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_warning("%s:un supported 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_warning("%s:un supported transmitter:%d!\n",
161 int rk_fb_pixel_width(int data_format)
165 switch (data_format) {
193 pr_warning("%s:un supported 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_warning("%s:un supported 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_warning("%s:un supported 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;
1208 #if defined(CONFIG_RK_IOMMU)
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 Rga_Request.mmu_info.mmu_en = 0;
1218 Rga_Request.mmu_info.mmu_flag = 0;
1221 ret = rga_ioctl_kernel(&Rga_Request);
1225 * This function is used for copying fb by RGA Module
1226 * RGA only support copy RGB to RGB
1227 * RGA2 support copy RGB to RGB and YUV to YUV
1229 static void fb_copy_by_rga(struct fb_info *dst_info,
1230 struct fb_info *src_info)
1232 struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1233 struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1234 struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1235 struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1236 int win_id = 0, ext_win_id;
1237 struct rk_lcdc_win *src_win, *dst_win;
1239 win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1240 src_win = dev_drv->win[win_id];
1243 ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1244 dst_win = ext_dev_drv->win[ext_win_id];
1246 win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1247 ext_dev_drv->iommu_enabled);
1251 static int rk_fb_rotate(struct fb_info *dst_info,
1252 struct fb_info *src_info)
1254 #if defined(CONFIG_RK29_IPP)
1255 fb_copy_by_ipp(dst_info, src_info);
1256 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1257 fb_copy_by_rga(dst_info, src_info);
1264 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1265 struct rk_lcdc_win *src_win,
1266 u16 rotate, int iommu_en)
1268 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1269 win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1278 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1279 struct fb_info *info)
1281 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1282 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1283 struct fb_fix_screeninfo *fix = &info->fix;
1285 struct rk_lcdc_win *win = NULL;
1286 struct rk_screen *screen = dev_drv->cur_screen;
1287 u32 xoffset = var->xoffset;
1288 u32 yoffset = var->yoffset;
1289 u32 xvir = var->xres_virtual;
1292 u32 stride, uv_stride;
1295 u16 uv_x_off, uv_y_off, uv_y_act;
1298 if (dev_drv->suspend_flag)
1300 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1304 win = dev_drv->win[win_id];
1306 pixel_width = rk_fb_pixel_width(win->area[0].format);
1307 vir_width_bit = pixel_width * xvir;
1308 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1309 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1311 switch (win->area[0].format) {
1315 stride = stride_32bit_1;
1316 uv_stride = stride_32bit_1;
1319 fix->line_length = stride;
1320 uv_y_act = win->area[0].yact >> 1;
1322 case YUV420: /* nv12 */
1323 case YUV420_NV21: /* nv21 */
1326 stride = stride_32bit_1;
1327 uv_stride = stride_32bit_1;
1329 uv_y_off = yoffset >> 1;
1330 fix->line_length = stride;
1331 uv_y_act = win->area[0].yact >> 1;
1336 stride = stride_32bit_1;
1337 uv_stride = stride_32bit_2;
1338 uv_x_off = xoffset * 2;
1340 fix->line_length = stride << 2;
1341 uv_y_act = win->area[0].yact;
1344 stride = stride_32bit_1; /* default rgb */
1345 fix->line_length = stride;
1349 /* x y mirror ,jump line */
1350 if ((screen->y_mirror == 1) ||
1351 (win->xmirror && win->ymirror)) {
1352 if (screen->interlace == 1) {
1353 win->area[0].y_offset = yoffset * stride * 2 +
1354 ((win->area[0].yact - 1) * 2 + 1) * stride +
1355 xoffset * pixel_width / 8;
1357 win->area[0].y_offset = yoffset * stride +
1358 (win->area[0].yact - 1) * stride +
1359 xoffset * pixel_width / 8;
1362 if (screen->interlace == 1) {
1363 win->area[0].y_offset =
1364 yoffset * stride * 2 + xoffset * pixel_width / 8;
1366 win->area[0].y_offset =
1367 yoffset * stride + xoffset * pixel_width / 8;
1370 if (is_pic_yuv == 1) {
1371 if ((screen->y_mirror == 1) ||
1372 (win->xmirror && win->ymirror)) {
1373 if (screen->interlace == 1) {
1374 win->area[0].c_offset =
1375 uv_y_off * uv_stride * 2 +
1376 ((uv_y_act - 1) * 2 + 1) * uv_stride +
1377 uv_x_off * pixel_width / 8;
1379 win->area[0].c_offset = uv_y_off * uv_stride +
1380 (uv_y_act - 1) * uv_stride +
1381 uv_x_off * pixel_width / 8;
1384 if (screen->interlace == 1) {
1385 win->area[0].c_offset =
1386 uv_y_off * uv_stride * 2 +
1387 uv_x_off * pixel_width / 8;
1389 win->area[0].c_offset =
1390 uv_y_off * uv_stride +
1391 uv_x_off * pixel_width / 8;
1396 win->area[0].smem_start = fix->smem_start;
1397 win->area[0].cbr_start = fix->mmio_start;
1398 win->area[0].state = 1;
1401 dev_drv->ops->pan_display(dev_drv, win_id);
1403 #ifdef CONFIG_FB_MIRRORING
1404 if (video_data_to_mirroring)
1405 video_data_to_mirroring(info, NULL);
1407 /*if not want the config effect,set reserved[3] bit[0] 1*/
1408 if (likely((var->reserved[3] & 0x1) == 0))
1409 dev_drv->ops->cfg_done(dev_drv);
1410 if (dev_drv->hdmi_switch)
1415 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1419 i = list_empty(&dev_drv->update_regs_list);
1420 j = list_empty(&dev_drv->saved_list);
1421 return i == j ? 0 : 1;
1424 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1426 int err = sync_fence_wait(fence, 1000);
1432 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1435 pr_info("error waiting on fence\n");
1438 static int rk_fb_copy_from_loader(struct fb_info *info)
1440 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1441 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1442 void *dst = info->screen_base;
1447 struct rk_lcdc_win *win;
1449 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1450 win = dev_drv->win[win_id];
1451 size = (win->area[0].xact) * (win->area[0].yact) << 2;
1452 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1453 src = dsp_addr[win_id];
1454 dev_info(info->dev, "copy fb data %d x %d from dst_addr:%08x\n",
1455 win->area[0].xact, win->area[0].yact, src);
1456 for (i = 0; i < size; i += PAGE_SIZE) {
1457 void *page = phys_to_page(i + src);
1458 void *from_virt = kmap(page);
1459 void *to_virt = dst + i;
1460 memcpy(to_virt, from_virt, PAGE_SIZE);
1462 dev_drv->ops->direct_set_addr(dev_drv, win_id,
1463 info->fix.smem_start);
1467 #ifdef CONFIG_RK_IOMMU
1468 static int g_last_addr[5][4];
1469 static int g_now_config_addr[5][4];
1470 static int g_last_state[5][4];
1471 static int g_now_config_state[5][4];
1476 #define DUMP_CHUNK 256
1477 char buf[PAGE_SIZE];
1479 int rk_fb_sysmmu_fault_handler(struct device *dev,
1480 enum rk_iommu_inttype itype,
1481 unsigned long pgtable_base,
1482 unsigned long fault_addr, unsigned int status)
1484 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1486 static int page_fault_cnt;
1487 if ((page_fault_cnt++) >= 10)
1490 ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1491 fault_addr, pgtable_base, status);
1492 pr_info("last config addr:\n");
1493 for (i = 0; i < 4; i++) {
1494 for (j = 0; j < 4; j++)
1495 pr_info("win[%d],area[%d] = 0x%08x\n",
1496 i, j, g_last_addr[i][j]);
1498 pr_info("last freed buffer:\n");
1499 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1500 pr_info("%d:0x%08x\n", i, freed_addr[i]);
1501 pr_info("last timeout:%d\n", g_last_timeout);
1502 dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1503 for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1504 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1505 char c = buf[i + DUMP_CHUNK];
1506 buf[i + DUMP_CHUNK] = 0;
1507 pr_cont("%s", buf + i);
1508 buf[i + DUMP_CHUNK] = c;
1510 buf[PAGE_SIZE - 1] = 0;
1511 pr_cont("%s", buf + i);
1519 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1520 struct rk_fb_reg_win_data *reg_win_data)
1523 struct rk_fb_reg_area_data *area_data;
1524 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1526 for (i = 0; i < reg_win_data->area_num; i++) {
1527 area_data = ®_win_data->reg_area_data[i];
1528 index_buf = area_data->index_buf;
1529 #if defined(CONFIG_RK_IOMMU)
1530 if (dev_drv->iommu_enabled) {
1531 if (area_data->ion_handle != NULL &&
1532 !IS_YUV_FMT(area_data->data_format))
1533 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1534 area_data->ion_handle);
1535 freed_addr[freed_index++] = area_data->smem_start;
1538 if (area_data->ion_handle != NULL)
1539 ion_free(rk_fb->ion_client, area_data->ion_handle);
1541 if (area_data->acq_fence)
1542 sync_fence_put(area_data->acq_fence);
1544 memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1547 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1548 struct rk_lcdc_win *win,
1549 struct rk_fb_reg_win_data *reg_win_data)
1552 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1553 struct rk_screen *cur_screen;
1554 struct rk_screen primary_screen;
1556 if (unlikely(!inf) || unlikely(!dev_drv) ||
1557 unlikely(!win) || unlikely(!reg_win_data))
1560 cur_screen = dev_drv->cur_screen;
1561 rk_fb_get_prmry_screen(&primary_screen);
1563 win->area_num = reg_win_data->area_num;
1564 win->id = reg_win_data->win_id;
1565 win->z_order = reg_win_data->z_order;
1567 if (reg_win_data->reg_area_data[0].smem_start > 0) {
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;
1572 win->area[0].uv_vir_stride =
1573 reg_win_data->reg_area_data[0].uv_vir_stride;
1574 win->area[0].cbr_start =
1575 reg_win_data->reg_area_data[0].cbr_start;
1576 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1577 win->alpha_en = reg_win_data->alpha_en;
1578 win->alpha_mode = reg_win_data->alpha_mode;
1579 win->g_alpha_val = reg_win_data->g_alpha_val;
1581 * reg_win_data mirror_en means that xmirror ymirror all
1584 win->xmirror = reg_win_data->mirror_en ? 1 : 0;
1585 win->ymirror = reg_win_data->mirror_en ? 1 : 0;
1586 win->colorspace = reg_win_data->colorspace;
1587 win->area[0].fbdc_en =
1588 reg_win_data->reg_area_data[0].fbdc_en;
1589 win->area[0].fbdc_cor_en =
1590 reg_win_data->reg_area_data[0].fbdc_cor_en;
1591 win->area[0].fbdc_data_format =
1592 reg_win_data->reg_area_data[0].fbdc_data_format;
1593 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1594 if (reg_win_data->reg_area_data[i].smem_start > 0) {
1595 win->area[i].format =
1596 reg_win_data->reg_area_data[i].data_format;
1597 win->area[i].ion_hdl =
1598 reg_win_data->reg_area_data[i].ion_handle;
1599 win->area[i].smem_start =
1600 reg_win_data->reg_area_data[i].smem_start;
1601 if (inf->disp_mode == DUAL ||
1602 inf->disp_mode == NO_DUAL) {
1604 reg_win_data->reg_area_data[i].xpos;
1606 reg_win_data->reg_area_data[i].ypos;
1607 win->area[i].xsize =
1608 reg_win_data->reg_area_data[i].xsize;
1609 win->area[i].ysize =
1610 reg_win_data->reg_area_data[i].ysize;
1613 reg_win_data->reg_area_data[i].xpos *
1614 cur_screen->mode.xres /
1615 primary_screen.mode.xres;
1617 reg_win_data->reg_area_data[i].ypos *
1618 cur_screen->mode.yres /
1619 primary_screen.mode.yres;
1620 win->area[i].xsize =
1621 reg_win_data->reg_area_data[i].xsize *
1622 cur_screen->mode.xres /
1623 primary_screen.mode.xres;
1624 win->area[i].ysize =
1625 reg_win_data->reg_area_data[i].ysize *
1626 cur_screen->mode.yres /
1627 primary_screen.mode.yres;
1629 /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1630 if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
1631 if (cur_screen->xsize > 0 &&
1632 cur_screen->xsize <= cur_screen->mode.xres) {
1634 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1635 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1636 win->area[i].xsize =
1637 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1639 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1641 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1642 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1643 win->area[i].ysize =
1644 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1649 reg_win_data->reg_area_data[i].xact;
1651 reg_win_data->reg_area_data[i].yact;
1653 reg_win_data->reg_area_data[i].xvir;
1655 reg_win_data->reg_area_data[i].yvir;
1657 reg_win_data->reg_area_data[i].xoff;
1659 reg_win_data->reg_area_data[i].yoff;
1660 win->area[i].y_offset =
1661 reg_win_data->reg_area_data[i].y_offset;
1662 win->area[i].y_vir_stride =
1663 reg_win_data->reg_area_data[i].y_vir_stride;
1664 win->area[i].state = 1;
1665 #if defined(CONFIG_RK_IOMMU)
1666 if (dev_drv->iommu_enabled) {
1667 g_now_config_addr[win->id][i] =
1668 win->area[i].smem_start +
1669 win->area[i].y_offset;
1670 g_now_config_state[win->id][i] = 1;
1674 win->area[i].state = 0;
1675 #if defined(CONFIG_RK_IOMMU)
1676 if (dev_drv->iommu_enabled) {
1677 g_now_config_addr[win->id][i] = 0;
1678 g_now_config_state[win->id][i] = 0;
1686 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1690 struct rk_fb_reg_win_data *win_data = NULL;
1692 for (i = 0; i < regs->win_num; i++) {
1693 if (regs->reg_win_data[i].win_id == win_id) {
1694 win_data = &(regs->reg_win_data[i]);
1702 static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
1703 struct rk_fb_reg_data *regs,
1706 int i, j, wait_for_vsync = false;
1707 unsigned int dsp_addr[5][4];
1710 if (dev_drv->ops->get_dsp_addr)
1711 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1713 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1714 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1715 if ((j > 0) && (dev_drv->area_support[i] == 1))
1717 if (dev_drv->win[i]->area[j].state == 1) {
1719 dev_drv->win[i]->area[j].smem_start +
1720 dev_drv->win[i]->area[j].y_offset;
1721 u32 reg_start = dsp_addr[i][j];
1722 if (unlikely(new_start != reg_start)) {
1723 wait_for_vsync = true;
1724 dev_info(dev_drv->dev,
1725 "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1726 i, new_start, reg_start,
1730 } else if (dev_drv->win[i]->area[j].state == 0) {
1731 if (dev_drv->ops->get_win_state) {
1733 dev_drv->ops->get_win_state(dev_drv, i, j);
1735 wait_for_vsync = true;
1738 pr_err("!!!win[%d]state:%d,error!!!\n",
1739 i, dev_drv->win[i]->state);
1744 return wait_for_vsync;
1747 static int rk_fb_iommu_page_fault_dump(struct rk_lcdc_driver *dev_drv)
1749 int i, j, state, page_fault = 0;
1750 unsigned int dsp_addr[5][4];
1752 if (dev_drv->ops->extern_func) {
1753 dev_drv->ops->extern_func(dev_drv, UNMASK_PAGE_FAULT);
1754 page_fault = dev_drv->ops->extern_func(dev_drv, GET_PAGE_FAULT);
1757 pr_info("last config:\n");
1758 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1759 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1760 if ((j > 0) && (dev_drv->area_support[i] == 1))
1762 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1763 i, j, g_last_state[i][j], g_last_addr[i][j]);
1767 pr_info("last freed buffer:\n");
1768 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1769 pr_info("%d:0x%08x\n", i, freed_addr[i]);
1771 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1772 pr_info("vop now state:\n");
1773 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1774 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1775 if ((j > 0) && (dev_drv->area_support[i] == 1))
1777 state = dev_drv->ops->get_win_state(dev_drv, i, j);
1778 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1779 i, j, state, dsp_addr[i][j]);
1782 pr_info("now config:\n");
1783 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1784 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1785 if ((j > 0) && (dev_drv->area_support[i] == 1))
1787 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1788 i, j, g_now_config_state[i][j],
1789 g_now_config_addr[i][j]);
1792 for (i = 0; i < DUMP_FRAME_NUM; i++)
1793 rk_fb_config_debug(dev_drv, &dev_drv->tmp_win_cfg[i],
1794 &dev_drv->tmp_regs[i], 0);
1797 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1798 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1799 if ((j > 0) && (dev_drv->area_support[i] == 1))
1801 g_last_addr[i][j] = g_now_config_addr[i][j];
1802 g_last_state[i][j] = g_now_config_state[i][j];
1808 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1809 struct rk_fb_reg_data *regs)
1812 struct rk_lcdc_win *win;
1813 ktime_t timestamp = dev_drv->vsync_info.timestamp;
1814 struct rk_fb_reg_win_data *win_data;
1815 bool wait_for_vsync;
1819 /* acq_fence wait */
1820 for (i = 0; i < regs->win_num; i++) {
1821 win_data = ®s->reg_win_data[i];
1822 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1823 if (win_data->reg_area_data[j].acq_fence) {
1824 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1829 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1830 win = dev_drv->win[i];
1831 win_data = rk_fb_get_win_data(regs, i);
1833 mutex_lock(&dev_drv->win_config);
1834 rk_fb_update_win(dev_drv, win, win_data);
1836 dev_drv->ops->set_par(dev_drv, i);
1837 dev_drv->ops->pan_display(dev_drv, i);
1838 mutex_unlock(&dev_drv->win_config);
1842 for (j = 0; j < 4; j++)
1843 win->area[j].state = 0;
1844 #if defined(CONFIG_RK_IOMMU)
1845 if (dev_drv->iommu_enabled) {
1846 for (j = 0; j < 4; j++) {
1847 g_now_config_addr[i][j] = 0;
1848 g_now_config_state[i][j] = 0;
1854 dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1856 if (rk_fb_iommu_debug > 0)
1857 pagefault = rk_fb_iommu_page_fault_dump(dev_drv);
1860 dev_drv->ops->cfg_done(dev_drv);
1862 sw_sync_timeline_inc(dev_drv->timeline, 1);
1865 timestamp = dev_drv->vsync_info.timestamp;
1866 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1867 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1868 msecs_to_jiffies(50));
1870 wait_for_vsync = rk_fb_reg_effect(dev_drv, regs, count);
1871 } while (wait_for_vsync && count--);
1873 sw_sync_timeline_inc(dev_drv->timeline, 1);
1876 if (dev_drv->front_regs) {
1877 #if defined(CONFIG_RK_IOMMU)
1878 if (dev_drv->iommu_enabled) {
1879 if (dev_drv->ops->mmu_en)
1880 dev_drv->ops->mmu_en(dev_drv);
1882 g_last_timeout = timeout;
1886 mutex_lock(&dev_drv->front_lock);
1888 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1889 win_data = &dev_drv->front_regs->reg_win_data[i];
1890 rk_fb_free_dma_buf(dev_drv, win_data);
1892 kfree(dev_drv->front_regs);
1894 mutex_unlock(&dev_drv->front_lock);
1896 #if defined(CONFIG_RK_IOMMU)
1897 if (dev_drv->iommu_enabled)
1898 freed_addr[freed_index] = 0xfefefefe;
1902 mutex_lock(&dev_drv->front_lock);
1904 dev_drv->front_regs = regs;
1906 mutex_unlock(&dev_drv->front_lock);
1908 trace_buffer_dump(&fb_pdev->dev, dev_drv);
1911 static void rk_fb_update_regs_handler(struct kthread_work *work)
1913 struct rk_lcdc_driver *dev_drv =
1914 container_of(work, struct rk_lcdc_driver, update_regs_work);
1915 struct rk_fb_reg_data *data, *next;
1917 mutex_lock(&dev_drv->update_regs_list_lock);
1918 dev_drv->saved_list = dev_drv->update_regs_list;
1919 list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1920 mutex_unlock(&dev_drv->update_regs_list_lock);
1922 list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1923 rk_fb_update_reg(dev_drv, data);
1924 list_del(&data->list);
1927 if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1928 wake_up(&dev_drv->update_regs_wait);
1931 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1932 struct rk_screen *screen)
1934 if (area_par->phy_addr > 0)
1935 pr_err("%s[%d], phy_addr = 0x%x\n",
1936 __func__, __LINE__, area_par->phy_addr);
1937 if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1938 (area_par->xact <= 0) || (area_par->yact <= 0) ||
1939 (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1940 pr_err("check config var fail 0:\n"
1941 "x_offset=%d,xact=%d,xvir=%d\n",
1942 area_par->x_offset, area_par->xact, area_par->xvir);
1946 if ((area_par->xpos >= screen->mode.xres) ||
1947 (area_par->ypos >= screen->mode.yres) ||
1948 ((area_par->xsize <= 0) || (area_par->ysize <= 0))) {
1949 pr_warn("check config var fail 1:\n"
1950 "xpos=%d,xsize=%d,xres=%d\n"
1951 "ypos=%d,ysize=%d,yres=%d\n",
1952 area_par->xpos, area_par->xsize, screen->mode.xres,
1953 area_par->ypos, area_par->ysize, screen->mode.yres);
1959 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
1960 struct rk_fb_win_cfg_data *win_data,
1961 struct rk_fb_reg_data *regs, u32 cmd)
1964 struct rk_fb_win_par *win_par;
1965 struct rk_fb_area_par *area_par;
1966 struct rk_fb_reg_win_data *reg_win_data;
1967 struct rk_fb_reg_area_data *area_data;
1969 rk_fb_dbg(cmd, "-------------frame start-------------\n");
1970 rk_fb_dbg(cmd, "user config:\n");
1971 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1972 win_par = &(win_data->win_par[i]);
1973 if ((win_par->area_par[0].ion_fd <= 0) &&
1974 (win_par->area_par[0].phy_addr <= 0))
1976 rk_fb_dbg(cmd, "win[%d]:z_order=%d,galhpa_v=%d\n",
1977 win_par->win_id, win_par->z_order,
1978 win_par->g_alpha_val);
1979 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1980 area_par = &(win_par->area_par[j]);
1981 if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
1982 ((win_par->area_par[j].ion_fd <= 0) &&
1983 (win_par->area_par[j].phy_addr <= 0)))
1985 rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion_fd=%d,phy_add=0x%x,xoff=%d,yoff=%d\n",
1986 j, area_par->data_format, area_par->ion_fd,
1987 area_par->phy_addr, area_par->x_offset,
1988 area_par->y_offset);
1989 rk_fb_dbg(cmd, " xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
1990 area_par->xpos, area_par->ypos,
1991 area_par->xsize, area_par->ysize);
1992 rk_fb_dbg(cmd, " xact=%d,yact=%d,xvir=%d,yvir=%d\n",
1993 area_par->xact, area_par->yact,
1994 area_par->xvir, area_par->yvir);
1998 rk_fb_dbg(cmd, "regs data:\n");
1999 rk_fb_dbg(cmd, "win_num=%d,buf_num=%d\n",
2000 regs->win_num, regs->buf_num);
2001 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2002 reg_win_data = &(regs->reg_win_data[i]);
2003 if (reg_win_data->reg_area_data[0].smem_start <= 0)
2005 rk_fb_dbg(cmd, "win[%d]:z_order=%d,area_num=%d,area_buf_num=%d\n",
2006 reg_win_data->win_id, reg_win_data->z_order,
2007 reg_win_data->area_num, reg_win_data->area_buf_num);
2008 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2009 area_data = &(reg_win_data->reg_area_data[j]);
2010 if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2011 (area_data->smem_start <= 0))
2013 rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion=%p,smem_star=0x%lx,cbr_star=0x%lx\n",
2014 j, area_data->data_format, area_data->ion_handle,
2015 area_data->smem_start, area_data->cbr_start);
2016 rk_fb_dbg(cmd, " yoff=0x%x,coff=0x%x,area_data->buff_len=%x\n",
2017 area_data->y_offset, area_data->c_offset, area_data->buff_len);
2018 rk_fb_dbg(cmd, " xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2019 area_data->xpos, area_data->ypos,
2020 area_data->xsize, area_data->ysize);
2021 rk_fb_dbg(cmd, " xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2022 area_data->xact, area_data->yact,
2023 area_data->xvir, area_data->yvir);
2026 rk_fb_dbg(cmd, "-------------frame end---------------\n");
2030 static int rk_fb_config_backup(struct rk_lcdc_driver *dev_drv,
2031 struct rk_fb_win_cfg_data *win_cfg,
2032 struct rk_fb_reg_data *regs)
2036 /*2->1->0: 0 is newest*/
2037 for (i = 0; i < DUMP_FRAME_NUM - 1; i++) {
2038 memcpy(&dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 1 - i],
2039 &dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 2 - i],
2040 sizeof(struct rk_fb_win_cfg_data));
2041 memcpy(&dev_drv->tmp_regs[DUMP_FRAME_NUM - 1 - i],
2042 &dev_drv->tmp_regs[DUMP_FRAME_NUM - 2 - i],
2043 sizeof(struct rk_fb_reg_data));
2046 memcpy(&dev_drv->tmp_win_cfg[0], win_cfg,
2047 sizeof(struct rk_fb_win_cfg_data));
2048 memcpy(&dev_drv->tmp_regs[0], regs,
2049 sizeof(struct rk_fb_reg_data));
2053 static int rk_fb_set_win_buffer(struct fb_info *info,
2054 struct rk_fb_win_par *win_par,
2055 struct rk_fb_reg_win_data *reg_win_data)
2057 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2058 struct fb_fix_screeninfo *fix = &info->fix;
2059 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2060 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2061 /*if hdmi size move to hwc,screen should point to cur_screen
2062 *otherwise point to screen0[main screen]*/
2063 struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
2064 struct fb_info *fbi;
2065 int i, ion_fd, acq_fence_fd;
2067 u32 xoffset, yoffset;
2069 struct ion_handle *hdl;
2075 u32 stride, uv_stride;
2078 u16 uv_x_off, uv_y_off, uv_y_act;
2080 u8 ppixel_a = 0, global_a = 0;
2081 ion_phys_addr_t phy_addr;
2085 reg_win_data->reg_area_data[0].smem_start = -1;
2086 reg_win_data->area_num = 0;
2087 fbi = rk_fb->fb[win_par->win_id + dev_drv->fb_index_base];
2088 if (win_par->area_par[0].phy_addr == 0) {
2089 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2090 ion_fd = win_par->area_par[i].ion_fd;
2093 ion_import_dma_buf(rk_fb->ion_client,
2096 pr_info("%s: Could not import handle:"
2097 " %ld\n", __func__, (long)hdl);
2101 reg_win_data->reg_area_data[i].ion_handle = hdl;
2102 #ifndef CONFIG_RK_IOMMU
2103 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
2106 if (dev_drv->iommu_enabled)
2107 ret = ion_map_iommu(dev_drv->dev,
2110 (unsigned long *)&phy_addr,
2111 (unsigned long *)&len);
2113 ret = ion_phys(rk_fb->ion_client, hdl,
2117 dev_err(fbi->dev, "ion map to get phy addr failed\n");
2118 ion_free(rk_fb->ion_client, hdl);
2121 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2122 reg_win_data->area_num++;
2123 reg_win_data->area_buf_num++;
2124 reg_win_data->reg_area_data[i].index_buf = 1;
2125 reg_win_data->reg_area_data[i].buff_len = len;
2129 reg_win_data->reg_area_data[0].smem_start =
2130 win_par->area_par[0].phy_addr;
2131 reg_win_data->area_num = 1;
2132 reg_win_data->area_buf_num++;
2133 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2136 if (reg_win_data->area_num == 0) {
2137 for (i = 0; i < RK_WIN_MAX_AREA; i++)
2138 reg_win_data->reg_area_data[i].smem_start = 0;
2139 reg_win_data->z_order = -1;
2140 reg_win_data->win_id = -1;
2144 for (i = 0; i < reg_win_data->area_num; i++) {
2145 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2146 index_buf = reg_win_data->reg_area_data[i].index_buf;
2147 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2148 reg_win_data->reg_area_data[i].acq_fence =
2149 sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2152 if (reg_win_data->reg_area_data[0].smem_start > 0) {
2153 reg_win_data->z_order = win_par->z_order;
2154 reg_win_data->win_id = win_par->win_id;
2156 reg_win_data->z_order = -1;
2157 reg_win_data->win_id = -1;
2160 reg_win_data->mirror_en = win_par->mirror_en;
2161 for (i = 0; i < reg_win_data->area_num; i++) {
2162 u8 data_format = win_par->area_par[i].data_format;
2163 /*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
2164 reg_win_data->colorspace = CSC_FORMAT(data_format);
2165 data_format &= ~CSC_MASK;
2166 fb_data_fmt = rk_fb_data_fmt(data_format, 0);
2167 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
2168 if (IS_FBDC_FMT(fb_data_fmt)) {
2169 reg_win_data->reg_area_data[i].fbdc_en = 1;
2170 reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
2172 reg_win_data->reg_area_data[i].fbdc_en = 0;
2173 reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
2175 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2177 ppixel_a |= ((fb_data_fmt == ARGB888) ||
2178 (fb_data_fmt == FBDC_ARGB_888) ||
2179 (fb_data_fmt == FBDC_ABGR_888) ||
2180 (fb_data_fmt == ABGR888)) ? 1 : 0;
2181 /*act_height should be 2 pix align for interlace output*/
2182 if (win_par->area_par[i].yact % 2 == 1) {
2183 win_par->area_par[i].yact -= 1;
2184 win_par->area_par[i].ysize -= 1;
2187 /* buf offset should be 2 pix align*/
2188 if ((win_par->area_par[i].x_offset % 2 == 1) &&
2189 IS_YUV_FMT(fb_data_fmt)) {
2190 win_par->area_par[i].x_offset += 1;
2191 win_par->area_par[i].xact -= 1;
2194 /* visiable pos in panel */
2195 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2196 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2198 /* realy size in panel */
2199 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2200 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2202 /* realy size in panel */
2203 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2204 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2206 xoffset = win_par->area_par[i].x_offset; /* buf offset */
2207 yoffset = win_par->area_par[i].y_offset;
2208 reg_win_data->reg_area_data[i].xoff = xoffset;
2209 reg_win_data->reg_area_data[i].yoff = yoffset;
2211 xvir = win_par->area_par[i].xvir;
2212 reg_win_data->reg_area_data[i].xvir = xvir;
2213 yvir = win_par->area_par[i].yvir;
2214 reg_win_data->reg_area_data[i].yvir = yvir;
2216 vir_width_bit = pixel_width * xvir;
2217 /* pixel_width = byte_num*8 */
2218 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2219 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2221 stride = stride_32bit_1; /* default rgb */
2222 fix->line_length = stride;
2223 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2225 /* x y mirror ,jump line
2226 * reg_win_data->reg_area_data[i].y_offset =
2227 * yoffset*stride+xoffset*pixel_width/8;
2229 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2230 if (screen->interlace == 1) {
2231 reg_win_data->reg_area_data[i].y_offset =
2232 yoffset * stride * 2 +
2233 ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2234 xoffset * pixel_width / 8;
2236 reg_win_data->reg_area_data[i].y_offset =
2238 (reg_win_data->reg_area_data[i].yact - 1) * stride +
2239 xoffset * pixel_width / 8;
2242 if (screen->interlace == 1) {
2243 reg_win_data->reg_area_data[i].y_offset =
2244 yoffset * stride * 2 +
2245 xoffset * pixel_width / 8;
2247 reg_win_data->reg_area_data[i].y_offset =
2249 xoffset * pixel_width / 8;
2252 if (IS_RGB_FMT(fb_data_fmt) && dev_drv->iommu_enabled) {
2253 buff_len = reg_win_data->reg_area_data[i].y_offset +
2254 reg_win_data->reg_area_data[i].xvir *
2255 reg_win_data->reg_area_data[i].yact *
2257 reg_win_data->reg_area_data[i].xoff*
2259 if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2260 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2262 "=buff_len[0x%x]>>mmu len=0x%x\n",
2264 reg_win_data->reg_area_data[i].xvir,
2265 reg_win_data->reg_area_data[i].yact,
2266 pixel_width, buff_len,
2267 reg_win_data->reg_area_data[i].buff_len);
2271 global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2272 reg_win_data->alpha_en = ppixel_a | global_a;
2273 reg_win_data->g_alpha_val = win_par->g_alpha_val;
2274 reg_win_data->alpha_mode = win_par->alpha_mode;
2276 switch (fb_data_fmt) {
2280 stride = stride_32bit_1;
2281 uv_stride = stride_32bit_1;
2284 fix->line_length = stride;
2285 uv_y_act = win_par->area_par[0].yact >> 1;
2287 case YUV420: /* nv12 */
2288 case YUV420_NV21: /* nv21 */
2291 stride = stride_32bit_1;
2292 uv_stride = stride_32bit_1;
2294 uv_y_off = yoffset >> 1;
2295 fix->line_length = stride;
2296 uv_y_act = win_par->area_par[0].yact >> 1;
2301 stride = stride_32bit_1;
2302 uv_stride = stride_32bit_2;
2303 uv_x_off = xoffset * 2;
2305 fix->line_length = stride << 2;
2306 uv_y_act = win_par->area_par[0].yact;
2311 if (is_pic_yuv == 1) {
2312 reg_win_data->reg_area_data[0].cbr_start =
2313 reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2314 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2315 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2316 if (screen->interlace == 1) {
2317 reg_win_data->reg_area_data[0].c_offset =
2318 uv_y_off * uv_stride * 2 +
2319 ((uv_y_act - 1) * 2 + 1) * uv_stride +
2320 uv_x_off * pixel_width / 8;
2322 reg_win_data->reg_area_data[0].c_offset =
2323 uv_y_off * uv_stride +
2324 (uv_y_act - 1) * uv_stride +
2325 uv_x_off * pixel_width / 8;
2328 if (screen->interlace == 1) {
2329 reg_win_data->reg_area_data[0].c_offset =
2330 uv_y_off * uv_stride * 2 +
2331 uv_x_off * pixel_width / 8;
2333 reg_win_data->reg_area_data[0].c_offset =
2334 uv_y_off * uv_stride +
2335 uv_x_off * pixel_width / 8;
2338 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2339 reg_win_data->reg_area_data[0].c_offset +
2340 reg_win_data->reg_area_data[0].xvir *
2341 reg_win_data->reg_area_data[0].yact *
2343 reg_win_data->reg_area_data[0].smem_start -
2344 reg_win_data->reg_area_data[0].xoff*
2346 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2347 dev_drv->iommu_enabled)
2348 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2350 "=buff_len[0x%x]>>mmu len=0x%x\n",
2352 reg_win_data->reg_area_data[0].xvir,
2353 reg_win_data->reg_area_data[0].yact,
2354 pixel_width, buff_len,
2355 reg_win_data->reg_area_data[0].buff_len);
2358 /* record buffer information for rk_fb_disp_scale to prevent fence
2359 * timeout because rk_fb_disp_scale will call function
2360 * info->fbops->fb_set_par(info);
2361 * delete by hjc for new hdmi overscan framework.
2363 /* info->var.yoffset = yoffset;
2364 * info->var.xoffset = xoffset;
2369 static int rk_fb_set_win_config(struct fb_info *info,
2370 struct rk_fb_win_cfg_data *win_data)
2372 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2373 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2374 struct rk_fb_reg_data *regs;
2376 struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2377 struct sync_fence *retire_fence;
2378 struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2379 struct sync_pt *retire_sync_pt;
2380 char fence_name[20];
2382 int ret = 0, i, j = 0;
2383 int list_is_empty = 0;
2384 struct rk_screen *screen = dev_drv->cur_screen;
2386 mutex_lock(&dev_drv->output_lock);
2388 for (i = 0; i < 4; i++) {
2389 for (j = 0; j < 4; j++) {
2390 if ((win_data->win_par[i].area_par[j].ion_fd > 0) ||
2391 (win_data->win_par[i].area_par[j].phy_addr > 0))
2392 ret += rk_fb_check_config_var(
2393 &win_data->win_par[i].area_par[j],
2397 if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
2398 dev_drv->timeline_max++;
2399 sw_sync_timeline_inc(dev_drv->timeline, 1);
2400 if (dev_drv->suspend_flag)
2401 pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
2402 else if (dev_drv->hdmi_switch)
2403 pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
2405 pr_err("error config ,ignore\n");
2406 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2407 win_data->rel_fence_fd[j] = -1;
2408 win_data->ret_fence_fd = -1;
2412 regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2414 pr_info("could not allocate rk_fb_reg_data\n");
2419 for (i = 0, j = 0; i < dev_drv->lcdc_win_num; i++) {
2420 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2421 if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2422 ®s->reg_win_data[j])) {
2424 pr_info("error:%s[%d]\n", __func__, __LINE__);
2427 if (regs->reg_win_data[j].area_num > 0) {
2430 regs->reg_win_data[j].area_buf_num;
2434 pr_info("error:win_id bigger than lcdc_win_num\n");
2435 pr_info("i=%d,win_id=%d\n", i,
2436 win_data->win_par[i].win_id);
2440 if (regs->win_num <= 0)
2441 goto err_null_frame;
2443 dev_drv->timeline_max++;
2445 win_data->ret_fence_fd = get_unused_fd_flags(0);
2446 if (win_data->ret_fence_fd < 0) {
2447 pr_err("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2448 win_data->ret_fence_fd = -1;
2452 for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2453 if (i < regs->buf_num) {
2454 sprintf(fence_name, "fence%d", i);
2455 win_data->rel_fence_fd[i] = get_unused_fd_flags(0);
2456 if (win_data->rel_fence_fd[i] < 0) {
2457 pr_info("rel_fence_fd=%d\n",
2458 win_data->rel_fence_fd[i]);
2462 release_sync_pt[i] =
2463 sw_sync_pt_create(dev_drv->timeline,
2464 dev_drv->timeline_max);
2466 sync_fence_create(fence_name, release_sync_pt[i]);
2467 sync_fence_install(release_fence[i],
2468 win_data->rel_fence_fd[i]);
2470 win_data->rel_fence_fd[i] = -1;
2475 sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2476 retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2477 sync_fence_install(retire_fence, win_data->ret_fence_fd);
2479 for (i = 0; i < RK_MAX_BUF_NUM; i++)
2480 win_data->rel_fence_fd[i] = -1;
2482 win_data->ret_fence_fd = -1;
2484 if (dev_drv->wait_fs == 0) {
2485 mutex_lock(&dev_drv->update_regs_list_lock);
2486 list_add_tail(®s->list, &dev_drv->update_regs_list);
2487 mutex_unlock(&dev_drv->update_regs_list_lock);
2488 queue_kthread_work(&dev_drv->update_regs_worker,
2489 &dev_drv->update_regs_work);
2491 mutex_lock(&dev_drv->update_regs_list_lock);
2492 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2493 list_empty(&dev_drv->saved_list);
2494 mutex_unlock(&dev_drv->update_regs_list_lock);
2495 if (!list_is_empty) {
2496 ret = wait_event_timeout(dev_drv->update_regs_wait,
2497 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2498 msecs_to_jiffies(60));
2500 rk_fb_update_reg(dev_drv, regs);
2502 pr_info("%s: wait update_regs_wait timeout\n", __func__);
2503 } else if (ret == 0) {
2504 rk_fb_update_reg(dev_drv, regs);
2507 if (rk_fb_debug_lvl > 0)
2508 rk_fb_config_debug(dev_drv, win_data, regs, rk_fb_debug_lvl);
2509 if (rk_fb_iommu_debug > 0)
2510 rk_fb_config_backup(dev_drv, win_data, regs);
2512 mutex_unlock(&dev_drv->output_lock);
2515 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2516 win_data->rel_fence_fd[j] = -1;
2517 win_data->ret_fence_fd = -1;
2518 pr_info("win num = %d,null frame\n", regs->win_num);
2521 mutex_unlock(&dev_drv->output_lock);
2527 static int cfgdone_distlist[10] = { 0 };
2529 static int cfgdone_index;
2530 static int cfgdone_lasttime;
2532 int rk_get_real_fps(int before)
2534 struct timespec now;
2540 int index = cfgdone_index;
2549 getnstimeofday(&now);
2550 dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2553 for (i = 0; i < 10; i++) {
2556 total += cfgdone_distlist[index];
2558 dist_first = cfgdone_distlist[index];
2559 if (total < (before * 1000)) {
2560 dist_total += cfgdone_distlist[index];
2567 dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2568 dist_total += dist_curr;
2572 fps = (1000000 * dist_count) / dist_total;
2578 EXPORT_SYMBOL(rk_get_real_fps);
2581 #ifdef CONFIG_RK_IOMMU
2583 static struct ion_handle *ion_hanle[ION_MAX];
2584 static struct ion_handle *ion_hwc[1];
2586 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2589 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2590 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2591 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2592 struct fb_fix_screeninfo *fix = &info->fix;
2593 struct rk_lcdc_win *win;
2594 int enable; /* enable fb:1 enable;0 disable */
2595 int ovl; /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2596 int num_buf; /* buffer_number */
2598 struct rk_fb_win_cfg_data win_data;
2599 unsigned int dsp_addr[4][4];
2602 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2603 void __user *argp = (void __user *)arg;
2605 win = dev_drv->win[win_id];
2607 case RK_FBIOSET_HWC_ADDR:
2611 if (copy_from_user(hwc_phy, argp, 4))
2613 #ifdef CONFIG_RK_IOMMU
2614 if (!dev_drv->iommu_enabled) {
2616 fix->smem_start = hwc_phy[0];
2617 #ifdef CONFIG_RK_IOMMU
2620 struct ion_handle *hdl;
2621 ion_phys_addr_t phy_addr;
2624 usr_fd = hwc_phy[0];
2626 fix->smem_start = 0;
2627 fix->mmio_start = 0;
2628 dev_drv->ops->open(dev_drv, win_id, 0);
2632 if (ion_hwc[0] != 0) {
2633 ion_free(rk_fb->ion_client, ion_hwc[0]);
2637 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2639 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2644 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2645 (unsigned long *)&phy_addr,
2646 (unsigned long *)&len);
2648 dev_err(info->dev, "ion map to get hwc phy addr failed");
2649 ion_free(rk_fb->ion_client, hdl);
2652 fix->smem_start = phy_addr;
2658 case RK_FBIOSET_YUV_ADDR:
2662 if (copy_from_user(yuv_phy, argp, 8))
2664 #ifdef CONFIG_RK_IOMMU
2665 if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2667 fix->smem_start = yuv_phy[0];
2668 fix->mmio_start = yuv_phy[1];
2669 #ifdef CONFIG_RK_IOMMU
2671 int usr_fd, offset, tmp;
2672 struct ion_handle *hdl;
2673 ion_phys_addr_t phy_addr;
2676 usr_fd = yuv_phy[0];
2677 offset = yuv_phy[1] - yuv_phy[0];
2679 fix->smem_start = 0;
2680 fix->mmio_start = 0;
2684 if (ion_hanle[ION_MAX - 1] != 0) {
2685 /*ion_unmap_kernel(rk_fb->ion_client,
2686 * ion_hanle[ION_MAX - 1]);
2687 *ion_unmap_iommu(dev_drv->dev,
2688 * rk_fb->ion_client,
2689 * ion_hanle[ION_MAX - 1]);
2691 ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2692 ion_hanle[ION_MAX - 1] = 0;
2695 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2697 dev_err(info->dev, "failed to get ion handle:%ld\n",
2702 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2703 (unsigned long *)&phy_addr,
2704 (unsigned long *)&len);
2706 dev_err(info->dev, "ion map to get phy addr failed");
2707 ion_free(rk_fb->ion_client, hdl);
2710 fix->smem_start = phy_addr;
2711 fix->mmio_start = phy_addr + offset;
2712 fix->smem_len = len;
2713 /*info->screen_base =
2714 * ion_map_kernel(rk_fb->ion_client, hdl);
2717 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2718 ion_hanle[tmp] = ion_hanle[tmp - 1];
2724 case RK_FBIOSET_ENABLE:
2725 if (copy_from_user(&enable, argp, sizeof(enable)))
2727 if (enable && fb_par->state)
2731 dev_drv->ops->open(dev_drv, win_id, enable);
2733 case RK_FBIOGET_ENABLE:
2734 enable = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
2735 if (copy_to_user(argp, &enable, sizeof(enable)))
2738 case RK_FBIOSET_OVERLAY_STA:
2739 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2741 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2743 case RK_FBIOGET_OVERLAY_STA:
2744 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2745 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2748 case RK_FBIOPUT_NUM_BUFFERS:
2749 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2751 dev_drv->num_buf = num_buf;
2753 case RK_FBIOSET_VSYNC_ENABLE:
2754 if (copy_from_user(&enable, argp, sizeof(enable)))
2756 dev_drv->vsync_info.active = enable;
2759 case RK_FBIOGET_DSP_ADDR:
2760 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2761 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2764 case RK_FBIOGET_LIST_STA:
2765 list_stat = rk_fb_get_list_stat(dev_drv);
2766 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2770 case RK_FBIOGET_IOMMU_STA:
2771 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2772 sizeof(dev_drv->iommu_enabled)))
2775 #if defined(CONFIG_ION_ROCKCHIP)
2776 case RK_FBIOSET_DMABUF_FD:
2779 struct ion_handle *hdl;
2780 ion_phys_addr_t phy_addr;
2782 if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2785 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2786 ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2787 fix->smem_start = phy_addr;
2790 case RK_FBIOGET_DMABUF_FD:
2794 if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2796 "get dma_buf fd failed,ion handle is err\n");
2797 return PTR_ERR(fb_par->ion_hdl);
2799 fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2803 "ion_share_dma_buf_fd failed\n");
2806 if (copy_to_user(argp, &fd, sizeof(fd)))
2811 case RK_FBIOSET_CLEAR_FB:
2812 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2814 case RK_FBIOSET_CONFIG_DONE:
2817 struct timespec now;
2819 getnstimeofday(&now);
2820 curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2821 cfgdone_distlist[cfgdone_index++] =
2822 curr - cfgdone_lasttime;
2823 cfgdone_lasttime = curr;
2824 if (cfgdone_index >= 10)
2827 if (copy_from_user(&win_data,
2828 (struct rk_fb_win_cfg_data __user *)argp,
2829 sizeof(win_data))) {
2834 dev_drv->wait_fs = win_data.wait_fs;
2835 ret = rk_fb_set_win_config(info, &win_data);
2837 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2838 &win_data, sizeof(win_data))) {
2842 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2844 if (dev_drv->uboot_logo)
2845 dev_drv->uboot_logo = 0;
2849 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2856 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2858 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2859 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2860 struct fb_fix_screeninfo *fix = &info->fix;
2862 #if defined(CONFIG_RK_HDMI)
2863 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2866 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2869 mutex_lock(&dev_drv->switch_screen);
2870 #if defined(CONFIG_RK_HDMI)
2871 if ((rk_fb->disp_mode == ONE_DUAL) &&
2872 (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2873 pr_info("hdmi is connect , not blank lcdc\n");
2877 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2879 mutex_unlock(&dev_drv->switch_screen);
2883 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2885 if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2886 (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2887 ((16 != var->bits_per_pixel) &&
2888 (32 != var->bits_per_pixel) &&
2889 (24 != var->bits_per_pixel))) {
2890 dev_err(info->dev, "%s check var fail 1:\n"
2891 "xres_vir:%d>>yres_vir:%d\n"
2892 "xres:%d>>yres:%d\n"
2893 "bits_per_pixel:%d\n",
2897 var->xres, var->yres, var->bits_per_pixel);
2901 if (((var->xoffset + var->xres) > var->xres_virtual) ||
2902 ((var->yoffset + var->yres) > (var->yres_virtual))) {
2903 dev_err(info->dev, "%s check_var fail 2:\n"
2904 "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2905 "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2910 var->yoffset, var->yres, var->yres_virtual);
2917 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2918 size_t count, loff_t *ppos)
2920 unsigned long p = *ppos;
2923 int c, cnt = 0, err = 0;
2924 unsigned long total_size;
2925 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2926 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2927 struct rk_lcdc_win *win = NULL;
2930 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2934 win = dev_drv->win[win_id];
2936 /* only read the current frame buffer */
2937 if (win->area[0].format == RGB565) {
2938 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2939 } else if ((win->area[0].format == YUV420) ||
2940 (win->area[0].format == YUV420_NV21)) {
2942 (win->area[0].y_vir_stride * win->area[0].yact * 6);
2944 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2946 if (p >= total_size)
2949 if (count >= total_size)
2952 if (count + p > total_size)
2953 count = total_size - p;
2955 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2959 src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2962 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2964 fb_memcpy_fromfb(dst, src, c);
2968 if (copy_to_user(buf, buffer, c)) {
2980 return (err) ? err : cnt;
2983 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2984 size_t count, loff_t *ppos)
2986 unsigned long p = *ppos;
2989 int c, cnt = 0, err = 0;
2990 unsigned long total_size;
2991 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2992 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2993 struct rk_lcdc_win *win = NULL;
2996 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3000 win = dev_drv->win[win_id];
3002 /* write the current frame buffer */
3003 if (win->area[0].format == RGB565)
3004 total_size = win->area[0].xact * win->area[0].yact << 1;
3006 total_size = win->area[0].xact * win->area[0].yact << 2;
3011 if (count > total_size) {
3016 if (count + p > total_size) {
3020 count = total_size - p;
3023 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3027 dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3030 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3033 if (copy_from_user(src, buf, c)) {
3038 fb_memcpy_tofb(dst, src, c);
3049 return (cnt) ? cnt : err;
3052 static int rk_fb_set_par(struct fb_info *info)
3054 struct fb_var_screeninfo *var = &info->var;
3055 struct fb_fix_screeninfo *fix = &info->fix;
3056 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3057 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3058 struct rk_lcdc_win *win = NULL;
3059 struct rk_screen *screen = dev_drv->cur_screen;
3061 u16 xsize = 0, ysize = 0; /* winx display window height/width --->LCDC_WINx_DSP_INFO */
3062 u32 xoffset = var->xoffset; /* offset from virtual to visible */
3063 u32 yoffset = var->yoffset;
3064 u16 xpos = (var->nonstd >> 8) & 0xfff; /*visiable pos in panel */
3065 u16 ypos = (var->nonstd >> 20) & 0xfff;
3066 u32 xvir = var->xres_virtual;
3067 u8 data_format = var->nonstd & 0xff;
3071 u32 stride, uv_stride;
3074 u16 uv_x_off, uv_y_off, uv_y_act;
3076 /*var->pixclock = dev_drv->pixclock;*/
3077 if (dev_drv->suspend_flag)
3079 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3083 win = dev_drv->win[win_id];
3085 /* if the application has specific the hor and ver display size */
3086 if (var->grayscale >> 8) {
3087 xsize = (var->grayscale >> 8) & 0xfff;
3088 ysize = (var->grayscale >> 20) & 0xfff;
3089 if (xsize > screen->mode.xres)
3090 xsize = screen->mode.xres;
3091 if (ysize > screen->mode.yres)
3092 ysize = screen->mode.yres;
3093 } else { /*ohterwise full screen display */
3094 xsize = screen->mode.xres;
3095 ysize = screen->mode.yres;
3098 win->colorspace = CSC_FORMAT(data_format);
3099 data_format &= ~CSC_MASK;
3100 fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
3101 if (IS_FBDC_FMT(fb_data_fmt)) {
3102 win->area[0].fbdc_en = 1;
3103 win->area[0].fbdc_cor_en = 1;
3105 win->area[0].fbdc_en = 0;
3106 win->area[0].fbdc_cor_en = 0;
3108 pixel_width = rk_fb_pixel_width(fb_data_fmt);
3109 vir_width_bit = pixel_width * xvir;
3110 /* pixel_width = byte_num * 8 */
3111 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3112 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3114 switch (fb_data_fmt) {
3118 stride = stride_32bit_1;
3119 uv_stride = stride_32bit_1;
3122 fix->line_length = stride;
3123 uv_y_act = win->area[0].yact >> 1;
3125 case YUV420: /* nv12 */
3126 case YUV420_NV21: /* nv21 */
3129 stride = stride_32bit_1;
3130 uv_stride = stride_32bit_1;
3132 uv_y_off = yoffset >> 1;
3133 fix->line_length = stride;
3134 uv_y_act = win->area[0].yact >> 1;
3139 stride = stride_32bit_1;
3140 uv_stride = stride_32bit_2;
3141 uv_x_off = xoffset * 2;
3143 fix->line_length = stride << 2;
3144 uv_y_act = win->area[0].yact;
3147 stride = stride_32bit_1; /* default rgb */
3148 fix->line_length = stride;
3152 win->area[0].format = fb_data_fmt;
3153 win->area[0].y_vir_stride = stride >> 2;
3154 win->area[0].uv_vir_stride = uv_stride >> 2;
3155 win->area[0].xpos = xpos;
3156 win->area[0].ypos = ypos;
3157 win->area[0].xsize = xsize;
3158 win->area[0].ysize = ysize;
3159 win->area[0].xact = var->xres; /* winx active window height,is a wint of vir */
3160 win->area[0].yact = var->yres;
3161 win->area[0].xvir = var->xres_virtual; /* virtual resolution stride --->LCDC_WINx_VIR */
3162 win->area[0].yvir = var->yres_virtual;
3163 win->area[0].xoff = xoffset;
3164 win->area[0].yoff = yoffset;
3167 win->last_state = 1;
3170 win->alpha_mode = 4; /* AB_SRC_OVER; */
3171 win->alpha_en = ((win->area[0].format == ARGB888) ||
3172 (win->area[0].format == FBDC_ARGB_888) ||
3173 (win->area[0].format == FBDC_ABGR_888) ||
3174 (win->area[0].format == ABGR888)) ? 1 : 0;
3175 win->g_alpha_val = 0;
3177 dev_drv->ops->set_par(dev_drv, win_id);
3182 static inline unsigned int chan_to_field(unsigned int chan,
3183 struct fb_bitfield *bf)
3186 chan >>= 16 - bf->length;
3187 return chan << bf->offset;
3190 static int fb_setcolreg(unsigned regno,
3191 unsigned red, unsigned green, unsigned blue,
3192 unsigned transp, struct fb_info *info)
3196 switch (info->fix.visual) {
3197 case FB_VISUAL_TRUECOLOR:
3198 /* true-colour, use pseudo-palette */
3200 u32 *pal = info->pseudo_palette;
3201 val = chan_to_field(red, &info->var.red);
3202 val |= chan_to_field(green, &info->var.green);
3203 val |= chan_to_field(blue, &info->var.blue);
3208 return -1; /* unknown type */
3214 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3216 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3217 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3218 struct ion_handle *handle = fb_par->ion_hdl;
3219 struct dma_buf *dma_buf = NULL;
3221 if (IS_ERR_OR_NULL(handle)) {
3222 dev_err(info->dev, "failed to get ion handle:%ld\n",
3226 dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3227 if (IS_ERR_OR_NULL(dma_buf)) {
3228 pr_info("get ion share dma buf failed\n");
3232 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3234 return dma_buf_mmap(dma_buf, vma, 0);
3237 static struct fb_ops fb_ops = {
3238 .owner = THIS_MODULE,
3239 .fb_open = rk_fb_open,
3240 .fb_release = rk_fb_close,
3241 .fb_check_var = rk_fb_check_var,
3242 .fb_set_par = rk_fb_set_par,
3243 .fb_blank = rk_fb_blank,
3244 .fb_ioctl = rk_fb_ioctl,
3245 .fb_compat_ioctl = rk_fb_ioctl,
3246 .fb_pan_display = rk_fb_pan_display,
3247 .fb_read = rk_fb_read,
3248 .fb_write = rk_fb_write,
3249 .fb_setcolreg = fb_setcolreg,
3250 .fb_fillrect = cfb_fillrect,
3251 .fb_copyarea = cfb_copyarea,
3252 .fb_imageblit = cfb_imageblit,
3255 static struct fb_var_screeninfo def_var = {
3256 #if defined(CONFIG_LOGO_LINUX_BMP)
3260 .transp = {0, 0, 0},
3261 .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3266 .transp = {0, 0, 0},
3267 .nonstd = HAL_PIXEL_FORMAT_RGB_565, /* (ypos<<20+xpos<<8+format) format */
3269 .grayscale = 0, /* (ysize<<20+xsize<<8) */
3270 .activate = FB_ACTIVATE_NOW,
3272 .vmode = FB_VMODE_NONINTERLACED,
3275 static struct fb_fix_screeninfo def_fix = {
3276 .type = FB_TYPE_PACKED_PIXELS,
3281 .accel = FB_ACCEL_NONE,
3282 .visual = FB_VISUAL_TRUECOLOR,
3286 static int rk_fb_wait_for_vsync_thread(void *data)
3288 struct rk_lcdc_driver *dev_drv = data;
3289 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3290 struct fb_info *fbi = rk_fb->fb[dev_drv->fb_index_base];
3292 while (!kthread_should_stop()) {
3293 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3294 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3295 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3296 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3299 sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3305 static ssize_t rk_fb_vsync_show(struct device *dev,
3306 struct device_attribute *attr, char *buf)
3308 struct fb_info *fbi = dev_get_drvdata(dev);
3309 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3310 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3312 return scnprintf(buf, PAGE_SIZE, "%llu\n",
3313 ktime_to_ns(dev_drv->vsync_info.timestamp));
3316 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3319 * this two function is for other module that in the kernel which
3320 * need show image directly through fb
3321 * fb_id:we have 4 fb here,default we use fb0 for ui display
3323 struct fb_info *rk_get_fb(int fb_id)
3325 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3326 struct fb_info *fb = inf->fb[fb_id];
3329 EXPORT_SYMBOL(rk_get_fb);
3331 void rk_direct_fb_show(struct fb_info *fbi)
3334 rk_fb_pan_display(&fbi->var, fbi);
3336 EXPORT_SYMBOL(rk_direct_fb_show);
3338 int rk_fb_dpi_open(bool open)
3340 struct rk_lcdc_driver *dev_drv = NULL;
3342 dev_drv = rk_get_prmry_lcdc_drv();
3343 if (dev_drv->ops->dpi_open)
3344 dev_drv->ops->dpi_open(dev_drv, open);
3348 int rk_fb_dpi_win_sel(int win_id)
3350 struct rk_lcdc_driver *dev_drv = NULL;
3352 dev_drv = rk_get_prmry_lcdc_drv();
3353 if (dev_drv->ops->dpi_win_sel)
3354 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3358 int rk_fb_dpi_status(void)
3361 struct rk_lcdc_driver *dev_drv = NULL;
3363 dev_drv = rk_get_prmry_lcdc_drv();
3364 if (dev_drv->ops->dpi_status)
3365 ret = dev_drv->ops->dpi_status(dev_drv);
3371 * function: this function will be called by display device, enable/disable lcdc
3372 * @screen: screen timing to be set to lcdc
3373 * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3374 * @lcdc_id: the lcdc id the display device attached ,0 or 1
3376 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3378 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3379 struct fb_info *info = NULL;
3380 struct rk_fb_par *fb_par = NULL;
3381 struct rk_lcdc_driver *dev_drv = NULL;
3382 struct rk_lcdc_win *win;
3385 static bool load_screen;
3389 int ret, list_is_empty = 0;
3391 if (unlikely(!rk_fb) || unlikely(!screen))
3394 /* get lcdc driver */
3395 sprintf(name, "lcdc%d", lcdc_id);
3396 dev_drv = rk_get_lcdc_drv(name);
3398 if (dev_drv == NULL) {
3399 pr_err("%s driver not found!", name);
3402 if (screen->type == SCREEN_HDMI)
3403 pr_info("hdmi %s lcdc%d\n",
3404 enable ? "connect to" : "remove from",
3406 else if (screen->type == SCREEN_TVOUT ||
3407 screen->type == SCREEN_TVOUT_TEST)
3408 pr_info("cvbs %s lcdc%d\n",
3409 enable ? "connect to" : "remove from",
3411 if (enable == 2 /*&& dev_drv->enable*/)
3413 pr_info("switch:en=%d,lcdc_id=%d,screen type=%d,cur type=%d\n",
3414 enable, lcdc_id, screen->type, dev_drv->cur_screen->type);
3416 mutex_lock(&dev_drv->switch_screen);
3417 hdmi_switch_state = 0;
3418 dev_drv->hdmi_switch = 1;
3419 if (!dev_drv->uboot_logo) {
3421 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
3422 list_empty(&dev_drv->saved_list);
3423 if (!list_is_empty) {
3424 ret = wait_event_timeout(dev_drv->update_regs_wait,
3425 list_empty(&dev_drv->update_regs_list) &&
3426 list_empty(&dev_drv->saved_list),
3427 msecs_to_jiffies(60));
3429 pr_info("%s: wait update_regs_wait timeout\n",
3434 envp[0] = "switch screen";
3435 memset(envplcdc, 0, sizeof(envplcdc));
3436 memset(envpfbdev, 0, sizeof(envpfbdev));
3437 sprintf(envplcdc, "SCREEN=%d,ENABLE=%d", screen->type, enable);
3438 sprintf(envpfbdev, "FBDEV=%d", dev_drv->fb_index_base);
3440 envp[2] = envpfbdev;
3443 if ((rk_fb->disp_mode == ONE_DUAL) ||
3444 (rk_fb->disp_mode == NO_DUAL)) {
3445 if ((dev_drv->ops->backlight_close) &&
3446 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3447 dev_drv->ops->backlight_close(dev_drv, 1);
3448 if (!dev_drv->uboot_logo || load_screen ||
3449 (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3450 if (dev_drv->ops->dsp_black)
3451 dev_drv->ops->dsp_black(dev_drv, 0);
3453 if ((dev_drv->ops->set_screen_scaler) &&
3454 (rk_fb->disp_mode == ONE_DUAL))
3455 dev_drv->ops->set_screen_scaler(dev_drv,
3456 dev_drv->screen0, 0);
3459 /* if screen type is different, we do not disable lcdc. */
3460 if (dev_drv->cur_screen->type != screen->type) {
3461 dev_drv->hdmi_switch = 0;
3462 mutex_unlock(&dev_drv->switch_screen);
3466 /* if used one lcdc to dual disp, no need to close win */
3467 if ((rk_fb->disp_mode == ONE_DUAL) ||
3468 ((rk_fb->disp_mode == NO_DUAL) &&
3469 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))) {
3470 dev_drv->cur_screen = dev_drv->screen0;
3471 dev_drv->ops->load_screen(dev_drv, 1);
3472 /* force modify dsp size */
3473 info = rk_fb->fb[dev_drv->fb_index_base];
3474 info->var.grayscale &= 0xff;
3475 info->var.grayscale |=
3476 (dev_drv->cur_screen->mode.xres << 8) +
3477 (dev_drv->cur_screen->mode.yres << 20);
3478 mutex_lock(&dev_drv->win_config);
3479 info->var.xoffset = 0;
3480 info->var.yoffset = 0;
3481 info->fbops->fb_set_par(info);
3482 info->fbops->fb_pan_display(&info->var, info);
3483 mutex_unlock(&dev_drv->win_config);
3486 * if currently is loader display, black until new
3489 if (dev_drv->uboot_logo) {
3490 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3491 if (dev_drv->win[i] && dev_drv->win[i]->state &&
3492 dev_drv->ops->win_direct_en)
3493 dev_drv->ops->win_direct_en(dev_drv, i, 0);
3497 /*if (dev_drv->ops->dsp_black)
3498 * dev_drv->ops->dsp_black(dev_drv, 0);
3500 if ((dev_drv->ops->backlight_close) &&
3501 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3502 dev_drv->ops->backlight_close(dev_drv, 0);
3503 } else if (rk_fb->num_lcdc > 1) {
3504 /* If there is more than one lcdc device, we disable
3505 * the layer which attached to this device
3507 dev_drv->suspend_flag = 1;
3508 flush_kthread_worker(&dev_drv->update_regs_worker);
3509 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3510 if (dev_drv->win[i] && dev_drv->win[i]->state)
3511 dev_drv->ops->open(dev_drv, i, 0);
3514 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3516 hdmi_switch_state = 0;
3517 dev_drv->hdmi_switch = 0;
3518 mutex_unlock(&dev_drv->switch_screen);
3521 if (dev_drv->uboot_logo) {
3522 if (dev_drv->cur_screen->mode.xres !=
3523 screen->mode.xres ||
3524 dev_drv->cur_screen->mode.yres !=
3528 if (dev_drv->screen1)
3529 dev_drv->cur_screen = dev_drv->screen1;
3531 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3532 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3533 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3534 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3535 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3537 if (!dev_drv->uboot_logo || load_screen ||
3538 (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3539 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3540 info = rk_fb->fb[dev_drv->fb_index_base + i];
3541 fb_par = (struct rk_fb_par *)info->par;
3542 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3543 win = dev_drv->win[win_id];
3544 if (win && fb_par->state) {
3545 dev_drv->ops->load_screen(dev_drv, 1);
3547 info->var.activate |= FB_ACTIVATE_FORCE;
3548 if (rk_fb->disp_mode == ONE_DUAL) {
3549 info->var.grayscale &= 0xff;
3550 info->var.grayscale |=
3551 (dev_drv->cur_screen->xsize << 8) +
3552 (dev_drv->cur_screen->ysize << 20);
3554 if (dev_drv->uboot_logo && win->state) {
3555 if (win->area[0].xpos ||
3556 win->area[0].ypos) {
3558 (screen->mode.xres -
3559 win->area[0].xsize) / 2;
3561 (screen->mode.yres -
3562 win->area[0].ysize) / 2;
3564 win->area[0].xsize =
3566 win->area[0].ysize =
3569 dev_drv->ops->set_par(dev_drv, i);
3570 dev_drv->ops->cfg_done(dev_drv);
3571 } else if (!dev_drv->win[win_id]->state) {
3572 dev_drv->ops->open(dev_drv, win_id, 1);
3573 dev_drv->suspend_flag = 0;
3574 mutex_lock(&dev_drv->win_config);
3575 info->var.xoffset = 0;
3576 info->var.yoffset = 0;
3577 info->fbops->fb_set_par(info);
3578 info->fbops->fb_pan_display(&info->var,
3580 mutex_unlock(&dev_drv->win_config);
3585 dev_drv->ops->load_screen(dev_drv, 0);
3587 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3589 hdmi_switch_state = 1;
3591 dev_drv->hdmi_switch = 0;
3592 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3593 if ((dev_drv->ops->set_screen_scaler) &&
3594 (rk_fb->disp_mode == ONE_DUAL))
3595 dev_drv->ops->set_screen_scaler(dev_drv,
3596 dev_drv->screen0, 1);
3597 /*if (dev_drv->ops->dsp_black)
3598 * dev_drv->ops->dsp_black(dev_drv, 0);*/
3599 if ((dev_drv->ops->backlight_close) &&
3600 (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3601 (rk_fb->disp_mode == ONE_DUAL))
3602 dev_drv->ops->backlight_close(dev_drv, 0);
3604 mutex_unlock(&dev_drv->switch_screen);
3609 * function:this function current only called by hdmi for
3611 * scale_x: scale rate of x resolution
3612 * scale_y: scale rate of y resolution
3613 * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3615 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3617 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3618 struct fb_info *info = NULL;
3619 struct fb_info *pmy_info = NULL;
3620 struct fb_var_screeninfo *var = NULL;
3621 struct rk_lcdc_driver *dev_drv = NULL;
3622 u16 screen_x, screen_y;
3625 struct rk_screen primary_screen;
3627 rk_fb_get_prmry_screen(&primary_screen);
3628 if (primary_screen.type == SCREEN_HDMI)
3631 pr_err("should not be here--%s\n", __func__);
3634 sprintf(name, "lcdc%d", lcdc_id);
3636 if (inf->disp_mode == DUAL) {
3637 dev_drv = rk_get_lcdc_drv(name);
3639 pr_err("%s driver not found!", name);
3643 dev_drv = inf->lcdc_dev_drv[0];
3646 if (inf->num_lcdc == 1) {
3648 } else if (inf->num_lcdc == 2) {
3649 info = inf->fb[dev_drv->lcdc_win_num];
3650 pmy_info = inf->fb[0];
3654 screen_x = dev_drv->cur_screen->mode.xres;
3655 screen_y = dev_drv->cur_screen->mode.yres;
3657 if (inf->disp_mode != DUAL && dev_drv->screen1) {
3658 dev_drv->cur_screen->xpos =
3659 (screen_x - screen_x * scale_x / 100) >> 1;
3660 dev_drv->cur_screen->ypos =
3661 (screen_y - screen_y * scale_y / 100) >> 1;
3662 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3663 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3665 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3666 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3667 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3668 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3669 if (inf->disp_mode == ONE_DUAL) {
3670 var->nonstd &= 0xff;
3671 var->nonstd |= (xpos << 8) + (ypos << 20);
3672 var->grayscale &= 0xff;
3674 (dev_drv->cur_screen->xsize << 8) +
3675 (dev_drv->cur_screen->ysize << 20);
3679 mutex_lock(&dev_drv->win_config);
3680 info->fbops->fb_set_par(info);
3681 dev_drv->ops->cfg_done(dev_drv);
3682 mutex_unlock(&dev_drv->win_config);
3687 #if defined(CONFIG_ION_ROCKCHIP)
3688 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3689 struct rk_lcdc_win *win,
3690 unsigned long fb_mem_size)
3692 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3693 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3694 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3695 struct ion_handle *handle;
3696 ion_phys_addr_t phy_addr;
3700 if (dev_drv->iommu_enabled)
3701 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3702 ION_HEAP_SYSTEM_MASK, 0);
3704 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3705 ION_HEAP_TYPE_DMA_MASK, 0);
3706 if (IS_ERR(handle)) {
3707 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3712 fb_par->ion_hdl = handle;
3713 win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3714 if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3715 pr_info("ion_share_dma_buf() failed\n");
3716 goto err_share_dma_buf;
3718 win->area[0].ion_hdl = handle;
3719 if (dev_drv->prop == PRMRY)
3720 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3721 #ifdef CONFIG_RK_IOMMU
3722 if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3723 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3724 (unsigned long *)&phy_addr,
3725 (unsigned long *)&len);
3727 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3729 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3732 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3733 goto err_share_dma_buf;
3735 fbi->fix.smem_start = phy_addr;
3736 fbi->fix.smem_len = len;
3737 pr_info("alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3741 ion_free(rk_fb->ion_client, handle);
3746 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3748 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3749 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3750 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3751 struct rk_lcdc_win *win = NULL;
3754 unsigned long fb_mem_size;
3755 #if !defined(CONFIG_ION_ROCKCHIP)
3756 dma_addr_t fb_mem_phys;
3759 ion_phys_addr_t phy_addr;
3762 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3766 win = dev_drv->win[win_id];
3768 if (!strcmp(fbi->fix.id, "fb0")) {
3769 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3770 #if defined(CONFIG_ION_ROCKCHIP)
3771 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3774 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3775 &fb_mem_phys, GFP_KERNEL);
3777 pr_err("%s: Failed to allocate framebuffer\n",
3781 fbi->fix.smem_len = fb_mem_size;
3782 fbi->fix.smem_start = fb_mem_phys;
3783 fbi->screen_base = fb_mem_virt;
3785 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3787 if (dev_drv->prop == EXTEND && dev_drv->iommu_enabled) {
3788 struct rk_lcdc_driver *dev_drv_prmry;
3791 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3792 #if defined(CONFIG_ION_ROCKCHIP)
3793 dev_drv_prmry = rk_get_prmry_lcdc_drv();
3794 if (dev_drv_prmry == NULL)
3797 dev_drv_prmry->ops->fb_get_win_id(dev_drv_prmry,
3799 if (win_id_prmry < 0)
3803 dev_drv_prmry->win[win_id_prmry]->area[0].ion_hdl;
3805 ion_map_kernel(rk_fb->ion_client,
3807 dev_drv->win[win_id]->area[0].ion_hdl =
3809 #ifdef CONFIG_RK_IOMMU
3810 if (dev_drv->mmu_dev)
3811 ret = ion_map_iommu(dev_drv->dev,
3814 (unsigned long *)&phy_addr,
3815 (unsigned long *)&len);
3817 ret = ion_phys(rk_fb->ion_client,
3822 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3825 fbi->fix.smem_start = phy_addr;
3826 fbi->fix.smem_len = len;
3828 fb_mem_virt = dma_alloc_writecombine(fbi->dev,
3833 pr_err("%s: Failed to allocate framebuffer\n",
3837 fbi->fix.smem_len = fb_mem_size;
3838 fbi->fix.smem_start = fb_mem_phys;
3839 fbi->screen_base = fb_mem_virt;
3842 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3843 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3844 fbi->screen_base = rk_fb->fb[0]->screen_base;
3848 fbi->screen_size = fbi->fix.smem_len;
3849 fb_par->fb_phy_base = fbi->fix.smem_start;
3850 fb_par->fb_virt_base = fbi->screen_base;
3851 fb_par->fb_size = fbi->fix.smem_len;
3853 pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3854 fbi->fix.smem_start, fbi->screen_base,
3860 static int rk_release_fb_buffer(struct fb_info *fbi)
3862 /* buffer for fb1 and fb3 are alloc by android */
3863 if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3865 iounmap(fbi->screen_base);
3866 release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3871 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3872 struct rk_lcdc_win *def_win)
3875 int lcdc_win_num = dev_drv->lcdc_win_num;
3877 for (i = 0; i < lcdc_win_num; i++) {
3878 struct rk_lcdc_win *win = NULL;
3880 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3882 dev_err(dev_drv->dev, "kzmalloc for win fail!");
3886 strcpy(win->name, def_win[i].name);
3887 win->id = def_win[i].id;
3888 win->support_3d = def_win[i].support_3d;
3889 dev_drv->win[i] = win;
3895 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3896 struct rk_lcdc_win *def_win, int index)
3898 struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3899 struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3900 sizeof(struct rk_screen),
3905 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3910 screen->screen_id = 0;
3911 screen->lcdc_id = dev_drv->id;
3912 screen->overscan.left = 100;
3913 screen->overscan.top = 100;
3914 screen->overscan.right = 100;
3915 screen->overscan.bottom = 100;
3917 screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3918 screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3920 dev_drv->screen0 = screen;
3921 dev_drv->cur_screen = screen;
3922 /* devie use one lcdc + rk61x scaler for dual display */
3923 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3924 struct rk_screen *screen1 =
3925 devm_kzalloc(dev_drv->dev,
3926 sizeof(struct rk_screen),
3929 dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3933 screen1->screen_id = 1;
3934 screen1->lcdc_id = 1;
3935 dev_drv->screen1 = screen1;
3937 sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3938 init_lcdc_win(dev_drv, def_win);
3939 init_completion(&dev_drv->frame_done);
3940 spin_lock_init(&dev_drv->cpl_lock);
3941 mutex_init(&dev_drv->fb_win_id_mutex);
3942 mutex_init(&dev_drv->win_config);
3943 mutex_init(&dev_drv->front_lock);
3944 mutex_init(&dev_drv->switch_screen);
3945 dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3946 dev_drv->first_frame = 1;
3947 dev_drv->overscan.left = 100;
3948 dev_drv->overscan.top = 100;
3949 dev_drv->overscan.right = 100;
3950 dev_drv->overscan.bottom = 100;
3951 for (i = 0; i < RK30_MAX_LAYER_SUPPORT; i++)
3952 dev_drv->area_support[i] = 1;
3953 if (dev_drv->ops->area_support_num)
3954 dev_drv->ops->area_support_num(dev_drv, dev_drv->area_support);
3955 rk_disp_pwr_ctr_parse_dt(dev_drv);
3956 if (dev_drv->prop == PRMRY) {
3957 rk_fb_set_prmry_screen(screen);
3958 rk_fb_get_prmry_screen(screen);
3960 dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3961 if (dev_drv->prop != PRMRY)
3962 rk_fb_get_extern_screen(screen);
3963 dev_drv->output_color = screen->color_mode;
3968 #ifdef CONFIG_LOGO_LINUX_BMP
3969 static struct linux_logo *bmp_logo;
3970 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3972 bmp_logo = fb_find_logo(24);
3973 if (bmp_logo == NULL) {
3974 pr_info("%s error\n", __func__);
3980 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3982 unsigned char *src = bmp_logo->data;
3983 unsigned char *dst = info->screen_base;
3985 unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3986 unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3988 for (i = 0; i < Needheight; i++)
3989 memcpy(dst + info->var.xres * i * 4,
3990 src + bmp_logo->width * i * 4, Needwidth * 4);
3995 * check if the primary lcdc has registered,
3996 * the primary lcdc mas register first
3998 bool is_prmry_rk_lcdc_registered(void)
4000 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4002 if (rk_fb->lcdc_dev_drv[0])
4008 __weak phys_addr_t uboot_logo_base;
4009 __weak phys_addr_t uboot_logo_size;
4010 __weak phys_addr_t uboot_logo_offset;
4012 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
4013 struct rk_lcdc_win *win, int id)
4015 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4016 struct fb_info *fbi;
4017 struct rk_fb_par *fb_par = NULL;
4018 int i = 0, ret = 0, index = 0;
4019 unsigned long flags;
4021 if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
4024 for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
4025 if (!rk_fb->lcdc_dev_drv[i]) {
4026 rk_fb->lcdc_dev_drv[i] = dev_drv;
4027 rk_fb->lcdc_dev_drv[i]->id = id;
4034 init_lcdc_device_driver(rk_fb, win, index);
4035 dev_drv->fb_index_base = rk_fb->num_fb;
4036 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
4037 fbi = framebuffer_alloc(0, &fb_pdev->dev);
4039 dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
4042 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
4045 dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
4049 fb_par->id = rk_fb->num_fb;
4050 fb_par->lcdc_drv = dev_drv;
4051 fbi->par = (void *)fb_par;
4054 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
4055 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
4056 fbi->var.grayscale |=
4057 (fbi->var.xres << 8) + (fbi->var.yres << 20);
4058 #if defined(CONFIG_LOGO_LINUX_BMP)
4059 fbi->var.bits_per_pixel = 32;
4061 fbi->var.bits_per_pixel = 16;
4063 fbi->fix.line_length =
4064 (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
4065 fbi->var.width = dev_drv->cur_screen->width;
4066 fbi->var.height = dev_drv->cur_screen->height;
4067 if (dev_drv->iommu_enabled)
4068 fb_ops.fb_mmap = rk_fb_mmap;
4069 fbi->fbops = &fb_ops;
4070 fbi->flags = FBINFO_FLAG_DEFAULT;
4071 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
4072 ret = register_framebuffer(fbi);
4074 dev_err(&fb_pdev->dev,
4075 "%s fb%d register_framebuffer fail!\n",
4076 __func__, rk_fb->num_fb);
4079 rkfb_create_sysfs(fbi);
4080 rk_fb->fb[rk_fb->num_fb] = fbi;
4081 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
4086 init_waitqueue_head(&dev_drv->vsync_info.wait);
4087 init_waitqueue_head(&dev_drv->update_regs_wait);
4088 ret = device_create_file(fbi->dev, &dev_attr_vsync);
4091 "failed to create vsync file\n");
4092 dev_drv->vsync_info.thread =
4093 kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
4095 if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
4097 "failed to run vsync thread\n");
4098 dev_drv->vsync_info.thread = NULL;
4100 dev_drv->vsync_info.active = 1;
4102 mutex_init(&dev_drv->output_lock);
4104 INIT_LIST_HEAD(&dev_drv->update_regs_list);
4105 mutex_init(&dev_drv->update_regs_list_lock);
4106 init_kthread_worker(&dev_drv->update_regs_worker);
4108 dev_drv->update_regs_thread =
4109 kthread_run(kthread_worker_fn,
4110 &dev_drv->update_regs_worker, "rk-fb");
4111 if (IS_ERR(dev_drv->update_regs_thread)) {
4112 int err = PTR_ERR(dev_drv->update_regs_thread);
4114 dev_drv->update_regs_thread = NULL;
4115 pr_info("failed to run update_regs thread\n");
4118 init_kthread_work(&dev_drv->update_regs_work,
4119 rk_fb_update_regs_handler);
4122 sw_sync_timeline_create("fb-timeline");
4123 dev_drv->timeline_max = 1;
4127 /* show logo for primary display device */
4128 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
4129 if (dev_drv->prop == PRMRY) {
4133 struct fb_info *main_fbi = rk_fb->fb[0];
4135 main_fbi->fbops->fb_open(main_fbi, 1);
4136 main_fbi->var.pixclock = dev_drv->pixclock;
4137 #if defined(CONFIG_RK_IOMMU)
4138 if (dev_drv->iommu_enabled) {
4139 if (dev_drv->mmu_dev)
4140 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4141 rk_fb_sysmmu_fault_handler);
4145 rk_fb_alloc_buffer(main_fbi); /* only alloc memory for main fb */
4146 dev_drv->uboot_logo = support_uboot_display();
4148 if (dev_drv->uboot_logo &&
4149 uboot_logo_offset && uboot_logo_base) {
4150 int width, height, bits;
4151 phys_addr_t start = uboot_logo_base + uboot_logo_offset;
4152 unsigned int size = uboot_logo_size - uboot_logo_offset;
4153 unsigned int nr_pages;
4155 struct page **pages;
4159 if (dev_drv->ops->get_dspbuf_info)
4160 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4161 &yact, &format, &dsp_addr, &ymirror);
4162 nr_pages = size >> PAGE_SHIFT;
4163 pages = kzalloc(sizeof(struct page) * nr_pages,
4165 while (i < nr_pages) {
4166 pages[i] = phys_to_page(start);
4170 vaddr = vmap(pages, nr_pages, VM_MAP,
4171 pgprot_writecombine(PAGE_KERNEL));
4173 pr_err("failed to vmap phy addr 0x%lx\n",
4174 (long)(uboot_logo_base +
4175 uboot_logo_offset));
4179 if (bmpdecoder(vaddr, main_fbi->screen_base, &width,
4187 if (dev_drv->uboot_logo &&
4188 (width != xact || height != yact)) {
4189 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
4190 xact, yact, width, height);
4193 local_irq_save(flags);
4194 if (dev_drv->ops->wait_frame_start)
4195 dev_drv->ops->wait_frame_start(dev_drv, 0);
4196 if (dev_drv->ops->post_dspbuf) {
4197 dev_drv->ops->post_dspbuf(dev_drv,
4198 main_fbi->fix.smem_start,
4199 rk_fb_data_fmt(0, bits),
4200 width, height, width * bits >> 5,
4203 if (dev_drv->iommu_enabled) {
4204 rk_fb_poll_wait_frame_complete();
4205 if (dev_drv->ops->mmu_en)
4206 dev_drv->ops->mmu_en(dev_drv);
4209 local_irq_restore(flags);
4211 } else if (dev_drv->uboot_logo && uboot_logo_base) {
4212 u32 start = uboot_logo_base;
4215 unsigned int nr_pages;
4216 struct page **pages;
4220 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4224 logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
4225 if (logo_len > uboot_logo_size ||
4226 logo_len > main_fbi->fix.smem_len) {
4227 pr_err("logo size > uboot reserve buffer size\n");
4233 align = start % PAGE_SIZE;
4235 nr_pages = PAGE_ALIGN(logo_len + align) >> PAGE_SHIFT;
4236 pages = kzalloc(sizeof(struct page) * nr_pages,
4238 while (i < nr_pages) {
4239 pages[i] = phys_to_page(start);
4243 vaddr = vmap(pages, nr_pages, VM_MAP,
4244 pgprot_writecombine(PAGE_KERNEL));
4246 pr_err("failed to vmap phy addr 0x%x\n",
4251 memcpy(main_fbi->screen_base, vaddr + align, logo_len);
4255 local_irq_save(flags);
4256 if (dev_drv->ops->wait_frame_start)
4257 dev_drv->ops->wait_frame_start(dev_drv, 0);
4258 dev_drv->ops->post_dspbuf(dev_drv,
4259 main_fbi->fix.smem_start +
4260 (y_mirror ? logo_len : 0),
4262 xact * rk_fb_pixel_width(format) >> 5,
4264 if (dev_drv->iommu_enabled) {
4265 rk_fb_poll_wait_frame_complete();
4266 if (dev_drv->ops->mmu_en)
4267 dev_drv->ops->mmu_en(dev_drv);
4270 local_irq_restore(flags);
4273 if (dev_drv->iommu_enabled) {
4274 if (dev_drv->ops->mmu_en)
4275 dev_drv->ops->mmu_en(dev_drv);
4279 #if defined(CONFIG_LOGO)
4280 main_fbi->fbops->fb_set_par(main_fbi);
4281 #if defined(CONFIG_LOGO_LINUX_BMP)
4282 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
4283 fb_set_cmap(&main_fbi->cmap, main_fbi);
4284 fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
4287 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
4288 fb_set_cmap(&main_fbi->cmap, main_fbi);
4289 fb_show_logo(main_fbi, FB_ROTATE_UR);
4292 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
4295 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
4297 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
4298 extend_fbi->fbops->fb_open(extend_fbi, 1);
4299 #if defined(CONFIG_RK_IOMMU)
4300 if (dev_drv->iommu_enabled) {
4301 if (dev_drv->mmu_dev)
4302 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4303 rk_fb_sysmmu_fault_handler);
4306 rk_fb_alloc_buffer(extend_fbi);
4312 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
4314 struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
4315 struct fb_info *fbi;
4316 int fb_index_base = dev_drv->fb_index_base;
4317 int fb_num = dev_drv->lcdc_win_num;
4320 if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4321 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4322 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4325 for (i = 0; i < fb_num; i++)
4326 kfree(dev_drv->win[i]);
4328 for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4329 fbi = fb_inf->fb[i];
4330 unregister_framebuffer(fbi);
4331 /* rk_release_fb_buffer(fbi); */
4332 framebuffer_release(fbi);
4334 fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4340 static int rk_fb_probe(struct platform_device *pdev)
4342 struct rk_fb *rk_fb = NULL;
4343 struct device_node *np = pdev->dev.of_node;
4347 dev_err(&pdev->dev, "Missing device tree node.\n");
4351 rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4353 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4356 platform_set_drvdata(pdev, rk_fb);
4358 if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4359 rk_fb->disp_mode = mode;
4362 dev_err(&pdev->dev, "no disp-mode node found!");
4366 if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
4367 rk_fb->disp_policy = mode;
4368 pr_info("fb disp policy is %s\n",
4369 rk_fb->disp_policy ? "box" : "sdk");
4372 if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4373 pr_info("uboot-logo-on:%d\n", uboot_logo_on);
4375 dev_set_name(&pdev->dev, "rockchip-fb");
4376 #if defined(CONFIG_ION_ROCKCHIP)
4377 rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4378 if (IS_ERR(rk_fb->ion_client)) {
4379 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4380 return PTR_ERR(rk_fb->ion_client);
4382 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4387 dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4391 static int rk_fb_remove(struct platform_device *pdev)
4393 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4396 platform_set_drvdata(pdev, NULL);
4400 static void rk_fb_shutdown(struct platform_device *pdev)
4402 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4405 for (i = 0; i < rk_fb->num_lcdc; i++) {
4406 if (!rk_fb->lcdc_dev_drv[i])
4408 sw_sync_timeline_inc(rk_fb->lcdc_dev_drv[i]->timeline, 1);
4412 static const struct of_device_id rkfb_dt_ids[] = {
4413 {.compatible = "rockchip,rk-fb",},
4417 static struct platform_driver rk_fb_driver = {
4418 .probe = rk_fb_probe,
4419 .remove = rk_fb_remove,
4422 .owner = THIS_MODULE,
4423 .of_match_table = of_match_ptr(rkfb_dt_ids),
4425 .shutdown = rk_fb_shutdown,
4428 static int __init rk_fb_init(void)
4430 return platform_driver_register(&rk_fb_driver);
4433 static void __exit rk_fb_exit(void)
4435 platform_driver_unregister(&rk_fb_driver);
4438 fs_initcall(rk_fb_init);
4439 module_exit(rk_fb_exit);