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>
51 #include <dt-bindings/rkfb/rk_fb.h>
54 #if defined(CONFIG_ION_ROCKCHIP)
55 #include <linux/rockchip_ion.h>
56 #include <linux/rockchip-iovmm.h>
57 #include <linux/dma-buf.h>
58 #include <linux/highmem.h>
62 /* #define FB_ROATE_BY_KERNEL 1 */
64 static int hdmi_switch_state;
65 static struct platform_device *fb_pdev;
67 #if defined(CONFIG_FB_MIRRORING)
68 int (*video_data_to_mirroring) (struct fb_info *info, u32 yuv_phy[2]);
69 EXPORT_SYMBOL(video_data_to_mirroring);
72 extern phys_addr_t uboot_logo_base;
73 extern phys_addr_t uboot_logo_size;
74 extern phys_addr_t uboot_logo_offset;
75 static struct rk_fb_trsm_ops *trsm_lvds_ops;
76 static struct rk_fb_trsm_ops *trsm_edp_ops;
77 static struct rk_fb_trsm_ops *trsm_mipi_ops;
78 static int uboot_logo_on;
80 static int rk_fb_debug_lvl;
81 module_param(rk_fb_debug_lvl, int, S_IRUGO | S_IWUSR);
83 #define fb_dbg(level, x...) do { \
84 if (unlikely(rk_fb_debug_lvl >= level)) \
85 printk(KERN_DEBUG x); \
88 int support_uboot_display(void)
93 int rk_fb_get_display_policy(void)
98 rk_fb = platform_get_drvdata(fb_pdev);
99 return rk_fb->disp_policy;
101 return DISPLAY_POLICY_SDK;
105 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
110 case SCREEN_DUAL_LVDS:
111 case SCREEN_LVDS_10BIT:
112 case SCREEN_DUAL_LVDS_10BIT:
119 case SCREEN_DUAL_MIPI:
123 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
130 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
132 struct rk_fb_trsm_ops *ops;
136 case SCREEN_DUAL_LVDS:
137 case SCREEN_LVDS_10BIT:
138 case SCREEN_DUAL_LVDS_10BIT:
145 case SCREEN_DUAL_MIPI:
150 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
157 int rk_fb_pixel_width(int data_format)
160 switch (data_format) {
188 printk(KERN_WARNING "%s:un supported format:0x%x\n",
189 __func__, data_format);
195 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
199 switch (data_format) {
200 case HAL_PIXEL_FORMAT_RGBX_8888:
201 fb_data_fmt = XBGR888;
203 case HAL_PIXEL_FORMAT_RGBA_8888:
204 fb_data_fmt = ABGR888;
206 case HAL_PIXEL_FORMAT_BGRA_8888:
207 fb_data_fmt = ARGB888;
209 case HAL_PIXEL_FORMAT_RGB_888:
210 fb_data_fmt = RGB888;
212 case HAL_PIXEL_FORMAT_RGB_565:
213 fb_data_fmt = RGB565;
215 case HAL_PIXEL_FORMAT_YCbCr_422_SP: /* yuv422 */
216 fb_data_fmt = YUV422;
218 case HAL_PIXEL_FORMAT_YCrCb_420_SP: /* YUV420---vuvuvu */
219 fb_data_fmt = YUV420_NV21;
221 case HAL_PIXEL_FORMAT_YCrCb_NV12: /* YUV420---uvuvuv */
222 fb_data_fmt = YUV420;
224 case HAL_PIXEL_FORMAT_YCrCb_444: /* yuv444 */
225 fb_data_fmt = YUV444;
227 case HAL_PIXEL_FORMAT_YCrCb_NV12_10: /* yuv444 */
228 fb_data_fmt = YUV420_A;
230 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10: /* yuv444 */
231 fb_data_fmt = YUV422_A;
233 case HAL_PIXEL_FORMAT_YCrCb_420_SP_10: /* yuv444 */
234 fb_data_fmt = YUV444_A;
236 case HAL_PIXEL_FORMAT_FBDC_RGB565: /* fbdc rgb565*/
237 fb_data_fmt = FBDC_RGB_565;
239 case HAL_PIXEL_FORMAT_FBDC_U8U8U8U8: /* fbdc argb888 */
240 fb_data_fmt = FBDC_ARGB_888;
242 case HAL_PIXEL_FORMAT_FBDC_RGBA888: /* fbdc abgr888 */
243 fb_data_fmt = FBDC_ABGR_888;
245 case HAL_PIXEL_FORMAT_FBDC_U8U8U8: /* fbdc rgb888 */
246 fb_data_fmt = FBDC_RGBX_888;
249 printk(KERN_WARNING "%s:un supported format:0x%x\n",
250 __func__, data_format);
254 switch (bits_per_pixel) {
256 fb_data_fmt = ARGB888;
259 fb_data_fmt = RGB888;
262 fb_data_fmt = RGB565;
266 "%s:un supported bits_per_pixel:%d\n", __func__,
275 * rk display power control parse from dts
277 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
279 struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
281 struct device_node *child;
282 struct rk_disp_pwr_ctr_list *pwr_ctr;
283 struct list_head *pos;
284 enum of_gpio_flags flags;
289 INIT_LIST_HEAD(&dev_drv->pwrlist_head);
291 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
296 for_each_child_of_node(root, child) {
297 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
299 strcpy(pwr_ctr->pwr_ctr.name, child->name);
300 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
302 pwr_ctr->pwr_ctr.type = GPIO;
303 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
304 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
305 dev_err(dev_drv->dev, "%s ivalid gpio\n",
309 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
310 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
313 dev_err(dev_drv->dev,
314 "request %s gpio fail:%d\n",
319 pwr_ctr->pwr_ctr.type = REGULATOR;
320 pwr_ctr->pwr_ctr.rgl_name = NULL;
321 ret = of_property_read_string(child, "rockchip,regulator_name",
322 &(pwr_ctr->pwr_ctr.rgl_name));
323 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
324 dev_err(dev_drv->dev, "get regulator name failed!\n");
325 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
326 pwr_ctr->pwr_ctr.volt = val;
328 pwr_ctr->pwr_ctr.volt = 0;
332 if (!of_property_read_u32(child, "rockchip,delay", &val))
333 pwr_ctr->pwr_ctr.delay = val;
335 pwr_ctr->pwr_ctr.delay = 0;
336 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
339 of_property_read_u32(root, "rockchip,debug", &debug);
342 list_for_each(pos, &dev_drv->pwrlist_head) {
343 pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
345 printk(KERN_INFO "pwr_ctr_name:%s\n"
350 pwr_ctr->pwr_ctr.name,
351 (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
352 pwr_ctr->pwr_ctr.gpio,
353 pwr_ctr->pwr_ctr.atv_val,
354 pwr_ctr->pwr_ctr.delay);
362 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
364 struct list_head *pos;
365 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
366 struct pwr_ctr *pwr_ctr;
367 struct regulator *regulator_lcd = NULL;
370 if (list_empty(&dev_drv->pwrlist_head))
372 list_for_each(pos, &dev_drv->pwrlist_head) {
373 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
375 pwr_ctr = &pwr_ctr_list->pwr_ctr;
376 if (pwr_ctr->type == GPIO) {
377 gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
378 mdelay(pwr_ctr->delay);
379 } else if (pwr_ctr->type == REGULATOR) {
380 if (pwr_ctr->rgl_name)
381 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
382 if (regulator_lcd == NULL) {
383 dev_err(dev_drv->dev,
384 "%s: regulator get failed,regulator name:%s\n",
385 __func__, pwr_ctr->rgl_name);
388 regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
389 while (!regulator_is_enabled(regulator_lcd)) {
390 if (regulator_enable(regulator_lcd) == 0 || count == 0)
393 dev_err(dev_drv->dev,
394 "regulator_enable failed,count=%d\n",
398 regulator_put(regulator_lcd);
399 msleep(pwr_ctr->delay);
406 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
408 struct list_head *pos;
409 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
410 struct pwr_ctr *pwr_ctr;
411 struct regulator *regulator_lcd = NULL;
414 if (list_empty(&dev_drv->pwrlist_head))
416 list_for_each(pos, &dev_drv->pwrlist_head) {
417 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
419 pwr_ctr = &pwr_ctr_list->pwr_ctr;
420 if (pwr_ctr->type == GPIO) {
421 gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
422 } else if (pwr_ctr->type == REGULATOR) {
423 if (pwr_ctr->rgl_name)
424 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
425 if (regulator_lcd == NULL) {
426 dev_err(dev_drv->dev,
427 "%s: regulator get failed,regulator name:%s\n",
428 __func__, pwr_ctr->rgl_name);
431 while (regulator_is_enabled(regulator_lcd) > 0) {
432 if (regulator_disable(regulator_lcd) == 0 || count == 0)
435 dev_err(dev_drv->dev,
436 "regulator_disable failed,count=%d\n",
440 regulator_put(regulator_lcd);
446 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
447 struct rk_screen *screen)
449 screen->mode.pixclock = dt->pixelclock.typ;
450 screen->mode.left_margin = dt->hback_porch.typ;
451 screen->mode.right_margin = dt->hfront_porch.typ;
452 screen->mode.xres = dt->hactive.typ;
453 screen->mode.hsync_len = dt->hsync_len.typ;
454 screen->mode.upper_margin = dt->vback_porch.typ;
455 screen->mode.lower_margin = dt->vfront_porch.typ;
456 screen->mode.yres = dt->vactive.typ;
457 screen->mode.vsync_len = dt->vsync_len.typ;
458 screen->type = dt->screen_type;
459 screen->lvds_format = dt->lvds_format;
460 screen->face = dt->face;
461 screen->color_mode = dt->color_mode;
462 screen->dsp_lut = dt->dsp_lut;
463 screen->cabc_lut = dt->cabc_lut;
464 screen->cabc_gamma_base = dt->cabc_gamma_base;
466 if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
467 screen->pin_dclk = 1;
469 screen->pin_dclk = 0;
470 if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
471 screen->pin_hsync = 1;
473 screen->pin_hsync = 0;
474 if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
475 screen->pin_vsync = 1;
477 screen->pin_vsync = 0;
478 if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
487 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
489 struct display_timings *disp_timing;
490 struct display_timing *dt;
491 disp_timing = of_get_display_timings(np);
493 pr_err("parse display timing err\n");
496 dt = display_timings_get(disp_timing, disp_timing->native_mode);
497 rk_fb_video_mode_from_timing(dt, screen);
502 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
505 unsigned long long hz;
507 printk(KERN_ERR "%s:null screen!\n", __func__);
510 x = screen->mode.xres + screen->mode.left_margin +
511 screen->mode.right_margin + screen->mode.hsync_len;
512 y = screen->mode.yres + screen->mode.upper_margin +
513 screen->mode.lower_margin + screen->mode.vsync_len;
515 hz = 1000000000000ULL; /* 1e12 picoseconds per second */
518 do_div(hz, x * y); /* divide by x * y with rounding */
521 do_div(hz, pixclock); /* divide by pixclock with rounding */
526 char *get_format_string(enum data_format format, char *fmt)
532 strcpy(fmt, "ARGB888");
535 strcpy(fmt, "RGB888");
538 strcpy(fmt, "RGB565");
542 strcpy(fmt, "YUV420");
545 strcpy(fmt, "YUV422");
548 strcpy(fmt, "YUV444");
551 strcpy(fmt, "YUV420_A");
554 strcpy(fmt, "YUV422_A");
557 strcpy(fmt, "YUV444_A");
560 strcpy(fmt, "XRGB888");
563 strcpy(fmt, "XBGR888");
566 strcpy(fmt, "ABGR888");
569 strcpy(fmt, "FBDC_RGB_565");
573 strcpy(fmt, "FBDC_ARGB_888");
576 strcpy(fmt, "FBDC_RGBX_888");
579 strcpy(fmt, "invalid");
589 * name: lcdc device name ,lcdc0 , lcdc1
591 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
593 struct rk_fb *inf = NULL;
594 struct rk_lcdc_driver *dev_drv = NULL;
598 inf = platform_get_drvdata(fb_pdev);
602 for (i = 0; i < inf->num_lcdc; i++) {
603 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
604 dev_drv = inf->lcdc_dev_drv[i];
612 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
614 struct rk_fb *inf = NULL;
615 struct rk_lcdc_driver *dev_drv = NULL;
619 inf = platform_get_drvdata(fb_pdev);
623 for (i = 0; i < inf->num_lcdc; i++) {
624 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
625 dev_drv = inf->lcdc_dev_drv[i];
633 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
635 struct rk_fb *inf = NULL;
636 struct rk_lcdc_driver *dev_drv = NULL;
640 inf = platform_get_drvdata(fb_pdev);
644 for (i = 0; i < inf->num_lcdc; i++) {
645 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
646 dev_drv = inf->lcdc_dev_drv[i];
655 * get one frame time of the prmry screen, unit: us
657 u32 rk_fb_get_prmry_screen_ft(void)
659 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
660 uint32_t htotal, vtotal, pixclock_ps;
661 u64 pix_total, ft_us;
663 if (unlikely(!dev_drv))
666 pixclock_ps = dev_drv->pixclock;
668 vtotal = (dev_drv->cur_screen->mode.upper_margin +
669 dev_drv->cur_screen->mode.lower_margin +
670 dev_drv->cur_screen->mode.yres +
671 dev_drv->cur_screen->mode.vsync_len);
672 htotal = (dev_drv->cur_screen->mode.left_margin +
673 dev_drv->cur_screen->mode.right_margin +
674 dev_drv->cur_screen->mode.xres +
675 dev_drv->cur_screen->mode.hsync_len);
676 pix_total = htotal * vtotal;
677 ft_us = pix_total * pixclock_ps;
678 do_div(ft_us, 1000000);
679 if (dev_drv->frame_time.ft == 0)
680 dev_drv->frame_time.ft = ft_us;
682 ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
684 ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
686 dev_drv->frame_time.ft = ft_us;
688 return dev_drv->frame_time.ft;
692 * get the vblanking time of the prmry screen, unit: us
694 u32 rk_fb_get_prmry_screen_vbt(void)
696 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
697 uint32_t htotal, vblank, pixclock_ps;
698 u64 pix_blank, vbt_us;
700 if (unlikely(!dev_drv))
703 pixclock_ps = dev_drv->pixclock;
705 htotal = (dev_drv->cur_screen->mode.left_margin +
706 dev_drv->cur_screen->mode.right_margin +
707 dev_drv->cur_screen->mode.xres +
708 dev_drv->cur_screen->mode.hsync_len);
709 vblank = (dev_drv->cur_screen->mode.upper_margin +
710 dev_drv->cur_screen->mode.lower_margin +
711 dev_drv->cur_screen->mode.vsync_len);
712 pix_blank = htotal * vblank;
713 vbt_us = pix_blank * pixclock_ps;
714 do_div(vbt_us, 1000000);
719 * get the frame done time of the prmry screen, unit: us
721 u64 rk_fb_get_prmry_screen_framedone_t(void)
723 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
725 if (unlikely(!dev_drv))
728 return dev_drv->frame_time.framedone_t;
732 * set prmry screen status
734 int rk_fb_set_prmry_screen_status(int status)
736 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
737 struct rk_screen *screen;
739 if (unlikely(!dev_drv))
742 screen = dev_drv->cur_screen;
744 case SCREEN_PREPARE_DDR_CHANGE:
745 if (screen->type == SCREEN_MIPI
746 || screen->type == SCREEN_DUAL_MIPI) {
747 if (dev_drv->trsm_ops->dsp_pwr_off)
748 dev_drv->trsm_ops->dsp_pwr_off();
751 case SCREEN_UNPREPARE_DDR_CHANGE:
752 if (screen->type == SCREEN_MIPI
753 || screen->type == SCREEN_DUAL_MIPI) {
754 if (dev_drv->trsm_ops->dsp_pwr_on)
755 dev_drv->trsm_ops->dsp_pwr_on();
765 u32 rk_fb_get_prmry_screen_pixclock(void)
767 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
769 if (unlikely(!dev_drv))
772 return dev_drv->pixclock;
775 int rk_fb_poll_prmry_screen_vblank(void)
777 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
779 if (likely(dev_drv)) {
780 if (dev_drv->ops->poll_vblank)
781 return dev_drv->ops->poll_vblank(dev_drv);
783 return RK_LF_STATUS_NC;
785 return RK_LF_STATUS_NC;
789 bool rk_fb_poll_wait_frame_complete(void)
791 uint32_t timeout = RK_LF_MAX_TIMEOUT;
792 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
794 if (likely(dev_drv)) {
795 if (dev_drv->ops->set_irq_to_cpu)
796 dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
799 if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
800 if (likely(dev_drv)) {
801 if (dev_drv->ops->set_irq_to_cpu)
802 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
806 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
808 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
810 if (likely(dev_drv)) {
811 if (dev_drv->ops->set_irq_to_cpu)
812 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
819 /* rk_fb_get_sysmmu_device_by_compatible()
820 * @compt: dts device compatible name
821 * return value: success: pointer to the device inside of platform device
824 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
826 struct device_node *dn = NULL;
827 struct platform_device *pd = NULL;
828 struct device *ret = NULL ;
830 dn = of_find_compatible_node(NULL, NULL, compt);
832 printk("can't find device node %s \r\n", compt);
836 pd = of_find_device_by_node(dn);
838 printk("can't find platform device in device node %s \r\n", compt);
846 #ifdef CONFIG_IOMMU_API
847 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
849 dev->archdata.iommu = sysmmu;
852 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
858 static int rk_fb_open(struct fb_info *info, int user)
860 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
861 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
864 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
866 /* if this win aready opened ,no need to reopen */
867 if (dev_drv->win[win_id]->state)
870 dev_drv->ops->open(dev_drv, win_id, 1);
874 static int rk_fb_close(struct fb_info *info, int user)
876 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
877 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
878 struct rk_lcdc_win *win = NULL;
879 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
882 win = dev_drv->win[win_id];
885 if (!fb_par->state) {
886 if (fb_par->fb_phy_base > 0)
887 info->fix.smem_start = fb_par->fb_phy_base;
888 info->var.xres = dev_drv->screen0->mode.xres;
889 info->var.yres = dev_drv->screen0->mode.yres;
891 info->var.grayscale |=
892 (info->var.xres << 8) + (info->var.yres << 20);
894 info->var.xres_virtual = info->var.xres;
895 info->var.yres_virtual = info->var.yres;
896 #if defined(CONFIG_LOGO_LINUX_BMP)
897 info->var.bits_per_pixel = 32;
899 info->var.bits_per_pixel = 16;
901 info->fix.line_length =
902 (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
903 info->var.width = dev_drv->screen0->width;
904 info->var.height = dev_drv->screen0->height;
905 info->var.pixclock = dev_drv->pixclock;
906 info->var.left_margin = dev_drv->screen0->mode.left_margin;
907 info->var.right_margin = dev_drv->screen0->mode.right_margin;
908 info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
909 info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
910 info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
911 info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
918 #if defined(FB_ROATE_BY_KERNEL)
920 #if defined(CONFIG_RK29_IPP)
921 static int get_ipp_format(int fmt)
923 int ipp_fmt = IPP_XRGB_8888;
925 case HAL_PIXEL_FORMAT_RGBX_8888:
926 case HAL_PIXEL_FORMAT_RGBA_8888:
927 case HAL_PIXEL_FORMAT_BGRA_8888:
928 case HAL_PIXEL_FORMAT_RGB_888:
929 ipp_fmt = IPP_XRGB_8888;
931 case HAL_PIXEL_FORMAT_RGB_565:
932 ipp_fmt = IPP_RGB_565;
934 case HAL_PIXEL_FORMAT_YCbCr_422_SP:
935 ipp_fmt = IPP_Y_CBCR_H2V1;
937 case HAL_PIXEL_FORMAT_YCrCb_NV12:
938 ipp_fmt = IPP_Y_CBCR_H2V2;
940 case HAL_PIXEL_FORMAT_YCrCb_444:
941 ipp_fmt = IPP_Y_CBCR_H1V1;
944 ipp_fmt = IPP_IMGTYPE_LIMIT;
951 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
952 int rotation, int fmt)
957 if (fmt == IPP_XRGB_8888) {
960 } else if (fmt == IPP_RGB_565) {
967 align16 -= 1; /*for YUV, 1 */
968 align64 -= 1; /*for YUV, 7 */
970 if (rotation == IPP_ROT_0) {
971 if (fmt > IPP_RGB_565) {
972 if ((*dst_w & 1) != 0)
974 if ((*dst_h & 1) != 0)
976 if (*dst_vir_w < *dst_w)
980 if ((*dst_w & align64) != 0)
981 *dst_w = (*dst_w + align64) & (~align64);
982 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
984 if (*dst_vir_w < *dst_w)
989 static void fb_copy_by_ipp(struct fb_info *dst_info,
990 struct fb_info *src_info)
992 struct rk29_ipp_req ipp_req;
993 uint32_t rotation = 0;
994 int dst_w, dst_h, dst_vir_w;
996 u8 data_format = (dst_info->var.nonstd) & 0xff;
997 struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
998 struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
999 u16 orientation = ext_dev_drv->rotate_mode;
1001 memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
1003 switch (orientation) {
1005 rotation = IPP_ROT_0;
1008 rotation = IPP_ROT_90;
1011 rotation = IPP_ROT_180;
1014 rotation = IPP_ROT_270;
1017 rotation = IPP_ROT_270;
1021 dst_w = dst_info->var.xres;
1022 dst_h = dst_info->var.yres;
1023 dst_vir_w = dst_info->var.xres_virtual;
1024 ipp_fmt = get_ipp_format(data_format);
1025 ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1026 ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1027 ipp_req.src0.w = src_info->var.xres;
1028 ipp_req.src0.h = src_info->var.yres;
1029 ipp_req.src_vir_w = src_info->var.xres_virtual;
1030 ipp_req.src0.fmt = ipp_fmt;
1032 ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1033 ipp_req.dst0.w = dst_w;
1034 ipp_req.dst0.h = dst_h;
1035 ipp_req.dst_vir_w = dst_vir_w;
1036 ipp_req.dst0.fmt = ipp_fmt;
1038 ipp_req.timeout = 100;
1039 ipp_req.flag = rotation;
1040 ipp_blit_sync(&ipp_req);
1045 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1046 static int get_rga_format(int fmt)
1052 rga_fmt = RK_FORMAT_RGBX_8888;
1055 rga_fmt = RK_FORMAT_RGBA_8888;
1058 rga_fmt = RK_FORMAT_BGRA_8888;
1061 rga_fmt = RK_FORMAT_RGB_888;
1064 rga_fmt = RK_FORMAT_RGB_565;
1067 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1070 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1073 rga_fmt = RK_FORMAT_RGBA_8888;
1080 static void rga_win_check(struct rk_lcdc_win *dst_win,
1081 struct rk_lcdc_win *src_win)
1085 format = get_rga_format(src_win->area[0].format);
1086 /* width and height must be even number */
1087 if (format >= RK_FORMAT_YCbCr_422_SP &&
1088 format <= RK_FORMAT_YCrCb_420_P) {
1089 if ((src_win->area[0].xact % 2) != 0)
1090 src_win->area[0].xact += 1;
1091 if ((src_win->area[0].yact % 2) != 0)
1092 src_win->area[0].yact += 1;
1094 if (src_win->area[0].xvir < src_win->area[0].xact)
1095 src_win->area[0].xvir = src_win->area[0].xact;
1096 if (src_win->area[0].yvir < src_win->area[0].yact)
1097 src_win->area[0].yvir = src_win->area[0].yact;
1099 format = get_rga_format(dst_win->area[0].format);
1100 if (format >= RK_FORMAT_YCbCr_422_SP &&
1101 format <= RK_FORMAT_YCrCb_420_P) {
1102 if ((dst_win->area[0].xact % 2) != 0)
1103 dst_win->area[0].xact += 1;
1104 if ((dst_win->area[0].yact % 2) != 0)
1105 dst_win->area[0].yact += 1;
1107 if (dst_win->area[0].xvir < dst_win->area[0].xact)
1108 dst_win->area[0].xvir = dst_win->area[0].xact;
1109 if (dst_win->area[0].yvir < dst_win->area[0].yact)
1110 dst_win->area[0].yvir = dst_win->area[0].yact;
1113 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1114 struct rk_lcdc_win *src_win,
1115 u16 orientation, int iommu_en)
1117 struct rga_req Rga_Request;
1121 memset(&Rga_Request, 0, sizeof(Rga_Request));
1122 rga_win_check(dst_win, src_win);
1124 switch (orientation) {
1126 Rga_Request.rotate_mode = 1;
1127 Rga_Request.sina = 65536;
1128 Rga_Request.cosa = 0;
1129 Rga_Request.dst.act_w = dst_win->area[0].yact;
1130 Rga_Request.dst.act_h = dst_win->area[0].xact;
1131 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1132 Rga_Request.dst.y_offset = 0;
1135 Rga_Request.rotate_mode = 1;
1136 Rga_Request.sina = 0;
1137 Rga_Request.cosa = -65536;
1138 Rga_Request.dst.act_w = dst_win->area[0].xact;
1139 Rga_Request.dst.act_h = dst_win->area[0].yact;
1140 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1141 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1144 Rga_Request.rotate_mode = 1;
1145 Rga_Request.sina = -65536;
1146 Rga_Request.cosa = 0;
1147 Rga_Request.dst.act_w = dst_win->area[0].yact;
1148 Rga_Request.dst.act_h = dst_win->area[0].xact;
1149 Rga_Request.dst.x_offset = 0;
1150 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1153 Rga_Request.rotate_mode = 0;
1154 Rga_Request.dst.act_w = dst_win->area[0].xact;
1155 Rga_Request.dst.act_h = dst_win->area[0].yact;
1156 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1157 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1162 fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1163 Rga_Request.src.yrgb_addr = fd;
1164 fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1165 Rga_Request.dst.yrgb_addr = fd;
1167 Rga_Request.src.yrgb_addr = 0;
1168 Rga_Request.src.uv_addr =
1169 src_win->area[0].smem_start + src_win->area[0].y_offset;
1170 Rga_Request.src.v_addr = 0;
1172 Rga_Request.dst.yrgb_addr = 0;
1173 Rga_Request.dst.uv_addr =
1174 dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1175 Rga_Request.dst.v_addr = 0;
1177 Rga_Request.src.vir_w = src_win->area[0].xvir;
1178 Rga_Request.src.vir_h = src_win->area[0].yvir;
1179 Rga_Request.src.format = get_rga_format(src_win->area[0].format);
1180 Rga_Request.src.act_w = src_win->area[0].xact;
1181 Rga_Request.src.act_h = src_win->area[0].yact;
1182 Rga_Request.src.x_offset = 0;
1183 Rga_Request.src.y_offset = 0;
1185 Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1186 Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1187 Rga_Request.dst.format = get_rga_format(dst_win->area[0].format);
1189 Rga_Request.clip.xmin = 0;
1190 Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1191 Rga_Request.clip.ymin = 0;
1192 Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1193 Rga_Request.scale_mode = 0;
1194 #if defined(CONFIG_ROCKCHIP_IOMMU)
1196 Rga_Request.mmu_info.mmu_en = 1;
1197 Rga_Request.mmu_info.mmu_flag = 1;
1199 Rga_Request.mmu_info.mmu_en = 0;
1200 Rga_Request.mmu_info.mmu_flag = 0;
1203 Rga_Request.mmu_info.mmu_en = 0;
1204 Rga_Request.mmu_info.mmu_flag = 0;
1207 ret = rga_ioctl_kernel(&Rga_Request);
1211 * This function is used for copying fb by RGA Module
1212 * RGA only support copy RGB to RGB
1213 * RGA2 support copy RGB to RGB and YUV to YUV
1215 static void fb_copy_by_rga(struct fb_info *dst_info,
1216 struct fb_info *src_info)
1218 struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1219 struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1220 struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1221 struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1222 int win_id = 0, ext_win_id;
1223 struct rk_lcdc_win *src_win, *dst_win;
1225 win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1226 src_win = dev_drv->win[win_id];
1229 ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1230 dst_win = ext_dev_drv->win[ext_win_id];
1232 win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1233 ext_dev_drv->iommu_enabled);
1237 static int rk_fb_rotate(struct fb_info *dst_info,
1238 struct fb_info *src_info)
1241 #if defined(CONFIG_RK29_IPP)
1242 fb_copy_by_ipp(dst_info, src_info);
1243 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1244 fb_copy_by_rga(dst_info, src_info);
1251 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1252 struct rk_lcdc_win *src_win,
1253 u16 rotate, int iommu_en)
1255 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1256 win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1265 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1266 struct fb_info *info)
1268 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1269 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1270 struct fb_fix_screeninfo *fix = &info->fix;
1272 struct rk_lcdc_win *win = NULL;
1273 struct rk_screen *screen = dev_drv->cur_screen;
1274 u32 xoffset = var->xoffset;
1275 u32 yoffset = var->yoffset;
1276 u32 xvir = var->xres_virtual;
1279 u32 stride, uv_stride;
1282 u16 uv_x_off, uv_y_off, uv_y_act;
1285 if (dev_drv->suspend_flag)
1287 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1291 win = dev_drv->win[win_id];
1293 pixel_width = rk_fb_pixel_width(win->area[0].format);
1294 vir_width_bit = pixel_width * xvir;
1295 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1296 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1298 switch (win->area[0].format) {
1302 stride = stride_32bit_1;
1303 uv_stride = stride_32bit_1 >> 1;
1304 uv_x_off = xoffset >> 1;
1306 fix->line_length = stride;
1307 uv_y_act = win->area[0].yact >> 1;
1309 case YUV420: /* nv12 */
1310 case YUV420_NV21: /* nv21 */
1313 stride = stride_32bit_1;
1314 uv_stride = stride_32bit_1;
1316 uv_y_off = yoffset >> 1;
1317 fix->line_length = stride;
1318 uv_y_act = win->area[0].yact >> 1;
1323 stride = stride_32bit_1;
1324 uv_stride = stride_32bit_2;
1325 uv_x_off = xoffset * 2;
1327 fix->line_length = stride << 2;
1328 uv_y_act = win->area[0].yact;
1331 stride = stride_32bit_1; /* default rgb */
1332 fix->line_length = stride;
1336 /* x y mirror ,jump line */
1337 if ((screen->y_mirror == 1) ||
1338 (win->mirror_en == 1)) {
1339 if (screen->interlace == 1) {
1340 win->area[0].y_offset = yoffset * stride * 2 +
1341 ((win->area[0].yact - 1) * 2 + 1) * stride +
1342 xoffset * pixel_width / 8;
1344 win->area[0].y_offset = yoffset * stride +
1345 (win->area[0].yact - 1) * stride +
1346 xoffset * pixel_width / 8;
1349 if (screen->interlace == 1) {
1350 win->area[0].y_offset =
1351 yoffset * stride * 2 + xoffset * pixel_width / 8;
1353 win->area[0].y_offset =
1354 yoffset * stride + xoffset * pixel_width / 8;
1357 if (is_pic_yuv == 1) {
1358 if ((screen->y_mirror == 1) ||
1359 (win->mirror_en == 1)) {
1360 if (screen->interlace == 1) {
1361 win->area[0].c_offset =
1362 uv_y_off * uv_stride * 2 +
1363 ((uv_y_act - 1) * 2 + 1) * uv_stride +
1364 uv_x_off * pixel_width / 8;
1366 win->area[0].c_offset = uv_y_off * uv_stride +
1367 (uv_y_act - 1) * uv_stride +
1368 uv_x_off * pixel_width / 8;
1371 if (screen->interlace == 1) {
1372 win->area[0].c_offset =
1373 uv_y_off * uv_stride * 2 +
1374 uv_x_off * pixel_width / 8;
1376 win->area[0].c_offset =
1377 uv_y_off * uv_stride +
1378 uv_x_off * pixel_width / 8;
1383 win->area[0].smem_start = fix->smem_start;
1384 win->area[0].cbr_start = fix->mmio_start;
1385 win->area[0].state = 1;
1388 dev_drv->ops->pan_display(dev_drv, win_id);
1390 #ifdef CONFIG_FB_MIRRORING
1391 if (video_data_to_mirroring)
1392 video_data_to_mirroring(info, NULL);
1394 /*if not want the config effect,set reserved[3] bit[0] 1*/
1395 if (likely((var->reserved[3] & 0x1) == 0))
1396 dev_drv->ops->cfg_done(dev_drv);
1401 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1405 i = list_empty(&dev_drv->update_regs_list);
1406 j = list_empty(&dev_drv->saved_list);
1407 return i == j ? 0 : 1;
1410 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1412 int err = sync_fence_wait(fence, 1000);
1418 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1421 printk("error waiting on fence\n");
1424 static int rk_fb_copy_from_loader(struct fb_info *info)
1426 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1427 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1428 void *dst = info->screen_base;
1433 struct rk_lcdc_win *win;
1435 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1436 win = dev_drv->win[win_id];
1437 size = (win->area[0].xact) * (win->area[0].yact) << 2;
1438 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1439 src = dsp_addr[win_id];
1440 dev_info(info->dev, "copy fb data %d x %d from dst_addr:%08x\n",
1441 win->area[0].xact, win->area[0].yact, src);
1442 for (i = 0; i < size; i += PAGE_SIZE) {
1443 void *page = phys_to_page(i + src);
1444 void *from_virt = kmap(page);
1445 void *to_virt = dst + i;
1446 memcpy(to_virt, from_virt, PAGE_SIZE);
1448 dev_drv->ops->direct_set_addr(dev_drv, win_id,
1449 info->fix.smem_start);
1453 #ifdef CONFIG_ROCKCHIP_IOMMU
1454 static int g_last_addr[4][4];
1459 #define DUMP_CHUNK 256
1460 char buf[PAGE_SIZE];
1462 int rk_fb_sysmmu_fault_handler(struct device *dev,
1463 enum rk_iommu_inttype itype,
1464 unsigned long pgtable_base,
1465 unsigned long fault_addr, unsigned int status)
1467 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1469 static int page_fault_cnt;
1470 if ((page_fault_cnt++) >= 10)
1473 ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1474 fault_addr, pgtable_base, status);
1475 pr_info("last config addr:\n");
1476 for (i = 0; i < 4; i++) {
1477 for (j = 0; j < 4; j++)
1478 pr_info("win[%d],area[%d] = 0x%08x\n",
1479 i, j, g_last_addr[i][j]);
1481 pr_info("last freed buffer:\n");
1482 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1483 printk("%d:0x%08x\n", i, freed_addr[i]);
1484 printk("last timeout:%d\n", g_last_timeout);
1485 dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1486 for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1487 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1488 char c = buf[i + DUMP_CHUNK];
1489 buf[i + DUMP_CHUNK] = 0;
1490 pr_cont("%s", buf + i);
1491 buf[i + DUMP_CHUNK] = c;
1493 buf[PAGE_SIZE - 1] = 0;
1494 pr_cont("%s", buf + i);
1502 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1503 struct rk_fb_reg_win_data *reg_win_data)
1506 struct rk_fb_reg_area_data *area_data;
1507 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1509 for (i = 0; i < reg_win_data->area_num; i++) {
1510 area_data = ®_win_data->reg_area_data[i];
1511 index_buf = area_data->index_buf;
1512 #if defined(CONFIG_ROCKCHIP_IOMMU)
1513 if (dev_drv->iommu_enabled) {
1514 if ((rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
1515 (area_data->ion_handle != NULL))
1516 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1517 area_data->ion_handle);
1518 freed_addr[freed_index++] = area_data->smem_start;
1521 if (area_data->ion_handle != NULL)
1522 ion_free(rk_fb->ion_client, area_data->ion_handle);
1524 if (area_data->acq_fence)
1525 sync_fence_put(area_data->acq_fence);
1527 memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1530 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1531 struct rk_lcdc_win *win,
1532 struct rk_fb_reg_win_data *reg_win_data)
1535 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1536 struct rk_screen *cur_screen;
1537 struct rk_screen primary_screen;
1539 if (unlikely(!inf) || unlikely(!dev_drv) ||
1540 unlikely(!win) || unlikely(!reg_win_data))
1543 cur_screen = dev_drv->cur_screen;
1544 rk_fb_get_prmry_screen(&primary_screen);
1546 win->area_num = reg_win_data->area_num;
1547 win->id = reg_win_data->win_id;
1548 win->z_order = reg_win_data->z_order;
1550 if (reg_win_data->reg_area_data[0].smem_start > 0) {
1552 win->area_num = reg_win_data->area_num;
1553 win->id = reg_win_data->win_id;
1554 win->z_order = reg_win_data->z_order;
1555 win->area[0].uv_vir_stride =
1556 reg_win_data->reg_area_data[0].uv_vir_stride;
1557 win->area[0].cbr_start =
1558 reg_win_data->reg_area_data[0].cbr_start;
1559 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1560 win->alpha_en = reg_win_data->alpha_en;
1561 win->alpha_mode = reg_win_data->alpha_mode;
1562 win->g_alpha_val = reg_win_data->g_alpha_val;
1563 win->mirror_en = reg_win_data->mirror_en;
1564 win->area[0].fbdc_en =
1565 reg_win_data->reg_area_data[0].fbdc_en;
1566 win->area[0].fbdc_cor_en =
1567 reg_win_data->reg_area_data[0].fbdc_cor_en;
1568 win->area[0].fbdc_data_format =
1569 reg_win_data->reg_area_data[0].fbdc_data_format;
1570 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1571 if (reg_win_data->reg_area_data[i].smem_start > 0) {
1572 win->area[i].format =
1573 reg_win_data->reg_area_data[i].data_format;
1574 if (inf->disp_policy != DISPLAY_POLICY_BOX)
1575 win->area[i].ion_hdl =
1576 reg_win_data->reg_area_data[i].ion_handle;
1577 win->area[i].smem_start =
1578 reg_win_data->reg_area_data[i].smem_start;
1579 if (inf->disp_mode == DUAL ||
1580 inf->disp_mode == NO_DUAL ||
1581 inf->disp_policy == DISPLAY_POLICY_BOX) {
1583 reg_win_data->reg_area_data[i].xpos;
1585 reg_win_data->reg_area_data[i].ypos;
1586 win->area[i].xsize =
1587 reg_win_data->reg_area_data[i].xsize;
1588 win->area[i].ysize =
1589 reg_win_data->reg_area_data[i].ysize;
1592 reg_win_data->reg_area_data[i].xpos *
1593 cur_screen->mode.xres /
1594 primary_screen.mode.xres;
1596 reg_win_data->reg_area_data[i].ypos *
1597 cur_screen->mode.yres /
1598 primary_screen.mode.yres;
1599 win->area[i].xsize =
1600 reg_win_data->reg_area_data[i].xsize *
1601 cur_screen->mode.xres /
1602 primary_screen.mode.xres;
1603 win->area[i].ysize =
1604 reg_win_data->reg_area_data[i].ysize *
1605 cur_screen->mode.yres /
1606 primary_screen.mode.yres;
1608 /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1609 if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
1610 if (cur_screen->xsize > 0 &&
1611 cur_screen->xsize <= cur_screen->mode.xres) {
1613 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1614 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1615 win->area[i].xsize =
1616 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1618 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1620 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1621 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1622 win->area[i].ysize =
1623 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1628 reg_win_data->reg_area_data[i].xact;
1630 reg_win_data->reg_area_data[i].yact;
1632 reg_win_data->reg_area_data[i].xvir;
1634 reg_win_data->reg_area_data[i].yvir;
1636 reg_win_data->reg_area_data[i].xoff;
1638 reg_win_data->reg_area_data[i].yoff;
1639 win->area[i].y_offset =
1640 reg_win_data->reg_area_data[i].y_offset;
1641 win->area[i].y_vir_stride =
1642 reg_win_data->reg_area_data[i].y_vir_stride;
1643 win->area[i].state = 1;
1644 #if defined(CONFIG_ROCKCHIP_IOMMU)
1645 if (dev_drv->iommu_enabled)
1646 g_last_addr[win->id][i] = win->area[i].smem_start +
1647 win->area[i].y_offset;
1650 win->area[i].state = 0;
1651 #if defined(CONFIG_ROCKCHIP_IOMMU)
1652 if (dev_drv->iommu_enabled)
1653 g_last_addr[win->id][i] = -1;
1660 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1664 struct rk_fb_reg_win_data *win_data = NULL;
1665 for (i = 0; i < regs->win_num; i++) {
1666 if (regs->reg_win_data[i].win_id == win_id) {
1667 win_data = &(regs->reg_win_data[i]);
1675 static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
1676 struct rk_fb_reg_data *regs,
1679 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1680 int i, j, wait_for_vsync = false;
1681 unsigned int dsp_addr[5][4];
1682 unsigned int area_support[5] = {1, 1, 1, 1, 1};
1685 if (dev_drv->ops->get_dsp_addr)
1686 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1688 if (dev_drv->ops->area_support_num)
1689 dev_drv->ops->area_support_num(dev_drv, area_support);
1691 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1692 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1693 (!strcmp(dev_drv->win[i]->name, "hwc")))
1696 for (j = 0;j < RK_WIN_MAX_AREA; j++) {
1697 if ((j > 0) && (area_support[i] == 1)) {
1700 if (dev_drv->win[i]->area[j].state == 1) {
1702 dev_drv->win[i]->area[j].smem_start +
1703 dev_drv->win[i]->area[j].y_offset;
1704 u32 reg_start = dsp_addr[i][j];
1705 if ((rk_fb->disp_policy ==
1706 DISPLAY_POLICY_BOX) &&
1707 (dev_drv->suspend_flag))
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 void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1734 struct rk_fb_reg_data *regs)
1737 struct rk_lcdc_win *win;
1738 ktime_t timestamp = dev_drv->vsync_info.timestamp;
1739 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1740 struct rk_fb_reg_win_data *win_data;
1741 bool wait_for_vsync;
1745 /* acq_fence wait */
1746 for (i = 0; i < regs->win_num; i++) {
1747 win_data = ®s->reg_win_data[i];
1748 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1749 if (win_data->reg_area_data[j].acq_fence) {
1750 /* printk("acq_fence wait!!!!!\n"); */
1751 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1756 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1757 win = dev_drv->win[i];
1758 win_data = rk_fb_get_win_data(regs, i);
1760 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1761 (win_data->reg_area_data[0].data_format == YUV420 ||
1762 win_data->reg_area_data[0].data_format == YUV420_NV21 ||
1763 win_data->reg_area_data[0].data_format == YUV420_A))
1765 mutex_lock(&dev_drv->win_config);
1766 rk_fb_update_win(dev_drv, win, win_data);
1768 dev_drv->ops->set_par(dev_drv, i);
1769 dev_drv->ops->pan_display(dev_drv, i);
1770 mutex_unlock(&dev_drv->win_config);
1774 #if defined(CONFIG_ROCKCHIP_IOMMU)
1775 if (dev_drv->iommu_enabled) {
1776 for (j = 0; j < 4; j++)
1777 g_last_addr[i][j] = -1;
1782 dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1783 dev_drv->ops->cfg_done(dev_drv);
1786 timestamp = dev_drv->vsync_info.timestamp;
1787 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1788 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1789 msecs_to_jiffies(50));
1791 wait_for_vsync = rk_fb_reg_effect(dev_drv, regs, count);
1792 } while (wait_for_vsync && count--);
1794 sw_sync_timeline_inc(dev_drv->timeline, 1);
1797 if (dev_drv->front_regs) {
1798 #if defined(CONFIG_ROCKCHIP_IOMMU)
1799 if (dev_drv->iommu_enabled) {
1800 if (dev_drv->ops->mmu_en)
1801 dev_drv->ops->mmu_en(dev_drv);
1803 g_last_timeout = timeout;
1807 mutex_lock(&dev_drv->front_lock);
1809 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1810 win_data = &dev_drv->front_regs->reg_win_data[i];
1811 rk_fb_free_dma_buf(dev_drv, win_data);
1813 kfree(dev_drv->front_regs);
1815 mutex_unlock(&dev_drv->front_lock);
1817 #if defined(CONFIG_ROCKCHIP_IOMMU)
1818 if (dev_drv->iommu_enabled)
1819 freed_addr[freed_index] = 0xfefefefe;
1823 mutex_lock(&dev_drv->front_lock);
1825 dev_drv->front_regs = regs;
1827 mutex_unlock(&dev_drv->front_lock);
1829 trace_buffer_dump(&fb_pdev->dev, dev_drv);
1832 static void rk_fb_update_regs_handler(struct kthread_work *work)
1834 struct rk_lcdc_driver *dev_drv =
1835 container_of(work, struct rk_lcdc_driver, update_regs_work);
1836 struct rk_fb_reg_data *data, *next;
1838 mutex_lock(&dev_drv->update_regs_list_lock);
1839 dev_drv->saved_list = dev_drv->update_regs_list;
1840 list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1841 mutex_unlock(&dev_drv->update_regs_list_lock);
1843 list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
1844 rk_fb_update_reg(dev_drv, data);
1845 list_del(&data->list);
1848 if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
1849 wake_up(&dev_drv->update_regs_wait);
1852 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
1853 struct rk_screen *screen)
1855 if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
1856 (area_par->xact <= 0) || (area_par->yact <= 0) ||
1857 (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
1858 pr_err("check config var fail 0:\n"
1859 "x_offset=%d,xact=%d,xvir=%d\n",
1860 area_par->x_offset, area_par->xact, area_par->xvir);
1864 if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
1865 (area_par->ypos + area_par->ysize > screen->mode.yres) ||
1866 (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
1867 pr_warn("check config var fail 1:\n"
1868 "xpos=%d,xsize=%d,xres=%d\n"
1869 "ypos=%d,ysize=%d,yres=%d\n",
1870 area_par->xpos, area_par->xsize, screen->mode.xres,
1871 area_par->ypos, area_par->ysize, screen->mode.yres);
1877 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
1878 struct rk_fb_win_cfg_data *win_data,
1879 struct rk_fb_reg_data *regs, u32 cmd)
1882 struct rk_fb_win_par *win_par;
1883 struct rk_fb_area_par *area_par;
1884 struct rk_fb_reg_win_data *reg_win_data;
1885 struct rk_fb_reg_area_data *area_data;
1887 unsigned int area_support[5] = {1, 1, 1, 1, 1};
1888 if (dev_drv->ops->area_support_num)
1889 dev_drv->ops->area_support_num(dev_drv, area_support);
1891 mutex_lock(&dev_drv->output_lock);
1892 fb_dbg(1, "-------------frame start-------------\n");
1893 fb_dbg(1, "user config:\n");
1894 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1895 win_par = &(win_data->win_par[i]);
1896 if ((win_par->area_par[0].ion_fd <= 0) &&
1897 (win_par->area_par[0].phy_addr <= 0))
1899 fb_dbg(1, "win[%d]:z_order=%d,galhpa_v=%d\n",
1900 win_par->win_id, win_par->z_order,
1901 win_par->g_alpha_val);
1902 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1903 area_par = &(win_par->area_par[j]);
1904 if (((j > 0) && (area_support[i] == 1)) ||
1905 ((win_par->area_par[j].ion_fd <= 0) &&
1906 (win_par->area_par[j].phy_addr <= 0)))
1908 fb_dbg(1, " area[%d]:fmt=%d,ion_fd=%d,phy_add=0x%x,xoff=%d,yoff=%d\n",
1909 j, area_par->data_format, area_par->ion_fd,
1910 area_par->phy_addr, area_par->x_offset,
1911 area_par->y_offset);
1912 fb_dbg(1, " xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
1913 area_par->xpos, area_par->ypos,
1914 area_par->xsize, area_par->ysize);
1915 fb_dbg(1, " xact=%d,yact=%d,xvir=%d,yvir=%d\n",
1916 area_par->xact, area_par->yact,
1917 area_par->xvir, area_par->yvir);
1921 fb_dbg(2, "regs data:\n");
1922 fb_dbg(2, "win_num=%d,buf_num=%d\n",
1923 regs->win_num, regs->buf_num);
1924 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1925 reg_win_data = &(regs->reg_win_data[i]);
1926 if (reg_win_data->reg_area_data[0].smem_start <= 0)
1928 fb_dbg(2, "win[%d]:z_order=%d,area_num=%d,area_buf_num=%d\n",
1929 reg_win_data->win_id, reg_win_data->z_order,
1930 reg_win_data->area_num, reg_win_data->area_buf_num);
1931 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1932 area_data = &(reg_win_data->reg_area_data[j]);
1933 if (((j > 0) && (area_support[i] == 1)) ||
1934 (area_data->smem_start <= 0))
1936 fb_dbg(2, " area[%d]:fmt=%d,ion=%p,smem_star=0x%lx,cbr_star=0x%lx\n",
1937 j, area_data->data_format, area_data->ion_handle,
1938 area_data->smem_start, area_data->cbr_start);
1939 fb_dbg(2, " yoff=0x%x,coff=0x%x,area_data->buff_len=%x\n",
1940 area_data->y_offset, area_data->c_offset,area_data->buff_len);
1941 fb_dbg(2, " xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
1942 area_data->xpos, area_data->ypos,
1943 area_data->xsize, area_data->ysize);
1944 fb_dbg(2, " xact=%d,yact=%d,xvir=%d,yvir=%d\n",
1945 area_data->xact, area_data->yact,
1946 area_data->xvir, area_data->yvir);
1949 fb_dbg(1, "-------------frame end---------------\n");
1951 mutex_unlock(&dev_drv->output_lock);
1954 static int rk_fb_set_win_buffer(struct fb_info *info,
1955 struct rk_fb_win_par *win_par,
1956 struct rk_fb_reg_win_data *reg_win_data)
1958 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1959 struct fb_fix_screeninfo *fix = &info->fix;
1960 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1961 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1962 /*if hdmi size move to hwc,screen should point to cur_screen
1963 otherwise point to screen0[main screen]*/
1964 struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
1965 struct fb_info *fbi;
1966 int i, ion_fd, acq_fence_fd;
1968 u32 xoffset, yoffset;
1970 struct ion_handle *hdl;
1976 u32 stride, uv_stride;
1979 u16 uv_x_off, uv_y_off, uv_y_act;
1981 u8 ppixel_a = 0, global_a = 0;
1982 ion_phys_addr_t phy_addr;
1986 reg_win_data->reg_area_data[0].smem_start = -1;
1987 reg_win_data->area_num = 0;
1988 fbi = rk_fb->fb[reg_win_data->win_id];
1989 if (win_par->area_par[0].phy_addr == 0) {
1990 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1991 ion_fd = win_par->area_par[i].ion_fd;
1994 ion_import_dma_buf(rk_fb->ion_client,
1997 pr_info("%s: Could not import handle:"
1998 " %ld\n", __func__, (long)hdl);
1999 /*return -EINVAL; */
2002 reg_win_data->reg_area_data[i].ion_handle = hdl;
2003 #ifndef CONFIG_ROCKCHIP_IOMMU
2004 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
2007 if (dev_drv->iommu_enabled)
2008 ret = ion_map_iommu(dev_drv->dev,
2011 (unsigned long *)&phy_addr,
2012 (unsigned long *)&len);
2014 ret = ion_phys(rk_fb->ion_client, hdl,
2018 dev_err(fbi->dev, "ion map to get phy addr failed\n");
2019 ion_free(rk_fb->ion_client, hdl);
2022 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2023 reg_win_data->area_num++;
2024 reg_win_data->area_buf_num++;
2025 reg_win_data->reg_area_data[i].index_buf = 1;
2026 reg_win_data->reg_area_data[i].buff_len = len;
2030 reg_win_data->reg_area_data[0].smem_start =
2031 win_par->area_par[0].phy_addr;
2032 reg_win_data->area_num = 1;
2033 reg_win_data->area_buf_num++;
2034 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2037 if (reg_win_data->area_num == 0) {
2038 for (i = 0; i < RK_WIN_MAX_AREA; i++)
2039 reg_win_data->reg_area_data[i].smem_start = 0;
2040 reg_win_data->z_order = -1;
2041 reg_win_data->win_id = -1;
2045 for (i = 0; i < reg_win_data->area_num; i++) {
2046 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2047 index_buf = reg_win_data->reg_area_data[i].index_buf;
2048 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2049 reg_win_data->reg_area_data[i].acq_fence =
2050 sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2053 if (reg_win_data->reg_area_data[0].smem_start > 0) {
2054 reg_win_data->z_order = win_par->z_order;
2055 reg_win_data->win_id = win_par->win_id;
2057 reg_win_data->z_order = -1;
2058 reg_win_data->win_id = -1;
2061 reg_win_data->mirror_en = win_par->mirror_en;
2062 for (i = 0; i < reg_win_data->area_num; i++) {
2063 /*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
2065 fb_data_fmt = rk_fb_data_fmt(win_par->area_par[i].data_format, 0);
2066 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
2067 if (fb_data_fmt >= FBDC_RGB_565) {
2068 reg_win_data->reg_area_data[i].fbdc_en = 1;
2069 reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
2071 reg_win_data->reg_area_data[i].fbdc_en = 0;
2072 reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
2074 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2076 ppixel_a |= ((fb_data_fmt == ARGB888) ||
2077 (fb_data_fmt == FBDC_ARGB_888) ||
2078 (fb_data_fmt == FBDC_ABGR_888) ||
2079 (fb_data_fmt == ABGR888)) ? 1 : 0;
2080 /* visiable pos in panel */
2081 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2082 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2084 /* realy size in panel */
2085 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2086 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2088 /* realy size in panel */
2089 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2090 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2092 xoffset = win_par->area_par[i].x_offset; /* buf offset */
2093 yoffset = win_par->area_par[i].y_offset;
2094 reg_win_data->reg_area_data[i].xoff = xoffset;
2095 reg_win_data->reg_area_data[i].yoff = yoffset;
2097 xvir = win_par->area_par[i].xvir;
2098 reg_win_data->reg_area_data[i].xvir = xvir;
2099 yvir = win_par->area_par[i].yvir;
2100 reg_win_data->reg_area_data[i].yvir = yvir;
2102 vir_width_bit = pixel_width * xvir;
2103 /* pixel_width = byte_num*8 */
2104 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2105 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2107 stride = stride_32bit_1; /* default rgb */
2108 fix->line_length = stride;
2109 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2111 /* x y mirror ,jump line
2112 * reg_win_data->reg_area_data[i].y_offset =
2113 * yoffset*stride+xoffset*pixel_width/8;
2115 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2116 if (screen->interlace == 1) {
2117 reg_win_data->reg_area_data[i].y_offset =
2118 yoffset * stride * 2 +
2119 ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2120 xoffset * pixel_width / 8;
2122 reg_win_data->reg_area_data[i].y_offset =
2124 (reg_win_data->reg_area_data[i].yact - 1) * stride +
2125 xoffset * pixel_width / 8;
2128 if (screen->interlace == 1) {
2129 reg_win_data->reg_area_data[i].y_offset =
2130 yoffset * stride * 2 +
2131 xoffset * pixel_width / 8;
2133 reg_win_data->reg_area_data[i].y_offset =
2135 xoffset * pixel_width / 8;
2138 if ((fb_data_fmt != YUV420) &&
2139 (fb_data_fmt != YUV420_NV21) &&
2140 (fb_data_fmt != YUV422) &&
2141 (fb_data_fmt != YUV444) &&
2142 dev_drv->iommu_enabled) {
2143 buff_len = reg_win_data->reg_area_data[i].y_offset +
2144 reg_win_data->reg_area_data[i].xvir *
2145 reg_win_data->reg_area_data[i].yact *
2147 reg_win_data->reg_area_data[i].xoff*
2149 if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2150 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2152 "=buff_len[0x%x]>>mmu len=0x%x\n",
2154 reg_win_data->reg_area_data[i].xvir,
2155 reg_win_data->reg_area_data[i].yact,
2156 pixel_width, buff_len,
2157 reg_win_data->reg_area_data[i].buff_len);
2161 global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2162 reg_win_data->alpha_en = ppixel_a | global_a;
2163 reg_win_data->g_alpha_val = win_par->g_alpha_val;
2164 reg_win_data->alpha_mode = win_par->alpha_mode;
2166 switch (fb_data_fmt) {
2170 stride = stride_32bit_1;
2171 uv_stride = stride_32bit_1 >> 1;
2172 uv_x_off = xoffset >> 1;
2174 fix->line_length = stride;
2175 uv_y_act = win_par->area_par[0].yact >> 1;
2177 case YUV420: /* nv12 */
2178 case YUV420_NV21: /* nv21 */
2181 stride = stride_32bit_1;
2182 uv_stride = stride_32bit_1;
2184 uv_y_off = yoffset >> 1;
2185 fix->line_length = stride;
2186 uv_y_act = win_par->area_par[0].yact >> 1;
2191 stride = stride_32bit_1;
2192 uv_stride = stride_32bit_2;
2193 uv_x_off = xoffset * 2;
2195 fix->line_length = stride << 2;
2196 uv_y_act = win_par->area_par[0].yact;
2201 if (is_pic_yuv == 1) {
2202 reg_win_data->reg_area_data[0].cbr_start =
2203 reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2204 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2205 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2206 if (screen->interlace == 1) {
2207 reg_win_data->reg_area_data[0].c_offset =
2208 uv_y_off * uv_stride * 2 +
2209 ((uv_y_act - 1) * 2 + 1) * uv_stride +
2210 uv_x_off * pixel_width / 8;
2212 reg_win_data->reg_area_data[0].c_offset =
2213 uv_y_off * uv_stride +
2214 (uv_y_act - 1) * uv_stride +
2215 uv_x_off * pixel_width / 8;
2218 if (screen->interlace == 1) {
2219 reg_win_data->reg_area_data[0].c_offset =
2220 uv_y_off * uv_stride * 2 +
2221 uv_x_off * pixel_width / 8;
2223 reg_win_data->reg_area_data[0].c_offset =
2224 uv_y_off * uv_stride +
2225 uv_x_off * pixel_width / 8;
2228 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2229 reg_win_data->reg_area_data[0].c_offset +
2230 reg_win_data->reg_area_data[0].xvir *
2231 reg_win_data->reg_area_data[0].yact *
2233 reg_win_data->reg_area_data[0].smem_start -
2234 reg_win_data->reg_area_data[0].xoff*
2236 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2237 dev_drv->iommu_enabled)
2238 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2240 "=buff_len[0x%x]>>mmu len=0x%x\n",
2242 reg_win_data->reg_area_data[0].xvir,
2243 reg_win_data->reg_area_data[0].yact,
2244 pixel_width, buff_len,
2245 reg_win_data->reg_area_data[0].buff_len);
2248 /* record buffer information for rk_fb_disp_scale to prevent fence timeout
2249 * because rk_fb_disp_scale will call function info->fbops->fb_set_par(info);
2251 info->var.yoffset = yoffset;
2252 info->var.xoffset = xoffset;
2256 static int rk_fb_set_win_config(struct fb_info *info,
2257 struct rk_fb_win_cfg_data *win_data)
2259 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2260 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2261 struct rk_fb_reg_data *regs;
2263 struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2264 struct sync_fence *retire_fence;
2265 struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2266 struct sync_pt *retire_sync_pt;
2267 char fence_name[20];
2269 int ret = 0, i, j = 0;
2270 int list_is_empty = 0;
2271 struct rk_screen *screen = dev_drv->cur_screen;
2273 mutex_lock(&dev_drv->output_lock);
2275 for (i = 0; i < 4; i++) {
2276 for (j = 0; j < 4; j++) {
2277 if (win_data->win_par[i].area_par[j].ion_fd > 0)
2278 ret += rk_fb_check_config_var(
2279 &win_data->win_par[i].area_par[j],
2283 if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
2284 dev_drv->timeline_max++;
2285 sw_sync_timeline_inc(dev_drv->timeline, 1);
2286 if (dev_drv->suspend_flag)
2287 pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
2288 else if (dev_drv->hdmi_switch)
2289 pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
2291 pr_err("error config ,ignore\n");
2292 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2293 win_data->rel_fence_fd[j] = -1;
2294 win_data->ret_fence_fd = -1;
2298 regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2300 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2305 for (i = 0,j = 0; i < dev_drv->lcdc_win_num; i++) {
2306 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2307 if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2308 ®s->reg_win_data[j])) {
2312 if (regs->reg_win_data[j].area_num > 0) {
2315 regs->reg_win_data[j].area_buf_num;
2319 printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2320 printk(KERN_INFO "i=%d,win_id=%d\n", i,
2321 win_data->win_par[i].win_id);
2325 if (regs->win_num <= 0)
2326 goto err_null_frame;
2328 dev_drv->timeline_max++;
2330 win_data->ret_fence_fd = get_unused_fd();
2331 if (win_data->ret_fence_fd < 0) {
2332 pr_err("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2333 win_data->ret_fence_fd = -1;
2337 for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2338 if (i < regs->buf_num) {
2339 sprintf(fence_name, "fence%d", i);
2340 win_data->rel_fence_fd[i] = get_unused_fd();
2341 if (win_data->rel_fence_fd[i] < 0) {
2342 printk(KERN_INFO "rel_fence_fd=%d\n",
2343 win_data->rel_fence_fd[i]);
2347 release_sync_pt[i] =
2348 sw_sync_pt_create(dev_drv->timeline,
2349 dev_drv->timeline_max);
2351 sync_fence_create(fence_name, release_sync_pt[i]);
2352 sync_fence_install(release_fence[i],
2353 win_data->rel_fence_fd[i]);
2355 win_data->rel_fence_fd[i] = -1;
2360 sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2361 retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2362 sync_fence_install(retire_fence, win_data->ret_fence_fd);
2364 for (i = 0; i < RK_MAX_BUF_NUM; i++)
2365 win_data->rel_fence_fd[i] = -1;
2367 win_data->ret_fence_fd = -1;
2369 if (dev_drv->wait_fs == 0) {
2370 mutex_lock(&dev_drv->update_regs_list_lock);
2371 list_add_tail(®s->list, &dev_drv->update_regs_list);
2372 mutex_unlock(&dev_drv->update_regs_list_lock);
2373 queue_kthread_work(&dev_drv->update_regs_worker,
2374 &dev_drv->update_regs_work);
2376 mutex_lock(&dev_drv->update_regs_list_lock);
2377 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2378 list_empty(&dev_drv->saved_list);
2379 mutex_unlock(&dev_drv->update_regs_list_lock);
2380 if (!list_is_empty) {
2381 ret = wait_event_timeout(dev_drv->update_regs_wait,
2382 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2383 msecs_to_jiffies(60));
2385 rk_fb_update_reg(dev_drv, regs);
2387 printk("%s: wait update_regs_wait timeout\n", __func__);
2388 } else if (ret == 0) {
2389 rk_fb_update_reg(dev_drv, regs);
2394 mutex_unlock(&dev_drv->output_lock);
2395 if (rk_fb_debug_lvl > 0)
2396 rk_fb_config_debug(dev_drv,win_data, regs, 0);
2399 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2400 win_data->rel_fence_fd[j] = -1;
2401 win_data->ret_fence_fd = -1;
2402 pr_info("win num = %d,null frame\n", regs->win_num);
2405 mutex_unlock(&dev_drv->output_lock);
2411 static int cfgdone_distlist[10] = { 0 };
2413 static int cfgdone_index;
2414 static int cfgdone_lasttime;
2416 int rk_get_real_fps(int before)
2418 struct timespec now;
2424 int index = cfgdone_index;
2433 getnstimeofday(&now);
2434 dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2440 for (i = 0; i < 10; i++) {
2443 total += cfgdone_distlist[index];
2445 dist_first = cfgdone_distlist[index];
2446 if (total < (before * 1000)) {
2448 printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2450 dist_total += cfgdone_distlist[index];
2458 printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2460 dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2461 dist_total += dist_curr;
2465 fps = (1000000 * dist_count) / dist_total;
2470 printk("curr2 %d, fps=%d\n", dist_curr, fps);
2474 EXPORT_SYMBOL(rk_get_real_fps);
2477 #ifdef CONFIG_ROCKCHIP_IOMMU
2479 static struct ion_handle *ion_hanle[ION_MAX];
2480 static struct ion_handle *ion_hwc[1];
2482 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2485 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2486 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2487 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2488 struct fb_fix_screeninfo *fix = &info->fix;
2489 struct rk_lcdc_win *win;
2490 int enable; /* enable fb:1 enable;0 disable */
2491 int ovl; /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2492 int num_buf; /* buffer_number */
2494 struct rk_fb_win_cfg_data win_data;
2495 unsigned int dsp_addr[4][4];
2498 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2500 void __user *argp = (void __user *)arg;
2501 win = dev_drv->win[win_id];
2504 case RK_FBIOSET_HWC_ADDR:
2507 if (copy_from_user(hwc_phy, argp, 4))
2509 #ifdef CONFIG_ROCKCHIP_IOMMU
2510 if (!dev_drv->iommu_enabled) {
2512 fix->smem_start = hwc_phy[0];
2513 #ifdef CONFIG_ROCKCHIP_IOMMU
2516 struct ion_handle *hdl;
2517 ion_phys_addr_t phy_addr;
2520 usr_fd = hwc_phy[0];
2522 fix->smem_start = 0;
2523 fix->mmio_start = 0;
2524 dev_drv->ops->open(dev_drv, win_id, 0);
2528 if (ion_hwc[0] != 0) {
2529 ion_free(rk_fb->ion_client, ion_hwc[0]);
2533 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2535 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2540 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2541 (unsigned long *)&phy_addr,
2542 (unsigned long *)&len);
2544 dev_err(info->dev, "ion map to get hwc phy addr failed");
2545 ion_free(rk_fb->ion_client, hdl);
2548 fix->smem_start = phy_addr;
2554 case RK_FBIOSET_YUV_ADDR:
2558 if (copy_from_user(yuv_phy, argp, 8))
2560 #ifdef CONFIG_ROCKCHIP_IOMMU
2561 if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2563 fix->smem_start = yuv_phy[0];
2564 fix->mmio_start = yuv_phy[1];
2565 #ifdef CONFIG_ROCKCHIP_IOMMU
2567 int usr_fd, offset, tmp;
2568 struct ion_handle *hdl;
2569 ion_phys_addr_t phy_addr;
2572 usr_fd = yuv_phy[0];
2573 offset = yuv_phy[1] - yuv_phy[0];
2575 fix->smem_start = 0;
2576 fix->mmio_start = 0;
2580 if (ion_hanle[ION_MAX - 1] != 0) {
2581 /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2582 /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2583 ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2584 ion_hanle[ION_MAX - 1] = 0;
2587 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2589 dev_err(info->dev, "failed to get ion handle:%ld\n",
2594 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2595 (unsigned long *)&phy_addr,
2596 (unsigned long *)&len);
2598 dev_err(info->dev, "ion map to get phy addr failed");
2599 ion_free(rk_fb->ion_client, hdl);
2602 fix->smem_start = phy_addr;
2603 fix->mmio_start = phy_addr + offset;
2604 fix->smem_len = len;
2605 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2608 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2609 ion_hanle[tmp] = ion_hanle[tmp - 1];
2615 case RK_FBIOSET_ENABLE:
2616 if (copy_from_user(&enable, argp, sizeof(enable)))
2618 if (enable && fb_par->state)
2622 dev_drv->ops->open(dev_drv, win_id, enable);
2624 case RK_FBIOGET_ENABLE:
2625 enable = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
2626 if (copy_to_user(argp, &enable, sizeof(enable)))
2629 case RK_FBIOSET_OVERLAY_STA:
2630 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2632 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2634 case RK_FBIOGET_OVERLAY_STA:
2635 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2636 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2639 case RK_FBIOPUT_NUM_BUFFERS:
2640 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2642 dev_drv->num_buf = num_buf;
2644 case RK_FBIOSET_VSYNC_ENABLE:
2645 if (copy_from_user(&enable, argp, sizeof(enable)))
2647 dev_drv->vsync_info.active = enable;
2650 case RK_FBIOGET_DSP_ADDR:
2651 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2652 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2655 case RK_FBIOGET_LIST_STA:
2656 list_stat = rk_fb_get_list_stat(dev_drv);
2657 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2661 case RK_FBIOGET_IOMMU_STA:
2662 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2663 sizeof(dev_drv->iommu_enabled)))
2666 #if defined(CONFIG_ION_ROCKCHIP)
2667 case RK_FBIOSET_DMABUF_FD:
2670 struct ion_handle *hdl;
2671 ion_phys_addr_t phy_addr;
2673 if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2675 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2676 ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2677 fix->smem_start = phy_addr;
2680 case RK_FBIOGET_DMABUF_FD:
2684 if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2686 "get dma_buf fd failed,ion handle is err\n");
2687 return PTR_ERR(fb_par->ion_hdl);
2689 fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2693 "ion_share_dma_buf_fd failed\n");
2696 if (copy_to_user(argp, &fd, sizeof(fd)))
2701 case RK_FBIOSET_CLEAR_FB:
2702 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2704 case RK_FBIOSET_CONFIG_DONE:
2707 struct timespec now;
2709 getnstimeofday(&now);
2710 curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2711 cfgdone_distlist[cfgdone_index++] =
2712 curr - cfgdone_lasttime;
2714 printk("%d ", curr - cfgdone_lasttime);
2716 cfgdone_lasttime = curr;
2717 if (cfgdone_index >= 10)
2720 if (copy_from_user(&win_data,
2721 (struct rk_fb_win_cfg_data __user *)argp,
2722 sizeof(win_data))) {
2727 dev_drv->wait_fs = win_data.wait_fs;
2728 rk_fb_set_win_config(info, &win_data);
2730 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2731 &win_data, sizeof(win_data))) {
2735 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2737 if (dev_drv->uboot_logo)
2738 dev_drv->uboot_logo = 0;
2742 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2749 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2751 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2752 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2753 struct fb_fix_screeninfo *fix = &info->fix;
2755 #if defined(CONFIG_RK_HDMI)
2756 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2759 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2762 mutex_lock(&dev_drv->switch_screen);
2763 #if defined(CONFIG_RK_HDMI)
2764 if ((rk_fb->disp_mode == ONE_DUAL) &&
2765 (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2766 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2770 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2772 mutex_unlock(&dev_drv->switch_screen);
2776 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2778 if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2779 (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2780 ((16 != var->bits_per_pixel) &&
2781 (32 != var->bits_per_pixel) &&
2782 (24 != var->bits_per_pixel))) {
2783 dev_err(info->dev, "%s check var fail 1:\n"
2784 "xres_vir:%d>>yres_vir:%d\n"
2785 "xres:%d>>yres:%d\n"
2786 "bits_per_pixel:%d\n",
2790 var->xres, var->yres, var->bits_per_pixel);
2794 if (((var->xoffset + var->xres) > var->xres_virtual) ||
2795 ((var->yoffset + var->yres) > (var->yres_virtual))) {
2796 dev_err(info->dev, "%s check_var fail 2:\n"
2797 "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2798 "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2803 var->yoffset, var->yres, var->yres_virtual);
2810 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2811 size_t count, loff_t *ppos)
2813 unsigned long p = *ppos;
2816 int c, cnt = 0, err = 0;
2817 unsigned long total_size;
2818 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2819 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2820 struct rk_lcdc_win *win = NULL;
2823 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2827 win = dev_drv->win[win_id];
2829 /* only read the current frame buffer */
2830 if (win->area[0].format == RGB565) {
2831 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2832 } else if ((win->area[0].format == YUV420) ||
2833 (win->area[0].format == YUV420_NV21)) {
2835 (win->area[0].y_vir_stride * win->area[0].yact * 6);
2837 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2839 if (p >= total_size)
2842 if (count >= total_size)
2845 if (count + p > total_size)
2846 count = total_size - p;
2848 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2852 src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2855 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2857 fb_memcpy_fromfb(dst, src, c);
2861 if (copy_to_user(buf, buffer, c)) {
2873 return (err) ? err : cnt;
2876 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2877 size_t count, loff_t *ppos)
2879 unsigned long p = *ppos;
2882 int c, cnt = 0, err = 0;
2883 unsigned long total_size;
2884 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2885 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2886 struct rk_lcdc_win *win = NULL;
2889 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2893 win = dev_drv->win[win_id];
2895 /* write the current frame buffer */
2896 if (win->area[0].format == RGB565)
2897 total_size = win->area[0].xact * win->area[0].yact << 1;
2899 total_size = win->area[0].xact * win->area[0].yact << 2;
2904 if (count > total_size) {
2909 if (count + p > total_size) {
2913 count = total_size - p;
2916 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2920 dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2923 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2926 if (copy_from_user(src, buf, c)) {
2931 fb_memcpy_tofb(dst, src, c);
2942 return (cnt) ? cnt : err;
2945 static int rk_fb_set_par(struct fb_info *info)
2947 struct fb_var_screeninfo *var = &info->var;
2948 struct fb_fix_screeninfo *fix = &info->fix;
2949 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2950 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2951 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2952 struct rk_lcdc_win *win = NULL;
2953 struct rk_screen *screen = dev_drv->cur_screen;
2955 u32 cblen = 0, crlen = 0;
2956 u16 xsize = 0, ysize = 0; /* winx display window height/width --->LCDC_WINx_DSP_INFO */
2957 u32 xoffset = var->xoffset; /* offset from virtual to visible */
2958 u32 yoffset = var->yoffset;
2959 u16 xpos = (var->nonstd >> 8) & 0xfff; /*visiable pos in panel */
2960 u16 ypos = (var->nonstd >> 20) & 0xfff;
2961 u32 xvir = var->xres_virtual;
2962 u32 yvir = var->yres_virtual;
2963 u8 data_format = var->nonstd & 0xff;
2967 u32 stride, uv_stride;
2970 u16 uv_x_off, uv_y_off, uv_y_act;
2972 /*var->pixclock = dev_drv->pixclock;*/
2973 if (dev_drv->suspend_flag)
2975 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2979 win = dev_drv->win[win_id];
2981 /* if the application has specific the horizontal and vertical display size */
2982 if (var->grayscale >> 8) {
2983 xsize = (var->grayscale >> 8) & 0xfff;
2984 ysize = (var->grayscale >> 20) & 0xfff;
2985 if (xsize > screen->mode.xres)
2986 xsize = screen->mode.xres;
2987 if (ysize > screen->mode.yres)
2988 ysize = screen->mode.yres;
2989 } else { /*ohterwise full screen display */
2990 xsize = screen->mode.xres;
2991 ysize = screen->mode.yres;
2994 fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
2995 if (fb_data_fmt >= FBDC_RGB_565) {
2996 win->area[0].fbdc_en = 1;
2997 win->area[0].fbdc_cor_en = 1;
2999 win->area[0].fbdc_en = 0;
3000 win->area[0].fbdc_cor_en = 0;
3002 pixel_width = rk_fb_pixel_width(fb_data_fmt);
3003 vir_width_bit = pixel_width * xvir;
3004 /* pixel_width = byte_num * 8 */
3005 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3006 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3008 switch (fb_data_fmt) {
3012 stride = stride_32bit_1;
3013 uv_stride = stride_32bit_1 >> 1;
3014 uv_x_off = xoffset >> 1;
3016 fix->line_length = stride;
3017 cblen = crlen = (xvir * yvir) >> 1;
3018 uv_y_act = win->area[0].yact >> 1;
3020 case YUV420: /* nv12 */
3021 case YUV420_NV21: /* nv21 */
3024 stride = stride_32bit_1;
3025 uv_stride = stride_32bit_1;
3027 uv_y_off = yoffset >> 1;
3028 fix->line_length = stride;
3029 cblen = crlen = (xvir * yvir) >> 2;
3030 uv_y_act = win->area[0].yact >> 1;
3035 stride = stride_32bit_1;
3036 uv_stride = stride_32bit_2;
3037 uv_x_off = xoffset * 2;
3039 fix->line_length = stride << 2;
3040 cblen = crlen = (xvir * yvir);
3041 uv_y_act = win->area[0].yact;
3044 stride = stride_32bit_1; /* default rgb */
3045 fix->line_length = stride;
3049 win->area[0].format = fb_data_fmt;
3050 win->area[0].y_vir_stride = stride >> 2;
3051 win->area[0].uv_vir_stride = uv_stride >> 2;
3052 win->area[0].xpos = xpos;
3053 win->area[0].ypos = ypos;
3054 win->area[0].xsize = xsize;
3055 win->area[0].ysize = ysize;
3056 win->area[0].xact = var->xres; /* winx active window height,is a wint of vir */
3057 win->area[0].yact = var->yres;
3058 win->area[0].xvir = var->xres_virtual; /* virtual resolution stride --->LCDC_WINx_VIR */
3059 win->area[0].yvir = var->yres_virtual;
3060 win->area[0].xoff = xoffset;
3061 win->area[0].yoff = yoffset;
3064 win->alpha_mode = 4; /* AB_SRC_OVER; */
3065 win->alpha_en = ((win->area[0].format == ARGB888) ||
3066 (win->area[0].format == FBDC_ARGB_888) ||
3067 (win->area[0].format == FBDC_ABGR_888) ||
3068 (win->area[0].format == ABGR888)) ? 1 : 0;
3069 win->g_alpha_val = 0;
3071 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
3072 (win->area[0].format == YUV420 ||
3073 win->area[0].format == YUV420_NV21 ||
3074 win->area[0].format == YUV420_A)) {
3078 dev_drv->ops->set_par(dev_drv, win_id);
3083 static inline unsigned int chan_to_field(unsigned int chan,
3084 struct fb_bitfield *bf)
3087 chan >>= 16 - bf->length;
3088 return chan << bf->offset;
3091 static int fb_setcolreg(unsigned regno,
3092 unsigned red, unsigned green, unsigned blue,
3093 unsigned transp, struct fb_info *info)
3097 switch (info->fix.visual) {
3098 case FB_VISUAL_TRUECOLOR:
3099 /* true-colour, use pseudo-palette */
3101 u32 *pal = info->pseudo_palette;
3102 val = chan_to_field(red, &info->var.red);
3103 val |= chan_to_field(green, &info->var.green);
3104 val |= chan_to_field(blue, &info->var.blue);
3109 return -1; /* unknown type */
3115 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3117 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3118 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3119 struct ion_handle *handle = fb_par->ion_hdl;
3120 struct dma_buf *dma_buf = NULL;
3122 if (IS_ERR_OR_NULL(handle)) {
3123 dev_err(info->dev, "failed to get ion handle:%ld\n",
3127 dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3128 if (IS_ERR_OR_NULL(dma_buf)) {
3129 printk("get ion share dma buf failed\n");
3133 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3135 return dma_buf_mmap(dma_buf, vma, 0);
3138 static struct fb_ops fb_ops = {
3139 .owner = THIS_MODULE,
3140 .fb_open = rk_fb_open,
3141 .fb_release = rk_fb_close,
3142 .fb_check_var = rk_fb_check_var,
3143 .fb_set_par = rk_fb_set_par,
3144 .fb_blank = rk_fb_blank,
3145 .fb_ioctl = rk_fb_ioctl,
3146 .fb_compat_ioctl = rk_fb_ioctl,
3147 .fb_pan_display = rk_fb_pan_display,
3148 .fb_read = rk_fb_read,
3149 .fb_write = rk_fb_write,
3150 .fb_setcolreg = fb_setcolreg,
3151 .fb_fillrect = cfb_fillrect,
3152 .fb_copyarea = cfb_copyarea,
3153 .fb_imageblit = cfb_imageblit,
3156 static struct fb_var_screeninfo def_var = {
3157 #if defined(CONFIG_LOGO_LINUX_BMP)
3161 .transp = {0, 0, 0},
3162 .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3167 .transp = {0, 0, 0},
3168 .nonstd = HAL_PIXEL_FORMAT_RGB_565, /* (ypos<<20+xpos<<8+format) format */
3170 .grayscale = 0, /* (ysize<<20+xsize<<8) */
3171 .activate = FB_ACTIVATE_NOW,
3173 .vmode = FB_VMODE_NONINTERLACED,
3176 static struct fb_fix_screeninfo def_fix = {
3177 .type = FB_TYPE_PACKED_PIXELS,
3182 .accel = FB_ACCEL_NONE,
3183 .visual = FB_VISUAL_TRUECOLOR,
3187 static int rk_fb_wait_for_vsync_thread(void *data)
3189 struct rk_lcdc_driver *dev_drv = data;
3190 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3191 struct fb_info *fbi = rk_fb->fb[0];
3193 while (!kthread_should_stop()) {
3194 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3195 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3196 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3197 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3200 sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3206 static ssize_t rk_fb_vsync_show(struct device *dev,
3207 struct device_attribute *attr, char *buf)
3209 struct fb_info *fbi = dev_get_drvdata(dev);
3210 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3211 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3212 return scnprintf(buf, PAGE_SIZE, "%llu\n",
3213 ktime_to_ns(dev_drv->vsync_info.timestamp));
3216 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3219 * this two function is for other module that in the kernel which
3220 * need show image directly through fb
3221 * fb_id:we have 4 fb here,default we use fb0 for ui display
3223 struct fb_info *rk_get_fb(int fb_id)
3225 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3226 struct fb_info *fb = inf->fb[fb_id];
3229 EXPORT_SYMBOL(rk_get_fb);
3231 void rk_direct_fb_show(struct fb_info *fbi)
3234 rk_fb_pan_display(&fbi->var, fbi);
3236 EXPORT_SYMBOL(rk_direct_fb_show);
3238 int rk_fb_dpi_open(bool open)
3240 struct rk_lcdc_driver *dev_drv = NULL;
3241 dev_drv = rk_get_prmry_lcdc_drv();
3243 if (dev_drv->ops->dpi_open)
3244 dev_drv->ops->dpi_open(dev_drv, open);
3248 int rk_fb_dpi_win_sel(int win_id)
3250 struct rk_lcdc_driver *dev_drv = NULL;
3251 dev_drv = rk_get_prmry_lcdc_drv();
3253 if (dev_drv->ops->dpi_win_sel)
3254 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3258 int rk_fb_dpi_status(void)
3261 struct rk_lcdc_driver *dev_drv = NULL;
3263 dev_drv = rk_get_prmry_lcdc_drv();
3264 if (dev_drv->ops->dpi_status)
3265 ret = dev_drv->ops->dpi_status(dev_drv);
3271 * function: this function will be called by display device, enable/disable lcdc
3272 * @screen: screen timing to be set to lcdc
3273 * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3274 * @lcdc_id: the lcdc id the display device attached ,0 or 1
3276 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3278 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3279 struct fb_info *info = NULL;
3280 struct rk_fb_par *fb_par = NULL;
3281 struct rk_lcdc_driver *dev_drv = NULL;
3284 static bool load_screen = false;
3287 if (unlikely(!rk_fb) || unlikely(!screen))
3290 /* get lcdc driver */
3291 sprintf(name, "lcdc%d", lcdc_id);
3292 if (rk_fb->disp_mode != DUAL)
3293 dev_drv = rk_fb->lcdc_dev_drv[0];
3295 dev_drv = rk_get_lcdc_drv(name);
3297 if (dev_drv == NULL) {
3298 printk(KERN_ERR "%s driver not found!", name);
3301 if (screen->type == SCREEN_HDMI)
3302 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3304 else if (screen->type == SCREEN_TVOUT ||
3305 screen->type == SCREEN_TVOUT_TEST )
3306 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3308 if (enable == 2 /*&& dev_drv->enable*/)
3310 pr_info("switch:en=%d,lcdc_id=%d,screen type=%d,cur type=%d\n",
3311 enable, lcdc_id, screen->type, dev_drv->cur_screen->type);
3313 mutex_lock(&dev_drv->switch_screen);
3314 hdmi_switch_state = 0;
3315 dev_drv->hdmi_switch = 1;
3316 if (!dev_drv->uboot_logo)
3319 envp[0] = "switch screen";
3320 envp[1] = kmalloc(32, GFP_KERNEL);
3321 if (envp[1] == NULL) {
3322 pr_err("switch screen kmalloc envp[1] fail\n");
3323 mutex_unlock(&dev_drv->switch_screen);
3326 sprintf(envp[1], "SCREEN=%d,ENABLE=%d", screen->type, enable);
3329 if ((rk_fb->disp_mode == ONE_DUAL) ||
3330 (rk_fb->disp_mode == NO_DUAL)) {
3331 if ((dev_drv->ops->backlight_close) &&
3332 (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3333 (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))
3334 dev_drv->ops->backlight_close(dev_drv, 1);
3335 if ((dev_drv->ops->set_screen_scaler) &&
3336 (rk_fb->disp_mode == ONE_DUAL))
3337 dev_drv->ops->set_screen_scaler(dev_drv,
3338 dev_drv->screen0, 0);
3341 /* if screen type is different, we do not disable lcdc. */
3342 if (dev_drv->cur_screen->type != screen->type) {
3343 dev_drv->hdmi_switch = 0;
3344 mutex_unlock(&dev_drv->switch_screen);
3349 /* if used one lcdc to dual disp, no need to close win */
3350 if ((rk_fb->disp_mode == ONE_DUAL) ||
3351 ((rk_fb->disp_mode == NO_DUAL) &&
3352 (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3353 (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))) {
3354 dev_drv->cur_screen = dev_drv->screen0;
3355 dev_drv->ops->load_screen(dev_drv, 1);
3356 /* force modify dsp size */
3357 info = rk_fb->fb[dev_drv->fb_index_base];
3358 info->var.grayscale &= 0xff;
3359 info->var.grayscale |=
3360 (dev_drv->cur_screen->mode.xres << 8) +
3361 (dev_drv->cur_screen->mode.yres << 20);
3362 mutex_lock(&dev_drv->win_config);
3363 info->var.yoffset = 0;
3364 info->fbops->fb_set_par(info);
3365 info->fbops->fb_pan_display(&info->var, info);
3366 mutex_unlock(&dev_drv->win_config);
3369 * if currently is loader display, black until new
3372 if (dev_drv->uboot_logo) {
3373 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3374 if (dev_drv->win[i] && dev_drv->win[i]->state)
3375 dev_drv->ops->open(dev_drv, i, 0);
3379 /*if (dev_drv->ops->dsp_black)
3380 dev_drv->ops->dsp_black(dev_drv, 0);*/
3381 if ((dev_drv->ops->backlight_close) &&
3382 (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3383 (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP))
3384 dev_drv->ops->backlight_close(dev_drv, 0);
3385 } else if (rk_fb->num_lcdc > 1) {
3386 /* If there is more than one lcdc device, we disable
3387 the layer which attached to this device */
3388 dev_drv->suspend_flag = 1;
3389 flush_kthread_worker(&dev_drv->update_regs_worker);
3390 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3391 if (dev_drv->win[i] && dev_drv->win[i]->state)
3392 dev_drv->ops->open(dev_drv, i, 0);
3395 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3398 hdmi_switch_state = 0;
3399 dev_drv->hdmi_switch = 0;
3400 mutex_unlock(&dev_drv->switch_screen);
3403 if (dev_drv->screen1)
3404 dev_drv->cur_screen = dev_drv->screen1;
3406 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3407 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3408 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3409 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3410 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3412 if (!dev_drv->uboot_logo || load_screen) {
3413 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3414 info = rk_fb->fb[dev_drv->fb_index_base + i];
3415 fb_par = (struct rk_fb_par *)info->par;
3416 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3417 if (dev_drv->win[win_id]) {
3418 if (fb_par->state) {
3419 dev_drv->ops->load_screen(dev_drv, 1);
3421 info->var.activate |= FB_ACTIVATE_FORCE;
3422 if (rk_fb->disp_mode == ONE_DUAL) {
3423 info->var.grayscale &= 0xff;
3424 info->var.grayscale |=
3425 (dev_drv->cur_screen->xsize << 8) +
3426 (dev_drv->cur_screen->ysize << 20);
3428 if (dev_drv->uboot_logo) {
3429 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3430 if (dev_drv->win[i] && dev_drv->win[i]->state)
3431 dev_drv->ops->open(dev_drv, i, 0);
3433 } else if (!dev_drv->win[win_id]->state) {
3434 dev_drv->ops->open(dev_drv, win_id, 1);
3435 dev_drv->suspend_flag = 0;
3436 mutex_lock(&dev_drv->win_config);
3437 info->var.yoffset = 0;
3438 info->fbops->fb_set_par(info);
3439 info->fbops->fb_pan_display(&info->var, info);
3440 mutex_unlock(&dev_drv->win_config);
3446 dev_drv->ops->load_screen(dev_drv, 0);
3448 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3451 hdmi_switch_state = 1;
3452 dev_drv->hdmi_switch = 0;
3453 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3454 if ((dev_drv->ops->set_screen_scaler) &&
3455 (rk_fb->disp_mode == ONE_DUAL))
3456 dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3457 /*if (dev_drv->ops->dsp_black)
3458 dev_drv->ops->dsp_black(dev_drv, 0);*/
3459 if ((dev_drv->ops->backlight_close) &&
3460 (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3461 (rk_fb->disp_policy != DISPLAY_POLICY_BOX_TEMP) &&
3462 (rk_fb->disp_mode == ONE_DUAL))
3463 dev_drv->ops->backlight_close(dev_drv, 0);
3465 mutex_unlock(&dev_drv->switch_screen);
3470 * function:this function current only called by hdmi for
3472 * scale_x: scale rate of x resolution
3473 * scale_y: scale rate of y resolution
3474 * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3476 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3478 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3479 struct fb_info *info = NULL;
3480 struct fb_info *pmy_info = NULL;
3481 struct fb_var_screeninfo *var = NULL;
3482 struct rk_lcdc_driver *dev_drv = NULL;
3483 u16 screen_x, screen_y;
3486 struct rk_screen primary_screen;
3487 rk_fb_get_prmry_screen(&primary_screen);
3488 if (primary_screen.type == SCREEN_HDMI) {
3491 pr_err("fuck not be hear--%s\n",__func__);
3494 sprintf(name, "lcdc%d", lcdc_id);
3496 if (inf->disp_mode == DUAL) {
3497 dev_drv = rk_get_lcdc_drv(name);
3498 if (dev_drv == NULL) {
3499 printk(KERN_ERR "%s driver not found!", name);
3503 dev_drv = inf->lcdc_dev_drv[0];
3506 if (inf->num_lcdc == 1) {
3508 } else if (inf->num_lcdc == 2) {
3509 info = inf->fb[dev_drv->lcdc_win_num];
3510 pmy_info = inf->fb[0];
3514 screen_x = dev_drv->cur_screen->mode.xres;
3515 screen_y = dev_drv->cur_screen->mode.yres;
3517 if (inf->disp_mode != DUAL && dev_drv->screen1) {
3518 dev_drv->cur_screen->xpos =
3519 (screen_x - screen_x * scale_x / 100) >> 1;
3520 dev_drv->cur_screen->ypos =
3521 (screen_y - screen_y * scale_y / 100) >> 1;
3522 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3523 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3525 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3526 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3527 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3528 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3529 if (inf->disp_mode == ONE_DUAL) {
3530 var->nonstd &= 0xff;
3531 var->nonstd |= (xpos << 8) + (ypos << 20);
3532 var->grayscale &= 0xff;
3534 (dev_drv->cur_screen->xsize << 8) +
3535 (dev_drv->cur_screen->ysize << 20);
3539 mutex_lock(&dev_drv->win_config);
3540 info->fbops->fb_set_par(info);
3541 dev_drv->ops->cfg_done(dev_drv);
3542 mutex_unlock(&dev_drv->win_config);
3547 #if defined(CONFIG_ION_ROCKCHIP)
3548 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3549 struct rk_lcdc_win *win,
3550 unsigned long fb_mem_size)
3552 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3553 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3554 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3555 struct ion_handle *handle;
3556 ion_phys_addr_t phy_addr;
3560 if (dev_drv->iommu_enabled)
3561 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3562 ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3564 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3565 ION_HEAP(ION_CMA_HEAP_ID), 0);
3566 if (IS_ERR(handle)) {
3567 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3572 fb_par->ion_hdl = handle;
3573 win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3574 if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3575 printk("ion_share_dma_buf() failed\n");
3576 goto err_share_dma_buf;
3578 win->area[0].ion_hdl = handle;
3579 if (dev_drv->prop == PRMRY)
3580 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3581 #ifdef CONFIG_ROCKCHIP_IOMMU
3582 if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3583 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3584 (unsigned long *)&phy_addr,
3585 (unsigned long *)&len);
3587 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3589 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3592 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3593 goto err_share_dma_buf;
3595 fbi->fix.smem_start = phy_addr;
3596 fbi->fix.smem_len = len;
3597 printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3601 ion_free(rk_fb->ion_client, handle);
3606 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3608 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3609 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3610 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3611 struct rk_lcdc_win *win = NULL;
3614 unsigned long fb_mem_size;
3615 #if !defined(CONFIG_ION_ROCKCHIP)
3616 dma_addr_t fb_mem_phys;
3620 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3624 win = dev_drv->win[win_id];
3626 if (!strcmp(fbi->fix.id, "fb0")) {
3627 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3628 #if defined(CONFIG_ION_ROCKCHIP)
3629 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3632 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3633 &fb_mem_phys, GFP_KERNEL);
3635 pr_err("%s: Failed to allocate framebuffer\n",
3639 fbi->fix.smem_len = fb_mem_size;
3640 fbi->fix.smem_start = fb_mem_phys;
3641 fbi->screen_base = fb_mem_virt;
3643 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3645 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3646 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3647 fbi->screen_base = rk_fb->fb[0]->screen_base;
3650 fbi->screen_size = fbi->fix.smem_len;
3651 fb_par->fb_phy_base = fbi->fix.smem_start;
3652 fb_par->fb_virt_base = fbi->screen_base;
3653 fb_par->fb_size = fbi->fix.smem_len;
3655 pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3656 fbi->fix.smem_start, fbi->screen_base,
3662 static int rk_release_fb_buffer(struct fb_info *fbi)
3664 /* buffer for fb1 and fb3 are alloc by android */
3665 if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3667 iounmap(fbi->screen_base);
3668 release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3673 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3674 struct rk_lcdc_win *def_win)
3677 int lcdc_win_num = dev_drv->lcdc_win_num;
3679 for (i = 0; i < lcdc_win_num; i++) {
3680 struct rk_lcdc_win *win = NULL;
3681 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3683 dev_err(dev_drv->dev, "kzmalloc for win fail!");
3687 strcpy(win->name, def_win[i].name);
3688 win->id = def_win[i].id;
3689 win->support_3d = def_win[i].support_3d;
3690 dev_drv->win[i] = win;
3696 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3697 struct rk_lcdc_win *def_win, int index)
3699 struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3700 struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3701 sizeof(struct rk_screen),
3705 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3710 screen->screen_id = 0;
3711 screen->lcdc_id = dev_drv->id;
3712 screen->overscan.left = 100;
3713 screen->overscan.top = 100;
3714 screen->overscan.right = 100;
3715 screen->overscan.bottom = 100;
3717 screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3718 screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3720 dev_drv->screen0 = screen;
3721 dev_drv->cur_screen = screen;
3722 /* devie use one lcdc + rk61x scaler for dual display */
3723 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3724 struct rk_screen *screen1 =
3725 devm_kzalloc(dev_drv->dev,
3726 sizeof(struct rk_screen),
3729 dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3733 screen1->screen_id = 1;
3734 screen1->lcdc_id = 1;
3735 dev_drv->screen1 = screen1;
3737 sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3738 init_lcdc_win(dev_drv, def_win);
3739 init_completion(&dev_drv->frame_done);
3740 spin_lock_init(&dev_drv->cpl_lock);
3741 mutex_init(&dev_drv->fb_win_id_mutex);
3742 mutex_init(&dev_drv->win_config);
3743 mutex_init(&dev_drv->front_lock);
3744 mutex_init(&dev_drv->switch_screen);
3745 dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3746 dev_drv->first_frame = 1;
3747 dev_drv->overscan.left = 100;
3748 dev_drv->overscan.top = 100;
3749 dev_drv->overscan.right = 100;
3750 dev_drv->overscan.bottom = 100;
3751 rk_disp_pwr_ctr_parse_dt(dev_drv);
3752 if (dev_drv->prop == PRMRY) {
3753 rk_fb_set_prmry_screen(screen);
3754 rk_fb_get_prmry_screen(screen);
3756 dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3757 if (dev_drv->prop != PRMRY)
3758 rk_fb_get_prmry_screen(screen);
3759 dev_drv->output_color = screen->color_mode;
3764 #ifdef CONFIG_LOGO_LINUX_BMP
3765 static struct linux_logo *bmp_logo;
3766 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3768 bmp_logo = fb_find_logo(24);
3769 if (bmp_logo == NULL) {
3770 printk(KERN_INFO "%s error\n", __func__);
3776 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3778 unsigned char *src = bmp_logo->data;
3779 unsigned char *dst = info->screen_base;
3781 unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3782 unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3784 for (i = 0; i < Needheight; i++)
3785 memcpy(dst + info->var.xres * i * 4,
3786 src + bmp_logo->width * i * 4, Needwidth * 4);
3791 * check if the primary lcdc has registerd,
3792 * the primary lcdc mas register first
3794 bool is_prmry_rk_lcdc_registered(void)
3796 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3798 if (rk_fb->lcdc_dev_drv[0])
3804 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3805 struct rk_lcdc_win *win, int id)
3807 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3808 struct fb_info *fbi;
3809 struct rk_fb_par *fb_par = NULL;
3810 int i = 0, ret = 0, index = 0;
3812 if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3815 for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3816 if (!rk_fb->lcdc_dev_drv[i]) {
3817 rk_fb->lcdc_dev_drv[i] = dev_drv;
3818 rk_fb->lcdc_dev_drv[i]->id = id;
3825 init_lcdc_device_driver(rk_fb, win, index);
3826 dev_drv->fb_index_base = rk_fb->num_fb;
3827 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3828 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3830 dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
3833 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
3836 dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
3840 fb_par->id = rk_fb->num_fb;
3841 fb_par->lcdc_drv = dev_drv;
3842 fbi->par = (void *)fb_par;
3845 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
3846 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
3847 fbi->var.grayscale |=
3848 (fbi->var.xres << 8) + (fbi->var.yres << 20);
3849 #if defined(CONFIG_LOGO_LINUX_BMP)
3850 fbi->var.bits_per_pixel = 32;
3852 fbi->var.bits_per_pixel = 16;
3854 fbi->fix.line_length =
3855 (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
3856 fbi->var.width = dev_drv->cur_screen->width;
3857 fbi->var.height = dev_drv->cur_screen->height;
3858 if (dev_drv->iommu_enabled)
3859 fb_ops.fb_mmap = rk_fb_mmap;
3860 fbi->fbops = &fb_ops;
3861 fbi->flags = FBINFO_FLAG_DEFAULT;
3862 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
3863 ret = register_framebuffer(fbi);
3865 dev_err(&fb_pdev->dev,
3866 "%s fb%d register_framebuffer fail!\n",
3867 __func__, rk_fb->num_fb);
3870 rkfb_create_sysfs(fbi);
3871 rk_fb->fb[rk_fb->num_fb] = fbi;
3872 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
3877 init_waitqueue_head(&dev_drv->vsync_info.wait);
3878 init_waitqueue_head(&dev_drv->update_regs_wait);
3879 ret = device_create_file(fbi->dev, &dev_attr_vsync);
3882 "failed to create vsync file\n");
3883 dev_drv->vsync_info.thread =
3884 kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
3886 if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
3888 "failed to run vsync thread\n");
3889 dev_drv->vsync_info.thread = NULL;
3891 dev_drv->vsync_info.active = 1;
3893 mutex_init(&dev_drv->output_lock);
3895 INIT_LIST_HEAD(&dev_drv->update_regs_list);
3896 mutex_init(&dev_drv->update_regs_list_lock);
3897 init_kthread_worker(&dev_drv->update_regs_worker);
3899 dev_drv->update_regs_thread =
3900 kthread_run(kthread_worker_fn,
3901 &dev_drv->update_regs_worker, "rk-fb");
3902 if (IS_ERR(dev_drv->update_regs_thread)) {
3903 int err = PTR_ERR(dev_drv->update_regs_thread);
3904 dev_drv->update_regs_thread = NULL;
3906 printk("failed to run update_regs thread\n");
3909 init_kthread_work(&dev_drv->update_regs_work,
3910 rk_fb_update_regs_handler);
3913 sw_sync_timeline_create("fb-timeline");
3914 dev_drv->timeline_max = 1;
3918 /* show logo for primary display device */
3919 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
3920 if (dev_drv->prop == PRMRY) {
3924 struct fb_info *main_fbi = rk_fb->fb[0];
3925 main_fbi->fbops->fb_open(main_fbi, 1);
3926 main_fbi->var.pixclock = dev_drv->pixclock;
3927 #if defined(CONFIG_ROCKCHIP_IOMMU)
3928 if (dev_drv->iommu_enabled) {
3929 if (dev_drv->mmu_dev)
3930 rockchip_iovmm_set_fault_handler(dev_drv->dev,
3931 rk_fb_sysmmu_fault_handler);
3935 rk_fb_alloc_buffer(main_fbi); /* only alloc memory for main fb */
3936 dev_drv->uboot_logo = support_uboot_display();
3938 if (dev_drv->uboot_logo &&
3939 uboot_logo_offset && uboot_logo_base) {
3940 int width, height, bits;
3941 phys_addr_t start = uboot_logo_base + uboot_logo_offset;
3942 unsigned int size = uboot_logo_size - uboot_logo_offset;
3943 unsigned int nr_pages;
3944 struct page **pages;
3948 if (dev_drv->ops->get_dspbuf_info)
3949 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
3950 &yact, &format, &dsp_addr);
3951 nr_pages = size >> PAGE_SHIFT;
3952 pages = kzalloc(sizeof(struct page) * nr_pages,
3954 while (i < nr_pages) {
3955 pages[i] = phys_to_page(start);
3959 vaddr = vmap(pages, nr_pages, VM_MAP,
3960 pgprot_writecombine(PAGE_KERNEL));
3962 pr_err("failed to vmap phy addr 0x%lx\n",
3963 (long)(uboot_logo_base +
3964 uboot_logo_offset));
3968 if(bmpdecoder(vaddr, main_fbi->screen_base, &width,
3976 if (dev_drv->uboot_logo &&
3977 (width != xact || height != yact)) {
3978 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
3979 xact, yact, width, height);
3983 if (dev_drv->ops->post_dspbuf) {
3984 dev_drv->ops->post_dspbuf(dev_drv,
3985 main_fbi->fix.smem_start,
3986 rk_fb_data_fmt(0, bits),
3987 width, height, width * bits >> 5);
3989 if (dev_drv->iommu_enabled) {
3990 rk_fb_poll_wait_frame_complete();
3991 if (dev_drv->ops->mmu_en)
3992 dev_drv->ops->mmu_en(dev_drv);
3997 } else if (dev_drv->uboot_logo && uboot_logo_base) {
3998 u32 start = uboot_logo_base;
3999 u32 start_base = start;
4001 unsigned int nr_pages;
4002 struct page **pages;
4005 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4008 logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
4009 if (logo_len > uboot_logo_size ||
4010 logo_len > main_fbi->fix.smem_len) {
4011 pr_err("logo size > uboot reserve buffer size\n");
4015 nr_pages = uboot_logo_size >> PAGE_SHIFT;
4016 pages = kzalloc(sizeof(struct page) * nr_pages,
4018 while (i < nr_pages) {
4019 pages[i] = phys_to_page(start);
4023 vaddr = vmap(pages, nr_pages, VM_MAP,
4024 pgprot_writecombine(PAGE_KERNEL));
4026 pr_err("failed to vmap phy addr 0x%x\n",
4031 memcpy(main_fbi->screen_base, vaddr, logo_len);
4036 dev_drv->ops->post_dspbuf(dev_drv,
4037 main_fbi->fix.smem_start,
4039 xact * rk_fb_pixel_width(format) >> 5);
4040 if (dev_drv->iommu_enabled) {
4041 rk_fb_poll_wait_frame_complete();
4042 if (dev_drv->ops->mmu_en)
4043 dev_drv->ops->mmu_en(dev_drv);
4048 if (dev_drv->iommu_enabled) {
4049 if (dev_drv->ops->mmu_en)
4050 dev_drv->ops->mmu_en(dev_drv);
4054 #if defined(CONFIG_LOGO)
4055 main_fbi->fbops->fb_set_par(main_fbi);
4056 #if defined(CONFIG_LOGO_LINUX_BMP)
4057 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
4058 fb_set_cmap(&main_fbi->cmap, main_fbi);
4059 fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
4062 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
4063 fb_set_cmap(&main_fbi->cmap, main_fbi);
4064 fb_show_logo(main_fbi, FB_ROTATE_UR);
4067 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
4070 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
4071 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
4072 rk_fb_alloc_buffer(extend_fbi);
4078 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
4080 struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
4081 struct fb_info *fbi;
4082 int fb_index_base = dev_drv->fb_index_base;
4083 int fb_num = dev_drv->lcdc_win_num;
4086 if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4087 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4088 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4091 for (i = 0; i < fb_num; i++)
4092 kfree(dev_drv->win[i]);
4094 for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4095 fbi = fb_inf->fb[i];
4096 unregister_framebuffer(fbi);
4097 /* rk_release_fb_buffer(fbi); */
4098 framebuffer_release(fbi);
4100 fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4106 static int rk_fb_probe(struct platform_device *pdev)
4108 struct rk_fb *rk_fb = NULL;
4109 struct device_node *np = pdev->dev.of_node;
4113 dev_err(&pdev->dev, "Missing device tree node.\n");
4117 rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4119 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4122 platform_set_drvdata(pdev, rk_fb);
4124 if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4125 rk_fb->disp_mode = mode;
4128 dev_err(&pdev->dev, "no disp-mode node found!");
4132 if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
4133 rk_fb->disp_policy = mode;
4134 pr_info("fb disp policy is %s\n", rk_fb->disp_policy ? "box":"sdk");
4137 if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4138 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
4140 dev_set_name(&pdev->dev, "rockchip-fb");
4141 #if defined(CONFIG_ION_ROCKCHIP)
4142 rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4143 if (IS_ERR(rk_fb->ion_client)) {
4144 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4145 return PTR_ERR(rk_fb->ion_client);
4147 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4152 dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4156 static int rk_fb_remove(struct platform_device *pdev)
4158 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4161 platform_set_drvdata(pdev, NULL);
4165 static void rk_fb_shutdown(struct platform_device *pdev)
4167 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4170 for (i = 0; i < rk_fb->num_lcdc; i++) {
4171 if (!rk_fb->lcdc_dev_drv[i])
4173 sw_sync_timeline_inc(rk_fb->lcdc_dev_drv[i]->timeline, 1);
4177 static const struct of_device_id rkfb_dt_ids[] = {
4178 {.compatible = "rockchip,rk-fb",},
4182 static struct platform_driver rk_fb_driver = {
4183 .probe = rk_fb_probe,
4184 .remove = rk_fb_remove,
4187 .owner = THIS_MODULE,
4188 .of_match_table = of_match_ptr(rkfb_dt_ids),
4190 .shutdown = rk_fb_shutdown,
4193 static int __init rk_fb_init(void)
4195 return platform_driver_register(&rk_fb_driver);
4198 static void __exit rk_fb_exit(void)
4200 platform_driver_unregister(&rk_fb_driver);
4203 fs_initcall(rk_fb_init);
4204 module_exit(rk_fb_exit);