11ccea77eSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later 2bbbe775eSNeil Armstrong /* 3bbbe775eSNeil Armstrong * Copyright (C) 2016 BayLibre, SAS 4bbbe775eSNeil Armstrong * Author: Neil Armstrong <narmstrong@baylibre.com> 5bbbe775eSNeil Armstrong * Copyright (C) 2014 Endless Mobile 6bbbe775eSNeil Armstrong * 7bbbe775eSNeil Armstrong * Written by: 8bbbe775eSNeil Armstrong * Jasper St. Pierre <jstpierre@mecheye.net> 9bbbe775eSNeil Armstrong */ 10bbbe775eSNeil Armstrong 11a41e82e6SNeil Armstrong #include <linux/component.h> 1266620f48SSam Ravnborg #include <linux/module.h> 13bbbe775eSNeil Armstrong #include <linux/of_graph.h> 148976eeeeSNeil Armstrong #include <linux/sys_soc.h> 1566620f48SSam Ravnborg #include <linux/platform_device.h> 1666620f48SSam Ravnborg #include <linux/soc/amlogic/meson-canvas.h> 17bbbe775eSNeil Armstrong 186848c291SThomas Zimmermann #include <drm/drm_aperture.h> 19bbbe775eSNeil Armstrong #include <drm/drm_atomic_helper.h> 2066620f48SSam Ravnborg #include <drm/drm_drv.h> 21fcd70cd3SDaniel Vetter #include <drm/drm_fb_helper.h> 22bbbe775eSNeil Armstrong #include <drm/drm_gem_cma_helper.h> 2324ef8157SNoralf Trønnes #include <drm/drm_gem_framebuffer_helper.h> 2466620f48SSam Ravnborg #include <drm/drm_irq.h> 2566620f48SSam Ravnborg #include <drm/drm_modeset_helper_vtables.h> 26fcd70cd3SDaniel Vetter #include <drm/drm_probe_helper.h> 2766620f48SSam Ravnborg #include <drm/drm_vblank.h> 28bbbe775eSNeil Armstrong 29bbbe775eSNeil Armstrong #include "meson_crtc.h" 3066620f48SSam Ravnborg #include "meson_drv.h" 3166620f48SSam Ravnborg #include "meson_overlay.h" 3266620f48SSam Ravnborg #include "meson_plane.h" 33d1b5e41eSNeil Armstrong #include "meson_osd_afbcd.h" 34bbbe775eSNeil Armstrong #include "meson_registers.h" 3566620f48SSam Ravnborg #include "meson_venc_cvbs.h" 3666620f48SSam Ravnborg #include "meson_viu.h" 3766620f48SSam Ravnborg #include "meson_vpp.h" 38d1b5e41eSNeil Armstrong #include "meson_rdma.h" 39bbbe775eSNeil Armstrong 40bbbe775eSNeil Armstrong #define DRIVER_NAME "meson" 41bbbe775eSNeil Armstrong #define DRIVER_DESC "Amlogic Meson DRM driver" 42bbbe775eSNeil Armstrong 432021d5b7SNeil Armstrong /** 442021d5b7SNeil Armstrong * DOC: Video Processing Unit 45bbbe775eSNeil Armstrong * 46bbbe775eSNeil Armstrong * VPU Handles the Global Video Processing, it includes management of the 47bbbe775eSNeil Armstrong * clocks gates, blocks reset lines and power domains. 48bbbe775eSNeil Armstrong * 49bbbe775eSNeil Armstrong * What is missing : 502021d5b7SNeil Armstrong * 51bbbe775eSNeil Armstrong * - Full reset of entire video processing HW blocks 52bbbe775eSNeil Armstrong * - Scaling and setup of the VPU clock 53bbbe775eSNeil Armstrong * - Bus clock gates 54bbbe775eSNeil Armstrong * - Powering up video processing HW blocks 55bbbe775eSNeil Armstrong * - Powering Up HDMI controller and PHY 56bbbe775eSNeil Armstrong */ 57bbbe775eSNeil Armstrong 58bbbe775eSNeil Armstrong static const struct drm_mode_config_funcs meson_mode_config_funcs = { 59bbbe775eSNeil Armstrong .atomic_check = drm_atomic_helper_check, 60bbbe775eSNeil Armstrong .atomic_commit = drm_atomic_helper_commit, 6124ef8157SNoralf Trønnes .fb_create = drm_gem_fb_create, 62bbbe775eSNeil Armstrong }; 63bbbe775eSNeil Armstrong 64ce0210c1SNeil Armstrong static const struct drm_mode_config_helper_funcs meson_mode_config_helpers = { 65ce0210c1SNeil Armstrong .atomic_commit_tail = drm_atomic_helper_commit_tail_rpm, 66ce0210c1SNeil Armstrong }; 67ce0210c1SNeil Armstrong 68bbbe775eSNeil Armstrong static irqreturn_t meson_irq(int irq, void *arg) 69bbbe775eSNeil Armstrong { 70bbbe775eSNeil Armstrong struct drm_device *dev = arg; 71bbbe775eSNeil Armstrong struct meson_drm *priv = dev->dev_private; 72bbbe775eSNeil Armstrong 73bbbe775eSNeil Armstrong (void)readl_relaxed(priv->io_base + _REG(VENC_INTFLAG)); 74bbbe775eSNeil Armstrong 75bbbe775eSNeil Armstrong meson_crtc_irq(priv); 76bbbe775eSNeil Armstrong 77bbbe775eSNeil Armstrong return IRQ_HANDLED; 78bbbe775eSNeil Armstrong } 79bbbe775eSNeil Armstrong 80852ce728SNeil Armstrong static int meson_dumb_create(struct drm_file *file, struct drm_device *dev, 81852ce728SNeil Armstrong struct drm_mode_create_dumb *args) 82852ce728SNeil Armstrong { 83852ce728SNeil Armstrong /* 84852ce728SNeil Armstrong * We need 64bytes aligned stride, and PAGE aligned size 85852ce728SNeil Armstrong */ 86852ce728SNeil Armstrong args->pitch = ALIGN(DIV_ROUND_UP(args->width * args->bpp, 8), SZ_64); 87852ce728SNeil Armstrong args->size = PAGE_ALIGN(args->pitch * args->height); 88852ce728SNeil Armstrong 89852ce728SNeil Armstrong return drm_gem_cma_dumb_create_internal(file, dev, args); 90852ce728SNeil Armstrong } 91852ce728SNeil Armstrong 92d55f7e5dSDaniel Vetter DEFINE_DRM_GEM_CMA_FOPS(fops); 93bbbe775eSNeil Armstrong 9470a59dd8SDaniel Vetter static const struct drm_driver meson_driver = { 950424fdafSDaniel Vetter .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC, 96bbbe775eSNeil Armstrong 97bbbe775eSNeil Armstrong /* IRQ */ 98bbbe775eSNeil Armstrong .irq_handler = meson_irq, 99bbbe775eSNeil Armstrong 100b54d830cSThomas Zimmermann /* CMA Ops */ 101b54d830cSThomas Zimmermann DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE(meson_dumb_create), 102bbbe775eSNeil Armstrong 103bbbe775eSNeil Armstrong /* Misc */ 104bbbe775eSNeil Armstrong .fops = &fops, 105bbbe775eSNeil Armstrong .name = DRIVER_NAME, 106bbbe775eSNeil Armstrong .desc = DRIVER_DESC, 107bbbe775eSNeil Armstrong .date = "20161109", 108bbbe775eSNeil Armstrong .major = 1, 109bbbe775eSNeil Armstrong .minor = 0, 110bbbe775eSNeil Armstrong }; 111bbbe775eSNeil Armstrong 112bbbe775eSNeil Armstrong static bool meson_vpu_has_available_connectors(struct device *dev) 113bbbe775eSNeil Armstrong { 114bbbe775eSNeil Armstrong struct device_node *ep, *remote; 115bbbe775eSNeil Armstrong 116bbbe775eSNeil Armstrong /* Parses each endpoint and check if remote exists */ 117bbbe775eSNeil Armstrong for_each_endpoint_of_node(dev->of_node, ep) { 118bbbe775eSNeil Armstrong /* If the endpoint node exists, consider it enabled */ 119bbbe775eSNeil Armstrong remote = of_graph_get_remote_port(ep); 120bbbe775eSNeil Armstrong if (remote) 121bbbe775eSNeil Armstrong return true; 122bbbe775eSNeil Armstrong } 123bbbe775eSNeil Armstrong 124bbbe775eSNeil Armstrong return false; 125bbbe775eSNeil Armstrong } 126bbbe775eSNeil Armstrong 127bbbe775eSNeil Armstrong static struct regmap_config meson_regmap_config = { 128bbbe775eSNeil Armstrong .reg_bits = 32, 129bbbe775eSNeil Armstrong .val_bits = 32, 130bbbe775eSNeil Armstrong .reg_stride = 4, 131bbbe775eSNeil Armstrong .max_register = 0x1000, 132bbbe775eSNeil Armstrong }; 133bbbe775eSNeil Armstrong 13409762525SNeil Armstrong static void meson_vpu_init(struct meson_drm *priv) 13509762525SNeil Armstrong { 136bfb86819SJulien Masson u32 value; 137bfb86819SJulien Masson 138bfb86819SJulien Masson /* 139bfb86819SJulien Masson * Slave dc0 and dc5 connected to master port 1. 140bfb86819SJulien Masson * By default other slaves are connected to master port 0. 141bfb86819SJulien Masson */ 142bfb86819SJulien Masson value = VPU_RDARB_SLAVE_TO_MASTER_PORT(0, 1) | 143bfb86819SJulien Masson VPU_RDARB_SLAVE_TO_MASTER_PORT(5, 1); 144bfb86819SJulien Masson writel_relaxed(value, priv->io_base + _REG(VPU_RDARB_MODE_L1C1)); 145bfb86819SJulien Masson 146bfb86819SJulien Masson /* Slave dc0 connected to master port 1 */ 147bfb86819SJulien Masson value = VPU_RDARB_SLAVE_TO_MASTER_PORT(0, 1); 148bfb86819SJulien Masson writel_relaxed(value, priv->io_base + _REG(VPU_RDARB_MODE_L1C2)); 149bfb86819SJulien Masson 150bfb86819SJulien Masson /* Slave dc4 and dc7 connected to master port 1 */ 151bfb86819SJulien Masson value = VPU_RDARB_SLAVE_TO_MASTER_PORT(4, 1) | 152bfb86819SJulien Masson VPU_RDARB_SLAVE_TO_MASTER_PORT(7, 1); 153bfb86819SJulien Masson writel_relaxed(value, priv->io_base + _REG(VPU_RDARB_MODE_L2C1)); 154bfb86819SJulien Masson 155bfb86819SJulien Masson /* Slave dc1 connected to master port 1 */ 156bfb86819SJulien Masson value = VPU_RDARB_SLAVE_TO_MASTER_PORT(1, 1); 157bfb86819SJulien Masson writel_relaxed(value, priv->io_base + _REG(VPU_WRARB_MODE_L2C1)); 15809762525SNeil Armstrong } 15909762525SNeil Armstrong 1608976eeeeSNeil Armstrong struct meson_drm_soc_attr { 1618976eeeeSNeil Armstrong struct meson_drm_soc_limits limits; 1628976eeeeSNeil Armstrong const struct soc_device_attribute *attrs; 1638976eeeeSNeil Armstrong }; 1648976eeeeSNeil Armstrong 1658976eeeeSNeil Armstrong static const struct meson_drm_soc_attr meson_drm_soc_attrs[] = { 1668976eeeeSNeil Armstrong /* S805X/S805Y HDMI PLL won't lock for HDMI PHY freq > 1,65GHz */ 1678976eeeeSNeil Armstrong { 1688976eeeeSNeil Armstrong .limits = { 1698976eeeeSNeil Armstrong .max_hdmi_phy_freq = 1650000, 1708976eeeeSNeil Armstrong }, 1718976eeeeSNeil Armstrong .attrs = (const struct soc_device_attribute []) { 1728976eeeeSNeil Armstrong { .soc_id = "GXL (S805*)", }, 1738976eeeeSNeil Armstrong { /* sentinel */ }, 1748976eeeeSNeil Armstrong } 1758976eeeeSNeil Armstrong }, 1768976eeeeSNeil Armstrong }; 1778976eeeeSNeil Armstrong 1788604889fSNeil Armstrong static int meson_drv_bind_master(struct device *dev, bool has_components) 179bbbe775eSNeil Armstrong { 180a41e82e6SNeil Armstrong struct platform_device *pdev = to_platform_device(dev); 181d1b5e41eSNeil Armstrong const struct meson_drm_match_data *match; 182bbbe775eSNeil Armstrong struct meson_drm *priv; 183bbbe775eSNeil Armstrong struct drm_device *drm; 184bbbe775eSNeil Armstrong struct resource *res; 185bbbe775eSNeil Armstrong void __iomem *regs; 1868976eeeeSNeil Armstrong int ret, i; 187bbbe775eSNeil Armstrong 188bbbe775eSNeil Armstrong /* Checks if an output connector is available */ 189bbbe775eSNeil Armstrong if (!meson_vpu_has_available_connectors(dev)) { 190bbbe775eSNeil Armstrong dev_err(dev, "No output connector available\n"); 191bbbe775eSNeil Armstrong return -ENODEV; 192bbbe775eSNeil Armstrong } 193bbbe775eSNeil Armstrong 194d1b5e41eSNeil Armstrong match = of_device_get_match_data(dev); 195d1b5e41eSNeil Armstrong if (!match) 196d1b5e41eSNeil Armstrong return -ENODEV; 197d1b5e41eSNeil Armstrong 198bbbe775eSNeil Armstrong drm = drm_dev_alloc(&meson_driver, dev); 199bbbe775eSNeil Armstrong if (IS_ERR(drm)) 200bbbe775eSNeil Armstrong return PTR_ERR(drm); 201bbbe775eSNeil Armstrong 202bbbe775eSNeil Armstrong priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); 203bbbe775eSNeil Armstrong if (!priv) { 204bbbe775eSNeil Armstrong ret = -ENOMEM; 205bbbe775eSNeil Armstrong goto free_drm; 206bbbe775eSNeil Armstrong } 207bbbe775eSNeil Armstrong drm->dev_private = priv; 208bbbe775eSNeil Armstrong priv->drm = drm; 209bbbe775eSNeil Armstrong priv->dev = dev; 210d1b5e41eSNeil Armstrong priv->compat = match->compat; 211d1b5e41eSNeil Armstrong priv->afbcd.ops = match->afbcd_ops; 212528a25d0SJulien Masson 213bbbe775eSNeil Armstrong res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "vpu"); 214bbbe775eSNeil Armstrong regs = devm_ioremap_resource(dev, res); 2152c18107bSChristophe JAILLET if (IS_ERR(regs)) { 2162c18107bSChristophe JAILLET ret = PTR_ERR(regs); 2172c18107bSChristophe JAILLET goto free_drm; 2182c18107bSChristophe JAILLET } 219bbbe775eSNeil Armstrong 220bbbe775eSNeil Armstrong priv->io_base = regs; 221bbbe775eSNeil Armstrong 222bbbe775eSNeil Armstrong res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "hhi"); 22301a9e949SChristophe JAILLET if (!res) { 22401a9e949SChristophe JAILLET ret = -EINVAL; 22501a9e949SChristophe JAILLET goto free_drm; 22601a9e949SChristophe JAILLET } 227bbbe775eSNeil Armstrong /* Simply ioremap since it may be a shared register zone */ 228bbbe775eSNeil Armstrong regs = devm_ioremap(dev, res->start, resource_size(res)); 2292c18107bSChristophe JAILLET if (!regs) { 2302c18107bSChristophe JAILLET ret = -EADDRNOTAVAIL; 2312c18107bSChristophe JAILLET goto free_drm; 2322c18107bSChristophe JAILLET } 233bbbe775eSNeil Armstrong 234bbbe775eSNeil Armstrong priv->hhi = devm_regmap_init_mmio(dev, regs, 235bbbe775eSNeil Armstrong &meson_regmap_config); 236bbbe775eSNeil Armstrong if (IS_ERR(priv->hhi)) { 237bbbe775eSNeil Armstrong dev_err(&pdev->dev, "Couldn't create the HHI regmap\n"); 2382c18107bSChristophe JAILLET ret = PTR_ERR(priv->hhi); 2392c18107bSChristophe JAILLET goto free_drm; 240bbbe775eSNeil Armstrong } 241bbbe775eSNeil Armstrong 24266cae477SMaxime Jourdan priv->canvas = meson_canvas_get(dev); 2432bf6b5b0SMaxime Jourdan if (IS_ERR(priv->canvas)) { 2442bf6b5b0SMaxime Jourdan ret = PTR_ERR(priv->canvas); 2452bf6b5b0SMaxime Jourdan goto free_drm; 2462bf6b5b0SMaxime Jourdan } 2472bf6b5b0SMaxime Jourdan 24866cae477SMaxime Jourdan ret = meson_canvas_alloc(priv->canvas, &priv->canvas_id_osd1); 24966cae477SMaxime Jourdan if (ret) 25066cae477SMaxime Jourdan goto free_drm; 251f9a23481SNeil Armstrong ret = meson_canvas_alloc(priv->canvas, &priv->canvas_id_vd1_0); 252f9a23481SNeil Armstrong if (ret) { 253f9a23481SNeil Armstrong meson_canvas_free(priv->canvas, priv->canvas_id_osd1); 254f9a23481SNeil Armstrong goto free_drm; 255f9a23481SNeil Armstrong } 256f9a23481SNeil Armstrong ret = meson_canvas_alloc(priv->canvas, &priv->canvas_id_vd1_1); 257f9a23481SNeil Armstrong if (ret) { 258f9a23481SNeil Armstrong meson_canvas_free(priv->canvas, priv->canvas_id_osd1); 259f9a23481SNeil Armstrong meson_canvas_free(priv->canvas, priv->canvas_id_vd1_0); 260f9a23481SNeil Armstrong goto free_drm; 261f9a23481SNeil Armstrong } 262f9a23481SNeil Armstrong ret = meson_canvas_alloc(priv->canvas, &priv->canvas_id_vd1_2); 263f9a23481SNeil Armstrong if (ret) { 264f9a23481SNeil Armstrong meson_canvas_free(priv->canvas, priv->canvas_id_osd1); 265f9a23481SNeil Armstrong meson_canvas_free(priv->canvas, priv->canvas_id_vd1_0); 266f9a23481SNeil Armstrong meson_canvas_free(priv->canvas, priv->canvas_id_vd1_1); 267f9a23481SNeil Armstrong goto free_drm; 268f9a23481SNeil Armstrong } 269bbbe775eSNeil Armstrong 270bbbe775eSNeil Armstrong priv->vsync_irq = platform_get_irq(pdev, 0); 271bbbe775eSNeil Armstrong 272e770f6bfSChristophe JAILLET ret = drm_vblank_init(drm, 1); 273e770f6bfSChristophe JAILLET if (ret) 274e770f6bfSChristophe JAILLET goto free_drm; 275e770f6bfSChristophe JAILLET 2768976eeeeSNeil Armstrong /* Assign limits per soc revision/package */ 2778976eeeeSNeil Armstrong for (i = 0 ; i < ARRAY_SIZE(meson_drm_soc_attrs) ; ++i) { 2788976eeeeSNeil Armstrong if (soc_device_match(meson_drm_soc_attrs[i].attrs)) { 2798976eeeeSNeil Armstrong priv->limits = &meson_drm_soc_attrs[i].limits; 2808976eeeeSNeil Armstrong break; 2818976eeeeSNeil Armstrong } 2828976eeeeSNeil Armstrong } 2838976eeeeSNeil Armstrong 2846848c291SThomas Zimmermann /* 2856848c291SThomas Zimmermann * Remove early framebuffers (ie. simplefb). The framebuffer can be 2866848c291SThomas Zimmermann * located anywhere in RAM 2876848c291SThomas Zimmermann */ 288*97c9bfe3SThomas Zimmermann ret = drm_aperture_remove_framebuffers(false, &meson_driver); 2896848c291SThomas Zimmermann if (ret) 2906848c291SThomas Zimmermann goto free_drm; 291e3de0aa6SMaxime Jourdan 292bd9ff7b5SDaniel Vetter ret = drmm_mode_config_init(drm); 293bd9ff7b5SDaniel Vetter if (ret) 294bd9ff7b5SDaniel Vetter goto free_drm; 295a41e82e6SNeil Armstrong drm->mode_config.max_width = 3840; 296a41e82e6SNeil Armstrong drm->mode_config.max_height = 2160; 297a41e82e6SNeil Armstrong drm->mode_config.funcs = &meson_mode_config_funcs; 298ce0210c1SNeil Armstrong drm->mode_config.helper_private = &meson_mode_config_helpers; 299a41e82e6SNeil Armstrong 300a41e82e6SNeil Armstrong /* Hardware Initialization */ 301a41e82e6SNeil Armstrong 30209762525SNeil Armstrong meson_vpu_init(priv); 303a41e82e6SNeil Armstrong meson_venc_init(priv); 304a41e82e6SNeil Armstrong meson_vpp_init(priv); 305a41e82e6SNeil Armstrong meson_viu_init(priv); 306d1b5e41eSNeil Armstrong if (priv->afbcd.ops) { 307d1b5e41eSNeil Armstrong ret = priv->afbcd.ops->init(priv); 308d1b5e41eSNeil Armstrong if (ret) 309d1b5e41eSNeil Armstrong return ret; 310d1b5e41eSNeil Armstrong } 311bbbe775eSNeil Armstrong 312bbbe775eSNeil Armstrong /* Encoder Initialization */ 313bbbe775eSNeil Armstrong 314bbbe775eSNeil Armstrong ret = meson_venc_cvbs_create(priv); 315bbbe775eSNeil Armstrong if (ret) 316bbbe775eSNeil Armstrong goto free_drm; 317bbbe775eSNeil Armstrong 3188604889fSNeil Armstrong if (has_components) { 319a41e82e6SNeil Armstrong ret = component_bind_all(drm->dev, drm); 320a41e82e6SNeil Armstrong if (ret) { 321a41e82e6SNeil Armstrong dev_err(drm->dev, "Couldn't bind all components\n"); 322a41e82e6SNeil Armstrong goto free_drm; 323a41e82e6SNeil Armstrong } 3248604889fSNeil Armstrong } 325bbbe775eSNeil Armstrong 326bbbe775eSNeil Armstrong ret = meson_plane_create(priv); 327bbbe775eSNeil Armstrong if (ret) 328bbbe775eSNeil Armstrong goto free_drm; 329bbbe775eSNeil Armstrong 330f9a23481SNeil Armstrong ret = meson_overlay_create(priv); 331f9a23481SNeil Armstrong if (ret) 332f9a23481SNeil Armstrong goto free_drm; 333f9a23481SNeil Armstrong 334bbbe775eSNeil Armstrong ret = meson_crtc_create(priv); 335bbbe775eSNeil Armstrong if (ret) 336bbbe775eSNeil Armstrong goto free_drm; 337bbbe775eSNeil Armstrong 338bbbe775eSNeil Armstrong ret = drm_irq_install(drm, priv->vsync_irq); 339bbbe775eSNeil Armstrong if (ret) 340bbbe775eSNeil Armstrong goto free_drm; 341bbbe775eSNeil Armstrong 342bbbe775eSNeil Armstrong drm_mode_config_reset(drm); 343bbbe775eSNeil Armstrong 344bbbe775eSNeil Armstrong drm_kms_helper_poll_init(drm); 345bbbe775eSNeil Armstrong 346bbbe775eSNeil Armstrong platform_set_drvdata(pdev, priv); 347bbbe775eSNeil Armstrong 348bbbe775eSNeil Armstrong ret = drm_dev_register(drm, 0); 349bbbe775eSNeil Armstrong if (ret) 3502d8f9289SJean-Philippe Brucker goto uninstall_irq; 351bbbe775eSNeil Armstrong 352efbb9df9SNoralf Trønnes drm_fbdev_generic_setup(drm, 32); 353efbb9df9SNoralf Trønnes 354bbbe775eSNeil Armstrong return 0; 355bbbe775eSNeil Armstrong 3562d8f9289SJean-Philippe Brucker uninstall_irq: 3572d8f9289SJean-Philippe Brucker drm_irq_uninstall(drm); 358bbbe775eSNeil Armstrong free_drm: 359dcacf651SChristophe JAILLET drm_dev_put(drm); 360bbbe775eSNeil Armstrong 361bbbe775eSNeil Armstrong return ret; 362bbbe775eSNeil Armstrong } 363bbbe775eSNeil Armstrong 3648604889fSNeil Armstrong static int meson_drv_bind(struct device *dev) 3658604889fSNeil Armstrong { 3668604889fSNeil Armstrong return meson_drv_bind_master(dev, true); 3678604889fSNeil Armstrong } 3688604889fSNeil Armstrong 369a41e82e6SNeil Armstrong static void meson_drv_unbind(struct device *dev) 370bbbe775eSNeil Armstrong { 371776e7867SJean-Philippe Brucker struct meson_drm *priv = dev_get_drvdata(dev); 372776e7867SJean-Philippe Brucker struct drm_device *drm = priv->drm; 37366cae477SMaxime Jourdan 374f9a23481SNeil Armstrong if (priv->canvas) { 37566cae477SMaxime Jourdan meson_canvas_free(priv->canvas, priv->canvas_id_osd1); 376f9a23481SNeil Armstrong meson_canvas_free(priv->canvas, priv->canvas_id_vd1_0); 377f9a23481SNeil Armstrong meson_canvas_free(priv->canvas, priv->canvas_id_vd1_1); 378f9a23481SNeil Armstrong meson_canvas_free(priv->canvas, priv->canvas_id_vd1_2); 379f9a23481SNeil Armstrong } 380bbbe775eSNeil Armstrong 381bbbe775eSNeil Armstrong drm_dev_unregister(drm); 382bbbe775eSNeil Armstrong drm_kms_helper_poll_fini(drm); 383e78ad18bSMarc Zyngier drm_atomic_helper_shutdown(drm); 384e78ad18bSMarc Zyngier component_unbind_all(dev, drm); 385e78ad18bSMarc Zyngier drm_irq_uninstall(drm); 386dcacf651SChristophe JAILLET drm_dev_put(drm); 387fa62ee25SMarc Zyngier 388fa62ee25SMarc Zyngier if (priv->afbcd.ops) { 389fa62ee25SMarc Zyngier priv->afbcd.ops->reset(priv); 390fa62ee25SMarc Zyngier meson_rdma_free(priv); 391fa62ee25SMarc Zyngier } 392bbbe775eSNeil Armstrong } 393bbbe775eSNeil Armstrong 394a41e82e6SNeil Armstrong static const struct component_master_ops meson_drv_master_ops = { 395a41e82e6SNeil Armstrong .bind = meson_drv_bind, 396a41e82e6SNeil Armstrong .unbind = meson_drv_unbind, 397a41e82e6SNeil Armstrong }; 398a41e82e6SNeil Armstrong 399cf3d4e53SNeil Armstrong static int __maybe_unused meson_drv_pm_suspend(struct device *dev) 400cf3d4e53SNeil Armstrong { 401cf3d4e53SNeil Armstrong struct meson_drm *priv = dev_get_drvdata(dev); 402cf3d4e53SNeil Armstrong 403cf3d4e53SNeil Armstrong if (!priv) 404cf3d4e53SNeil Armstrong return 0; 405cf3d4e53SNeil Armstrong 406cf3d4e53SNeil Armstrong return drm_mode_config_helper_suspend(priv->drm); 407cf3d4e53SNeil Armstrong } 408cf3d4e53SNeil Armstrong 409cf3d4e53SNeil Armstrong static int __maybe_unused meson_drv_pm_resume(struct device *dev) 410cf3d4e53SNeil Armstrong { 411cf3d4e53SNeil Armstrong struct meson_drm *priv = dev_get_drvdata(dev); 412cf3d4e53SNeil Armstrong 413cf3d4e53SNeil Armstrong if (!priv) 414cf3d4e53SNeil Armstrong return 0; 415cf3d4e53SNeil Armstrong 416cf3d4e53SNeil Armstrong meson_vpu_init(priv); 417cf3d4e53SNeil Armstrong meson_venc_init(priv); 418cf3d4e53SNeil Armstrong meson_vpp_init(priv); 419cf3d4e53SNeil Armstrong meson_viu_init(priv); 420d1b5e41eSNeil Armstrong if (priv->afbcd.ops) 421d1b5e41eSNeil Armstrong priv->afbcd.ops->init(priv); 422cf3d4e53SNeil Armstrong 423c54a8f1fSBernard Zhao return drm_mode_config_helper_resume(priv->drm); 424cf3d4e53SNeil Armstrong } 425cf3d4e53SNeil Armstrong 426a41e82e6SNeil Armstrong static int compare_of(struct device *dev, void *data) 427a41e82e6SNeil Armstrong { 4284bf99144SRob Herring DRM_DEBUG_DRIVER("Comparing of node %pOF with %pOF\n", 4294bf99144SRob Herring dev->of_node, data); 430a41e82e6SNeil Armstrong 431a41e82e6SNeil Armstrong return dev->of_node == data; 432a41e82e6SNeil Armstrong } 433a41e82e6SNeil Armstrong 434a41e82e6SNeil Armstrong /* Possible connectors nodes to ignore */ 435a41e82e6SNeil Armstrong static const struct of_device_id connectors_match[] = { 436a41e82e6SNeil Armstrong { .compatible = "composite-video-connector" }, 437a41e82e6SNeil Armstrong { .compatible = "svideo-connector" }, 438a41e82e6SNeil Armstrong { .compatible = "hdmi-connector" }, 439a41e82e6SNeil Armstrong { .compatible = "dvi-connector" }, 440a41e82e6SNeil Armstrong {} 441a41e82e6SNeil Armstrong }; 442a41e82e6SNeil Armstrong 443a41e82e6SNeil Armstrong static int meson_probe_remote(struct platform_device *pdev, 444a41e82e6SNeil Armstrong struct component_match **match, 445a41e82e6SNeil Armstrong struct device_node *parent, 446a41e82e6SNeil Armstrong struct device_node *remote) 447a41e82e6SNeil Armstrong { 448a41e82e6SNeil Armstrong struct device_node *ep, *remote_node; 449a41e82e6SNeil Armstrong int count = 1; 450a41e82e6SNeil Armstrong 451a41e82e6SNeil Armstrong /* If node is a connector, return and do not add to match table */ 452a41e82e6SNeil Armstrong if (of_match_node(connectors_match, remote)) 453a41e82e6SNeil Armstrong return 1; 454a41e82e6SNeil Armstrong 455a41e82e6SNeil Armstrong component_match_add(&pdev->dev, match, compare_of, remote); 456a41e82e6SNeil Armstrong 457a41e82e6SNeil Armstrong for_each_endpoint_of_node(remote, ep) { 458a41e82e6SNeil Armstrong remote_node = of_graph_get_remote_port_parent(ep); 459a41e82e6SNeil Armstrong if (!remote_node || 460a41e82e6SNeil Armstrong remote_node == parent || /* Ignore parent endpoint */ 461f672b93eSJulia Lawall !of_device_is_available(remote_node)) { 462f672b93eSJulia Lawall of_node_put(remote_node); 463a41e82e6SNeil Armstrong continue; 464f672b93eSJulia Lawall } 465a41e82e6SNeil Armstrong 466a41e82e6SNeil Armstrong count += meson_probe_remote(pdev, match, remote, remote_node); 467a41e82e6SNeil Armstrong 468a41e82e6SNeil Armstrong of_node_put(remote_node); 469a41e82e6SNeil Armstrong } 470a41e82e6SNeil Armstrong 471a41e82e6SNeil Armstrong return count; 472a41e82e6SNeil Armstrong } 473a41e82e6SNeil Armstrong 474fa0c16caSArtem Lapkin static void meson_drv_shutdown(struct platform_device *pdev) 475fa0c16caSArtem Lapkin { 476fa0c16caSArtem Lapkin struct meson_drm *priv = dev_get_drvdata(&pdev->dev); 477fa0c16caSArtem Lapkin struct drm_device *drm = priv->drm; 478fa0c16caSArtem Lapkin 479fa0c16caSArtem Lapkin DRM_DEBUG_DRIVER("\n"); 480fa0c16caSArtem Lapkin drm_kms_helper_poll_fini(drm); 481fa0c16caSArtem Lapkin drm_atomic_helper_shutdown(drm); 482fa0c16caSArtem Lapkin } 483fa0c16caSArtem Lapkin 484a41e82e6SNeil Armstrong static int meson_drv_probe(struct platform_device *pdev) 485a41e82e6SNeil Armstrong { 486a41e82e6SNeil Armstrong struct component_match *match = NULL; 487a41e82e6SNeil Armstrong struct device_node *np = pdev->dev.of_node; 488a41e82e6SNeil Armstrong struct device_node *ep, *remote; 489a41e82e6SNeil Armstrong int count = 0; 490a41e82e6SNeil Armstrong 491a41e82e6SNeil Armstrong for_each_endpoint_of_node(np, ep) { 492a41e82e6SNeil Armstrong remote = of_graph_get_remote_port_parent(ep); 493f672b93eSJulia Lawall if (!remote || !of_device_is_available(remote)) { 494f672b93eSJulia Lawall of_node_put(remote); 495a41e82e6SNeil Armstrong continue; 496f672b93eSJulia Lawall } 497a41e82e6SNeil Armstrong 498a41e82e6SNeil Armstrong count += meson_probe_remote(pdev, &match, np, remote); 499f672b93eSJulia Lawall of_node_put(remote); 500a41e82e6SNeil Armstrong } 501a41e82e6SNeil Armstrong 5028604889fSNeil Armstrong if (count && !match) 5038604889fSNeil Armstrong return meson_drv_bind_master(&pdev->dev, false); 5048604889fSNeil Armstrong 505a41e82e6SNeil Armstrong /* If some endpoints were found, initialize the nodes */ 506a41e82e6SNeil Armstrong if (count) { 507a41e82e6SNeil Armstrong dev_info(&pdev->dev, "Queued %d outputs on vpu\n", count); 508a41e82e6SNeil Armstrong 509a41e82e6SNeil Armstrong return component_master_add_with_match(&pdev->dev, 510a41e82e6SNeil Armstrong &meson_drv_master_ops, 511a41e82e6SNeil Armstrong match); 512a41e82e6SNeil Armstrong } 513a41e82e6SNeil Armstrong 514a41e82e6SNeil Armstrong /* If no output endpoints were available, simply bail out */ 515a41e82e6SNeil Armstrong return 0; 516a41e82e6SNeil Armstrong }; 517a41e82e6SNeil Armstrong 518d1b5e41eSNeil Armstrong static struct meson_drm_match_data meson_drm_gxbb_data = { 519d1b5e41eSNeil Armstrong .compat = VPU_COMPATIBLE_GXBB, 520d1b5e41eSNeil Armstrong }; 521d1b5e41eSNeil Armstrong 522d1b5e41eSNeil Armstrong static struct meson_drm_match_data meson_drm_gxl_data = { 523d1b5e41eSNeil Armstrong .compat = VPU_COMPATIBLE_GXL, 524d1b5e41eSNeil Armstrong }; 525d1b5e41eSNeil Armstrong 526d1b5e41eSNeil Armstrong static struct meson_drm_match_data meson_drm_gxm_data = { 527d1b5e41eSNeil Armstrong .compat = VPU_COMPATIBLE_GXM, 528d1b5e41eSNeil Armstrong .afbcd_ops = &meson_afbcd_gxm_ops, 529d1b5e41eSNeil Armstrong }; 530d1b5e41eSNeil Armstrong 531d1b5e41eSNeil Armstrong static struct meson_drm_match_data meson_drm_g12a_data = { 532d1b5e41eSNeil Armstrong .compat = VPU_COMPATIBLE_G12A, 533d1b5e41eSNeil Armstrong .afbcd_ops = &meson_afbcd_g12a_ops, 534d1b5e41eSNeil Armstrong }; 535d1b5e41eSNeil Armstrong 536bbbe775eSNeil Armstrong static const struct of_device_id dt_match[] = { 537528a25d0SJulien Masson { .compatible = "amlogic,meson-gxbb-vpu", 538d1b5e41eSNeil Armstrong .data = (void *)&meson_drm_gxbb_data }, 539528a25d0SJulien Masson { .compatible = "amlogic,meson-gxl-vpu", 540d1b5e41eSNeil Armstrong .data = (void *)&meson_drm_gxl_data }, 541528a25d0SJulien Masson { .compatible = "amlogic,meson-gxm-vpu", 542d1b5e41eSNeil Armstrong .data = (void *)&meson_drm_gxm_data }, 543528a25d0SJulien Masson { .compatible = "amlogic,meson-g12a-vpu", 544d1b5e41eSNeil Armstrong .data = (void *)&meson_drm_g12a_data }, 545bbbe775eSNeil Armstrong {} 546bbbe775eSNeil Armstrong }; 547bbbe775eSNeil Armstrong MODULE_DEVICE_TABLE(of, dt_match); 548bbbe775eSNeil Armstrong 549cf3d4e53SNeil Armstrong static const struct dev_pm_ops meson_drv_pm_ops = { 550cf3d4e53SNeil Armstrong SET_SYSTEM_SLEEP_PM_OPS(meson_drv_pm_suspend, meson_drv_pm_resume) 551cf3d4e53SNeil Armstrong }; 552cf3d4e53SNeil Armstrong 553bbbe775eSNeil Armstrong static struct platform_driver meson_drm_platform_driver = { 554bbbe775eSNeil Armstrong .probe = meson_drv_probe, 555fa0c16caSArtem Lapkin .shutdown = meson_drv_shutdown, 556bbbe775eSNeil Armstrong .driver = { 5578aaacbc0SNeil Armstrong .name = "meson-drm", 558bbbe775eSNeil Armstrong .of_match_table = dt_match, 559cf3d4e53SNeil Armstrong .pm = &meson_drv_pm_ops, 560bbbe775eSNeil Armstrong }, 561bbbe775eSNeil Armstrong }; 562bbbe775eSNeil Armstrong 563bbbe775eSNeil Armstrong module_platform_driver(meson_drm_platform_driver); 564bbbe775eSNeil Armstrong 565bbbe775eSNeil Armstrong MODULE_AUTHOR("Jasper St. Pierre <jstpierre@mecheye.net>"); 566bbbe775eSNeil Armstrong MODULE_AUTHOR("Neil Armstrong <narmstrong@baylibre.com>"); 567bbbe775eSNeil Armstrong MODULE_DESCRIPTION(DRIVER_DESC); 568bbbe775eSNeil Armstrong MODULE_LICENSE("GPL"); 569