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> 224a83c26aSDanilo Krummrich #include <drm/drm_gem_dma_helper.h> 2324ef8157SNoralf Trønnes #include <drm/drm_gem_framebuffer_helper.h> 2466620f48SSam Ravnborg #include <drm/drm_modeset_helper_vtables.h> 25a9b19b0dSJavier Martinez Canillas #include <drm/drm_module.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" 3572317eaaSNeil Armstrong #include "meson_encoder_cvbs.h" 36e67f6037SNeil Armstrong #include "meson_encoder_hdmi.h" 3766620f48SSam Ravnborg #include "meson_viu.h" 3866620f48SSam Ravnborg #include "meson_vpp.h" 39d1b5e41eSNeil Armstrong #include "meson_rdma.h" 40bbbe775eSNeil Armstrong 41bbbe775eSNeil Armstrong #define DRIVER_NAME "meson" 42bbbe775eSNeil Armstrong #define DRIVER_DESC "Amlogic Meson DRM driver" 43bbbe775eSNeil Armstrong 442021d5b7SNeil Armstrong /** 452021d5b7SNeil Armstrong * DOC: Video Processing Unit 46bbbe775eSNeil Armstrong * 47bbbe775eSNeil Armstrong * VPU Handles the Global Video Processing, it includes management of the 48bbbe775eSNeil Armstrong * clocks gates, blocks reset lines and power domains. 49bbbe775eSNeil Armstrong * 50bbbe775eSNeil Armstrong * What is missing : 512021d5b7SNeil Armstrong * 52bbbe775eSNeil Armstrong * - Full reset of entire video processing HW blocks 53bbbe775eSNeil Armstrong * - Scaling and setup of the VPU clock 54bbbe775eSNeil Armstrong * - Bus clock gates 55bbbe775eSNeil Armstrong * - Powering up video processing HW blocks 56bbbe775eSNeil Armstrong * - Powering Up HDMI controller and PHY 57bbbe775eSNeil Armstrong */ 58bbbe775eSNeil Armstrong 59bbbe775eSNeil Armstrong static const struct drm_mode_config_funcs meson_mode_config_funcs = { 60bbbe775eSNeil Armstrong .atomic_check = drm_atomic_helper_check, 61bbbe775eSNeil Armstrong .atomic_commit = drm_atomic_helper_commit, 6224ef8157SNoralf Trønnes .fb_create = drm_gem_fb_create, 63bbbe775eSNeil Armstrong }; 64bbbe775eSNeil Armstrong 65ce0210c1SNeil Armstrong static const struct drm_mode_config_helper_funcs meson_mode_config_helpers = { 66ce0210c1SNeil Armstrong .atomic_commit_tail = drm_atomic_helper_commit_tail_rpm, 67ce0210c1SNeil Armstrong }; 68ce0210c1SNeil Armstrong 69bbbe775eSNeil Armstrong static irqreturn_t meson_irq(int irq, void *arg) 70bbbe775eSNeil Armstrong { 71bbbe775eSNeil Armstrong struct drm_device *dev = arg; 72bbbe775eSNeil Armstrong struct meson_drm *priv = dev->dev_private; 73bbbe775eSNeil Armstrong 74bbbe775eSNeil Armstrong (void)readl_relaxed(priv->io_base + _REG(VENC_INTFLAG)); 75bbbe775eSNeil Armstrong 76bbbe775eSNeil Armstrong meson_crtc_irq(priv); 77bbbe775eSNeil Armstrong 78bbbe775eSNeil Armstrong return IRQ_HANDLED; 79bbbe775eSNeil Armstrong } 80bbbe775eSNeil Armstrong 81852ce728SNeil Armstrong static int meson_dumb_create(struct drm_file *file, struct drm_device *dev, 82852ce728SNeil Armstrong struct drm_mode_create_dumb *args) 83852ce728SNeil Armstrong { 84852ce728SNeil Armstrong /* 85852ce728SNeil Armstrong * We need 64bytes aligned stride, and PAGE aligned size 86852ce728SNeil Armstrong */ 87852ce728SNeil Armstrong args->pitch = ALIGN(DIV_ROUND_UP(args->width * args->bpp, 8), SZ_64); 88852ce728SNeil Armstrong args->size = PAGE_ALIGN(args->pitch * args->height); 89852ce728SNeil Armstrong 904a83c26aSDanilo Krummrich return drm_gem_dma_dumb_create_internal(file, dev, args); 91852ce728SNeil Armstrong } 92852ce728SNeil Armstrong 934a83c26aSDanilo Krummrich DEFINE_DRM_GEM_DMA_FOPS(fops); 94bbbe775eSNeil Armstrong 9570a59dd8SDaniel Vetter static const struct drm_driver meson_driver = { 960424fdafSDaniel Vetter .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC, 97bbbe775eSNeil Armstrong 984a83c26aSDanilo Krummrich /* DMA Ops */ 994a83c26aSDanilo Krummrich DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE(meson_dumb_create), 100bbbe775eSNeil Armstrong 101bbbe775eSNeil Armstrong /* Misc */ 102bbbe775eSNeil Armstrong .fops = &fops, 103bbbe775eSNeil Armstrong .name = DRIVER_NAME, 104bbbe775eSNeil Armstrong .desc = DRIVER_DESC, 105bbbe775eSNeil Armstrong .date = "20161109", 106bbbe775eSNeil Armstrong .major = 1, 107bbbe775eSNeil Armstrong .minor = 0, 108bbbe775eSNeil Armstrong }; 109bbbe775eSNeil Armstrong 110bbbe775eSNeil Armstrong static bool meson_vpu_has_available_connectors(struct device *dev) 111bbbe775eSNeil Armstrong { 112bbbe775eSNeil Armstrong struct device_node *ep, *remote; 113bbbe775eSNeil Armstrong 114bbbe775eSNeil Armstrong /* Parses each endpoint and check if remote exists */ 115bbbe775eSNeil Armstrong for_each_endpoint_of_node(dev->of_node, ep) { 116bbbe775eSNeil Armstrong /* If the endpoint node exists, consider it enabled */ 117bbbe775eSNeil Armstrong remote = of_graph_get_remote_port(ep); 11891b3c8dbSLiang He if (remote) { 11991b3c8dbSLiang He of_node_put(remote); 12091b3c8dbSLiang He of_node_put(ep); 121bbbe775eSNeil Armstrong return true; 122bbbe775eSNeil Armstrong } 12391b3c8dbSLiang He } 124bbbe775eSNeil Armstrong 125bbbe775eSNeil Armstrong return false; 126bbbe775eSNeil Armstrong } 127bbbe775eSNeil Armstrong 128bbbe775eSNeil Armstrong static struct regmap_config meson_regmap_config = { 129bbbe775eSNeil Armstrong .reg_bits = 32, 130bbbe775eSNeil Armstrong .val_bits = 32, 131bbbe775eSNeil Armstrong .reg_stride = 4, 132bbbe775eSNeil Armstrong .max_register = 0x1000, 133bbbe775eSNeil Armstrong }; 134bbbe775eSNeil Armstrong 13509762525SNeil Armstrong static void meson_vpu_init(struct meson_drm *priv) 13609762525SNeil Armstrong { 137bfb86819SJulien Masson u32 value; 138bfb86819SJulien Masson 139bfb86819SJulien Masson /* 140bfb86819SJulien Masson * Slave dc0 and dc5 connected to master port 1. 141bfb86819SJulien Masson * By default other slaves are connected to master port 0. 142bfb86819SJulien Masson */ 143bfb86819SJulien Masson value = VPU_RDARB_SLAVE_TO_MASTER_PORT(0, 1) | 144bfb86819SJulien Masson VPU_RDARB_SLAVE_TO_MASTER_PORT(5, 1); 145bfb86819SJulien Masson writel_relaxed(value, priv->io_base + _REG(VPU_RDARB_MODE_L1C1)); 146bfb86819SJulien Masson 147bfb86819SJulien Masson /* Slave dc0 connected to master port 1 */ 148bfb86819SJulien Masson value = VPU_RDARB_SLAVE_TO_MASTER_PORT(0, 1); 149bfb86819SJulien Masson writel_relaxed(value, priv->io_base + _REG(VPU_RDARB_MODE_L1C2)); 150bfb86819SJulien Masson 151bfb86819SJulien Masson /* Slave dc4 and dc7 connected to master port 1 */ 152bfb86819SJulien Masson value = VPU_RDARB_SLAVE_TO_MASTER_PORT(4, 1) | 153bfb86819SJulien Masson VPU_RDARB_SLAVE_TO_MASTER_PORT(7, 1); 154bfb86819SJulien Masson writel_relaxed(value, priv->io_base + _REG(VPU_RDARB_MODE_L2C1)); 155bfb86819SJulien Masson 156bfb86819SJulien Masson /* Slave dc1 connected to master port 1 */ 157bfb86819SJulien Masson value = VPU_RDARB_SLAVE_TO_MASTER_PORT(1, 1); 158bfb86819SJulien Masson writel_relaxed(value, priv->io_base + _REG(VPU_WRARB_MODE_L2C1)); 15909762525SNeil Armstrong } 16009762525SNeil Armstrong 1618976eeeeSNeil Armstrong struct meson_drm_soc_attr { 1628976eeeeSNeil Armstrong struct meson_drm_soc_limits limits; 1638976eeeeSNeil Armstrong const struct soc_device_attribute *attrs; 1648976eeeeSNeil Armstrong }; 1658976eeeeSNeil Armstrong 1668976eeeeSNeil Armstrong static const struct meson_drm_soc_attr meson_drm_soc_attrs[] = { 1678976eeeeSNeil Armstrong /* S805X/S805Y HDMI PLL won't lock for HDMI PHY freq > 1,65GHz */ 1688976eeeeSNeil Armstrong { 1698976eeeeSNeil Armstrong .limits = { 1708976eeeeSNeil Armstrong .max_hdmi_phy_freq = 1650000, 1718976eeeeSNeil Armstrong }, 1728976eeeeSNeil Armstrong .attrs = (const struct soc_device_attribute []) { 1738976eeeeSNeil Armstrong { .soc_id = "GXL (S805*)", }, 174f6e68388SGeert Uytterhoeven { /* sentinel */ } 1758976eeeeSNeil Armstrong } 1768976eeeeSNeil Armstrong }, 1778976eeeeSNeil Armstrong }; 1788976eeeeSNeil Armstrong 1798604889fSNeil Armstrong static int meson_drv_bind_master(struct device *dev, bool has_components) 180bbbe775eSNeil Armstrong { 181a41e82e6SNeil Armstrong struct platform_device *pdev = to_platform_device(dev); 182d1b5e41eSNeil Armstrong const struct meson_drm_match_data *match; 183bbbe775eSNeil Armstrong struct meson_drm *priv; 184bbbe775eSNeil Armstrong struct drm_device *drm; 185bbbe775eSNeil Armstrong struct resource *res; 186bbbe775eSNeil Armstrong void __iomem *regs; 1878976eeeeSNeil Armstrong int ret, i; 188bbbe775eSNeil Armstrong 189bbbe775eSNeil Armstrong /* Checks if an output connector is available */ 190bbbe775eSNeil Armstrong if (!meson_vpu_has_available_connectors(dev)) { 191bbbe775eSNeil Armstrong dev_err(dev, "No output connector available\n"); 192bbbe775eSNeil Armstrong return -ENODEV; 193bbbe775eSNeil Armstrong } 194bbbe775eSNeil Armstrong 195d1b5e41eSNeil Armstrong match = of_device_get_match_data(dev); 196d1b5e41eSNeil Armstrong if (!match) 197d1b5e41eSNeil Armstrong return -ENODEV; 198d1b5e41eSNeil Armstrong 199bbbe775eSNeil Armstrong drm = drm_dev_alloc(&meson_driver, dev); 200bbbe775eSNeil Armstrong if (IS_ERR(drm)) 201bbbe775eSNeil Armstrong return PTR_ERR(drm); 202bbbe775eSNeil Armstrong 203bbbe775eSNeil Armstrong priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); 204bbbe775eSNeil Armstrong if (!priv) { 205bbbe775eSNeil Armstrong ret = -ENOMEM; 206bbbe775eSNeil Armstrong goto free_drm; 207bbbe775eSNeil Armstrong } 208bbbe775eSNeil Armstrong drm->dev_private = priv; 209bbbe775eSNeil Armstrong priv->drm = drm; 210bbbe775eSNeil Armstrong priv->dev = dev; 211d1b5e41eSNeil Armstrong priv->compat = match->compat; 212d1b5e41eSNeil Armstrong priv->afbcd.ops = match->afbcd_ops; 213528a25d0SJulien Masson 214d4cb82aaSCai Huoqing regs = devm_platform_ioremap_resource_byname(pdev, "vpu"); 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 */ 28897c9bfe3SThomas 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) 309fa747d75SMartin Blumenstingl goto free_drm; 310d1b5e41eSNeil Armstrong } 311bbbe775eSNeil Armstrong 312bbbe775eSNeil Armstrong /* Encoder Initialization */ 313bbbe775eSNeil Armstrong 31472317eaaSNeil Armstrong ret = meson_encoder_cvbs_init(priv); 315bbbe775eSNeil Armstrong if (ret) 316fa747d75SMartin Blumenstingl goto exit_afbcd; 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"); 322fa747d75SMartin Blumenstingl goto exit_afbcd; 323a41e82e6SNeil Armstrong } 3248604889fSNeil Armstrong } 325bbbe775eSNeil Armstrong 326e67f6037SNeil Armstrong ret = meson_encoder_hdmi_init(priv); 327e67f6037SNeil Armstrong if (ret) 328fa747d75SMartin Blumenstingl goto exit_afbcd; 329e67f6037SNeil Armstrong 330bbbe775eSNeil Armstrong ret = meson_plane_create(priv); 331bbbe775eSNeil Armstrong if (ret) 332fa747d75SMartin Blumenstingl goto exit_afbcd; 333bbbe775eSNeil Armstrong 334f9a23481SNeil Armstrong ret = meson_overlay_create(priv); 335f9a23481SNeil Armstrong if (ret) 336fa747d75SMartin Blumenstingl goto exit_afbcd; 337f9a23481SNeil Armstrong 338bbbe775eSNeil Armstrong ret = meson_crtc_create(priv); 339bbbe775eSNeil Armstrong if (ret) 340fa747d75SMartin Blumenstingl goto exit_afbcd; 341bbbe775eSNeil Armstrong 34265a96965SThomas Zimmermann ret = request_irq(priv->vsync_irq, meson_irq, 0, drm->driver->name, drm); 343bbbe775eSNeil Armstrong if (ret) 344fa747d75SMartin Blumenstingl goto exit_afbcd; 345bbbe775eSNeil Armstrong 346bbbe775eSNeil Armstrong drm_mode_config_reset(drm); 347bbbe775eSNeil Armstrong 348bbbe775eSNeil Armstrong drm_kms_helper_poll_init(drm); 349bbbe775eSNeil Armstrong 350bbbe775eSNeil Armstrong platform_set_drvdata(pdev, priv); 351bbbe775eSNeil Armstrong 352bbbe775eSNeil Armstrong ret = drm_dev_register(drm, 0); 353bbbe775eSNeil Armstrong if (ret) 3542d8f9289SJean-Philippe Brucker goto uninstall_irq; 355bbbe775eSNeil Armstrong 356efbb9df9SNoralf Trønnes drm_fbdev_generic_setup(drm, 32); 357efbb9df9SNoralf Trønnes 358bbbe775eSNeil Armstrong return 0; 359bbbe775eSNeil Armstrong 3602d8f9289SJean-Philippe Brucker uninstall_irq: 36165a96965SThomas Zimmermann free_irq(priv->vsync_irq, drm); 362fa747d75SMartin Blumenstingl exit_afbcd: 363fa747d75SMartin Blumenstingl if (priv->afbcd.ops) 364fa747d75SMartin Blumenstingl priv->afbcd.ops->exit(priv); 365bbbe775eSNeil Armstrong free_drm: 366dcacf651SChristophe JAILLET drm_dev_put(drm); 367bbbe775eSNeil Armstrong 368bbbe775eSNeil Armstrong return ret; 369bbbe775eSNeil Armstrong } 370bbbe775eSNeil Armstrong 3718604889fSNeil Armstrong static int meson_drv_bind(struct device *dev) 3728604889fSNeil Armstrong { 3738604889fSNeil Armstrong return meson_drv_bind_master(dev, true); 3748604889fSNeil Armstrong } 3758604889fSNeil Armstrong 376a41e82e6SNeil Armstrong static void meson_drv_unbind(struct device *dev) 377bbbe775eSNeil Armstrong { 378776e7867SJean-Philippe Brucker struct meson_drm *priv = dev_get_drvdata(dev); 379776e7867SJean-Philippe Brucker struct drm_device *drm = priv->drm; 38066cae477SMaxime Jourdan 381f9a23481SNeil Armstrong if (priv->canvas) { 38266cae477SMaxime Jourdan meson_canvas_free(priv->canvas, priv->canvas_id_osd1); 383f9a23481SNeil Armstrong meson_canvas_free(priv->canvas, priv->canvas_id_vd1_0); 384f9a23481SNeil Armstrong meson_canvas_free(priv->canvas, priv->canvas_id_vd1_1); 385f9a23481SNeil Armstrong meson_canvas_free(priv->canvas, priv->canvas_id_vd1_2); 386f9a23481SNeil Armstrong } 387bbbe775eSNeil Armstrong 388bbbe775eSNeil Armstrong drm_dev_unregister(drm); 389bbbe775eSNeil Armstrong drm_kms_helper_poll_fini(drm); 390e78ad18bSMarc Zyngier drm_atomic_helper_shutdown(drm); 39165a96965SThomas Zimmermann free_irq(priv->vsync_irq, drm); 392dcacf651SChristophe JAILLET drm_dev_put(drm); 393*09847723SAdrián Larumbe 394*09847723SAdrián Larumbe meson_encoder_hdmi_remove(priv); 395*09847723SAdrián Larumbe meson_encoder_cvbs_remove(priv); 396*09847723SAdrián Larumbe 39731c51998SAdrián Larumbe component_unbind_all(dev, drm); 398fa62ee25SMarc Zyngier 39904b8a5d9SMartin Blumenstingl if (priv->afbcd.ops) 40004b8a5d9SMartin Blumenstingl priv->afbcd.ops->exit(priv); 401bbbe775eSNeil Armstrong } 402bbbe775eSNeil Armstrong 403a41e82e6SNeil Armstrong static const struct component_master_ops meson_drv_master_ops = { 404a41e82e6SNeil Armstrong .bind = meson_drv_bind, 405a41e82e6SNeil Armstrong .unbind = meson_drv_unbind, 406a41e82e6SNeil Armstrong }; 407a41e82e6SNeil Armstrong 408cf3d4e53SNeil Armstrong static int __maybe_unused meson_drv_pm_suspend(struct device *dev) 409cf3d4e53SNeil Armstrong { 410cf3d4e53SNeil Armstrong struct meson_drm *priv = dev_get_drvdata(dev); 411cf3d4e53SNeil Armstrong 412cf3d4e53SNeil Armstrong if (!priv) 413cf3d4e53SNeil Armstrong return 0; 414cf3d4e53SNeil Armstrong 415cf3d4e53SNeil Armstrong return drm_mode_config_helper_suspend(priv->drm); 416cf3d4e53SNeil Armstrong } 417cf3d4e53SNeil Armstrong 418cf3d4e53SNeil Armstrong static int __maybe_unused meson_drv_pm_resume(struct device *dev) 419cf3d4e53SNeil Armstrong { 420cf3d4e53SNeil Armstrong struct meson_drm *priv = dev_get_drvdata(dev); 421cf3d4e53SNeil Armstrong 422cf3d4e53SNeil Armstrong if (!priv) 423cf3d4e53SNeil Armstrong return 0; 424cf3d4e53SNeil Armstrong 425cf3d4e53SNeil Armstrong meson_vpu_init(priv); 426cf3d4e53SNeil Armstrong meson_venc_init(priv); 427cf3d4e53SNeil Armstrong meson_vpp_init(priv); 428cf3d4e53SNeil Armstrong meson_viu_init(priv); 429d1b5e41eSNeil Armstrong if (priv->afbcd.ops) 430d1b5e41eSNeil Armstrong priv->afbcd.ops->init(priv); 431cf3d4e53SNeil Armstrong 432c54a8f1fSBernard Zhao return drm_mode_config_helper_resume(priv->drm); 433cf3d4e53SNeil Armstrong } 434cf3d4e53SNeil Armstrong 435fa0c16caSArtem Lapkin static void meson_drv_shutdown(struct platform_device *pdev) 436fa0c16caSArtem Lapkin { 437fa0c16caSArtem Lapkin struct meson_drm *priv = dev_get_drvdata(&pdev->dev); 438fa0c16caSArtem Lapkin 4397cfc4ea7SNeil Armstrong if (!priv) 4407cfc4ea7SNeil Armstrong return; 4417cfc4ea7SNeil Armstrong 4427cfc4ea7SNeil Armstrong drm_kms_helper_poll_fini(priv->drm); 4437cfc4ea7SNeil Armstrong drm_atomic_helper_shutdown(priv->drm); 444fa0c16caSArtem Lapkin } 445fa0c16caSArtem Lapkin 446d235a7c4SNeil Armstrong /* Possible connectors nodes to ignore */ 447d235a7c4SNeil Armstrong static const struct of_device_id connectors_match[] = { 448d235a7c4SNeil Armstrong { .compatible = "composite-video-connector" }, 449d235a7c4SNeil Armstrong { .compatible = "svideo-connector" }, 450d235a7c4SNeil Armstrong {} 451d235a7c4SNeil Armstrong }; 452d235a7c4SNeil Armstrong 453a41e82e6SNeil Armstrong static int meson_drv_probe(struct platform_device *pdev) 454a41e82e6SNeil Armstrong { 455a41e82e6SNeil Armstrong struct component_match *match = NULL; 456a41e82e6SNeil Armstrong struct device_node *np = pdev->dev.of_node; 457a41e82e6SNeil Armstrong struct device_node *ep, *remote; 458a41e82e6SNeil Armstrong int count = 0; 459a41e82e6SNeil Armstrong 460a41e82e6SNeil Armstrong for_each_endpoint_of_node(np, ep) { 461a41e82e6SNeil Armstrong remote = of_graph_get_remote_port_parent(ep); 462f672b93eSJulia Lawall if (!remote || !of_device_is_available(remote)) { 463f672b93eSJulia Lawall of_node_put(remote); 464a41e82e6SNeil Armstrong continue; 465f672b93eSJulia Lawall } 466a41e82e6SNeil Armstrong 467d235a7c4SNeil Armstrong /* If an analog connector is detected, count it as an output */ 468d235a7c4SNeil Armstrong if (of_match_node(connectors_match, remote)) { 469d235a7c4SNeil Armstrong ++count; 470f672b93eSJulia Lawall of_node_put(remote); 471d235a7c4SNeil Armstrong continue; 472d235a7c4SNeil Armstrong } 473d235a7c4SNeil Armstrong 474d235a7c4SNeil Armstrong dev_dbg(&pdev->dev, "parent %pOF remote match add %pOF parent %s\n", 475d235a7c4SNeil Armstrong np, remote, dev_name(&pdev->dev)); 476d235a7c4SNeil Armstrong 47746a87c5aSYong Wu component_match_add(&pdev->dev, &match, component_compare_of, remote); 478d235a7c4SNeil Armstrong 479d235a7c4SNeil Armstrong of_node_put(remote); 480d235a7c4SNeil Armstrong 481d235a7c4SNeil Armstrong ++count; 482a41e82e6SNeil Armstrong } 483a41e82e6SNeil Armstrong 4848604889fSNeil Armstrong if (count && !match) 4858604889fSNeil Armstrong return meson_drv_bind_master(&pdev->dev, false); 4868604889fSNeil Armstrong 487a41e82e6SNeil Armstrong /* If some endpoints were found, initialize the nodes */ 488a41e82e6SNeil Armstrong if (count) { 489a41e82e6SNeil Armstrong dev_info(&pdev->dev, "Queued %d outputs on vpu\n", count); 490a41e82e6SNeil Armstrong 491a41e82e6SNeil Armstrong return component_master_add_with_match(&pdev->dev, 492a41e82e6SNeil Armstrong &meson_drv_master_ops, 493a41e82e6SNeil Armstrong match); 494a41e82e6SNeil Armstrong } 495a41e82e6SNeil Armstrong 496a41e82e6SNeil Armstrong /* If no output endpoints were available, simply bail out */ 497a41e82e6SNeil Armstrong return 0; 498a41e82e6SNeil Armstrong }; 499a41e82e6SNeil Armstrong 5008616f2a0SAdrián Larumbe static int meson_drv_remove(struct platform_device *pdev) 5018616f2a0SAdrián Larumbe { 5028616f2a0SAdrián Larumbe component_master_del(&pdev->dev, &meson_drv_master_ops); 5038616f2a0SAdrián Larumbe 5048616f2a0SAdrián Larumbe return 0; 5058616f2a0SAdrián Larumbe } 5068616f2a0SAdrián Larumbe 507d1b5e41eSNeil Armstrong static struct meson_drm_match_data meson_drm_gxbb_data = { 508d1b5e41eSNeil Armstrong .compat = VPU_COMPATIBLE_GXBB, 509d1b5e41eSNeil Armstrong }; 510d1b5e41eSNeil Armstrong 511d1b5e41eSNeil Armstrong static struct meson_drm_match_data meson_drm_gxl_data = { 512d1b5e41eSNeil Armstrong .compat = VPU_COMPATIBLE_GXL, 513d1b5e41eSNeil Armstrong }; 514d1b5e41eSNeil Armstrong 515d1b5e41eSNeil Armstrong static struct meson_drm_match_data meson_drm_gxm_data = { 516d1b5e41eSNeil Armstrong .compat = VPU_COMPATIBLE_GXM, 517d1b5e41eSNeil Armstrong .afbcd_ops = &meson_afbcd_gxm_ops, 518d1b5e41eSNeil Armstrong }; 519d1b5e41eSNeil Armstrong 520d1b5e41eSNeil Armstrong static struct meson_drm_match_data meson_drm_g12a_data = { 521d1b5e41eSNeil Armstrong .compat = VPU_COMPATIBLE_G12A, 522d1b5e41eSNeil Armstrong .afbcd_ops = &meson_afbcd_g12a_ops, 523d1b5e41eSNeil Armstrong }; 524d1b5e41eSNeil Armstrong 525bbbe775eSNeil Armstrong static const struct of_device_id dt_match[] = { 526528a25d0SJulien Masson { .compatible = "amlogic,meson-gxbb-vpu", 527d1b5e41eSNeil Armstrong .data = (void *)&meson_drm_gxbb_data }, 528528a25d0SJulien Masson { .compatible = "amlogic,meson-gxl-vpu", 529d1b5e41eSNeil Armstrong .data = (void *)&meson_drm_gxl_data }, 530528a25d0SJulien Masson { .compatible = "amlogic,meson-gxm-vpu", 531d1b5e41eSNeil Armstrong .data = (void *)&meson_drm_gxm_data }, 532528a25d0SJulien Masson { .compatible = "amlogic,meson-g12a-vpu", 533d1b5e41eSNeil Armstrong .data = (void *)&meson_drm_g12a_data }, 534bbbe775eSNeil Armstrong {} 535bbbe775eSNeil Armstrong }; 536bbbe775eSNeil Armstrong MODULE_DEVICE_TABLE(of, dt_match); 537bbbe775eSNeil Armstrong 538cf3d4e53SNeil Armstrong static const struct dev_pm_ops meson_drv_pm_ops = { 539cf3d4e53SNeil Armstrong SET_SYSTEM_SLEEP_PM_OPS(meson_drv_pm_suspend, meson_drv_pm_resume) 540cf3d4e53SNeil Armstrong }; 541cf3d4e53SNeil Armstrong 542bbbe775eSNeil Armstrong static struct platform_driver meson_drm_platform_driver = { 543bbbe775eSNeil Armstrong .probe = meson_drv_probe, 5448616f2a0SAdrián Larumbe .remove = meson_drv_remove, 545fa0c16caSArtem Lapkin .shutdown = meson_drv_shutdown, 546bbbe775eSNeil Armstrong .driver = { 5478aaacbc0SNeil Armstrong .name = "meson-drm", 548bbbe775eSNeil Armstrong .of_match_table = dt_match, 549cf3d4e53SNeil Armstrong .pm = &meson_drv_pm_ops, 550bbbe775eSNeil Armstrong }, 551bbbe775eSNeil Armstrong }; 552bbbe775eSNeil Armstrong 553a9b19b0dSJavier Martinez Canillas drm_module_platform_driver(meson_drm_platform_driver); 554bbbe775eSNeil Armstrong 555bbbe775eSNeil Armstrong MODULE_AUTHOR("Jasper St. Pierre <jstpierre@mecheye.net>"); 556bbbe775eSNeil Armstrong MODULE_AUTHOR("Neil Armstrong <narmstrong@baylibre.com>"); 557bbbe775eSNeil Armstrong MODULE_DESCRIPTION(DRIVER_DESC); 558bbbe775eSNeil Armstrong MODULE_LICENSE("GPL"); 559