63 static void set_scanout(struct drm_crtc *crtc, struct drm_framebuffer *fb)  in set_scanout()  argument
65 	struct drm_device *dev = crtc->dev;  in set_scanout()
74 		crtc->y * fb->pitches[0] +  in set_scanout()
75 		crtc->x * fb->format->cpp[0];  in set_scanout()
77 	end = start + (crtc->mode.vdisplay * fb->pitches[0]);  in set_scanout()
97 static void tilcdc_crtc_load_palette(struct drm_crtc *crtc)  in tilcdc_crtc_load_palette()  argument
99 	struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);  in tilcdc_crtc_load_palette()
100 	struct drm_device *dev = crtc->dev;  in tilcdc_crtc_load_palette()
177 static void reset(struct drm_crtc *crtc)  in reset()  argument
179 	struct drm_device *dev = crtc->dev;  in reset()
202 static void tilcdc_crtc_set_clk(struct drm_crtc *crtc)  in tilcdc_crtc_set_clk()  argument
204 	struct drm_device *dev = crtc->dev;  in tilcdc_crtc_set_clk()
206 	struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);  in tilcdc_crtc_set_clk()
214 	pclk_rate = crtc->mode.clock * 1000;  in tilcdc_crtc_set_clk()
255 	    tilcdc_crtc->lcd_fck_rate, crtc->mode.clock, clkdiv);  in tilcdc_crtc_set_clk()
273 static void tilcdc_crtc_set_mode(struct drm_crtc *crtc)  in tilcdc_crtc_set_mode()  argument
275 	struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);  in tilcdc_crtc_set_mode()
276 	struct drm_device *dev = crtc->dev;  in tilcdc_crtc_set_mode()
280 	struct drm_display_mode *mode = &crtc->state->adjusted_mode;  in tilcdc_crtc_set_mode()
281 	struct drm_framebuffer *fb = crtc->primary->state->fb;  in tilcdc_crtc_set_mode()
431 	tilcdc_crtc_set_clk(crtc);  in tilcdc_crtc_set_mode()
433 	tilcdc_crtc_load_palette(crtc);  in tilcdc_crtc_set_mode()
435 	set_scanout(crtc, fb);  in tilcdc_crtc_set_mode()
437 	drm_mode_copy(&crtc->hwmode, &crtc->state->adjusted_mode);  in tilcdc_crtc_set_mode()
440 		tilcdc_mode_hvtotal(&crtc->hwmode);  in tilcdc_crtc_set_mode()
443 static void tilcdc_crtc_enable(struct drm_crtc *crtc)  in tilcdc_crtc_enable()  argument
445 	struct drm_device *dev = crtc->dev;  in tilcdc_crtc_enable()
446 	struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);  in tilcdc_crtc_enable()
457 	reset(crtc);  in tilcdc_crtc_enable()
459 	tilcdc_crtc_set_mode(crtc);  in tilcdc_crtc_enable()
479 	drm_crtc_vblank_on(crtc);  in tilcdc_crtc_enable()
485 static void tilcdc_crtc_atomic_enable(struct drm_crtc *crtc,  in tilcdc_crtc_atomic_enable()  argument
488 	tilcdc_crtc_enable(crtc);  in tilcdc_crtc_atomic_enable()
491 static void tilcdc_crtc_off(struct drm_crtc *crtc, bool shutdown)  in tilcdc_crtc_off()  argument
493 	struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);  in tilcdc_crtc_off()
494 	struct drm_device *dev = crtc->dev;  in tilcdc_crtc_off()
518 	drm_crtc_vblank_off(crtc);  in tilcdc_crtc_off()
520 	spin_lock_irq(&crtc->dev->event_lock);  in tilcdc_crtc_off()
522 	if (crtc->state->event) {  in tilcdc_crtc_off()
523 		drm_crtc_send_vblank_event(crtc, crtc->state->event);  in tilcdc_crtc_off()
524 		crtc->state->event = NULL;  in tilcdc_crtc_off()
527 	spin_unlock_irq(&crtc->dev->event_lock);  in tilcdc_crtc_off()
537 static void tilcdc_crtc_disable(struct drm_crtc *crtc)  in tilcdc_crtc_disable()  argument
539 	tilcdc_crtc_off(crtc, false);  in tilcdc_crtc_disable()
542 static void tilcdc_crtc_atomic_disable(struct drm_crtc *crtc,  in tilcdc_crtc_atomic_disable()  argument
545 	tilcdc_crtc_disable(crtc);  in tilcdc_crtc_atomic_disable()
548 static void tilcdc_crtc_atomic_flush(struct drm_crtc *crtc,  in tilcdc_crtc_atomic_flush()  argument
551 	if (!crtc->state->event)  in tilcdc_crtc_atomic_flush()
554 	spin_lock_irq(&crtc->dev->event_lock);  in tilcdc_crtc_atomic_flush()
555 	drm_crtc_send_vblank_event(crtc, crtc->state->event);  in tilcdc_crtc_atomic_flush()
556 	crtc->state->event = NULL;  in tilcdc_crtc_atomic_flush()
557 	spin_unlock_irq(&crtc->dev->event_lock);  in tilcdc_crtc_atomic_flush()
560 void tilcdc_crtc_shutdown(struct drm_crtc *crtc)  in tilcdc_crtc_shutdown()  argument
562 	tilcdc_crtc_off(crtc, true);  in tilcdc_crtc_shutdown()
565 static bool tilcdc_crtc_is_on(struct drm_crtc *crtc)  in tilcdc_crtc_is_on()  argument
567 	return crtc->state && crtc->state->enable && crtc->state->active;  in tilcdc_crtc_is_on()
574 	struct drm_crtc *crtc = &tilcdc_crtc->base;  in tilcdc_crtc_recover_work()  local
576 	dev_info(crtc->dev->dev, "%s: Reset CRTC", __func__);  in tilcdc_crtc_recover_work()
578 	drm_modeset_lock(&crtc->mutex, NULL);  in tilcdc_crtc_recover_work()
580 	if (!tilcdc_crtc_is_on(crtc))  in tilcdc_crtc_recover_work()
583 	tilcdc_crtc_disable(crtc);  in tilcdc_crtc_recover_work()
584 	tilcdc_crtc_enable(crtc);  in tilcdc_crtc_recover_work()
586 	drm_modeset_unlock(&crtc->mutex);  in tilcdc_crtc_recover_work()
589 static void tilcdc_crtc_destroy(struct drm_crtc *crtc)  in tilcdc_crtc_destroy()  argument
591 	struct tilcdc_drm_private *priv = crtc->dev->dev_private;  in tilcdc_crtc_destroy()
593 	tilcdc_crtc_shutdown(crtc);  in tilcdc_crtc_destroy()
597 	of_node_put(crtc->port);  in tilcdc_crtc_destroy()
598 	drm_crtc_cleanup(crtc);  in tilcdc_crtc_destroy()
601 int tilcdc_crtc_update_fb(struct drm_crtc *crtc,  in tilcdc_crtc_update_fb()  argument
605 	struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);  in tilcdc_crtc_update_fb()
606 	struct drm_device *dev = crtc->dev;  in tilcdc_crtc_update_fb()
631 			set_scanout(crtc, fb);  in tilcdc_crtc_update_fb()
641 static bool tilcdc_crtc_mode_fixup(struct drm_crtc *crtc,  in tilcdc_crtc_mode_fixup()  argument
645 	struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);  in tilcdc_crtc_mode_fixup()
670 static int tilcdc_crtc_atomic_check(struct drm_crtc *crtc,  in tilcdc_crtc_atomic_check()  argument
674 									  crtc);  in tilcdc_crtc_atomic_check()
679 	if (state->planes[0].ptr != crtc->primary ||  in tilcdc_crtc_atomic_check()
681 	    state->planes[0].state->crtc != crtc) {  in tilcdc_crtc_atomic_check()
682 		dev_dbg(crtc->dev->dev, "CRTC primary plane must be present");  in tilcdc_crtc_atomic_check()
689 static int tilcdc_crtc_enable_vblank(struct drm_crtc *crtc)  in tilcdc_crtc_enable_vblank()  argument
691 	struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);  in tilcdc_crtc_enable_vblank()
692 	struct drm_device *dev = crtc->dev;  in tilcdc_crtc_enable_vblank()
712 static void tilcdc_crtc_disable_vblank(struct drm_crtc *crtc)  in tilcdc_crtc_disable_vblank()  argument
714 	struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);  in tilcdc_crtc_disable_vblank()
715 	struct drm_device *dev = crtc->dev;  in tilcdc_crtc_disable_vblank()
731 static void tilcdc_crtc_reset(struct drm_crtc *crtc)  in tilcdc_crtc_reset()  argument
733 	struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);  in tilcdc_crtc_reset()
734 	struct drm_device *dev = crtc->dev;  in tilcdc_crtc_reset()
737 	drm_atomic_helper_crtc_reset(crtc);  in tilcdc_crtc_reset()
771 tilcdc_crtc_mode_valid(struct drm_crtc *crtc,  in tilcdc_crtc_mode_valid()  argument
774 	struct tilcdc_drm_private *priv = crtc->dev->dev_private;  in tilcdc_crtc_mode_valid()
869 void tilcdc_crtc_set_panel_info(struct drm_crtc *crtc,  in tilcdc_crtc_set_panel_info()  argument
872 	struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);  in tilcdc_crtc_set_panel_info()
876 void tilcdc_crtc_set_simulate_vesa_sync(struct drm_crtc *crtc,  in tilcdc_crtc_set_simulate_vesa_sync()  argument
879 	struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);  in tilcdc_crtc_set_simulate_vesa_sync()
884 void tilcdc_crtc_update_clk(struct drm_crtc *crtc)  in tilcdc_crtc_update_clk()  argument
886 	struct drm_device *dev = crtc->dev;  in tilcdc_crtc_update_clk()
888 	struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);  in tilcdc_crtc_update_clk()
890 	drm_modeset_lock(&crtc->mutex, NULL);  in tilcdc_crtc_update_clk()
892 		if (tilcdc_crtc_is_on(crtc)) {  in tilcdc_crtc_update_clk()
894 			tilcdc_crtc_disable(crtc);  in tilcdc_crtc_update_clk()
896 			tilcdc_crtc_set_clk(crtc);  in tilcdc_crtc_update_clk()
898 			tilcdc_crtc_enable(crtc);  in tilcdc_crtc_update_clk()
902 	drm_modeset_unlock(&crtc->mutex);  in tilcdc_crtc_update_clk()
907 irqreturn_t tilcdc_crtc_irq(struct drm_crtc *crtc)  in tilcdc_crtc_irq()  argument
909 	struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);  in tilcdc_crtc_irq()
910 	struct drm_device *dev = crtc->dev;  in tilcdc_crtc_irq()
928 			set_scanout(crtc, tilcdc_crtc->next_fb);  in tilcdc_crtc_irq()
935 		drm_crtc_handle_vblank(crtc);  in tilcdc_crtc_irq()
945 				drm_crtc_send_vblank_event(crtc, event);  in tilcdc_crtc_irq()
1021 	struct drm_crtc *crtc;  in tilcdc_crtc_create()  local
1037 	crtc = &tilcdc_crtc->base;  in tilcdc_crtc_create()
1050 	ret = drm_crtc_init_with_planes(dev, crtc,  in tilcdc_crtc_create()
1058 	drm_crtc_helper_add(crtc, &tilcdc_crtc_helper_funcs);  in tilcdc_crtc_create()
1061 		crtc->port = of_graph_get_port_by_id(dev->dev->of_node, 0);  in tilcdc_crtc_create()
1062 		if (!crtc->port) { /* This should never happen */  in tilcdc_crtc_create()
1070 	priv->crtc = crtc;  in tilcdc_crtc_create()
1074 	tilcdc_crtc_destroy(crtc);  in tilcdc_crtc_create()