2 * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
3 * Author:Mark Yao <mark.yao@rock-chips.com>
5 * This software is licensed under the terms of the GNU General Public
6 * License version 2, as published by the Free Software Foundation, and
7 * may be copied, distributed, and modified under those terms.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
17 #include <drm/drm_atomic.h>
18 #include <drm/drm_crtc.h>
19 #include <drm/drm_crtc_helper.h>
20 #include <drm/drm_flip_work.h>
21 #include <drm/drm_plane_helper.h>
22 #ifdef CONFIG_DRM_ANALOGIX_DP
23 #include <drm/bridge/analogix_dp.h>
26 #include <linux/kernel.h>
27 #include <linux/module.h>
28 #include <linux/platform_device.h>
29 #include <linux/clk.h>
30 #include <linux/iopoll.h>
32 #include <linux/of_device.h>
33 #include <linux/pm_runtime.h>
34 #include <linux/component.h>
36 #include <linux/reset.h>
37 #include <linux/delay.h>
39 #include "rockchip_drm_drv.h"
40 #include "rockchip_drm_gem.h"
41 #include "rockchip_drm_fb.h"
42 #include "rockchip_drm_psr.h"
43 #include "rockchip_drm_vop.h"
45 #define __REG_SET_RELAXED(x, off, mask, shift, v, write_mask) \
46 vop_mask_write(x, off, mask, shift, v, write_mask, true)
48 #define __REG_SET_NORMAL(x, off, mask, shift, v, write_mask) \
49 vop_mask_write(x, off, mask, shift, v, write_mask, false)
51 #define REG_SET(x, base, reg, v, mode) \
52 __REG_SET_##mode(x, base + reg.offset, \
53 reg.mask, reg.shift, v, reg.write_mask)
54 #define REG_SET_MASK(x, base, reg, mask, v, mode) \
55 __REG_SET_##mode(x, base + reg.offset, \
56 mask, reg.shift, v, reg.write_mask)
58 #define VOP_WIN_SET(x, win, name, v) \
59 REG_SET(x, win->base, win->phy->name, v, RELAXED)
60 #define VOP_SCL_SET(x, win, name, v) \
61 REG_SET(x, win->base, win->phy->scl->name, v, RELAXED)
62 #define VOP_SCL_SET_EXT(x, win, name, v) \
63 REG_SET(x, win->base, win->phy->scl->ext->name, v, RELAXED)
64 #define VOP_CTRL_SET(x, name, v) \
65 REG_SET(x, 0, (x)->data->ctrl->name, v, NORMAL)
67 #define VOP_INTR_GET(vop, name) \
68 vop_read_reg(vop, 0, &vop->data->ctrl->name)
70 #define VOP_INTR_SET(vop, name, mask, v) \
71 REG_SET_MASK(vop, 0, vop->data->intr->name, mask, v, NORMAL)
72 #define VOP_INTR_SET_TYPE(vop, name, type, v) \
74 int i, reg = 0, mask = 0; \
75 for (i = 0; i < vop->data->intr->nintrs; i++) { \
76 if (vop->data->intr->intrs[i] & type) { \
81 VOP_INTR_SET(vop, name, mask, reg); \
83 #define VOP_INTR_GET_TYPE(vop, name, type) \
84 vop_get_intr_type(vop, &vop->data->intr->name, type)
86 #define VOP_WIN_GET(x, win, name) \
87 vop_read_reg(x, win->base, &win->phy->name)
89 #define VOP_WIN_GET_YRGBADDR(vop, win) \
90 vop_readl(vop, win->base + win->phy->yrgb_mst.offset)
92 #define to_vop(x) container_of(x, struct vop, crtc)
93 #define to_vop_win(x) container_of(x, struct vop_win, base)
100 struct drm_plane base;
101 const struct vop_win_data *data;
106 struct drm_crtc crtc;
108 struct drm_device *drm_dev;
111 /* mutex vsync_ work */
112 struct mutex vsync_mutex;
113 bool vsync_work_pending;
114 struct completion dsp_hold_completion;
116 /* protected by dev->event_lock */
117 struct drm_pending_vblank_event *event;
119 struct drm_flip_work fb_unref_work;
120 unsigned long pending;
122 struct completion line_flag_completion;
124 const struct vop_data *data;
129 /* physical map length of vop register */
132 /* one time only one process allowed to config the register */
134 /* lock vop irq reg */
143 /* vop share memory frequency */
147 struct reset_control *dclk_rst;
149 struct vop_win win[];
152 static inline void vop_writel(struct vop *vop, uint32_t offset, uint32_t v)
154 writel(v, vop->regs + offset);
155 vop->regsbak[offset >> 2] = v;
158 static inline uint32_t vop_readl(struct vop *vop, uint32_t offset)
160 return readl(vop->regs + offset);
163 static inline uint32_t vop_read_reg(struct vop *vop, uint32_t base,
164 const struct vop_reg *reg)
166 return (vop_readl(vop, base + reg->offset) >> reg->shift) & reg->mask;
169 static inline void vop_mask_write(struct vop *vop, uint32_t offset,
170 uint32_t mask, uint32_t shift, uint32_t v,
171 bool write_mask, bool relaxed)
177 v = ((v << shift) & 0xffff) | (mask << (shift + 16));
179 uint32_t cached_val = vop->regsbak[offset >> 2];
181 v = (cached_val & ~(mask << shift)) | ((v & mask) << shift);
182 vop->regsbak[offset >> 2] = v;
186 writel_relaxed(v, vop->regs + offset);
188 writel(v, vop->regs + offset);
191 static inline uint32_t vop_get_intr_type(struct vop *vop,
192 const struct vop_reg *reg, int type)
195 uint32_t regs = vop_read_reg(vop, 0, reg);
197 for (i = 0; i < vop->data->intr->nintrs; i++) {
198 if ((type & vop->data->intr->intrs[i]) && (regs & 1 << i))
199 ret |= vop->data->intr->intrs[i];
205 static inline void vop_cfg_done(struct vop *vop)
207 VOP_CTRL_SET(vop, cfg_done, 1);
210 static bool has_rb_swapped(uint32_t format)
213 case DRM_FORMAT_XBGR8888:
214 case DRM_FORMAT_ABGR8888:
215 case DRM_FORMAT_BGR888:
216 case DRM_FORMAT_BGR565:
223 static enum vop_data_format vop_convert_format(uint32_t format)
226 case DRM_FORMAT_XRGB8888:
227 case DRM_FORMAT_ARGB8888:
228 case DRM_FORMAT_XBGR8888:
229 case DRM_FORMAT_ABGR8888:
230 return VOP_FMT_ARGB8888;
231 case DRM_FORMAT_RGB888:
232 case DRM_FORMAT_BGR888:
233 return VOP_FMT_RGB888;
234 case DRM_FORMAT_RGB565:
235 case DRM_FORMAT_BGR565:
236 return VOP_FMT_RGB565;
237 case DRM_FORMAT_NV12:
238 return VOP_FMT_YUV420SP;
239 case DRM_FORMAT_NV16:
240 return VOP_FMT_YUV422SP;
241 case DRM_FORMAT_NV24:
242 return VOP_FMT_YUV444SP;
244 DRM_ERROR("unsupported format[%08x]\n", format);
249 static bool is_yuv_support(uint32_t format)
252 case DRM_FORMAT_NV12:
253 case DRM_FORMAT_NV16:
254 case DRM_FORMAT_NV24:
261 static bool is_alpha_support(uint32_t format)
264 case DRM_FORMAT_ARGB8888:
265 case DRM_FORMAT_ABGR8888:
272 static uint16_t scl_vop_cal_scale(enum scale_mode mode, uint32_t src,
273 uint32_t dst, bool is_horizontal,
274 int vsu_mode, int *vskiplines)
276 uint16_t val = 1 << SCL_FT_DEFAULT_FIXPOINT_SHIFT;
279 if (mode == SCALE_UP)
280 val = GET_SCL_FT_BIC(src, dst);
281 else if (mode == SCALE_DOWN)
282 val = GET_SCL_FT_BILI_DN(src, dst);
284 if (mode == SCALE_UP) {
285 if (vsu_mode == SCALE_UP_BIL)
286 val = GET_SCL_FT_BILI_UP(src, dst);
288 val = GET_SCL_FT_BIC(src, dst);
289 } else if (mode == SCALE_DOWN) {
291 *vskiplines = scl_get_vskiplines(src, dst);
292 val = scl_get_bili_dn_vskip(src, dst,
295 val = GET_SCL_FT_BILI_DN(src, dst);
303 static void scl_vop_cal_scl_fac(struct vop *vop, const struct vop_win_data *win,
304 uint32_t src_w, uint32_t src_h, uint32_t dst_w,
305 uint32_t dst_h, uint32_t pixel_format)
307 uint16_t yrgb_hor_scl_mode, yrgb_ver_scl_mode;
308 uint16_t cbcr_hor_scl_mode = SCALE_NONE;
309 uint16_t cbcr_ver_scl_mode = SCALE_NONE;
310 int hsub = drm_format_horz_chroma_subsampling(pixel_format);
311 int vsub = drm_format_vert_chroma_subsampling(pixel_format);
312 bool is_yuv = is_yuv_support(pixel_format);
313 uint16_t cbcr_src_w = src_w / hsub;
314 uint16_t cbcr_src_h = src_h / vsub;
321 DRM_DEV_ERROR(vop->dev, "Maximum dst width (3840) exceeded\n");
325 if (!win->phy->scl->ext) {
326 VOP_SCL_SET(vop, win, scale_yrgb_x,
327 scl_cal_scale2(src_w, dst_w));
328 VOP_SCL_SET(vop, win, scale_yrgb_y,
329 scl_cal_scale2(src_h, dst_h));
331 VOP_SCL_SET(vop, win, scale_cbcr_x,
332 scl_cal_scale2(cbcr_src_w, dst_w));
333 VOP_SCL_SET(vop, win, scale_cbcr_y,
334 scl_cal_scale2(cbcr_src_h, dst_h));
339 yrgb_hor_scl_mode = scl_get_scl_mode(src_w, dst_w);
340 yrgb_ver_scl_mode = scl_get_scl_mode(src_h, dst_h);
343 cbcr_hor_scl_mode = scl_get_scl_mode(cbcr_src_w, dst_w);
344 cbcr_ver_scl_mode = scl_get_scl_mode(cbcr_src_h, dst_h);
345 if (cbcr_hor_scl_mode == SCALE_DOWN)
346 lb_mode = scl_vop_cal_lb_mode(dst_w, true);
348 lb_mode = scl_vop_cal_lb_mode(cbcr_src_w, true);
350 if (yrgb_hor_scl_mode == SCALE_DOWN)
351 lb_mode = scl_vop_cal_lb_mode(dst_w, false);
353 lb_mode = scl_vop_cal_lb_mode(src_w, false);
356 VOP_SCL_SET_EXT(vop, win, lb_mode, lb_mode);
357 if (lb_mode == LB_RGB_3840X2) {
358 if (yrgb_ver_scl_mode != SCALE_NONE) {
359 DRM_DEV_ERROR(vop->dev, "not allow yrgb ver scale\n");
362 if (cbcr_ver_scl_mode != SCALE_NONE) {
363 DRM_DEV_ERROR(vop->dev, "not allow cbcr ver scale\n");
366 vsu_mode = SCALE_UP_BIL;
367 } else if (lb_mode == LB_RGB_2560X4) {
368 vsu_mode = SCALE_UP_BIL;
370 vsu_mode = SCALE_UP_BIC;
373 val = scl_vop_cal_scale(yrgb_hor_scl_mode, src_w, dst_w,
375 VOP_SCL_SET(vop, win, scale_yrgb_x, val);
376 val = scl_vop_cal_scale(yrgb_ver_scl_mode, src_h, dst_h,
377 false, vsu_mode, &vskiplines);
378 VOP_SCL_SET(vop, win, scale_yrgb_y, val);
380 VOP_SCL_SET_EXT(vop, win, vsd_yrgb_gt4, vskiplines == 4);
381 VOP_SCL_SET_EXT(vop, win, vsd_yrgb_gt2, vskiplines == 2);
383 VOP_SCL_SET_EXT(vop, win, yrgb_hor_scl_mode, yrgb_hor_scl_mode);
384 VOP_SCL_SET_EXT(vop, win, yrgb_ver_scl_mode, yrgb_ver_scl_mode);
385 VOP_SCL_SET_EXT(vop, win, yrgb_hsd_mode, SCALE_DOWN_BIL);
386 VOP_SCL_SET_EXT(vop, win, yrgb_vsd_mode, SCALE_DOWN_BIL);
387 VOP_SCL_SET_EXT(vop, win, yrgb_vsu_mode, vsu_mode);
389 val = scl_vop_cal_scale(cbcr_hor_scl_mode, cbcr_src_w,
390 dst_w, true, 0, NULL);
391 VOP_SCL_SET(vop, win, scale_cbcr_x, val);
392 val = scl_vop_cal_scale(cbcr_ver_scl_mode, cbcr_src_h,
393 dst_h, false, vsu_mode, &vskiplines);
394 VOP_SCL_SET(vop, win, scale_cbcr_y, val);
396 VOP_SCL_SET_EXT(vop, win, vsd_cbcr_gt4, vskiplines == 4);
397 VOP_SCL_SET_EXT(vop, win, vsd_cbcr_gt2, vskiplines == 2);
398 VOP_SCL_SET_EXT(vop, win, cbcr_hor_scl_mode, cbcr_hor_scl_mode);
399 VOP_SCL_SET_EXT(vop, win, cbcr_ver_scl_mode, cbcr_ver_scl_mode);
400 VOP_SCL_SET_EXT(vop, win, cbcr_hsd_mode, SCALE_DOWN_BIL);
401 VOP_SCL_SET_EXT(vop, win, cbcr_vsd_mode, SCALE_DOWN_BIL);
402 VOP_SCL_SET_EXT(vop, win, cbcr_vsu_mode, vsu_mode);
406 static void vop_dsp_hold_valid_irq_enable(struct vop *vop)
410 if (WARN_ON(!vop->is_enabled))
413 spin_lock_irqsave(&vop->irq_lock, flags);
415 VOP_INTR_SET_TYPE(vop, clear, DSP_HOLD_VALID_INTR, 1);
416 VOP_INTR_SET_TYPE(vop, enable, DSP_HOLD_VALID_INTR, 1);
418 spin_unlock_irqrestore(&vop->irq_lock, flags);
421 static void vop_dsp_hold_valid_irq_disable(struct vop *vop)
425 if (WARN_ON(!vop->is_enabled))
428 spin_lock_irqsave(&vop->irq_lock, flags);
430 VOP_INTR_SET_TYPE(vop, enable, DSP_HOLD_VALID_INTR, 0);
432 spin_unlock_irqrestore(&vop->irq_lock, flags);
436 * (1) each frame starts at the start of the Vsync pulse which is signaled by
437 * the "FRAME_SYNC" interrupt.
438 * (2) the active data region of each frame ends at dsp_vact_end
439 * (3) we should program this same number (dsp_vact_end) into dsp_line_frag_num,
440 * to get "LINE_FLAG" interrupt at the end of the active on screen data.
442 * VOP_INTR_CTRL0.dsp_line_frag_num = VOP_DSP_VACT_ST_END.dsp_vact_end
444 * LINE_FLAG -------------------------------+
448 * | Vsync | Vbp | Vactive | Vfp |
452 * dsp_vs_end ------------+ | | | VOP_DSP_VTOTAL_VS_END
453 * dsp_vact_start --------------+ | | VOP_DSP_VACT_ST_END
454 * dsp_vact_end ----------------------------+ | VOP_DSP_VACT_ST_END
455 * dsp_total -------------------------------------+ VOP_DSP_VTOTAL_VS_END
457 static bool vop_line_flag_irq_is_enabled(struct vop *vop)
459 uint32_t line_flag_irq;
462 spin_lock_irqsave(&vop->irq_lock, flags);
464 line_flag_irq = VOP_INTR_GET_TYPE(vop, enable, LINE_FLAG_INTR);
466 spin_unlock_irqrestore(&vop->irq_lock, flags);
468 return !!line_flag_irq;
471 static void vop_line_flag_irq_enable(struct vop *vop, int line_num)
475 if (WARN_ON(!vop->is_enabled))
478 spin_lock_irqsave(&vop->irq_lock, flags);
480 VOP_CTRL_SET(vop, line_flag_num[0], line_num);
481 VOP_INTR_SET_TYPE(vop, clear, LINE_FLAG_INTR, 1);
482 VOP_INTR_SET_TYPE(vop, enable, LINE_FLAG_INTR, 1);
484 spin_unlock_irqrestore(&vop->irq_lock, flags);
487 static void vop_line_flag_irq_disable(struct vop *vop)
491 if (WARN_ON(!vop->is_enabled))
494 spin_lock_irqsave(&vop->irq_lock, flags);
496 VOP_INTR_SET_TYPE(vop, enable, LINE_FLAG_INTR, 0);
498 spin_unlock_irqrestore(&vop->irq_lock, flags);
501 static int vop_enable(struct drm_crtc *crtc)
503 struct vop *vop = to_vop(crtc);
506 ret = pm_runtime_get_sync(vop->dev);
508 dev_err(vop->dev, "failed to get pm runtime: %d\n", ret);
512 ret = clk_enable(vop->hclk);
513 if (WARN_ON(ret < 0))
514 goto err_put_pm_runtime;
516 ret = clk_enable(vop->dclk);
517 if (WARN_ON(ret < 0))
518 goto err_disable_hclk;
520 ret = clk_enable(vop->aclk);
521 if (WARN_ON(ret < 0))
522 goto err_disable_dclk;
525 * Slave iommu shares power, irq and clock with vop. It was associated
526 * automatically with this master device via common driver code.
527 * Now that we have enabled the clock we attach it to the shared drm
530 ret = rockchip_drm_dma_attach_device(vop->drm_dev, vop->dev);
532 dev_err(vop->dev, "failed to attach dma mapping, %d\n", ret);
533 goto err_disable_aclk;
536 memcpy(vop->regs, vop->regsbak, vop->len);
540 * At here, vop clock & iommu is enable, R/W vop regs would be safe.
542 vop->is_enabled = true;
544 spin_lock(&vop->reg_lock);
546 VOP_CTRL_SET(vop, standby, 0);
548 spin_unlock(&vop->reg_lock);
550 enable_irq(vop->irq);
552 drm_crtc_vblank_on(crtc);
557 clk_disable(vop->aclk);
559 clk_disable(vop->dclk);
561 clk_disable(vop->hclk);
563 pm_runtime_put_sync(vop->dev);
567 static void vop_crtc_disable(struct drm_crtc *crtc)
569 struct vop *vop = to_vop(crtc);
574 rockchip_drm_psr_deactivate(&vop->crtc);
577 * We need to make sure that all windows are disabled before we
578 * disable that crtc. Otherwise we might try to scan from a destroyed
581 for (i = 0; i < vop->data->win_size; i++) {
582 struct vop_win *vop_win = &vop->win[i];
583 const struct vop_win_data *win = vop_win->data;
585 spin_lock(&vop->reg_lock);
586 VOP_WIN_SET(vop, win, enable, 0);
587 spin_unlock(&vop->reg_lock);
592 drm_crtc_vblank_off(crtc);
595 * Vop standby will take effect at end of current frame,
596 * if dsp hold valid irq happen, it means standby complete.
598 * we must wait standby complete when we want to disable aclk,
599 * if not, memory bus maybe dead.
601 reinit_completion(&vop->dsp_hold_completion);
602 vop_dsp_hold_valid_irq_enable(vop);
604 spin_lock(&vop->reg_lock);
606 VOP_CTRL_SET(vop, standby, 1);
608 spin_unlock(&vop->reg_lock);
610 wait_for_completion(&vop->dsp_hold_completion);
612 vop_dsp_hold_valid_irq_disable(vop);
614 disable_irq(vop->irq);
616 vop->is_enabled = false;
619 * vop standby complete, so iommu detach is safe.
621 rockchip_drm_dma_detach_device(vop->drm_dev, vop->dev);
623 clk_disable(vop->dclk);
624 clk_disable(vop->aclk);
625 clk_disable(vop->hclk);
626 pm_runtime_put(vop->dev);
628 if (crtc->state->event && !crtc->state->active) {
629 spin_lock_irq(&crtc->dev->event_lock);
630 drm_crtc_send_vblank_event(crtc, crtc->state->event);
631 spin_unlock_irq(&crtc->dev->event_lock);
633 crtc->state->event = NULL;
637 static void vop_plane_destroy(struct drm_plane *plane)
639 drm_plane_cleanup(plane);
642 static int vop_plane_atomic_check(struct drm_plane *plane,
643 struct drm_plane_state *state)
645 struct drm_crtc *crtc = state->crtc;
646 struct drm_crtc_state *crtc_state;
647 struct drm_framebuffer *fb = state->fb;
648 struct vop_win *vop_win = to_vop_win(plane);
649 const struct vop_win_data *win = vop_win->data;
651 struct drm_rect clip;
652 int min_scale = win->phy->scl ? FRAC_16_16(1, 8) :
653 DRM_PLANE_HELPER_NO_SCALING;
654 int max_scale = win->phy->scl ? FRAC_16_16(8, 1) :
655 DRM_PLANE_HELPER_NO_SCALING;
660 crtc_state = drm_atomic_get_existing_crtc_state(state->state, crtc);
661 if (WARN_ON(!crtc_state))
666 clip.x2 = crtc_state->adjusted_mode.hdisplay;
667 clip.y2 = crtc_state->adjusted_mode.vdisplay;
669 ret = drm_plane_helper_check_state(state, &clip,
670 min_scale, max_scale,
678 ret = vop_convert_format(fb->format->format);
683 * Src.x1 can be odd when do clip, but yuv plane start point
684 * need align with 2 pixel.
686 if (is_yuv_support(fb->format->format) && ((state->src.x1 >> 16) % 2))
692 static void vop_plane_atomic_disable(struct drm_plane *plane,
693 struct drm_plane_state *old_state)
695 struct vop_win *vop_win = to_vop_win(plane);
696 const struct vop_win_data *win = vop_win->data;
697 struct vop *vop = to_vop(old_state->crtc);
699 if (!old_state->crtc)
702 spin_lock(&vop->reg_lock);
704 VOP_WIN_SET(vop, win, enable, 0);
706 spin_unlock(&vop->reg_lock);
709 static void vop_plane_atomic_update(struct drm_plane *plane,
710 struct drm_plane_state *old_state)
712 struct drm_plane_state *state = plane->state;
713 struct drm_crtc *crtc = state->crtc;
714 struct vop_win *vop_win = to_vop_win(plane);
715 const struct vop_win_data *win = vop_win->data;
716 struct vop *vop = to_vop(state->crtc);
717 struct drm_framebuffer *fb = state->fb;
718 unsigned int actual_w, actual_h;
719 unsigned int dsp_stx, dsp_sty;
720 uint32_t act_info, dsp_info, dsp_st;
721 struct drm_rect *src = &state->src;
722 struct drm_rect *dest = &state->dst;
723 struct drm_gem_object *obj, *uv_obj;
724 struct rockchip_gem_object *rk_obj, *rk_uv_obj;
725 unsigned long offset;
732 * can't update plane when vop is disabled.
737 if (WARN_ON(!vop->is_enabled))
740 if (!state->visible) {
741 vop_plane_atomic_disable(plane, old_state);
745 obj = rockchip_fb_get_gem_obj(fb, 0);
746 rk_obj = to_rockchip_obj(obj);
748 actual_w = drm_rect_width(src) >> 16;
749 actual_h = drm_rect_height(src) >> 16;
750 act_info = (actual_h - 1) << 16 | ((actual_w - 1) & 0xffff);
752 dsp_info = (drm_rect_height(dest) - 1) << 16;
753 dsp_info |= (drm_rect_width(dest) - 1) & 0xffff;
755 dsp_stx = dest->x1 + crtc->mode.htotal - crtc->mode.hsync_start;
756 dsp_sty = dest->y1 + crtc->mode.vtotal - crtc->mode.vsync_start;
757 dsp_st = dsp_sty << 16 | (dsp_stx & 0xffff);
759 offset = (src->x1 >> 16) * fb->format->cpp[0];
760 offset += (src->y1 >> 16) * fb->pitches[0];
761 dma_addr = rk_obj->dma_addr + offset + fb->offsets[0];
763 format = vop_convert_format(fb->format->format);
765 spin_lock(&vop->reg_lock);
767 VOP_WIN_SET(vop, win, format, format);
768 VOP_WIN_SET(vop, win, yrgb_vir, fb->pitches[0] >> 2);
769 VOP_WIN_SET(vop, win, yrgb_mst, dma_addr);
770 if (is_yuv_support(fb->format->format)) {
771 int hsub = drm_format_horz_chroma_subsampling(fb->format->format);
772 int vsub = drm_format_vert_chroma_subsampling(fb->format->format);
773 int bpp = fb->format->cpp[1];
775 uv_obj = rockchip_fb_get_gem_obj(fb, 1);
776 rk_uv_obj = to_rockchip_obj(uv_obj);
778 offset = (src->x1 >> 16) * bpp / hsub;
779 offset += (src->y1 >> 16) * fb->pitches[1] / vsub;
781 dma_addr = rk_uv_obj->dma_addr + offset + fb->offsets[1];
782 VOP_WIN_SET(vop, win, uv_vir, fb->pitches[1] >> 2);
783 VOP_WIN_SET(vop, win, uv_mst, dma_addr);
787 scl_vop_cal_scl_fac(vop, win, actual_w, actual_h,
788 drm_rect_width(dest), drm_rect_height(dest),
791 VOP_WIN_SET(vop, win, act_info, act_info);
792 VOP_WIN_SET(vop, win, dsp_info, dsp_info);
793 VOP_WIN_SET(vop, win, dsp_st, dsp_st);
795 rb_swap = has_rb_swapped(fb->format->format);
796 VOP_WIN_SET(vop, win, rb_swap, rb_swap);
798 if (is_alpha_support(fb->format->format)) {
799 VOP_WIN_SET(vop, win, dst_alpha_ctl,
800 DST_FACTOR_M0(ALPHA_SRC_INVERSE));
801 val = SRC_ALPHA_EN(1) | SRC_COLOR_M0(ALPHA_SRC_PRE_MUL) |
802 SRC_ALPHA_M0(ALPHA_STRAIGHT) |
803 SRC_BLEND_M0(ALPHA_PER_PIX) |
804 SRC_ALPHA_CAL_M0(ALPHA_NO_SATURATION) |
805 SRC_FACTOR_M0(ALPHA_ONE);
806 VOP_WIN_SET(vop, win, src_alpha_ctl, val);
808 VOP_WIN_SET(vop, win, src_alpha_ctl, SRC_ALPHA_EN(0));
811 VOP_WIN_SET(vop, win, enable, 1);
812 spin_unlock(&vop->reg_lock);
815 static const struct drm_plane_helper_funcs plane_helper_funcs = {
816 .atomic_check = vop_plane_atomic_check,
817 .atomic_update = vop_plane_atomic_update,
818 .atomic_disable = vop_plane_atomic_disable,
821 static const struct drm_plane_funcs vop_plane_funcs = {
822 .update_plane = drm_atomic_helper_update_plane,
823 .disable_plane = drm_atomic_helper_disable_plane,
824 .destroy = vop_plane_destroy,
825 .reset = drm_atomic_helper_plane_reset,
826 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
827 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
830 static int vop_crtc_enable_vblank(struct drm_crtc *crtc)
832 struct vop *vop = to_vop(crtc);
835 if (WARN_ON(!vop->is_enabled))
838 spin_lock_irqsave(&vop->irq_lock, flags);
840 VOP_INTR_SET_TYPE(vop, clear, FS_INTR, 1);
841 VOP_INTR_SET_TYPE(vop, enable, FS_INTR, 1);
843 spin_unlock_irqrestore(&vop->irq_lock, flags);
848 static void vop_crtc_disable_vblank(struct drm_crtc *crtc)
850 struct vop *vop = to_vop(crtc);
853 if (WARN_ON(!vop->is_enabled))
856 spin_lock_irqsave(&vop->irq_lock, flags);
858 VOP_INTR_SET_TYPE(vop, enable, FS_INTR, 0);
860 spin_unlock_irqrestore(&vop->irq_lock, flags);
863 static bool vop_crtc_mode_fixup(struct drm_crtc *crtc,
864 const struct drm_display_mode *mode,
865 struct drm_display_mode *adjusted_mode)
867 struct vop *vop = to_vop(crtc);
869 adjusted_mode->clock =
870 clk_round_rate(vop->dclk, mode->clock * 1000) / 1000;
875 static void vop_crtc_enable(struct drm_crtc *crtc)
877 struct vop *vop = to_vop(crtc);
878 struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc->state);
879 struct drm_display_mode *adjusted_mode = &crtc->state->adjusted_mode;
880 u16 hsync_len = adjusted_mode->hsync_end - adjusted_mode->hsync_start;
881 u16 hdisplay = adjusted_mode->hdisplay;
882 u16 htotal = adjusted_mode->htotal;
883 u16 hact_st = adjusted_mode->htotal - adjusted_mode->hsync_start;
884 u16 hact_end = hact_st + hdisplay;
885 u16 vdisplay = adjusted_mode->vdisplay;
886 u16 vtotal = adjusted_mode->vtotal;
887 u16 vsync_len = adjusted_mode->vsync_end - adjusted_mode->vsync_start;
888 u16 vact_st = adjusted_mode->vtotal - adjusted_mode->vsync_start;
889 u16 vact_end = vact_st + vdisplay;
890 uint32_t pin_pol, val;
895 ret = vop_enable(crtc);
897 DRM_DEV_ERROR(vop->dev, "Failed to enable vop (%d)\n", ret);
902 * If dclk rate is zero, mean that scanout is stop,
903 * we don't need wait any more.
905 if (clk_get_rate(vop->dclk)) {
907 * Rk3288 vop timing register is immediately, when configure
908 * display timing on display time, may cause tearing.
910 * Vop standby will take effect at end of current frame,
911 * if dsp hold valid irq happen, it means standby complete.
914 * standby and wait complete --> |----
918 * configure display timing --> |
923 reinit_completion(&vop->dsp_hold_completion);
924 vop_dsp_hold_valid_irq_enable(vop);
926 spin_lock(&vop->reg_lock);
928 VOP_CTRL_SET(vop, standby, 1);
930 spin_unlock(&vop->reg_lock);
932 wait_for_completion(&vop->dsp_hold_completion);
934 vop_dsp_hold_valid_irq_disable(vop);
937 pin_pol = BIT(DCLK_INVERT);
938 pin_pol |= (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC) ?
939 BIT(HSYNC_POSITIVE) : 0;
940 pin_pol |= (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC) ?
941 BIT(VSYNC_POSITIVE) : 0;
942 VOP_CTRL_SET(vop, pin_pol, pin_pol);
944 switch (s->output_type) {
945 case DRM_MODE_CONNECTOR_LVDS:
946 VOP_CTRL_SET(vop, rgb_en, 1);
947 VOP_CTRL_SET(vop, rgb_pin_pol, pin_pol);
949 case DRM_MODE_CONNECTOR_eDP:
950 VOP_CTRL_SET(vop, edp_pin_pol, pin_pol);
951 VOP_CTRL_SET(vop, edp_en, 1);
953 case DRM_MODE_CONNECTOR_HDMIA:
954 VOP_CTRL_SET(vop, hdmi_pin_pol, pin_pol);
955 VOP_CTRL_SET(vop, hdmi_en, 1);
957 case DRM_MODE_CONNECTOR_DSI:
958 VOP_CTRL_SET(vop, mipi_pin_pol, pin_pol);
959 VOP_CTRL_SET(vop, mipi_en, 1);
961 case DRM_MODE_CONNECTOR_DisplayPort:
962 pin_pol &= ~BIT(DCLK_INVERT);
963 VOP_CTRL_SET(vop, dp_pin_pol, pin_pol);
964 VOP_CTRL_SET(vop, dp_en, 1);
967 DRM_DEV_ERROR(vop->dev, "unsupported connector_type [%d]\n",
970 VOP_CTRL_SET(vop, out_mode, s->output_mode);
972 VOP_CTRL_SET(vop, htotal_pw, (htotal << 16) | hsync_len);
975 VOP_CTRL_SET(vop, hact_st_end, val);
976 VOP_CTRL_SET(vop, hpost_st_end, val);
978 VOP_CTRL_SET(vop, vtotal_pw, (vtotal << 16) | vsync_len);
981 VOP_CTRL_SET(vop, vact_st_end, val);
982 VOP_CTRL_SET(vop, vpost_st_end, val);
984 clk_set_rate(vop->dclk, adjusted_mode->clock * 1000);
986 VOP_CTRL_SET(vop, standby, 0);
988 rockchip_drm_psr_activate(&vop->crtc);
991 static bool vop_fs_irq_is_pending(struct vop *vop)
993 return VOP_INTR_GET_TYPE(vop, status, FS_INTR);
996 static void vop_wait_for_irq_handler(struct vop *vop)
1002 * Spin until frame start interrupt status bit goes low, which means
1003 * that interrupt handler was invoked and cleared it. The timeout of
1004 * 10 msecs is really too long, but it is just a safety measure if
1005 * something goes really wrong. The wait will only happen in the very
1006 * unlikely case of a vblank happening exactly at the same time and
1007 * shouldn't exceed microseconds range.
1009 ret = readx_poll_timeout_atomic(vop_fs_irq_is_pending, vop, pending,
1010 !pending, 0, 10 * 1000);
1012 DRM_DEV_ERROR(vop->dev, "VOP vblank IRQ stuck for 10 ms\n");
1014 synchronize_irq(vop->irq);
1017 static void vop_crtc_atomic_flush(struct drm_crtc *crtc,
1018 struct drm_crtc_state *old_crtc_state)
1020 struct drm_atomic_state *old_state = old_crtc_state->state;
1021 struct drm_plane_state *old_plane_state;
1022 struct vop *vop = to_vop(crtc);
1023 struct drm_plane *plane;
1026 if (WARN_ON(!vop->is_enabled))
1029 spin_lock(&vop->reg_lock);
1033 spin_unlock(&vop->reg_lock);
1036 * There is a (rather unlikely) possiblity that a vblank interrupt
1037 * fired before we set the cfg_done bit. To avoid spuriously
1038 * signalling flip completion we need to wait for it to finish.
1040 vop_wait_for_irq_handler(vop);
1042 spin_lock_irq(&crtc->dev->event_lock);
1043 if (crtc->state->event) {
1044 WARN_ON(drm_crtc_vblank_get(crtc) != 0);
1045 WARN_ON(vop->event);
1047 vop->event = crtc->state->event;
1048 crtc->state->event = NULL;
1050 spin_unlock_irq(&crtc->dev->event_lock);
1052 for_each_plane_in_state(old_state, plane, old_plane_state, i) {
1053 if (!old_plane_state->fb)
1056 if (old_plane_state->fb == plane->state->fb)
1059 drm_framebuffer_reference(old_plane_state->fb);
1060 drm_flip_work_queue(&vop->fb_unref_work, old_plane_state->fb);
1061 set_bit(VOP_PENDING_FB_UNREF, &vop->pending);
1062 WARN_ON(drm_crtc_vblank_get(crtc) != 0);
1066 static void vop_crtc_atomic_begin(struct drm_crtc *crtc,
1067 struct drm_crtc_state *old_crtc_state)
1069 rockchip_drm_psr_flush(crtc);
1072 static const struct drm_crtc_helper_funcs vop_crtc_helper_funcs = {
1073 .enable = vop_crtc_enable,
1074 .disable = vop_crtc_disable,
1075 .mode_fixup = vop_crtc_mode_fixup,
1076 .atomic_flush = vop_crtc_atomic_flush,
1077 .atomic_begin = vop_crtc_atomic_begin,
1080 static void vop_crtc_destroy(struct drm_crtc *crtc)
1082 drm_crtc_cleanup(crtc);
1085 static void vop_crtc_reset(struct drm_crtc *crtc)
1088 __drm_atomic_helper_crtc_destroy_state(crtc->state);
1091 crtc->state = kzalloc(sizeof(struct rockchip_crtc_state), GFP_KERNEL);
1093 crtc->state->crtc = crtc;
1096 static struct drm_crtc_state *vop_crtc_duplicate_state(struct drm_crtc *crtc)
1098 struct rockchip_crtc_state *rockchip_state;
1100 rockchip_state = kzalloc(sizeof(*rockchip_state), GFP_KERNEL);
1101 if (!rockchip_state)
1104 __drm_atomic_helper_crtc_duplicate_state(crtc, &rockchip_state->base);
1105 return &rockchip_state->base;
1108 static void vop_crtc_destroy_state(struct drm_crtc *crtc,
1109 struct drm_crtc_state *state)
1111 struct rockchip_crtc_state *s = to_rockchip_crtc_state(state);
1113 __drm_atomic_helper_crtc_destroy_state(&s->base);
1117 #ifdef CONFIG_DRM_ANALOGIX_DP
1118 static struct drm_connector *vop_get_edp_connector(struct vop *vop)
1120 struct drm_crtc *crtc = &vop->crtc;
1121 struct drm_connector *connector;
1123 mutex_lock(&crtc->dev->mode_config.mutex);
1124 drm_for_each_connector(connector, crtc->dev)
1125 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1126 mutex_unlock(&crtc->dev->mode_config.mutex);
1129 mutex_unlock(&crtc->dev->mode_config.mutex);
1134 static int vop_crtc_set_crc_source(struct drm_crtc *crtc,
1135 const char *source_name, size_t *values_cnt)
1137 struct vop *vop = to_vop(crtc);
1138 struct drm_connector *connector;
1141 connector = vop_get_edp_connector(vop);
1147 if (source_name && strcmp(source_name, "auto") == 0)
1148 ret = analogix_dp_start_crc(connector);
1149 else if (!source_name)
1150 ret = analogix_dp_stop_crc(connector);
1157 static int vop_crtc_set_crc_source(struct drm_crtc *crtc,
1158 const char *source_name, size_t *values_cnt)
1164 static const struct drm_crtc_funcs vop_crtc_funcs = {
1165 .set_config = drm_atomic_helper_set_config,
1166 .page_flip = drm_atomic_helper_page_flip,
1167 .destroy = vop_crtc_destroy,
1168 .reset = vop_crtc_reset,
1169 .atomic_duplicate_state = vop_crtc_duplicate_state,
1170 .atomic_destroy_state = vop_crtc_destroy_state,
1171 .enable_vblank = vop_crtc_enable_vblank,
1172 .disable_vblank = vop_crtc_disable_vblank,
1173 .set_crc_source = vop_crtc_set_crc_source,
1176 static void vop_fb_unref_worker(struct drm_flip_work *work, void *val)
1178 struct vop *vop = container_of(work, struct vop, fb_unref_work);
1179 struct drm_framebuffer *fb = val;
1181 drm_crtc_vblank_put(&vop->crtc);
1182 drm_framebuffer_unreference(fb);
1185 static void vop_handle_vblank(struct vop *vop)
1187 struct drm_device *drm = vop->drm_dev;
1188 struct drm_crtc *crtc = &vop->crtc;
1189 unsigned long flags;
1191 spin_lock_irqsave(&drm->event_lock, flags);
1193 drm_crtc_send_vblank_event(crtc, vop->event);
1194 drm_crtc_vblank_put(crtc);
1197 spin_unlock_irqrestore(&drm->event_lock, flags);
1199 if (test_and_clear_bit(VOP_PENDING_FB_UNREF, &vop->pending))
1200 drm_flip_work_commit(&vop->fb_unref_work, system_unbound_wq);
1203 static irqreturn_t vop_isr(int irq, void *data)
1205 struct vop *vop = data;
1206 struct drm_crtc *crtc = &vop->crtc;
1207 uint32_t active_irqs;
1208 unsigned long flags;
1212 * interrupt register has interrupt status, enable and clear bits, we
1213 * must hold irq_lock to avoid a race with enable/disable_vblank().
1215 spin_lock_irqsave(&vop->irq_lock, flags);
1217 active_irqs = VOP_INTR_GET_TYPE(vop, status, INTR_MASK);
1218 /* Clear all active interrupt sources */
1220 VOP_INTR_SET_TYPE(vop, clear, active_irqs, 1);
1222 spin_unlock_irqrestore(&vop->irq_lock, flags);
1224 /* This is expected for vop iommu irqs, since the irq is shared */
1228 if (active_irqs & DSP_HOLD_VALID_INTR) {
1229 complete(&vop->dsp_hold_completion);
1230 active_irqs &= ~DSP_HOLD_VALID_INTR;
1234 if (active_irqs & LINE_FLAG_INTR) {
1235 complete(&vop->line_flag_completion);
1236 active_irqs &= ~LINE_FLAG_INTR;
1240 if (active_irqs & FS_INTR) {
1241 drm_crtc_handle_vblank(crtc);
1242 vop_handle_vblank(vop);
1243 active_irqs &= ~FS_INTR;
1247 /* Unhandled irqs are spurious. */
1249 DRM_DEV_ERROR(vop->dev, "Unknown VOP IRQs: %#02x\n",
1255 static int vop_create_crtc(struct vop *vop)
1257 const struct vop_data *vop_data = vop->data;
1258 struct device *dev = vop->dev;
1259 struct drm_device *drm_dev = vop->drm_dev;
1260 struct drm_plane *primary = NULL, *cursor = NULL, *plane, *tmp;
1261 struct drm_crtc *crtc = &vop->crtc;
1262 struct device_node *port;
1267 * Create drm_plane for primary and cursor planes first, since we need
1268 * to pass them to drm_crtc_init_with_planes, which sets the
1269 * "possible_crtcs" to the newly initialized crtc.
1271 for (i = 0; i < vop_data->win_size; i++) {
1272 struct vop_win *vop_win = &vop->win[i];
1273 const struct vop_win_data *win_data = vop_win->data;
1275 if (win_data->type != DRM_PLANE_TYPE_PRIMARY &&
1276 win_data->type != DRM_PLANE_TYPE_CURSOR)
1279 ret = drm_universal_plane_init(vop->drm_dev, &vop_win->base,
1280 0, &vop_plane_funcs,
1281 win_data->phy->data_formats,
1282 win_data->phy->nformats,
1283 win_data->type, NULL);
1285 DRM_DEV_ERROR(vop->dev, "failed to init plane %d\n",
1287 goto err_cleanup_planes;
1290 plane = &vop_win->base;
1291 drm_plane_helper_add(plane, &plane_helper_funcs);
1292 if (plane->type == DRM_PLANE_TYPE_PRIMARY)
1294 else if (plane->type == DRM_PLANE_TYPE_CURSOR)
1298 ret = drm_crtc_init_with_planes(drm_dev, crtc, primary, cursor,
1299 &vop_crtc_funcs, NULL);
1301 goto err_cleanup_planes;
1303 drm_crtc_helper_add(crtc, &vop_crtc_helper_funcs);
1306 * Create drm_planes for overlay windows with possible_crtcs restricted
1307 * to the newly created crtc.
1309 for (i = 0; i < vop_data->win_size; i++) {
1310 struct vop_win *vop_win = &vop->win[i];
1311 const struct vop_win_data *win_data = vop_win->data;
1312 unsigned long possible_crtcs = 1 << drm_crtc_index(crtc);
1314 if (win_data->type != DRM_PLANE_TYPE_OVERLAY)
1317 ret = drm_universal_plane_init(vop->drm_dev, &vop_win->base,
1320 win_data->phy->data_formats,
1321 win_data->phy->nformats,
1322 win_data->type, NULL);
1324 DRM_DEV_ERROR(vop->dev, "failed to init overlay %d\n",
1326 goto err_cleanup_crtc;
1328 drm_plane_helper_add(&vop_win->base, &plane_helper_funcs);
1331 port = of_get_child_by_name(dev->of_node, "port");
1333 DRM_DEV_ERROR(vop->dev, "no port node found in %s\n",
1334 dev->of_node->full_name);
1336 goto err_cleanup_crtc;
1339 drm_flip_work_init(&vop->fb_unref_work, "fb_unref",
1340 vop_fb_unref_worker);
1342 init_completion(&vop->dsp_hold_completion);
1343 init_completion(&vop->line_flag_completion);
1349 drm_crtc_cleanup(crtc);
1351 list_for_each_entry_safe(plane, tmp, &drm_dev->mode_config.plane_list,
1353 drm_plane_cleanup(plane);
1357 static void vop_destroy_crtc(struct vop *vop)
1359 struct drm_crtc *crtc = &vop->crtc;
1360 struct drm_device *drm_dev = vop->drm_dev;
1361 struct drm_plane *plane, *tmp;
1363 of_node_put(crtc->port);
1366 * We need to cleanup the planes now. Why?
1368 * The planes are "&vop->win[i].base". That means the memory is
1369 * all part of the big "struct vop" chunk of memory. That memory
1370 * was devm allocated and associated with this component. We need to
1371 * free it ourselves before vop_unbind() finishes.
1373 list_for_each_entry_safe(plane, tmp, &drm_dev->mode_config.plane_list,
1375 vop_plane_destroy(plane);
1378 * Destroy CRTC after vop_plane_destroy() since vop_disable_plane()
1379 * references the CRTC.
1381 drm_crtc_cleanup(crtc);
1382 drm_flip_work_cleanup(&vop->fb_unref_work);
1385 static int vop_initial(struct vop *vop)
1387 const struct vop_data *vop_data = vop->data;
1388 const struct vop_reg_data *init_table = vop_data->init_table;
1389 struct reset_control *ahb_rst;
1392 vop->hclk = devm_clk_get(vop->dev, "hclk_vop");
1393 if (IS_ERR(vop->hclk)) {
1394 dev_err(vop->dev, "failed to get hclk source\n");
1395 return PTR_ERR(vop->hclk);
1397 vop->aclk = devm_clk_get(vop->dev, "aclk_vop");
1398 if (IS_ERR(vop->aclk)) {
1399 dev_err(vop->dev, "failed to get aclk source\n");
1400 return PTR_ERR(vop->aclk);
1402 vop->dclk = devm_clk_get(vop->dev, "dclk_vop");
1403 if (IS_ERR(vop->dclk)) {
1404 dev_err(vop->dev, "failed to get dclk source\n");
1405 return PTR_ERR(vop->dclk);
1408 ret = pm_runtime_get_sync(vop->dev);
1410 dev_err(vop->dev, "failed to get pm runtime: %d\n", ret);
1414 ret = clk_prepare(vop->dclk);
1416 dev_err(vop->dev, "failed to prepare dclk\n");
1417 goto err_put_pm_runtime;
1420 /* Enable both the hclk and aclk to setup the vop */
1421 ret = clk_prepare_enable(vop->hclk);
1423 dev_err(vop->dev, "failed to prepare/enable hclk\n");
1424 goto err_unprepare_dclk;
1427 ret = clk_prepare_enable(vop->aclk);
1429 dev_err(vop->dev, "failed to prepare/enable aclk\n");
1430 goto err_disable_hclk;
1434 * do hclk_reset, reset all vop registers.
1436 ahb_rst = devm_reset_control_get(vop->dev, "ahb");
1437 if (IS_ERR(ahb_rst)) {
1438 dev_err(vop->dev, "failed to get ahb reset\n");
1439 ret = PTR_ERR(ahb_rst);
1440 goto err_disable_aclk;
1442 reset_control_assert(ahb_rst);
1443 usleep_range(10, 20);
1444 reset_control_deassert(ahb_rst);
1446 memcpy(vop->regsbak, vop->regs, vop->len);
1448 for (i = 0; i < vop_data->table_size; i++)
1449 vop_writel(vop, init_table[i].offset, init_table[i].value);
1451 for (i = 0; i < vop_data->win_size; i++) {
1452 const struct vop_win_data *win = &vop_data->win[i];
1454 VOP_WIN_SET(vop, win, enable, 0);
1460 * do dclk_reset, let all config take affect.
1462 vop->dclk_rst = devm_reset_control_get(vop->dev, "dclk");
1463 if (IS_ERR(vop->dclk_rst)) {
1464 dev_err(vop->dev, "failed to get dclk reset\n");
1465 ret = PTR_ERR(vop->dclk_rst);
1466 goto err_disable_aclk;
1468 reset_control_assert(vop->dclk_rst);
1469 usleep_range(10, 20);
1470 reset_control_deassert(vop->dclk_rst);
1472 clk_disable(vop->hclk);
1473 clk_disable(vop->aclk);
1475 vop->is_enabled = false;
1477 pm_runtime_put_sync(vop->dev);
1482 clk_disable_unprepare(vop->aclk);
1484 clk_disable_unprepare(vop->hclk);
1486 clk_unprepare(vop->dclk);
1488 pm_runtime_put_sync(vop->dev);
1493 * Initialize the vop->win array elements.
1495 static void vop_win_init(struct vop *vop)
1497 const struct vop_data *vop_data = vop->data;
1500 for (i = 0; i < vop_data->win_size; i++) {
1501 struct vop_win *vop_win = &vop->win[i];
1502 const struct vop_win_data *win_data = &vop_data->win[i];
1504 vop_win->data = win_data;
1510 * rockchip_drm_wait_line_flag - acqiure the give line flag event
1511 * @crtc: CRTC to enable line flag
1512 * @line_num: interested line number
1513 * @mstimeout: millisecond for timeout
1515 * Driver would hold here until the interested line flag interrupt have
1516 * happened or timeout to wait.
1519 * Zero on success, negative errno on failure.
1521 int rockchip_drm_wait_line_flag(struct drm_crtc *crtc, unsigned int line_num,
1522 unsigned int mstimeout)
1524 struct vop *vop = to_vop(crtc);
1525 unsigned long jiffies_left;
1527 if (!crtc || !vop->is_enabled)
1530 if (line_num > crtc->mode.vtotal || mstimeout <= 0)
1533 if (vop_line_flag_irq_is_enabled(vop))
1536 reinit_completion(&vop->line_flag_completion);
1537 vop_line_flag_irq_enable(vop, line_num);
1539 jiffies_left = wait_for_completion_timeout(&vop->line_flag_completion,
1540 msecs_to_jiffies(mstimeout));
1541 vop_line_flag_irq_disable(vop);
1543 if (jiffies_left == 0) {
1544 dev_err(vop->dev, "Timeout waiting for IRQ\n");
1550 EXPORT_SYMBOL(rockchip_drm_wait_line_flag);
1552 static int vop_bind(struct device *dev, struct device *master, void *data)
1554 struct platform_device *pdev = to_platform_device(dev);
1555 const struct vop_data *vop_data;
1556 struct drm_device *drm_dev = data;
1558 struct resource *res;
1562 vop_data = of_device_get_match_data(dev);
1566 /* Allocate vop struct and its vop_win array */
1567 alloc_size = sizeof(*vop) + sizeof(*vop->win) * vop_data->win_size;
1568 vop = devm_kzalloc(dev, alloc_size, GFP_KERNEL);
1573 vop->data = vop_data;
1574 vop->drm_dev = drm_dev;
1575 dev_set_drvdata(dev, vop);
1579 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1580 vop->len = resource_size(res);
1581 vop->regs = devm_ioremap_resource(dev, res);
1582 if (IS_ERR(vop->regs))
1583 return PTR_ERR(vop->regs);
1585 vop->regsbak = devm_kzalloc(dev, vop->len, GFP_KERNEL);
1589 irq = platform_get_irq(pdev, 0);
1591 dev_err(dev, "cannot find irq for vop\n");
1594 vop->irq = (unsigned int)irq;
1596 spin_lock_init(&vop->reg_lock);
1597 spin_lock_init(&vop->irq_lock);
1599 mutex_init(&vop->vsync_mutex);
1601 ret = devm_request_irq(dev, vop->irq, vop_isr,
1602 IRQF_SHARED, dev_name(dev), vop);
1606 /* IRQ is initially disabled; it gets enabled in power_on */
1607 disable_irq(vop->irq);
1609 ret = vop_create_crtc(vop);
1611 goto err_enable_irq;
1613 pm_runtime_enable(&pdev->dev);
1615 ret = vop_initial(vop);
1617 dev_err(&pdev->dev, "cannot initial vop dev - err %d\n", ret);
1618 goto err_disable_pm_runtime;
1623 err_disable_pm_runtime:
1624 pm_runtime_disable(&pdev->dev);
1625 vop_destroy_crtc(vop);
1627 enable_irq(vop->irq); /* To balance out the disable_irq above */
1631 static void vop_unbind(struct device *dev, struct device *master, void *data)
1633 struct vop *vop = dev_get_drvdata(dev);
1635 pm_runtime_disable(dev);
1636 vop_destroy_crtc(vop);
1638 clk_unprepare(vop->aclk);
1639 clk_unprepare(vop->hclk);
1640 clk_unprepare(vop->dclk);
1643 const struct component_ops vop_component_ops = {
1645 .unbind = vop_unbind,
1647 EXPORT_SYMBOL_GPL(vop_component_ops);