1 // SPDX-License-Identifier: GPL-2.0-or-later
16 #include <linux/soc/amlogic/meson-canvas.h>
42 #define DRIVER_NAME "meson"
43 #define DRIVER_DESC "Amlogic Meson DRM driver"
53  * - Full reset of entire video processing HW blocks
54  * - Scaling and setup of the VPU clock
55  * - Bus clock gates
56  * - Powering up video processing HW blocks
57  * - Powering Up HDMI controller and PHY
73 	struct meson_drm *priv = dev->dev_private;  in meson_irq()
75 	(void)readl_relaxed(priv->io_base + _REG(VENC_INTFLAG));  in meson_irq()
88 	args->pitch = ALIGN(DIV_ROUND_UP(args->width * args->bpp, 8), SZ_64);  in meson_dumb_create()
89 	args->size = PAGE_ALIGN(args->pitch * args->height);  in meson_dumb_create()
116 	for_each_endpoint_of_node(dev->of_node, ep) {  in meson_vpu_has_available_connectors()
146 	writel_relaxed(value, priv->io_base + _REG(VPU_RDARB_MODE_L1C1));  in meson_vpu_init()
150 	writel_relaxed(value, priv->io_base + _REG(VPU_RDARB_MODE_L1C2));  in meson_vpu_init()
155 	writel_relaxed(value, priv->io_base + _REG(VPU_RDARB_MODE_L2C1));  in meson_vpu_init()
159 	writel_relaxed(value, priv->io_base + _REG(VPU_WRARB_MODE_L2C1));  in meson_vpu_init()
168 	/* S805X/S805Y HDMI PLL won't lock for HDMI PHY freq > 1,65GHz */
193 		return -ENODEV;  in meson_drv_bind_master()
198 		return -ENODEV;  in meson_drv_bind_master()
206 		ret = -ENOMEM;  in meson_drv_bind_master()
209 	drm->dev_private = priv;  in meson_drv_bind_master()
210 	priv->drm = drm;  in meson_drv_bind_master()
211 	priv->dev = dev;  in meson_drv_bind_master()
212 	priv->compat = match->compat;  in meson_drv_bind_master()
213 	priv->afbcd.ops = match->afbcd_ops;  in meson_drv_bind_master()
221 	priv->io_base = regs;  in meson_drv_bind_master()
225 		ret = -EINVAL;  in meson_drv_bind_master()
229 	regs = devm_ioremap(dev, res->start, resource_size(res));  in meson_drv_bind_master()
231 		ret = -EADDRNOTAVAIL;  in meson_drv_bind_master()
235 	priv->hhi = devm_regmap_init_mmio(dev, regs,  in meson_drv_bind_master()
237 	if (IS_ERR(priv->hhi)) {  in meson_drv_bind_master()
238 		dev_err(&pdev->dev, "Couldn't create the HHI regmap\n");  in meson_drv_bind_master()
239 		ret = PTR_ERR(priv->hhi);  in meson_drv_bind_master()
243 	priv->canvas = meson_canvas_get(dev);  in meson_drv_bind_master()
244 	if (IS_ERR(priv->canvas)) {  in meson_drv_bind_master()
245 		ret = PTR_ERR(priv->canvas);  in meson_drv_bind_master()
249 	ret = meson_canvas_alloc(priv->canvas, &priv->canvas_id_osd1);  in meson_drv_bind_master()
252 	ret = meson_canvas_alloc(priv->canvas, &priv->canvas_id_vd1_0);  in meson_drv_bind_master()
255 	ret = meson_canvas_alloc(priv->canvas, &priv->canvas_id_vd1_1);  in meson_drv_bind_master()
258 	ret = meson_canvas_alloc(priv->canvas, &priv->canvas_id_vd1_2);  in meson_drv_bind_master()
262 	priv->vsync_irq = platform_get_irq(pdev, 0);  in meson_drv_bind_master()
271 			priv->limits = &meson_drm_soc_attrs[i].limits;  in meson_drv_bind_master()
287 	drm->mode_config.max_width = 3840;  in meson_drv_bind_master()
288 	drm->mode_config.max_height = 2160;  in meson_drv_bind_master()
289 	drm->mode_config.funcs = &meson_mode_config_funcs;  in meson_drv_bind_master()
290 	drm->mode_config.helper_private	= &meson_mode_config_helpers;  in meson_drv_bind_master()
298 	if (priv->afbcd.ops) {  in meson_drv_bind_master()
299 		ret = priv->afbcd.ops->init(priv);  in meson_drv_bind_master()
313 			dev_err(drm->dev, "Couldn't bind all components\n");  in meson_drv_bind_master()
342 	ret = request_irq(priv->vsync_irq, meson_irq, 0, drm->driver->name, drm);  in meson_drv_bind_master()
361 	free_irq(priv->vsync_irq, drm);  in meson_drv_bind_master()
363 	if (priv->afbcd.ops)  in meson_drv_bind_master()
364 		priv->afbcd.ops->exit(priv);  in meson_drv_bind_master()
366 	meson_canvas_free(priv->canvas, priv->canvas_id_vd1_2);  in meson_drv_bind_master()
368 	meson_canvas_free(priv->canvas, priv->canvas_id_vd1_1);  in meson_drv_bind_master()
370 	meson_canvas_free(priv->canvas, priv->canvas_id_vd1_0);  in meson_drv_bind_master()
372 	meson_canvas_free(priv->canvas, priv->canvas_id_osd1);  in meson_drv_bind_master()
394 	struct drm_device *drm = priv->drm;  in meson_drv_unbind()
396 	if (priv->canvas) {  in meson_drv_unbind()
397 		meson_canvas_free(priv->canvas, priv->canvas_id_osd1);  in meson_drv_unbind()
398 		meson_canvas_free(priv->canvas, priv->canvas_id_vd1_0);  in meson_drv_unbind()
399 		meson_canvas_free(priv->canvas, priv->canvas_id_vd1_1);  in meson_drv_unbind()
400 		meson_canvas_free(priv->canvas, priv->canvas_id_vd1_2);  in meson_drv_unbind()
406 	free_irq(priv->vsync_irq, drm);  in meson_drv_unbind()
415 	if (priv->afbcd.ops)  in meson_drv_unbind()
416 		priv->afbcd.ops->exit(priv);  in meson_drv_unbind()
431 	return drm_mode_config_helper_suspend(priv->drm);  in meson_drv_pm_suspend()
445 	if (priv->afbcd.ops)  in meson_drv_pm_resume()
446 		priv->afbcd.ops->init(priv);  in meson_drv_pm_resume()
448 	return drm_mode_config_helper_resume(priv->drm);  in meson_drv_pm_resume()
453 	struct meson_drm *priv = dev_get_drvdata(&pdev->dev);  in meson_drv_shutdown()
458 	drm_kms_helper_poll_fini(priv->drm);  in meson_drv_shutdown()
459 	drm_atomic_helper_shutdown(priv->drm);  in meson_drv_shutdown()
469 	{ .compatible = "amlogic,meson-gxbb-dw-hdmi" },
470 	{ .compatible = "amlogic,meson-gxl-dw-hdmi" },
471 	{ .compatible = "amlogic,meson-gxm-dw-hdmi" },
472 	{ .compatible = "amlogic,meson-g12a-dw-hdmi" },
479 	struct device_node *np = pdev->dev.of_node;  in meson_drv_probe()
491 			component_match_add(&pdev->dev, &match, component_compare_of, remote);  in meson_drv_probe()
493 			dev_dbg(&pdev->dev, "parent %pOF remote match add %pOF parent %s\n",  in meson_drv_probe()
494 				np, remote, dev_name(&pdev->dev));  in meson_drv_probe()
503 		return meson_drv_bind_master(&pdev->dev, false);  in meson_drv_probe()
507 		dev_info(&pdev->dev, "Queued %d outputs on vpu\n", count);  in meson_drv_probe()
509 		return component_master_add_with_match(&pdev->dev,  in meson_drv_probe()
520 	component_master_del(&pdev->dev, &meson_drv_master_ops);  in meson_drv_remove()
542 	{ .compatible = "amlogic,meson-gxbb-vpu",
544 	{ .compatible = "amlogic,meson-gxl-vpu",
546 	{ .compatible = "amlogic,meson-gxm-vpu",
548 	{ .compatible = "amlogic,meson-g12a-vpu",
563 		.name	= "meson-drm",