;
1092 static void rga_win_check(struct rk_lcdc_win *dst_win,
1093 struct rk_lcdc_win *src_win)
1097 format = get_rga_format(src_win->area[0].format);
1098 /* width and height must be even number */
1099 if (format >= RK_FORMAT_YCbCr_422_SP &&
1100 format <= RK_FORMAT_YCrCb_420_P) {
1101 if ((src_win->area[0].xact % 2) != 0)
1102 src_win->area[0].xact += 1;
1103 if ((src_win->area[0].yact % 2) != 0)
1104 src_win->area[0].yact += 1;
1106 if (src_win->area[0].xvir < src_win->area[0].xact)
1107 src_win->area[0].xvir = src_win->area[0].xact;
1108 if (src_win->area[0].yvir < src_win->area[0].yact)
1109 src_win->area[0].yvir = src_win->area[0].yact;
1111 format = get_rga_format(dst_win->area[0].format);
1112 if (format >= RK_FORMAT_YCbCr_422_SP &&
1113 format <= RK_FORMAT_YCrCb_420_P) {
1114 if ((dst_win->area[0].xact % 2) != 0)
1115 dst_win->area[0].xact += 1;
1116 if ((dst_win->area[0].yact % 2) != 0)
1117 dst_win->area[0].yact += 1;
1119 if (dst_win->area[0].xvir < dst_win->area[0].xact)
1120 dst_win->area[0].xvir = dst_win->area[0].xact;
1121 if (dst_win->area[0].yvir < dst_win->area[0].yact)
1122 dst_win->area[0].yvir = dst_win->area[0].yact;
1125 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1126 struct rk_lcdc_win *src_win,
1127 u16 orientation, int iommu_en)
1129 struct rga_req rga_request;
1133 memset(&rga_request, 0, sizeof(rga_request));
1134 rga_win_check(dst_win, src_win);
1136 switch (orientation) {
1138 rga_request.rotate_mode = 1;
1139 rga_request.sina = 65536;
1140 rga_request.cosa = 0;
1141 rga_request.dst.act_w = dst_win->area[0].yact;
1142 rga_request.dst.act_h = dst_win->area[0].xact;
1143 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1144 rga_request.dst.y_offset = 0;
1147 rga_request.rotate_mode = 1;
1148 rga_request.sina = 0;
1149 rga_request.cosa = -65536;
1150 rga_request.dst.act_w = dst_win->area[0].xact;
1151 rga_request.dst.act_h = dst_win->area[0].yact;
1152 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1153 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1156 rga_request.rotate_mode = 1;
1157 rga_request.sina = -65536;
1158 rga_request.cosa = 0;
1159 rga_request.dst.act_w = dst_win->area[0].yact;
1160 rga_request.dst.act_h = dst_win->area[0].xact;
1161 rga_request.dst.x_offset = 0;
1162 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1165 rga_request.rotate_mode = 0;
1166 rga_request.dst.act_w = dst_win->area[0].xact;
1167 rga_request.dst.act_h = dst_win->area[0].yact;
1168 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1169 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1175 * ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1176 * rga_request.src.yrgb_addr = fd;
1178 * ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1179 * rga_request.dst.yrgb_addr = fd;
1181 rga_request.src.yrgb_addr = 0;
1182 rga_request.src.uv_addr =
1183 src_win->area[0].smem_start + src_win->area[0].y_offset;
1184 rga_request.src.v_addr = 0;
1186 rga_request.dst.yrgb_addr = 0;
1187 rga_request.dst.uv_addr =
1188 dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1189 rga_request.dst.v_addr = 0;
1191 rga_request.src.vir_w = src_win->area[0].xvir;
1192 rga_request.src.vir_h = src_win->area[0].yvir;
1193 rga_request.src.format = get_rga_format(src_win->area[0].format);
1194 rga_request.src.act_w = src_win->area[0].xact;
1195 rga_request.src.act_h = src_win->area[0].yact;
1196 rga_request.src.x_offset = 0;
1197 rga_request.src.y_offset = 0;
1199 rga_request.dst.vir_w = dst_win->area[0].xvir;
1200 rga_request.dst.vir_h = dst_win->area[0].yvir;
1201 rga_request.dst.format = get_rga_format(dst_win->area[0].format);
1203 rga_request.clip.xmin = 0;
1204 rga_request.clip.xmax = dst_win->area[0].xact - 1;
1205 rga_request.clip.ymin = 0;
1206 rga_request.clip.ymax = dst_win->area[0].yact - 1;
1207 rga_request.scale_mode = 0;
1210 rga_request.mmu_info.mmu_en = 1;
1211 rga_request.mmu_info.mmu_flag = 1;
1213 rga_request.mmu_info.mmu_en = 0;
1214 rga_request.mmu_info.mmu_flag = 0;
1217 ret = rga_ioctl_kernel(&rga_request);
1221 * This function is used for copying fb by RGA Module
1222 * RGA only support copy RGB to RGB
1223 * RGA2 support copy RGB to RGB and YUV to YUV
1225 static void fb_copy_by_rga(struct fb_info *dst_info,
1226 struct fb_info *src_info)
1228 struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1229 struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1230 struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1231 struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1232 int win_id = 0, ext_win_id;
1233 struct rk_lcdc_win *src_win, *dst_win;
1235 win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1236 src_win = dev_drv->win[win_id];
1239 ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1240 dst_win = ext_dev_drv->win[ext_win_id];
1242 win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1243 ext_dev_drv->iommu_enabled);
1247 static int rk_fb_rotate(struct fb_info *dst_info,
1248 struct fb_info *src_info)
1250 #if defined(CONFIG_RK29_IPP)
1251 fb_copy_by_ipp(dst_info, src_info);
1252 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1253 fb_copy_by_rga(dst_info, src_info);
1260 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1261 struct rk_lcdc_win *src_win,
1262 u16 rotate, int iommu_en)
1264 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1265 win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1274 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1275 struct fb_info *info)
1277 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1278 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1279 struct fb_fix_screeninfo *fix = &info->fix;
1281 struct rk_lcdc_win *win = NULL;
1282 struct rk_screen *screen = dev_drv->cur_screen;
1283 u32 xoffset = var->xoffset;
1284 u32 yoffset = var->yoffset;
1285 u32 xvir = var->xres_virtual;
1288 u32 stride, uv_stride;
1291 u16 uv_x_off, uv_y_off, uv_y_act;
1294 if (dev_drv->suspend_flag)
1296 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1300 win = dev_drv->win[win_id];
1302 pixel_width = rk_fb_pixel_width(win->area[0].format);
1303 vir_width_bit = pixel_width * xvir;
1304 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1305 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1307 switch (win->area[0].format) {
1311 stride = stride_32bit_1;
1312 uv_stride = stride_32bit_1;
1315 fix->line_length = stride;
1316 uv_y_act = win->area[0].yact >> 1;
1318 case YUV420: /* nv12 */
1319 case YUV420_NV21: /* nv21 */
1322 stride = stride_32bit_1;
1323 uv_stride = stride_32bit_1;
1325 uv_y_off = yoffset >> 1;
1326 fix->line_length = stride;
1327 uv_y_act = win->area[0].yact >> 1;
1332 stride = stride_32bit_1;
1333 uv_stride = stride_32bit_2;
1334 uv_x_off = xoffset * 2;
1336 fix->line_length = stride << 2;
1337 uv_y_act = win->area[0].yact;
1340 stride = stride_32bit_1; /* default rgb */
1341 fix->line_length = stride;
1345 /* x y mirror ,jump line */
1346 if ((screen->y_mirror == 1) ||
1347 (win->xmirror && win->ymirror)) {
1348 if (screen->interlace == 1) {
1349 win->area[0].y_offset = yoffset * stride * 2 +
1350 ((win->area[0].yact - 1) * 2 + 1) * stride +
1351 xoffset * pixel_width / 8;
1353 win->area[0].y_offset = yoffset * stride +
1354 (win->area[0].yact - 1) * stride +
1355 xoffset * pixel_width / 8;
1358 if (screen->interlace == 1) {
1359 win->area[0].y_offset =
1360 yoffset * stride * 2 + xoffset * pixel_width / 8;
1362 win->area[0].y_offset =
1363 yoffset * stride + xoffset * pixel_width / 8;
1366 if (is_pic_yuv == 1) {
1367 if ((screen->y_mirror == 1) ||
1368 (win->xmirror && win->ymirror)) {
1369 if (screen->interlace == 1) {
1370 win->area[0].c_offset =
1371 uv_y_off * uv_stride * 2 +
1372 ((uv_y_act - 1) * 2 + 1) * uv_stride +
1373 uv_x_off * pixel_width / 8;
1375 win->area[0].c_offset = uv_y_off * uv_stride +
1376 (uv_y_act - 1) * uv_stride +
1377 uv_x_off * pixel_width / 8;
1380 if (screen->interlace == 1) {
1381 win->area[0].c_offset =
1382 uv_y_off * uv_stride * 2 +
1383 uv_x_off * pixel_width / 8;
1385 win->area[0].c_offset =
1386 uv_y_off * uv_stride +
1387 uv_x_off * pixel_width / 8;
1392 win->area[0].smem_start = fix->smem_start;
1393 win->area[0].cbr_start = fix->mmio_start;
1394 win->area[0].state = 1;
1397 dev_drv->ops->pan_display(dev_drv, win_id);
1399 #ifdef CONFIG_FB_MIRRORING
1400 if (video_data_to_mirroring)
1401 video_data_to_mirroring(info, NULL);
1403 /* if not want the config effect,set reserved[3] bit[0] 1 */
1404 if (likely((var->reserved[3] & 0x1) == 0))
1405 dev_drv->ops->cfg_done(dev_drv);
1406 if (dev_drv->hdmi_switch)
1411 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1415 i = list_empty(&dev_drv->update_regs_list);
1416 j = list_empty(&dev_drv->saved_list);
1417 return i == j ? 0 : 1;
1420 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1422 int err = sync_fence_wait(fence, 1000);
1428 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1431 pr_info("error waiting on fence\n");
1434 static int rk_fb_copy_from_loader(struct fb_info *info)
1436 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1437 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1438 void *dst = info->screen_base;
1443 struct rk_lcdc_win *win;
1445 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1446 win = dev_drv->win[win_id];
1447 size = (win->area[0].xact) * (win->area[0].yact) << 2;
1448 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1449 src = dsp_addr[win_id];
1450 dev_info(info->dev, "copy fb data %d x %d from dst_addr:%08x\n",
1451 win->area[0].xact, win->area[0].yact, src);
1452 for (i = 0; i < size; i += PAGE_SIZE) {
1453 void *page = phys_to_page(i + src);
1454 void *from_virt = kmap(page);
1455 void *to_virt = dst + i;
1457 memcpy(to_virt, from_virt, PAGE_SIZE);
1459 dev_drv->ops->direct_set_addr(dev_drv, win_id,
1460 info->fix.smem_start);
1464 static int g_last_addr[5][4];
1465 static int g_now_config_addr[5][4];
1466 static int g_last_state[5][4];
1467 static int g_now_config_state[5][4];
1472 #define DUMP_CHUNK 256
1473 char buf[PAGE_SIZE];
1475 int rk_fb_sysmmu_fault_handler(struct device *dev,
1476 enum rk_iommu_inttype itype,
1477 unsigned long pgtable_base,
1478 unsigned long fault_addr, unsigned int status)
1480 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1482 static int page_fault_cnt;
1484 if ((page_fault_cnt++) >= 10)
1487 ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1488 fault_addr, pgtable_base, status);
1489 pr_info("last config addr:\n");
1490 for (i = 0; i < 4; i++) {
1491 for (j = 0; j < 4; j++)
1492 pr_info("win[%d],area[%d] = 0x%08x\n",
1493 i, j, g_last_addr[i][j]);
1495 pr_info("last freed buffer:\n");
1496 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1497 pr_info("%d:0x%08x\n", i, freed_addr[i]);
1498 pr_info("last timeout:%d\n", g_last_timeout);
1499 dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1500 for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1501 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1502 char c = buf[i + DUMP_CHUNK];
1504 buf[i + DUMP_CHUNK] = 0;
1505 pr_cont("%s", buf + i);
1506 buf[i + DUMP_CHUNK] = c;
1508 buf[PAGE_SIZE - 1] = 0;
1509 pr_cont("%s", buf + i);
1516 void rk_fb_free_wb_buf(struct rk_lcdc_driver *dev_drv,
1517 struct rk_fb_reg_wb_data *wb_data)
1519 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1521 if (dev_drv->iommu_enabled && wb_data->ion_handle)
1522 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1523 wb_data->ion_handle);
1524 if (wb_data->ion_handle)
1525 ion_free(rk_fb->ion_client, wb_data->ion_handle);
1528 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1529 struct rk_fb_reg_win_data *reg_win_data)
1532 struct rk_fb_reg_area_data *area_data;
1533 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1535 for (i = 0; i < reg_win_data->area_num; i++) {
1536 area_data = ®_win_data->reg_area_data[i];
1537 index_buf = area_data->index_buf;
1538 if (dev_drv->iommu_enabled) {
1539 if (area_data->ion_handle != NULL &&
1540 !IS_YUV_FMT(area_data->data_format))
1541 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1542 area_data->ion_handle);
1543 freed_addr[freed_index++] = area_data->smem_start;
1545 if (area_data->ion_handle != NULL)
1546 ion_free(rk_fb->ion_client, area_data->ion_handle);
1548 if (area_data->acq_fence)
1549 sync_fence_put(area_data->acq_fence);
1553 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1554 struct rk_lcdc_win *win,
1555 struct rk_fb_reg_win_data *reg_win_data)
1558 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1559 struct rk_screen *cur_screen;
1560 struct rk_screen primary_screen;
1562 if (unlikely(!inf) || unlikely(!dev_drv) ||
1563 unlikely(!win) || unlikely(!reg_win_data))
1566 cur_screen = dev_drv->cur_screen;
1567 rk_fb_get_prmry_screen(&primary_screen);
1569 win->area_num = reg_win_data->area_num;
1570 win->id = reg_win_data->win_id;
1571 win->z_order = reg_win_data->z_order;
1573 if (reg_win_data->reg_area_data[0].smem_start > 0) {
1575 win->area_num = reg_win_data->area_num;
1576 win->id = reg_win_data->win_id;
1577 win->z_order = reg_win_data->z_order;
1578 win->area[0].uv_vir_stride =
1579 reg_win_data->reg_area_data[0].uv_vir_stride;
1580 win->area[0].cbr_start =
1581 reg_win_data->reg_area_data[0].cbr_start;
1582 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1583 win->alpha_en = reg_win_data->alpha_en;
1584 win->alpha_mode = reg_win_data->alpha_mode;
1585 win->g_alpha_val = reg_win_data->g_alpha_val;
1587 * reg_win_data mirror_en means that xmirror ymirror all
1590 win->xmirror = reg_win_data->mirror_en ? 1 : 0;
1591 win->ymirror = reg_win_data->mirror_en ? 1 : 0;
1592 win->colorspace = reg_win_data->colorspace;
1593 win->area[0].fbdc_en =
1594 reg_win_data->reg_area_data[0].fbdc_en;
1595 win->area[0].fbdc_cor_en =
1596 reg_win_data->reg_area_data[0].fbdc_cor_en;
1597 win->area[0].fbdc_data_format =
1598 reg_win_data->reg_area_data[0].fbdc_data_format;
1599 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1600 if (reg_win_data->reg_area_data[i].smem_start > 0) {
1601 win->area[i].format =
1602 reg_win_data->reg_area_data[i].data_format;
1603 win->area[i].ion_hdl =
1604 reg_win_data->reg_area_data[i].ion_handle;
1605 win->area[i].smem_start =
1606 reg_win_data->reg_area_data[i].smem_start;
1607 if (inf->disp_mode == DUAL ||
1608 inf->disp_mode == NO_DUAL) {
1610 reg_win_data->reg_area_data[i].xpos;
1612 reg_win_data->reg_area_data[i].ypos;
1613 win->area[i].xsize =
1614 reg_win_data->reg_area_data[i].xsize;
1615 win->area[i].ysize =
1616 reg_win_data->reg_area_data[i].ysize;
1619 reg_win_data->reg_area_data[i].xpos *
1620 cur_screen->mode.xres /
1621 primary_screen.mode.xres;
1623 reg_win_data->reg_area_data[i].ypos *
1624 cur_screen->mode.yres /
1625 primary_screen.mode.yres;
1626 win->area[i].xsize =
1627 reg_win_data->reg_area_data[i].xsize *
1628 cur_screen->mode.xres /
1629 primary_screen.mode.xres;
1630 win->area[i].ysize =
1631 reg_win_data->reg_area_data[i].ysize *
1632 cur_screen->mode.yres /
1633 primary_screen.mode.yres;
1635 /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1636 if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
1637 if (cur_screen->xsize > 0 &&
1638 cur_screen->xsize <= cur_screen->mode.xres) {
1640 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1641 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1642 win->area[i].xsize =
1643 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1645 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1647 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1648 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1649 win->area[i].ysize =
1650 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1655 reg_win_data->reg_area_data[i].xact;
1657 reg_win_data->reg_area_data[i].yact;
1659 reg_win_data->reg_area_data[i].xvir;
1661 reg_win_data->reg_area_data[i].yvir;
1663 reg_win_data->reg_area_data[i].xoff;
1665 reg_win_data->reg_area_data[i].yoff;
1666 win->area[i].y_offset =
1667 reg_win_data->reg_area_data[i].y_offset;
1668 win->area[i].y_vir_stride =
1669 reg_win_data->reg_area_data[i].y_vir_stride;
1670 win->area[i].state = 1;
1671 if (dev_drv->iommu_enabled) {
1672 g_now_config_addr[win->id][i] =
1673 win->area[i].smem_start +
1674 win->area[i].y_offset;
1675 g_now_config_state[win->id][i] = 1;
1678 win->area[i].state = 0;
1679 if (dev_drv->iommu_enabled) {
1680 g_now_config_addr[win->id][i] = 0;
1681 g_now_config_state[win->id][i] = 0;
1688 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1692 struct rk_fb_reg_win_data *win_data = NULL;
1694 for (i = 0; i < regs->win_num; i++) {
1695 if (regs->reg_win_data[i].win_id == win_id) {
1696 win_data = &(regs->reg_win_data[i]);
1704 static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
1705 struct rk_fb_reg_data *regs,
1708 int i, j, wait_for_vsync = false;
1709 unsigned int dsp_addr[5][4];
1712 if (dev_drv->ops->get_dsp_addr)
1713 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1715 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1716 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1717 if ((j > 0) && (dev_drv->area_support[i] == 1))
1719 if (dev_drv->win[i]->area[j].state == 1) {
1721 dev_drv->win[i]->area[j].smem_start +
1722 dev_drv->win[i]->area[j].y_offset;
1723 u32 reg_start = dsp_addr[i][j];
1725 if (unlikely(new_start != reg_start)) {
1726 wait_for_vsync = true;
1727 dev_info(dev_drv->dev,
1728 "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1729 i, new_start, reg_start,
1733 } else if (dev_drv->win[i]->area[j].state == 0) {
1734 if (dev_drv->ops->get_win_state) {
1736 dev_drv->ops->get_win_state(dev_drv, i, j);
1738 wait_for_vsync = true;
1741 pr_err("!!!win[%d]state:%d,error!!!\n",
1742 i, dev_drv->win[i]->state);
1747 return wait_for_vsync;
1750 static int rk_fb_iommu_page_fault_dump(struct rk_lcdc_driver *dev_drv)
1752 int i, j, state, page_fault = 0;
1753 unsigned int dsp_addr[5][4];
1755 if (dev_drv->ops->extern_func) {
1756 dev_drv->ops->extern_func(dev_drv, UNMASK_PAGE_FAULT);
1757 page_fault = dev_drv->ops->extern_func(dev_drv, GET_PAGE_FAULT);
1760 pr_info("last config:\n");
1761 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1762 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1763 if ((j > 0) && (dev_drv->area_support[i] == 1))
1765 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1766 i, j, g_last_state[i][j], g_last_addr[i][j]);
1770 pr_info("last freed buffer:\n");
1771 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1772 pr_info("%d:0x%08x\n", i, freed_addr[i]);
1774 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1775 pr_info("vop now state:\n");
1776 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1777 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1778 if ((j > 0) && (dev_drv->area_support[i] == 1))
1780 state = dev_drv->ops->get_win_state(dev_drv, i, j);
1781 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1782 i, j, state, dsp_addr[i][j]);
1785 pr_info("now config:\n");
1786 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1787 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1788 if ((j > 0) && (dev_drv->area_support[i] == 1))
1790 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1791 i, j, g_now_config_state[i][j],
1792 g_now_config_addr[i][j]);
1795 for (i = 0; i < DUMP_FRAME_NUM; i++)
1796 rk_fb_config_debug(dev_drv, &dev_drv->tmp_win_cfg[i],
1797 &dev_drv->tmp_regs[i], 0);
1800 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1801 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1802 if ((j > 0) && (dev_drv->area_support[i] == 1))
1804 g_last_addr[i][j] = g_now_config_addr[i][j];
1805 g_last_state[i][j] = g_now_config_state[i][j];
1811 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1812 struct rk_fb_reg_data *regs)
1815 struct rk_lcdc_win *win;
1816 ktime_t timestamp = dev_drv->vsync_info.timestamp;
1817 struct rk_fb_reg_win_data *win_data;
1818 bool wait_for_vsync;
1823 if (dev_drv->suspend_flag == 1) {
1825 sw_sync_timeline_inc(dev_drv->timeline, 1);
1827 for (i = 0; i < regs->win_num; i++) {
1828 win_data = ®s->reg_win_data[i];
1829 rk_fb_free_dma_buf(dev_drv, win_data);
1831 if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
1832 rk_fb_free_wb_buf(dev_drv, ®s->reg_wb_data);
1836 /* acq_fence wait */
1837 for (i = 0; i < regs->win_num; i++) {
1838 win_data = ®s->reg_win_data[i];
1839 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1840 if (win_data->reg_area_data[j].acq_fence)
1841 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1845 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1846 win = dev_drv->win[i];
1847 win_data = rk_fb_get_win_data(regs, i);
1849 mutex_lock(&dev_drv->win_config);
1850 rk_fb_update_win(dev_drv, win, win_data);
1852 dev_drv->ops->set_par(dev_drv, i);
1853 dev_drv->ops->pan_display(dev_drv, i);
1854 mutex_unlock(&dev_drv->win_config);
1858 for (j = 0; j < 4; j++)
1859 win->area[j].state = 0;
1860 if (dev_drv->iommu_enabled) {
1861 for (j = 0; j < 4; j++) {
1862 g_now_config_addr[i][j] = 0;
1863 g_now_config_state[i][j] = 0;
1868 dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1870 if (dev_drv->property.feature & SUPPORT_WRITE_BACK) {
1871 memcpy(&dev_drv->wb_data, ®s->reg_wb_data,
1872 sizeof(struct rk_fb_reg_wb_data));
1873 if (dev_drv->ops->set_wb)
1874 dev_drv->ops->set_wb(dev_drv);
1877 if (rk_fb_iommu_debug > 0)
1878 pagefault = rk_fb_iommu_page_fault_dump(dev_drv);
1881 dev_drv->ops->cfg_done(dev_drv);
1883 sw_sync_timeline_inc(dev_drv->timeline, 1);
1886 timestamp = dev_drv->vsync_info.timestamp;
1887 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1888 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1889 msecs_to_jiffies(50));
1891 wait_for_vsync = rk_fb_reg_effect(dev_drv, regs, count);
1892 } while (wait_for_vsync && count--);
1894 sw_sync_timeline_inc(dev_drv->timeline, 1);
1897 if (dev_drv->front_regs) {
1898 if (dev_drv->iommu_enabled) {
1899 if (dev_drv->ops->mmu_en)
1900 dev_drv->ops->mmu_en(dev_drv);
1902 g_last_timeout = timeout;
1905 mutex_lock(&dev_drv->front_lock);
1907 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1908 win_data = &dev_drv->front_regs->reg_win_data[i];
1909 rk_fb_free_dma_buf(dev_drv, win_data);
1911 if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
1912 rk_fb_free_wb_buf(dev_drv,
1913 &dev_drv->front_regs->reg_wb_data);
1914 kfree(dev_drv->front_regs);
1916 mutex_unlock(&dev_drv->front_lock);
1918 if (dev_drv->iommu_enabled)
1919 freed_addr[freed_index] = 0xfefefefe;
1922 mutex_lock(&dev_drv->front_lock);
1924 dev_drv->front_regs = regs;
1926 mutex_unlock(&dev_drv->front_lock);
1928 trace_buffer_dump(&fb_pdev->dev, dev_drv);
1931 static void rk_fb_update_regs_handler(struct kthread_work *work)
1933 struct rk_lcdc_driver *dev_drv =
1934 container_of(work, struct rk_lcdc_driver, update_regs_work);
1935 struct rk_fb_reg_data *data, *next;
1937 mutex_lock(&dev_drv->update_regs_list_lock);
1938 dev_drv->saved_list = dev_drv->update_regs_list;
1939 list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1940 mutex_unlock(&dev_drv->update_regs_list_lock);
1942 list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1943 list_del(&data->list);
1944 rk_fb_update_reg(dev_drv, data);
1947 if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1948 wake_up(&dev_drv->update_regs_wait);
1951 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1952 struct rk_screen *screen)
1954 if (area_par->phy_addr > 0)
1955 pr_err("%s[%d], phy_addr = 0x%x\n",
1956 __func__, __LINE__, area_par->phy_addr);
1957 if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1958 (area_par->xact <= 0) || (area_par->yact <= 0) ||
1959 (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1960 pr_err("check config var fail 0:\n"
1961 "x_offset=%d,xact=%d,xvir=%d\n",
1962 area_par->x_offset, area_par->xact, area_par->xvir);
1966 if ((area_par->xpos >= screen->mode.xres) ||
1967 (area_par->ypos >= screen->mode.yres) ||
1968 ((area_par->xsize <= 0) || (area_par->ysize <= 0))) {
1969 pr_warn("check config var fail 1:\n"
1970 "xpos=%d,xsize=%d,xres=%d\n"
1971 "ypos=%d,ysize=%d,yres=%d\n",
1972 area_par->xpos, area_par->xsize, screen->mode.xres,
1973 area_par->ypos, area_par->ysize, screen->mode.yres);
1979 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
1980 struct rk_fb_win_cfg_data *win_data,
1981 struct rk_fb_reg_data *regs, u32 cmd)
1984 struct rk_fb_win_par *win_par;
1985 struct rk_fb_area_par *area_par;
1986 struct rk_fb_reg_win_data *reg_win_data;
1987 struct rk_fb_reg_area_data *area_data;
1989 rk_fb_dbg(cmd, "-------------frame start-------------\n");
1990 rk_fb_dbg(cmd, "user config:\n");
1991 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1992 win_par = &(win_data->win_par[i]);
1993 if ((win_par->area_par[0].ion_fd <= 0) &&
1994 (win_par->area_par[0].phy_addr <= 0))
1996 rk_fb_dbg(cmd, "win[%d]:z_order=%d,galhpa_v=%d\n",
1997 win_par->win_id, win_par->z_order,
1998 win_par->g_alpha_val);
1999 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2000 area_par = &(win_par->area_par[j]);
2001 if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2002 ((win_par->area_par[j].ion_fd <= 0) &&
2003 (win_par->area_par[j].phy_addr <= 0)))
2005 rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion_fd=%d,phy_add=0x%x,xoff=%d,yoff=%d\n",
2006 j, area_par->data_format, area_par->ion_fd,
2007 area_par->phy_addr, area_par->x_offset,
2008 area_par->y_offset);
2009 rk_fb_dbg(cmd, " xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2010 area_par->xpos, area_par->ypos,
2011 area_par->xsize, area_par->ysize);
2012 rk_fb_dbg(cmd, " xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2013 area_par->xact, area_par->yact,
2014 area_par->xvir, area_par->yvir);
2018 rk_fb_dbg(cmd, "regs data:\n");
2019 rk_fb_dbg(cmd, "win_num=%d,buf_num=%d\n",
2020 regs->win_num, regs->buf_num);
2021 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2022 reg_win_data = &(regs->reg_win_data[i]);
2023 if (reg_win_data->reg_area_data[0].smem_start <= 0)
2025 rk_fb_dbg(cmd, "win[%d]:z_order=%d,area_num=%d,area_buf_num=%d\n",
2026 reg_win_data->win_id, reg_win_data->z_order,
2027 reg_win_data->area_num, reg_win_data->area_buf_num);
2028 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2029 area_data = &(reg_win_data->reg_area_data[j]);
2030 if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2031 (area_data->smem_start <= 0))
2033 rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion=%p,smem_star=0x%lx,cbr_star=0x%lx\n",
2034 j, area_data->data_format, area_data->ion_handle,
2035 area_data->smem_start, area_data->cbr_start);
2036 rk_fb_dbg(cmd, " yoff=0x%x,coff=0x%x,area_data->buff_len=%x\n",
2037 area_data->y_offset, area_data->c_offset, area_data->buff_len);
2038 rk_fb_dbg(cmd, " xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2039 area_data->xpos, area_data->ypos,
2040 area_data->xsize, area_data->ysize);
2041 rk_fb_dbg(cmd, " xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2042 area_data->xact, area_data->yact,
2043 area_data->xvir, area_data->yvir);
2046 rk_fb_dbg(cmd, "-------------frame end---------------\n");
2050 static int rk_fb_config_backup(struct rk_lcdc_driver *dev_drv,
2051 struct rk_fb_win_cfg_data *win_cfg,
2052 struct rk_fb_reg_data *regs)
2056 /*2->1->0: 0 is newest*/
2057 for (i = 0; i < DUMP_FRAME_NUM - 1; i++) {
2058 memcpy(&dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 1 - i],
2059 &dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 2 - i],
2060 sizeof(struct rk_fb_win_cfg_data));
2061 memcpy(&dev_drv->tmp_regs[DUMP_FRAME_NUM - 1 - i],
2062 &dev_drv->tmp_regs[DUMP_FRAME_NUM - 2 - i],
2063 sizeof(struct rk_fb_reg_data));
2066 memcpy(&dev_drv->tmp_win_cfg[0], win_cfg,
2067 sizeof(struct rk_fb_win_cfg_data));
2068 memcpy(&dev_drv->tmp_regs[0], regs,
2069 sizeof(struct rk_fb_reg_data));
2074 static int rk_fb_set_wb_buffer(struct fb_info *info,
2075 struct rk_fb_wb_cfg *wb_cfg,
2076 struct rk_fb_reg_wb_data *wb_data)
2079 ion_phys_addr_t phy_addr;
2082 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2083 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2084 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2086 if ((wb_cfg->phy_addr == 0) && (wb_cfg->ion_fd == 0)) {
2090 if (wb_cfg->phy_addr == 0) {
2091 wb_data->ion_handle =
2092 ion_import_dma_buf(rk_fb->ion_client,
2094 if (IS_ERR(wb_data->ion_handle)) {
2095 pr_info("Could not import handle: %ld\n",
2096 (long)wb_data->ion_handle);
2099 if (dev_drv->iommu_enabled)
2100 ret = ion_map_iommu(dev_drv->dev,
2102 wb_data->ion_handle,
2103 (unsigned long *)&phy_addr,
2104 (unsigned long *)&len);
2106 ret = ion_phys(rk_fb->ion_client, wb_data->ion_handle,
2109 pr_err("ion map to get phy addr failed\n");
2110 ion_free(rk_fb->ion_client, wb_data->ion_handle);
2113 wb_data->smem_start = phy_addr;
2115 wb_data->smem_start = wb_cfg->phy_addr;
2118 fb_data_fmt = rk_fb_data_fmt(wb_cfg->data_format, 0);
2119 if (IS_YUV_FMT(fb_data_fmt))
2120 wb_data->cbr_start = wb_data->smem_start +
2121 wb_cfg->xsize * wb_cfg->ysize;
2122 wb_data->xsize = wb_cfg->xsize;
2123 wb_data->ysize = wb_cfg->ysize;
2129 static int rk_fb_set_win_buffer(struct fb_info *info,
2130 struct rk_fb_win_par *win_par,
2131 struct rk_fb_reg_win_data *reg_win_data)
2133 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2134 struct fb_fix_screeninfo *fix = &info->fix;
2135 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2136 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2137 /*if hdmi size move to hwc,screen should point to cur_screen
2138 *otherwise point to screen0[main screen]*/
2139 struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
2140 struct fb_info *fbi;
2141 int i, ion_fd, acq_fence_fd;
2143 u32 xoffset, yoffset;
2145 struct ion_handle *hdl;
2151 u32 stride, uv_stride;
2154 u16 uv_x_off, uv_y_off, uv_y_act;
2156 u8 ppixel_a = 0, global_a = 0;
2157 ion_phys_addr_t phy_addr;
2161 reg_win_data->reg_area_data[0].smem_start = -1;
2162 reg_win_data->area_num = 0;
2163 fbi = rk_fb->fb[win_par->win_id + dev_drv->fb_index_base];
2164 if (win_par->area_par[0].phy_addr == 0) {
2165 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2166 ion_fd = win_par->area_par[i].ion_fd;
2169 ion_import_dma_buf(rk_fb->ion_client,
2172 pr_info("%s: Could not import handle:"
2173 " %ld\n", __func__, (long)hdl);
2177 reg_win_data->reg_area_data[i].ion_handle = hdl;
2178 if (dev_drv->iommu_enabled)
2179 ret = ion_map_iommu(dev_drv->dev,
2182 (unsigned long *)&phy_addr,
2183 (unsigned long *)&len);
2185 ret = ion_phys(rk_fb->ion_client, hdl,
2188 dev_err(fbi->dev, "ion map to get phy addr failed\n");
2189 ion_free(rk_fb->ion_client, hdl);
2192 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2193 reg_win_data->area_num++;
2194 reg_win_data->area_buf_num++;
2195 reg_win_data->reg_area_data[i].index_buf = 1;
2196 reg_win_data->reg_area_data[i].buff_len = len;
2200 reg_win_data->reg_area_data[0].smem_start =
2201 win_par->area_par[0].phy_addr;
2202 reg_win_data->area_num = 1;
2203 reg_win_data->area_buf_num++;
2204 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2207 if (reg_win_data->area_num == 0) {
2208 for (i = 0; i < RK_WIN_MAX_AREA; i++)
2209 reg_win_data->reg_area_data[i].smem_start = 0;
2210 reg_win_data->z_order = -1;
2211 reg_win_data->win_id = -1;
2215 for (i = 0; i < reg_win_data->area_num; i++) {
2216 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2217 index_buf = reg_win_data->reg_area_data[i].index_buf;
2218 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2219 reg_win_data->reg_area_data[i].acq_fence =
2220 sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2223 if (reg_win_data->reg_area_data[0].smem_start > 0) {
2224 reg_win_data->z_order = win_par->z_order;
2225 reg_win_data->win_id = win_par->win_id;
2227 reg_win_data->z_order = -1;
2228 reg_win_data->win_id = -1;
2231 reg_win_data->mirror_en = win_par->mirror_en;
2232 for (i = 0; i < reg_win_data->area_num; i++) {
2233 u8 data_format = win_par->area_par[i].data_format;
2234 /*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
2235 reg_win_data->colorspace = CSC_FORMAT(data_format);
2236 data_format &= ~CSC_MASK;
2237 fb_data_fmt = rk_fb_data_fmt(data_format, 0);
2238 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
2239 if (IS_FBDC_FMT(fb_data_fmt)) {
2240 reg_win_data->reg_area_data[i].fbdc_en = 1;
2241 reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
2243 reg_win_data->reg_area_data[i].fbdc_en = 0;
2244 reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
2246 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2248 ppixel_a |= ((fb_data_fmt == ARGB888) ||
2249 (fb_data_fmt == FBDC_ARGB_888) ||
2250 (fb_data_fmt == FBDC_ABGR_888) ||
2251 (fb_data_fmt == ABGR888)) ? 1 : 0;
2252 /*act_height should be 2 pix align for interlace output*/
2253 if (win_par->area_par[i].yact % 2 == 1) {
2254 win_par->area_par[i].yact -= 1;
2255 win_par->area_par[i].ysize -= 1;
2258 /* buf offset should be 2 pix align*/
2259 if ((win_par->area_par[i].x_offset % 2 == 1) &&
2260 IS_YUV_FMT(fb_data_fmt)) {
2261 win_par->area_par[i].x_offset += 1;
2262 win_par->area_par[i].xact -= 1;
2265 /* visiable pos in panel */
2266 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2267 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2269 /* realy size in panel */
2270 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2271 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2273 /* realy size in panel */
2274 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2275 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2277 xoffset = win_par->area_par[i].x_offset; /* buf offset */
2278 yoffset = win_par->area_par[i].y_offset;
2279 reg_win_data->reg_area_data[i].xoff = xoffset;
2280 reg_win_data->reg_area_data[i].yoff = yoffset;
2282 xvir = win_par->area_par[i].xvir;
2283 reg_win_data->reg_area_data[i].xvir = xvir;
2284 yvir = win_par->area_par[i].yvir;
2285 reg_win_data->reg_area_data[i].yvir = yvir;
2287 vir_width_bit = pixel_width * xvir;
2288 /* pixel_width = byte_num*8 */
2289 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2290 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2292 stride = stride_32bit_1; /* default rgb */
2293 fix->line_length = stride;
2294 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2296 /* x y mirror ,jump line
2297 * reg_win_data->reg_area_data[i].y_offset =
2298 * yoffset*stride+xoffset*pixel_width/8;
2300 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2301 if (screen->interlace == 1) {
2302 reg_win_data->reg_area_data[i].y_offset =
2303 yoffset * stride * 2 +
2304 ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2305 xoffset * pixel_width / 8;
2307 reg_win_data->reg_area_data[i].y_offset =
2309 (reg_win_data->reg_area_data[i].yact - 1) * stride +
2310 xoffset * pixel_width / 8;
2313 if (screen->interlace == 1) {
2314 reg_win_data->reg_area_data[i].y_offset =
2315 yoffset * stride * 2 +
2316 xoffset * pixel_width / 8;
2318 reg_win_data->reg_area_data[i].y_offset =
2320 xoffset * pixel_width / 8;
2323 if (IS_RGB_FMT(fb_data_fmt) && dev_drv->iommu_enabled) {
2324 buff_len = reg_win_data->reg_area_data[i].y_offset +
2325 reg_win_data->reg_area_data[i].xvir *
2326 reg_win_data->reg_area_data[i].yact *
2328 reg_win_data->reg_area_data[i].xoff*
2330 if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2331 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2333 "=buff_len[0x%x]>>mmu len=0x%x\n",
2335 reg_win_data->reg_area_data[i].xvir,
2336 reg_win_data->reg_area_data[i].yact,
2337 pixel_width, buff_len,
2338 reg_win_data->reg_area_data[i].buff_len);
2342 global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2343 reg_win_data->alpha_en = ppixel_a | global_a;
2344 reg_win_data->g_alpha_val = win_par->g_alpha_val;
2345 reg_win_data->alpha_mode = win_par->alpha_mode;
2347 switch (fb_data_fmt) {
2351 stride = stride_32bit_1;
2352 uv_stride = stride_32bit_1;
2355 fix->line_length = stride;
2356 uv_y_act = win_par->area_par[0].yact >> 1;
2358 case YUV420: /* nv12 */
2359 case YUV420_NV21: /* nv21 */
2362 stride = stride_32bit_1;
2363 uv_stride = stride_32bit_1;
2365 uv_y_off = yoffset >> 1;
2366 fix->line_length = stride;
2367 uv_y_act = win_par->area_par[0].yact >> 1;
2372 stride = stride_32bit_1;
2373 uv_stride = stride_32bit_2;
2374 uv_x_off = xoffset * 2;
2376 fix->line_length = stride << 2;
2377 uv_y_act = win_par->area_par[0].yact;
2382 if (is_pic_yuv == 1) {
2383 reg_win_data->reg_area_data[0].cbr_start =
2384 reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2385 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2386 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2387 if (screen->interlace == 1) {
2388 reg_win_data->reg_area_data[0].c_offset =
2389 uv_y_off * uv_stride * 2 +
2390 ((uv_y_act - 1) * 2 + 1) * uv_stride +
2391 uv_x_off * pixel_width / 8;
2393 reg_win_data->reg_area_data[0].c_offset =
2394 uv_y_off * uv_stride +
2395 (uv_y_act - 1) * uv_stride +
2396 uv_x_off * pixel_width / 8;
2399 if (screen->interlace == 1) {
2400 reg_win_data->reg_area_data[0].c_offset =
2401 uv_y_off * uv_stride * 2 +
2402 uv_x_off * pixel_width / 8;
2404 reg_win_data->reg_area_data[0].c_offset =
2405 uv_y_off * uv_stride +
2406 uv_x_off * pixel_width / 8;
2409 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2410 reg_win_data->reg_area_data[0].c_offset +
2411 reg_win_data->reg_area_data[0].xvir *
2412 reg_win_data->reg_area_data[0].yact *
2414 reg_win_data->reg_area_data[0].smem_start -
2415 reg_win_data->reg_area_data[0].xoff*
2417 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2418 dev_drv->iommu_enabled)
2419 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2421 "=buff_len[0x%x]>>mmu len=0x%x\n",
2423 reg_win_data->reg_area_data[0].xvir,
2424 reg_win_data->reg_area_data[0].yact,
2425 pixel_width, buff_len,
2426 reg_win_data->reg_area_data[0].buff_len);
2429 /* record buffer information for rk_fb_disp_scale to prevent fence
2430 * timeout because rk_fb_disp_scale will call function
2431 * info->fbops->fb_set_par(info);
2432 * delete by hjc for new hdmi overscan framework.
2434 /* info->var.yoffset = yoffset;
2435 * info->var.xoffset = xoffset;
2440 static int rk_fb_set_win_config(struct fb_info *info,
2441 struct rk_fb_win_cfg_data *win_data)
2443 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2444 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2445 struct rk_fb_reg_data *regs;
2447 struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2448 struct sync_fence *retire_fence;
2449 struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2450 struct sync_pt *retire_sync_pt;
2451 char fence_name[20];
2453 int ret = 0, i, j = 0;
2454 int list_is_empty = 0;
2455 struct rk_screen *screen = dev_drv->cur_screen;
2457 mutex_lock(&dev_drv->output_lock);
2459 for (i = 0; i < 4; i++) {
2460 for (j = 0; j < 4; j++) {
2461 if ((win_data->win_par[i].area_par[j].ion_fd > 0) ||
2462 (win_data->win_par[i].area_par[j].phy_addr > 0))
2463 ret += rk_fb_check_config_var(
2464 &win_data->win_par[i].area_par[j],
2468 if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
2469 dev_drv->timeline_max++;
2470 sw_sync_timeline_inc(dev_drv->timeline, 1);
2471 if (dev_drv->suspend_flag)
2472 pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
2473 else if (dev_drv->hdmi_switch)
2474 pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
2476 pr_err("error config ,ignore\n");
2477 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2478 win_data->rel_fence_fd[j] = -1;
2479 win_data->ret_fence_fd = -1;
2483 regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2485 pr_info("could not allocate rk_fb_reg_data\n");
2490 for (i = 0, j = 0; i < dev_drv->lcdc_win_num; i++) {
2491 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2492 if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2493 ®s->reg_win_data[j])) {
2495 pr_info("error:%s[%d]\n", __func__, __LINE__);
2498 if (regs->reg_win_data[j].area_num > 0) {
2501 regs->reg_win_data[j].area_buf_num;
2505 pr_info("error:win_id bigger than lcdc_win_num\n");
2506 pr_info("i=%d,win_id=%d\n", i,
2507 win_data->win_par[i].win_id);
2510 if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
2511 rk_fb_set_wb_buffer(info, &win_data->wb_cfg,
2512 ®s->reg_wb_data);
2513 if (regs->win_num <= 0)
2514 goto err_null_frame;
2516 dev_drv->timeline_max++;
2518 win_data->ret_fence_fd = get_unused_fd_flags(0);
2519 if (win_data->ret_fence_fd < 0) {
2520 pr_err("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2521 win_data->ret_fence_fd = -1;
2525 for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2526 if (i < regs->buf_num) {
2527 sprintf(fence_name, "fence%d", i);
2528 win_data->rel_fence_fd[i] = get_unused_fd_flags(0);
2529 if (win_data->rel_fence_fd[i] < 0) {
2530 pr_info("rel_fence_fd=%d\n",
2531 win_data->rel_fence_fd[i]);
2535 release_sync_pt[i] =
2536 sw_sync_pt_create(dev_drv->timeline,
2537 dev_drv->timeline_max);
2539 sync_fence_create(fence_name, release_sync_pt[i]);
2540 sync_fence_install(release_fence[i],
2541 win_data->rel_fence_fd[i]);
2543 win_data->rel_fence_fd[i] = -1;
2548 sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2549 retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2550 sync_fence_install(retire_fence, win_data->ret_fence_fd);
2552 for (i = 0; i < RK_MAX_BUF_NUM; i++)
2553 win_data->rel_fence_fd[i] = -1;
2555 win_data->ret_fence_fd = -1;
2557 if (dev_drv->wait_fs == 0) {
2558 mutex_lock(&dev_drv->update_regs_list_lock);
2559 list_add_tail(®s->list, &dev_drv->update_regs_list);
2560 mutex_unlock(&dev_drv->update_regs_list_lock);
2561 queue_kthread_work(&dev_drv->update_regs_worker,
2562 &dev_drv->update_regs_work);
2564 mutex_lock(&dev_drv->update_regs_list_lock);
2565 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2566 list_empty(&dev_drv->saved_list);
2567 mutex_unlock(&dev_drv->update_regs_list_lock);
2568 if (!list_is_empty) {
2569 ret = wait_event_timeout(dev_drv->update_regs_wait,
2570 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2571 msecs_to_jiffies(60));
2573 rk_fb_update_reg(dev_drv, regs);
2575 pr_info("%s: wait update_regs_wait timeout\n", __func__);
2576 } else if (ret == 0) {
2577 rk_fb_update_reg(dev_drv, regs);
2580 if (rk_fb_debug_lvl > 0)
2581 rk_fb_config_debug(dev_drv, win_data, regs, rk_fb_debug_lvl);
2582 if (rk_fb_iommu_debug > 0)
2583 rk_fb_config_backup(dev_drv, win_data, regs);
2585 mutex_unlock(&dev_drv->output_lock);
2588 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2589 win_data->rel_fence_fd[j] = -1;
2590 win_data->ret_fence_fd = -1;
2591 pr_info("win num = %d,null frame\n", regs->win_num);
2594 mutex_unlock(&dev_drv->output_lock);
2600 static int cfgdone_distlist[10] = { 0 };
2602 static int cfgdone_index;
2603 static int cfgdone_lasttime;
2605 int rk_get_real_fps(int before)
2607 struct timespec now;
2613 int index = cfgdone_index;
2622 getnstimeofday(&now);
2623 dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2626 for (i = 0; i < 10; i++) {
2629 total += cfgdone_distlist[index];
2631 dist_first = cfgdone_distlist[index];
2632 if (total < (before * 1000)) {
2633 dist_total += cfgdone_distlist[index];
2640 dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2641 dist_total += dist_curr;
2645 fps = (1000000 * dist_count) / dist_total;
2651 EXPORT_SYMBOL(rk_get_real_fps);
2655 static struct ion_handle *ion_hanle[ION_MAX];
2656 static struct ion_handle *ion_hwc[1];
2657 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2660 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2661 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2662 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2663 struct fb_fix_screeninfo *fix = &info->fix;
2664 struct rk_lcdc_win *win;
2665 int enable; /* enable fb:1 enable;0 disable */
2666 int ovl; /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2667 int num_buf; /* buffer_number */
2669 struct rk_fb_win_cfg_data win_data;
2670 unsigned int dsp_addr[4][4];
2673 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2674 void __user *argp = (void __user *)arg;
2676 win = dev_drv->win[win_id];
2678 case RK_FBIOSET_HWC_ADDR:
2682 if (copy_from_user(hwc_phy, argp, 4))
2684 if (!dev_drv->iommu_enabled) {
2685 fix->smem_start = hwc_phy[0];
2688 struct ion_handle *hdl;
2689 ion_phys_addr_t phy_addr;
2692 usr_fd = hwc_phy[0];
2694 fix->smem_start = 0;
2695 fix->mmio_start = 0;
2696 dev_drv->ops->open(dev_drv, win_id, 0);
2700 if (ion_hwc[0] != 0) {
2701 ion_free(rk_fb->ion_client, ion_hwc[0]);
2705 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2707 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2712 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2713 (unsigned long *)&phy_addr,
2714 (unsigned long *)&len);
2716 dev_err(info->dev, "ion map to get hwc phy addr failed");
2717 ion_free(rk_fb->ion_client, hdl);
2720 fix->smem_start = phy_addr;
2725 case RK_FBIOSET_YUV_ADDR:
2729 if (copy_from_user(yuv_phy, argp, 8))
2731 if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2732 fix->smem_start = yuv_phy[0];
2733 fix->mmio_start = yuv_phy[1];
2735 int usr_fd, offset, tmp;
2736 struct ion_handle *hdl;
2737 ion_phys_addr_t phy_addr;
2740 usr_fd = yuv_phy[0];
2741 offset = yuv_phy[1] - yuv_phy[0];
2743 fix->smem_start = 0;
2744 fix->mmio_start = 0;
2748 if (ion_hanle[ION_MAX - 1] != 0) {
2749 /*ion_unmap_kernel(rk_fb->ion_client,
2750 * ion_hanle[ION_MAX - 1]);
2751 *ion_unmap_iommu(dev_drv->dev,
2752 * rk_fb->ion_client,
2753 * ion_hanle[ION_MAX - 1]);
2755 ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2756 ion_hanle[ION_MAX - 1] = 0;
2759 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2761 dev_err(info->dev, "failed to get ion handle:%ld\n",
2766 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2767 (unsigned long *)&phy_addr,
2768 (unsigned long *)&len);
2770 dev_err(info->dev, "ion map to get phy addr failed");
2771 ion_free(rk_fb->ion_client, hdl);
2774 fix->smem_start = phy_addr;
2775 fix->mmio_start = phy_addr + offset;
2776 fix->smem_len = len;
2777 /*info->screen_base =
2778 * ion_map_kernel(rk_fb->ion_client, hdl);
2781 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2782 ion_hanle[tmp] = ion_hanle[tmp - 1];
2787 case RK_FBIOSET_ENABLE:
2788 if (copy_from_user(&enable, argp, sizeof(enable)))
2790 if (enable && fb_par->state)
2794 dev_drv->ops->open(dev_drv, win_id, enable);
2796 case RK_FBIOGET_ENABLE:
2797 enable = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
2798 if (copy_to_user(argp, &enable, sizeof(enable)))
2801 case RK_FBIOSET_OVERLAY_STA:
2802 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2804 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2806 case RK_FBIOGET_OVERLAY_STA:
2807 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2808 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2811 case RK_FBIOPUT_NUM_BUFFERS:
2812 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2814 dev_drv->num_buf = num_buf;
2816 case RK_FBIOSET_VSYNC_ENABLE:
2817 if (copy_from_user(&enable, argp, sizeof(enable)))
2819 dev_drv->vsync_info.active = enable;
2822 case RK_FBIOGET_DSP_ADDR:
2823 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2824 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2827 case RK_FBIOGET_LIST_STA:
2828 list_stat = rk_fb_get_list_stat(dev_drv);
2829 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2833 case RK_FBIOGET_IOMMU_STA:
2834 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2835 sizeof(dev_drv->iommu_enabled)))
2838 #if defined(CONFIG_ION_ROCKCHIP)
2839 case RK_FBIOSET_DMABUF_FD:
2842 struct ion_handle *hdl;
2843 ion_phys_addr_t phy_addr;
2846 if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2849 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2850 ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2851 fix->smem_start = phy_addr;
2854 case RK_FBIOGET_DMABUF_FD:
2858 if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2860 "get dma_buf fd failed,ion handle is err\n");
2861 return PTR_ERR(fb_par->ion_hdl);
2863 fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2867 "ion_share_dma_buf_fd failed\n");
2870 if (copy_to_user(argp, &fd, sizeof(fd)))
2875 case RK_FBIOSET_CLEAR_FB:
2876 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2878 case RK_FBIOSET_CONFIG_DONE:
2881 struct timespec now;
2883 getnstimeofday(&now);
2884 curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2885 cfgdone_distlist[cfgdone_index++] =
2886 curr - cfgdone_lasttime;
2887 cfgdone_lasttime = curr;
2888 if (cfgdone_index >= 10)
2891 if (copy_from_user(&win_data,
2892 (struct rk_fb_win_cfg_data __user *)argp,
2893 sizeof(win_data))) {
2898 dev_drv->wait_fs = win_data.wait_fs;
2899 ret = rk_fb_set_win_config(info, &win_data);
2901 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2902 &win_data, sizeof(win_data))) {
2906 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2908 if (dev_drv->uboot_logo)
2909 dev_drv->uboot_logo = 0;
2913 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2920 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2922 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2923 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2924 struct fb_fix_screeninfo *fix = &info->fix;
2926 #if defined(CONFIG_RK_HDMI)
2927 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2930 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2933 mutex_lock(&dev_drv->switch_screen);
2934 #if defined(CONFIG_RK_HDMI)
2935 if ((rk_fb->disp_mode == ONE_DUAL) &&
2936 (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2937 pr_info("hdmi is connect , not blank lcdc\n");
2941 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2943 mutex_unlock(&dev_drv->switch_screen);
2947 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2949 if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2950 (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2951 ((16 != var->bits_per_pixel) &&
2952 (32 != var->bits_per_pixel) &&
2953 (24 != var->bits_per_pixel))) {
2954 dev_err(info->dev, "%s check var fail 1:\n"
2955 "xres_vir:%d>>yres_vir:%d\n"
2956 "xres:%d>>yres:%d\n"
2957 "bits_per_pixel:%d\n",
2961 var->xres, var->yres, var->bits_per_pixel);
2965 if (((var->xoffset + var->xres) > var->xres_virtual) ||
2966 ((var->yoffset + var->yres) > (var->yres_virtual))) {
2967 dev_err(info->dev, "%s check_var fail 2:\n"
2968 "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2969 "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2974 var->yoffset, var->yres, var->yres_virtual);
2981 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2982 size_t count, loff_t *ppos)
2984 unsigned long p = *ppos;
2987 int c, cnt = 0, err = 0;
2988 unsigned long total_size;
2989 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2990 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2991 struct rk_lcdc_win *win = NULL;
2994 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2998 win = dev_drv->win[win_id];
3000 /* only read the current frame buffer */
3001 if (win->area[0].format == RGB565) {
3002 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
3003 } else if ((win->area[0].format == YUV420) ||
3004 (win->area[0].format == YUV420_NV21)) {
3006 (win->area[0].y_vir_stride * win->area[0].yact * 6);
3008 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
3010 if (p >= total_size)
3013 if (count >= total_size)
3016 if (count + p > total_size)
3017 count = total_size - p;
3019 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3023 src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3026 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3028 fb_memcpy_fromfb(dst, src, c);
3032 if (copy_to_user(buf, buffer, c)) {
3044 return (err) ? err : cnt;
3047 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
3048 size_t count, loff_t *ppos)
3050 unsigned long p = *ppos;
3053 int c, cnt = 0, err = 0;
3054 unsigned long total_size;
3055 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3056 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3057 struct rk_lcdc_win *win = NULL;
3060 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3064 win = dev_drv->win[win_id];
3066 /* write the current frame buffer */
3067 if (win->area[0].format == RGB565)
3068 total_size = win->area[0].xact * win->area[0].yact << 1;
3070 total_size = win->area[0].xact * win->area[0].yact << 2;
3075 if (count > total_size) {
3080 if (count + p > total_size) {
3084 count = total_size - p;
3087 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3091 dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3094 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3097 if (copy_from_user(src, buf, c)) {
3102 fb_memcpy_tofb(dst, src, c);
3113 return (cnt) ? cnt : err;
3116 static int rk_fb_set_par(struct fb_info *info)
3118 struct fb_var_screeninfo *var = &info->var;
3119 struct fb_fix_screeninfo *fix = &info->fix;
3120 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3121 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3122 struct rk_lcdc_win *win = NULL;
3123 struct rk_screen *screen = dev_drv->cur_screen;
3125 u16 xsize = 0, ysize = 0; /* winx display window height/width --->LCDC_WINx_DSP_INFO */
3126 u32 xoffset = var->xoffset; /* offset from virtual to visible */
3127 u32 yoffset = var->yoffset;
3128 u16 xpos = (var->nonstd >> 8) & 0xfff; /*visiable pos in panel */
3129 u16 ypos = (var->nonstd >> 20) & 0xfff;
3130 u32 xvir = var->xres_virtual;
3131 u8 data_format = var->nonstd & 0xff;
3135 u32 stride, uv_stride;
3138 u16 uv_x_off, uv_y_off, uv_y_act;
3140 /*var->pixclock = dev_drv->pixclock;*/
3141 if (dev_drv->suspend_flag)
3143 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3147 win = dev_drv->win[win_id];
3149 /* if the application has specific the hor and ver display size */
3150 if (var->grayscale >> 8) {
3151 xsize = (var->grayscale >> 8) & 0xfff;
3152 ysize = (var->grayscale >> 20) & 0xfff;
3153 if (xsize > screen->mode.xres)
3154 xsize = screen->mode.xres;
3155 if (ysize > screen->mode.yres)
3156 ysize = screen->mode.yres;
3157 } else { /*ohterwise full screen display */
3158 xsize = screen->mode.xres;
3159 ysize = screen->mode.yres;
3162 win->colorspace = CSC_FORMAT(data_format);
3163 data_format &= ~CSC_MASK;
3164 fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
3165 if (IS_FBDC_FMT(fb_data_fmt)) {
3166 win->area[0].fbdc_en = 1;
3167 win->area[0].fbdc_cor_en = 1;
3169 win->area[0].fbdc_en = 0;
3170 win->area[0].fbdc_cor_en = 0;
3172 pixel_width = rk_fb_pixel_width(fb_data_fmt);
3173 vir_width_bit = pixel_width * xvir;
3174 /* pixel_width = byte_num * 8 */
3175 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3176 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3178 switch (fb_data_fmt) {
3182 stride = stride_32bit_1;
3183 uv_stride = stride_32bit_1;
3186 fix->line_length = stride;
3187 uv_y_act = win->area[0].yact >> 1;
3189 case YUV420: /* nv12 */
3190 case YUV420_NV21: /* nv21 */
3193 stride = stride_32bit_1;
3194 uv_stride = stride_32bit_1;
3196 uv_y_off = yoffset >> 1;
3197 fix->line_length = stride;
3198 uv_y_act = win->area[0].yact >> 1;
3203 stride = stride_32bit_1;
3204 uv_stride = stride_32bit_2;
3205 uv_x_off = xoffset * 2;
3207 fix->line_length = stride << 2;
3208 uv_y_act = win->area[0].yact;
3211 stride = stride_32bit_1; /* default rgb */
3212 fix->line_length = stride;
3216 win->area[0].format = fb_data_fmt;
3217 win->area[0].y_vir_stride = stride >> 2;
3218 win->area[0].uv_vir_stride = uv_stride >> 2;
3219 win->area[0].xpos = xpos;
3220 win->area[0].ypos = ypos;
3221 win->area[0].xsize = xsize;
3222 win->area[0].ysize = ysize;
3223 win->area[0].xact = var->xres; /* winx active window height,is a wint of vir */
3224 win->area[0].yact = var->yres;
3225 win->area[0].xvir = var->xres_virtual; /* virtual resolution stride --->LCDC_WINx_VIR */
3226 win->area[0].yvir = var->yres_virtual;
3227 win->area[0].xoff = xoffset;
3228 win->area[0].yoff = yoffset;
3231 win->last_state = 1;
3234 win->alpha_mode = 4; /* AB_SRC_OVER; */
3235 win->alpha_en = ((win->area[0].format == ARGB888) ||
3236 (win->area[0].format == FBDC_ARGB_888) ||
3237 (win->area[0].format == FBDC_ABGR_888) ||
3238 (win->area[0].format == ABGR888)) ? 1 : 0;
3239 win->g_alpha_val = 0;
3241 dev_drv->ops->set_par(dev_drv, win_id);
3246 static inline unsigned int chan_to_field(unsigned int chan,
3247 struct fb_bitfield *bf)
3250 chan >>= 16 - bf->length;
3251 return chan << bf->offset;
3254 static int fb_setcolreg(unsigned regno,
3255 unsigned red, unsigned green, unsigned blue,
3256 unsigned transp, struct fb_info *info)
3260 switch (info->fix.visual) {
3261 case FB_VISUAL_TRUECOLOR:
3262 /* true-colour, use pseudo-palette */
3264 u32 *pal = info->pseudo_palette;
3266 val = chan_to_field(red, &info->var.red);
3267 val |= chan_to_field(green, &info->var.green);
3268 val |= chan_to_field(blue, &info->var.blue);
3273 return -1; /* unknown type */
3279 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3281 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3282 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3283 struct ion_handle *handle = fb_par->ion_hdl;
3284 struct dma_buf *dma_buf = NULL;
3286 if (IS_ERR_OR_NULL(handle)) {
3287 dev_err(info->dev, "failed to get ion handle:%ld\n",
3291 dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3292 if (IS_ERR_OR_NULL(dma_buf)) {
3293 pr_info("get ion share dma buf failed\n");
3297 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3299 return dma_buf_mmap(dma_buf, vma, 0);
3302 static struct fb_ops fb_ops = {
3303 .owner = THIS_MODULE,
3304 .fb_open = rk_fb_open,
3305 .fb_release = rk_fb_close,
3306 .fb_check_var = rk_fb_check_var,
3307 .fb_set_par = rk_fb_set_par,
3308 .fb_blank = rk_fb_blank,
3309 .fb_ioctl = rk_fb_ioctl,
3310 .fb_compat_ioctl = rk_fb_ioctl,
3311 .fb_pan_display = rk_fb_pan_display,
3312 .fb_read = rk_fb_read,
3313 .fb_write = rk_fb_write,
3314 .fb_setcolreg = fb_setcolreg,
3315 .fb_fillrect = cfb_fillrect,
3316 .fb_copyarea = cfb_copyarea,
3317 .fb_imageblit = cfb_imageblit,
3320 static struct fb_var_screeninfo def_var = {
3321 #if defined(CONFIG_LOGO_LINUX_BMP)
3325 .transp = {0, 0, 0},
3326 .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3331 .transp = {0, 0, 0},
3332 .nonstd = HAL_PIXEL_FORMAT_RGB_565, /* (ypos<<20+xpos<<8+format) format */
3334 .grayscale = 0, /* (ysize<<20+xsize<<8) */
3335 .activate = FB_ACTIVATE_NOW,
3337 .vmode = FB_VMODE_NONINTERLACED,
3340 static struct fb_fix_screeninfo def_fix = {
3341 .type = FB_TYPE_PACKED_PIXELS,
3346 .accel = FB_ACCEL_NONE,
3347 .visual = FB_VISUAL_TRUECOLOR,
3351 static int rk_fb_wait_for_vsync_thread(void *data)
3353 struct rk_lcdc_driver *dev_drv = data;
3354 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3355 struct fb_info *fbi = rk_fb->fb[dev_drv->fb_index_base];
3357 while (!kthread_should_stop()) {
3358 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3359 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3360 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3361 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3364 sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3370 static ssize_t rk_fb_vsync_show(struct device *dev,
3371 struct device_attribute *attr, char *buf)
3373 struct fb_info *fbi = dev_get_drvdata(dev);
3374 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3375 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3377 return scnprintf(buf, PAGE_SIZE, "%llu\n",
3378 ktime_to_ns(dev_drv->vsync_info.timestamp));
3381 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3384 * this two function is for other module that in the kernel which
3385 * need show image directly through fb
3386 * fb_id:we have 4 fb here,default we use fb0 for ui display
3388 struct fb_info *rk_get_fb(int fb_id)
3390 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3391 struct fb_info *fb = inf->fb[fb_id];
3394 EXPORT_SYMBOL(rk_get_fb);
3396 void rk_direct_fb_show(struct fb_info *fbi)
3399 rk_fb_pan_display(&fbi->var, fbi);
3401 EXPORT_SYMBOL(rk_direct_fb_show);
3403 int rk_fb_dpi_open(bool open)
3405 struct rk_lcdc_driver *dev_drv = NULL;
3407 dev_drv = rk_get_prmry_lcdc_drv();
3408 if (dev_drv->ops->dpi_open)
3409 dev_drv->ops->dpi_open(dev_drv, open);
3413 int rk_fb_dpi_win_sel(int win_id)
3415 struct rk_lcdc_driver *dev_drv = NULL;
3417 dev_drv = rk_get_prmry_lcdc_drv();
3418 if (dev_drv->ops->dpi_win_sel)
3419 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3423 int rk_fb_dpi_status(void)
3426 struct rk_lcdc_driver *dev_drv = NULL;
3428 dev_drv = rk_get_prmry_lcdc_drv();
3429 if (dev_drv->ops->dpi_status)
3430 ret = dev_drv->ops->dpi_status(dev_drv);
3436 * function: this function will be called by display device, enable/disable lcdc
3437 * @screen: screen timing to be set to lcdc
3438 * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3439 * @lcdc_id: the lcdc id the display device attached ,0 or 1
3441 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3443 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3444 struct fb_info *info = NULL;
3445 struct rk_fb_par *fb_par = NULL;
3446 struct rk_lcdc_driver *dev_drv = NULL;
3447 struct rk_lcdc_win *win;
3450 static bool load_screen;
3454 int ret, list_is_empty = 0;
3456 if (unlikely(!rk_fb) || unlikely(!screen))
3459 /* get lcdc driver */
3460 sprintf(name, "lcdc%d", lcdc_id);
3461 dev_drv = rk_get_lcdc_drv(name);
3463 if (dev_drv == NULL) {
3464 pr_err("%s driver not found!", name);
3467 if (screen->type == SCREEN_HDMI)
3468 pr_info("hdmi %s lcdc%d\n",
3469 enable ? "connect to" : "remove from",
3471 else if (screen->type == SCREEN_TVOUT ||
3472 screen->type == SCREEN_TVOUT_TEST)
3473 pr_info("cvbs %s lcdc%d\n",
3474 enable ? "connect to" : "remove from",
3476 if (enable == 2 /*&& dev_drv->enable*/)
3478 pr_info("switch:en=%d,lcdc_id=%d,screen type=%d,cur type=%d\n",
3479 enable, lcdc_id, screen->type, dev_drv->cur_screen->type);
3481 mutex_lock(&dev_drv->switch_screen);
3482 hdmi_switch_state = 0;
3483 dev_drv->hdmi_switch = 1;
3484 if (!dev_drv->uboot_logo) {
3486 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
3487 list_empty(&dev_drv->saved_list);
3488 if (!list_is_empty) {
3489 ret = wait_event_timeout(dev_drv->update_regs_wait,
3490 list_empty(&dev_drv->update_regs_list) &&
3491 list_empty(&dev_drv->saved_list),
3492 msecs_to_jiffies(60));
3494 pr_info("%s: wait update_regs_wait timeout\n",
3499 envp[0] = "switch screen";
3500 memset(envplcdc, 0, sizeof(envplcdc));
3501 memset(envpfbdev, 0, sizeof(envpfbdev));
3502 sprintf(envplcdc, "SCREEN=%d,ENABLE=%d", screen->type, enable);
3503 sprintf(envpfbdev, "FBDEV=%d", dev_drv->fb_index_base);
3505 envp[2] = envpfbdev;
3508 if ((rk_fb->disp_mode == ONE_DUAL) ||
3509 (rk_fb->disp_mode == NO_DUAL)) {
3510 if ((dev_drv->ops->backlight_close) &&
3511 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3512 dev_drv->ops->backlight_close(dev_drv, 1);
3513 if (!dev_drv->uboot_logo || load_screen ||
3514 (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3515 if (dev_drv->ops->dsp_black)
3516 dev_drv->ops->dsp_black(dev_drv, 0);
3518 if ((dev_drv->ops->set_screen_scaler) &&
3519 (rk_fb->disp_mode == ONE_DUAL))
3520 dev_drv->ops->set_screen_scaler(dev_drv,
3521 dev_drv->screen0, 0);
3524 /* if screen type is different, we do not disable lcdc. */
3525 if (dev_drv->cur_screen->type != screen->type) {
3526 dev_drv->hdmi_switch = 0;
3527 mutex_unlock(&dev_drv->switch_screen);
3531 /* if used one lcdc to dual disp, no need to close win */
3532 if ((rk_fb->disp_mode == ONE_DUAL) ||
3533 ((rk_fb->disp_mode == NO_DUAL) &&
3534 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))) {
3535 dev_drv->cur_screen = dev_drv->screen0;
3536 dev_drv->ops->load_screen(dev_drv, 1);
3537 /* force modify dsp size */
3538 info = rk_fb->fb[dev_drv->fb_index_base];
3539 info->var.grayscale &= 0xff;
3540 info->var.grayscale |=
3541 (dev_drv->cur_screen->mode.xres << 8) +
3542 (dev_drv->cur_screen->mode.yres << 20);
3543 mutex_lock(&dev_drv->win_config);
3544 info->var.xoffset = 0;
3545 info->var.yoffset = 0;
3546 info->fbops->fb_set_par(info);
3547 info->fbops->fb_pan_display(&info->var, info);
3548 mutex_unlock(&dev_drv->win_config);
3551 * if currently is loader display, black until new
3554 if (dev_drv->uboot_logo) {
3555 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3556 if (dev_drv->win[i] && dev_drv->win[i]->state &&
3557 dev_drv->ops->win_direct_en)
3558 dev_drv->ops->win_direct_en(dev_drv, i, 0);
3562 /*if (dev_drv->ops->dsp_black)
3563 * dev_drv->ops->dsp_black(dev_drv, 0);
3565 if ((dev_drv->ops->backlight_close) &&
3566 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3567 dev_drv->ops->backlight_close(dev_drv, 0);
3568 } else if (rk_fb->num_lcdc > 1) {
3569 /* If there is more than one lcdc device, we disable
3570 * the layer which attached to this device
3572 dev_drv->suspend_flag = 1;
3573 flush_kthread_worker(&dev_drv->update_regs_worker);
3574 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3575 if (dev_drv->win[i] && dev_drv->win[i]->state)
3576 dev_drv->ops->open(dev_drv, i, 0);
3579 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3581 hdmi_switch_state = 0;
3582 dev_drv->hdmi_switch = 0;
3583 mutex_unlock(&dev_drv->switch_screen);
3586 if (dev_drv->uboot_logo) {
3587 if (dev_drv->cur_screen->mode.xres !=
3588 screen->mode.xres ||
3589 dev_drv->cur_screen->mode.yres !=
3593 if (dev_drv->screen1)
3594 dev_drv->cur_screen = dev_drv->screen1;
3596 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3597 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3598 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3599 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3600 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3602 if (!dev_drv->uboot_logo || load_screen ||
3603 (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3604 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3605 info = rk_fb->fb[dev_drv->fb_index_base + i];
3606 fb_par = (struct rk_fb_par *)info->par;
3607 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3608 win = dev_drv->win[win_id];
3609 if (win && fb_par->state) {
3610 dev_drv->ops->load_screen(dev_drv, 1);
3612 info->var.activate |= FB_ACTIVATE_FORCE;
3613 if (rk_fb->disp_mode == ONE_DUAL) {
3614 info->var.grayscale &= 0xff;
3615 info->var.grayscale |=
3616 (dev_drv->cur_screen->xsize << 8) +
3617 (dev_drv->cur_screen->ysize << 20);
3619 if (dev_drv->uboot_logo && win->state) {
3620 if (win->area[0].xpos ||
3621 win->area[0].ypos) {
3623 (screen->mode.xres -
3624 win->area[0].xsize) / 2;
3626 (screen->mode.yres -
3627 win->area[0].ysize) / 2;
3629 win->area[0].xsize =
3631 win->area[0].ysize =
3634 dev_drv->ops->set_par(dev_drv, i);
3635 dev_drv->ops->cfg_done(dev_drv);
3636 } else if (!dev_drv->win[win_id]->state) {
3637 dev_drv->ops->open(dev_drv, win_id, 1);
3638 dev_drv->suspend_flag = 0;
3639 mutex_lock(&dev_drv->win_config);
3640 info->var.xoffset = 0;
3641 info->var.yoffset = 0;
3642 info->fbops->fb_set_par(info);
3643 info->fbops->fb_pan_display(&info->var,
3645 mutex_unlock(&dev_drv->win_config);
3650 dev_drv->ops->load_screen(dev_drv, 0);
3652 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3654 hdmi_switch_state = 1;
3656 dev_drv->hdmi_switch = 0;
3657 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3658 if ((dev_drv->ops->set_screen_scaler) &&
3659 (rk_fb->disp_mode == ONE_DUAL))
3660 dev_drv->ops->set_screen_scaler(dev_drv,
3661 dev_drv->screen0, 1);
3662 /*if (dev_drv->ops->dsp_black)
3663 * dev_drv->ops->dsp_black(dev_drv, 0);*/
3664 if ((dev_drv->ops->backlight_close) &&
3665 (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3666 (rk_fb->disp_mode == ONE_DUAL))
3667 dev_drv->ops->backlight_close(dev_drv, 0);
3669 mutex_unlock(&dev_drv->switch_screen);
3674 * function:this function current only called by hdmi for
3676 * scale_x: scale rate of x resolution
3677 * scale_y: scale rate of y resolution
3678 * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3680 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3682 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3683 struct fb_info *info = NULL;
3684 struct fb_info *pmy_info = NULL;
3685 struct fb_var_screeninfo *var = NULL;
3686 struct rk_lcdc_driver *dev_drv = NULL;
3687 u16 screen_x, screen_y;
3690 struct rk_screen primary_screen;
3692 rk_fb_get_prmry_screen(&primary_screen);
3693 if (primary_screen.type == SCREEN_HDMI)
3696 pr_err("should not be here--%s\n", __func__);
3699 sprintf(name, "lcdc%d", lcdc_id);
3701 if (inf->disp_mode == DUAL) {
3702 dev_drv = rk_get_lcdc_drv(name);
3704 pr_err("%s driver not found!", name);
3708 dev_drv = inf->lcdc_dev_drv[0];
3711 if (inf->num_lcdc == 1) {
3713 } else if (inf->num_lcdc == 2) {
3714 info = inf->fb[dev_drv->lcdc_win_num];
3715 pmy_info = inf->fb[0];
3719 screen_x = dev_drv->cur_screen->mode.xres;
3720 screen_y = dev_drv->cur_screen->mode.yres;
3722 if (inf->disp_mode != DUAL && dev_drv->screen1) {
3723 dev_drv->cur_screen->xpos =
3724 (screen_x - screen_x * scale_x / 100) >> 1;
3725 dev_drv->cur_screen->ypos =
3726 (screen_y - screen_y * scale_y / 100) >> 1;
3727 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3728 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3730 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3731 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3732 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3733 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3734 if (inf->disp_mode == ONE_DUAL) {
3735 var->nonstd &= 0xff;
3736 var->nonstd |= (xpos << 8) + (ypos << 20);
3737 var->grayscale &= 0xff;
3739 (dev_drv->cur_screen->xsize << 8) +
3740 (dev_drv->cur_screen->ysize << 20);
3744 mutex_lock(&dev_drv->win_config);
3745 info->fbops->fb_set_par(info);
3746 dev_drv->ops->cfg_done(dev_drv);
3747 mutex_unlock(&dev_drv->win_config);
3752 #if defined(CONFIG_ION_ROCKCHIP)
3753 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3754 struct rk_lcdc_win *win,
3755 unsigned long fb_mem_size)
3757 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3758 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3759 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3760 struct ion_handle *handle;
3761 ion_phys_addr_t phy_addr;
3765 if (dev_drv->iommu_enabled)
3766 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3767 ION_HEAP_SYSTEM_MASK, 0);
3769 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3770 ION_HEAP_TYPE_DMA_MASK, 0);
3772 if (IS_ERR(handle)) {
3773 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3778 fb_par->ion_hdl = handle;
3779 win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3780 if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3781 pr_info("ion_share_dma_buf() failed\n");
3782 goto err_share_dma_buf;
3784 win->area[0].ion_hdl = handle;
3785 if (dev_drv->prop == PRMRY)
3786 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3787 if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3788 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3789 (unsigned long *)&phy_addr,
3790 (unsigned long *)&len);
3792 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3794 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3795 goto err_share_dma_buf;
3797 fbi->fix.smem_start = phy_addr;
3798 fbi->fix.smem_len = len;
3799 pr_info("alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3803 ion_free(rk_fb->ion_client, handle);
3808 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3810 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3811 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3812 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3813 struct rk_lcdc_win *win = NULL;
3816 unsigned long fb_mem_size;
3817 #if !defined(CONFIG_ION_ROCKCHIP)
3818 dma_addr_t fb_mem_phys;
3821 ion_phys_addr_t phy_addr;
3824 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3828 win = dev_drv->win[win_id];
3830 if (!strcmp(fbi->fix.id, "fb0")) {
3831 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3832 #if defined(CONFIG_ION_ROCKCHIP)
3833 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3836 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3837 &fb_mem_phys, GFP_KERNEL);
3839 pr_err("%s: Failed to allocate framebuffer\n",
3843 fbi->fix.smem_len = fb_mem_size;
3844 fbi->fix.smem_start = fb_mem_phys;
3845 fbi->screen_base = fb_mem_virt;
3847 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3849 if (dev_drv->prop == EXTEND && dev_drv->iommu_enabled) {
3850 struct rk_lcdc_driver *dev_drv_prmry;
3853 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3854 #if defined(CONFIG_ION_ROCKCHIP)
3855 dev_drv_prmry = rk_get_prmry_lcdc_drv();
3856 if (dev_drv_prmry == NULL)
3859 dev_drv_prmry->ops->fb_get_win_id(dev_drv_prmry,
3861 if (win_id_prmry < 0)
3865 dev_drv_prmry->win[win_id_prmry]->area[0].ion_hdl;
3867 ion_map_kernel(rk_fb->ion_client,
3869 dev_drv->win[win_id]->area[0].ion_hdl =
3871 if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3872 ret = ion_map_iommu(dev_drv->dev,
3875 (unsigned long *)&phy_addr,
3876 (unsigned long *)&len);
3878 ret = ion_phys(rk_fb->ion_client,
3882 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3885 fbi->fix.smem_start = phy_addr;
3886 fbi->fix.smem_len = len;
3888 fb_mem_virt = dma_alloc_writecombine(fbi->dev,
3893 pr_err("%s: Failed to allocate framebuffer\n",
3897 fbi->fix.smem_len = fb_mem_size;
3898 fbi->fix.smem_start = fb_mem_phys;
3899 fbi->screen_base = fb_mem_virt;
3902 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3903 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3904 fbi->screen_base = rk_fb->fb[0]->screen_base;
3908 fbi->screen_size = fbi->fix.smem_len;
3909 fb_par->fb_phy_base = fbi->fix.smem_start;
3910 fb_par->fb_virt_base = fbi->screen_base;
3911 fb_par->fb_size = fbi->fix.smem_len;
3913 pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3914 fbi->fix.smem_start, fbi->screen_base,
3920 static int rk_release_fb_buffer(struct fb_info *fbi)
3922 /* buffer for fb1 and fb3 are alloc by android */
3923 if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3925 iounmap(fbi->screen_base);
3926 release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3931 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3932 struct rk_lcdc_win *def_win)
3935 int lcdc_win_num = dev_drv->lcdc_win_num;
3937 for (i = 0; i < lcdc_win_num; i++) {
3938 struct rk_lcdc_win *win = NULL;
3940 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3942 dev_err(dev_drv->dev, "kzmalloc for win fail!");
3946 strcpy(win->name, def_win[i].name);
3947 win->id = def_win[i].id;
3948 win->support_3d = def_win[i].support_3d;
3949 dev_drv->win[i] = win;
3955 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3956 struct rk_lcdc_win *def_win, int index)
3958 struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3959 struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3960 sizeof(struct rk_screen),
3965 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3970 screen->screen_id = 0;
3971 screen->lcdc_id = dev_drv->id;
3972 screen->overscan.left = 100;
3973 screen->overscan.top = 100;
3974 screen->overscan.right = 100;
3975 screen->overscan.bottom = 100;
3977 screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3978 screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3980 dev_drv->screen0 = screen;
3981 dev_drv->cur_screen = screen;
3982 /* devie use one lcdc + rk61x scaler for dual display */
3983 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3984 struct rk_screen *screen1 =
3985 devm_kzalloc(dev_drv->dev,
3986 sizeof(struct rk_screen),
3989 dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3993 screen1->screen_id = 1;
3994 screen1->lcdc_id = 1;
3995 dev_drv->screen1 = screen1;
3997 sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3998 init_lcdc_win(dev_drv, def_win);
3999 init_completion(&dev_drv->frame_done);
4000 spin_lock_init(&dev_drv->cpl_lock);
4001 mutex_init(&dev_drv->fb_win_id_mutex);
4002 mutex_init(&dev_drv->win_config);
4003 mutex_init(&dev_drv->front_lock);
4004 mutex_init(&dev_drv->switch_screen);
4005 dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
4006 dev_drv->first_frame = 1;
4007 dev_drv->overscan.left = 100;
4008 dev_drv->overscan.top = 100;
4009 dev_drv->overscan.right = 100;
4010 dev_drv->overscan.bottom = 100;
4011 for (i = 0; i < RK30_MAX_LAYER_SUPPORT; i++)
4012 dev_drv->area_support[i] = 1;
4013 if (dev_drv->ops->area_support_num)
4014 dev_drv->ops->area_support_num(dev_drv, dev_drv->area_support);
4015 rk_disp_pwr_ctr_parse_dt(dev_drv);
4016 if (dev_drv->prop == PRMRY) {
4017 rk_fb_set_prmry_screen(screen);
4018 rk_fb_get_prmry_screen(screen);
4020 dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
4021 if (dev_drv->prop != PRMRY)
4022 rk_fb_get_extern_screen(screen);
4023 dev_drv->output_color = screen->color_mode;
4028 #ifdef CONFIG_LOGO_LINUX_BMP
4029 static struct linux_logo *bmp_logo;
4030 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
4032 bmp_logo = fb_find_logo(24);
4033 if (bmp_logo == NULL) {
4034 pr_info("%s error\n", __func__);
4040 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
4042 unsigned char *src = bmp_logo->data;
4043 unsigned char *dst = info->screen_base;
4045 unsigned int needwidth = (*(src - 24) << 8) | (*(src - 23));
4046 unsigned int needheight = (*(src - 22) << 8) | (*(src - 21));
4048 for (i = 0; i < needheight; i++)
4049 memcpy(dst + info->var.xres * i * 4,
4050 src + bmp_logo->width * i * 4, needwidth * 4);
4055 * check if the primary lcdc has registered,
4056 * the primary lcdc mas register first
4058 bool is_prmry_rk_lcdc_registered(void)
4060 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4062 if (rk_fb->lcdc_dev_drv[0])
4068 __weak phys_addr_t uboot_logo_base;
4069 __weak phys_addr_t uboot_logo_size;
4070 __weak phys_addr_t uboot_logo_offset;
4072 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
4073 struct rk_lcdc_win *win, int id)
4075 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4076 struct fb_info *fbi;
4077 struct rk_fb_par *fb_par = NULL;
4078 int i = 0, ret = 0, index = 0;
4079 unsigned long flags;
4081 if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
4084 for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
4085 if (!rk_fb->lcdc_dev_drv[i]) {
4086 rk_fb->lcdc_dev_drv[i] = dev_drv;
4087 rk_fb->lcdc_dev_drv[i]->id = id;
4094 init_lcdc_device_driver(rk_fb, win, index);
4095 dev_drv->fb_index_base = rk_fb->num_fb;
4096 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
4097 fbi = framebuffer_alloc(0, &fb_pdev->dev);
4099 dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
4102 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
4105 dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
4109 fb_par->id = rk_fb->num_fb;
4110 fb_par->lcdc_drv = dev_drv;
4111 fbi->par = (void *)fb_par;
4114 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
4115 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
4116 fbi->var.grayscale |=
4117 (fbi->var.xres << 8) + (fbi->var.yres << 20);
4118 #if defined(CONFIG_LOGO_LINUX_BMP)
4119 fbi->var.bits_per_pixel = 32;
4121 fbi->var.bits_per_pixel = 16;
4123 fbi->fix.line_length =
4124 (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
4125 fbi->var.width = dev_drv->cur_screen->width;
4126 fbi->var.height = dev_drv->cur_screen->height;
4127 if (dev_drv->iommu_enabled)
4128 fb_ops.fb_mmap = rk_fb_mmap;
4129 fbi->fbops = &fb_ops;
4130 fbi->flags = FBINFO_FLAG_DEFAULT;
4131 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
4132 ret = register_framebuffer(fbi);
4134 dev_err(&fb_pdev->dev,
4135 "%s fb%d register_framebuffer fail!\n",
4136 __func__, rk_fb->num_fb);
4139 rkfb_create_sysfs(fbi);
4140 rk_fb->fb[rk_fb->num_fb] = fbi;
4141 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
4146 init_waitqueue_head(&dev_drv->vsync_info.wait);
4147 init_waitqueue_head(&dev_drv->update_regs_wait);
4148 ret = device_create_file(fbi->dev, &dev_attr_vsync);
4151 "failed to create vsync file\n");
4152 dev_drv->vsync_info.thread =
4153 kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
4155 if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
4157 "failed to run vsync thread\n");
4158 dev_drv->vsync_info.thread = NULL;
4160 dev_drv->vsync_info.active = 1;
4162 mutex_init(&dev_drv->output_lock);
4164 INIT_LIST_HEAD(&dev_drv->update_regs_list);
4165 mutex_init(&dev_drv->update_regs_list_lock);
4166 init_kthread_worker(&dev_drv->update_regs_worker);
4168 dev_drv->update_regs_thread =
4169 kthread_run(kthread_worker_fn,
4170 &dev_drv->update_regs_worker, "rk-fb");
4171 if (IS_ERR(dev_drv->update_regs_thread)) {
4172 int err = PTR_ERR(dev_drv->update_regs_thread);
4174 dev_drv->update_regs_thread = NULL;
4175 pr_info("failed to run update_regs thread\n");
4178 init_kthread_work(&dev_drv->update_regs_work,
4179 rk_fb_update_regs_handler);
4182 sw_sync_timeline_create("fb-timeline");
4183 dev_drv->timeline_max = 1;
4187 /* show logo for primary display device */
4188 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
4189 if (dev_drv->prop == PRMRY) {
4193 struct fb_info *main_fbi = rk_fb->fb[0];
4195 main_fbi->fbops->fb_open(main_fbi, 1);
4196 main_fbi->var.pixclock = dev_drv->pixclock;
4197 if (dev_drv->iommu_enabled) {
4198 if (dev_drv->mmu_dev)
4199 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4200 rk_fb_sysmmu_fault_handler);
4203 rk_fb_alloc_buffer(main_fbi); /* only alloc memory for main fb */
4204 dev_drv->uboot_logo = support_uboot_display();
4206 if (dev_drv->uboot_logo &&
4207 uboot_logo_offset && uboot_logo_base) {
4208 int width, height, bits, xvir;
4209 phys_addr_t start = uboot_logo_base + uboot_logo_offset;
4210 unsigned int size = uboot_logo_size - uboot_logo_offset;
4211 unsigned int nr_pages;
4213 struct page **pages;
4217 if (dev_drv->ops->get_dspbuf_info)
4218 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4219 &yact, &format, &dsp_addr, &ymirror);
4220 nr_pages = size >> PAGE_SHIFT;
4221 pages = kzalloc(sizeof(struct page) * nr_pages,
4223 while (i < nr_pages) {
4224 pages[i] = phys_to_page(start);
4228 vaddr = vmap(pages, nr_pages, VM_MAP,
4229 pgprot_writecombine(PAGE_KERNEL));
4231 pr_err("failed to vmap phy addr 0x%lx\n",
4232 (long)(uboot_logo_base +
4233 uboot_logo_offset));
4237 if (bmpdecoder(vaddr, main_fbi->screen_base, &width,
4245 if (dev_drv->uboot_logo &&
4246 (width != xact || height != yact)) {
4247 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
4248 xact, yact, width, height);
4251 xvir = ALIGN(width * bits, 1 << 5) >> 5;
4253 local_irq_save(flags);
4254 if (dev_drv->ops->wait_frame_start)
4255 dev_drv->ops->wait_frame_start(dev_drv, 0);
4256 if (dev_drv->ops->post_dspbuf) {
4257 dev_drv->ops->post_dspbuf(dev_drv,
4258 main_fbi->fix.smem_start,
4259 rk_fb_data_fmt(0, bits),
4260 width, height, xvir,
4263 if (dev_drv->iommu_enabled) {
4264 rk_fb_poll_wait_frame_complete();
4265 if (dev_drv->ops->mmu_en)
4266 dev_drv->ops->mmu_en(dev_drv);
4269 local_irq_restore(flags);
4271 } else if (dev_drv->uboot_logo && uboot_logo_base) {
4272 u32 start = uboot_logo_base;
4273 int logo_len, i = 0;
4275 unsigned int nr_pages;
4276 struct page **pages;
4278 int align = 0, xvir;
4280 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4284 logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
4285 if (logo_len > uboot_logo_size ||
4286 logo_len > main_fbi->fix.smem_len) {
4287 pr_err("logo size > uboot reserve buffer size\n");
4293 align = start % PAGE_SIZE;
4295 nr_pages = PAGE_ALIGN(logo_len + align) >> PAGE_SHIFT;
4296 pages = kzalloc(sizeof(struct page) * nr_pages,
4298 while (i < nr_pages) {
4299 pages[i] = phys_to_page(start);
4303 vaddr = vmap(pages, nr_pages, VM_MAP,
4304 pgprot_writecombine(PAGE_KERNEL));
4306 pr_err("failed to vmap phy addr 0x%x\n",
4311 memcpy(main_fbi->screen_base, vaddr + align, logo_len);
4315 xvir = ALIGN(xact * rk_fb_pixel_width(format),
4317 local_irq_save(flags);
4318 if (dev_drv->ops->wait_frame_start)
4319 dev_drv->ops->wait_frame_start(dev_drv, 0);
4320 dev_drv->ops->post_dspbuf(dev_drv,
4321 main_fbi->fix.smem_start +
4322 (y_mirror ? logo_len : 0),
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);
4335 if (dev_drv->iommu_enabled) {
4336 if (dev_drv->ops->mmu_en)
4337 dev_drv->ops->mmu_en(dev_drv);
4341 #if defined(CONFIG_LOGO)
4342 main_fbi->fbops->fb_set_par(main_fbi);
4343 #if defined(CONFIG_LOGO_LINUX_BMP)
4344 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
4345 fb_set_cmap(&main_fbi->cmap, main_fbi);
4346 fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
4349 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
4350 fb_set_cmap(&main_fbi->cmap, main_fbi);
4351 fb_show_logo(main_fbi, FB_ROTATE_UR);
4354 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
4357 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
4359 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
4360 extend_fbi->fbops->fb_open(extend_fbi, 1);
4361 if (dev_drv->iommu_enabled) {
4362 if (dev_drv->mmu_dev)
4363 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4364 rk_fb_sysmmu_fault_handler);
4366 rk_fb_alloc_buffer(extend_fbi);
4372 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
4374 struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
4375 struct fb_info *fbi;
4376 int fb_index_base = dev_drv->fb_index_base;
4377 int fb_num = dev_drv->lcdc_win_num;
4380 if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4381 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4382 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4385 for (i = 0; i < fb_num; i++)
4386 kfree(dev_drv->win[i]);
4388 for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4389 fbi = fb_inf->fb[i];
4390 unregister_framebuffer(fbi);
4391 /* rk_release_fb_buffer(fbi); */
4392 framebuffer_release(fbi);
4394 fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4400 static int rk_fb_probe(struct platform_device *pdev)
4402 struct rk_fb *rk_fb = NULL;
4403 struct device_node *np = pdev->dev.of_node;
4407 dev_err(&pdev->dev, "Missing device tree node.\n");
4411 rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4413 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4416 platform_set_drvdata(pdev, rk_fb);
4418 if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4419 rk_fb->disp_mode = mode;
4422 dev_err(&pdev->dev, "no disp-mode node found!");
4426 if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
4427 rk_fb->disp_policy = mode;
4428 pr_info("fb disp policy is %s\n",
4429 rk_fb->disp_policy ? "box" : "sdk");
4432 if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4433 pr_info("uboot-logo-on:%d\n", uboot_logo_on);
4435 dev_set_name(&pdev->dev, "rockchip-fb");
4436 #if defined(CONFIG_ION_ROCKCHIP)
4437 rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4438 if (IS_ERR(rk_fb->ion_client)) {
4439 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4440 return PTR_ERR(rk_fb->ion_client);
4442 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4447 dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4451 static int rk_fb_remove(struct platform_device *pdev)
4453 platform_set_drvdata(pdev, NULL);
4457 static void rk_fb_shutdown(struct platform_device *pdev)
4459 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4462 for (i = 0; i < rk_fb->num_lcdc; i++) {
4463 if (!rk_fb->lcdc_dev_drv[i])
4465 sw_sync_timeline_inc(rk_fb->lcdc_dev_drv[i]->timeline, 1);
4469 static const struct of_device_id rkfb_dt_ids[] = {
4470 {.compatible = "rockchip,rk-fb",},
4474 static struct platform_driver rk_fb_driver = {
4475 .probe = rk_fb_probe,
4476 .remove = rk_fb_remove,
4479 .owner = THIS_MODULE,
4480 .of_match_table = of_match_ptr(rkfb_dt_ids),
4482 .shutdown = rk_fb_shutdown,
4485 static int __init rk_fb_init(void)
4487 return platform_driver_register(&rk_fb_driver);
4490 static void __exit rk_fb_exit(void)
4492 platform_driver_unregister(&rk_fb_driver);
4495 fs_initcall(rk_fb_init);
4496 module_exit(rk_fb_exit);