1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
4 * Author:Mark Yao <mark.yao@rock-chips.com>
9 #include <drm/drm_atomic.h>
10 #include <drm/drm_atomic_uapi.h>
11 #include <drm/drm_crtc.h>
12 #include <drm/drm_flip_work.h>
13 #include <drm/drm_gem_framebuffer_helper.h>
14 #include <drm/drm_plane_helper.h>
15 #include <drm/drm_probe_helper.h>
16 #ifdef CONFIG_DRM_ANALOGIX_DP
17 #include <drm/bridge/analogix_dp.h>
20 #include <linux/kernel.h>
21 #include <linux/module.h>
22 #include <linux/platform_device.h>
23 #include <linux/clk.h>
24 #include <linux/iopoll.h>
26 #include <linux/of_device.h>
27 #include <linux/pm_runtime.h>
28 #include <linux/component.h>
29 #include <linux/overflow.h>
31 #include <linux/reset.h>
32 #include <linux/delay.h>
34 #include "rockchip_drm_drv.h"
35 #include "rockchip_drm_gem.h"
36 #include "rockchip_drm_fb.h"
37 #include "rockchip_drm_psr.h"
38 #include "rockchip_drm_vop.h"
39 #include "rockchip_rgb.h"
41 #define VOP_WIN_SET(vop, win, name, v) \
42 vop_reg_set(vop, &win->phy->name, win->base, ~0, v, #name)
43 #define VOP_SCL_SET(vop, win, name, v) \
44 vop_reg_set(vop, &win->phy->scl->name, win->base, ~0, v, #name)
45 #define VOP_SCL_SET_EXT(vop, win, name, v) \
46 vop_reg_set(vop, &win->phy->scl->ext->name, \
47 win->base, ~0, v, #name)
49 #define VOP_WIN_YUV2YUV_SET(vop, win_yuv2yuv, name, v) \
51 if (win_yuv2yuv && win_yuv2yuv->name.mask) \
52 vop_reg_set(vop, &win_yuv2yuv->name, 0, ~0, v, #name); \
55 #define VOP_WIN_YUV2YUV_COEFFICIENT_SET(vop, win_yuv2yuv, name, v) \
57 if (win_yuv2yuv && win_yuv2yuv->phy->name.mask) \
58 vop_reg_set(vop, &win_yuv2yuv->phy->name, win_yuv2yuv->base, ~0, v, #name); \
61 #define VOP_INTR_SET_MASK(vop, name, mask, v) \
62 vop_reg_set(vop, &vop->data->intr->name, 0, mask, v, #name)
64 #define VOP_REG_SET(vop, group, name, v) \
65 vop_reg_set(vop, &vop->data->group->name, 0, ~0, v, #name)
67 #define VOP_INTR_SET_TYPE(vop, name, type, v) \
69 int i, reg = 0, mask = 0; \
70 for (i = 0; i < vop->data->intr->nintrs; i++) { \
71 if (vop->data->intr->intrs[i] & type) { \
76 VOP_INTR_SET_MASK(vop, name, mask, reg); \
78 #define VOP_INTR_GET_TYPE(vop, name, type) \
79 vop_get_intr_type(vop, &vop->data->intr->name, type)
81 #define VOP_WIN_GET(vop, win, name) \
82 vop_read_reg(vop, win->offset, win->phy->name)
84 #define VOP_WIN_HAS_REG(win, name) \
85 (!!(win->phy->name.mask))
87 #define VOP_WIN_GET_YRGBADDR(vop, win) \
88 vop_readl(vop, win->base + win->phy->yrgb_mst.offset)
90 #define VOP_WIN_TO_INDEX(vop_win) \
91 ((vop_win) - (vop_win)->vop->win)
93 #define to_vop(x) container_of(x, struct vop, crtc)
94 #define to_vop_win(x) container_of(x, struct vop_win, base)
97 * The coefficients of the following matrix are all fixed points.
98 * The format is S2.10 for the 3x3 part of the matrix, and S9.12 for the offsets.
99 * They are all represented in two's complement.
101 static const uint32_t bt601_yuv2rgb[] = {
103 0x4A8, 0x1E6F, 0x1CBF,
105 0x321168, 0x0877CF, 0x2EB127
109 VOP_PENDING_FB_UNREF,
113 struct drm_plane base;
114 const struct vop_win_data *data;
115 const struct vop_win_yuv2yuv_data *yuv2yuv_data;
121 struct drm_crtc crtc;
123 struct drm_device *drm_dev;
126 struct completion dsp_hold_completion;
128 /* protected by dev->event_lock */
129 struct drm_pending_vblank_event *event;
131 struct drm_flip_work fb_unref_work;
132 unsigned long pending;
134 struct completion line_flag_completion;
136 const struct vop_data *data;
141 /* physical map length of vop register */
144 /* one time only one process allowed to config the register */
146 /* lock vop irq reg */
148 /* protects crtc enable/disable */
149 struct mutex vop_lock;
157 /* vop share memory frequency */
161 struct reset_control *dclk_rst;
163 /* optional internal rgb encoder */
164 struct rockchip_rgb *rgb;
166 struct vop_win win[];
169 static inline void vop_writel(struct vop *vop, uint32_t offset, uint32_t v)
171 writel(v, vop->regs + offset);
172 vop->regsbak[offset >> 2] = v;
175 static inline uint32_t vop_readl(struct vop *vop, uint32_t offset)
177 return readl(vop->regs + offset);
180 static inline uint32_t vop_read_reg(struct vop *vop, uint32_t base,
181 const struct vop_reg *reg)
183 return (vop_readl(vop, base + reg->offset) >> reg->shift) & reg->mask;
186 static void vop_reg_set(struct vop *vop, const struct vop_reg *reg,
187 uint32_t _offset, uint32_t _mask, uint32_t v,
188 const char *reg_name)
190 int offset, mask, shift;
192 if (!reg || !reg->mask) {
193 DRM_DEV_DEBUG(vop->dev, "Warning: not support %s\n", reg_name);
197 offset = reg->offset + _offset;
198 mask = reg->mask & _mask;
201 if (reg->write_mask) {
202 v = ((v << shift) & 0xffff) | (mask << (shift + 16));
204 uint32_t cached_val = vop->regsbak[offset >> 2];
206 v = (cached_val & ~(mask << shift)) | ((v & mask) << shift);
207 vop->regsbak[offset >> 2] = v;
211 writel_relaxed(v, vop->regs + offset);
213 writel(v, vop->regs + offset);
216 static inline uint32_t vop_get_intr_type(struct vop *vop,
217 const struct vop_reg *reg, int type)
220 uint32_t regs = vop_read_reg(vop, 0, reg);
222 for (i = 0; i < vop->data->intr->nintrs; i++) {
223 if ((type & vop->data->intr->intrs[i]) && (regs & 1 << i))
224 ret |= vop->data->intr->intrs[i];
230 static inline void vop_cfg_done(struct vop *vop)
232 VOP_REG_SET(vop, common, cfg_done, 1);
235 static bool has_rb_swapped(uint32_t format)
238 case DRM_FORMAT_XBGR8888:
239 case DRM_FORMAT_ABGR8888:
240 case DRM_FORMAT_BGR888:
241 case DRM_FORMAT_BGR565:
248 static enum vop_data_format vop_convert_format(uint32_t format)
251 case DRM_FORMAT_XRGB8888:
252 case DRM_FORMAT_ARGB8888:
253 case DRM_FORMAT_XBGR8888:
254 case DRM_FORMAT_ABGR8888:
255 return VOP_FMT_ARGB8888;
256 case DRM_FORMAT_RGB888:
257 case DRM_FORMAT_BGR888:
258 return VOP_FMT_RGB888;
259 case DRM_FORMAT_RGB565:
260 case DRM_FORMAT_BGR565:
261 return VOP_FMT_RGB565;
262 case DRM_FORMAT_NV12:
263 return VOP_FMT_YUV420SP;
264 case DRM_FORMAT_NV16:
265 return VOP_FMT_YUV422SP;
266 case DRM_FORMAT_NV24:
267 return VOP_FMT_YUV444SP;
269 DRM_ERROR("unsupported format[%08x]\n", format);
274 static uint16_t scl_vop_cal_scale(enum scale_mode mode, uint32_t src,
275 uint32_t dst, bool is_horizontal,
276 int vsu_mode, int *vskiplines)
278 uint16_t val = 1 << SCL_FT_DEFAULT_FIXPOINT_SHIFT;
284 if (mode == SCALE_UP)
285 val = GET_SCL_FT_BIC(src, dst);
286 else if (mode == SCALE_DOWN)
287 val = GET_SCL_FT_BILI_DN(src, dst);
289 if (mode == SCALE_UP) {
290 if (vsu_mode == SCALE_UP_BIL)
291 val = GET_SCL_FT_BILI_UP(src, dst);
293 val = GET_SCL_FT_BIC(src, dst);
294 } else if (mode == SCALE_DOWN) {
296 *vskiplines = scl_get_vskiplines(src, dst);
297 val = scl_get_bili_dn_vskip(src, dst,
300 val = GET_SCL_FT_BILI_DN(src, dst);
308 static void scl_vop_cal_scl_fac(struct vop *vop, const struct vop_win_data *win,
309 uint32_t src_w, uint32_t src_h, uint32_t dst_w,
310 uint32_t dst_h, uint32_t pixel_format)
312 uint16_t yrgb_hor_scl_mode, yrgb_ver_scl_mode;
313 uint16_t cbcr_hor_scl_mode = SCALE_NONE;
314 uint16_t cbcr_ver_scl_mode = SCALE_NONE;
315 int hsub = drm_format_horz_chroma_subsampling(pixel_format);
316 int vsub = drm_format_vert_chroma_subsampling(pixel_format);
317 const struct drm_format_info *info;
319 uint16_t cbcr_src_w = src_w / hsub;
320 uint16_t cbcr_src_h = src_h / vsub;
326 info = drm_format_info(pixel_format);
332 DRM_DEV_ERROR(vop->dev, "Maximum dst width (3840) exceeded\n");
336 if (!win->phy->scl->ext) {
337 VOP_SCL_SET(vop, win, scale_yrgb_x,
338 scl_cal_scale2(src_w, dst_w));
339 VOP_SCL_SET(vop, win, scale_yrgb_y,
340 scl_cal_scale2(src_h, dst_h));
342 VOP_SCL_SET(vop, win, scale_cbcr_x,
343 scl_cal_scale2(cbcr_src_w, dst_w));
344 VOP_SCL_SET(vop, win, scale_cbcr_y,
345 scl_cal_scale2(cbcr_src_h, dst_h));
350 yrgb_hor_scl_mode = scl_get_scl_mode(src_w, dst_w);
351 yrgb_ver_scl_mode = scl_get_scl_mode(src_h, dst_h);
354 cbcr_hor_scl_mode = scl_get_scl_mode(cbcr_src_w, dst_w);
355 cbcr_ver_scl_mode = scl_get_scl_mode(cbcr_src_h, dst_h);
356 if (cbcr_hor_scl_mode == SCALE_DOWN)
357 lb_mode = scl_vop_cal_lb_mode(dst_w, true);
359 lb_mode = scl_vop_cal_lb_mode(cbcr_src_w, true);
361 if (yrgb_hor_scl_mode == SCALE_DOWN)
362 lb_mode = scl_vop_cal_lb_mode(dst_w, false);
364 lb_mode = scl_vop_cal_lb_mode(src_w, false);
367 VOP_SCL_SET_EXT(vop, win, lb_mode, lb_mode);
368 if (lb_mode == LB_RGB_3840X2) {
369 if (yrgb_ver_scl_mode != SCALE_NONE) {
370 DRM_DEV_ERROR(vop->dev, "not allow yrgb ver scale\n");
373 if (cbcr_ver_scl_mode != SCALE_NONE) {
374 DRM_DEV_ERROR(vop->dev, "not allow cbcr ver scale\n");
377 vsu_mode = SCALE_UP_BIL;
378 } else if (lb_mode == LB_RGB_2560X4) {
379 vsu_mode = SCALE_UP_BIL;
381 vsu_mode = SCALE_UP_BIC;
384 val = scl_vop_cal_scale(yrgb_hor_scl_mode, src_w, dst_w,
386 VOP_SCL_SET(vop, win, scale_yrgb_x, val);
387 val = scl_vop_cal_scale(yrgb_ver_scl_mode, src_h, dst_h,
388 false, vsu_mode, &vskiplines);
389 VOP_SCL_SET(vop, win, scale_yrgb_y, val);
391 VOP_SCL_SET_EXT(vop, win, vsd_yrgb_gt4, vskiplines == 4);
392 VOP_SCL_SET_EXT(vop, win, vsd_yrgb_gt2, vskiplines == 2);
394 VOP_SCL_SET_EXT(vop, win, yrgb_hor_scl_mode, yrgb_hor_scl_mode);
395 VOP_SCL_SET_EXT(vop, win, yrgb_ver_scl_mode, yrgb_ver_scl_mode);
396 VOP_SCL_SET_EXT(vop, win, yrgb_hsd_mode, SCALE_DOWN_BIL);
397 VOP_SCL_SET_EXT(vop, win, yrgb_vsd_mode, SCALE_DOWN_BIL);
398 VOP_SCL_SET_EXT(vop, win, yrgb_vsu_mode, vsu_mode);
400 val = scl_vop_cal_scale(cbcr_hor_scl_mode, cbcr_src_w,
401 dst_w, true, 0, NULL);
402 VOP_SCL_SET(vop, win, scale_cbcr_x, val);
403 val = scl_vop_cal_scale(cbcr_ver_scl_mode, cbcr_src_h,
404 dst_h, false, vsu_mode, &vskiplines);
405 VOP_SCL_SET(vop, win, scale_cbcr_y, val);
407 VOP_SCL_SET_EXT(vop, win, vsd_cbcr_gt4, vskiplines == 4);
408 VOP_SCL_SET_EXT(vop, win, vsd_cbcr_gt2, vskiplines == 2);
409 VOP_SCL_SET_EXT(vop, win, cbcr_hor_scl_mode, cbcr_hor_scl_mode);
410 VOP_SCL_SET_EXT(vop, win, cbcr_ver_scl_mode, cbcr_ver_scl_mode);
411 VOP_SCL_SET_EXT(vop, win, cbcr_hsd_mode, SCALE_DOWN_BIL);
412 VOP_SCL_SET_EXT(vop, win, cbcr_vsd_mode, SCALE_DOWN_BIL);
413 VOP_SCL_SET_EXT(vop, win, cbcr_vsu_mode, vsu_mode);
417 static void vop_dsp_hold_valid_irq_enable(struct vop *vop)
421 if (WARN_ON(!vop->is_enabled))
424 spin_lock_irqsave(&vop->irq_lock, flags);
426 VOP_INTR_SET_TYPE(vop, clear, DSP_HOLD_VALID_INTR, 1);
427 VOP_INTR_SET_TYPE(vop, enable, DSP_HOLD_VALID_INTR, 1);
429 spin_unlock_irqrestore(&vop->irq_lock, flags);
432 static void vop_dsp_hold_valid_irq_disable(struct vop *vop)
436 if (WARN_ON(!vop->is_enabled))
439 spin_lock_irqsave(&vop->irq_lock, flags);
441 VOP_INTR_SET_TYPE(vop, enable, DSP_HOLD_VALID_INTR, 0);
443 spin_unlock_irqrestore(&vop->irq_lock, flags);
447 * (1) each frame starts at the start of the Vsync pulse which is signaled by
448 * the "FRAME_SYNC" interrupt.
449 * (2) the active data region of each frame ends at dsp_vact_end
450 * (3) we should program this same number (dsp_vact_end) into dsp_line_frag_num,
451 * to get "LINE_FLAG" interrupt at the end of the active on screen data.
453 * VOP_INTR_CTRL0.dsp_line_frag_num = VOP_DSP_VACT_ST_END.dsp_vact_end
455 * LINE_FLAG -------------------------------+
459 * | Vsync | Vbp | Vactive | Vfp |
463 * dsp_vs_end ------------+ | | | VOP_DSP_VTOTAL_VS_END
464 * dsp_vact_start --------------+ | | VOP_DSP_VACT_ST_END
465 * dsp_vact_end ----------------------------+ | VOP_DSP_VACT_ST_END
466 * dsp_total -------------------------------------+ VOP_DSP_VTOTAL_VS_END
468 static bool vop_line_flag_irq_is_enabled(struct vop *vop)
470 uint32_t line_flag_irq;
473 spin_lock_irqsave(&vop->irq_lock, flags);
475 line_flag_irq = VOP_INTR_GET_TYPE(vop, enable, LINE_FLAG_INTR);
477 spin_unlock_irqrestore(&vop->irq_lock, flags);
479 return !!line_flag_irq;
482 static void vop_line_flag_irq_enable(struct vop *vop)
486 if (WARN_ON(!vop->is_enabled))
489 spin_lock_irqsave(&vop->irq_lock, flags);
491 VOP_INTR_SET_TYPE(vop, clear, LINE_FLAG_INTR, 1);
492 VOP_INTR_SET_TYPE(vop, enable, LINE_FLAG_INTR, 1);
494 spin_unlock_irqrestore(&vop->irq_lock, flags);
497 static void vop_line_flag_irq_disable(struct vop *vop)
501 if (WARN_ON(!vop->is_enabled))
504 spin_lock_irqsave(&vop->irq_lock, flags);
506 VOP_INTR_SET_TYPE(vop, enable, LINE_FLAG_INTR, 0);
508 spin_unlock_irqrestore(&vop->irq_lock, flags);
511 static int vop_core_clks_enable(struct vop *vop)
515 ret = clk_enable(vop->hclk);
519 ret = clk_enable(vop->aclk);
521 goto err_disable_hclk;
526 clk_disable(vop->hclk);
530 static void vop_core_clks_disable(struct vop *vop)
532 clk_disable(vop->aclk);
533 clk_disable(vop->hclk);
536 static void vop_win_disable(struct vop *vop, const struct vop_win_data *win)
538 if (win->phy->scl && win->phy->scl->ext) {
539 VOP_SCL_SET_EXT(vop, win, yrgb_hor_scl_mode, SCALE_NONE);
540 VOP_SCL_SET_EXT(vop, win, yrgb_ver_scl_mode, SCALE_NONE);
541 VOP_SCL_SET_EXT(vop, win, cbcr_hor_scl_mode, SCALE_NONE);
542 VOP_SCL_SET_EXT(vop, win, cbcr_ver_scl_mode, SCALE_NONE);
545 VOP_WIN_SET(vop, win, enable, 0);
548 static int vop_enable(struct drm_crtc *crtc)
550 struct vop *vop = to_vop(crtc);
553 ret = pm_runtime_get_sync(vop->dev);
555 DRM_DEV_ERROR(vop->dev, "failed to get pm runtime: %d\n", ret);
559 ret = vop_core_clks_enable(vop);
560 if (WARN_ON(ret < 0))
561 goto err_put_pm_runtime;
563 ret = clk_enable(vop->dclk);
564 if (WARN_ON(ret < 0))
565 goto err_disable_core;
568 * Slave iommu shares power, irq and clock with vop. It was associated
569 * automatically with this master device via common driver code.
570 * Now that we have enabled the clock we attach it to the shared drm
573 ret = rockchip_drm_dma_attach_device(vop->drm_dev, vop->dev);
575 DRM_DEV_ERROR(vop->dev,
576 "failed to attach dma mapping, %d\n", ret);
577 goto err_disable_dclk;
580 spin_lock(&vop->reg_lock);
581 for (i = 0; i < vop->len; i += 4)
582 writel_relaxed(vop->regsbak[i / 4], vop->regs + i);
585 * We need to make sure that all windows are disabled before we
586 * enable the crtc. Otherwise we might try to scan from a destroyed
589 for (i = 0; i < vop->data->win_size; i++) {
590 struct vop_win *vop_win = &vop->win[i];
591 const struct vop_win_data *win = vop_win->data;
593 vop_win_disable(vop, win);
595 spin_unlock(&vop->reg_lock);
600 * At here, vop clock & iommu is enable, R/W vop regs would be safe.
602 vop->is_enabled = true;
604 spin_lock(&vop->reg_lock);
606 VOP_REG_SET(vop, common, standby, 1);
608 spin_unlock(&vop->reg_lock);
610 drm_crtc_vblank_on(crtc);
615 clk_disable(vop->dclk);
617 vop_core_clks_disable(vop);
619 pm_runtime_put_sync(vop->dev);
623 static void vop_crtc_atomic_disable(struct drm_crtc *crtc,
624 struct drm_crtc_state *old_state)
626 struct vop *vop = to_vop(crtc);
630 mutex_lock(&vop->vop_lock);
631 drm_crtc_vblank_off(crtc);
634 * Vop standby will take effect at end of current frame,
635 * if dsp hold valid irq happen, it means standby complete.
637 * we must wait standby complete when we want to disable aclk,
638 * if not, memory bus maybe dead.
640 reinit_completion(&vop->dsp_hold_completion);
641 vop_dsp_hold_valid_irq_enable(vop);
643 spin_lock(&vop->reg_lock);
645 VOP_REG_SET(vop, common, standby, 1);
647 spin_unlock(&vop->reg_lock);
649 wait_for_completion(&vop->dsp_hold_completion);
651 vop_dsp_hold_valid_irq_disable(vop);
653 vop->is_enabled = false;
656 * vop standby complete, so iommu detach is safe.
658 rockchip_drm_dma_detach_device(vop->drm_dev, vop->dev);
660 clk_disable(vop->dclk);
661 vop_core_clks_disable(vop);
662 pm_runtime_put(vop->dev);
663 mutex_unlock(&vop->vop_lock);
665 if (crtc->state->event && !crtc->state->active) {
666 spin_lock_irq(&crtc->dev->event_lock);
667 drm_crtc_send_vblank_event(crtc, crtc->state->event);
668 spin_unlock_irq(&crtc->dev->event_lock);
670 crtc->state->event = NULL;
674 static void vop_plane_destroy(struct drm_plane *plane)
676 drm_plane_cleanup(plane);
679 static int vop_plane_atomic_check(struct drm_plane *plane,
680 struct drm_plane_state *state)
682 struct drm_crtc *crtc = state->crtc;
683 struct drm_crtc_state *crtc_state;
684 struct drm_framebuffer *fb = state->fb;
685 struct vop_win *vop_win = to_vop_win(plane);
686 const struct vop_win_data *win = vop_win->data;
688 int min_scale = win->phy->scl ? FRAC_16_16(1, 8) :
689 DRM_PLANE_HELPER_NO_SCALING;
690 int max_scale = win->phy->scl ? FRAC_16_16(8, 1) :
691 DRM_PLANE_HELPER_NO_SCALING;
696 crtc_state = drm_atomic_get_existing_crtc_state(state->state, crtc);
697 if (WARN_ON(!crtc_state))
700 ret = drm_atomic_helper_check_plane_state(state, crtc_state,
701 min_scale, max_scale,
709 ret = vop_convert_format(fb->format->format);
714 * Src.x1 can be odd when do clip, but yuv plane start point
715 * need align with 2 pixel.
717 if (fb->format->is_yuv && ((state->src.x1 >> 16) % 2)) {
718 DRM_ERROR("Invalid Source: Yuv format not support odd xpos\n");
722 if (fb->format->is_yuv && state->rotation & DRM_MODE_REFLECT_Y) {
723 DRM_ERROR("Invalid Source: Yuv format does not support this rotation\n");
730 static void vop_plane_atomic_disable(struct drm_plane *plane,
731 struct drm_plane_state *old_state)
733 struct vop_win *vop_win = to_vop_win(plane);
734 const struct vop_win_data *win = vop_win->data;
735 struct vop *vop = to_vop(old_state->crtc);
737 if (!old_state->crtc)
740 spin_lock(&vop->reg_lock);
742 vop_win_disable(vop, win);
744 spin_unlock(&vop->reg_lock);
747 static void vop_plane_atomic_update(struct drm_plane *plane,
748 struct drm_plane_state *old_state)
750 struct drm_plane_state *state = plane->state;
751 struct drm_crtc *crtc = state->crtc;
752 struct vop_win *vop_win = to_vop_win(plane);
753 const struct vop_win_data *win = vop_win->data;
754 const struct vop_win_yuv2yuv_data *win_yuv2yuv = vop_win->yuv2yuv_data;
755 struct vop *vop = to_vop(state->crtc);
756 struct drm_framebuffer *fb = state->fb;
757 unsigned int actual_w, actual_h;
758 unsigned int dsp_stx, dsp_sty;
759 uint32_t act_info, dsp_info, dsp_st;
760 struct drm_rect *src = &state->src;
761 struct drm_rect *dest = &state->dst;
762 struct drm_gem_object *obj, *uv_obj;
763 struct rockchip_gem_object *rk_obj, *rk_uv_obj;
764 unsigned long offset;
768 int win_index = VOP_WIN_TO_INDEX(vop_win);
770 int is_yuv = fb->format->is_yuv;
774 * can't update plane when vop is disabled.
779 if (WARN_ON(!vop->is_enabled))
782 if (!state->visible) {
783 vop_plane_atomic_disable(plane, old_state);
788 rk_obj = to_rockchip_obj(obj);
790 actual_w = drm_rect_width(src) >> 16;
791 actual_h = drm_rect_height(src) >> 16;
792 act_info = (actual_h - 1) << 16 | ((actual_w - 1) & 0xffff);
794 dsp_info = (drm_rect_height(dest) - 1) << 16;
795 dsp_info |= (drm_rect_width(dest) - 1) & 0xffff;
797 dsp_stx = dest->x1 + crtc->mode.htotal - crtc->mode.hsync_start;
798 dsp_sty = dest->y1 + crtc->mode.vtotal - crtc->mode.vsync_start;
799 dsp_st = dsp_sty << 16 | (dsp_stx & 0xffff);
801 offset = (src->x1 >> 16) * fb->format->cpp[0];
802 offset += (src->y1 >> 16) * fb->pitches[0];
803 dma_addr = rk_obj->dma_addr + offset + fb->offsets[0];
806 * For y-mirroring we need to move address
807 * to the beginning of the last line.
809 if (state->rotation & DRM_MODE_REFLECT_Y)
810 dma_addr += (actual_h - 1) * fb->pitches[0];
812 format = vop_convert_format(fb->format->format);
814 spin_lock(&vop->reg_lock);
816 VOP_WIN_SET(vop, win, format, format);
817 VOP_WIN_SET(vop, win, yrgb_vir, DIV_ROUND_UP(fb->pitches[0], 4));
818 VOP_WIN_SET(vop, win, yrgb_mst, dma_addr);
819 VOP_WIN_YUV2YUV_SET(vop, win_yuv2yuv, y2r_en, is_yuv);
820 VOP_WIN_SET(vop, win, y_mir_en,
821 (state->rotation & DRM_MODE_REFLECT_Y) ? 1 : 0);
822 VOP_WIN_SET(vop, win, x_mir_en,
823 (state->rotation & DRM_MODE_REFLECT_X) ? 1 : 0);
826 int hsub = drm_format_horz_chroma_subsampling(fb->format->format);
827 int vsub = drm_format_vert_chroma_subsampling(fb->format->format);
828 int bpp = fb->format->cpp[1];
831 rk_uv_obj = to_rockchip_obj(uv_obj);
833 offset = (src->x1 >> 16) * bpp / hsub;
834 offset += (src->y1 >> 16) * fb->pitches[1] / vsub;
836 dma_addr = rk_uv_obj->dma_addr + offset + fb->offsets[1];
837 VOP_WIN_SET(vop, win, uv_vir, DIV_ROUND_UP(fb->pitches[1], 4));
838 VOP_WIN_SET(vop, win, uv_mst, dma_addr);
840 for (i = 0; i < NUM_YUV2YUV_COEFFICIENTS; i++) {
841 VOP_WIN_YUV2YUV_COEFFICIENT_SET(vop,
849 scl_vop_cal_scl_fac(vop, win, actual_w, actual_h,
850 drm_rect_width(dest), drm_rect_height(dest),
853 VOP_WIN_SET(vop, win, act_info, act_info);
854 VOP_WIN_SET(vop, win, dsp_info, dsp_info);
855 VOP_WIN_SET(vop, win, dsp_st, dsp_st);
857 rb_swap = has_rb_swapped(fb->format->format);
858 VOP_WIN_SET(vop, win, rb_swap, rb_swap);
861 * Blending win0 with the background color doesn't seem to work
862 * correctly. We only get the background color, no matter the contents
863 * of the win0 framebuffer. However, blending pre-multiplied color
864 * with the default opaque black default background color is a no-op,
865 * so we can just disable blending to get the correct result.
867 if (fb->format->has_alpha && win_index > 0) {
868 VOP_WIN_SET(vop, win, dst_alpha_ctl,
869 DST_FACTOR_M0(ALPHA_SRC_INVERSE));
870 val = SRC_ALPHA_EN(1) | SRC_COLOR_M0(ALPHA_SRC_PRE_MUL) |
871 SRC_ALPHA_M0(ALPHA_STRAIGHT) |
872 SRC_BLEND_M0(ALPHA_PER_PIX) |
873 SRC_ALPHA_CAL_M0(ALPHA_NO_SATURATION) |
874 SRC_FACTOR_M0(ALPHA_ONE);
875 VOP_WIN_SET(vop, win, src_alpha_ctl, val);
877 VOP_WIN_SET(vop, win, src_alpha_ctl, SRC_ALPHA_EN(0));
880 VOP_WIN_SET(vop, win, enable, 1);
881 spin_unlock(&vop->reg_lock);
884 static int vop_plane_atomic_async_check(struct drm_plane *plane,
885 struct drm_plane_state *state)
887 struct vop_win *vop_win = to_vop_win(plane);
888 const struct vop_win_data *win = vop_win->data;
889 int min_scale = win->phy->scl ? FRAC_16_16(1, 8) :
890 DRM_PLANE_HELPER_NO_SCALING;
891 int max_scale = win->phy->scl ? FRAC_16_16(8, 1) :
892 DRM_PLANE_HELPER_NO_SCALING;
893 struct drm_crtc_state *crtc_state;
895 if (plane != state->crtc->cursor)
901 if (!plane->state->fb)
905 crtc_state = drm_atomic_get_existing_crtc_state(state->state,
907 else /* Special case for asynchronous cursor updates. */
908 crtc_state = plane->crtc->state;
910 return drm_atomic_helper_check_plane_state(plane->state, crtc_state,
911 min_scale, max_scale,
915 static void vop_plane_atomic_async_update(struct drm_plane *plane,
916 struct drm_plane_state *new_state)
918 struct vop *vop = to_vop(plane->state->crtc);
919 struct drm_framebuffer *old_fb = plane->state->fb;
921 plane->state->crtc_x = new_state->crtc_x;
922 plane->state->crtc_y = new_state->crtc_y;
923 plane->state->crtc_h = new_state->crtc_h;
924 plane->state->crtc_w = new_state->crtc_w;
925 plane->state->src_x = new_state->src_x;
926 plane->state->src_y = new_state->src_y;
927 plane->state->src_h = new_state->src_h;
928 plane->state->src_w = new_state->src_w;
929 swap(plane->state->fb, new_state->fb);
931 if (vop->is_enabled) {
932 rockchip_drm_psr_inhibit_get_state(new_state->state);
933 vop_plane_atomic_update(plane, plane->state);
934 spin_lock(&vop->reg_lock);
936 spin_unlock(&vop->reg_lock);
937 rockchip_drm_psr_inhibit_put_state(new_state->state);
940 * A scanout can still be occurring, so we can't drop the
941 * reference to the old framebuffer. To solve this we get a
942 * reference to old_fb and set a worker to release it later.
943 * FIXME: if we perform 500 async_update calls before the
944 * vblank, then we can have 500 different framebuffers waiting
947 if (old_fb && plane->state->fb != old_fb) {
948 drm_framebuffer_get(old_fb);
949 WARN_ON(drm_crtc_vblank_get(plane->state->crtc) != 0);
950 drm_flip_work_queue(&vop->fb_unref_work, old_fb);
951 set_bit(VOP_PENDING_FB_UNREF, &vop->pending);
956 static const struct drm_plane_helper_funcs plane_helper_funcs = {
957 .atomic_check = vop_plane_atomic_check,
958 .atomic_update = vop_plane_atomic_update,
959 .atomic_disable = vop_plane_atomic_disable,
960 .atomic_async_check = vop_plane_atomic_async_check,
961 .atomic_async_update = vop_plane_atomic_async_update,
962 .prepare_fb = drm_gem_fb_prepare_fb,
965 static const struct drm_plane_funcs vop_plane_funcs = {
966 .update_plane = drm_atomic_helper_update_plane,
967 .disable_plane = drm_atomic_helper_disable_plane,
968 .destroy = vop_plane_destroy,
969 .reset = drm_atomic_helper_plane_reset,
970 .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
971 .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
974 static int vop_crtc_enable_vblank(struct drm_crtc *crtc)
976 struct vop *vop = to_vop(crtc);
979 if (WARN_ON(!vop->is_enabled))
982 spin_lock_irqsave(&vop->irq_lock, flags);
984 VOP_INTR_SET_TYPE(vop, clear, FS_INTR, 1);
985 VOP_INTR_SET_TYPE(vop, enable, FS_INTR, 1);
987 spin_unlock_irqrestore(&vop->irq_lock, flags);
992 static void vop_crtc_disable_vblank(struct drm_crtc *crtc)
994 struct vop *vop = to_vop(crtc);
997 if (WARN_ON(!vop->is_enabled))
1000 spin_lock_irqsave(&vop->irq_lock, flags);
1002 VOP_INTR_SET_TYPE(vop, enable, FS_INTR, 0);
1004 spin_unlock_irqrestore(&vop->irq_lock, flags);
1007 static bool vop_crtc_mode_fixup(struct drm_crtc *crtc,
1008 const struct drm_display_mode *mode,
1009 struct drm_display_mode *adjusted_mode)
1011 struct vop *vop = to_vop(crtc);
1013 adjusted_mode->clock =
1014 clk_round_rate(vop->dclk, mode->clock * 1000) / 1000;
1019 static void vop_crtc_atomic_enable(struct drm_crtc *crtc,
1020 struct drm_crtc_state *old_state)
1022 struct vop *vop = to_vop(crtc);
1023 const struct vop_data *vop_data = vop->data;
1024 struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc->state);
1025 struct drm_display_mode *adjusted_mode = &crtc->state->adjusted_mode;
1026 u16 hsync_len = adjusted_mode->hsync_end - adjusted_mode->hsync_start;
1027 u16 hdisplay = adjusted_mode->hdisplay;
1028 u16 htotal = adjusted_mode->htotal;
1029 u16 hact_st = adjusted_mode->htotal - adjusted_mode->hsync_start;
1030 u16 hact_end = hact_st + hdisplay;
1031 u16 vdisplay = adjusted_mode->vdisplay;
1032 u16 vtotal = adjusted_mode->vtotal;
1033 u16 vsync_len = adjusted_mode->vsync_end - adjusted_mode->vsync_start;
1034 u16 vact_st = adjusted_mode->vtotal - adjusted_mode->vsync_start;
1035 u16 vact_end = vact_st + vdisplay;
1036 uint32_t pin_pol, val;
1037 int dither_bpc = s->output_bpc ? s->output_bpc : 10;
1040 mutex_lock(&vop->vop_lock);
1042 WARN_ON(vop->event);
1044 ret = vop_enable(crtc);
1046 mutex_unlock(&vop->vop_lock);
1047 DRM_DEV_ERROR(vop->dev, "Failed to enable vop (%d)\n", ret);
1051 pin_pol = BIT(DCLK_INVERT);
1052 pin_pol |= (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC) ?
1053 BIT(HSYNC_POSITIVE) : 0;
1054 pin_pol |= (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC) ?
1055 BIT(VSYNC_POSITIVE) : 0;
1056 VOP_REG_SET(vop, output, pin_pol, pin_pol);
1057 VOP_REG_SET(vop, output, mipi_dual_channel_en, 0);
1059 switch (s->output_type) {
1060 case DRM_MODE_CONNECTOR_LVDS:
1061 VOP_REG_SET(vop, output, rgb_en, 1);
1062 VOP_REG_SET(vop, output, rgb_pin_pol, pin_pol);
1064 case DRM_MODE_CONNECTOR_eDP:
1065 VOP_REG_SET(vop, output, edp_pin_pol, pin_pol);
1066 VOP_REG_SET(vop, output, edp_en, 1);
1068 case DRM_MODE_CONNECTOR_HDMIA:
1069 VOP_REG_SET(vop, output, hdmi_pin_pol, pin_pol);
1070 VOP_REG_SET(vop, output, hdmi_en, 1);
1072 case DRM_MODE_CONNECTOR_DSI:
1073 VOP_REG_SET(vop, output, mipi_pin_pol, pin_pol);
1074 VOP_REG_SET(vop, output, mipi_en, 1);
1075 VOP_REG_SET(vop, output, mipi_dual_channel_en,
1076 !!(s->output_flags & ROCKCHIP_OUTPUT_DSI_DUAL));
1078 case DRM_MODE_CONNECTOR_DisplayPort:
1079 pin_pol &= ~BIT(DCLK_INVERT);
1080 VOP_REG_SET(vop, output, dp_pin_pol, pin_pol);
1081 VOP_REG_SET(vop, output, dp_en, 1);
1084 DRM_DEV_ERROR(vop->dev, "unsupported connector_type [%d]\n",
1089 * if vop is not support RGB10 output, need force RGB10 to RGB888.
1091 if (s->output_mode == ROCKCHIP_OUT_MODE_AAAA &&
1092 !(vop_data->feature & VOP_FEATURE_OUTPUT_RGB10))
1093 s->output_mode = ROCKCHIP_OUT_MODE_P888;
1095 if (s->output_mode == ROCKCHIP_OUT_MODE_AAAA && dither_bpc <= 8)
1096 VOP_REG_SET(vop, common, pre_dither_down, 1);
1098 VOP_REG_SET(vop, common, pre_dither_down, 0);
1100 if (dither_bpc == 6) {
1101 VOP_REG_SET(vop, common, dither_down_sel, DITHER_DOWN_ALLEGRO);
1102 VOP_REG_SET(vop, common, dither_down_mode, RGB888_TO_RGB666);
1103 VOP_REG_SET(vop, common, dither_down_en, 1);
1105 VOP_REG_SET(vop, common, dither_down_en, 0);
1108 VOP_REG_SET(vop, common, out_mode, s->output_mode);
1110 VOP_REG_SET(vop, modeset, htotal_pw, (htotal << 16) | hsync_len);
1111 val = hact_st << 16;
1113 VOP_REG_SET(vop, modeset, hact_st_end, val);
1114 VOP_REG_SET(vop, modeset, hpost_st_end, val);
1116 VOP_REG_SET(vop, modeset, vtotal_pw, (vtotal << 16) | vsync_len);
1117 val = vact_st << 16;
1119 VOP_REG_SET(vop, modeset, vact_st_end, val);
1120 VOP_REG_SET(vop, modeset, vpost_st_end, val);
1122 VOP_REG_SET(vop, intr, line_flag_num[0], vact_end);
1124 clk_set_rate(vop->dclk, adjusted_mode->clock * 1000);
1126 VOP_REG_SET(vop, common, standby, 0);
1127 mutex_unlock(&vop->vop_lock);
1130 static bool vop_fs_irq_is_pending(struct vop *vop)
1132 return VOP_INTR_GET_TYPE(vop, status, FS_INTR);
1135 static void vop_wait_for_irq_handler(struct vop *vop)
1141 * Spin until frame start interrupt status bit goes low, which means
1142 * that interrupt handler was invoked and cleared it. The timeout of
1143 * 10 msecs is really too long, but it is just a safety measure if
1144 * something goes really wrong. The wait will only happen in the very
1145 * unlikely case of a vblank happening exactly at the same time and
1146 * shouldn't exceed microseconds range.
1148 ret = readx_poll_timeout_atomic(vop_fs_irq_is_pending, vop, pending,
1149 !pending, 0, 10 * 1000);
1151 DRM_DEV_ERROR(vop->dev, "VOP vblank IRQ stuck for 10 ms\n");
1153 synchronize_irq(vop->irq);
1156 static void vop_crtc_atomic_flush(struct drm_crtc *crtc,
1157 struct drm_crtc_state *old_crtc_state)
1159 struct drm_atomic_state *old_state = old_crtc_state->state;
1160 struct drm_plane_state *old_plane_state, *new_plane_state;
1161 struct vop *vop = to_vop(crtc);
1162 struct drm_plane *plane;
1165 if (WARN_ON(!vop->is_enabled))
1168 spin_lock(&vop->reg_lock);
1172 spin_unlock(&vop->reg_lock);
1175 * There is a (rather unlikely) possiblity that a vblank interrupt
1176 * fired before we set the cfg_done bit. To avoid spuriously
1177 * signalling flip completion we need to wait for it to finish.
1179 vop_wait_for_irq_handler(vop);
1181 spin_lock_irq(&crtc->dev->event_lock);
1182 if (crtc->state->event) {
1183 WARN_ON(drm_crtc_vblank_get(crtc) != 0);
1184 WARN_ON(vop->event);
1186 vop->event = crtc->state->event;
1187 crtc->state->event = NULL;
1189 spin_unlock_irq(&crtc->dev->event_lock);
1191 for_each_oldnew_plane_in_state(old_state, plane, old_plane_state,
1192 new_plane_state, i) {
1193 if (!old_plane_state->fb)
1196 if (old_plane_state->fb == new_plane_state->fb)
1199 drm_framebuffer_get(old_plane_state->fb);
1200 WARN_ON(drm_crtc_vblank_get(crtc) != 0);
1201 drm_flip_work_queue(&vop->fb_unref_work, old_plane_state->fb);
1202 set_bit(VOP_PENDING_FB_UNREF, &vop->pending);
1206 static const struct drm_crtc_helper_funcs vop_crtc_helper_funcs = {
1207 .mode_fixup = vop_crtc_mode_fixup,
1208 .atomic_flush = vop_crtc_atomic_flush,
1209 .atomic_enable = vop_crtc_atomic_enable,
1210 .atomic_disable = vop_crtc_atomic_disable,
1213 static void vop_crtc_destroy(struct drm_crtc *crtc)
1215 drm_crtc_cleanup(crtc);
1218 static void vop_crtc_reset(struct drm_crtc *crtc)
1221 __drm_atomic_helper_crtc_destroy_state(crtc->state);
1224 crtc->state = kzalloc(sizeof(struct rockchip_crtc_state), GFP_KERNEL);
1226 crtc->state->crtc = crtc;
1229 static struct drm_crtc_state *vop_crtc_duplicate_state(struct drm_crtc *crtc)
1231 struct rockchip_crtc_state *rockchip_state;
1233 rockchip_state = kzalloc(sizeof(*rockchip_state), GFP_KERNEL);
1234 if (!rockchip_state)
1237 __drm_atomic_helper_crtc_duplicate_state(crtc, &rockchip_state->base);
1238 return &rockchip_state->base;
1241 static void vop_crtc_destroy_state(struct drm_crtc *crtc,
1242 struct drm_crtc_state *state)
1244 struct rockchip_crtc_state *s = to_rockchip_crtc_state(state);
1246 __drm_atomic_helper_crtc_destroy_state(&s->base);
1250 #ifdef CONFIG_DRM_ANALOGIX_DP
1251 static struct drm_connector *vop_get_edp_connector(struct vop *vop)
1253 struct drm_connector *connector;
1254 struct drm_connector_list_iter conn_iter;
1256 drm_connector_list_iter_begin(vop->drm_dev, &conn_iter);
1257 drm_for_each_connector_iter(connector, &conn_iter) {
1258 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1259 drm_connector_list_iter_end(&conn_iter);
1263 drm_connector_list_iter_end(&conn_iter);
1268 static int vop_crtc_set_crc_source(struct drm_crtc *crtc,
1269 const char *source_name)
1271 struct vop *vop = to_vop(crtc);
1272 struct drm_connector *connector;
1275 connector = vop_get_edp_connector(vop);
1279 if (source_name && strcmp(source_name, "auto") == 0)
1280 ret = analogix_dp_start_crc(connector);
1281 else if (!source_name)
1282 ret = analogix_dp_stop_crc(connector);
1290 vop_crtc_verify_crc_source(struct drm_crtc *crtc, const char *source_name,
1293 if (source_name && strcmp(source_name, "auto") != 0)
1301 static int vop_crtc_set_crc_source(struct drm_crtc *crtc,
1302 const char *source_name)
1308 vop_crtc_verify_crc_source(struct drm_crtc *crtc, const char *source_name,
1315 static const struct drm_crtc_funcs vop_crtc_funcs = {
1316 .set_config = drm_atomic_helper_set_config,
1317 .page_flip = drm_atomic_helper_page_flip,
1318 .destroy = vop_crtc_destroy,
1319 .reset = vop_crtc_reset,
1320 .atomic_duplicate_state = vop_crtc_duplicate_state,
1321 .atomic_destroy_state = vop_crtc_destroy_state,
1322 .enable_vblank = vop_crtc_enable_vblank,
1323 .disable_vblank = vop_crtc_disable_vblank,
1324 .set_crc_source = vop_crtc_set_crc_source,
1325 .verify_crc_source = vop_crtc_verify_crc_source,
1328 static void vop_fb_unref_worker(struct drm_flip_work *work, void *val)
1330 struct vop *vop = container_of(work, struct vop, fb_unref_work);
1331 struct drm_framebuffer *fb = val;
1333 drm_crtc_vblank_put(&vop->crtc);
1334 drm_framebuffer_put(fb);
1337 static void vop_handle_vblank(struct vop *vop)
1339 struct drm_device *drm = vop->drm_dev;
1340 struct drm_crtc *crtc = &vop->crtc;
1342 spin_lock(&drm->event_lock);
1344 drm_crtc_send_vblank_event(crtc, vop->event);
1345 drm_crtc_vblank_put(crtc);
1348 spin_unlock(&drm->event_lock);
1350 if (test_and_clear_bit(VOP_PENDING_FB_UNREF, &vop->pending))
1351 drm_flip_work_commit(&vop->fb_unref_work, system_unbound_wq);
1354 static irqreturn_t vop_isr(int irq, void *data)
1356 struct vop *vop = data;
1357 struct drm_crtc *crtc = &vop->crtc;
1358 uint32_t active_irqs;
1362 * The irq is shared with the iommu. If the runtime-pm state of the
1363 * vop-device is disabled the irq has to be targeted at the iommu.
1365 if (!pm_runtime_get_if_in_use(vop->dev))
1368 if (vop_core_clks_enable(vop)) {
1369 DRM_DEV_ERROR_RATELIMITED(vop->dev, "couldn't enable clocks\n");
1374 * interrupt register has interrupt status, enable and clear bits, we
1375 * must hold irq_lock to avoid a race with enable/disable_vblank().
1377 spin_lock(&vop->irq_lock);
1379 active_irqs = VOP_INTR_GET_TYPE(vop, status, INTR_MASK);
1380 /* Clear all active interrupt sources */
1382 VOP_INTR_SET_TYPE(vop, clear, active_irqs, 1);
1384 spin_unlock(&vop->irq_lock);
1386 /* This is expected for vop iommu irqs, since the irq is shared */
1390 if (active_irqs & DSP_HOLD_VALID_INTR) {
1391 complete(&vop->dsp_hold_completion);
1392 active_irqs &= ~DSP_HOLD_VALID_INTR;
1396 if (active_irqs & LINE_FLAG_INTR) {
1397 complete(&vop->line_flag_completion);
1398 active_irqs &= ~LINE_FLAG_INTR;
1402 if (active_irqs & FS_INTR) {
1403 drm_crtc_handle_vblank(crtc);
1404 vop_handle_vblank(vop);
1405 active_irqs &= ~FS_INTR;
1409 /* Unhandled irqs are spurious. */
1411 DRM_DEV_ERROR(vop->dev, "Unknown VOP IRQs: %#02x\n",
1415 vop_core_clks_disable(vop);
1417 pm_runtime_put(vop->dev);
1421 static void vop_plane_add_properties(struct drm_plane *plane,
1422 const struct vop_win_data *win_data)
1424 unsigned int flags = 0;
1426 flags |= VOP_WIN_HAS_REG(win_data, x_mir_en) ? DRM_MODE_REFLECT_X : 0;
1427 flags |= VOP_WIN_HAS_REG(win_data, y_mir_en) ? DRM_MODE_REFLECT_Y : 0;
1429 drm_plane_create_rotation_property(plane, DRM_MODE_ROTATE_0,
1430 DRM_MODE_ROTATE_0 | flags);
1433 static int vop_create_crtc(struct vop *vop)
1435 const struct vop_data *vop_data = vop->data;
1436 struct device *dev = vop->dev;
1437 struct drm_device *drm_dev = vop->drm_dev;
1438 struct drm_plane *primary = NULL, *cursor = NULL, *plane, *tmp;
1439 struct drm_crtc *crtc = &vop->crtc;
1440 struct device_node *port;
1445 * Create drm_plane for primary and cursor planes first, since we need
1446 * to pass them to drm_crtc_init_with_planes, which sets the
1447 * "possible_crtcs" to the newly initialized crtc.
1449 for (i = 0; i < vop_data->win_size; i++) {
1450 struct vop_win *vop_win = &vop->win[i];
1451 const struct vop_win_data *win_data = vop_win->data;
1453 if (win_data->type != DRM_PLANE_TYPE_PRIMARY &&
1454 win_data->type != DRM_PLANE_TYPE_CURSOR)
1457 ret = drm_universal_plane_init(vop->drm_dev, &vop_win->base,
1458 0, &vop_plane_funcs,
1459 win_data->phy->data_formats,
1460 win_data->phy->nformats,
1461 NULL, win_data->type, NULL);
1463 DRM_DEV_ERROR(vop->dev, "failed to init plane %d\n",
1465 goto err_cleanup_planes;
1468 plane = &vop_win->base;
1469 drm_plane_helper_add(plane, &plane_helper_funcs);
1470 vop_plane_add_properties(plane, win_data);
1471 if (plane->type == DRM_PLANE_TYPE_PRIMARY)
1473 else if (plane->type == DRM_PLANE_TYPE_CURSOR)
1477 ret = drm_crtc_init_with_planes(drm_dev, crtc, primary, cursor,
1478 &vop_crtc_funcs, NULL);
1480 goto err_cleanup_planes;
1482 drm_crtc_helper_add(crtc, &vop_crtc_helper_funcs);
1485 * Create drm_planes for overlay windows with possible_crtcs restricted
1486 * to the newly created crtc.
1488 for (i = 0; i < vop_data->win_size; i++) {
1489 struct vop_win *vop_win = &vop->win[i];
1490 const struct vop_win_data *win_data = vop_win->data;
1491 unsigned long possible_crtcs = drm_crtc_mask(crtc);
1493 if (win_data->type != DRM_PLANE_TYPE_OVERLAY)
1496 ret = drm_universal_plane_init(vop->drm_dev, &vop_win->base,
1499 win_data->phy->data_formats,
1500 win_data->phy->nformats,
1501 NULL, win_data->type, NULL);
1503 DRM_DEV_ERROR(vop->dev, "failed to init overlay %d\n",
1505 goto err_cleanup_crtc;
1507 drm_plane_helper_add(&vop_win->base, &plane_helper_funcs);
1508 vop_plane_add_properties(&vop_win->base, win_data);
1511 port = of_get_child_by_name(dev->of_node, "port");
1513 DRM_DEV_ERROR(vop->dev, "no port node found in %pOF\n",
1516 goto err_cleanup_crtc;
1519 drm_flip_work_init(&vop->fb_unref_work, "fb_unref",
1520 vop_fb_unref_worker);
1522 init_completion(&vop->dsp_hold_completion);
1523 init_completion(&vop->line_flag_completion);
1529 drm_crtc_cleanup(crtc);
1531 list_for_each_entry_safe(plane, tmp, &drm_dev->mode_config.plane_list,
1533 drm_plane_cleanup(plane);
1537 static void vop_destroy_crtc(struct vop *vop)
1539 struct drm_crtc *crtc = &vop->crtc;
1540 struct drm_device *drm_dev = vop->drm_dev;
1541 struct drm_plane *plane, *tmp;
1543 of_node_put(crtc->port);
1546 * We need to cleanup the planes now. Why?
1548 * The planes are "&vop->win[i].base". That means the memory is
1549 * all part of the big "struct vop" chunk of memory. That memory
1550 * was devm allocated and associated with this component. We need to
1551 * free it ourselves before vop_unbind() finishes.
1553 list_for_each_entry_safe(plane, tmp, &drm_dev->mode_config.plane_list,
1555 vop_plane_destroy(plane);
1558 * Destroy CRTC after vop_plane_destroy() since vop_disable_plane()
1559 * references the CRTC.
1561 drm_crtc_cleanup(crtc);
1562 drm_flip_work_cleanup(&vop->fb_unref_work);
1565 static int vop_initial(struct vop *vop)
1567 const struct vop_data *vop_data = vop->data;
1568 struct reset_control *ahb_rst;
1571 vop->hclk = devm_clk_get(vop->dev, "hclk_vop");
1572 if (IS_ERR(vop->hclk)) {
1573 DRM_DEV_ERROR(vop->dev, "failed to get hclk source\n");
1574 return PTR_ERR(vop->hclk);
1576 vop->aclk = devm_clk_get(vop->dev, "aclk_vop");
1577 if (IS_ERR(vop->aclk)) {
1578 DRM_DEV_ERROR(vop->dev, "failed to get aclk source\n");
1579 return PTR_ERR(vop->aclk);
1581 vop->dclk = devm_clk_get(vop->dev, "dclk_vop");
1582 if (IS_ERR(vop->dclk)) {
1583 DRM_DEV_ERROR(vop->dev, "failed to get dclk source\n");
1584 return PTR_ERR(vop->dclk);
1587 ret = pm_runtime_get_sync(vop->dev);
1589 DRM_DEV_ERROR(vop->dev, "failed to get pm runtime: %d\n", ret);
1593 ret = clk_prepare(vop->dclk);
1595 DRM_DEV_ERROR(vop->dev, "failed to prepare dclk\n");
1596 goto err_put_pm_runtime;
1599 /* Enable both the hclk and aclk to setup the vop */
1600 ret = clk_prepare_enable(vop->hclk);
1602 DRM_DEV_ERROR(vop->dev, "failed to prepare/enable hclk\n");
1603 goto err_unprepare_dclk;
1606 ret = clk_prepare_enable(vop->aclk);
1608 DRM_DEV_ERROR(vop->dev, "failed to prepare/enable aclk\n");
1609 goto err_disable_hclk;
1613 * do hclk_reset, reset all vop registers.
1615 ahb_rst = devm_reset_control_get(vop->dev, "ahb");
1616 if (IS_ERR(ahb_rst)) {
1617 DRM_DEV_ERROR(vop->dev, "failed to get ahb reset\n");
1618 ret = PTR_ERR(ahb_rst);
1619 goto err_disable_aclk;
1621 reset_control_assert(ahb_rst);
1622 usleep_range(10, 20);
1623 reset_control_deassert(ahb_rst);
1625 VOP_INTR_SET_TYPE(vop, clear, INTR_MASK, 1);
1626 VOP_INTR_SET_TYPE(vop, enable, INTR_MASK, 0);
1628 for (i = 0; i < vop->len; i += sizeof(u32))
1629 vop->regsbak[i / 4] = readl_relaxed(vop->regs + i);
1631 VOP_REG_SET(vop, misc, global_regdone_en, 1);
1632 VOP_REG_SET(vop, common, dsp_blank, 0);
1634 for (i = 0; i < vop_data->win_size; i++) {
1635 const struct vop_win_data *win = &vop_data->win[i];
1636 int channel = i * 2 + 1;
1638 VOP_WIN_SET(vop, win, channel, (channel + 1) << 4 | channel);
1639 vop_win_disable(vop, win);
1640 VOP_WIN_SET(vop, win, gate, 1);
1646 * do dclk_reset, let all config take affect.
1648 vop->dclk_rst = devm_reset_control_get(vop->dev, "dclk");
1649 if (IS_ERR(vop->dclk_rst)) {
1650 DRM_DEV_ERROR(vop->dev, "failed to get dclk reset\n");
1651 ret = PTR_ERR(vop->dclk_rst);
1652 goto err_disable_aclk;
1654 reset_control_assert(vop->dclk_rst);
1655 usleep_range(10, 20);
1656 reset_control_deassert(vop->dclk_rst);
1658 clk_disable(vop->hclk);
1659 clk_disable(vop->aclk);
1661 vop->is_enabled = false;
1663 pm_runtime_put_sync(vop->dev);
1668 clk_disable_unprepare(vop->aclk);
1670 clk_disable_unprepare(vop->hclk);
1672 clk_unprepare(vop->dclk);
1674 pm_runtime_put_sync(vop->dev);
1679 * Initialize the vop->win array elements.
1681 static void vop_win_init(struct vop *vop)
1683 const struct vop_data *vop_data = vop->data;
1686 for (i = 0; i < vop_data->win_size; i++) {
1687 struct vop_win *vop_win = &vop->win[i];
1688 const struct vop_win_data *win_data = &vop_data->win[i];
1690 vop_win->data = win_data;
1693 if (vop_data->win_yuv2yuv)
1694 vop_win->yuv2yuv_data = &vop_data->win_yuv2yuv[i];
1699 * rockchip_drm_wait_vact_end
1700 * @crtc: CRTC to enable line flag
1701 * @mstimeout: millisecond for timeout
1703 * Wait for vact_end line flag irq or timeout.
1706 * Zero on success, negative errno on failure.
1708 int rockchip_drm_wait_vact_end(struct drm_crtc *crtc, unsigned int mstimeout)
1710 struct vop *vop = to_vop(crtc);
1711 unsigned long jiffies_left;
1714 if (!crtc || !vop->is_enabled)
1717 mutex_lock(&vop->vop_lock);
1718 if (mstimeout <= 0) {
1723 if (vop_line_flag_irq_is_enabled(vop)) {
1728 reinit_completion(&vop->line_flag_completion);
1729 vop_line_flag_irq_enable(vop);
1731 jiffies_left = wait_for_completion_timeout(&vop->line_flag_completion,
1732 msecs_to_jiffies(mstimeout));
1733 vop_line_flag_irq_disable(vop);
1735 if (jiffies_left == 0) {
1736 DRM_DEV_ERROR(vop->dev, "Timeout waiting for IRQ\n");
1742 mutex_unlock(&vop->vop_lock);
1745 EXPORT_SYMBOL(rockchip_drm_wait_vact_end);
1747 static int vop_bind(struct device *dev, struct device *master, void *data)
1749 struct platform_device *pdev = to_platform_device(dev);
1750 const struct vop_data *vop_data;
1751 struct drm_device *drm_dev = data;
1753 struct resource *res;
1756 vop_data = of_device_get_match_data(dev);
1760 /* Allocate vop struct and its vop_win array */
1761 vop = devm_kzalloc(dev, struct_size(vop, win, vop_data->win_size),
1767 vop->data = vop_data;
1768 vop->drm_dev = drm_dev;
1769 dev_set_drvdata(dev, vop);
1773 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1774 vop->len = resource_size(res);
1775 vop->regs = devm_ioremap_resource(dev, res);
1776 if (IS_ERR(vop->regs))
1777 return PTR_ERR(vop->regs);
1779 vop->regsbak = devm_kzalloc(dev, vop->len, GFP_KERNEL);
1783 irq = platform_get_irq(pdev, 0);
1785 DRM_DEV_ERROR(dev, "cannot find irq for vop\n");
1788 vop->irq = (unsigned int)irq;
1790 spin_lock_init(&vop->reg_lock);
1791 spin_lock_init(&vop->irq_lock);
1792 mutex_init(&vop->vop_lock);
1794 ret = vop_create_crtc(vop);
1798 pm_runtime_enable(&pdev->dev);
1800 ret = vop_initial(vop);
1802 DRM_DEV_ERROR(&pdev->dev,
1803 "cannot initial vop dev - err %d\n", ret);
1804 goto err_disable_pm_runtime;
1807 ret = devm_request_irq(dev, vop->irq, vop_isr,
1808 IRQF_SHARED, dev_name(dev), vop);
1810 goto err_disable_pm_runtime;
1812 if (vop->data->feature & VOP_FEATURE_INTERNAL_RGB) {
1813 vop->rgb = rockchip_rgb_init(dev, &vop->crtc, vop->drm_dev);
1814 if (IS_ERR(vop->rgb)) {
1815 ret = PTR_ERR(vop->rgb);
1816 goto err_disable_pm_runtime;
1822 err_disable_pm_runtime:
1823 pm_runtime_disable(&pdev->dev);
1824 vop_destroy_crtc(vop);
1828 static void vop_unbind(struct device *dev, struct device *master, void *data)
1830 struct vop *vop = dev_get_drvdata(dev);
1833 rockchip_rgb_fini(vop->rgb);
1835 pm_runtime_disable(dev);
1836 vop_destroy_crtc(vop);
1838 clk_unprepare(vop->aclk);
1839 clk_unprepare(vop->hclk);
1840 clk_unprepare(vop->dclk);
1843 const struct component_ops vop_component_ops = {
1845 .unbind = vop_unbind,
1847 EXPORT_SYMBOL_GPL(vop_component_ops);