1 // SPDX-License-Identifier: GPL-2.0+
11 #include <linux/dma-mapping.h>
17 #include <video/imx-ipu-v3.h>
26 #include "imx-drm.h"
27 #include "ipuv3-plane.h"
38 	struct ipu_dc		*dc;  member
53 	struct ipu_soc *ipu = dev_get_drvdata(ipu_crtc->dev->parent);  in ipu_crtc_atomic_enable()
57 	ipu_dc_enable_channel(ipu_crtc->dc);  in ipu_crtc_atomic_enable()
58 	ipu_di_enable(ipu_crtc->di);  in ipu_crtc_atomic_enable()
69 		if (plane == &ipu_crtc->plane[0]->base)  in ipu_crtc_disable_planes()
71 		if (ipu_crtc->plane[1] && plane == &ipu_crtc->plane[1]->base)  in ipu_crtc_disable_planes()
76 		ipu_plane_disable(ipu_crtc->plane[1], true);  in ipu_crtc_disable_planes()
78 		ipu_plane_disable(ipu_crtc->plane[0], true);  in ipu_crtc_disable_planes()
87 	struct ipu_soc *ipu = dev_get_drvdata(ipu_crtc->dev->parent);  in ipu_crtc_atomic_disable()
89 	ipu_dc_disable_channel(ipu_crtc->dc);  in ipu_crtc_atomic_disable()
90 	ipu_di_disable(ipu_crtc->di);  in ipu_crtc_atomic_disable()
92 	 * Planes must be disabled before DC clock is removed, as otherwise the  in ipu_crtc_atomic_disable()
102 	spin_lock_irq(&crtc->dev->event_lock);  in ipu_crtc_atomic_disable()
103 	if (crtc->state->event && !crtc->state->active) {  in ipu_crtc_atomic_disable()
104 		drm_crtc_send_vblank_event(crtc, crtc->state->event);  in ipu_crtc_atomic_disable()
105 		crtc->state->event = NULL;  in ipu_crtc_atomic_disable()
107 	spin_unlock_irq(&crtc->dev->event_lock);  in ipu_crtc_atomic_disable()
114 	if (crtc->state)  in imx_drm_crtc_reset()
115 		__drm_atomic_helper_crtc_destroy_state(crtc->state);  in imx_drm_crtc_reset()
117 	kfree(to_imx_crtc_state(crtc->state));  in imx_drm_crtc_reset()
118 	crtc->state = NULL;  in imx_drm_crtc_reset()
122 		__drm_atomic_helper_crtc_reset(crtc, &state->base);  in imx_drm_crtc_reset()
133 	__drm_atomic_helper_crtc_duplicate_state(crtc, &state->base);  in imx_drm_crtc_duplicate_state()
135 	WARN_ON(state->base.crtc != crtc);  in imx_drm_crtc_duplicate_state()
136 	state->base.crtc = crtc;  in imx_drm_crtc_duplicate_state()
138 	return &state->base;  in imx_drm_crtc_duplicate_state()
152 	enable_irq(ipu_crtc->irq);  in ipu_enable_vblank()
161 	disable_irq_nosync(ipu_crtc->irq);  in ipu_disable_vblank()
177 	struct drm_crtc *crtc = &ipu_crtc->base;  in ipu_irq_handler()
183 	if (ipu_crtc->event) {  in ipu_irq_handler()
184 		for (i = 0; i < ARRAY_SIZE(ipu_crtc->plane); i++) {  in ipu_irq_handler()
185 			struct ipu_plane *plane = ipu_crtc->plane[i];  in ipu_irq_handler()
190 			if (ipu_plane_atomic_update_pending(&plane->base))  in ipu_irq_handler()
194 		if (i == ARRAY_SIZE(ipu_crtc->plane)) {  in ipu_irq_handler()
195 			spin_lock_irqsave(&crtc->dev->event_lock, flags);  in ipu_irq_handler()
196 			drm_crtc_send_vblank_event(crtc, ipu_crtc->event);  in ipu_irq_handler()
197 			ipu_crtc->event = NULL;  in ipu_irq_handler()
199 			spin_unlock_irqrestore(&crtc->dev->event_lock, flags);  in ipu_irq_handler()
207 				  const struct drm_display_mode *mode,  in ipu_crtc_mode_fixup()  argument
216 	ret = ipu_di_adjust_videomode(ipu_crtc->di, &vm);  in ipu_crtc_mode_fixup()
233 	u32 primary_plane_mask = drm_plane_mask(crtc->primary);  in ipu_crtc_atomic_check()
235 	if (crtc_state->active && (primary_plane_mask & crtc_state->plane_mask) == 0)  in ipu_crtc_atomic_check()
236 		return -EINVAL;  in ipu_crtc_atomic_check()
250 	spin_lock_irq(&crtc->dev->event_lock);  in ipu_crtc_atomic_flush()
251 	if (crtc->state->event) {  in ipu_crtc_atomic_flush()
255 		ipu_crtc->event = crtc->state->event;  in ipu_crtc_atomic_flush()
256 		crtc->state->event = NULL;  in ipu_crtc_atomic_flush()
258 	spin_unlock_irq(&crtc->dev->event_lock);  in ipu_crtc_atomic_flush()
263 	struct drm_device *dev = crtc->dev;  in ipu_crtc_mode_set_nofb()
266 	struct drm_display_mode *mode = &crtc->state->adjusted_mode;  in ipu_crtc_mode_set_nofb()  local
267 	struct imx_crtc_state *imx_crtc_state = to_imx_crtc_state(crtc->state);  in ipu_crtc_mode_set_nofb()
271 	dev_dbg(ipu_crtc->dev, "%s: mode->hdisplay: %d\n", __func__,  in ipu_crtc_mode_set_nofb()
272 			mode->hdisplay);  in ipu_crtc_mode_set_nofb()
273 	dev_dbg(ipu_crtc->dev, "%s: mode->vdisplay: %d\n", __func__,  in ipu_crtc_mode_set_nofb()
274 			mode->vdisplay);  in ipu_crtc_mode_set_nofb()
276 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {  in ipu_crtc_mode_set_nofb()
277 		if (encoder->crtc == crtc)  in ipu_crtc_mode_set_nofb()
278 			encoder_types |= BIT(encoder->encoder_type);  in ipu_crtc_mode_set_nofb()
281 	dev_dbg(ipu_crtc->dev, "%s: attached to encoder types 0x%lx\n",  in ipu_crtc_mode_set_nofb()
297 	sig_cfg.enable_pol = !(imx_crtc_state->bus_flags & DRM_BUS_FLAG_DE_LOW);  in ipu_crtc_mode_set_nofb()
299 	sig_cfg.clk_pol = !!(imx_crtc_state->bus_flags &  in ipu_crtc_mode_set_nofb()
301 	sig_cfg.bus_format = imx_crtc_state->bus_format;  in ipu_crtc_mode_set_nofb()
303 	sig_cfg.hsync_pin = imx_crtc_state->di_hsync_pin;  in ipu_crtc_mode_set_nofb()
304 	sig_cfg.vsync_pin = imx_crtc_state->di_vsync_pin;  in ipu_crtc_mode_set_nofb()
306 	drm_display_mode_to_videomode(mode, &sig_cfg.mode);  in ipu_crtc_mode_set_nofb()
307 	if (!IS_ALIGNED(sig_cfg.mode.hactive, 8)) {  in ipu_crtc_mode_set_nofb()
308 		unsigned int new_hactive = ALIGN(sig_cfg.mode.hactive, 8);  in ipu_crtc_mode_set_nofb()
310 		dev_warn(ipu_crtc->dev, "8-pixel align hactive %d -> %d\n",  in ipu_crtc_mode_set_nofb()
311 			 sig_cfg.mode.hactive, new_hactive);  in ipu_crtc_mode_set_nofb()
313 		sig_cfg.mode.hfront_porch -= new_hactive - sig_cfg.mode.hactive;  in ipu_crtc_mode_set_nofb()
314 		sig_cfg.mode.hactive = new_hactive;  in ipu_crtc_mode_set_nofb()
317 	ipu_dc_init_sync(ipu_crtc->dc, ipu_crtc->di,  in ipu_crtc_mode_set_nofb()
318 			 mode->flags & DRM_MODE_FLAG_INTERLACE,  in ipu_crtc_mode_set_nofb()
319 			 imx_crtc_state->bus_format, sig_cfg.mode.hactive);  in ipu_crtc_mode_set_nofb()
320 	ipu_di_init_sync_panel(ipu_crtc->di, &sig_cfg);  in ipu_crtc_mode_set_nofb()
337 	if (!IS_ERR_OR_NULL(ipu_crtc->dc))  in ipu_put_resources()
338 		ipu_dc_put(ipu_crtc->dc);  in ipu_put_resources()
339 	if (!IS_ERR_OR_NULL(ipu_crtc->di))  in ipu_put_resources()
340 		ipu_di_put(ipu_crtc->di);  in ipu_put_resources()
346 	struct ipu_soc *ipu = dev_get_drvdata(ipu_crtc->dev->parent);  in ipu_get_resources()
349 	ipu_crtc->dc = ipu_dc_get(ipu, pdata->dc);  in ipu_get_resources()
350 	if (IS_ERR(ipu_crtc->dc))  in ipu_get_resources()
351 		return PTR_ERR(ipu_crtc->dc);  in ipu_get_resources()
357 	ipu_crtc->di = ipu_di_get(ipu, pdata->di);  in ipu_get_resources()
358 	if (IS_ERR(ipu_crtc->di))  in ipu_get_resources()
359 		return PTR_ERR(ipu_crtc->di);  in ipu_get_resources()
366 	struct ipu_client_platformdata *pdata = dev->platform_data;  in ipu_drm_bind()
367 	struct ipu_soc *ipu = dev_get_drvdata(dev->parent);  in ipu_drm_bind()
372 	int dp = -EINVAL;  in ipu_drm_bind()
375 	if (pdata->dp >= 0)  in ipu_drm_bind()
377 	primary_plane = ipu_plane_init(drm, ipu, pdata->dma[0], dp, 0,  in ipu_drm_bind()
383 					       &primary_plane->base, NULL,  in ipu_drm_bind()
388 	ipu_crtc->dev = dev;  in ipu_drm_bind()
389 	ipu_crtc->plane[0] = primary_plane;  in ipu_drm_bind()
391 	crtc = &ipu_crtc->base;  in ipu_drm_bind()
392 	crtc->port = pdata->of_node;  in ipu_drm_bind()
397 		dev_err(ipu_crtc->dev, "getting resources failed with %d.\n",  in ipu_drm_bind()
403 	if (pdata->dp >= 0 && pdata->dma[1] > 0) {  in ipu_drm_bind()
404 		ipu_crtc->plane[1] = ipu_plane_init(drm, ipu, pdata->dma[1],  in ipu_drm_bind()
406 						drm_crtc_mask(&ipu_crtc->base),  in ipu_drm_bind()
408 		if (IS_ERR(ipu_crtc->plane[1]))  in ipu_drm_bind()
409 			ipu_crtc->plane[1] = NULL;  in ipu_drm_bind()
412 	ipu_crtc->irq = ipu_plane_irq(ipu_crtc->plane[0]);  in ipu_drm_bind()
413 	ret = devm_request_irq(ipu_crtc->dev, ipu_crtc->irq, ipu_irq_handler, 0,  in ipu_drm_bind()
416 		dev_err(ipu_crtc->dev, "irq request failed with %d.\n", ret);  in ipu_drm_bind()
420 	disable_irq(ipu_crtc->irq);  in ipu_drm_bind()
431 	struct device *dev = &pdev->dev;  in ipu_drm_probe()
434 	if (!dev->platform_data)  in ipu_drm_probe()
435 		return -EINVAL;  in ipu_drm_probe()
446 	component_del(&pdev->dev, &ipu_crtc_ops);  in ipu_drm_remove()
452 		.name = "imx-ipuv3-crtc",