1 // SPDX-License-Identifier: GPL-2.0-only
19 	struct drm_device *dev = mdp4_kms->dev;  in mdp4_hw_init()
23 	pm_runtime_get_sync(dev->dev);  in mdp4_hw_init()
25 	if (mdp4_kms->rev > 1) {  in mdp4_hw_init()
35 	clk = clk_get_rate(mdp4_kms->clk);  in mdp4_hw_init()
37 	if ((mdp4_kms->rev >= 1) || (clk >= 90000000)) {  in mdp4_hw_init()
38 		dmap_cfg = 0x47;     /* 16 bytes-burst x 8 req */  in mdp4_hw_init()
39 		vg_cfg = 0x47;       /* 16 bytes-burs x 8 req */  in mdp4_hw_init()
41 		dmap_cfg = 0x27;     /* 8 bytes-burst x 8 req */  in mdp4_hw_init()
42 		vg_cfg = 0x43;       /* 16 bytes-burst x 4 req */  in mdp4_hw_init()
55 	if (mdp4_kms->rev >= 2)  in mdp4_hw_init()
67 	if (mdp4_kms->rev > 1)  in mdp4_hw_init()
70 	pm_runtime_put_sync(dev->dev);  in mdp4_hw_init()
97 	for_each_crtc_mask(mdp4_kms->dev, crtc, crtc_mask)  in mdp4_wait_flush()
106 		struct drm_encoder *encoder)  in mdp4_round_pixclk()  argument
108 	/* if we had >1 encoder, we'd need something more clever: */  in mdp4_round_pixclk()
109 	switch (encoder->encoder_type) {  in mdp4_round_pixclk()
111 		return mdp4_dtv_round_pixclk(encoder, rate);  in mdp4_round_pixclk()
122 	struct device *dev = mdp4_kms->dev->dev;  in mdp4_destroy()
123 	struct msm_gem_address_space *aspace = kms->aspace;  in mdp4_destroy()
125 	if (mdp4_kms->blank_cursor_iova)  in mdp4_destroy()
126 		msm_gem_unpin_iova(mdp4_kms->blank_cursor_bo, kms->aspace);  in mdp4_destroy()
127 	drm_gem_object_put(mdp4_kms->blank_cursor_bo);  in mdp4_destroy()
130 		aspace->mmu->funcs->detach(aspace->mmu);  in mdp4_destroy()
134 	if (mdp4_kms->rpm_enabled)  in mdp4_destroy()
137 	mdp_kms_destroy(&mdp4_kms->base);  in mdp4_destroy()
164 	clk_disable_unprepare(mdp4_kms->clk);  in mdp4_disable()
165 	clk_disable_unprepare(mdp4_kms->pclk);  in mdp4_disable()
166 	clk_disable_unprepare(mdp4_kms->lut_clk);  in mdp4_disable()
167 	clk_disable_unprepare(mdp4_kms->axi_clk);  in mdp4_disable()
176 	clk_prepare_enable(mdp4_kms->clk);  in mdp4_enable()
177 	clk_prepare_enable(mdp4_kms->pclk);  in mdp4_enable()
178 	clk_prepare_enable(mdp4_kms->lut_clk);  in mdp4_enable()
179 	clk_prepare_enable(mdp4_kms->axi_clk);  in mdp4_enable()
188 	struct drm_device *dev = mdp4_kms->dev;  in mdp4_modeset_init_intf()
189 	struct msm_drm_private *priv = dev->dev_private;  in mdp4_modeset_init_intf()
190 	struct drm_encoder *encoder;  in mdp4_modeset_init_intf()  local
200 		 * initialize LCDC encoder and LVDS connector)  in mdp4_modeset_init_intf()
202 		panel_node = of_graph_get_remote_node(dev->dev->of_node, 0, 0);  in mdp4_modeset_init_intf()
206 		encoder = mdp4_lcdc_encoder_init(dev, panel_node);  in mdp4_modeset_init_intf()
207 		if (IS_ERR(encoder)) {  in mdp4_modeset_init_intf()
208 			DRM_DEV_ERROR(dev->dev, "failed to construct LCDC encoder\n");  in mdp4_modeset_init_intf()
210 			return PTR_ERR(encoder);  in mdp4_modeset_init_intf()
214 		encoder->possible_crtcs = 1 << DMA_P;  in mdp4_modeset_init_intf()
216 		connector = mdp4_lvds_connector_init(dev, panel_node, encoder);  in mdp4_modeset_init_intf()
218 			DRM_DEV_ERROR(dev->dev, "failed to initialize LVDS connector\n");  in mdp4_modeset_init_intf()
225 		encoder = mdp4_dtv_encoder_init(dev);  in mdp4_modeset_init_intf()
226 		if (IS_ERR(encoder)) {  in mdp4_modeset_init_intf()
227 			DRM_DEV_ERROR(dev->dev, "failed to construct DTV encoder\n");  in mdp4_modeset_init_intf()
228 			return PTR_ERR(encoder);  in mdp4_modeset_init_intf()
232 		encoder->possible_crtcs = 1 << 1;  in mdp4_modeset_init_intf()
234 		if (priv->hdmi) {  in mdp4_modeset_init_intf()
236 			ret = msm_hdmi_modeset_init(priv->hdmi, dev, encoder);  in mdp4_modeset_init_intf()
238 				DRM_DEV_ERROR(dev->dev, "failed to initialize HDMI: %d\n", ret);  in mdp4_modeset_init_intf()
248 		if (!priv->dsi[dsi_id])  in mdp4_modeset_init_intf()
251 		encoder = mdp4_dsi_encoder_init(dev);  in mdp4_modeset_init_intf()
252 		if (IS_ERR(encoder)) {  in mdp4_modeset_init_intf()
253 			ret = PTR_ERR(encoder);  in mdp4_modeset_init_intf()
254 			DRM_DEV_ERROR(dev->dev,  in mdp4_modeset_init_intf()
255 				"failed to construct DSI encoder: %d\n", ret);  in mdp4_modeset_init_intf()
260 		encoder->possible_crtcs = 1 << DMA_P;  in mdp4_modeset_init_intf()
262 		ret = msm_dsi_modeset_init(priv->dsi[dsi_id], dev, encoder);  in mdp4_modeset_init_intf()
264 			DRM_DEV_ERROR(dev->dev, "failed to initialize DSI: %d\n",  in mdp4_modeset_init_intf()
271 		DRM_DEV_ERROR(dev->dev, "Invalid or unsupported interface\n");  in mdp4_modeset_init_intf()
272 		return -EINVAL;  in mdp4_modeset_init_intf()
280 	struct drm_device *dev = mdp4_kms->dev;  in modeset_init()
281 	struct msm_drm_private *priv = dev->dev_private;  in modeset_init()
303 	/* construct non-private planes: */  in modeset_init()
307 			DRM_DEV_ERROR(dev->dev,  in modeset_init()
317 			DRM_DEV_ERROR(dev->dev,  in modeset_init()
323 		crtc  = mdp4_crtc_init(dev, plane, priv->num_crtcs, i,  in modeset_init()
326 			DRM_DEV_ERROR(dev->dev, "failed to construct crtc for %s\n",  in modeset_init()
332 		priv->num_crtcs++;  in modeset_init()
338 	 * LCDC/LVDS path: RGB1 -> DMA_P -> LCDC -> LVDS  in modeset_init()
340 	 * DSI path: RGB1 -> DMA_P -> DSI1 -> DSI Panel  in modeset_init()
342 	 * DTV/HDMI path: RGB2 -> DMA_E -> DTV -> HDMI  in modeset_init()
348 			DRM_DEV_ERROR(dev->dev, "failed to initialize intf: %d, %d\n",  in modeset_init()
363 	struct drm_device *dev = mdp4_kms->dev;  in read_mdp_hw_revision()
373 	DRM_DEV_INFO(dev->dev, "MDP4 version v%d.%d", *major, *minor);  in read_mdp_hw_revision()
378 	struct platform_device *pdev = to_platform_device(dev->dev);  in mdp4_kms_init()
379 	struct msm_drm_private *priv = dev->dev_private;  in mdp4_kms_init()
380 	struct mdp4_kms *mdp4_kms = to_mdp4_kms(to_mdp_kms(priv->kms));  in mdp4_kms_init()
391 	ret = mdp_kms_init(&mdp4_kms->base, &kms_funcs);  in mdp4_kms_init()
393 		DRM_DEV_ERROR(dev->dev, "failed to init kms\n");  in mdp4_kms_init()
397 	kms = priv->kms;  in mdp4_kms_init()
399 	mdp4_kms->dev = dev;  in mdp4_kms_init()
401 	if (mdp4_kms->vdd) {  in mdp4_kms_init()
402 		ret = regulator_enable(mdp4_kms->vdd);  in mdp4_kms_init()
404 			DRM_DEV_ERROR(dev->dev, "failed to enable regulator vdd: %d\n", ret);  in mdp4_kms_init()
409 	clk_set_rate(mdp4_kms->clk, max_clk);  in mdp4_kms_init()
414 		DRM_DEV_ERROR(dev->dev, "unexpected MDP version: v%d.%d\n",  in mdp4_kms_init()
416 		ret = -ENXIO;  in mdp4_kms_init()
420 	mdp4_kms->rev = minor;  in mdp4_kms_init()
422 	if (mdp4_kms->rev >= 2) {  in mdp4_kms_init()
423 		if (!mdp4_kms->lut_clk) {  in mdp4_kms_init()
424 			DRM_DEV_ERROR(dev->dev, "failed to get lut_clk\n");  in mdp4_kms_init()
425 			ret = -ENODEV;  in mdp4_kms_init()
428 		clk_set_rate(mdp4_kms->lut_clk, max_clk);  in mdp4_kms_init()
431 	pm_runtime_enable(dev->dev);  in mdp4_kms_init()
432 	mdp4_kms->rpm_enabled = true;  in mdp4_kms_init()
445 	mmu = msm_iommu_new(&pdev->dev, 0);  in mdp4_kms_init()
450 		DRM_DEV_INFO(dev->dev, "no iommu, fallback to phys "  in mdp4_kms_init()
455 			"mdp4", 0x1000, 0x100000000 - 0x1000);  in mdp4_kms_init()
459 				mmu->funcs->destroy(mmu);  in mdp4_kms_init()
464 		kms->aspace = aspace;  in mdp4_kms_init()
469 		DRM_DEV_ERROR(dev->dev, "modeset_init failed: %d\n", ret);  in mdp4_kms_init()
473 	mdp4_kms->blank_cursor_bo = msm_gem_new(dev, SZ_16K, MSM_BO_WC | MSM_BO_SCANOUT);  in mdp4_kms_init()
474 	if (IS_ERR(mdp4_kms->blank_cursor_bo)) {  in mdp4_kms_init()
475 		ret = PTR_ERR(mdp4_kms->blank_cursor_bo);  in mdp4_kms_init()
476 		DRM_DEV_ERROR(dev->dev, "could not allocate blank-cursor bo: %d\n", ret);  in mdp4_kms_init()
477 		mdp4_kms->blank_cursor_bo = NULL;  in mdp4_kms_init()
481 	ret = msm_gem_get_and_pin_iova(mdp4_kms->blank_cursor_bo, kms->aspace,  in mdp4_kms_init()
482 			&mdp4_kms->blank_cursor_iova);  in mdp4_kms_init()
484 		DRM_DEV_ERROR(dev->dev, "could not pin blank-cursor bo: %d\n", ret);  in mdp4_kms_init()
488 	dev->mode_config.min_width = 0;  in mdp4_kms_init()
489 	dev->mode_config.min_height = 0;  in mdp4_kms_init()
490 	dev->mode_config.max_width = 2048;  in mdp4_kms_init()
491 	dev->mode_config.max_height = 2048;  in mdp4_kms_init()
509 	struct device *dev = &pdev->dev;  in mdp4_probe()
515 		return dev_err_probe(dev, -ENOMEM, "failed to allocate kms\n");  in mdp4_probe()
517 	mdp4_kms->mmio = msm_ioremap(pdev, NULL);  in mdp4_probe()
518 	if (IS_ERR(mdp4_kms->mmio))  in mdp4_probe()
519 		return PTR_ERR(mdp4_kms->mmio);  in mdp4_probe()
525 	mdp4_kms->base.base.irq = irq;  in mdp4_probe()
531 	mdp4_kms->vdd = devm_regulator_get_exclusive(&pdev->dev, "vdd");  in mdp4_probe()
532 	if (IS_ERR(mdp4_kms->vdd))  in mdp4_probe()
533 		mdp4_kms->vdd = NULL;  in mdp4_probe()
535 	mdp4_kms->clk = devm_clk_get(&pdev->dev, "core_clk");  in mdp4_probe()
536 	if (IS_ERR(mdp4_kms->clk))  in mdp4_probe()
537 		return dev_err_probe(dev, PTR_ERR(mdp4_kms->clk), "failed to get core_clk\n");  in mdp4_probe()
539 	mdp4_kms->pclk = devm_clk_get(&pdev->dev, "iface_clk");  in mdp4_probe()
540 	if (IS_ERR(mdp4_kms->pclk))  in mdp4_probe()
541 		mdp4_kms->pclk = NULL;  in mdp4_probe()
543 	mdp4_kms->axi_clk = devm_clk_get(&pdev->dev, "bus_clk");  in mdp4_probe()
544 	if (IS_ERR(mdp4_kms->axi_clk))  in mdp4_probe()
545 		return dev_err_probe(dev, PTR_ERR(mdp4_kms->axi_clk), "failed to get axi_clk\n");  in mdp4_probe()
551 	mdp4_kms->lut_clk = devm_clk_get_optional(&pdev->dev, "lut_clk");  in mdp4_probe()
552 	if (IS_ERR(mdp4_kms->lut_clk))  in mdp4_probe()
553 		return dev_err_probe(dev, PTR_ERR(mdp4_kms->lut_clk), "failed to get lut_clk\n");  in mdp4_probe()
555 	return msm_drv_probe(&pdev->dev, mdp4_kms_init, &mdp4_kms->base.base);  in mdp4_probe()
560 	component_master_del(&pdev->dev, &msm_drm_ops);  in mdp4_remove()