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 <asm/div64.h>
28 #include <linux/uaccess.h>
29 #include <linux/rk_fb.h>
30 #include <linux/linux_logo.h>
31 #include <linux/dma-mapping.h>
32 #include <linux/regulator/consumer.h>
34 #if defined(CONFIG_RK_HDMI)
35 #include "hdmi/rk_hdmi.h"
38 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
44 #include <linux/of_platform.h>
45 #include <linux/of_gpio.h>
46 #include <video/of_display_timing.h>
47 #include <video/display_timing.h>
48 #include <dt-bindings/rkfb/rk_fb.h>
51 #if defined(CONFIG_ION_ROCKCHIP)
52 #include <linux/rockchip_ion.h>
53 #include <linux/rockchip-iovmm.h>
54 #include <linux/dma-buf.h>
55 #include <linux/highmem.h>
59 static int hdmi_switch_complete;
60 static struct platform_device *fb_pdev;
61 struct list_head saved_list;
63 #if defined(CONFIG_FB_MIRRORING)
64 int (*video_data_to_mirroring) (struct fb_info *info, u32 yuv_phy[2]);
65 EXPORT_SYMBOL(video_data_to_mirroring);
68 struct rk_fb_reg_win_data g_reg_win_data[4];
69 static int g_last_win_num;
70 static int g_first_buf = 1;
71 static struct rk_fb_trsm_ops *trsm_lvds_ops;
72 static struct rk_fb_trsm_ops *trsm_edp_ops;
73 static struct rk_fb_trsm_ops *trsm_mipi_ops;
74 static int uboot_logo_on;
75 int support_uboot_display(void)
80 int rk_fb_get_display_policy(void)
85 rk_fb = platform_get_drvdata(fb_pdev);
86 return rk_fb->disp_policy;
88 return DISPLAY_POLICY_SDK;
92 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
97 case SCREEN_DUAL_LVDS:
104 case SCREEN_DUAL_MIPI:
108 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
115 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
117 struct rk_fb_trsm_ops *ops;
121 case SCREEN_DUAL_LVDS:
128 case SCREEN_DUAL_MIPI:
133 printk(KERN_WARNING "%s:un supported transmitter:%d!\n",
140 int rk_fb_pixel_width(int data_format)
143 switch (data_format) {
166 printk(KERN_WARNING "%s:un supported format:0x%x\n",
167 __func__, data_format);
173 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
177 switch (data_format) {
178 case HAL_PIXEL_FORMAT_RGBX_8888:
179 fb_data_fmt = XBGR888;
181 case HAL_PIXEL_FORMAT_RGBA_8888:
182 fb_data_fmt = ABGR888;
184 case HAL_PIXEL_FORMAT_BGRA_8888:
185 fb_data_fmt = ARGB888;
187 case HAL_PIXEL_FORMAT_RGB_888:
188 fb_data_fmt = RGB888;
190 case HAL_PIXEL_FORMAT_RGB_565:
191 fb_data_fmt = RGB565;
193 case HAL_PIXEL_FORMAT_YCbCr_422_SP: /* yuv422 */
194 fb_data_fmt = YUV422;
196 case HAL_PIXEL_FORMAT_YCrCb_NV12: /* YUV420---uvuvuv */
197 fb_data_fmt = YUV420;
199 case HAL_PIXEL_FORMAT_YCrCb_444: /* yuv444 */
200 fb_data_fmt = YUV444;
202 case HAL_PIXEL_FORMAT_YCrCb_NV12_10: /* yuv444 */
203 fb_data_fmt = YUV420_A;
205 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10: /* yuv444 */
206 fb_data_fmt = YUV422_A;
208 case HAL_PIXEL_FORMAT_YCrCb_420_SP_10: /* yuv444 */
209 fb_data_fmt = YUV444_A;
212 printk(KERN_WARNING "%s:un supported format:0x%x\n",
213 __func__, data_format);
217 switch (bits_per_pixel) {
219 fb_data_fmt = ARGB888;
222 fb_data_fmt = RGB565;
226 "%s:un supported bits_per_pixel:%d\n", __func__,
235 * rk display power control parse from dts
237 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
239 struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
241 struct device_node *child;
242 struct rk_disp_pwr_ctr_list *pwr_ctr;
243 struct list_head *pos;
244 enum of_gpio_flags flags;
249 INIT_LIST_HEAD(&dev_drv->pwrlist_head);
251 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
256 for_each_child_of_node(root, child) {
257 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
259 strcpy(pwr_ctr->pwr_ctr.name, child->name);
260 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
262 pwr_ctr->pwr_ctr.type = GPIO;
263 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
264 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
265 dev_err(dev_drv->dev, "%s ivalid gpio\n",
269 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
270 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
273 dev_err(dev_drv->dev,
274 "request %s gpio fail:%d\n",
279 pwr_ctr->pwr_ctr.type = REGULATOR;
280 pwr_ctr->pwr_ctr.rgl_name = NULL;
281 ret = of_property_read_string(child, "rockchip,regulator_name",
282 &(pwr_ctr->pwr_ctr.rgl_name));
283 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
284 dev_err(dev_drv->dev, "get regulator name failed!\n");
285 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
286 pwr_ctr->pwr_ctr.volt = val;
288 pwr_ctr->pwr_ctr.volt = 0;
292 if (!of_property_read_u32(child, "rockchip,delay", &val))
293 pwr_ctr->pwr_ctr.delay = val;
295 pwr_ctr->pwr_ctr.delay = 0;
296 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
299 of_property_read_u32(root, "rockchip,debug", &debug);
302 list_for_each(pos, &dev_drv->pwrlist_head) {
303 pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
305 printk(KERN_INFO "pwr_ctr_name:%s\n"
310 pwr_ctr->pwr_ctr.name,
311 (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
312 pwr_ctr->pwr_ctr.gpio,
313 pwr_ctr->pwr_ctr.atv_val,
314 pwr_ctr->pwr_ctr.delay);
322 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
324 struct list_head *pos;
325 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
326 struct pwr_ctr *pwr_ctr;
327 struct regulator *regulator_lcd = NULL;
330 if (list_empty(&dev_drv->pwrlist_head))
332 list_for_each(pos, &dev_drv->pwrlist_head) {
333 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
335 pwr_ctr = &pwr_ctr_list->pwr_ctr;
336 if (pwr_ctr->type == GPIO) {
337 gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
338 mdelay(pwr_ctr->delay);
339 } else if (pwr_ctr->type == REGULATOR) {
340 if (pwr_ctr->rgl_name)
341 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
342 if (regulator_lcd == NULL) {
343 dev_err(dev_drv->dev,
344 "%s: regulator get failed,regulator name:%s\n",
345 __func__, pwr_ctr->rgl_name);
348 regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
349 while (!regulator_is_enabled(regulator_lcd)) {
350 if (regulator_enable(regulator_lcd) == 0 || count == 0)
353 dev_err(dev_drv->dev,
354 "regulator_enable failed,count=%d\n",
358 regulator_put(regulator_lcd);
359 msleep(pwr_ctr->delay);
366 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
368 struct list_head *pos;
369 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
370 struct pwr_ctr *pwr_ctr;
371 struct regulator *regulator_lcd = NULL;
374 if (list_empty(&dev_drv->pwrlist_head))
376 list_for_each(pos, &dev_drv->pwrlist_head) {
377 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
379 pwr_ctr = &pwr_ctr_list->pwr_ctr;
380 if (pwr_ctr->type == GPIO) {
381 gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
382 } else if (pwr_ctr->type == REGULATOR) {
383 if (pwr_ctr->rgl_name)
384 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
385 if (regulator_lcd == NULL) {
386 dev_err(dev_drv->dev,
387 "%s: regulator get failed,regulator name:%s\n",
388 __func__, pwr_ctr->rgl_name);
391 while (regulator_is_enabled(regulator_lcd) > 0) {
392 if (regulator_disable(regulator_lcd) == 0 || count == 0)
395 dev_err(dev_drv->dev,
396 "regulator_disable failed,count=%d\n",
400 regulator_put(regulator_lcd);
406 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
407 struct rk_screen *screen)
409 screen->mode.pixclock = dt->pixelclock.typ;
410 screen->mode.left_margin = dt->hback_porch.typ;
411 screen->mode.right_margin = dt->hfront_porch.typ;
412 screen->mode.xres = dt->hactive.typ;
413 screen->mode.hsync_len = dt->hsync_len.typ;
414 screen->mode.upper_margin = dt->vback_porch.typ;
415 screen->mode.lower_margin = dt->vfront_porch.typ;
416 screen->mode.yres = dt->vactive.typ;
417 screen->mode.vsync_len = dt->vsync_len.typ;
418 screen->type = dt->screen_type;
419 screen->lvds_format = dt->lvds_format;
420 screen->face = dt->face;
421 screen->color_mode = dt->color_mode;
422 screen->dsp_lut = dt->dsp_lut;
424 if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
425 screen->pin_dclk = 1;
427 screen->pin_dclk = 0;
428 if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
429 screen->pin_hsync = 1;
431 screen->pin_hsync = 0;
432 if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
433 screen->pin_vsync = 1;
435 screen->pin_vsync = 0;
436 if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
445 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
447 struct display_timings *disp_timing;
448 struct display_timing *dt;
449 disp_timing = of_get_display_timings(np);
451 pr_err("parse display timing err\n");
454 dt = display_timings_get(disp_timing, disp_timing->native_mode);
455 rk_fb_video_mode_from_timing(dt, screen);
460 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
463 unsigned long long hz;
465 printk(KERN_ERR "%s:null screen!\n", __func__);
468 x = screen->mode.xres + screen->mode.left_margin +
469 screen->mode.right_margin + screen->mode.hsync_len;
470 y = screen->mode.yres + screen->mode.upper_margin +
471 screen->mode.lower_margin + screen->mode.vsync_len;
473 hz = 1000000000000ULL; /* 1e12 picoseconds per second */
476 do_div(hz, x * y); /* divide by x * y with rounding */
479 do_div(hz, pixclock); /* divide by pixclock with rounding */
484 char *get_format_string(enum data_format format, char *fmt)
490 strcpy(fmt, "ARGB888");
493 strcpy(fmt, "RGB888");
496 strcpy(fmt, "RGB565");
499 strcpy(fmt, "YUV420");
502 strcpy(fmt, "YUV422");
505 strcpy(fmt, "YUV444");
508 strcpy(fmt, "YUV420_A");
511 strcpy(fmt, "YUV422_A");
514 strcpy(fmt, "YUV444_A");
517 strcpy(fmt, "XRGB888");
520 strcpy(fmt, "XBGR888");
523 strcpy(fmt, "ABGR888");
526 strcpy(fmt, "invalid");
536 * name: lcdc device name ,lcdc0 , lcdc1
538 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
540 struct rk_fb *inf = NULL;
541 struct rk_lcdc_driver *dev_drv = NULL;
545 inf = platform_get_drvdata(fb_pdev);
549 for (i = 0; i < inf->num_lcdc; i++) {
550 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
551 dev_drv = inf->lcdc_dev_drv[i];
559 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
561 struct rk_fb *inf = NULL;
562 struct rk_lcdc_driver *dev_drv = NULL;
566 inf = platform_get_drvdata(fb_pdev);
570 for (i = 0; i < inf->num_lcdc; i++) {
571 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
572 dev_drv = inf->lcdc_dev_drv[i];
581 * get one frame time of the prmry screen, unit: us
583 u32 rk_fb_get_prmry_screen_ft(void)
585 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
586 uint32_t htotal, vtotal, pixclock_ps;
587 u64 pix_total, ft_us;
589 if (unlikely(!dev_drv))
592 pixclock_ps = dev_drv->pixclock;
594 vtotal = (dev_drv->cur_screen->mode.upper_margin +
595 dev_drv->cur_screen->mode.lower_margin +
596 dev_drv->cur_screen->mode.yres +
597 dev_drv->cur_screen->mode.vsync_len);
598 htotal = (dev_drv->cur_screen->mode.left_margin +
599 dev_drv->cur_screen->mode.right_margin +
600 dev_drv->cur_screen->mode.xres +
601 dev_drv->cur_screen->mode.hsync_len);
602 pix_total = htotal * vtotal;
603 ft_us = pix_total * pixclock_ps;
604 do_div(ft_us, 1000000);
605 if (dev_drv->frame_time.ft == 0)
606 dev_drv->frame_time.ft = ft_us;
608 ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
610 ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
612 dev_drv->frame_time.ft = ft_us;
614 return dev_drv->frame_time.ft;
618 * get the vblanking time of the prmry screen, unit: us
620 u32 rk_fb_get_prmry_screen_vbt(void)
622 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
623 uint32_t htotal, vblank, pixclock_ps;
624 u64 pix_blank, vbt_us;
626 if (unlikely(!dev_drv))
629 pixclock_ps = dev_drv->pixclock;
631 htotal = (dev_drv->cur_screen->mode.left_margin +
632 dev_drv->cur_screen->mode.right_margin +
633 dev_drv->cur_screen->mode.xres +
634 dev_drv->cur_screen->mode.hsync_len);
635 vblank = (dev_drv->cur_screen->mode.upper_margin +
636 dev_drv->cur_screen->mode.lower_margin +
637 dev_drv->cur_screen->mode.vsync_len);
638 pix_blank = htotal * vblank;
639 vbt_us = pix_blank * pixclock_ps;
640 do_div(vbt_us, 1000000);
645 * get the frame done time of the prmry screen, unit: us
647 u64 rk_fb_get_prmry_screen_framedone_t(void)
649 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
651 if (unlikely(!dev_drv))
654 return dev_drv->frame_time.framedone_t;
658 * set prmry screen status
660 int rk_fb_set_prmry_screen_status(int status)
662 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
663 struct rk_screen *screen;
665 if (unlikely(!dev_drv))
668 screen = dev_drv->cur_screen;
670 case SCREEN_PREPARE_DDR_CHANGE:
671 if (screen->type == SCREEN_MIPI
672 || screen->type == SCREEN_DUAL_MIPI) {
673 if (dev_drv->trsm_ops->dsp_pwr_off)
674 dev_drv->trsm_ops->dsp_pwr_off();
677 case SCREEN_UNPREPARE_DDR_CHANGE:
678 if (screen->type == SCREEN_MIPI
679 || screen->type == SCREEN_DUAL_MIPI) {
680 if (dev_drv->trsm_ops->dsp_pwr_on)
681 dev_drv->trsm_ops->dsp_pwr_on();
691 static struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
693 struct rk_fb *inf = NULL;
694 struct rk_lcdc_driver *dev_drv = NULL;
698 inf = platform_get_drvdata(fb_pdev);
702 for (i = 0; i < inf->num_lcdc; i++) {
703 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
704 dev_drv = inf->lcdc_dev_drv[i];
712 u32 rk_fb_get_prmry_screen_pixclock(void)
714 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
716 if (unlikely(!dev_drv))
719 return dev_drv->pixclock;
722 int rk_fb_poll_prmry_screen_vblank(void)
724 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
726 if (likely(dev_drv)) {
727 if (dev_drv->ops->poll_vblank)
728 return dev_drv->ops->poll_vblank(dev_drv);
730 return RK_LF_STATUS_NC;
732 return RK_LF_STATUS_NC;
736 bool rk_fb_poll_wait_frame_complete(void)
738 uint32_t timeout = RK_LF_MAX_TIMEOUT;
739 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
741 if (likely(dev_drv)) {
742 if (dev_drv->ops->set_irq_to_cpu)
743 dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
746 if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
747 if (likely(dev_drv)) {
748 if (dev_drv->ops->set_irq_to_cpu)
749 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
753 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
755 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
757 if (likely(dev_drv)) {
758 if (dev_drv->ops->set_irq_to_cpu)
759 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
766 /* rk_fb_get_sysmmu_device_by_compatible()
767 * @compt: dts device compatible name
768 * return value: success: pointer to the device inside of platform device
771 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
773 struct device_node *dn = NULL;
774 struct platform_device *pd = NULL;
775 struct device *ret = NULL ;
777 dn = of_find_compatible_node(NULL, NULL, compt);
779 printk("can't find device node %s \r\n", compt);
783 pd = of_find_device_by_node(dn);
785 printk("can't find platform device in device node %s \r\n", compt);
793 #ifdef CONFIG_IOMMU_API
794 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
796 dev->archdata.iommu = sysmmu;
799 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
805 static int rk_fb_open(struct fb_info *info, int user)
807 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
808 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
811 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
813 /* if this win aready opened ,no need to reopen */
814 if (dev_drv->win[win_id]->state)
817 dev_drv->ops->open(dev_drv, win_id, 1);
821 static int get_extend_fb_id(struct fb_info *info)
824 char *id = info->fix.id;
825 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
826 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
828 if (!strcmp(id, "fb0"))
830 else if (!strcmp(id, "fb1"))
832 else if (!strcmp(id, "fb2") && (dev_drv->lcdc_win_num > 2))
834 else if (!strcmp(id, "fb3") && (dev_drv->lcdc_win_num > 3))
839 static int rk_fb_close(struct fb_info *info, int user)
841 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
842 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
843 struct rk_lcdc_win *win = NULL;
844 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
847 win = dev_drv->win[win_id];
849 if (!fb_par->state) {
850 if (fb_par->fb_phy_base > 0)
851 info->fix.smem_start = fb_par->fb_phy_base;
852 info->var.xres = dev_drv->screen0->mode.xres;
853 info->var.yres = dev_drv->screen0->mode.yres;
855 info->var.grayscale |=
856 (info->var.xres << 8) + (info->var.yres << 20);
858 info->var.xres_virtual = info->var.xres;
859 info->var.yres_virtual = info->var.yres;
860 #if defined(CONFIG_LOGO_LINUX_BMP)
861 info->var.bits_per_pixel = 32;
863 info->var.bits_per_pixel = 16;
865 info->fix.line_length =
866 (info->var.xres_virtual) * (info->var.bits_per_pixel >> 3);
867 info->var.width = dev_drv->screen0->width;
868 info->var.height = dev_drv->screen0->height;
869 info->var.pixclock = dev_drv->pixclock;
870 info->var.left_margin = dev_drv->screen0->mode.left_margin;
871 info->var.right_margin = dev_drv->screen0->mode.right_margin;
872 info->var.upper_margin = dev_drv->screen0->mode.upper_margin;
873 info->var.lower_margin = dev_drv->screen0->mode.lower_margin;
874 info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
875 info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
883 #if defined(CONFIG_RK29_IPP)
884 static int get_ipp_format(int fmt)
886 int ipp_fmt = IPP_XRGB_8888;
888 case HAL_PIXEL_FORMAT_RGBX_8888:
889 case HAL_PIXEL_FORMAT_RGBA_8888:
890 case HAL_PIXEL_FORMAT_BGRA_8888:
891 case HAL_PIXEL_FORMAT_RGB_888:
892 ipp_fmt = IPP_XRGB_8888;
894 case HAL_PIXEL_FORMAT_RGB_565:
895 ipp_fmt = IPP_RGB_565;
897 case HAL_PIXEL_FORMAT_YCbCr_422_SP:
898 ipp_fmt = IPP_Y_CBCR_H2V1;
900 case HAL_PIXEL_FORMAT_YCrCb_NV12:
901 ipp_fmt = IPP_Y_CBCR_H2V2;
903 case HAL_PIXEL_FORMAT_YCrCb_444:
904 ipp_fmt = IPP_Y_CBCR_H1V1;
907 ipp_fmt = IPP_IMGTYPE_LIMIT;
914 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
915 int rotation, int fmt)
920 if (fmt == IPP_XRGB_8888) {
923 } else if (fmt == IPP_RGB_565) {
930 align16 -= 1; /*for YUV, 1 */
931 align64 -= 1; /*for YUV, 7 */
933 if (rotation == IPP_ROT_0) {
934 if (fmt > IPP_RGB_565) {
935 if ((*dst_w & 1) != 0)
937 if ((*dst_h & 1) != 0)
939 if (*dst_vir_w < *dst_w)
943 if ((*dst_w & align64) != 0)
944 *dst_w = (*dst_w + align64) & (~align64);
945 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
947 if (*dst_vir_w < *dst_w)
952 static void fb_copy_by_ipp(struct fb_info *dst_info,
953 struct fb_info *src_info)
955 struct rk29_ipp_req ipp_req;
956 uint32_t rotation = 0;
957 int dst_w, dst_h, dst_vir_w;
959 u8 data_format = (dst_info->var.nonstd) & 0xff;
960 struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
961 struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
962 u16 orientation = ext_dev_drv->rotate_mode;
964 memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
966 switch (orientation) {
968 rotation = IPP_ROT_0;
971 rotation = IPP_ROT_90;
974 rotation = IPP_ROT_180;
977 rotation = IPP_ROT_270;
980 rotation = IPP_ROT_270;
984 dst_w = dst_info->var.xres;
985 dst_h = dst_info->var.yres;
986 dst_vir_w = dst_info->var.xres_virtual;
987 ipp_fmt = get_ipp_format(data_format);
988 ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
989 ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
990 ipp_req.src0.w = src_info->var.xres;
991 ipp_req.src0.h = src_info->var.yres;
992 ipp_req.src_vir_w = src_info->var.xres_virtual;
993 ipp_req.src0.fmt = ipp_fmt;
995 ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
996 ipp_req.dst0.w = dst_w;
997 ipp_req.dst0.h = dst_h;
998 ipp_req.dst_vir_w = dst_vir_w;
999 ipp_req.dst0.fmt = ipp_fmt;
1001 ipp_req.timeout = 100;
1002 ipp_req.flag = rotation;
1003 ipp_blit_sync(&ipp_req);
1008 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1009 static int get_rga_format(int fmt)
1015 rga_fmt = RK_FORMAT_RGBX_8888;
1018 rga_fmt = RK_FORMAT_RGBA_8888;
1021 rga_fmt = RK_FORMAT_BGRA_8888;
1024 rga_fmt = RK_FORMAT_RGB_888;
1027 rga_fmt = RK_FORMAT_RGB_565;
1030 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1033 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1036 rga_fmt = RK_FORMAT_RGBA_8888;
1043 static void rga_win_check(struct rk_lcdc_win *dst_win,
1044 struct rk_lcdc_win *src_win)
1048 format = get_rga_format(src_win->format);
1049 /* width and height must be even number */
1050 if (format >= RK_FORMAT_YCbCr_422_SP &&
1051 format <= RK_FORMAT_YCrCb_420_P) {
1052 if ((src_win->area[0].xact % 2) != 0)
1053 src_win->area[0].xact += 1;
1054 if ((src_win->area[0].yact % 2) != 0)
1055 src_win->area[0].yact += 1;
1057 if (src_win->area[0].xvir < src_win->area[0].xact)
1058 src_win->area[0].xvir = src_win->area[0].xact;
1059 if (src_win->area[0].yvir < src_win->area[0].yact)
1060 src_win->area[0].yvir = src_win->area[0].yact;
1062 format = get_rga_format(dst_win->format);
1063 if (format >= RK_FORMAT_YCbCr_422_SP &&
1064 format <= RK_FORMAT_YCrCb_420_P) {
1065 if ((dst_win->area[0].xact % 2) != 0)
1066 dst_win->area[0].xact += 1;
1067 if ((dst_win->area[0].yact % 2) != 0)
1068 dst_win->area[0].yact += 1;
1070 if (dst_win->area[0].xvir < dst_win->area[0].xact)
1071 dst_win->area[0].xvir = dst_win->area[0].xact;
1072 if (dst_win->area[0].yvir < dst_win->area[0].yact)
1073 dst_win->area[0].yvir = dst_win->area[0].yact;
1076 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1077 struct rk_lcdc_win *src_win,
1078 u16 orientation, int iommu_en)
1080 struct rga_req Rga_Request;
1084 memset(&Rga_Request, 0, sizeof(Rga_Request));
1085 rga_win_check(dst_win, src_win);
1087 switch (orientation) {
1089 Rga_Request.rotate_mode = 1;
1090 Rga_Request.sina = 65536;
1091 Rga_Request.cosa = 0;
1092 Rga_Request.dst.act_w = dst_win->area[0].yact;
1093 Rga_Request.dst.act_h = dst_win->area[0].xact;
1094 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1095 Rga_Request.dst.y_offset = 0;
1098 Rga_Request.rotate_mode = 1;
1099 Rga_Request.sina = 0;
1100 Rga_Request.cosa = -65536;
1101 Rga_Request.dst.act_w = dst_win->area[0].xact;
1102 Rga_Request.dst.act_h = dst_win->area[0].yact;
1103 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1104 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1107 Rga_Request.rotate_mode = 1;
1108 Rga_Request.sina = -65536;
1109 Rga_Request.cosa = 0;
1110 Rga_Request.dst.act_w = dst_win->area[0].yact;
1111 Rga_Request.dst.act_h = dst_win->area[0].xact;
1112 Rga_Request.dst.x_offset = 0;
1113 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1116 Rga_Request.rotate_mode = 0;
1117 Rga_Request.dst.act_w = dst_win->area[0].xact;
1118 Rga_Request.dst.act_h = dst_win->area[0].yact;
1119 Rga_Request.dst.x_offset = dst_win->area[0].xact - 1;
1120 Rga_Request.dst.y_offset = dst_win->area[0].yact - 1;
1125 fd = ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1126 Rga_Request.src.yrgb_addr = fd;
1127 fd = ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1128 Rga_Request.dst.yrgb_addr = fd;
1130 Rga_Request.src.yrgb_addr = 0;
1131 Rga_Request.src.uv_addr =
1132 src_win->area[0].smem_start + src_win->area[0].y_offset;
1133 Rga_Request.src.v_addr = 0;
1135 Rga_Request.dst.yrgb_addr = 0;
1136 Rga_Request.dst.uv_addr =
1137 dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1138 Rga_Request.dst.v_addr = 0;
1140 Rga_Request.src.vir_w = src_win->area[0].xvir;
1141 Rga_Request.src.vir_h = src_win->area[0].yvir;
1142 Rga_Request.src.format = get_rga_format(src_win->format);
1143 Rga_Request.src.act_w = src_win->area[0].xact;
1144 Rga_Request.src.act_h = src_win->area[0].yact;
1145 Rga_Request.src.x_offset = 0;
1146 Rga_Request.src.y_offset = 0;
1148 Rga_Request.dst.vir_w = dst_win->area[0].xvir;
1149 Rga_Request.dst.vir_h = dst_win->area[0].yvir;
1150 Rga_Request.dst.format = get_rga_format(dst_win->format);
1152 Rga_Request.clip.xmin = 0;
1153 Rga_Request.clip.xmax = dst_win->area[0].xact - 1;
1154 Rga_Request.clip.ymin = 0;
1155 Rga_Request.clip.ymax = dst_win->area[0].yact - 1;
1156 Rga_Request.scale_mode = 0;
1157 #if defined(CONFIG_ROCKCHIP_IOMMU)
1159 Rga_Request.mmu_info.mmu_en = 1;
1160 Rga_Request.mmu_info.mmu_flag = 1;
1162 Rga_Request.mmu_info.mmu_en = 0;
1163 Rga_Request.mmu_info.mmu_flag = 0;
1166 Rga_Request.mmu_info.mmu_en = 0;
1167 Rga_Request.mmu_info.mmu_flag = 0;
1170 ret = rga_ioctl_kernel(&Rga_Request);
1174 * This function is used for copying fb by RGA Module
1175 * RGA only support copy RGB to RGB
1176 * RGA2 support copy RGB to RGB and YUV to YUV
1178 static void fb_copy_by_rga(struct fb_info *dst_info,
1179 struct fb_info *src_info)
1181 struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1182 struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1183 struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1184 struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1185 int win_id = 0, ext_win_id;
1186 struct rk_lcdc_win *src_win, *dst_win;
1188 win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1189 src_win = dev_drv->win[win_id];
1192 ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1193 dst_win = ext_dev_drv->win[ext_win_id];
1195 win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1196 ext_dev_drv->iommu_enabled);
1201 static int rk_fb_rotate(struct fb_info *dst_info,
1202 struct fb_info *src_info)
1205 #if defined(CONFIG_RK29_IPP)
1206 fb_copy_by_ipp(dst_info, src_info);
1207 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1208 fb_copy_by_rga(dst_info, src_info);
1215 static int rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1216 struct rk_lcdc_win *src_win,
1217 u16 rotate, int iommu_en)
1219 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1220 win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1227 static int rk_fb_set_ext_win_buffer(struct rk_lcdc_win *ext_win,
1228 struct rk_lcdc_win *win,
1229 u16 rotate, int iommu_en)
1231 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1232 struct fb_info *ext_info = rk_fb->fb[(rk_fb->num_fb >> 1)];
1233 struct rk_fb_par *ext_fb_par = (struct rk_fb_par *)ext_info->par;
1234 struct rk_lcdc_driver *ext_dev_drv = rk_get_extend_lcdc_drv();
1235 struct rk_lcdc_win *last_win;
1236 static u8 fb_index = 0;
1237 ion_phys_addr_t phy_addr;
1240 bool is_yuv = false;
1242 if (unlikely(!ext_win) || unlikely(!win))
1245 if (rk_fb->disp_mode != DUAL || ext_info == NULL)
1248 switch (ext_win->format) {
1262 /* no rotate mode */
1263 if (rotate <= X_Y_MIRROR) {
1265 ret = ion_map_iommu(ext_dev_drv->dev,
1267 win->area[0].ion_hdl,
1268 (unsigned long *)&phy_addr,
1269 (unsigned long *)&len);
1271 dev_err(ext_dev_drv->dev, "ion map to get phy addr failed\n");
1272 ion_free(rk_fb->ion_client, win->area[0].ion_hdl);
1275 ext_win->area[0].smem_start = phy_addr;
1276 ext_win->area[0].y_offset = win->area[0].y_offset;
1278 ext_win->area[0].cbr_start = win->area[0].cbr_start;
1279 ext_win->area[0].c_offset = win->area[0].c_offset;
1281 ext_win->area[0].cbr_start = 0;
1282 ext_win->area[0].c_offset = 0;
1285 ext_win->area[0].smem_start = win->area[0].smem_start;
1286 ext_win->area[0].y_offset = win->area[0].y_offset;
1288 ext_win->area[0].cbr_start = win->area[0].cbr_start;
1289 ext_win->area[0].c_offset = win->area[0].c_offset;
1291 ext_win->area[0].cbr_start = 0;
1292 ext_win->area[0].c_offset = 0;
1301 if (ext_win->id == 0) {
1302 ext_win->area[0].smem_start = ext_fb_par->fb_phy_base;
1303 ext_win->area[0].y_offset = (get_rotate_fb_size() >> 1) * fb_index;
1304 if ((++fb_index) > 1)
1307 ext_win->area[0].y_offset = 0;
1308 last_win = ext_dev_drv->win[ext_win->id - 1];
1309 if (last_win->area[0].cbr_start)
1310 ext_win->area[0].smem_start =
1311 last_win->area[0].cbr_start +
1312 last_win->area[0].c_offset +
1313 last_win->area[0].xvir * last_win->area[0].yvir;
1315 ext_win->area[0].smem_start =
1316 last_win->area[0].smem_start +
1317 last_win->area[0].y_offset +
1318 last_win->area[0].xvir * last_win->area[0].yvir;
1322 ext_win->area[0].cbr_start =
1323 ext_win->area[0].smem_start +
1324 ext_win->area[0].y_offset +
1325 ext_win->area[0].xvir * ext_win->area[0].yvir;
1326 ext_win->area[0].c_offset = win->area[0].c_offset;
1328 ext_win->area[0].cbr_start = 0;
1329 ext_win->area[0].c_offset = 0;
1336 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1337 struct fb_info *info)
1339 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
1340 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1341 struct rk_fb_par *extend_fb_par = NULL;
1342 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1343 struct fb_fix_screeninfo *fix = &info->fix;
1344 struct fb_info *extend_info = NULL;
1345 struct rk_lcdc_driver *extend_dev_drv = NULL;
1346 int win_id = 0, extend_win_id = 0;
1347 struct rk_lcdc_win *extend_win = NULL;
1348 struct rk_lcdc_win *win = NULL;
1349 struct rk_screen *screen = dev_drv->cur_screen;
1352 u32 xoffset = var->xoffset;
1353 u32 yoffset = var->yoffset;
1354 u32 xvir = var->xres_virtual;
1355 /* u32 yvir = var->yres_virtual; */
1356 /* u8 data_format = var->nonstd&0xff; */
1360 u32 stride, uv_stride;
1363 u16 uv_x_off, uv_y_off, uv_y_act;
1366 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1370 win = dev_drv->win[win_id];
1372 if (rk_fb->disp_mode == DUAL) {
1373 fb_id = get_extend_fb_id(info);
1374 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
1375 extend_fb_par = (struct rk_fb_par *)extend_info->par;
1376 extend_dev_drv = extend_fb_par->lcdc_drv;
1377 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
1378 extend_info->fix.id);
1379 extend_win = extend_dev_drv->win[extend_win_id];
1382 pixel_width = rk_fb_pixel_width(win->format);
1383 vir_width_bit = pixel_width * xvir;
1384 /* pixel_width = byte_num * 8 */
1385 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1386 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1388 switch (win->format) {
1392 stride = stride_32bit_1;
1393 uv_stride = stride_32bit_1 >> 1;
1394 uv_x_off = xoffset >> 1;
1396 fix->line_length = stride;
1397 uv_y_act = win->area[0].yact >> 1;
1399 case YUV420: /* 420sp */
1402 stride = stride_32bit_1;
1403 uv_stride = stride_32bit_1;
1405 uv_y_off = yoffset >> 1;
1406 fix->line_length = stride;
1407 uv_y_act = win->area[0].yact >> 1;
1412 stride = stride_32bit_1;
1413 uv_stride = stride_32bit_2;
1414 uv_x_off = xoffset * 2;
1416 fix->line_length = stride << 2;
1417 uv_y_act = win->area[0].yact;
1420 stride = stride_32bit_1; /* default rgb */
1421 fix->line_length = stride;
1425 /* x y mirror ,jump line */
1426 if (screen->y_mirror == 1) {
1427 if (screen->interlace == 1) {
1428 win->area[0].y_offset = yoffset * stride * 2 +
1429 ((win->area[0].yact - 1) * 2 + 1) * stride +
1430 xoffset * pixel_width / 8;
1432 win->area[0].y_offset = yoffset * stride +
1433 (win->area[0].yact - 1) * stride +
1434 xoffset * pixel_width / 8;
1437 if (screen->interlace == 1) {
1438 win->area[0].y_offset =
1439 yoffset * stride * 2 + xoffset * pixel_width / 8;
1441 win->area[0].y_offset =
1442 yoffset * stride + xoffset * pixel_width / 8;
1445 if (is_pic_yuv == 1) {
1446 if (screen->y_mirror == 1) {
1447 if (screen->interlace == 1) {
1448 win->area[0].c_offset =
1449 uv_y_off * uv_stride * 2 +
1450 ((uv_y_act - 1) * 2 + 1) * uv_stride +
1451 uv_x_off * pixel_width / 8;
1453 win->area[0].c_offset = uv_y_off * uv_stride +
1454 (uv_y_act - 1) * uv_stride +
1455 uv_x_off * pixel_width / 8;
1458 if (screen->interlace == 1) {
1459 win->area[0].c_offset =
1460 uv_y_off * uv_stride * 2 +
1461 uv_x_off * pixel_width / 8;
1463 win->area[0].c_offset =
1464 uv_y_off * uv_stride +
1465 uv_x_off * pixel_width / 8;
1470 win->area[0].smem_start = fix->smem_start;
1471 win->area[0].cbr_start = fix->mmio_start;
1472 win->area[0].state = 1;
1475 dev_drv->ops->pan_display(dev_drv, win_id);
1477 if (rk_fb->disp_mode == DUAL) {
1478 if (extend_info != info && extend_win->state &&
1479 hdmi_switch_complete) {
1480 rk_fb_set_ext_win_buffer(extend_win, win,
1481 extend_dev_drv->rotate_mode,
1482 extend_dev_drv->iommu_enabled);
1483 if (extend_dev_drv->rotate_mode > X_Y_MIRROR)
1484 rk_fb_rotate(extend_info, info);
1486 extend_dev_drv->ops->pan_display(extend_dev_drv,
1488 extend_dev_drv->ops->cfg_done(extend_dev_drv);
1491 #ifdef CONFIG_FB_MIRRORING
1492 if (video_data_to_mirroring)
1493 video_data_to_mirroring(info, NULL);
1495 dev_drv->ops->cfg_done(dev_drv);
1499 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1503 i = list_empty(&dev_drv->update_regs_list);
1504 j = list_empty(&saved_list);
1505 return i == j ? 0 : 1;
1508 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1510 int err = sync_fence_wait(fence, 1000);
1516 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1519 printk("error waiting on fence\n");
1522 static int rk_fb_copy_from_loader(struct fb_info *info)
1524 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1525 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1526 void *dst = info->screen_base;
1531 struct rk_lcdc_win *win;
1533 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1534 win = dev_drv->win[win_id];
1535 size = (win->area[0].xact) * (win->area[0].yact) << 2;
1536 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1537 src = dsp_addr[win_id];
1538 dev_info(info->dev, "copy fb data %d x %d from dst_addr:%08x\n",
1539 win->area[0].xact, win->area[0].yact, src);
1540 for (i = 0; i < size; i += PAGE_SIZE) {
1541 void *page = phys_to_page(i + src);
1542 void *from_virt = kmap(page);
1543 void *to_virt = dst + i;
1544 memcpy(to_virt, from_virt, PAGE_SIZE);
1546 dev_drv->ops->direct_set_addr(dev_drv, win_id,
1547 info->fix.smem_start);
1551 #ifdef CONFIG_ROCKCHIP_IOMMU
1552 static int g_last_addr[4];
1557 #define DUMP_CHUNK 256
1558 char buf[PAGE_SIZE];
1560 int rk_fb_sysmmu_fault_handler(struct device *dev,
1561 enum rk_iommu_inttype itype,
1562 unsigned long pgtable_base,
1563 unsigned long fault_addr, unsigned int status)
1565 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1567 static int page_fault_cnt;
1568 if ((page_fault_cnt++) >= 10)
1571 ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1572 fault_addr, pgtable_base, status);
1573 printk("last config addr:\n" "win0:0x%08x\n" "win1:0x%08x\n"
1574 "win2:0x%08x\n" "win3:0x%08x\n", g_last_addr[0], g_last_addr[1],
1575 g_last_addr[2], g_last_addr[3]);
1576 printk("last freed buffer:\n");
1577 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1578 printk("%d:0x%08x\n", i, freed_addr[i]);
1579 printk("last timeout:%d\n", g_last_timeout);
1580 dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1581 for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1582 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1583 char c = buf[i + DUMP_CHUNK];
1584 buf[i + DUMP_CHUNK] = 0;
1585 pr_cont("%s", buf + i);
1586 buf[i + DUMP_CHUNK] = c;
1588 buf[PAGE_SIZE - 1] = 0;
1589 pr_cont("%s", buf + i);
1597 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1598 struct rk_fb_reg_win_data *reg_win_data)
1601 struct rk_fb_reg_area_data *area_data;
1602 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1603 #if defined(CONFIG_ROCKCHIP_IOMMU)
1604 struct rk_lcdc_driver *ext_dev_drv = rk_get_extend_lcdc_drv();
1607 for (i = 0; i < reg_win_data->area_num; i++) {
1608 area_data = ®_win_data->reg_area_data[i];
1609 index_buf = area_data->index_buf;
1610 #if defined(CONFIG_ROCKCHIP_IOMMU)
1611 if (dev_drv->iommu_enabled) {
1612 if (rk_fb->disp_policy != DISPLAY_POLICY_BOX)
1613 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1614 area_data->ion_handle);
1615 freed_addr[freed_index++] = area_data->smem_start;
1617 if (rk_fb->disp_mode == DUAL && hdmi_switch_complete) {
1618 if (ext_dev_drv->iommu_enabled)
1619 ion_unmap_iommu(ext_dev_drv->dev,
1621 area_data->ion_handle);
1624 if (area_data->ion_handle != NULL) {
1625 ion_unmap_kernel(rk_fb->ion_client,
1626 area_data->ion_handle);
1627 ion_free(rk_fb->ion_client, area_data->ion_handle);
1629 if (area_data->acq_fence)
1630 sync_fence_put(area_data->acq_fence);
1632 memset(reg_win_data, 0, sizeof(struct rk_fb_reg_win_data));
1636 * function: update extend win info acorrding to primary win info,
1637 the function is only used for dual display mode
1638 * @ext_dev_drv: the extend lcdc driver
1639 * @dev_drv: the primary lcdc driver
1640 * @ext_win: the lcdc win info of extend screen
1641 * @win: the lcdc win info of primary screen
1643 static int rk_fb_update_ext_win(struct rk_lcdc_driver *ext_dev_drv,
1644 struct rk_lcdc_driver *dev_drv,
1645 struct rk_lcdc_win *ext_win,
1646 struct rk_lcdc_win *win)
1648 struct rk_screen *screen = dev_drv->cur_screen;
1649 struct rk_screen *ext_screen = ext_dev_drv->cur_screen;
1650 int hdmi_xsize = ext_screen->xsize;
1651 int hdmi_ysize = ext_screen->ysize;
1652 int pixel_width, vir_width_bit, y_stride;
1653 bool is_yuv = false;
1654 int rotate_mode = 0;
1656 if (unlikely(!dev_drv) || unlikely(!ext_dev_drv) ||
1657 unlikely(!ext_win) || unlikely(!win))
1660 rotate_mode = ext_dev_drv->rotate_mode;
1662 if (ext_win->state == 0) {
1663 dev_info(ext_dev_drv->dev, "extend lcdc win is closed\n");
1667 ext_win->area[0].state = win->area[0].state;
1668 ext_win->area_num = win->area_num;
1669 ext_win->format = win->format;
1670 ext_win->fmt_10 = win->fmt_10;
1671 ext_win->z_order = win->z_order;
1672 ext_win->alpha_en = win->alpha_en;
1673 ext_win->alpha_mode = win->alpha_mode;
1674 ext_win->g_alpha_val = win->g_alpha_val;
1676 switch (ext_win->format) {
1690 if (rotate_mode == ROTATE_90 || rotate_mode == ROTATE_270) {
1691 ext_win->area[0].xact = win->area[0].yact;
1692 ext_win->area[0].yact = win->area[0].xact;
1693 ext_win->area[0].xvir = win->area[0].yact;
1694 ext_win->area[0].yvir = win->area[0].xact;
1696 pixel_width = rk_fb_pixel_width(ext_win->format);
1697 vir_width_bit = pixel_width * ext_win->area[0].xvir;
1698 y_stride = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1699 ext_win->area[0].y_vir_stride = y_stride >> 2;
1701 ext_win->area[0].uv_vir_stride = ext_win->area[0].y_vir_stride;
1703 ext_win->area[0].uv_vir_stride = 0;
1705 ext_win->area[0].xact = win->area[0].xact;
1706 ext_win->area[0].yact = win->area[0].yact;
1707 if (win->area[0].xvir == 0)
1708 ext_win->area[0].xvir = win->area[0].xact;
1710 ext_win->area[0].xvir = win->area[0].xvir;
1711 if (win->area[0].yvir == 0)
1712 ext_win->area[0].yvir = win->area[0].yact;
1714 ext_win->area[0].yvir = win->area[0].yvir;
1715 ext_win->area[0].y_vir_stride = win->area[0].y_vir_stride;
1717 ext_win->area[0].uv_vir_stride = win->area[0].uv_vir_stride;
1719 ext_win->area[0].uv_vir_stride = 0;
1722 if (win->area[0].xpos != 0 || win->area[0].ypos != 0) {
1723 if (rotate_mode == ROTATE_270) {
1724 int xbom_pos = 0, ybom_pos = 0;
1725 int xtop_pos = 0, ytop_pos = 0;
1727 ext_win->area[0].xsize =
1728 hdmi_xsize * win->area[0].ysize / screen->mode.yres;
1729 ext_win->area[0].ysize =
1730 hdmi_ysize * win->area[0].xsize / screen->mode.xres;
1732 hdmi_xsize * win->area[0].ypos / screen->mode.yres;
1733 ybom_pos = hdmi_ysize * win->area[0].xpos / screen->mode.xres;
1734 xtop_pos = hdmi_xsize - ext_win->area[0].xsize - xbom_pos;
1735 ytop_pos = hdmi_ysize - ext_win->area[0].ysize - ybom_pos;
1736 ext_win->area[0].xpos =
1737 ((ext_screen->mode.xres - hdmi_xsize) >> 1) + xtop_pos;
1738 ext_win->area[0].ypos =
1739 ((ext_screen->mode.yres - hdmi_ysize) >> 1) + ytop_pos;
1740 } else if (rotate_mode == ROTATE_90) {
1741 ext_win->area[0].xsize =
1742 hdmi_xsize * win->area[0].ysize / screen->mode.yres;
1743 ext_win->area[0].ysize =
1744 hdmi_ysize * win->area[0].xsize / screen->mode.xres;
1745 ext_win->area[0].xpos =
1746 ((ext_screen->mode.xres - hdmi_xsize) >> 1) +
1747 hdmi_xsize * win->area[0].ypos / screen->mode.yres;
1748 ext_win->area[0].ypos =
1749 ((ext_screen->mode.yres - hdmi_ysize) >> 1) +
1750 hdmi_ysize * win->area[0].xpos / screen->mode.xres;
1752 ext_win->area[0].xsize =
1753 hdmi_xsize * win->area[0].xsize / screen->mode.xres;
1754 ext_win->area[0].ysize =
1755 hdmi_ysize * win->area[0].ysize / screen->mode.yres;
1756 ext_win->area[0].xpos =
1757 ((ext_screen->mode.xres - hdmi_xsize) >> 1) +
1758 hdmi_xsize * win->area[0].xpos / screen->mode.xres;
1759 ext_win->area[0].ypos =
1760 ((ext_screen->mode.yres - hdmi_ysize) >> 1) +
1761 hdmi_ysize * win->area[0].ypos / screen->mode.yres;
1764 ext_win->area[0].xsize = hdmi_xsize;
1765 ext_win->area[0].ysize = hdmi_ysize;
1766 ext_win->area[0].xpos =
1767 (ext_screen->mode.xres - hdmi_xsize) >> 1;
1768 ext_win->area[0].ypos =
1769 (ext_screen->mode.yres - hdmi_ysize) >> 1;
1775 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1776 struct rk_lcdc_win *win,
1777 struct rk_fb_reg_win_data *reg_win_data)
1780 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1781 struct rk_screen *cur_screen;
1782 struct rk_screen primary_screen;
1784 if (unlikely(!inf) || unlikely(!dev_drv) ||
1785 unlikely(!win) || unlikely(!reg_win_data))
1788 cur_screen = dev_drv->cur_screen;
1789 rk_fb_get_prmry_screen(&primary_screen);
1791 win->area_num = reg_win_data->area_num;
1792 win->format = reg_win_data->data_format;
1793 win->id = reg_win_data->win_id;
1794 win->z_order = reg_win_data->z_order;
1796 if (reg_win_data->reg_area_data[0].smem_start > 0) {
1798 win->area_num = reg_win_data->area_num;
1799 win->format = reg_win_data->data_format;
1800 win->id = reg_win_data->win_id;
1801 win->z_order = reg_win_data->z_order;
1802 win->area[0].uv_vir_stride =
1803 reg_win_data->reg_area_data[0].uv_vir_stride;
1804 win->area[0].cbr_start =
1805 reg_win_data->reg_area_data[0].cbr_start;
1806 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1807 win->alpha_en = reg_win_data->alpha_en;
1808 win->alpha_mode = reg_win_data->alpha_mode;
1809 win->g_alpha_val = reg_win_data->g_alpha_val;
1810 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1811 if (reg_win_data->reg_area_data[i].smem_start > 0) {
1812 if (inf->disp_policy != DISPLAY_POLICY_BOX)
1813 win->area[i].ion_hdl =
1814 reg_win_data->reg_area_data[i].ion_handle;
1815 win->area[i].smem_start =
1816 reg_win_data->reg_area_data[i].smem_start;
1817 if (inf->disp_mode == DUAL ||
1818 inf->disp_policy == DISPLAY_POLICY_BOX) {
1820 reg_win_data->reg_area_data[i].xpos;
1822 reg_win_data->reg_area_data[i].ypos;
1823 win->area[i].xsize =
1824 reg_win_data->reg_area_data[i].xsize;
1825 win->area[i].ysize =
1826 reg_win_data->reg_area_data[i].ysize;
1829 reg_win_data->reg_area_data[i].xpos *
1830 cur_screen->mode.xres /
1831 primary_screen.mode.xres;
1833 reg_win_data->reg_area_data[i].ypos *
1834 cur_screen->mode.yres /
1835 primary_screen.mode.yres;
1836 win->area[i].xsize =
1837 reg_win_data->reg_area_data[i].xsize *
1838 cur_screen->mode.xres /
1839 primary_screen.mode.xres;
1840 win->area[i].ysize =
1841 reg_win_data->reg_area_data[i].ysize *
1842 cur_screen->mode.yres /
1843 primary_screen.mode.yres;
1845 /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1846 if (inf->disp_mode == ONE_DUAL && hdmi_switch_complete) {
1847 if (cur_screen->xsize > 0 &&
1848 cur_screen->xsize <= cur_screen->mode.xres) {
1850 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1851 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1852 win->area[i].xsize =
1853 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1855 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1857 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1858 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1859 win->area[i].ysize =
1860 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1865 reg_win_data->reg_area_data[i].xact;
1867 reg_win_data->reg_area_data[i].yact;
1869 reg_win_data->reg_area_data[i].xvir;
1871 reg_win_data->reg_area_data[i].yvir;
1872 win->area[i].y_offset =
1873 reg_win_data->reg_area_data[i].y_offset;
1874 win->area[i].y_vir_stride =
1875 reg_win_data->reg_area_data[i].y_vir_stride;
1876 win->area[i].state = 1;
1878 win->area[i].state = 0;
1889 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1893 struct rk_fb_reg_win_data *win_data = NULL;
1894 for (i = 0; i < regs->win_num; i++) {
1895 if (regs->reg_win_data[i].win_id == win_id) {
1896 win_data = &(regs->reg_win_data[i]);
1904 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1905 struct rk_fb_reg_data *regs)
1908 struct rk_lcdc_win *win;
1909 ktime_t timestamp = dev_drv->vsync_info.timestamp;
1910 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1911 struct rk_lcdc_driver *ext_dev_drv;
1912 struct rk_lcdc_win *ext_win;
1913 struct rk_fb_reg_win_data *win_data;
1914 bool wait_for_vsync;
1916 unsigned int dsp_addr[4];
1919 /* acq_fence wait */
1920 for (i = 0; i < regs->win_num; i++) {
1921 win_data = ®s->reg_win_data[i];
1922 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1923 if (win_data->reg_area_data[j].acq_fence) {
1924 /* printk("acq_fence wait!!!!!\n"); */
1925 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1930 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1931 win = dev_drv->win[i];
1932 win_data = rk_fb_get_win_data(regs, i);
1934 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
1935 (win_data->data_format == YUV420 ||
1936 win_data->data_format == YUV420_A))
1938 rk_fb_update_win(dev_drv, win, win_data);
1940 dev_drv->ops->set_par(dev_drv, i);
1941 dev_drv->ops->pan_display(dev_drv, i);
1942 #if defined(CONFIG_ROCKCHIP_IOMMU)
1943 if (dev_drv->iommu_enabled) {
1944 g_last_addr[i] = win_data->reg_area_data[0].smem_start +
1945 win_data->reg_area_data[0].y_offset;
1953 dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1954 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX)
1955 dev_drv->ops->cfg_done(dev_drv);
1956 if ((rk_fb->disp_mode == DUAL)
1957 && (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)
1958 && hdmi_switch_complete) {
1959 ext_dev_drv = rk_get_extend_lcdc_drv();
1961 printk(KERN_ERR "hdmi lcdc driver not found!\n");
1966 * For RK3288: win0 and win1 have only one area and support scale
1967 * but win2 and win3 don't support scale
1968 * so hdmi only use win0 or win1
1970 for (i = 0; i < 2; i++) {
1971 win = dev_drv->win[i];
1972 ext_win = ext_dev_drv->win[i];
1973 ext_win->state = win->state;
1974 ext_win->id = win->id;
1975 if (!ext_win->state)
1977 rk_fb_update_ext_win(ext_dev_drv, dev_drv, ext_win, win);
1978 rk_fb_set_ext_win_buffer(ext_win, win,
1979 ext_dev_drv->rotate_mode,
1980 ext_dev_drv->iommu_enabled);
1982 if (ext_dev_drv->rotate_mode > X_Y_MIRROR)
1983 rk_fb_win_rotate(ext_win, win,
1984 ext_dev_drv->rotate_mode,
1985 ext_dev_drv->iommu_enabled);
1987 ext_dev_drv->ops->set_par(ext_dev_drv, i);
1988 ext_dev_drv->ops->pan_display(ext_dev_drv, i);
1991 ext_dev_drv->ops->cfg_done(ext_dev_drv);
1994 dev_drv->ops->cfg_done(dev_drv);
1997 timestamp = dev_drv->vsync_info.timestamp;
1998 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1999 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
2000 msecs_to_jiffies(25));
2001 if ((rk_fb->disp_mode == DUAL) &&
2002 (hdmi_get_hotplug() == HDMI_HPD_ACTIVED) &&
2003 hdmi_switch_complete) {
2005 * If dual output, we need make sure the extend display
2006 * cfg take effect before release fence.
2008 ext_dev_drv = rk_get_extend_lcdc_drv();
2009 timeout = wait_event_interruptible_timeout(ext_dev_drv->vsync_info.wait,
2010 ktime_compare(ext_dev_drv->vsync_info.timestamp, timestamp) > 0,
2011 msecs_to_jiffies(25));
2014 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2015 wait_for_vsync = false;
2016 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2017 if (dev_drv->win[i]->state == 1) {
2018 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
2019 (dev_drv->win[i]->format == YUV420 ||
2020 dev_drv->win[i]->format == YUV420_A ||
2021 !strcmp(dev_drv->win[i]->name, "hwc"))) {
2025 dev_drv->win[i]->area[0].smem_start +
2026 dev_drv->win[i]->area[0].y_offset;
2027 u32 reg_start = dsp_addr[i];
2029 if ((rk_fb->disp_policy ==
2030 DISPLAY_POLICY_BOX) &&
2031 (new_start == 0x0 ||
2032 dev_drv->suspend_flag))
2034 if (unlikely(new_start != reg_start)) {
2035 wait_for_vsync = true;
2036 dev_info(dev_drv->dev,
2037 "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
2038 i, new_start, reg_start, 101 - count);
2044 } while (wait_for_vsync && count--);
2046 sw_sync_timeline_inc(dev_drv->timeline, 1);
2049 #if defined(CONFIG_ROCKCHIP_IOMMU)
2050 if (dev_drv->iommu_enabled) {
2052 g_last_timeout = timeout;
2055 for (i = 0; i < g_last_win_num; i++)
2056 rk_fb_free_dma_buf(dev_drv, &g_reg_win_data[i]);
2058 #if defined(CONFIG_ROCKCHIP_IOMMU)
2059 if (dev_drv->iommu_enabled)
2060 freed_addr[freed_index] = 0xfefefefe;
2063 for (i = 0; i < regs->win_num; i++) {
2064 memcpy(&g_reg_win_data[i], &(regs->reg_win_data[i]),
2065 sizeof(struct rk_fb_reg_win_data));
2067 g_last_win_num = regs->win_num;
2071 static void rk_fb_update_regs_handler(struct kthread_work *work)
2073 struct rk_lcdc_driver *dev_drv =
2074 container_of(work, struct rk_lcdc_driver, update_regs_work);
2075 struct rk_fb_reg_data *data, *next;
2076 /* struct list_head saved_list; */
2078 mutex_lock(&dev_drv->update_regs_list_lock);
2079 saved_list = dev_drv->update_regs_list;
2080 list_replace_init(&dev_drv->update_regs_list, &saved_list);
2081 mutex_unlock(&dev_drv->update_regs_list_lock);
2083 list_for_each_entry_safe(data, next, &saved_list, list) {
2084 rk_fb_update_reg(dev_drv, data);
2085 list_del(&data->list);
2089 if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
2090 wake_up(&dev_drv->update_regs_wait);
2093 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
2094 struct rk_screen *screen)
2096 if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
2097 (area_par->xact <= 0) || (area_par->yact <= 0) ||
2098 (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
2099 pr_err("check config var fail 0:\n"
2100 "x_offset=%d,xact=%d,xvir=%d\n",
2101 area_par->x_offset, area_par->xact, area_par->xvir);
2105 if ((area_par->xpos + area_par->xsize > screen->mode.xres) ||
2106 (area_par->ypos + area_par->ysize > screen->mode.yres) ||
2107 (area_par->xsize <= 0) || (area_par->ysize <= 0)) {
2108 pr_err("check config var fail 1:\n"
2109 "xpos=%d,xsize=%d,xres=%d\n"
2110 "ypos=%d,ysize=%d,yres=%d\n",
2111 area_par->xpos, area_par->xsize, screen->mode.xres,
2112 area_par->ypos, area_par->ysize, screen->mode.yres);
2118 static int rk_fb_set_win_buffer(struct fb_info *info,
2119 struct rk_fb_win_par *win_par,
2120 struct rk_fb_reg_win_data *reg_win_data)
2122 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2123 struct fb_fix_screeninfo *fix = &info->fix;
2124 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2125 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2126 struct rk_screen *screen = dev_drv->cur_screen;
2127 struct rk_screen primary_screen;
2128 struct fb_info *fbi = rk_fb->fb[0];
2129 int i, ion_fd, acq_fence_fd;
2131 u32 xoffset, yoffset;
2133 struct ion_handle *hdl;
2139 u32 stride, uv_stride;
2142 u16 uv_x_off, uv_y_off, uv_y_act;
2144 u8 ppixel_a = 0, global_a = 0;
2145 ion_phys_addr_t phy_addr;
2148 reg_win_data->reg_area_data[0].smem_start = -1;
2149 reg_win_data->area_num = 0;
2150 fbi = rk_fb->fb[reg_win_data->win_id];
2151 if (win_par->area_par[0].phy_addr == 0) {
2152 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2153 ion_fd = win_par->area_par[i].ion_fd;
2156 ion_import_dma_buf(rk_fb->ion_client,
2160 ("%s: Could not import handle: %d\n",
2161 __func__, (int)hdl);
2162 /*return -EINVAL; */
2166 ion_map_kernel(rk_fb->ion_client, hdl);
2167 reg_win_data->area_num++;
2168 reg_win_data->reg_area_data[i].ion_handle = hdl;
2169 #ifndef CONFIG_ROCKCHIP_IOMMU
2170 ret = ion_phys(rk_fb->ion_client, hdl, &phy_addr,
2173 if (dev_drv->iommu_enabled)
2174 ret = ion_map_iommu(dev_drv->dev,
2177 (unsigned long *)&phy_addr,
2178 (unsigned long *)&len);
2180 ret = ion_phys(rk_fb->ion_client, hdl,
2184 dev_err(fbi->dev, "ion map to get phy addr failed\n");
2185 ion_free(rk_fb->ion_client, hdl);
2188 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2189 reg_win_data->area_buf_num++;
2190 reg_win_data->reg_area_data[i].index_buf = 1;
2194 reg_win_data->reg_area_data[0].smem_start =
2195 win_par->area_par[0].phy_addr;
2196 reg_win_data->area_num = 1;
2197 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2200 if (reg_win_data->area_num == 0)
2203 for (i = 0; i < reg_win_data->area_num; i++) {
2204 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2205 index_buf = reg_win_data->reg_area_data[i].index_buf;
2206 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2207 reg_win_data->reg_area_data[i].acq_fence =
2208 sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2211 fb_data_fmt = rk_fb_data_fmt(win_par->data_format, 0);
2212 reg_win_data->data_format = fb_data_fmt;
2213 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2215 ppixel_a = ((fb_data_fmt == ARGB888) ||
2216 (fb_data_fmt == ABGR888)) ? 1 : 0;
2217 global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2218 reg_win_data->alpha_en = ppixel_a | global_a;
2219 reg_win_data->g_alpha_val = win_par->g_alpha_val;
2220 reg_win_data->alpha_mode = win_par->alpha_mode;
2221 if (reg_win_data->reg_area_data[0].smem_start > 0) {
2222 reg_win_data->z_order = win_par->z_order;
2223 reg_win_data->win_id = win_par->win_id;
2225 reg_win_data->z_order = -1;
2226 reg_win_data->win_id = -1;
2229 rk_fb_get_prmry_screen(&primary_screen);
2230 for (i = 0; i < reg_win_data->area_num; i++) {
2231 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX)
2232 rk_fb_check_config_var(&win_par->area_par[i], screen);
2234 rk_fb_check_config_var(&win_par->area_par[i], &primary_screen);
2235 /* visiable pos in panel */
2236 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2237 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2239 /* realy size in panel */
2240 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2241 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2243 /* realy size in panel */
2244 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2245 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2247 xoffset = win_par->area_par[i].x_offset; /* buf offset */
2248 yoffset = win_par->area_par[i].y_offset;
2249 xvir = win_par->area_par[i].xvir;
2250 reg_win_data->reg_area_data[i].xvir = xvir;
2251 yvir = win_par->area_par[i].yvir;
2252 reg_win_data->reg_area_data[i].yvir = yvir;
2254 vir_width_bit = pixel_width * xvir;
2255 /* pixel_width = byte_num*8 */
2256 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2257 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2259 stride = stride_32bit_1; /* default rgb */
2260 fix->line_length = stride;
2261 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2263 /* x y mirror ,jump line
2264 * reg_win_data->reg_area_data[i].y_offset =
2265 * yoffset*stride+xoffset*pixel_width/8;
2267 if (screen->y_mirror == 1) {
2268 if (screen->interlace == 1) {
2269 reg_win_data->reg_area_data[i].y_offset =
2270 yoffset * stride * 2 +
2271 ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2272 xoffset * pixel_width / 8;
2274 reg_win_data->reg_area_data[i].y_offset =
2276 (reg_win_data->reg_area_data[i].yact - 1) * stride +
2277 xoffset * pixel_width / 8;
2280 if (screen->interlace == 1) {
2281 reg_win_data->reg_area_data[i].y_offset =
2282 yoffset * stride * 2 +
2283 xoffset * pixel_width / 8;
2285 reg_win_data->reg_area_data[i].y_offset =
2287 xoffset * pixel_width / 8;
2291 switch (fb_data_fmt) {
2295 stride = stride_32bit_1;
2296 uv_stride = stride_32bit_1 >> 1;
2297 uv_x_off = xoffset >> 1;
2299 fix->line_length = stride;
2300 uv_y_act = win_par->area_par[0].yact >> 1;
2302 case YUV420: /* 420sp */
2305 stride = stride_32bit_1;
2306 uv_stride = stride_32bit_1;
2308 uv_y_off = yoffset >> 1;
2309 fix->line_length = stride;
2310 uv_y_act = win_par->area_par[0].yact >> 1;
2315 stride = stride_32bit_1;
2316 uv_stride = stride_32bit_2;
2317 uv_x_off = xoffset * 2;
2319 fix->line_length = stride << 2;
2320 uv_y_act = win_par->area_par[0].yact;
2325 if (is_pic_yuv == 1) {
2326 reg_win_data->reg_area_data[0].cbr_start =
2327 reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2328 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2329 if (screen->y_mirror == 1) {
2330 if (screen->interlace == 1) {
2331 reg_win_data->reg_area_data[0].c_offset =
2332 uv_y_off * uv_stride * 2 +
2333 ((uv_y_act - 1) * 2 + 1) * uv_stride +
2334 uv_x_off * pixel_width / 8;
2336 reg_win_data->reg_area_data[0].c_offset =
2337 uv_y_off * uv_stride +
2338 (uv_y_act - 1) * uv_stride +
2339 uv_x_off * pixel_width / 8;
2342 if (screen->interlace == 1) {
2343 reg_win_data->reg_area_data[0].c_offset =
2344 uv_y_off * uv_stride * 2 +
2345 uv_x_off * pixel_width / 8;
2347 reg_win_data->reg_area_data[0].c_offset =
2348 uv_y_off * uv_stride +
2349 uv_x_off * pixel_width / 8;
2354 /* record buffer information for rk_fb_disp_scale to prevent fence timeout
2355 * because rk_fb_disp_scale will call function info->fbops->fb_set_par(info);
2357 info->var.yoffset = yoffset;
2358 info->var.xoffset = xoffset;
2362 static int rk_fb_set_win_config(struct fb_info *info,
2363 struct rk_fb_win_cfg_data *win_data)
2365 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2366 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2367 struct rk_fb_reg_data *regs;
2369 struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2370 struct sync_fence *retire_fence;
2371 struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2372 struct sync_pt *retire_sync_pt;
2373 char fence_name[20];
2375 int ret = 0, i, j = 0;
2376 int list_is_empty = 0;
2378 regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2380 printk(KERN_INFO "could not allocate rk_fb_reg_data\n");
2386 regs->post_cfg.xpos = win_data->post_cfg.xpos;
2387 regs->post_cfg.ypos = win_data->post_cfg.ypos;
2388 regs->post_cfg.xsize = win_data->post_cfg.xsize;
2389 regs->post_cfg.ysize = win_data->post_cfg.xsize;
2392 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2393 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2394 if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2395 ®s->reg_win_data[j]))
2397 if (regs->reg_win_data[j].area_num > 0) {
2400 regs->reg_win_data[j].area_buf_num;
2404 printk(KERN_INFO "error:win_id bigger than lcdc_win_num\n");
2405 printk(KERN_INFO "i=%d,win_id=%d\n", i,
2406 win_data->win_par[i].win_id);
2410 mutex_lock(&dev_drv->output_lock);
2411 if (!(dev_drv->suspend_flag == 0)) {
2412 rk_fb_update_reg(dev_drv, regs);
2414 printk(KERN_INFO "suspend_flag = 1\n");
2418 dev_drv->timeline_max++;
2420 for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2421 if (i < regs->buf_num) {
2422 sprintf(fence_name, "fence%d", i);
2423 win_data->rel_fence_fd[i] = get_unused_fd();
2424 if (win_data->rel_fence_fd[i] < 0) {
2425 printk(KERN_INFO "rel_fence_fd=%d\n",
2426 win_data->rel_fence_fd[i]);
2430 release_sync_pt[i] =
2431 sw_sync_pt_create(dev_drv->timeline,
2432 dev_drv->timeline_max);
2434 sync_fence_create(fence_name, release_sync_pt[i]);
2435 sync_fence_install(release_fence[i],
2436 win_data->rel_fence_fd[i]);
2438 win_data->rel_fence_fd[i] = -1;
2442 win_data->ret_fence_fd = get_unused_fd();
2443 if (win_data->ret_fence_fd < 0) {
2444 printk("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2449 sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2450 retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2451 sync_fence_install(retire_fence, win_data->ret_fence_fd);
2453 for (i = 0; i < RK_MAX_BUF_NUM; i++)
2454 win_data->rel_fence_fd[i] = -1;
2456 win_data->ret_fence_fd = -1;
2458 if (dev_drv->wait_fs == 0) {
2459 mutex_lock(&dev_drv->update_regs_list_lock);
2460 list_add_tail(®s->list, &dev_drv->update_regs_list);
2461 mutex_unlock(&dev_drv->update_regs_list_lock);
2462 queue_kthread_work(&dev_drv->update_regs_worker,
2463 &dev_drv->update_regs_work);
2465 mutex_lock(&dev_drv->update_regs_list_lock);
2466 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2467 list_empty(&saved_list);
2468 mutex_unlock(&dev_drv->update_regs_list_lock);
2469 if (!list_is_empty) {
2470 ret = wait_event_timeout(dev_drv->update_regs_wait,
2471 list_empty(&dev_drv->update_regs_list) && list_empty(&saved_list),
2472 msecs_to_jiffies(60));
2474 rk_fb_update_reg(dev_drv, regs);
2476 printk("%s: wait update_regs_wait timeout\n", __func__);
2477 } else if (ret == 0) {
2478 rk_fb_update_reg(dev_drv, regs);
2484 mutex_unlock(&dev_drv->output_lock);
2489 static int cfgdone_distlist[10] = { 0 };
2491 static int cfgdone_index;
2492 static int cfgdone_lasttime;
2494 int rk_get_real_fps(int before)
2496 struct timespec now;
2502 int index = cfgdone_index;
2511 getnstimeofday(&now);
2512 dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2518 for (i = 0; i < 10; i++) {
2521 total += cfgdone_distlist[index];
2523 dist_first = cfgdone_distlist[index];
2524 if (total < (before * 1000)) {
2526 printk("[%d:%d] ", dist_count, cfgdone_distlist[index]);
2528 dist_total += cfgdone_distlist[index];
2536 printk("total %d, count %d, curr %d, ", dist_total, dist_count, dist_curr);
2538 dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2539 dist_total += dist_curr;
2543 fps = (1000000 * dist_count) / dist_total;
2548 printk("curr2 %d, fps=%d\n", dist_curr, fps);
2552 EXPORT_SYMBOL(rk_get_real_fps);
2555 #ifdef CONFIG_ROCKCHIP_IOMMU
2557 static struct ion_handle *ion_hanle[ION_MAX];
2558 static struct ion_handle *ion_hwc[1];
2560 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2563 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2564 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2565 struct rk_fb_par *extend_fb_par = NULL;
2566 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2567 struct fb_fix_screeninfo *fix = &info->fix;
2568 int fb_id = 0, extend_win_id = 0;
2569 struct fb_info *extend_info = NULL;
2570 struct rk_lcdc_driver *extend_dev_drv = NULL;
2571 struct rk_lcdc_win *extend_win = NULL;
2572 struct rk_lcdc_win *win;
2573 int enable; /* enable fb:1 enable;0 disable */
2574 int ovl; /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2575 int num_buf; /* buffer_number */
2577 struct rk_fb_win_cfg_data win_data;
2578 unsigned int dsp_addr[4];
2581 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2583 void __user *argp = (void __user *)arg;
2584 win = dev_drv->win[win_id];
2585 if (rk_fb->disp_mode == DUAL) {
2586 fb_id = get_extend_fb_id(info);
2587 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
2588 extend_fb_par = (struct rk_fb_par *)extend_info->par;
2589 extend_dev_drv = extend_fb_par->lcdc_drv;
2590 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
2591 extend_info->fix.id);
2592 extend_win = extend_dev_drv->win[extend_win_id];
2596 case RK_FBIOSET_HWC_ADDR:
2599 if (copy_from_user(hwc_phy, argp, 4))
2601 #ifdef CONFIG_ROCKCHIP_IOMMU
2602 if (!dev_drv->iommu_enabled) {
2604 fix->smem_start = hwc_phy[0];
2605 #ifdef CONFIG_ROCKCHIP_IOMMU
2608 struct ion_handle *hdl;
2609 ion_phys_addr_t phy_addr;
2612 usr_fd = hwc_phy[0];
2614 fix->smem_start = 0;
2615 fix->mmio_start = 0;
2619 if (ion_hwc[0] != 0) {
2620 ion_free(rk_fb->ion_client, ion_hwc[0]);
2624 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2626 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2631 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2632 (unsigned long *)&phy_addr,
2633 (unsigned long *)&len);
2635 dev_err(info->dev, "ion map to get hwc phy addr failed");
2636 ion_free(rk_fb->ion_client, hdl);
2639 fix->smem_start = phy_addr;
2645 case RK_FBIOSET_YUV_ADDR:
2649 if (copy_from_user(yuv_phy, argp, 8))
2651 #ifdef CONFIG_ROCKCHIP_IOMMU
2652 if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2654 fix->smem_start = yuv_phy[0];
2655 fix->mmio_start = yuv_phy[1];
2656 #ifdef CONFIG_ROCKCHIP_IOMMU
2658 int usr_fd, offset, tmp;
2659 struct ion_handle *hdl;
2660 ion_phys_addr_t phy_addr;
2663 usr_fd = yuv_phy[0];
2664 offset = yuv_phy[1] - yuv_phy[0];
2667 fix->smem_start = 0;
2668 fix->mmio_start = 0;
2672 if (ion_hanle[ION_MAX - 1] != 0) {
2673 /*ion_unmap_kernel(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2674 /*ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client, ion_hanle[ION_MAX - 1]);*/
2675 ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2676 ion_hanle[ION_MAX - 1] = 0;
2679 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2681 dev_err(info->dev, "failed to get ion handle:%ld\n",
2686 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2687 (unsigned long *)&phy_addr,
2688 (unsigned long *)&len);
2690 dev_err(info->dev, "ion map to get phy addr failed");
2691 ion_free(rk_fb->ion_client, hdl);
2694 fix->smem_start = phy_addr;
2695 fix->mmio_start = phy_addr + offset;
2696 fix->smem_len = len;
2697 /*info->screen_base = ion_map_kernel(rk_fb->ion_client, hdl);*/
2700 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2701 ion_hanle[tmp] = ion_hanle[tmp - 1];
2707 case RK_FBIOSET_ENABLE:
2708 if (copy_from_user(&enable, argp, sizeof(enable)))
2714 dev_drv->ops->open(dev_drv, win_id, enable);
2716 case RK_FBIOGET_ENABLE:
2717 enable = dev_drv->ops->get_win_state(dev_drv, win_id);
2718 if (copy_to_user(argp, &enable, sizeof(enable)))
2721 case RK_FBIOSET_OVERLAY_STA:
2722 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2724 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2726 case RK_FBIOGET_OVERLAY_STA:
2727 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2728 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2731 case RK_FBIOPUT_NUM_BUFFERS:
2732 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2734 dev_drv->num_buf = num_buf;
2736 case RK_FBIOSET_VSYNC_ENABLE:
2737 if (copy_from_user(&enable, argp, sizeof(enable)))
2739 dev_drv->vsync_info.active = enable;
2742 case RK_FBIOGET_DSP_ADDR:
2743 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2744 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2747 case RK_FBIOGET_LIST_STA:
2748 list_stat = rk_fb_get_list_stat(dev_drv);
2749 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2753 case RK_FBIOGET_IOMMU_STA:
2754 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2755 sizeof(dev_drv->iommu_enabled)))
2758 #if defined(CONFIG_ION_ROCKCHIP)
2759 case RK_FBIOSET_DMABUF_FD:
2762 struct ion_handle *hdl;
2763 ion_phys_addr_t phy_addr;
2765 if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2767 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2768 ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2769 fix->smem_start = phy_addr;
2772 case RK_FBIOGET_DMABUF_FD:
2776 if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2778 "get dma_buf fd failed,ion handle is err\n");
2779 return PTR_ERR(fb_par->ion_hdl);
2781 fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2785 "ion_share_dma_buf_fd failed\n");
2788 if (copy_to_user(argp, &fd, sizeof(fd)))
2793 case RK_FBIOSET_CLEAR_FB:
2794 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2796 case RK_FBIOSET_CONFIG_DONE:
2799 struct timespec now;
2801 getnstimeofday(&now);
2802 curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2803 cfgdone_distlist[cfgdone_index++] =
2804 curr - cfgdone_lasttime;
2806 printk("%d ", curr - cfgdone_lasttime);
2808 cfgdone_lasttime = curr;
2809 if (cfgdone_index >= 10)
2812 if (copy_from_user(&win_data,
2813 (struct rk_fb_win_cfg_data __user *)argp,
2814 sizeof(win_data))) {
2819 dev_drv->wait_fs = win_data.wait_fs;
2820 rk_fb_set_win_config(info, &win_data);
2822 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2823 &win_data, sizeof(win_data))) {
2827 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2830 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2837 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2839 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2840 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2841 struct fb_fix_screeninfo *fix = &info->fix;
2843 #if defined(CONFIG_RK_HDMI)
2844 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2847 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2850 #if defined(CONFIG_RK_HDMI)
2851 if ((rk_fb->disp_mode == ONE_DUAL) &&
2852 (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2853 printk(KERN_INFO "hdmi is connect , not blank lcdc\n");
2857 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
2862 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
2864 if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
2865 (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
2866 ((16 != var->bits_per_pixel) &&
2867 (32 != var->bits_per_pixel) &&
2868 (24 != var->bits_per_pixel))) {
2869 dev_err(info->dev, "%s check var fail 1:\n"
2870 "xres_vir:%d>>yres_vir:%d\n"
2871 "xres:%d>>yres:%d\n"
2872 "bits_per_pixel:%d\n",
2876 var->xres, var->yres, var->bits_per_pixel);
2880 if (((var->xoffset + var->xres) > var->xres_virtual) ||
2881 ((var->yoffset + var->yres) > (var->yres_virtual))) {
2882 dev_err(info->dev, "%s check_var fail 2:\n"
2883 "xoffset:%d>>xres:%d>>xres_vir:%d\n"
2884 "yoffset:%d>>yres:%d>>yres_vir:%d\n",
2889 var->yoffset, var->yres, var->yres_virtual);
2896 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
2897 size_t count, loff_t *ppos)
2899 unsigned long p = *ppos;
2902 int c, cnt = 0, err = 0;
2903 unsigned long total_size;
2904 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2905 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2906 struct rk_lcdc_win *win = NULL;
2909 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2913 win = dev_drv->win[win_id];
2915 /* only read the current frame buffer */
2916 if (win->format == RGB565) {
2917 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
2918 } else if (win->format == YUV420) {
2920 (win->area[0].y_vir_stride * win->area[0].yact * 6);
2922 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
2924 if (p >= total_size)
2927 if (count >= total_size)
2930 if (count + p > total_size)
2931 count = total_size - p;
2933 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
2937 src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
2940 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
2942 fb_memcpy_fromfb(dst, src, c);
2946 if (copy_to_user(buf, buffer, c)) {
2958 return (err) ? err : cnt;
2961 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
2962 size_t count, loff_t *ppos)
2964 unsigned long p = *ppos;
2967 int c, cnt = 0, err = 0;
2968 unsigned long total_size;
2969 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2970 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2971 struct rk_lcdc_win *win = NULL;
2974 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2978 win = dev_drv->win[win_id];
2980 /* write the current frame buffer */
2981 if (win->format == RGB565)
2982 total_size = win->area[0].xact * win->area[0].yact << 1;
2984 total_size = win->area[0].xact * win->area[0].yact << 2;
2989 if (count > total_size) {
2994 if (count + p > total_size) {
2998 count = total_size - p;
3001 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3005 dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3008 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3011 if (copy_from_user(src, buf, c)) {
3016 fb_memcpy_tofb(dst, src, c);
3027 return (cnt) ? cnt : err;
3031 * function: update extend info acorrding to primary info that only used for dual display mode
3032 * @ext_info: the fb_info of extend screen
3033 * @info: the fb_info of primary screen
3034 * @update_buffer: whether to update extend info buffer, 0: no;1: yes
3036 static int rk_fb_update_ext_info(struct fb_info *ext_info,
3037 struct fb_info *info, int update_buffer)
3039 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3040 struct rk_fb_par *fb_par = NULL;
3041 struct rk_fb_par *ext_fb_par = NULL;
3042 struct rk_lcdc_driver *dev_drv = NULL;
3043 struct rk_lcdc_driver *ext_dev_drv = NULL;
3044 struct rk_lcdc_win *win = NULL;
3045 struct rk_lcdc_win *ext_win = NULL;
3046 int win_id = 0, ext_win_id = 0;
3048 if (rk_fb->disp_mode != DUAL || info == ext_info)
3050 if (unlikely(!info) || unlikely(!ext_info))
3053 fb_par = (struct rk_fb_par *)info->par;
3054 ext_fb_par = (struct rk_fb_par *)ext_info->par;
3055 dev_drv = fb_par->lcdc_drv;
3056 ext_dev_drv = ext_fb_par->lcdc_drv;
3057 if (unlikely(!dev_drv) || unlikely(!ext_dev_drv))
3060 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3061 win = dev_drv->win[win_id];
3062 ext_win_id = ext_dev_drv->ops->fb_get_win_id(ext_dev_drv,
3064 ext_win = ext_dev_drv->win[ext_win_id];
3066 rk_fb_update_ext_win(ext_dev_drv, dev_drv, ext_win, win);
3067 if (update_buffer) {
3068 rk_fb_set_ext_win_buffer(ext_win, win, ext_dev_drv->rotate_mode,
3069 ext_dev_drv->iommu_enabled);
3071 /* update extend info display address */
3072 ext_info->fix.smem_start = ext_win->area[0].smem_start;
3073 ext_info->fix.mmio_start = ext_win->area[0].cbr_start;
3075 if (ext_dev_drv->rotate_mode > X_Y_MIRROR)
3076 rk_fb_rotate(ext_info, info);
3079 /* update extend info */
3080 ext_info->var.xres = ext_win->area[0].xact;
3081 ext_info->var.yres = ext_win->area[0].yact;
3082 ext_info->var.xres_virtual = ext_win->area[0].xvir;
3083 ext_info->var.yres_virtual = ext_win->area[0].yvir;
3085 /* config same data format */
3086 ext_info->var.nonstd &= 0xffffff00;
3087 ext_info->var.nonstd |= (info->var.nonstd & 0xff);
3089 ext_info->var.nonstd &= 0xff;
3090 ext_info->var.nonstd |=
3091 (ext_win->area[0].xpos << 8) + (ext_win->area[0].ypos << 20);
3093 ext_info->var.grayscale &= 0xff;
3094 ext_info->var.grayscale |=
3095 (ext_win->area[0].xsize << 8) + (ext_win->area[0].ysize << 20);
3100 static int rk_fb_set_par(struct fb_info *info)
3102 struct fb_var_screeninfo *var = &info->var;
3103 struct fb_fix_screeninfo *fix = &info->fix;
3104 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3105 struct rk_fb_par *extend_fb_par = NULL;
3106 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3107 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
3108 int fb_id, extend_win_id = 0;
3109 struct fb_info *extend_info = NULL;
3110 struct rk_lcdc_driver *extend_dev_drv = NULL;
3111 struct rk_lcdc_win *extend_win = NULL;
3112 struct rk_lcdc_win *win = NULL;
3113 struct rk_screen *screen = dev_drv->cur_screen;
3115 u32 cblen = 0, crlen = 0;
3116 u16 xsize = 0, ysize = 0; /* winx display window height/width --->LCDC_WINx_DSP_INFO */
3117 u32 xoffset = var->xoffset; /* offset from virtual to visible */
3118 u32 yoffset = var->yoffset;
3119 u16 xpos = (var->nonstd >> 8) & 0xfff; /*visiable pos in panel */
3120 u16 ypos = (var->nonstd >> 20) & 0xfff;
3121 u32 xvir = var->xres_virtual;
3122 u32 yvir = var->yres_virtual;
3123 u8 data_format = var->nonstd & 0xff;
3127 u32 stride, uv_stride;
3130 u16 uv_x_off, uv_y_off, uv_y_act;
3133 var->pixclock = dev_drv->pixclock;
3134 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3138 win = dev_drv->win[win_id];
3140 if (rk_fb->disp_mode == DUAL) {
3141 fb_id = get_extend_fb_id(info);
3142 extend_info = rk_fb->fb[(rk_fb->num_fb >> 1) + fb_id];
3143 extend_fb_par = (struct rk_fb_par *)extend_info->par;
3144 extend_dev_drv = extend_fb_par->lcdc_drv;
3145 extend_win_id = dev_drv->ops->fb_get_win_id(extend_dev_drv,
3146 extend_info->fix.id);
3147 extend_win = extend_dev_drv->win[extend_win_id];
3150 /* if the application has specific the horizontal and vertical display size */
3151 if (var->grayscale >> 8) {
3152 xsize = (var->grayscale >> 8) & 0xfff;
3153 ysize = (var->grayscale >> 20) & 0xfff;
3154 if (xsize > screen->mode.xres)
3155 xsize = screen->mode.xres;
3156 if (ysize > screen->mode.yres)
3157 ysize = screen->mode.yres;
3158 } else { /*ohterwise full screen display */
3159 xsize = screen->mode.xres;
3160 ysize = screen->mode.yres;
3163 fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
3164 pixel_width = rk_fb_pixel_width(fb_data_fmt);
3165 vir_width_bit = pixel_width * xvir;
3166 /* pixel_width = byte_num * 8 */
3167 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3168 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3170 switch (fb_data_fmt) {
3174 stride = stride_32bit_1;
3175 uv_stride = stride_32bit_1 >> 1;
3176 uv_x_off = xoffset >> 1;
3178 fix->line_length = stride;
3179 cblen = crlen = (xvir * yvir) >> 1;
3180 uv_y_act = win->area[0].yact >> 1;
3182 case YUV420: /* 420sp */
3185 stride = stride_32bit_1;
3186 uv_stride = stride_32bit_1;
3188 uv_y_off = yoffset >> 1;
3189 fix->line_length = stride;
3190 cblen = crlen = (xvir * yvir) >> 2;
3191 uv_y_act = win->area[0].yact >> 1;
3196 stride = stride_32bit_1;
3197 uv_stride = stride_32bit_2;
3198 uv_x_off = xoffset * 2;
3200 fix->line_length = stride << 2;
3201 cblen = crlen = (xvir * yvir);
3202 uv_y_act = win->area[0].yact;
3205 stride = stride_32bit_1; /* default rgb */
3206 fix->line_length = stride;
3210 /* x y mirror ,jump line */
3211 if (screen->y_mirror == 1) {
3212 if (screen->interlace == 1) {
3213 win->area[0].y_offset = yoffset * stride * 2 +
3214 ((win->area[0].yact - 1) * 2 + 1) * stride +
3215 xoffset * pixel_width / 8;
3217 win->area[0].y_offset = yoffset * stride +
3218 (win->area[0].yact - 1) * stride +
3219 xoffset * pixel_width / 8;
3222 if (screen->interlace == 1) {
3223 win->area[0].y_offset =
3224 yoffset * stride * 2 + xoffset * pixel_width / 8;
3226 win->area[0].y_offset =
3227 yoffset * stride + xoffset * pixel_width / 8;
3230 if (is_pic_yuv == 1) {
3231 if (screen->y_mirror == 1) {
3232 if (screen->interlace == 1) {
3233 win->area[0].c_offset =
3234 uv_y_off * uv_stride * 2 +
3235 ((uv_y_act - 1) * 2 + 1) * uv_stride +
3236 uv_x_off * pixel_width / 8;
3238 win->area[0].c_offset = uv_y_off * uv_stride +
3239 (uv_y_act - 1) * uv_stride +
3240 uv_x_off * pixel_width / 8;
3243 if (screen->interlace == 1) {
3244 win->area[0].c_offset =
3245 uv_y_off * uv_stride * 2 +
3246 uv_x_off * pixel_width / 8;
3248 win->area[0].c_offset =
3249 uv_y_off * uv_stride +
3250 uv_x_off * pixel_width / 8;
3255 win->format = fb_data_fmt;
3256 win->area[0].y_vir_stride = stride >> 2;
3257 win->area[0].uv_vir_stride = uv_stride >> 2;
3258 win->area[0].xpos = xpos;
3259 win->area[0].ypos = ypos;
3260 win->area[0].xsize = xsize;
3261 win->area[0].ysize = ysize;
3262 win->area[0].xact = var->xres; /* winx active window height,is a wint of vir */
3263 win->area[0].yact = var->yres;
3264 win->area[0].xvir = var->xres_virtual; /* virtual resolution stride --->LCDC_WINx_VIR */
3265 win->area[0].yvir = var->yres_virtual;
3268 win->alpha_mode = 4; /* AB_SRC_OVER; */
3269 win->alpha_en = ((win->format == ARGB888) ||
3270 (win->format == ABGR888)) ? 1 : 0;
3271 win->g_alpha_val = 0;
3273 if (rk_fb->disp_policy == DISPLAY_POLICY_BOX &&
3274 (win->format == YUV420 || win->format == YUV420_A))
3276 if (rk_fb->disp_mode == DUAL) {
3277 if (extend_win->state && hdmi_switch_complete) {
3278 if (info != extend_info) {
3279 rk_fb_update_ext_win(extend_dev_drv, dev_drv,
3281 extend_dev_drv->ops->set_par(extend_dev_drv,
3286 dev_drv->ops->set_par(dev_drv, win_id);
3291 static inline unsigned int chan_to_field(unsigned int chan,
3292 struct fb_bitfield *bf)
3295 chan >>= 16 - bf->length;
3296 return chan << bf->offset;
3299 static int fb_setcolreg(unsigned regno,
3300 unsigned red, unsigned green, unsigned blue,
3301 unsigned transp, struct fb_info *info)
3305 switch (info->fix.visual) {
3306 case FB_VISUAL_TRUECOLOR:
3307 /* true-colour, use pseudo-palette */
3309 u32 *pal = info->pseudo_palette;
3310 val = chan_to_field(red, &info->var.red);
3311 val |= chan_to_field(green, &info->var.green);
3312 val |= chan_to_field(blue, &info->var.blue);
3317 return -1; /* unknown type */
3323 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3325 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3326 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3327 struct ion_handle *handle = fb_par->ion_hdl;
3328 struct dma_buf *dma_buf = NULL;
3330 if (IS_ERR_OR_NULL(handle)) {
3331 dev_err(info->dev, "failed to get ion handle:%ld\n",
3335 dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3336 if (IS_ERR_OR_NULL(dma_buf)) {
3337 printk("get ion share dma buf failed\n");
3341 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3343 return dma_buf_mmap(dma_buf, vma, 0);
3346 static struct fb_ops fb_ops = {
3347 .owner = THIS_MODULE,
3348 .fb_open = rk_fb_open,
3349 .fb_release = rk_fb_close,
3350 .fb_check_var = rk_fb_check_var,
3351 .fb_set_par = rk_fb_set_par,
3352 .fb_blank = rk_fb_blank,
3353 .fb_ioctl = rk_fb_ioctl,
3354 .fb_pan_display = rk_fb_pan_display,
3355 .fb_read = rk_fb_read,
3356 .fb_write = rk_fb_write,
3357 .fb_setcolreg = fb_setcolreg,
3358 .fb_fillrect = cfb_fillrect,
3359 .fb_copyarea = cfb_copyarea,
3360 .fb_imageblit = cfb_imageblit,
3363 static struct fb_var_screeninfo def_var = {
3364 #if defined(CONFIG_LOGO_LINUX_BMP)
3368 .transp = {0, 0, 0},
3369 .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3374 .transp = {0, 0, 0},
3375 .nonstd = HAL_PIXEL_FORMAT_RGB_565, /* (ypos<<20+xpos<<8+format) format */
3377 .grayscale = 0, /* (ysize<<20+xsize<<8) */
3378 .activate = FB_ACTIVATE_NOW,
3380 .vmode = FB_VMODE_NONINTERLACED,
3383 static struct fb_fix_screeninfo def_fix = {
3384 .type = FB_TYPE_PACKED_PIXELS,
3389 .accel = FB_ACCEL_NONE,
3390 .visual = FB_VISUAL_TRUECOLOR,
3394 static int rk_fb_wait_for_vsync_thread(void *data)
3396 struct rk_lcdc_driver *dev_drv = data;
3397 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3398 struct fb_info *fbi = rk_fb->fb[0];
3400 while (!kthread_should_stop()) {
3401 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3402 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3403 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3404 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3407 sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3413 static ssize_t rk_fb_vsync_show(struct device *dev,
3414 struct device_attribute *attr, char *buf)
3416 struct fb_info *fbi = dev_get_drvdata(dev);
3417 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3418 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3419 return scnprintf(buf, PAGE_SIZE, "%llu\n",
3420 ktime_to_ns(dev_drv->vsync_info.timestamp));
3423 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3426 * this two function is for other module that in the kernel which
3427 * need show image directly through fb
3428 * fb_id:we have 4 fb here,default we use fb0 for ui display
3430 struct fb_info *rk_get_fb(int fb_id)
3432 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3433 struct fb_info *fb = inf->fb[fb_id];
3436 EXPORT_SYMBOL(rk_get_fb);
3438 void rk_direct_fb_show(struct fb_info *fbi)
3441 rk_fb_pan_display(&fbi->var, fbi);
3443 EXPORT_SYMBOL(rk_direct_fb_show);
3445 int rk_fb_dpi_open(bool open)
3447 struct rk_lcdc_driver *dev_drv = NULL;
3448 dev_drv = rk_get_prmry_lcdc_drv();
3450 if (dev_drv->ops->dpi_open)
3451 dev_drv->ops->dpi_open(dev_drv, open);
3455 int rk_fb_dpi_win_sel(int win_id)
3457 struct rk_lcdc_driver *dev_drv = NULL;
3458 dev_drv = rk_get_prmry_lcdc_drv();
3460 if (dev_drv->ops->dpi_win_sel)
3461 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3465 int rk_fb_dpi_status(void)
3468 struct rk_lcdc_driver *dev_drv = NULL;
3470 dev_drv = rk_get_prmry_lcdc_drv();
3471 if (dev_drv->ops->dpi_status)
3472 ret = dev_drv->ops->dpi_status(dev_drv);
3478 * function: this function will be called by display device, enable/disable lcdc
3479 * @screen: screen timing to be set to lcdc
3480 * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3481 * @lcdc_id: the lcdc id the display device attached ,0 or 1
3483 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3485 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3486 struct fb_info *info = NULL;
3487 struct fb_info *pmy_info = NULL;
3488 struct rk_fb_par *fb_par = NULL;
3489 struct rk_fb_par *pmy_fb_par = NULL;
3490 struct rk_lcdc_driver *dev_drv = NULL;
3492 int i, win_id, load_screen = 0;
3494 if (unlikely(!rk_fb) || unlikely(!screen))
3497 hdmi_switch_complete = 0;
3498 /* get lcdc driver */
3499 sprintf(name, "lcdc%d", lcdc_id);
3500 if (rk_fb->disp_mode != DUAL)
3501 dev_drv = rk_fb->lcdc_dev_drv[0];
3503 dev_drv = rk_get_lcdc_drv(name);
3505 if (dev_drv == NULL) {
3506 printk(KERN_ERR "%s driver not found!", name);
3509 if (screen->type == SCREEN_HDMI)
3510 printk("hdmi %s lcdc%d\n", enable ? "connect to" : "remove from",
3512 else if (screen->type == SCREEN_TVOUT ||
3513 screen->type == SCREEN_TVOUT_TEST )
3514 printk("cvbs %s lcdc%d\n", enable ? "connect to" : "remove from",
3516 if (enable == 2 /*&& dev_drv->enable*/)
3519 if (rk_fb->disp_mode == ONE_DUAL) {
3520 if (dev_drv->ops->dsp_black)
3521 dev_drv->ops->dsp_black(dev_drv, 1);
3522 if (dev_drv->ops->set_screen_scaler)
3523 dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 0);
3527 /* if screen type is different, we do not disable lcdc. */
3528 if (dev_drv->cur_screen->type != screen->type)
3531 /* if used one lcdc to dual disp, no need to close win */
3532 if (rk_fb->disp_mode == ONE_DUAL) {
3533 dev_drv->cur_screen = dev_drv->screen0;
3534 dev_drv->ops->load_screen(dev_drv, 1);
3536 /* force modify dsp size */
3537 info = rk_fb->fb[dev_drv->fb_index_base];
3538 info->var.grayscale &= 0xff;
3539 info->var.grayscale |=
3540 (dev_drv->cur_screen->mode.xres << 8) +
3541 (dev_drv->cur_screen->mode.yres << 20);
3542 info->fbops->fb_set_par(info);
3543 info->fbops->fb_pan_display(&info->var, info);
3545 if (dev_drv->ops->dsp_black)
3546 dev_drv->ops->dsp_black(dev_drv, 0);
3547 } else if (rk_fb->num_lcdc > 1) {
3548 /* If there is more than one lcdc device, we disable
3549 the layer which attached to this device */
3550 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3551 if (dev_drv->win[i] && dev_drv->win[i]->state)
3552 dev_drv->ops->open(dev_drv, i, 0);
3556 hdmi_switch_complete = 0;
3559 if (dev_drv->screen1)
3560 dev_drv->cur_screen = dev_drv->screen1;
3561 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3562 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3563 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3564 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3565 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3567 if (!dev_drv->uboot_logo) {
3568 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3569 info = rk_fb->fb[dev_drv->fb_index_base + i];
3570 fb_par = (struct rk_fb_par *)info->par;
3571 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3572 if (dev_drv->win[win_id]) {
3573 if (rk_fb->disp_mode == DUAL) {
3574 pmy_info = rk_fb->fb[i];
3575 if (pmy_info != info) {
3577 (struct rk_fb_par *)pmy_info->par;
3578 fb_par->state = pmy_fb_par->state;
3581 if (fb_par->state) {
3582 if (!dev_drv->win[win_id]->state)
3583 dev_drv->ops->open(dev_drv, win_id, 1);
3585 dev_drv->ops->load_screen(dev_drv, 1);
3588 info->var.activate |= FB_ACTIVATE_FORCE;
3589 if (rk_fb->disp_mode == DUAL) {
3590 rk_fb_update_ext_info(info, pmy_info, 1);
3591 } else if (rk_fb->disp_mode == ONE_DUAL) {
3592 info->var.grayscale &= 0xff;
3593 info->var.grayscale |=
3594 (dev_drv->cur_screen->xsize << 8) +
3595 (dev_drv->cur_screen->ysize << 20);
3597 info->fbops->fb_set_par(info);
3598 info->fbops->fb_pan_display(&info->var, info);
3603 dev_drv->uboot_logo = 0;
3605 hdmi_switch_complete = 1;
3606 if (rk_fb->disp_mode == ONE_DUAL) {
3607 if (dev_drv->ops->set_screen_scaler)
3608 dev_drv->ops->set_screen_scaler(dev_drv, dev_drv->screen0, 1);
3609 if (dev_drv->ops->dsp_black)
3610 dev_drv->ops->dsp_black(dev_drv, 0);
3616 * function:this function current only called by hdmi for
3618 * scale_x: scale rate of x resolution
3619 * scale_y: scale rate of y resolution
3620 * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3622 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3624 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3625 struct fb_info *info = NULL;
3626 struct fb_info *pmy_info = NULL;
3627 struct fb_var_screeninfo *var = NULL;
3628 struct rk_lcdc_driver *dev_drv = NULL;
3629 u16 screen_x, screen_y;
3632 struct rk_screen primary_screen;
3633 rk_fb_get_prmry_screen(&primary_screen);
3634 if (primary_screen.type == SCREEN_HDMI) {
3638 sprintf(name, "lcdc%d", lcdc_id);
3640 if (inf->disp_mode == DUAL) {
3641 dev_drv = rk_get_lcdc_drv(name);
3642 if (dev_drv == NULL) {
3643 printk(KERN_ERR "%s driver not found!", name);
3647 dev_drv = inf->lcdc_dev_drv[0];
3650 if (inf->num_lcdc == 1) {
3652 } else if (inf->num_lcdc == 2) {
3653 info = inf->fb[dev_drv->lcdc_win_num];
3654 pmy_info = inf->fb[0];
3658 screen_x = dev_drv->cur_screen->mode.xres;
3659 screen_y = dev_drv->cur_screen->mode.yres;
3661 if (inf->disp_mode != DUAL && dev_drv->screen1) {
3662 dev_drv->cur_screen->xpos =
3663 (screen_x - screen_x * scale_x / 100) >> 1;
3664 dev_drv->cur_screen->ypos =
3665 (screen_y - screen_y * scale_y / 100) >> 1;
3666 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3667 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3669 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3670 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3671 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3672 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3673 if (inf->disp_mode == DUAL) {
3674 rk_fb_update_ext_info(info, pmy_info, 0);
3676 var->nonstd &= 0xff;
3677 var->nonstd |= (xpos << 8) + (ypos << 20);
3678 var->grayscale &= 0xff;
3680 (dev_drv->cur_screen->xsize << 8) +
3681 (dev_drv->cur_screen->ysize << 20);
3685 info->fbops->fb_set_par(info);
3686 /* info->fbops->fb_ioctl(info, RK_FBIOSET_CONFIG_DONE, 0); */
3687 dev_drv->ops->cfg_done(dev_drv);
3691 #if defined(CONFIG_ION_ROCKCHIP)
3692 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3693 struct rk_lcdc_win *win,
3694 unsigned long fb_mem_size)
3696 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3697 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3698 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3699 struct ion_handle *handle;
3700 ion_phys_addr_t phy_addr;
3704 if (dev_drv->iommu_enabled)
3705 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3706 ION_HEAP(ION_VMALLOC_HEAP_ID), 0);
3708 handle = ion_alloc(rk_fb->ion_client, (size_t) fb_mem_size, 0,
3709 ION_HEAP(ION_CMA_HEAP_ID), 0);
3710 if (IS_ERR(handle)) {
3711 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3716 fb_par->ion_hdl = handle;
3717 win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3718 if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3719 printk("ion_share_dma_buf() failed\n");
3720 goto err_share_dma_buf;
3722 win->area[0].ion_hdl = handle;
3723 if (dev_drv->prop == PRMRY)
3724 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3725 #ifdef CONFIG_ROCKCHIP_IOMMU
3726 if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3727 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3728 (unsigned long *)&phy_addr,
3729 (unsigned long *)&len);
3731 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3733 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3736 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3737 goto err_share_dma_buf;
3739 fbi->fix.smem_start = phy_addr;
3740 fbi->fix.smem_len = len;
3741 printk(KERN_INFO "alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3745 ion_free(rk_fb->ion_client, handle);
3750 static int rk_fb_alloc_buffer(struct fb_info *fbi, int fb_id)
3752 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3753 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3754 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3755 struct rk_lcdc_win *win = NULL;
3758 unsigned long fb_mem_size;
3759 #if !defined(CONFIG_ION_ROCKCHIP)
3760 dma_addr_t fb_mem_phys;
3764 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3768 win = dev_drv->win[win_id];
3770 if (!strcmp(fbi->fix.id, "fb0")) {
3771 fb_mem_size = get_fb_size();
3772 #if defined(CONFIG_ION_ROCKCHIP)
3773 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3776 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3777 &fb_mem_phys, GFP_KERNEL);
3779 pr_err("%s: Failed to allocate framebuffer\n",
3783 fbi->fix.smem_len = fb_mem_size;
3784 fbi->fix.smem_start = fb_mem_phys;
3785 fbi->screen_base = fb_mem_virt;
3787 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3788 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3789 fbi->fix.smem_start, fbi->screen_base,
3792 if (dev_drv->rotate_mode > X_Y_MIRROR) {
3793 fb_mem_size = get_rotate_fb_size();
3794 #if defined(CONFIG_ION_ROCKCHIP)
3795 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3799 dma_alloc_writecombine(fbi->dev,
3804 pr_err("%s: Failed to allocate framebuffer\n",
3808 fbi->fix.smem_len = fb_mem_size;
3809 fbi->fix.smem_start = fb_mem_phys;
3810 fbi->screen_base = fb_mem_virt;
3813 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3814 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3815 fbi->screen_base = rk_fb->fb[0]->screen_base;
3818 printk(KERN_INFO "fb%d:phy:%lx>>vir:%p>>len:0x%x\n", fb_id,
3819 fbi->fix.smem_start, fbi->screen_base,
3823 fbi->screen_size = fbi->fix.smem_len;
3824 fb_par->fb_phy_base = fbi->fix.smem_start;
3825 fb_par->fb_virt_base = fbi->screen_base;
3826 fb_par->fb_size = fbi->fix.smem_len;
3832 static int rk_release_fb_buffer(struct fb_info *fbi)
3834 /* buffer for fb1 and fb3 are alloc by android */
3835 if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3837 iounmap(fbi->screen_base);
3838 release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3843 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3844 struct rk_lcdc_win *def_win)
3847 int lcdc_win_num = dev_drv->lcdc_win_num;
3849 for (i = 0; i < lcdc_win_num; i++) {
3850 struct rk_lcdc_win *win = NULL;
3851 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
3853 dev_err(dev_drv->dev, "kzmalloc for win fail!");
3857 strcpy(win->name, def_win[i].name);
3858 win->id = def_win[i].id;
3859 win->support_3d = def_win[i].support_3d;
3860 dev_drv->win[i] = win;
3866 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
3867 struct rk_lcdc_win *def_win, int index)
3869 struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
3870 struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
3871 sizeof(struct rk_screen),
3875 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
3880 screen->screen_id = 0;
3881 screen->lcdc_id = dev_drv->id;
3882 screen->overscan.left = 100;
3883 screen->overscan.top = 100;
3884 screen->overscan.right = 100;
3885 screen->overscan.bottom = 100;
3887 screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3888 screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3890 dev_drv->screen0 = screen;
3891 dev_drv->cur_screen = screen;
3892 /* devie use one lcdc + rk61x scaler for dual display */
3893 if (rk_fb->disp_mode == ONE_DUAL) {
3894 struct rk_screen *screen1 =
3895 devm_kzalloc(dev_drv->dev,
3896 sizeof(struct rk_screen),
3899 dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
3903 screen1->screen_id = 1;
3904 screen1->lcdc_id = 1;
3905 dev_drv->screen1 = screen1;
3907 sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
3908 init_lcdc_win(dev_drv, def_win);
3909 init_completion(&dev_drv->frame_done);
3910 spin_lock_init(&dev_drv->cpl_lock);
3911 mutex_init(&dev_drv->fb_win_id_mutex);
3912 dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
3913 dev_drv->first_frame = 1;
3914 dev_drv->overscan.left = 100;
3915 dev_drv->overscan.top = 100;
3916 dev_drv->overscan.right = 100;
3917 dev_drv->overscan.bottom = 100;
3918 rk_disp_pwr_ctr_parse_dt(dev_drv);
3919 if (dev_drv->prop == PRMRY) {
3920 if (dev_drv->ops->set_dsp_cabc)
3921 dev_drv->ops->set_dsp_cabc(dev_drv, dev_drv->cabc_mode);
3922 rk_fb_set_prmry_screen(screen);
3923 rk_fb_get_prmry_screen(screen);
3925 dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
3926 if (dev_drv->prop != PRMRY)
3927 rk_fb_get_prmry_screen(screen);
3928 dev_drv->output_color = screen->color_mode;
3933 #ifdef CONFIG_LOGO_LINUX_BMP
3934 static struct linux_logo *bmp_logo;
3935 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
3937 bmp_logo = fb_find_logo(24);
3938 if (bmp_logo == NULL) {
3939 printk(KERN_INFO "%s error\n", __func__);
3945 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
3947 unsigned char *src = bmp_logo->data;
3948 unsigned char *dst = info->screen_base;
3950 unsigned int Needwidth = (*(src - 24) << 8) | (*(src - 23));
3951 unsigned int Needheight = (*(src - 22) << 8) | (*(src - 21));
3953 for (i = 0; i < Needheight; i++)
3954 memcpy(dst + info->var.xres * i * 4,
3955 src + bmp_logo->width * i * 4, Needwidth * 4);
3960 * check if the primary lcdc has registerd,
3961 * the primary lcdc mas register first
3963 bool is_prmry_rk_lcdc_registered(void)
3965 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3967 if (rk_fb->lcdc_dev_drv[0])
3973 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
3974 struct rk_lcdc_win *win, int id)
3976 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3977 struct fb_info *fbi;
3978 struct rk_fb_par *fb_par = NULL;
3979 int i = 0, ret = 0, index = 0;
3981 if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
3984 for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
3985 if (!rk_fb->lcdc_dev_drv[i]) {
3986 rk_fb->lcdc_dev_drv[i] = dev_drv;
3987 rk_fb->lcdc_dev_drv[i]->id = id;
3994 init_lcdc_device_driver(rk_fb, win, index);
3995 dev_drv->fb_index_base = rk_fb->num_fb;
3996 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3997 fbi = framebuffer_alloc(0, &fb_pdev->dev);
3999 dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
4002 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
4005 dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
4009 fb_par->id = rk_fb->num_fb;
4010 fb_par->lcdc_drv = dev_drv;
4011 fbi->par = (void *)fb_par;
4014 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
4015 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
4016 fbi->var.grayscale |=
4017 (fbi->var.xres << 8) + (fbi->var.yres << 20);
4018 #if defined(CONFIG_LOGO_LINUX_BMP)
4019 fbi->var.bits_per_pixel = 32;
4021 fbi->var.bits_per_pixel = 16;
4023 fbi->fix.line_length =
4024 (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
4025 fbi->var.width = dev_drv->cur_screen->width;
4026 fbi->var.height = dev_drv->cur_screen->height;
4027 fbi->var.pixclock = dev_drv->pixclock;
4028 if (dev_drv->iommu_enabled)
4029 fb_ops.fb_mmap = rk_fb_mmap;
4030 fbi->fbops = &fb_ops;
4031 fbi->flags = FBINFO_FLAG_DEFAULT;
4032 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
4033 ret = register_framebuffer(fbi);
4035 dev_err(&fb_pdev->dev,
4036 "%s fb%d register_framebuffer fail!\n",
4037 __func__, rk_fb->num_fb);
4040 rkfb_create_sysfs(fbi);
4041 rk_fb->fb[rk_fb->num_fb] = fbi;
4042 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
4047 init_waitqueue_head(&dev_drv->vsync_info.wait);
4048 init_waitqueue_head(&dev_drv->update_regs_wait);
4049 ret = device_create_file(fbi->dev, &dev_attr_vsync);
4052 "failed to create vsync file\n");
4053 dev_drv->vsync_info.thread =
4054 kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
4056 if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
4058 "failed to run vsync thread\n");
4059 dev_drv->vsync_info.thread = NULL;
4061 dev_drv->vsync_info.active = 1;
4063 mutex_init(&dev_drv->output_lock);
4065 INIT_LIST_HEAD(&dev_drv->update_regs_list);
4066 mutex_init(&dev_drv->update_regs_list_lock);
4067 init_kthread_worker(&dev_drv->update_regs_worker);
4069 dev_drv->update_regs_thread =
4070 kthread_run(kthread_worker_fn,
4071 &dev_drv->update_regs_worker, "rk-fb");
4072 if (IS_ERR(dev_drv->update_regs_thread)) {
4073 int err = PTR_ERR(dev_drv->update_regs_thread);
4074 dev_drv->update_regs_thread = NULL;
4076 printk("failed to run update_regs thread\n");
4079 init_kthread_work(&dev_drv->update_regs_work,
4080 rk_fb_update_regs_handler);
4083 sw_sync_timeline_create("fb-timeline");
4084 dev_drv->timeline_max = 1;
4088 /* show logo for primary display device */
4089 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO)
4090 if (dev_drv->prop == PRMRY) {
4091 struct fb_info *main_fbi = rk_fb->fb[0];
4092 main_fbi->fbops->fb_open(main_fbi, 1);
4094 #if defined(CONFIG_ROCKCHIP_IOMMU)
4095 if (dev_drv->iommu_enabled) {
4096 if (dev_drv->mmu_dev)
4097 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4098 rk_fb_sysmmu_fault_handler);
4102 rk_fb_alloc_buffer(main_fbi, 0); /* only alloc memory for main fb */
4103 dev_drv->uboot_logo = support_uboot_display();
4104 if (support_uboot_display()) {
4106 if (dev_drv->iommu_enabled)
4107 rk_fb_copy_from_loader(main_fbi);
4111 main_fbi->fbops->fb_set_par(main_fbi);
4112 #if defined(CONFIG_LOGO_LINUX_BMP)
4113 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
4114 fb_set_cmap(&main_fbi->cmap, main_fbi);
4115 fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
4118 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
4119 fb_set_cmap(&main_fbi->cmap, main_fbi);
4120 fb_show_logo(main_fbi, FB_ROTATE_UR);
4123 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
4125 struct fb_info *extend_fbi = rk_fb->fb[rk_fb->num_fb >> 1];
4126 int extend_fb_id = get_extend_fb_id(extend_fbi);
4128 rk_fb_alloc_buffer(extend_fbi, extend_fb_id);
4134 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
4136 struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
4137 struct fb_info *fbi;
4138 int fb_index_base = dev_drv->fb_index_base;
4139 int fb_num = dev_drv->lcdc_win_num;
4142 if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4143 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4144 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4147 for (i = 0; i < fb_num; i++)
4148 kfree(dev_drv->win[i]);
4150 for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4151 fbi = fb_inf->fb[i];
4152 unregister_framebuffer(fbi);
4153 /* rk_release_fb_buffer(fbi); */
4154 framebuffer_release(fbi);
4156 fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4162 static int rk_fb_probe(struct platform_device *pdev)
4164 struct rk_fb *rk_fb = NULL;
4165 struct device_node *np = pdev->dev.of_node;
4169 dev_err(&pdev->dev, "Missing device tree node.\n");
4173 rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4175 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4178 platform_set_drvdata(pdev, rk_fb);
4180 if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4181 rk_fb->disp_mode = mode;
4184 dev_err(&pdev->dev, "no disp-mode node found!");
4188 if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
4189 rk_fb->disp_policy = mode;
4190 pr_info("fb disp policy is %s\n", rk_fb->disp_policy ? "box":"sdk");
4193 if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4194 printk(KERN_DEBUG "uboot-logo-on:%d\n", uboot_logo_on);
4196 dev_set_name(&pdev->dev, "rockchip-fb");
4197 #if defined(CONFIG_ION_ROCKCHIP)
4198 rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4199 if (IS_ERR(rk_fb->ion_client)) {
4200 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4201 return PTR_ERR(rk_fb->ion_client);
4203 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4208 dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4212 static int rk_fb_remove(struct platform_device *pdev)
4214 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4217 platform_set_drvdata(pdev, NULL);
4221 static void rk_fb_shutdown(struct platform_device *pdev)
4223 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4226 for (i = 0; i < rk_fb->num_lcdc; i++) {
4227 if (!rk_fb->lcdc_dev_drv[i])
4232 static const struct of_device_id rkfb_dt_ids[] = {
4233 {.compatible = "rockchip,rk-fb",},
4237 static struct platform_driver rk_fb_driver = {
4238 .probe = rk_fb_probe,
4239 .remove = rk_fb_remove,
4242 .owner = THIS_MODULE,
4243 .of_match_table = of_match_ptr(rkfb_dt_ids),
4245 .shutdown = rk_fb_shutdown,
4248 static int __init rk_fb_init(void)
4250 return platform_driver_register(&rk_fb_driver);
4253 static void __exit rk_fb_exit(void)
4255 platform_driver_unregister(&rk_fb_driver);
4258 fs_initcall(rk_fb_init);
4259 module_exit(rk_fb_exit);