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)) \
86 printk(KERN_INFO x); \
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 printk(KERN_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;
139 case SCREEN_DUAL_LVDS:
140 case SCREEN_LVDS_10BIT:
141 case SCREEN_DUAL_LVDS_10BIT:
148 case SCREEN_DUAL_MIPI:
153 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
160 int rk_fb_pixel_width(int data_format)
163 switch (data_format) {
191 printk(KERN_WARNING "%s:un supported format:0x%x\n",
192 __func__, data_format);
198 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
202 switch (data_format) {
203 case HAL_PIXEL_FORMAT_RGBX_8888:
204 fb_data_fmt = XBGR888;
206 case HAL_PIXEL_FORMAT_RGBA_8888:
207 fb_data_fmt = ABGR888;
209 case HAL_PIXEL_FORMAT_BGRA_8888:
210 fb_data_fmt = ARGB888;
212 case HAL_PIXEL_FORMAT_RGB_888:
213 fb_data_fmt = RGB888;
215 case HAL_PIXEL_FORMAT_RGB_565:
216 fb_data_fmt = RGB565;
218 case HAL_PIXEL_FORMAT_YCbCr_422_SP: /* yuv422 */
219 fb_data_fmt = YUV422;
221 case HAL_PIXEL_FORMAT_YCrCb_420_SP: /* YUV420---vuvuvu */
222 fb_data_fmt = YUV420_NV21;
224 case HAL_PIXEL_FORMAT_YCrCb_NV12: /* YUV420---uvuvuv */
225 fb_data_fmt = YUV420;
227 case HAL_PIXEL_FORMAT_YCrCb_444: /* yuv444 */
228 fb_data_fmt = YUV444;
230 case HAL_PIXEL_FORMAT_YCrCb_NV12_10: /* yuv444 */
231 fb_data_fmt = YUV420_A;
233 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10: /* yuv444 */
234 fb_data_fmt = YUV422_A;
236 case HAL_PIXEL_FORMAT_YCrCb_444_SP_10: /* yuv444 */
237 fb_data_fmt = YUV444_A;
239 case HAL_PIXEL_FORMAT_FBDC_RGB565: /* fbdc rgb565*/
240 fb_data_fmt = FBDC_RGB_565;
242 case HAL_PIXEL_FORMAT_FBDC_U8U8U8U8: /* fbdc argb888 */
243 fb_data_fmt = FBDC_ARGB_888;
245 case HAL_PIXEL_FORMAT_FBDC_RGBA888: /* fbdc abgr888 */
246 fb_data_fmt = FBDC_ABGR_888;
248 case HAL_PIXEL_FORMAT_FBDC_U8U8U8: /* fbdc rgb888 */
249 fb_data_fmt = FBDC_RGBX_888;
252 printk(KERN_WARNING "%s:un supported format:0x%x\n",
253 __func__, data_format);
257 switch (bits_per_pixel) {
259 fb_data_fmt = ARGB888;
262 fb_data_fmt = RGB888;
265 fb_data_fmt = RGB565;
269 "%s:un supported bits_per_pixel:%d\n", __func__,
278 * rk display power control parse from dts
280 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
282 struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
284 struct device_node *child;
285 struct rk_disp_pwr_ctr_list *pwr_ctr;
286 struct list_head *pos;
287 enum of_gpio_flags flags;
292 INIT_LIST_HEAD(&dev_drv->pwrlist_head);
294 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
299 for_each_child_of_node(root, child) {
300 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
302 strcpy(pwr_ctr->pwr_ctr.name, child->name);
303 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
305 pwr_ctr->pwr_ctr.type = GPIO;
306 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
307 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
308 dev_err(dev_drv->dev, "%s ivalid gpio\n",
312 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
313 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
316 dev_err(dev_drv->dev,
317 "request %s gpio fail:%d\n",
322 pwr_ctr->pwr_ctr.type = REGULATOR;
323 pwr_ctr->pwr_ctr.rgl_name = NULL;
324 ret = of_property_read_string(child, "rockchip,regulator_name",
325 &(pwr_ctr->pwr_ctr.rgl_name));
326 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
327 dev_err(dev_drv->dev, "get regulator name failed!\n");
328 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
329 pwr_ctr->pwr_ctr.volt = val;
331 pwr_ctr->pwr_ctr.volt = 0;
335 if (!of_property_read_u32(child, "rockchip,delay", &val))
336 pwr_ctr->pwr_ctr.delay = val;
338 pwr_ctr->pwr_ctr.delay = 0;
339 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
342 of_property_read_u32(root, "rockchip,debug", &debug);
345 list_for_each(pos, &dev_drv->pwrlist_head) {
346 pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
348 printk(KERN_INFO "pwr_ctr_name:%s\n"
353 pwr_ctr->pwr_ctr.name,
354 (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
355 pwr_ctr->pwr_ctr.gpio,
356 pwr_ctr->pwr_ctr.atv_val,
357 pwr_ctr->pwr_ctr.delay);
365 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
367 struct list_head *pos;
368 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
369 struct pwr_ctr *pwr_ctr;
370 struct regulator *regulator_lcd = NULL;
373 if (list_empty(&dev_drv->pwrlist_head))
375 list_for_each(pos, &dev_drv->pwrlist_head) {
376 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
378 pwr_ctr = &pwr_ctr_list->pwr_ctr;
379 if (pwr_ctr->type == GPIO) {
380 gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
381 mdelay(pwr_ctr->delay);
382 } else if (pwr_ctr->type == REGULATOR) {
383 if (pwr_ctr->rgl_name)
384 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
385 if (regulator_lcd == NULL) {
386 dev_err(dev_drv->dev,
387 "%s: regulator get failed,regulator name:%s\n",
388 __func__, pwr_ctr->rgl_name);
391 regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
392 while (!regulator_is_enabled(regulator_lcd)) {
393 if (regulator_enable(regulator_lcd) == 0 || count == 0)
396 dev_err(dev_drv->dev,
397 "regulator_enable failed,count=%d\n",
401 regulator_put(regulator_lcd);
402 msleep(pwr_ctr->delay);
409 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
411 struct list_head *pos;
412 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
413 struct pwr_ctr *pwr_ctr;
414 struct regulator *regulator_lcd = NULL;
417 if (list_empty(&dev_drv->pwrlist_head))
419 list_for_each(pos, &dev_drv->pwrlist_head) {
420 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
422 pwr_ctr = &pwr_ctr_list->pwr_ctr;
423 if (pwr_ctr->type == GPIO) {
424 gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
425 } else if (pwr_ctr->type == REGULATOR) {
426 if (pwr_ctr->rgl_name)
427 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
428 if (regulator_lcd == NULL) {
429 dev_err(dev_drv->dev,
430 "%s: regulator get failed,regulator name:%s\n",
431 __func__, pwr_ctr->rgl_name);
434 while (regulator_is_enabled(regulator_lcd) > 0) {
435 if (regulator_disable(regulator_lcd) == 0 || count == 0)
438 dev_err(dev_drv->dev,
439 "regulator_disable failed,count=%d\n",
443 regulator_put(regulator_lcd);
449 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
450 struct rk_screen *screen)
452 screen->mode.pixclock = dt->pixelclock.typ;
453 screen->mode.left_margin = dt->hback_porch.typ;
454 screen->mode.right_margin = dt->hfront_porch.typ;
455 screen->mode.xres = dt->hactive.typ;
456 screen->mode.hsync_len = dt->hsync_len.typ;
457 screen->mode.upper_margin = dt->vback_porch.typ;
458 screen->mode.lower_margin = dt->vfront_porch.typ;
459 screen->mode.yres = dt->vactive.typ;
460 screen->mode.vsync_len = dt->vsync_len.typ;
461 screen->type = dt->screen_type;
462 screen->lvds_format = dt->lvds_format;
463 screen->face = dt->face;
464 screen->color_mode = dt->color_mode;
465 screen->dsp_lut = dt->dsp_lut;
466 screen->cabc_lut = dt->cabc_lut;
467 screen->cabc_gamma_base = dt->cabc_gamma_base;
469 if (dt->flags & DISPLAY_FLAGS_INTERLACED)
470 screen->mode.vmode |= FB_VMODE_INTERLACED;
471 if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
472 screen->pin_dclk = 1;
474 screen->pin_dclk = 0;
475 if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
476 screen->pin_hsync = 1;
478 screen->pin_hsync = 0;
479 if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
480 screen->pin_vsync = 1;
482 screen->pin_vsync = 0;
483 if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
492 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
494 struct display_timings *disp_timing;
495 struct display_timing *dt;
496 disp_timing = of_get_display_timings(np);
498 pr_err("parse display timing err\n");
501 dt = display_timings_get(disp_timing, disp_timing->native_mode);
502 rk_fb_video_mode_from_timing(dt, screen);
507 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
510 unsigned long long hz;
512 printk(KERN_ERR "%s:null screen!\n", __func__);
515 x = screen->mode.xres + screen->mode.left_margin +
516 screen->mode.right_margin + screen->mode.hsync_len;
517 y = screen->mode.yres + screen->mode.upper_margin +
518 screen->mode.lower_margin + screen->mode.vsync_len;
520 hz = 1000000000000ULL; /* 1e12 picoseconds per second */
523 do_div(hz, x * y); /* divide by x * y with rounding */
526 do_div(hz, pixclock); /* divide by pixclock with rounding */
531 char *get_format_string(enum data_format format, char *fmt)
537 strcpy(fmt, "ARGB888");
540 strcpy(fmt, "RGB888");
543 strcpy(fmt, "RGB565");
547 strcpy(fmt, "YUV420");
550 strcpy(fmt, "YUV422");
553 strcpy(fmt, "YUV444");
556 strcpy(fmt, "YUV420_A");
559 strcpy(fmt, "YUV422_A");
562 strcpy(fmt, "YUV444_A");
565 strcpy(fmt, "XRGB888");
568 strcpy(fmt, "XBGR888");
571 strcpy(fmt, "ABGR888");
574 strcpy(fmt, "FBDC_RGB_565");
578 strcpy(fmt, "FBDC_ARGB_888");
581 strcpy(fmt, "FBDC_RGBX_888");
584 strcpy(fmt, "invalid");
594 * name: lcdc device name ,lcdc0 , lcdc1
596 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
598 struct rk_fb *inf = NULL;
599 struct rk_lcdc_driver *dev_drv = NULL;
603 inf = platform_get_drvdata(fb_pdev);
607 for (i = 0; i < inf->num_lcdc; i++) {
608 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
609 dev_drv = inf->lcdc_dev_drv[i];
617 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
619 struct rk_fb *inf = NULL;
620 struct rk_lcdc_driver *dev_drv = NULL;
624 inf = platform_get_drvdata(fb_pdev);
628 for (i = 0; i < inf->num_lcdc; i++) {
629 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
630 dev_drv = inf->lcdc_dev_drv[i];
638 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
640 struct rk_fb *inf = NULL;
641 struct rk_lcdc_driver *dev_drv = NULL;
645 inf = platform_get_drvdata(fb_pdev);
649 for (i = 0; i < inf->num_lcdc; i++) {
650 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
651 dev_drv = inf->lcdc_dev_drv[i];
660 * get one frame time of the prmry screen, unit: us
662 u32 rk_fb_get_prmry_screen_ft(void)
664 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
665 uint32_t htotal, vtotal, pixclock_ps;
666 u64 pix_total, ft_us;
668 if (unlikely(!dev_drv))
671 pixclock_ps = dev_drv->pixclock;
673 vtotal = (dev_drv->cur_screen->mode.upper_margin +
674 dev_drv->cur_screen->mode.lower_margin +
675 dev_drv->cur_screen->mode.yres +
676 dev_drv->cur_screen->mode.vsync_len);
677 htotal = (dev_drv->cur_screen->mode.left_margin +
678 dev_drv->cur_screen->mode.right_margin +
679 dev_drv->cur_screen->mode.xres +
680 dev_drv->cur_screen->mode.hsync_len);
681 pix_total = htotal * vtotal;
682 ft_us = pix_total * pixclock_ps;
683 do_div(ft_us, 1000000);
684 if (dev_drv->frame_time.ft == 0)
685 dev_drv->frame_time.ft = ft_us;
687 ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
689 ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
691 dev_drv->frame_time.ft = ft_us;
693 return dev_drv->frame_time.ft;
697 * get the vblanking time of the prmry screen, unit: us
699 u32 rk_fb_get_prmry_screen_vbt(void)
701 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
702 uint32_t htotal, vblank, pixclock_ps;
703 u64 pix_blank, vbt_us;
705 if (unlikely(!dev_drv))
708 pixclock_ps = dev_drv->pixclock;
710 htotal = (dev_drv->cur_screen->mode.left_margin +
711 dev_drv->cur_screen->mode.right_margin +
712 dev_drv->cur_screen->mode.xres +
713 dev_drv->cur_screen->mode.hsync_len);
714 vblank = (dev_drv->cur_screen->mode.upper_margin +
715 dev_drv->cur_screen->mode.lower_margin +
716 dev_drv->cur_screen->mode.vsync_len);
717 pix_blank = htotal * vblank;
718 vbt_us = pix_blank * pixclock_ps;
719 do_div(vbt_us, 1000000);
724 * get the frame done time of the prmry screen, unit: us
726 u64 rk_fb_get_prmry_screen_framedone_t(void)
728 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
730 if (unlikely(!dev_drv))
733 return dev_drv->frame_time.framedone_t;
737 * set prmry screen status
739 int rk_fb_set_prmry_screen_status(int status)
741 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
742 struct rk_screen *screen;
744 if (unlikely(!dev_drv))
747 screen = dev_drv->cur_screen;
749 case SCREEN_PREPARE_DDR_CHANGE:
750 if (screen->type == SCREEN_MIPI
751 || screen->type == SCREEN_DUAL_MIPI) {
752 if (dev_drv->trsm_ops->dsp_pwr_off)
753 dev_drv->trsm_ops->dsp_pwr_off();
756 case SCREEN_UNPREPARE_DDR_CHANGE:
757 if (screen->type == SCREEN_MIPI
758 || screen->type == SCREEN_DUAL_MIPI) {
759 if (dev_drv->trsm_ops->dsp_pwr_on)
760 dev_drv->trsm_ops->dsp_pwr_on();
770 u32 rk_fb_get_prmry_screen_pixclock(void)
772 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
774 if (unlikely(!dev_drv))
777 return dev_drv->pixclock;
780 int rk_fb_poll_prmry_screen_vblank(void)
782 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
784 if (likely(dev_drv)) {
785 if (dev_drv->ops->poll_vblank)
786 return dev_drv->ops->poll_vblank(dev_drv);
788 return RK_LF_STATUS_NC;
790 return RK_LF_STATUS_NC;
794 bool rk_fb_poll_wait_frame_complete(void)
796 uint32_t timeout = RK_LF_MAX_TIMEOUT;
797 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
799 if (likely(dev_drv)) {
800 if (dev_drv->ops->set_irq_to_cpu)
801 dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
804 if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
805 if (likely(dev_drv)) {
806 if (dev_drv->ops->set_irq_to_cpu)
807 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
811 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
813 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
815 if (likely(dev_drv)) {
816 if (dev_drv->ops->set_irq_to_cpu)
817 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
824 /* rk_fb_get_sysmmu_device_by_compatible()
825 * @compt: dts device compatible name
826 * return value: success: pointer to the device inside of platform device
829 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
831 struct device_node *dn = NULL;
832 struct platform_device *pd = NULL;
833 struct device *ret = NULL ;
835 dn = of_find_compatible_node(NULL, NULL, compt);
837 printk("can't find device node %s \r\n", compt);
841 pd = of_find_device_by_node(dn);
843 printk("can't find platform device in device node %s \r\n", compt);
851 #ifdef CONFIG_IOMMU_API
852 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
854 dev->archdata.iommu = sysmmu;
857 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
863 static int rk_fb_open(struct fb_info *info, int user)
865 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
866 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
869 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
871 /* if this win aready opened ,no need to reopen */
872 if (dev_drv->win[win_id]->state)
875 dev_drv->ops->open(dev_drv, win_id, 1);
879 static int rk_fb_close(struct fb_info *info, int user)
881 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
882 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
883 struct rk_lcdc_win *win = NULL;
884 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
887 win = dev_drv->win[win_id];
890 if (!fb_par->state) {
891 if (fb_par->fb_phy_base > 0)
892 info->fix.smem_start = fb_par->fb_phy_base;
893 info->var.xres = dev_drv->screen0->mode.xres;
894 info->var.yres = dev_drv->screen0->mode.yres;
896 info->var.grayscale |=
897 (info->var.xres << 8) + (info->var.yres << 20);
899 info->var.xres_virtual = info->var.xres;
900 info->var.yres_virtual = info->var.yres;
901 #if defined(CONFIG_LOGO_LINUX_BMP)
902 info->var.bits_per_pixel = 32;
904 info->var.bits_per_pixel = 16;
906 info->fix.line_length =
907 (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
908 info->var.width = dev_drv->screen0->width;
909 info->var.height = dev_drv->screen0->height;
910 info->var.pixclock = dev_drv->pixclock;
911 info->var.left_margin = dev_drv->screen0->mode.left_margin;
912 info->var.right_margin = dev_drv->screen0->mode.right_margin;
913 info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
914 info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
915 info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
916 info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
923 #if defined(FB_ROATE_BY_KERNEL)
925 #if defined(CONFIG_RK29_IPP)
926 static int get_ipp_format(int fmt)
928 int ipp_fmt = IPP_XRGB_8888;
930 case HAL_PIXEL_FORMAT_RGBX_8888:
931 case HAL_PIXEL_FORMAT_RGBA_8888:
932 case HAL_PIXEL_FORMAT_BGRA_8888:
933 case HAL_PIXEL_FORMAT_RGB_888:
934 ipp_fmt = IPP_XRGB_8888;
936 case HAL_PIXEL_FORMAT_RGB_565:
937 ipp_fmt = IPP_RGB_565;
939 case HAL_PIXEL_FORMAT_YCbCr_422_SP:
940 ipp_fmt = IPP_Y_CBCR_H2V1;
942 case HAL_PIXEL_FORMAT_YCrCb_NV12:
943 ipp_fmt = IPP_Y_CBCR_H2V2;
945 case HAL_PIXEL_FORMAT_YCrCb_444:
946 ipp_fmt = IPP_Y_CBCR_H1V1;
949 ipp_fmt = IPP_IMGTYPE_LIMIT;
956 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
957 int rotation, int fmt)
962 if (fmt == IPP_XRGB_8888) {
965 } else if (fmt == IPP_RGB_565) {
972 align16 -= 1; /*for YUV, 1 */
973 align64 -= 1; /*for YUV, 7 */
975 if (rotation == IPP_ROT_0) {
976 if (fmt > IPP_RGB_565) {
977 if ((*dst_w & 1) != 0)
979 if ((*dst_h & 1) != 0)
981 if (*dst_vir_w < *dst_w)
985 if ((*dst_w & align64) != 0)
986 *dst_w = (*dst_w + align64) & (~align64);
987 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
989 if (*dst_vir_w < *dst_w)
994 static void fb_copy_by_ipp(struct fb_info *dst_info,
995 struct fb_info *src_info)
997 struct rk29_ipp_req ipp_req;
998 uint32_t rotation = 0;
999 int dst_w, dst_h, dst_vir_w;
1001 u8 data_format = (dst_info->var.nonstd) & 0xff;
1002 struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
1003 struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
1004 u16 orientation = ext_dev_drv->rotate_mode;
1006 memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
1008 switch (orientation) {
1010 rotation = IPP_ROT_0;
1013 rotation = IPP_ROT_90;
1016 rotation = IPP_ROT_180;
1019 rotation = IPP_ROT_270;
1022 rotation = IPP_ROT_270;
1026 dst_w = dst_info->var.xres;
1027 dst_h = dst_info->var.yres;
1028 dst_vir_w = dst_info->var.xres_virtual;
1029 ipp_fmt = get_ipp_format(data_format);
1030 ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1031 ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1032 ipp_req.src0.w = src_info->var.xres;
1033 ipp_req.src0.h = src_info->var.yres;
1034 ipp_req.src_vir_w = src_info->var.xres_virtual;
1035 ipp_req.src0.fmt = ipp_fmt;
1037 ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1038 ipp_req.dst0.w = dst_w;
1039 ipp_req.dst0.h = dst_h;
1040 ipp_req.dst_vir_w = dst_vir_w;
1041 ipp_req.dst0.fmt = ipp_fmt;
1043 ipp_req.timeout = 100;
1044 ipp_req.flag = rotation;
1045 ipp_blit_sync(&ipp_req);
1050 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1051 static int get_rga_format(int fmt)
1057 rga_fmt = RK_FORMAT_RGBX_8888;
1060 rga_fmt = RK_FORMAT_RGBA_8888;
1063 rga_fmt = RK_FORMAT_BGRA_8888;
1066 rga_fmt = RK_FORMAT_RGB_888;
1069 rga_fmt = RK_FORMAT_RGB_565;
1072 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1075 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1078 rga_fmt = RK_FORMAT_RGBA_8888;
1085 static void rga_win_check(struct rk_lcdc_win *dst_win,
1086 struct rk_lcdc_win *src_win)
1090 format = get_rga_format(src_win->area[0].format);
1091 /* width and height must be even number */
1092 if (format >= RK_FORMAT_YCbCr_422_SP &&
1093 format <= RK_FORMAT_YCrCb_420_P) {
1094 if ((src_win->area[0].xact % 2) != 0)
1095 src_win->area[0].xact += 1;
1096 if ((src_win->area[0].yact % 2) != 0)
1097 src_win->area[0].yact += 1;
1099 if (src_win->area[0].xvir < src_win->area[0].xact)
1100 src_win->area[0].xvir = src_win->area[0].xact;
1101 if (src_win->area[0].yvir < src_win->area[0].yact)
1102 src_win->area[0].yvir = src_win->area[0].yact;
1104 format = get_rga_format(dst_win->area[0].format);
1105 if (format >= RK_FORMAT_YCbCr_422_SP &&
1106 format <= RK_FORMAT_YCrCb_420_P) {
1107 if ((dst_win->area[0].xact % 2) != 0)
1108 dst_win->area[0].xact += 1;
1109 if ((dst_win->area[0].yact % 2) != 0)
1110 dst_win->area[0].yact += 1;
1112 if (dst_win->area[0].xvir < dst_win->area[0].xact)
1113 dst_win->area[0].xvir = dst_win->area[0].xact;
1114 if (dst_win->area[0].yvir < dst_win->area[0].yact)
1115 dst_win->area[0].yvir = dst_win->area[0].yact;
1118 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1119 struct rk_lcdc_win *src_win,
1120 u16 orientation, int iommu_en)
1122 struct rga_req Rga_Request;
1126 memset(&Rga_Request, 0, sizeof(Rga_Request));
1127 rga_win_check(dst_win, src_win);
1129 switch (orientation) {
1131 Rga_Request.rotate_mode = 1;
1132 Rga_Request.sina = 65536;
1133 Rga_Request.cosa = 0;
1134 Rga_Request.dst.act_w = dst_win->area[0].yact;
1135 Rga_Request.dst.act_h = dst_win->area[0].xact;
1136 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1137 Rga_Request.dst.y_offset = 0;
1140 Rga_Request.rotate_mode = 1;
1141 Rga_Request.sina = 0;
1142 Rga_Request.cosa = -65536;
1143 Rga_Request.dst.act_w = dst_win->area[0].xact;
1144 Rga_Request.dst.act_h = dst_win->area[0].yact;
1145 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1146 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1149 Rga_Request.rotate_mode = 1;
1150 Rga_Request.sina = -65536;
1151 Rga_Request.cosa = 0;
1152 Rga_Request.dst.act_w = dst_win->area[0].yact;
1153 Rga_Request.dst.act_h = dst_win->area[0].xact;
1154 Rga_Request.dst.x_offset = 0;
1155 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1158 Rga_Request.rotate_mode = 0;
1159 Rga_Request.dst.act_w = dst_win->area[0].xact;
1160 Rga_Request.dst.act_h = dst_win->area[0].yact;
1161 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1162 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1167 fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1168 Rga_Request.src.yrgb_addr = fd;
1169 fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1170 Rga_Request.dst.yrgb_addr = fd;
1172 Rga_Request.src.yrgb_addr = 0;
1173 Rga_Request.src.uv_addr =
1174 src_win->area[0].smem_start + src_win->area[0].y_offset;
1175 Rga_Request.src.v_addr = 0;
1177 Rga_Request.dst.yrgb_addr = 0;
1178 Rga_Request.dst.uv_addr =
1179 dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1180 Rga_Request.dst.v_addr = 0;
1182 Rga_Request.src.vir_w = src_win->area[0].xvir;
1183 Rga_Request.src.vir_h = src_win->area[0].yvir;
1184 Rga_Request.src.format = get_rga_format(src_win->area[0].format);
1185 Rga_Request.src.act_w = src_win->area[0].xact;
1186 Rga_Request.src.act_h = src_win->area[0].yact;
1187 Rga_Request.src.x_offset = 0;
1188 Rga_Request.src.y_offset = 0;
1190 Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1191 Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1192 Rga_Request.dst.format = get_rga_format(dst_win->area[0].format);
1194 Rga_Request.clip.xmin = 0;
1195 Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1196 Rga_Request.clip.ymin = 0;
1197 Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1198 Rga_Request.scale_mode = 0;
1199 #if defined(CONFIG_RK_IOMMU)
1201 Rga_Request.mmu_info.mmu_en = 1;
1202 Rga_Request.mmu_info.mmu_flag = 1;
1204 Rga_Request.mmu_info.mmu_en = 0;
1205 Rga_Request.mmu_info.mmu_flag = 0;
1208 Rga_Request.mmu_info.mmu_en = 0;
1209 Rga_Request.mmu_info.mmu_flag = 0;
1212 ret = rga_ioctl_kernel(&Rga_Request);
1216 * This function is used for copying fb by RGA Module
1217 * RGA only support copy RGB to RGB
1218 * RGA2 support copy RGB to RGB and YUV to YUV
1220 static void fb_copy_by_rga(struct fb_info *dst_info,
1221 struct fb_info *src_info)
1223 struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1224 struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1225 struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1226 struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1227 int win_id = 0, ext_win_id;
1228 struct rk_lcdc_win *src_win, *dst_win;
1230 win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1231 src_win = dev_drv->win[win_id];
1234 ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1235 dst_win = ext_dev_drv->win[ext_win_id];
1237 win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1238 ext_dev_drv->iommu_enabled);
1242 static int rk_fb_rotate(struct fb_info *dst_info,
1243 struct fb_info *src_info)
1246 #if defined(CONFIG_RK29_IPP)
1247 fb_copy_by_ipp(dst_info, src_info);
1248 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1249 fb_copy_by_rga(dst_info, src_info);
1256 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1257 struct rk_lcdc_win *src_win,
1258 u16 rotate, int iommu_en)
1260 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1261 win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1270 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1271 struct fb_info *info)
1273 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1274 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1275 struct fb_fix_screeninfo *fix = &info->fix;
1277 struct rk_lcdc_win *win = NULL;
1278 struct rk_screen *screen = dev_drv->cur_screen;
1279 u32 xoffset = var->xoffset;
1280 u32 yoffset = var->yoffset;
1281 u32 xvir = var->xres_virtual;
1284 u32 stride, uv_stride;
1287 u16 uv_x_off, uv_y_off, uv_y_act;
1290 if (dev_drv->suspend_flag)
1292 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1296 win = dev_drv->win[win_id];
1298 pixel_width = rk_fb_pixel_width(win->area[0].format);
1299 vir_width_bit = pixel_width * xvir;
1300 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1301 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1303 switch (win->area[0].format) {
1307 stride = stride_32bit_1;
1308 uv_stride = stride_32bit_1;
1311 fix->line_length = stride;
1312 uv_y_act = win->area[0].yact >> 1;
1314 case YUV420: /* nv12 */
1315 case YUV420_NV21: /* nv21 */
1318 stride = stride_32bit_1;
1319 uv_stride = stride_32bit_1;
1321 uv_y_off = yoffset >> 1;
1322 fix->line_length = stride;
1323 uv_y_act = win->area[0].yact >> 1;
1328 stride = stride_32bit_1;
1329 uv_stride = stride_32bit_2;
1330 uv_x_off = xoffset * 2;
1332 fix->line_length = stride << 2;
1333 uv_y_act = win->area[0].yact;
1336 stride = stride_32bit_1; /* default rgb */
1337 fix->line_length = stride;
1341 /* x y mirror ,jump line */
1342 if ((screen->y_mirror == 1) ||
1343 (win->mirror_en == 1)) {
1344 if (screen->interlace == 1) {
1345 win->area[0].y_offset = yoffset * stride * 2 +
1346 ((win->area[0].yact - 1) * 2 + 1) * stride +
1347 xoffset * pixel_width / 8;
1349 win->area[0].y_offset = yoffset * stride +
1350 (win->area[0].yact - 1) * stride +
1351 xoffset * pixel_width / 8;
1354 if (screen->interlace == 1) {
1355 win->area[0].y_offset =
1356 yoffset * stride * 2 + xoffset * pixel_width / 8;
1358 win->area[0].y_offset =
1359 yoffset * stride + xoffset * pixel_width / 8;
1362 if (is_pic_yuv == 1) {
1363 if ((screen->y_mirror == 1) ||
1364 (win->mirror_en == 1)) {
1365 if (screen->interlace == 1) {
1366 win->area[0].c_offset =
1367 uv_y_off * uv_stride * 2 +
1368 ((uv_y_act - 1) * 2 + 1) * uv_stride +
1369 uv_x_off * pixel_width / 8;
1371 win->area[0].c_offset = uv_y_off * uv_stride +
1372 (uv_y_act - 1) * uv_stride +
1373 uv_x_off * pixel_width / 8;
1376 if (screen->interlace == 1) {
1377 win->area[0].c_offset =
1378 uv_y_off * uv_stride * 2 +
1379 uv_x_off * pixel_width / 8;
1381 win->area[0].c_offset =
1382 uv_y_off * uv_stride +
1383 uv_x_off * pixel_width / 8;
1388 win->area[0].smem_start = fix->smem_start;
1389 win->area[0].cbr_start = fix->mmio_start;
1390 win->area[0].state = 1;
1393 dev_drv->ops->pan_display(dev_drv, win_id);
1395 #ifdef CONFIG_FB_MIRRORING
1396 if (video_data_to_mirroring)
1397 video_data_to_mirroring(info, NULL);
1399 /*if not want the config effect,set reserved[3] bit[0] 1*/
1400 if (likely((var->reserved[3] & 0x1) == 0))
1401 dev_drv->ops->cfg_done(dev_drv);
1402 if (dev_drv->hdmi_switch)
1407 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1411 i = list_empty(&dev_drv->update_regs_list);
1412 j = list_empty(&dev_drv->saved_list);
1413 return i == j ? 0 : 1;
1416 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1418 int err = sync_fence_wait(fence, 1000);
1424 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1427 printk("error waiting on fence\n");
1430 static int rk_fb_copy_from_loader(struct fb_info *info)
1432 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1433 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1434 void *dst = info->screen_base;
1439 struct rk_lcdc_win *win;
1441 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1442 win = dev_drv->win[win_id];
1443 size = (win->area[0].xact) * (win->area[0].yact) << 2;
1444 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1445 src = dsp_addr[win_id];
1446 dev_info(info->dev, "copy fb data %d x %d from dst_addr:%08x\n",
1447 win->area[0].xact, win->area[0].yact, src);
1448 for (i = 0; i < size; i += PAGE_SIZE) {
1449 void *page = phys_to_page(i + src);
1450 void *from_virt = kmap(page);
1451 void *to_virt = dst + i;
1452 memcpy(to_virt, from_virt, PAGE_SIZE);
1454 dev_drv->ops->direct_set_addr(dev_drv, win_id,
1455 info->fix.smem_start);
1459 #ifdef CONFIG_RK_IOMMU
1460 static int g_last_addr[5][4];
1461 static int g_now_config_addr[5][4];
1462 static int g_last_state[5][4];
1463 static int g_now_config_state[5][4];
1468 #define DUMP_CHUNK 256
1469 char buf[PAGE_SIZE];
1471 int rk_fb_sysmmu_fault_handler(struct device *dev,
1472 enum rk_iommu_inttype itype,
1473 unsigned long pgtable_base,
1474 unsigned long fault_addr, unsigned int status)
1476 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1478 static int page_fault_cnt;
1479 if ((page_fault_cnt++) >= 10)
1482 ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1483 fault_addr, pgtable_base, status);
1484 pr_info("last config addr:\n");
1485 for (i = 0; i < 4; i++) {
1486 for (j = 0; j < 4; j++)
1487 pr_info("win[%d],area[%d] = 0x%08x\n",
1488 i, j, g_last_addr[i][j]);
1490 pr_info("last freed buffer:\n");
1491 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1492 printk("%d:0x%08x\n", i, freed_addr[i]);
1493 printk("last timeout:%d\n", g_last_timeout);
1494 dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1495 for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1496 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1497 char c = buf[i + DUMP_CHUNK];
1498 buf[i + DUMP_CHUNK] = 0;
1499 pr_cont("%s", buf + i);
1500 buf[i + DUMP_CHUNK] = c;
1502 buf[PAGE_SIZE - 1] = 0;
1503 pr_cont("%s", buf + i);
1511 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1512 struct rk_fb_reg_win_data *reg_win_data)
1515 struct rk_fb_reg_area_data *area_data;
1516 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1518 for (i = 0; i < reg_win_data->area_num; i++) {
1519 area_data = ®_win_data->reg_area_data[i];
1520 index_buf = area_data->index_buf;
1521 #if defined(CONFIG_RK_IOMMU)
1522 if (dev_drv->iommu_enabled) {
1523 if (area_data->ion_handle != NULL &&
1524 !IS_YUV_FMT(area_data->data_format))
1525 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1526 area_data->ion_handle);
1527 freed_addr[freed_index++] = area_data->smem_start;
1530 if (area_data->ion_handle != NULL)
1531 ion_free(rk_fb->ion_client, area_data->ion_handle);
1533 if (area_data->acq_fence)
1534 sync_fence_put(area_data->acq_fence);
1536 memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1539 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1540 struct rk_lcdc_win *win,
1541 struct rk_fb_reg_win_data *reg_win_data)
1544 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1545 struct rk_screen *cur_screen;
1546 struct rk_screen primary_screen;
1548 if (unlikely(!inf) || unlikely(!dev_drv) ||
1549 unlikely(!win) || unlikely(!reg_win_data))
1552 cur_screen = dev_drv->cur_screen;
1553 rk_fb_get_prmry_screen(&primary_screen);
1555 win->area_num = reg_win_data->area_num;
1556 win->id = reg_win_data->win_id;
1557 win->z_order = reg_win_data->z_order;
1559 if (reg_win_data->reg_area_data[0].smem_start > 0) {
1561 win->area_num = reg_win_data->area_num;
1562 win->id = reg_win_data->win_id;
1563 win->z_order = reg_win_data->z_order;
1564 win->area[0].uv_vir_stride =
1565 reg_win_data->reg_area_data[0].uv_vir_stride;
1566 win->area[0].cbr_start =
1567 reg_win_data->reg_area_data[0].cbr_start;
1568 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1569 win->alpha_en = reg_win_data->alpha_en;
1570 win->alpha_mode = reg_win_data->alpha_mode;
1571 win->g_alpha_val = reg_win_data->g_alpha_val;
1572 win->mirror_en = reg_win_data->mirror_en;
1573 win->colorspace = reg_win_data->colorspace;
1574 win->area[0].fbdc_en =
1575 reg_win_data->reg_area_data[0].fbdc_en;
1576 win->area[0].fbdc_cor_en =
1577 reg_win_data->reg_area_data[0].fbdc_cor_en;
1578 win->area[0].fbdc_data_format =
1579 reg_win_data->reg_area_data[0].fbdc_data_format;
1580 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1581 if (reg_win_data->reg_area_data[i].smem_start > 0) {
1582 win->area[i].format =
1583 reg_win_data->reg_area_data[i].data_format;
1584 win->area[i].ion_hdl =
1585 reg_win_data->reg_area_data[i].ion_handle;
1586 win->area[i].smem_start =
1587 reg_win_data->reg_area_data[i].smem_start;
1588 if (inf->disp_mode == DUAL ||
1589 inf->disp_mode == NO_DUAL) {
1591 reg_win_data->reg_area_data[i].xpos;
1593 reg_win_data->reg_area_data[i].ypos;
1594 win->area[i].xsize =
1595 reg_win_data->reg_area_data[i].xsize;
1596 win->area[i].ysize =
1597 reg_win_data->reg_area_data[i].ysize;
1600 reg_win_data->reg_area_data[i].xpos *
1601 cur_screen->mode.xres /
1602 primary_screen.mode.xres;
1604 reg_win_data->reg_area_data[i].ypos *
1605 cur_screen->mode.yres /
1606 primary_screen.mode.yres;
1607 win->area[i].xsize =
1608 reg_win_data->reg_area_data[i].xsize *
1609 cur_screen->mode.xres /
1610 primary_screen.mode.xres;
1611 win->area[i].ysize =
1612 reg_win_data->reg_area_data[i].ysize *
1613 cur_screen->mode.yres /
1614 primary_screen.mode.yres;
1616 /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1617 if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
1618 if (cur_screen->xsize > 0 &&
1619 cur_screen->xsize <= cur_screen->mode.xres) {
1621 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1622 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1623 win->area[i].xsize =
1624 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1626 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1628 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1629 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1630 win->area[i].ysize =
1631 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1636 reg_win_data->reg_area_data[i].xact;
1638 reg_win_data->reg_area_data[i].yact;
1640 reg_win_data->reg_area_data[i].xvir;
1642 reg_win_data->reg_area_data[i].yvir;
1644 reg_win_data->reg_area_data[i].xoff;
1646 reg_win_data->reg_area_data[i].yoff;
1647 win->area[i].y_offset =
1648 reg_win_data->reg_area_data[i].y_offset;
1649 win->area[i].y_vir_stride =
1650 reg_win_data->reg_area_data[i].y_vir_stride;
1651 win->area[i].state = 1;
1652 #if defined(CONFIG_RK_IOMMU)
1653 if (dev_drv->iommu_enabled) {
1654 g_now_config_addr[win->id][i] =
1655 win->area[i].smem_start +
1656 win->area[i].y_offset;
1657 g_now_config_state[win->id][i] = 1;
1661 win->area[i].state = 0;
1662 #if defined(CONFIG_RK_IOMMU)
1663 if (dev_drv->iommu_enabled) {
1664 g_now_config_addr[win->id][i] = 0;
1665 g_now_config_state[win->id][i] = 0;
1673 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1677 struct rk_fb_reg_win_data *win_data = NULL;
1678 for (i = 0; i < regs->win_num; i++) {
1679 if (regs->reg_win_data[i].win_id == win_id) {
1680 win_data = &(regs->reg_win_data[i]);
1688 static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
1689 struct rk_fb_reg_data *regs,
1692 int i, j, wait_for_vsync = false;
1693 unsigned int dsp_addr[5][4];
1696 if (dev_drv->ops->get_dsp_addr)
1697 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1699 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1700 for (j = 0;j < RK_WIN_MAX_AREA; j++) {
1701 if ((j > 0) && (dev_drv->area_support[i] == 1)) {
1704 if (dev_drv->win[i]->area[j].state == 1) {
1706 dev_drv->win[i]->area[j].smem_start +
1707 dev_drv->win[i]->area[j].y_offset;
1708 u32 reg_start = dsp_addr[i][j];
1709 if (unlikely(new_start != reg_start)) {
1710 wait_for_vsync = true;
1711 dev_info(dev_drv->dev,
1712 "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1713 i, new_start, reg_start, 101 - count);
1716 } else if (dev_drv->win[i]->area[j].state == 0) {
1717 if (dev_drv->ops->get_win_state) {
1719 dev_drv->ops->get_win_state(dev_drv, i, j);
1721 wait_for_vsync = true;
1724 pr_err("!!!win[%d]state:%d,error!!!\n",
1725 i, dev_drv->win[i]->state);
1730 return wait_for_vsync;
1733 static int rk_fb_iommu_page_fault_dump(struct rk_lcdc_driver *dev_drv)
1735 int i, j, state, page_fault = 0;
1736 unsigned int dsp_addr[5][4];
1738 if (dev_drv->ops->extern_func) {
1739 dev_drv->ops->extern_func(dev_drv, UNMASK_PAGE_FAULT);
1740 page_fault = dev_drv->ops->extern_func(dev_drv, GET_PAGE_FAULT);
1743 pr_info("last config:\n");
1744 for(i = 0; i < dev_drv->lcdc_win_num; i++) {
1745 for(j = 0; j < RK_WIN_MAX_AREA; j++) {
1746 if ((j > 0) && (dev_drv->area_support[i] == 1))
1748 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1749 i, j, g_last_state[i][j], g_last_addr[i][j]);
1753 pr_info("last freed buffer:\n");
1754 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1755 pr_info("%d:0x%08x\n", i, freed_addr[i]);
1757 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1758 pr_info("vop now state:\n");
1759 for(i = 0; i < dev_drv->lcdc_win_num; i++) {
1760 for(j = 0; j < RK_WIN_MAX_AREA; j++) {
1761 if ((j > 0) && (dev_drv->area_support[i] == 1))
1763 state = dev_drv->ops->get_win_state(dev_drv, i, j);
1764 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1765 i, j, state, dsp_addr[i][j]);
1768 pr_info("now config:\n");
1769 for(i = 0; i < dev_drv->lcdc_win_num; i++) {
1770 for(j = 0; j < RK_WIN_MAX_AREA; j++) {
1771 if ((j > 0) && (dev_drv->area_support[i] == 1))
1773 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1774 i, j, g_now_config_state[i][j],
1775 g_now_config_addr[i][j]);
1778 for (i = 0; i < DUMP_FRAME_NUM; i++)
1779 rk_fb_config_debug(dev_drv, &(dev_drv->tmp_win_cfg[i]),
1780 &(dev_drv->tmp_regs[i]), 0);
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 g_last_addr[i][j] = g_now_config_addr[i][j];
1788 g_last_state[i][j] = g_now_config_state[i][j];
1794 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1795 struct rk_fb_reg_data *regs)
1798 struct rk_lcdc_win *win;
1799 ktime_t timestamp = dev_drv->vsync_info.timestamp;
1800 struct rk_fb_reg_win_data *win_data;
1801 bool wait_for_vsync;
1805 /* acq_fence wait */
1806 for (i = 0; i < regs->win_num; i++) {
1807 win_data = ®s->reg_win_data[i];
1808 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1809 if (win_data->reg_area_data[j].acq_fence) {
1810 /* printk("acq_fence wait!!!!!\n"); */
1811 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1816 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1817 win = dev_drv->win[i];
1818 win_data = rk_fb_get_win_data(regs, i);
1820 mutex_lock(&dev_drv->win_config);
1821 rk_fb_update_win(dev_drv, win, win_data);
1823 dev_drv->ops->set_par(dev_drv, i);
1824 dev_drv->ops->pan_display(dev_drv, i);
1825 mutex_unlock(&dev_drv->win_config);
1829 for (j = 0; j < 4; j++)
1830 win->area[j].state = 0;
1831 #if defined(CONFIG_RK_IOMMU)
1832 if (dev_drv->iommu_enabled) {
1833 for (j = 0; j < 4; j++) {
1834 g_now_config_addr[i][j] = 0;
1835 g_now_config_state[i][j] = 0;
1841 dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1843 if (rk_fb_iommu_debug > 0) {
1844 pagefault = rk_fb_iommu_page_fault_dump(dev_drv);
1847 if (pagefault == 0) {
1848 dev_drv->ops->cfg_done(dev_drv);
1850 sw_sync_timeline_inc(dev_drv->timeline, 1);
1854 timestamp = dev_drv->vsync_info.timestamp;
1855 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1856 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1857 msecs_to_jiffies(50));
1859 wait_for_vsync = rk_fb_reg_effect(dev_drv, regs, count);
1860 } while (wait_for_vsync && count--);
1862 sw_sync_timeline_inc(dev_drv->timeline, 1);
1865 if (dev_drv->front_regs) {
1866 #if defined(CONFIG_RK_IOMMU)
1867 if (dev_drv->iommu_enabled) {
1868 if (dev_drv->ops->mmu_en)
1869 dev_drv->ops->mmu_en(dev_drv);
1871 g_last_timeout = timeout;
1875 mutex_lock(&dev_drv->front_lock);
1877 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1878 win_data = &dev_drv->front_regs->reg_win_data[i];
1879 rk_fb_free_dma_buf(dev_drv, win_data);
1881 kfree(dev_drv->front_regs);
1883 mutex_unlock(&dev_drv->front_lock);
1885 #if defined(CONFIG_RK_IOMMU)
1886 if (dev_drv->iommu_enabled)
1887 freed_addr[freed_index] = 0xfefefefe;
1891 mutex_lock(&dev_drv->front_lock);
1893 dev_drv->front_regs = regs;
1895 mutex_unlock(&dev_drv->front_lock);
1897 trace_buffer_dump(&fb_pdev->dev, dev_drv);
1900 static void rk_fb_update_regs_handler(struct kthread_work *work)
1902 struct rk_lcdc_driver *dev_drv =
1903 container_of(work, struct rk_lcdc_driver, update_regs_work);
1904 struct rk_fb_reg_data *data, *next;
1906 mutex_lock(&dev_drv->update_regs_list_lock);
1907 dev_drv->saved_list = dev_drv->update_regs_list;
1908 list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1909 mutex_unlock(&dev_drv->update_regs_list_lock);
1911 list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1912 rk_fb_update_reg(dev_drv, data);
1913 list_del(&data->list);
1916 if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1917 wake_up(&dev_drv->update_regs_wait);
1920 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1921 struct rk_screen *screen)
1923 if (area_par->phy_addr > 0)
1924 pr_err("%s[%d], phy_addr = 0x%x\n",
1925 __func__, __LINE__, area_par->phy_addr);
1926 if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1927 (area_par->xact <= 0) || (area_par->yact <= 0) ||
1928 (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1929 pr_err("check config var fail 0:\n"
1930 "x_offset=%d,xact=%d,xvir=%d\n",
1931 area_par->x_offset, area_par->xact, area_par->xvir);
1935 if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1936 (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1937 (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1938 pr_warn("check config var fail 1:\n"
1939 "xpos=%d,xsize=%d,xres=%d\n"
1940 "ypos=%d,ysize=%d,yres=%d\n",
1941 area_par->xpos, area_par->xsize, screen->mode.xres,
1942 area_par->ypos, area_par->ysize, screen->mode.yres);
1948 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
1949 struct rk_fb_win_cfg_data *win_data,
1950 struct rk_fb_reg_data *regs, u32 cmd)
1953 struct rk_fb_win_par *win_par;
1954 struct rk_fb_area_par *area_par;
1955 struct rk_fb_reg_win_data *reg_win_data;
1956 struct rk_fb_reg_area_data *area_data;
1958 rk_fb_dbg(cmd, "-------------frame start-------------\n");
1959 rk_fb_dbg(cmd, "user config:\n");
1960 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1961 win_par = &(win_data->win_par[i]);
1962 if ((win_par->area_par[0].ion_fd <= 0) &&
1963 (win_par->area_par[0].phy_addr <= 0))
1965 rk_fb_dbg(cmd, "win[%d]:z_order=%d,galhpa_v=%d\n",
1966 win_par->win_id, win_par->z_order,
1967 win_par->g_alpha_val);
1968 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1969 area_par = &(win_par->area_par[j]);
1970 if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
1971 ((win_par->area_par[j].ion_fd <= 0) &&
1972 (win_par->area_par[j].phy_addr <= 0)))
1974 rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion_fd=%d,phy_add=0x%x,xoff=%d,yoff=%d\n",
1975 j, area_par->data_format, area_par->ion_fd,
1976 area_par->phy_addr, area_par->x_offset,
1977 area_par->y_offset);
1978 rk_fb_dbg(cmd, " xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
1979 area_par->xpos, area_par->ypos,
1980 area_par->xsize, area_par->ysize);
1981 rk_fb_dbg(cmd, " xact=%d,yact=%d,xvir=%d,yvir=%d\n",
1982 area_par->xact, area_par->yact,
1983 area_par->xvir, area_par->yvir);
1987 rk_fb_dbg(cmd, "regs data:\n");
1988 rk_fb_dbg(cmd, "win_num=%d,buf_num=%d\n",
1989 regs->win_num, regs->buf_num);
1990 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1991 reg_win_data = &(regs->reg_win_data[i]);
1992 if (reg_win_data->reg_area_data[0].smem_start <= 0)
1994 rk_fb_dbg(cmd, "win[%d]:z_order=%d,area_num=%d,area_buf_num=%d\n",
1995 reg_win_data->win_id, reg_win_data->z_order,
1996 reg_win_data->area_num, reg_win_data->area_buf_num);
1997 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1998 area_data = &(reg_win_data->reg_area_data[j]);
1999 if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2000 (area_data->smem_start <= 0))
2002 rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion=%p,smem_star=0x%lx,cbr_star=0x%lx\n",
2003 j, area_data->data_format, area_data->ion_handle,
2004 area_data->smem_start, area_data->cbr_start);
2005 rk_fb_dbg(cmd, " yoff=0x%x,coff=0x%x,area_data->buff_len=%x\n",
2006 area_data->y_offset, area_data->c_offset,area_data->buff_len);
2007 rk_fb_dbg(cmd, " xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2008 area_data->xpos, area_data->ypos,
2009 area_data->xsize, area_data->ysize);
2010 rk_fb_dbg(cmd, " xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2011 area_data->xact, area_data->yact,
2012 area_data->xvir, area_data->yvir);
2015 rk_fb_dbg(cmd, "-------------frame end---------------\n");
2019 static int rk_fb_config_backup(struct rk_lcdc_driver *dev_drv,
2020 struct rk_fb_win_cfg_data *win_cfg,
2021 struct rk_fb_reg_data *regs)
2025 /*2->1->0: 0 is newest*/
2026 for (i = 0; i < DUMP_FRAME_NUM - 1; i++) {
2027 memcpy(&(dev_drv->tmp_win_cfg[DUMP_FRAME_NUM-1-i]),
2028 &(dev_drv->tmp_win_cfg[DUMP_FRAME_NUM-2-i]),
2029 sizeof(struct rk_fb_win_cfg_data));
2030 memcpy(&(dev_drv->tmp_regs[DUMP_FRAME_NUM-1-i]),
2031 &(dev_drv->tmp_regs[DUMP_FRAME_NUM-2-i]),
2032 sizeof(struct rk_fb_reg_data));
2035 memcpy(&(dev_drv->tmp_win_cfg[0]), win_cfg,
2036 sizeof(struct rk_fb_win_cfg_data));
2037 memcpy(&(dev_drv->tmp_regs[0]), regs,
2038 sizeof(struct rk_fb_reg_data));
2042 static int rk_fb_set_win_buffer(struct fb_info *info,
2043 struct rk_fb_win_par *win_par,
2044 struct rk_fb_reg_win_data *reg_win_data)
2046 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2047 struct fb_fix_screeninfo *fix = &info->fix;
2048 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2049 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2050 /*if hdmi size move to hwc,screen should point to cur_screen
2051 otherwise point to screen0[main screen]*/
2052 struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
2053 struct fb_info *fbi;
2054 int i, ion_fd, acq_fence_fd;
2056 u32 xoffset, yoffset;
2058 struct ion_handle *hdl;
2064 u32 stride, uv_stride;
2067 u16 uv_x_off, uv_y_off, uv_y_act;
2069 u8 ppixel_a = 0, global_a = 0;
2070 ion_phys_addr_t phy_addr;
2074 reg_win_data->reg_area_data[0].smem_start = -1;
2075 reg_win_data->area_num = 0;
2076 fbi = rk_fb->fb[win_par->win_id + dev_drv->fb_index_base];
2077 if (win_par->area_par[0].phy_addr == 0) {
2078 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2079 ion_fd = win_par->area_par[i].ion_fd;
2082 ion_import_dma_buf(rk_fb->ion_client,
2085 pr_info("%s: Could not import handle:"
2086 " %ld\n", __func__, (long)hdl);
2090 reg_win_data->reg_area_data[i].ion_handle = hdl;
2091 #ifndef CONFIG_RK_IOMMU
2092 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
2095 if (dev_drv->iommu_enabled)
2096 ret = ion_map_iommu(dev_drv->dev,
2099 (unsigned long *)&phy_addr,
2100 (unsigned long *)&len);
2102 ret = ion_phys(rk_fb->ion_client, hdl,
2106 dev_err(fbi->dev, "ion map to get phy addr failed\n");
2107 ion_free(rk_fb->ion_client, hdl);
2110 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2111 reg_win_data->area_num++;
2112 reg_win_data->area_buf_num++;
2113 reg_win_data->reg_area_data[i].index_buf = 1;
2114 reg_win_data->reg_area_data[i].buff_len = len;
2118 reg_win_data->reg_area_data[0].smem_start =
2119 win_par->area_par[0].phy_addr;
2120 reg_win_data->area_num = 1;
2121 reg_win_data->area_buf_num++;
2122 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2125 if (reg_win_data->area_num == 0) {
2126 for (i = 0; i < RK_WIN_MAX_AREA; i++)
2127 reg_win_data->reg_area_data[i].smem_start = 0;
2128 reg_win_data->z_order = -1;
2129 reg_win_data->win_id = -1;
2133 for (i = 0; i < reg_win_data->area_num; i++) {
2134 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2135 index_buf = reg_win_data->reg_area_data[i].index_buf;
2136 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2137 reg_win_data->reg_area_data[i].acq_fence =
2138 sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2141 if (reg_win_data->reg_area_data[0].smem_start > 0) {
2142 reg_win_data->z_order = win_par->z_order;
2143 reg_win_data->win_id = win_par->win_id;
2145 reg_win_data->z_order = -1;
2146 reg_win_data->win_id = -1;
2149 reg_win_data->mirror_en = win_par->mirror_en;
2150 for (i = 0; i < reg_win_data->area_num; i++) {
2151 u8 data_format = win_par->area_par[i].data_format;
2152 /*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
2153 reg_win_data->colorspace = CSC_FORMAT(data_format);
2154 data_format &= ~CSC_MASK;
2155 fb_data_fmt = rk_fb_data_fmt(data_format, 0);
2156 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
2157 if (IS_FBDC_FMT(fb_data_fmt)) {
2158 reg_win_data->reg_area_data[i].fbdc_en = 1;
2159 reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
2161 reg_win_data->reg_area_data[i].fbdc_en = 0;
2162 reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
2164 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2166 ppixel_a |= ((fb_data_fmt == ARGB888) ||
2167 (fb_data_fmt == FBDC_ARGB_888) ||
2168 (fb_data_fmt == FBDC_ABGR_888) ||
2169 (fb_data_fmt == ABGR888)) ? 1 : 0;
2170 /*act_height should be 2 pix align for interlace output*/
2171 if (win_par->area_par[i].yact % 2 == 1) {
2172 win_par->area_par[i].yact -= 1;
2173 win_par->area_par[i].ysize -= 1;
2176 /* buf offset should be 2 pix align*/
2177 if ((win_par->area_par[i].x_offset % 2 == 1) &&
2178 IS_YUV_FMT(fb_data_fmt)) {
2179 win_par->area_par[i].x_offset += 1;
2180 win_par->area_par[i].xact -= 1;
2183 /* visiable pos in panel */
2184 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2185 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2187 /* realy size in panel */
2188 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2189 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2191 /* realy size in panel */
2192 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2193 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2195 xoffset = win_par->area_par[i].x_offset; /* buf offset */
2196 yoffset = win_par->area_par[i].y_offset;
2197 reg_win_data->reg_area_data[i].xoff = xoffset;
2198 reg_win_data->reg_area_data[i].yoff = yoffset;
2200 xvir = win_par->area_par[i].xvir;
2201 reg_win_data->reg_area_data[i].xvir = xvir;
2202 yvir = win_par->area_par[i].yvir;
2203 reg_win_data->reg_area_data[i].yvir = yvir;
2205 vir_width_bit = pixel_width * xvir;
2206 /* pixel_width = byte_num*8 */
2207 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2208 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2210 stride = stride_32bit_1; /* default rgb */
2211 fix->line_length = stride;
2212 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2214 /* x y mirror ,jump line
2215 * reg_win_data->reg_area_data[i].y_offset =
2216 * yoffset*stride+xoffset*pixel_width/8;
2218 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2219 if (screen->interlace == 1) {
2220 reg_win_data->reg_area_data[i].y_offset =
2221 yoffset * stride * 2 +
2222 ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2223 xoffset * pixel_width / 8;
2225 reg_win_data->reg_area_data[i].y_offset =
2227 (reg_win_data->reg_area_data[i].yact - 1) * stride +
2228 xoffset * pixel_width / 8;
2231 if (screen->interlace == 1) {
2232 reg_win_data->reg_area_data[i].y_offset =
2233 yoffset * stride * 2 +
2234 xoffset * pixel_width / 8;
2236 reg_win_data->reg_area_data[i].y_offset =
2238 xoffset * pixel_width / 8;
2241 if (IS_RGB_FMT(fb_data_fmt) && dev_drv->iommu_enabled) {
2242 buff_len = reg_win_data->reg_area_data[i].y_offset +
2243 reg_win_data->reg_area_data[i].xvir *
2244 reg_win_data->reg_area_data[i].yact *
2246 reg_win_data->reg_area_data[i].xoff*
2248 if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2249 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2251 "=buff_len[0x%x]>>mmu len=0x%x\n",
2253 reg_win_data->reg_area_data[i].xvir,
2254 reg_win_data->reg_area_data[i].yact,
2255 pixel_width, buff_len,
2256 reg_win_data->reg_area_data[i].buff_len);
2260 global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2261 reg_win_data->alpha_en = ppixel_a | global_a;
2262 reg_win_data->g_alpha_val = win_par->g_alpha_val;
2263 reg_win_data->alpha_mode = win_par->alpha_mode;
2265 switch (fb_data_fmt) {
2269 stride = stride_32bit_1;
2270 uv_stride = stride_32bit_1;
2273 fix->line_length = stride;
2274 uv_y_act = win_par->area_par[0].yact >> 1;
2276 case YUV420: /* nv12 */
2277 case YUV420_NV21: /* nv21 */
2280 stride = stride_32bit_1;
2281 uv_stride = stride_32bit_1;
2283 uv_y_off = yoffset >> 1;
2284 fix->line_length = stride;
2285 uv_y_act = win_par->area_par[0].yact >> 1;
2290 stride = stride_32bit_1;
2291 uv_stride = stride_32bit_2;
2292 uv_x_off = xoffset * 2;
2294 fix->line_length = stride << 2;
2295 uv_y_act = win_par->area_par[0].yact;
2300 if (is_pic_yuv == 1) {
2301 reg_win_data->reg_area_data[0].cbr_start =
2302 reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2303 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2304 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2305 if (screen->interlace == 1) {
2306 reg_win_data->reg_area_data[0].c_offset =
2307 uv_y_off * uv_stride * 2 +
2308 ((uv_y_act - 1) * 2 + 1) * uv_stride +
2309 uv_x_off * pixel_width / 8;
2311 reg_win_data->reg_area_data[0].c_offset =
2312 uv_y_off * uv_stride +
2313 (uv_y_act - 1) * uv_stride +
2314 uv_x_off * pixel_width / 8;
2317 if (screen->interlace == 1) {
2318 reg_win_data->reg_area_data[0].c_offset =
2319 uv_y_off * uv_stride * 2 +
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_x_off * pixel_width / 8;
2327 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2328 reg_win_data->reg_area_data[0].c_offset +
2329 reg_win_data->reg_area_data[0].xvir *
2330 reg_win_data->reg_area_data[0].yact *
2332 reg_win_data->reg_area_data[0].smem_start -
2333 reg_win_data->reg_area_data[0].xoff*
2335 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2336 dev_drv->iommu_enabled)
2337 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2339 "=buff_len[0x%x]>>mmu len=0x%x\n",
2341 reg_win_data->reg_area_data[0].xvir,
2342 reg_win_data->reg_area_data[0].yact,
2343 pixel_width, buff_len,
2344 reg_win_data->reg_area_data[0].buff_len);
2347 /* record buffer information for rk_fb_disp_scale to prevent fence timeout
2348 * because rk_fb_disp_scale will call function info->fbops->fb_set_par(info);
2349 * delete by hjc for new hdmi overscan framework
2351 /*info->var.yoffset = yoffset;
2352 info->var.xoffset = xoffset;*/
2356 static int rk_fb_set_win_config(struct fb_info *info,
2357 struct rk_fb_win_cfg_data *win_data)
2359 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2360 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2361 struct rk_fb_reg_data *regs;
2363 struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2364 struct sync_fence *retire_fence;
2365 struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2366 struct sync_pt *retire_sync_pt;
2367 char fence_name[20];
2369 int ret = 0, i, j = 0;
2370 int list_is_empty = 0;
2371 struct rk_screen *screen = dev_drv->cur_screen;
2373 mutex_lock(&dev_drv->output_lock);
2375 for (i = 0; i < 4; i++) {
2376 for (j = 0; j < 4; j++) {
2377 if ((win_data->win_par[i].area_par[j].ion_fd > 0) ||
2378 (win_data->win_par[i].area_par[j].phy_addr > 0))
2379 ret += rk_fb_check_config_var(
2380 &win_data->win_par[i].area_par[j],
2384 if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
2385 dev_drv->timeline_max++;
2386 sw_sync_timeline_inc(dev_drv->timeline, 1);
2387 if (dev_drv->suspend_flag)
2388 pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
2389 else if (dev_drv->hdmi_switch)
2390 pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
2392 pr_err("error config ,ignore\n");
2393 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2394 win_data->rel_fence_fd[j] = -1;
2395 win_data->ret_fence_fd = -1;
2399 regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2401 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2406 for (i = 0,j = 0; i < dev_drv->lcdc_win_num; i++) {
2407 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2408 if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2409 ®s->reg_win_data[j])) {
2411 pr_info("error:%s[%d]\n", __func__,__LINE__);
2414 if (regs->reg_win_data[j].area_num > 0) {
2417 regs->reg_win_data[j].area_buf_num;
2421 printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2422 printk(KERN_INFO "i=%d,win_id=%d\n", i,
2423 win_data->win_par[i].win_id);
2427 if (regs->win_num <= 0)
2428 goto err_null_frame;
2430 dev_drv->timeline_max++;
2432 win_data->ret_fence_fd = get_unused_fd_flags(0);
2433 if (win_data->ret_fence_fd < 0) {
2434 pr_err("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2435 win_data->ret_fence_fd = -1;
2439 for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2440 if (i < regs->buf_num) {
2441 sprintf(fence_name, "fence%d", i);
2442 win_data->rel_fence_fd[i] = get_unused_fd_flags(0);
2443 if (win_data->rel_fence_fd[i] < 0) {
2444 printk(KERN_INFO "rel_fence_fd=%d\n",
2445 win_data->rel_fence_fd[i]);
2449 release_sync_pt[i] =
2450 sw_sync_pt_create(dev_drv->timeline,
2451 dev_drv->timeline_max);
2453 sync_fence_create(fence_name, release_sync_pt[i]);
2454 sync_fence_install(release_fence[i],
2455 win_data->rel_fence_fd[i]);
2457 win_data->rel_fence_fd[i] = -1;
2462 sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2463 retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2464 sync_fence_install(retire_fence, win_data->ret_fence_fd);
2466 for (i = 0; i < RK_MAX_BUF_NUM; i++)
2467 win_data->rel_fence_fd[i] = -1;
2469 win_data->ret_fence_fd = -1;
2471 if (dev_drv->wait_fs == 0) {
2472 mutex_lock(&dev_drv->update_regs_list_lock);
2473 list_add_tail(®s->list, &dev_drv->update_regs_list);
2474 mutex_unlock(&dev_drv->update_regs_list_lock);
2475 queue_kthread_work(&dev_drv->update_regs_worker,
2476 &dev_drv->update_regs_work);
2478 mutex_lock(&dev_drv->update_regs_list_lock);
2479 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2480 list_empty(&dev_drv->saved_list);
2481 mutex_unlock(&dev_drv->update_regs_list_lock);
2482 if (!list_is_empty) {
2483 ret = wait_event_timeout(dev_drv->update_regs_wait,
2484 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2485 msecs_to_jiffies(60));
2487 rk_fb_update_reg(dev_drv, regs);
2489 printk("%s: wait update_regs_wait timeout\n", __func__);
2490 } else if (ret == 0) {
2491 rk_fb_update_reg(dev_drv, regs);
2494 if (rk_fb_debug_lvl > 0)
2495 rk_fb_config_debug(dev_drv, win_data, regs, rk_fb_debug_lvl);
2496 if (rk_fb_iommu_debug > 0)
2497 rk_fb_config_backup(dev_drv, win_data, regs);
2499 mutex_unlock(&dev_drv->output_lock);
2502 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2503 win_data->rel_fence_fd[j] = -1;
2504 win_data->ret_fence_fd = -1;
2505 pr_info("win num = %d,null frame\n", regs->win_num);
2508 mutex_unlock(&dev_drv->output_lock);
2514 static int cfgdone_distlist[10] = { 0 };
2516 static int cfgdone_index;
2517 static int cfgdone_lasttime;
2519 int rk_get_real_fps(int before)
2521 struct timespec now;
2527 int index = cfgdone_index;
2536 getnstimeofday(&now);
2537 dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2543 for (i = 0; i < 10; i++) {
2546 total += cfgdone_distlist[index];
2548 dist_first = cfgdone_distlist[index];
2549 if (total < (before * 1000)) {
2551 printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2553 dist_total += cfgdone_distlist[index];
2561 printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2563 dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2564 dist_total += dist_curr;
2568 fps = (1000000 * dist_count) / dist_total;
2573 printk("curr2 %d, fps=%d\n", dist_curr, fps);
2577 EXPORT_SYMBOL(rk_get_real_fps);
2580 #ifdef CONFIG_RK_IOMMU
2582 static struct ion_handle *ion_hanle[ION_MAX];
2583 static struct ion_handle *ion_hwc[1];
2585 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2588 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2589 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2590 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2591 struct fb_fix_screeninfo *fix = &info->fix;
2592 struct rk_lcdc_win *win;
2593 int enable; /* enable fb:1 enable;0 disable */
2594 int ovl; /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2595 int num_buf; /* buffer_number */
2597 struct rk_fb_win_cfg_data win_data;
2598 unsigned int dsp_addr[4][4];
2601 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2603 void __user *argp = (void __user *)arg;
2604 win = dev_drv->win[win_id];
2607 case RK_FBIOSET_HWC_ADDR:
2610 if (copy_from_user(hwc_phy, argp, 4))
2612 #ifdef CONFIG_RK_IOMMU
2613 if (!dev_drv->iommu_enabled) {
2615 fix->smem_start = hwc_phy[0];
2616 #ifdef CONFIG_RK_IOMMU
2619 struct ion_handle *hdl;
2620 ion_phys_addr_t phy_addr;
2623 usr_fd = hwc_phy[0];
2625 fix->smem_start = 0;
2626 fix->mmio_start = 0;
2627 dev_drv->ops->open(dev_drv, win_id, 0);
2631 if (ion_hwc[0] != 0) {
2632 ion_free(rk_fb->ion_client, ion_hwc[0]);
2636 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2638 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2643 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2644 (unsigned long *)&phy_addr,
2645 (unsigned long *)&len);
2647 dev_err(info->dev, "ion map to get hwc phy addr failed");
2648 ion_free(rk_fb->ion_client, hdl);
2651 fix->smem_start = phy_addr;
2657 case RK_FBIOSET_YUV_ADDR:
2661 if (copy_from_user(yuv_phy, argp, 8))
2663 #ifdef CONFIG_RK_IOMMU
2664 if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2666 fix->smem_start = yuv_phy[0];
2667 fix->mmio_start = yuv_phy[1];
2668 #ifdef CONFIG_RK_IOMMU
2670 int usr_fd, offset, tmp;
2671 struct ion_handle *hdl;
2672 ion_phys_addr_t phy_addr;
2675 usr_fd = yuv_phy[0];
2676 offset = yuv_phy[1] - yuv_phy[0];
2678 fix->smem_start = 0;
2679 fix->mmio_start = 0;
2683 if (ion_hanle[ION_MAX - 1] != 0) {
2684 /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2685 /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2686 ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2687 ion_hanle[ION_MAX - 1] = 0;
2690 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2692 dev_err(info->dev, "failed to get ion handle:%ld\n",
2697 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2698 (unsigned long *)&phy_addr,
2699 (unsigned long *)&len);
2701 dev_err(info->dev, "ion map to get phy addr failed");
2702 ion_free(rk_fb->ion_client, hdl);
2705 fix->smem_start = phy_addr;
2706 fix->mmio_start = phy_addr + offset;
2707 fix->smem_len = len;
2708 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2711 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2712 ion_hanle[tmp] = ion_hanle[tmp - 1];
2718 case RK_FBIOSET_ENABLE:
2719 if (copy_from_user(&enable, argp, sizeof(enable)))
2721 if (enable && fb_par->state)
2725 dev_drv->ops->open(dev_drv, win_id, enable);
2727 case RK_FBIOGET_ENABLE:
2728 enable = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
2729 if (copy_to_user(argp, &enable, sizeof(enable)))
2732 case RK_FBIOSET_OVERLAY_STA:
2733 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2735 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2737 case RK_FBIOGET_OVERLAY_STA:
2738 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2739 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2742 case RK_FBIOPUT_NUM_BUFFERS:
2743 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2745 dev_drv->num_buf = num_buf;
2747 case RK_FBIOSET_VSYNC_ENABLE:
2748 if (copy_from_user(&enable, argp, sizeof(enable)))
2750 dev_drv->vsync_info.active = enable;
2753 case RK_FBIOGET_DSP_ADDR:
2754 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2755 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2758 case RK_FBIOGET_LIST_STA:
2759 list_stat = rk_fb_get_list_stat(dev_drv);
2760 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2764 case RK_FBIOGET_IOMMU_STA:
2765 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2766 sizeof(dev_drv->iommu_enabled)))
2769 #if defined(CONFIG_ION_ROCKCHIP)
2770 case RK_FBIOSET_DMABUF_FD:
2773 struct ion_handle *hdl;
2774 ion_phys_addr_t phy_addr;
2776 if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2778 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2779 ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2780 fix->smem_start = phy_addr;
2783 case RK_FBIOGET_DMABUF_FD:
2787 if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2789 "get dma_buf fd failed,ion handle is err\n");
2790 return PTR_ERR(fb_par->ion_hdl);
2792 fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2796 "ion_share_dma_buf_fd failed\n");
2799 if (copy_to_user(argp, &fd, sizeof(fd)))
2804 case RK_FBIOSET_CLEAR_FB:
2805 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2807 case RK_FBIOSET_CONFIG_DONE:
2810 struct timespec now;
2812 getnstimeofday(&now);
2813 curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2814 cfgdone_distlist[cfgdone_index++] =
2815 curr - cfgdone_lasttime;
2817 printk("%d ", curr - cfgdone_lasttime);
2819 cfgdone_lasttime = curr;
2820 if (cfgdone_index >= 10)
2823 if (copy_from_user(&win_data,
2824 (struct rk_fb_win_cfg_data __user *)argp,
2825 sizeof(win_data))) {
2830 dev_drv->wait_fs = win_data.wait_fs;
2831 ret = rk_fb_set_win_config(info, &win_data);
2833 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2834 &win_data, sizeof(win_data))) {
2838 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2840 if (dev_drv->uboot_logo)
2841 dev_drv->uboot_logo = 0;
2845 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2852 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2854 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2855 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2856 struct fb_fix_screeninfo *fix = &info->fix;
2858 #if defined(CONFIG_RK_HDMI)
2859 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2862 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2865 mutex_lock(&dev_drv->switch_screen);
2866 #if defined(CONFIG_RK_HDMI)
2867 if ((rk_fb->disp_mode == ONE_DUAL) &&
2868 (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2869 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2873 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2875 mutex_unlock(&dev_drv->switch_screen);
2879 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2881 if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2882 (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2883 ((16 != var->bits_per_pixel) &&
2884 (32 != var->bits_per_pixel) &&
2885 (24 != var->bits_per_pixel))) {
2886 dev_err(info->dev, "%s check var fail 1:\n"
2887 "xres_vir:%d>>yres_vir:%d\n"
2888 "xres:%d>>yres:%d\n"
2889 "bits_per_pixel:%d\n",
2893 var->xres, var->yres, var->bits_per_pixel);
2897 if (((var->xoffset + var->xres) > var->xres_virtual) ||
2898 ((var->yoffset + var->yres) > (var->yres_virtual))) {
2899 dev_err(info->dev, "%s check_var fail 2:\n"
2900 "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2901 "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2906 var->yoffset, var->yres, var->yres_virtual);
2913 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2914 size_t count, loff_t *ppos)
2916 unsigned long p = *ppos;
2919 int c, cnt = 0, err = 0;
2920 unsigned long total_size;
2921 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2922 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2923 struct rk_lcdc_win *win = NULL;
2926 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2930 win = dev_drv->win[win_id];
2932 /* only read the current frame buffer */
2933 if (win->area[0].format == RGB565) {
2934 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2935 } else if ((win->area[0].format == YUV420) ||
2936 (win->area[0].format == YUV420_NV21)) {
2938 (win->area[0].y_vir_stride * win->area[0].yact * 6);
2940 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2942 if (p >= total_size)
2945 if (count >= total_size)
2948 if (count + p > total_size)
2949 count = total_size - p;
2951 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2955 src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2958 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2960 fb_memcpy_fromfb(dst, src, c);
2964 if (copy_to_user(buf, buffer, c)) {
2976 return (err) ? err : cnt;
2979 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2980 size_t count, loff_t *ppos)
2982 unsigned long p = *ppos;
2985 int c, cnt = 0, err = 0;
2986 unsigned long total_size;
2987 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2988 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2989 struct rk_lcdc_win *win = NULL;
2992 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2996 win = dev_drv->win[win_id];
2998 /* write the current frame buffer */
2999 if (win->area[0].format == RGB565)
3000 total_size = win->area[0].xact * win->area[0].yact << 1;
3002 total_size = win->area[0].xact * win->area[0].yact << 2;
3007 if (count > total_size) {
3012 if (count + p > total_size) {
3016 count = total_size - p;
3019 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3023 dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3026 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3029 if (copy_from_user(src, buf, c)) {
3034 fb_memcpy_tofb(dst, src, c);
3045 return (cnt) ? cnt : err;
3048 static int rk_fb_set_par(struct fb_info *info)
3050 struct fb_var_screeninfo *var = &info->var;
3051 struct fb_fix_screeninfo *fix = &info->fix;
3052 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3053 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3054 struct rk_lcdc_win *win = NULL;
3055 struct rk_screen *screen = dev_drv->cur_screen;
3057 u32 cblen = 0, crlen = 0;
3058 u16 xsize = 0, ysize = 0; /* winx display window height/width --->LCDC_WINx_DSP_INFO */
3059 u32 xoffset = var->xoffset; /* offset from virtual to visible */
3060 u32 yoffset = var->yoffset;
3061 u16 xpos = (var->nonstd >> 8) & 0xfff; /*visiable pos in panel */
3062 u16 ypos = (var->nonstd >> 20) & 0xfff;
3063 u32 xvir = var->xres_virtual;
3064 u32 yvir = var->yres_virtual;
3065 u8 data_format = var->nonstd & 0xff;
3069 u32 stride, uv_stride;
3072 u16 uv_x_off, uv_y_off, uv_y_act;
3074 /*var->pixclock = dev_drv->pixclock;*/
3075 if (dev_drv->suspend_flag)
3077 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3081 win = dev_drv->win[win_id];
3083 /* if the application has specific the horizontal and vertical display size */
3084 if (var->grayscale >> 8) {
3085 xsize = (var->grayscale >> 8) & 0xfff;
3086 ysize = (var->grayscale >> 20) & 0xfff;
3087 if (xsize > screen->mode.xres)
3088 xsize = screen->mode.xres;
3089 if (ysize > screen->mode.yres)
3090 ysize = screen->mode.yres;
3091 } else { /*ohterwise full screen display */
3092 xsize = screen->mode.xres;
3093 ysize = screen->mode.yres;
3096 win->colorspace = CSC_FORMAT(data_format);
3097 data_format &= ~CSC_MASK;
3098 fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
3099 if (IS_FBDC_FMT(fb_data_fmt)) {
3100 win->area[0].fbdc_en = 1;
3101 win->area[0].fbdc_cor_en = 1;
3103 win->area[0].fbdc_en = 0;
3104 win->area[0].fbdc_cor_en = 0;
3106 pixel_width = rk_fb_pixel_width(fb_data_fmt);
3107 vir_width_bit = pixel_width * xvir;
3108 /* pixel_width = byte_num * 8 */
3109 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3110 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3112 switch (fb_data_fmt) {
3116 stride = stride_32bit_1;
3117 uv_stride = stride_32bit_1;
3120 fix->line_length = stride;
3121 cblen = crlen = (xvir * yvir) >> 1;
3122 uv_y_act = win->area[0].yact >> 1;
3124 case YUV420: /* nv12 */
3125 case YUV420_NV21: /* nv21 */
3128 stride = stride_32bit_1;
3129 uv_stride = stride_32bit_1;
3131 uv_y_off = yoffset >> 1;
3132 fix->line_length = stride;
3133 cblen = crlen = (xvir * yvir) >> 2;
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 cblen = crlen = (xvir * yvir);
3145 uv_y_act = win->area[0].yact;
3148 stride = stride_32bit_1; /* default rgb */
3149 fix->line_length = stride;
3153 win->area[0].format = fb_data_fmt;
3154 win->area[0].y_vir_stride = stride >> 2;
3155 win->area[0].uv_vir_stride = uv_stride >> 2;
3156 win->area[0].xpos = xpos;
3157 win->area[0].ypos = ypos;
3158 win->area[0].xsize = xsize;
3159 win->area[0].ysize = ysize;
3160 win->area[0].xact = var->xres; /* winx active window height,is a wint of vir */
3161 win->area[0].yact = var->yres;
3162 win->area[0].xvir = var->xres_virtual; /* virtual resolution stride --->LCDC_WINx_VIR */
3163 win->area[0].yvir = var->yres_virtual;
3164 win->area[0].xoff = xoffset;
3165 win->area[0].yoff = yoffset;
3168 win->alpha_mode = 4; /* AB_SRC_OVER; */
3169 win->alpha_en = ((win->area[0].format == ARGB888) ||
3170 (win->area[0].format == FBDC_ARGB_888) ||
3171 (win->area[0].format == FBDC_ABGR_888) ||
3172 (win->area[0].format == ABGR888)) ? 1 : 0;
3173 win->g_alpha_val = 0;
3175 dev_drv->ops->set_par(dev_drv, win_id);
3180 static inline unsigned int chan_to_field(unsigned int chan,
3181 struct fb_bitfield *bf)
3184 chan >>= 16 - bf->length;
3185 return chan << bf->offset;
3188 static int fb_setcolreg(unsigned regno,
3189 unsigned red, unsigned green, unsigned blue,
3190 unsigned transp, struct fb_info *info)
3194 switch (info->fix.visual) {
3195 case FB_VISUAL_TRUECOLOR:
3196 /* true-colour, use pseudo-palette */
3198 u32 *pal = info->pseudo_palette;
3199 val = chan_to_field(red, &info->var.red);
3200 val |= chan_to_field(green, &info->var.green);
3201 val |= chan_to_field(blue, &info->var.blue);
3206 return -1; /* unknown type */
3212 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3214 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3215 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3216 struct ion_handle *handle = fb_par->ion_hdl;
3217 struct dma_buf *dma_buf = NULL;
3219 if (IS_ERR_OR_NULL(handle)) {
3220 dev_err(info->dev, "failed to get ion handle:%ld\n",
3224 dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3225 if (IS_ERR_OR_NULL(dma_buf)) {
3226 printk("get ion share dma buf failed\n");
3230 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3232 return dma_buf_mmap(dma_buf, vma, 0);
3235 static struct fb_ops fb_ops = {
3236 .owner = THIS_MODULE,
3237 .fb_open = rk_fb_open,
3238 .fb_release = rk_fb_close,
3239 .fb_check_var = rk_fb_check_var,
3240 .fb_set_par = rk_fb_set_par,
3241 .fb_blank = rk_fb_blank,
3242 .fb_ioctl = rk_fb_ioctl,
3243 .fb_compat_ioctl = rk_fb_ioctl,
3244 .fb_pan_display = rk_fb_pan_display,
3245 .fb_read = rk_fb_read,
3246 .fb_write = rk_fb_write,
3247 .fb_setcolreg = fb_setcolreg,
3248 .fb_fillrect = cfb_fillrect,
3249 .fb_copyarea = cfb_copyarea,
3250 .fb_imageblit = cfb_imageblit,
3253 static struct fb_var_screeninfo def_var = {
3254 #if defined(CONFIG_LOGO_LINUX_BMP)
3258 .transp = {0, 0, 0},
3259 .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3264 .transp = {0, 0, 0},
3265 .nonstd = HAL_PIXEL_FORMAT_RGB_565, /* (ypos<<20+xpos<<8+format) format */
3267 .grayscale = 0, /* (ysize<<20+xsize<<8) */
3268 .activate = FB_ACTIVATE_NOW,
3270 .vmode = FB_VMODE_NONINTERLACED,
3273 static struct fb_fix_screeninfo def_fix = {
3274 .type = FB_TYPE_PACKED_PIXELS,
3279 .accel = FB_ACCEL_NONE,
3280 .visual = FB_VISUAL_TRUECOLOR,
3284 static int rk_fb_wait_for_vsync_thread(void *data)
3286 struct rk_lcdc_driver *dev_drv = data;
3287 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3288 struct fb_info *fbi = rk_fb->fb[dev_drv->fb_index_base];
3290 while (!kthread_should_stop()) {
3291 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3292 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3293 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3294 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3297 sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3303 static ssize_t rk_fb_vsync_show(struct device *dev,
3304 struct device_attribute *attr, char *buf)
3306 struct fb_info *fbi = dev_get_drvdata(dev);
3307 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3308 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3309 return scnprintf(buf, PAGE_SIZE, "%llu\n",
3310 ktime_to_ns(dev_drv->vsync_info.timestamp));
3313 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3316 * this two function is for other module that in the kernel which
3317 * need show image directly through fb
3318 * fb_id:we have 4 fb here,default we use fb0 for ui display
3320 struct fb_info *rk_get_fb(int fb_id)
3322 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3323 struct fb_info *fb = inf->fb[fb_id];
3326 EXPORT_SYMBOL(rk_get_fb);
3328 void rk_direct_fb_show(struct fb_info *fbi)
3331 rk_fb_pan_display(&fbi->var, fbi);
3333 EXPORT_SYMBOL(rk_direct_fb_show);
3335 int rk_fb_dpi_open(bool open)
3337 struct rk_lcdc_driver *dev_drv = NULL;
3338 dev_drv = rk_get_prmry_lcdc_drv();
3340 if (dev_drv->ops->dpi_open)
3341 dev_drv->ops->dpi_open(dev_drv, open);
3345 int rk_fb_dpi_win_sel(int win_id)
3347 struct rk_lcdc_driver *dev_drv = NULL;
3348 dev_drv = rk_get_prmry_lcdc_drv();
3350 if (dev_drv->ops->dpi_win_sel)
3351 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3355 int rk_fb_dpi_status(void)
3358 struct rk_lcdc_driver *dev_drv = NULL;
3360 dev_drv = rk_get_prmry_lcdc_drv();
3361 if (dev_drv->ops->dpi_status)
3362 ret = dev_drv->ops->dpi_status(dev_drv);
3368 * function: this function will be called by display device, enable/disable lcdc
3369 * @screen: screen timing to be set to lcdc
3370 * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3371 * @lcdc_id: the lcdc id the display device attached ,0 or 1
3373 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3375 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3376 struct fb_info *info = NULL;
3377 struct rk_fb_par *fb_par = NULL;
3378 struct rk_lcdc_driver *dev_drv = NULL;
3379 struct rk_lcdc_win *win;
3382 static bool load_screen = false;
3386 int ret, list_is_empty = 0;
3388 if (unlikely(!rk_fb) || unlikely(!screen))
3391 /* get lcdc driver */
3392 sprintf(name, "lcdc%d", lcdc_id);
3393 dev_drv = rk_get_lcdc_drv(name);
3395 if (dev_drv == NULL) {
3396 printk(KERN_ERR "%s driver not found!", name);
3399 if (screen->type == SCREEN_HDMI)
3400 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3402 else if (screen->type == SCREEN_TVOUT ||
3403 screen->type == SCREEN_TVOUT_TEST )
3404 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3406 if (enable == 2 /*&& dev_drv->enable*/)
3408 pr_info("switch:en=%d,lcdc_id=%d,screen type=%d,cur type=%d\n",
3409 enable, lcdc_id, screen->type, dev_drv->cur_screen->type);
3411 mutex_lock(&dev_drv->switch_screen);
3412 hdmi_switch_state = 0;
3413 dev_drv->hdmi_switch = 1;
3414 if (!dev_drv->uboot_logo) {
3416 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
3417 list_empty(&dev_drv->saved_list);
3418 if (!list_is_empty) {
3419 ret = wait_event_timeout(dev_drv->update_regs_wait,
3420 list_empty(&dev_drv->update_regs_list) &&
3421 list_empty(&dev_drv->saved_list),
3422 msecs_to_jiffies(60));
3424 pr_info("%s: wait update_regs_wait timeout\n",
3429 envp[0] = "switch screen";
3430 memset(envplcdc, 0, sizeof(envplcdc));
3431 memset(envpfbdev, 0, sizeof(envpfbdev));
3432 sprintf(envplcdc, "SCREEN=%d,ENABLE=%d", screen->type, enable);
3433 sprintf(envpfbdev, "FBDEV=%d", dev_drv->fb_index_base);
3435 envp[2] = envpfbdev;
3438 if ((rk_fb->disp_mode == ONE_DUAL) ||
3439 (rk_fb->disp_mode == NO_DUAL)) {
3440 if ((dev_drv->ops->backlight_close) &&
3441 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3442 dev_drv->ops->backlight_close(dev_drv, 1);
3443 if (!dev_drv->uboot_logo || load_screen ||
3444 (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3445 if (dev_drv->ops->dsp_black)
3446 dev_drv->ops->dsp_black(dev_drv, 0);
3448 if ((dev_drv->ops->set_screen_scaler) &&
3449 (rk_fb->disp_mode == ONE_DUAL))
3450 dev_drv->ops->set_screen_scaler(dev_drv,
3451 dev_drv->screen0, 0);
3454 /* if screen type is different, we do not disable lcdc. */
3455 if (dev_drv->cur_screen->type != screen->type) {
3456 dev_drv->hdmi_switch = 0;
3457 mutex_unlock(&dev_drv->switch_screen);
3461 /* if used one lcdc to dual disp, no need to close win */
3462 if ((rk_fb->disp_mode == ONE_DUAL) ||
3463 ((rk_fb->disp_mode == NO_DUAL) &&
3464 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))) {
3465 dev_drv->cur_screen = dev_drv->screen0;
3466 dev_drv->ops->load_screen(dev_drv, 1);
3467 /* force modify dsp size */
3468 info = rk_fb->fb[dev_drv->fb_index_base];
3469 info->var.grayscale &= 0xff;
3470 info->var.grayscale |=
3471 (dev_drv->cur_screen->mode.xres << 8) +
3472 (dev_drv->cur_screen->mode.yres << 20);
3473 mutex_lock(&dev_drv->win_config);
3474 info->var.xoffset = 0;
3475 info->var.yoffset = 0;
3476 info->fbops->fb_set_par(info);
3477 info->fbops->fb_pan_display(&info->var, info);
3478 mutex_unlock(&dev_drv->win_config);
3481 * if currently is loader display, black until new
3484 if (dev_drv->uboot_logo) {
3485 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3486 if (dev_drv->win[i] && dev_drv->win[i]->state &&
3487 dev_drv->ops->win_direct_en)
3488 dev_drv->ops->win_direct_en(dev_drv, i, 0);
3492 /*if (dev_drv->ops->dsp_black)
3493 dev_drv->ops->dsp_black(dev_drv, 0);*/
3494 if ((dev_drv->ops->backlight_close) &&
3495 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3496 dev_drv->ops->backlight_close(dev_drv, 0);
3497 } else if (rk_fb->num_lcdc > 1) {
3498 /* If there is more than one lcdc device, we disable
3499 the layer which attached to this device */
3500 dev_drv->suspend_flag = 1;
3501 flush_kthread_worker(&dev_drv->update_regs_worker);
3502 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3503 if (dev_drv->win[i] && dev_drv->win[i]->state)
3504 dev_drv->ops->open(dev_drv, i, 0);
3507 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3509 hdmi_switch_state = 0;
3510 dev_drv->hdmi_switch = 0;
3511 mutex_unlock(&dev_drv->switch_screen);
3514 if (dev_drv->uboot_logo) {
3515 if (dev_drv->cur_screen->mode.xres !=
3516 screen->mode.xres ||
3517 dev_drv->cur_screen->mode.yres !=
3521 if (dev_drv->screen1)
3522 dev_drv->cur_screen = dev_drv->screen1;
3524 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3525 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3526 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3527 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3528 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3530 if (!dev_drv->uboot_logo || load_screen ||
3531 (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3532 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3533 info = rk_fb->fb[dev_drv->fb_index_base + i];
3534 fb_par = (struct rk_fb_par *)info->par;
3535 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3536 win = dev_drv->win[win_id];
3537 if (win && fb_par->state) {
3538 mutex_lock(&dev_drv->win_config);
3539 dev_drv->ops->load_screen(dev_drv, 1);
3540 mutex_unlock(&dev_drv->win_config);
3542 info->var.activate |= FB_ACTIVATE_FORCE;
3543 if (rk_fb->disp_mode == ONE_DUAL) {
3544 info->var.grayscale &= 0xff;
3545 info->var.grayscale |=
3546 (dev_drv->cur_screen->xsize << 8) +
3547 (dev_drv->cur_screen->ysize << 20);
3549 if (dev_drv->uboot_logo && win->state) {
3550 if (win->area[0].xpos ||
3551 win->area[0].ypos) {
3553 (screen->mode.xres -
3554 win->area[0].xsize)/2;
3556 (screen->mode.yres -
3557 win->area[0].ysize)/2;
3559 win->area[0].xsize = screen->mode.xres;
3560 win->area[0].ysize = screen->mode.yres;
3562 dev_drv->ops->set_par(dev_drv, i);
3563 dev_drv->ops->cfg_done(dev_drv);
3564 } else if (!dev_drv->win[win_id]->state) {
3565 dev_drv->ops->open(dev_drv, win_id, 1);
3566 dev_drv->suspend_flag = 0;
3567 mutex_lock(&dev_drv->win_config);
3568 info->var.xoffset = 0;
3569 info->var.yoffset = 0;
3570 info->fbops->fb_set_par(info);
3571 info->fbops->fb_pan_display(&info->var, info);
3572 mutex_unlock(&dev_drv->win_config);
3577 dev_drv->ops->load_screen(dev_drv, 0);
3579 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3581 hdmi_switch_state = 1;
3583 dev_drv->hdmi_switch = 0;
3584 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3585 if ((dev_drv->ops->set_screen_scaler) &&
3586 (rk_fb->disp_mode == ONE_DUAL))
3587 dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3588 /*if (dev_drv->ops->dsp_black)
3589 dev_drv->ops->dsp_black(dev_drv, 0);*/
3590 if ((dev_drv->ops->backlight_close) &&
3591 (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3592 (rk_fb->disp_mode == ONE_DUAL))
3593 dev_drv->ops->backlight_close(dev_drv, 0);
3595 mutex_unlock(&dev_drv->switch_screen);
3600 * function:this function current only called by hdmi for
3602 * scale_x: scale rate of x resolution
3603 * scale_y: scale rate of y resolution
3604 * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3606 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3608 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3609 struct fb_info *info = NULL;
3610 struct fb_info *pmy_info = NULL;
3611 struct fb_var_screeninfo *var = NULL;
3612 struct rk_lcdc_driver *dev_drv = NULL;
3613 u16 screen_x, screen_y;
3616 struct rk_screen primary_screen;
3617 rk_fb_get_prmry_screen(&primary_screen);
3618 if (primary_screen.type == SCREEN_HDMI) {
3621 pr_err("fuck not be hear--%s\n",__func__);
3624 sprintf(name, "lcdc%d", lcdc_id);
3626 if (inf->disp_mode == DUAL) {
3627 dev_drv = rk_get_lcdc_drv(name);
3628 if (dev_drv == NULL) {
3629 printk(KERN_ERR "%s driver not found!", name);
3633 dev_drv = inf->lcdc_dev_drv[0];
3636 if (inf->num_lcdc == 1) {
3638 } else if (inf->num_lcdc == 2) {
3639 info = inf->fb[dev_drv->lcdc_win_num];
3640 pmy_info = inf->fb[0];
3644 screen_x = dev_drv->cur_screen->mode.xres;
3645 screen_y = dev_drv->cur_screen->mode.yres;
3647 if (inf->disp_mode != DUAL && dev_drv->screen1) {
3648 dev_drv->cur_screen->xpos =
3649 (screen_x - screen_x * scale_x / 100) >> 1;
3650 dev_drv->cur_screen->ypos =
3651 (screen_y - screen_y * scale_y / 100) >> 1;
3652 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3653 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3655 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3656 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3657 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3658 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3659 if (inf->disp_mode == ONE_DUAL) {
3660 var->nonstd &= 0xff;
3661 var->nonstd |= (xpos << 8) + (ypos << 20);
3662 var->grayscale &= 0xff;
3664 (dev_drv->cur_screen->xsize << 8) +
3665 (dev_drv->cur_screen->ysize << 20);
3669 mutex_lock(&dev_drv->win_config);
3670 info->fbops->fb_set_par(info);
3671 dev_drv->ops->cfg_done(dev_drv);
3672 mutex_unlock(&dev_drv->win_config);
3677 #if defined(CONFIG_ION_ROCKCHIP)
3678 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3679 struct rk_lcdc_win *win,
3680 unsigned long fb_mem_size)
3682 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3683 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3684 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3685 struct ion_handle *handle;
3686 ion_phys_addr_t phy_addr;
3689 if (dev_drv->iommu_enabled)
3690 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3691 ION_HEAP_SYSTEM_MASK, 0);
3693 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3694 ION_HEAP_TYPE_DMA_MASK, 0);
3695 if (IS_ERR(handle)) {
3696 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3701 fb_par->ion_hdl = handle;
3702 win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3703 if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3704 printk("ion_share_dma_buf() failed\n");
3705 goto err_share_dma_buf;
3707 win->area[0].ion_hdl = handle;
3708 if (dev_drv->prop == PRMRY)
3709 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3710 #ifdef CONFIG_RK_IOMMU
3711 if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3712 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3713 (unsigned long *)&phy_addr,
3714 (unsigned long *)&len);
3716 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3718 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3721 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3722 goto err_share_dma_buf;
3724 fbi->fix.smem_start = phy_addr;
3725 fbi->fix.smem_len = len;
3726 printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3730 ion_free(rk_fb->ion_client, handle);
3735 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3737 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3738 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3739 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3740 struct rk_lcdc_win *win = NULL;
3743 unsigned long fb_mem_size;
3744 #if !defined(CONFIG_ION_ROCKCHIP)
3745 dma_addr_t fb_mem_phys;
3748 ion_phys_addr_t phy_addr;
3751 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3755 win = dev_drv->win[win_id];
3757 if (!strcmp(fbi->fix.id, "fb0")) {
3758 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3759 #if defined(CONFIG_ION_ROCKCHIP)
3760 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3763 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3764 &fb_mem_phys, GFP_KERNEL);
3766 pr_err("%s: Failed to allocate framebuffer\n",
3770 fbi->fix.smem_len = fb_mem_size;
3771 fbi->fix.smem_start = fb_mem_phys;
3772 fbi->screen_base = fb_mem_virt;
3774 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3776 if (dev_drv->prop == EXTEND && dev_drv->iommu_enabled) {
3777 struct rk_lcdc_driver *dev_drv_prmry;
3779 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3780 #if defined(CONFIG_ION_ROCKCHIP)
3781 dev_drv_prmry = rk_get_prmry_lcdc_drv();
3782 if (dev_drv_prmry == NULL)
3785 dev_drv_prmry->ops->fb_get_win_id(dev_drv_prmry,
3787 if (win_id_prmry < 0)
3791 dev_drv_prmry->win[win_id_prmry]->area[0].ion_hdl;
3793 ion_map_kernel(rk_fb->ion_client,
3795 dev_drv->win[win_id]->area[0].ion_hdl =
3797 #ifdef CONFIG_RK_IOMMU
3798 if (dev_drv->mmu_dev)
3799 ret = ion_map_iommu(dev_drv->dev,
3802 (unsigned long *)&phy_addr,
3803 (unsigned long *)&len);
3805 ret = ion_phys(rk_fb->ion_client,
3810 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3813 fbi->fix.smem_start = phy_addr;
3814 fbi->fix.smem_len = len;
3816 fb_mem_virt = dma_alloc_writecombine(fbi->dev,
3821 pr_err("%s: Failed to allocate framebuffer\n",
3825 fbi->fix.smem_len = fb_mem_size;
3826 fbi->fix.smem_start = fb_mem_phys;
3827 fbi->screen_base = fb_mem_virt;
3830 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3831 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3832 fbi->screen_base = rk_fb->fb[0]->screen_base;
3836 fbi->screen_size = fbi->fix.smem_len;
3837 fb_par->fb_phy_base = fbi->fix.smem_start;
3838 fb_par->fb_virt_base = fbi->screen_base;
3839 fb_par->fb_size = fbi->fix.smem_len;
3841 pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3842 fbi->fix.smem_start, fbi->screen_base,
3848 static int rk_release_fb_buffer(struct fb_info *fbi)
3850 /* buffer for fb1 and fb3 are alloc by android */
3851 if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3853 iounmap(fbi->screen_base);
3854 release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3859 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3860 struct rk_lcdc_win *def_win)
3863 int lcdc_win_num = dev_drv->lcdc_win_num;
3865 for (i = 0; i < lcdc_win_num; i++) {
3866 struct rk_lcdc_win *win = NULL;
3867 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3869 dev_err(dev_drv->dev, "kzmalloc for win fail!");
3873 strcpy(win->name, def_win[i].name);
3874 win->id = def_win[i].id;
3875 win->support_3d = def_win[i].support_3d;
3876 dev_drv->win[i] = win;
3882 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3883 struct rk_lcdc_win *def_win, int index)
3885 struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3886 struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3887 sizeof(struct rk_screen),
3892 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3897 screen->screen_id = 0;
3898 screen->lcdc_id = dev_drv->id;
3899 screen->overscan.left = 100;
3900 screen->overscan.top = 100;
3901 screen->overscan.right = 100;
3902 screen->overscan.bottom = 100;
3904 screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3905 screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3907 dev_drv->screen0 = screen;
3908 dev_drv->cur_screen = screen;
3909 /* devie use one lcdc + rk61x scaler for dual display */
3910 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3911 struct rk_screen *screen1 =
3912 devm_kzalloc(dev_drv->dev,
3913 sizeof(struct rk_screen),
3916 dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3920 screen1->screen_id = 1;
3921 screen1->lcdc_id = 1;
3922 dev_drv->screen1 = screen1;
3924 sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3925 init_lcdc_win(dev_drv, def_win);
3926 init_completion(&dev_drv->frame_done);
3927 spin_lock_init(&dev_drv->cpl_lock);
3928 mutex_init(&dev_drv->fb_win_id_mutex);
3929 mutex_init(&dev_drv->win_config);
3930 mutex_init(&dev_drv->front_lock);
3931 mutex_init(&dev_drv->switch_screen);
3932 dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3933 dev_drv->first_frame = 1;
3934 dev_drv->overscan.left = 100;
3935 dev_drv->overscan.top = 100;
3936 dev_drv->overscan.right = 100;
3937 dev_drv->overscan.bottom = 100;
3938 for (i = 0; i < RK30_MAX_LAYER_SUPPORT; i++)
3939 dev_drv->area_support[i] = 1;
3940 if (dev_drv->ops->area_support_num)
3941 dev_drv->ops->area_support_num(dev_drv, dev_drv->area_support);
3942 rk_disp_pwr_ctr_parse_dt(dev_drv);
3943 if (dev_drv->prop == PRMRY) {
3944 rk_fb_set_prmry_screen(screen);
3945 rk_fb_get_prmry_screen(screen);
3947 dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3948 if (dev_drv->prop != PRMRY)
3949 rk_fb_get_prmry_screen(screen);
3950 dev_drv->output_color = screen->color_mode;
3955 #ifdef CONFIG_LOGO_LINUX_BMP
3956 static struct linux_logo *bmp_logo;
3957 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3959 bmp_logo = fb_find_logo(24);
3960 if (bmp_logo == NULL) {
3961 printk(KERN_INFO "%s error\n", __func__);
3967 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3969 unsigned char *src = bmp_logo->data;
3970 unsigned char *dst = info->screen_base;
3972 unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3973 unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3975 for (i = 0; i < Needheight; i++)
3976 memcpy(dst + info->var.xres * i * 4,
3977 src + bmp_logo->width * i * 4, Needwidth * 4);
3982 * check if the primary lcdc has registerd,
3983 * the primary lcdc mas register first
3985 bool is_prmry_rk_lcdc_registered(void)
3987 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3989 if (rk_fb->lcdc_dev_drv[0])
3995 __weak phys_addr_t uboot_logo_base;
3996 __weak phys_addr_t uboot_logo_size;
3997 __weak phys_addr_t uboot_logo_offset;
3999 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
4000 struct rk_lcdc_win *win, int id)
4002 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4003 struct fb_info *fbi;
4004 struct rk_fb_par *fb_par = NULL;
4005 int i = 0, ret = 0, index = 0;
4006 unsigned long flags;
4008 if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
4011 for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
4012 if (!rk_fb->lcdc_dev_drv[i]) {
4013 rk_fb->lcdc_dev_drv[i] = dev_drv;
4014 rk_fb->lcdc_dev_drv[i]->id = id;
4021 init_lcdc_device_driver(rk_fb, win, index);
4022 dev_drv->fb_index_base = rk_fb->num_fb;
4023 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
4024 fbi = framebuffer_alloc(0, &fb_pdev->dev);
4026 dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
4029 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
4032 dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
4036 fb_par->id = rk_fb->num_fb;
4037 fb_par->lcdc_drv = dev_drv;
4038 fbi->par = (void *)fb_par;
4041 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
4042 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
4043 fbi->var.grayscale |=
4044 (fbi->var.xres << 8) + (fbi->var.yres << 20);
4045 #if defined(CONFIG_LOGO_LINUX_BMP)
4046 fbi->var.bits_per_pixel = 32;
4048 fbi->var.bits_per_pixel = 16;
4050 fbi->fix.line_length =
4051 (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
4052 fbi->var.width = dev_drv->cur_screen->width;
4053 fbi->var.height = dev_drv->cur_screen->height;
4054 if (dev_drv->iommu_enabled)
4055 fb_ops.fb_mmap = rk_fb_mmap;
4056 fbi->fbops = &fb_ops;
4057 fbi->flags = FBINFO_FLAG_DEFAULT;
4058 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
4059 ret = register_framebuffer(fbi);
4061 dev_err(&fb_pdev->dev,
4062 "%s fb%d register_framebuffer fail!\n",
4063 __func__, rk_fb->num_fb);
4066 rkfb_create_sysfs(fbi);
4067 rk_fb->fb[rk_fb->num_fb] = fbi;
4068 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
4073 init_waitqueue_head(&dev_drv->vsync_info.wait);
4074 init_waitqueue_head(&dev_drv->update_regs_wait);
4075 ret = device_create_file(fbi->dev, &dev_attr_vsync);
4078 "failed to create vsync file\n");
4079 dev_drv->vsync_info.thread =
4080 kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
4082 if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
4084 "failed to run vsync thread\n");
4085 dev_drv->vsync_info.thread = NULL;
4087 dev_drv->vsync_info.active = 1;
4089 mutex_init(&dev_drv->output_lock);
4091 INIT_LIST_HEAD(&dev_drv->update_regs_list);
4092 mutex_init(&dev_drv->update_regs_list_lock);
4093 init_kthread_worker(&dev_drv->update_regs_worker);
4095 dev_drv->update_regs_thread =
4096 kthread_run(kthread_worker_fn,
4097 &dev_drv->update_regs_worker, "rk-fb");
4098 if (IS_ERR(dev_drv->update_regs_thread)) {
4099 int err = PTR_ERR(dev_drv->update_regs_thread);
4100 dev_drv->update_regs_thread = NULL;
4102 printk("failed to run update_regs thread\n");
4105 init_kthread_work(&dev_drv->update_regs_work,
4106 rk_fb_update_regs_handler);
4109 sw_sync_timeline_create("fb-timeline");
4110 dev_drv->timeline_max = 1;
4114 /* show logo for primary display device */
4115 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
4116 if (dev_drv->prop == PRMRY) {
4120 struct fb_info *main_fbi = rk_fb->fb[0];
4121 main_fbi->fbops->fb_open(main_fbi, 1);
4122 main_fbi->var.pixclock = dev_drv->pixclock;
4123 #if defined(CONFIG_RK_IOMMU)
4124 if (dev_drv->iommu_enabled) {
4125 if (dev_drv->mmu_dev)
4126 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4127 rk_fb_sysmmu_fault_handler);
4131 rk_fb_alloc_buffer(main_fbi); /* only alloc memory for main fb */
4132 dev_drv->uboot_logo = support_uboot_display();
4134 if (dev_drv->uboot_logo &&
4135 uboot_logo_offset && uboot_logo_base) {
4136 int width, height, bits;
4137 phys_addr_t start = uboot_logo_base + uboot_logo_offset;
4138 unsigned int size = uboot_logo_size - uboot_logo_offset;
4139 unsigned int nr_pages;
4140 struct page **pages;
4144 if (dev_drv->ops->get_dspbuf_info)
4145 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4146 &yact, &format, &dsp_addr);
4147 nr_pages = size >> PAGE_SHIFT;
4148 pages = kzalloc(sizeof(struct page) * nr_pages,
4150 while (i < nr_pages) {
4151 pages[i] = phys_to_page(start);
4155 vaddr = vmap(pages, nr_pages, VM_MAP,
4156 pgprot_writecombine(PAGE_KERNEL));
4158 pr_err("failed to vmap phy addr 0x%lx\n",
4159 (long)(uboot_logo_base +
4160 uboot_logo_offset));
4164 if(bmpdecoder(vaddr, main_fbi->screen_base, &width,
4172 if (dev_drv->uboot_logo &&
4173 (width != xact || height != yact)) {
4174 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
4175 xact, yact, width, height);
4178 local_irq_save(flags);
4179 if (dev_drv->ops->wait_frame_start)
4180 dev_drv->ops->wait_frame_start(dev_drv, 0);
4181 if (dev_drv->ops->post_dspbuf) {
4182 dev_drv->ops->post_dspbuf(dev_drv,
4183 main_fbi->fix.smem_start,
4184 rk_fb_data_fmt(0, bits),
4185 width, height, width * bits >> 5);
4187 if (dev_drv->iommu_enabled) {
4188 rk_fb_poll_wait_frame_complete();
4189 if (dev_drv->ops->mmu_en)
4190 dev_drv->ops->mmu_en(dev_drv);
4193 local_irq_restore(flags);
4195 } else if (dev_drv->uboot_logo && uboot_logo_base) {
4196 u32 start = uboot_logo_base;
4197 u32 start_base = start;
4199 unsigned int nr_pages;
4200 struct page **pages;
4203 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4206 logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
4207 if (logo_len > uboot_logo_size ||
4208 logo_len > main_fbi->fix.smem_len) {
4209 pr_err("logo size > uboot reserve buffer size\n");
4213 nr_pages = uboot_logo_size >> PAGE_SHIFT;
4214 pages = kzalloc(sizeof(struct page) * nr_pages,
4216 while (i < nr_pages) {
4217 pages[i] = phys_to_page(start);
4221 vaddr = vmap(pages, nr_pages, VM_MAP,
4222 pgprot_writecombine(PAGE_KERNEL));
4224 pr_err("failed to vmap phy addr 0x%x\n",
4229 memcpy(main_fbi->screen_base, vaddr, logo_len);
4233 local_irq_save(flags);
4234 if (dev_drv->ops->wait_frame_start)
4235 dev_drv->ops->wait_frame_start(dev_drv, 0);
4236 dev_drv->ops->post_dspbuf(dev_drv,
4237 main_fbi->fix.smem_start,
4239 xact * rk_fb_pixel_width(format) >> 5);
4240 if (dev_drv->iommu_enabled) {
4241 rk_fb_poll_wait_frame_complete();
4242 if (dev_drv->ops->mmu_en)
4243 dev_drv->ops->mmu_en(dev_drv);
4246 local_irq_restore(flags);
4249 if (dev_drv->iommu_enabled) {
4250 if (dev_drv->ops->mmu_en)
4251 dev_drv->ops->mmu_en(dev_drv);
4255 #if defined(CONFIG_LOGO)
4256 main_fbi->fbops->fb_set_par(main_fbi);
4257 #if defined(CONFIG_LOGO_LINUX_BMP)
4258 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
4259 fb_set_cmap(&main_fbi->cmap, main_fbi);
4260 fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
4263 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
4264 fb_set_cmap(&main_fbi->cmap, main_fbi);
4265 fb_show_logo(main_fbi, FB_ROTATE_UR);
4268 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
4271 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
4272 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
4273 extend_fbi->fbops->fb_open(extend_fbi, 1);
4274 #if defined(CONFIG_RK_IOMMU)
4275 if (dev_drv->iommu_enabled) {
4276 if (dev_drv->mmu_dev)
4277 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4278 rk_fb_sysmmu_fault_handler);
4281 rk_fb_alloc_buffer(extend_fbi);
4287 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
4289 struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
4290 struct fb_info *fbi;
4291 int fb_index_base = dev_drv->fb_index_base;
4292 int fb_num = dev_drv->lcdc_win_num;
4295 if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4296 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4297 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4300 for (i = 0; i < fb_num; i++)
4301 kfree(dev_drv->win[i]);
4303 for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4304 fbi = fb_inf->fb[i];
4305 unregister_framebuffer(fbi);
4306 /* rk_release_fb_buffer(fbi); */
4307 framebuffer_release(fbi);
4309 fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4315 static int rk_fb_probe(struct platform_device *pdev)
4317 struct rk_fb *rk_fb = NULL;
4318 struct device_node *np = pdev->dev.of_node;
4322 dev_err(&pdev->dev, "Missing device tree node.\n");
4326 rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4328 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4331 platform_set_drvdata(pdev, rk_fb);
4333 if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4334 rk_fb->disp_mode = mode;
4337 dev_err(&pdev->dev, "no disp-mode node found!");
4341 if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
4342 rk_fb->disp_policy = mode;
4343 pr_info("fb disp policy is %s\n", rk_fb->disp_policy ? "box":"sdk");
4346 if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4347 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
4349 dev_set_name(&pdev->dev, "rockchip-fb");
4350 #if defined(CONFIG_ION_ROCKCHIP)
4351 rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4352 if (IS_ERR(rk_fb->ion_client)) {
4353 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4354 return PTR_ERR(rk_fb->ion_client);
4356 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4361 dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4365 static int rk_fb_remove(struct platform_device *pdev)
4367 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4370 platform_set_drvdata(pdev, NULL);
4374 static void rk_fb_shutdown(struct platform_device *pdev)
4376 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4379 for (i = 0; i < rk_fb->num_lcdc; i++) {
4380 if (!rk_fb->lcdc_dev_drv[i])
4382 sw_sync_timeline_inc(rk_fb->lcdc_dev_drv[i]->timeline, 1);
4386 static const struct of_device_id rkfb_dt_ids[] = {
4387 {.compatible = "rockchip,rk-fb",},
4391 static struct platform_driver rk_fb_driver = {
4392 .probe = rk_fb_probe,
4393 .remove = rk_fb_remove,
4396 .owner = THIS_MODULE,
4397 .of_match_table = of_match_ptr(rkfb_dt_ids),
4399 .shutdown = rk_fb_shutdown,
4402 static int __init rk_fb_init(void)
4404 return platform_driver_register(&rk_fb_driver);
4407 static void __exit rk_fb_exit(void)
4409 platform_driver_unregister(&rk_fb_driver);
4412 fs_initcall(rk_fb_init);
4413 module_exit(rk_fb_exit);