1caab277bSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only 2c8afe684SRob Clark /* 35eba5d87SStephane Viau * Copyright (c) 2014 The Linux Foundation. All rights reserved. 4c8afe684SRob Clark * Copyright (C) 2013 Red Hat 5c8afe684SRob Clark * Author: Rob Clark <robdclark@gmail.com> 6c8afe684SRob Clark */ 7c8afe684SRob Clark 8f6a8eacaSRob Clark #include <linux/of_irq.h> 91fd6a441SArchit Taneja #include <linux/of_gpio.h> 101fd6a441SArchit Taneja 11caa24223SDmitry Baryshkov #include <drm/drm_bridge_connector.h> 12a7977d5cSDmitry Baryshkov #include <drm/drm_of.h> 13caa24223SDmitry Baryshkov 14f1427016SSrinivas Kandagatla #include <sound/hdmi-codec.h> 15c8afe684SRob Clark #include "hdmi.h" 16c8afe684SRob Clark 17fcda50c8SArnd Bergmann void msm_hdmi_set_mode(struct hdmi *hdmi, bool power_on) 18c8afe684SRob Clark { 19c8afe684SRob Clark uint32_t ctrl = 0; 20c6a57a50Sjilai wang unsigned long flags; 21c8afe684SRob Clark 22c6a57a50Sjilai wang spin_lock_irqsave(&hdmi->reg_lock, flags); 23c8afe684SRob Clark if (power_on) { 24c8afe684SRob Clark ctrl |= HDMI_CTRL_ENABLE; 25c8afe684SRob Clark if (!hdmi->hdmi_mode) { 26c8afe684SRob Clark ctrl |= HDMI_CTRL_HDMI; 27c8afe684SRob Clark hdmi_write(hdmi, REG_HDMI_CTRL, ctrl); 28c8afe684SRob Clark ctrl &= ~HDMI_CTRL_HDMI; 29c8afe684SRob Clark } else { 30c8afe684SRob Clark ctrl |= HDMI_CTRL_HDMI; 31c8afe684SRob Clark } 32c8afe684SRob Clark } else { 33c8afe684SRob Clark ctrl = HDMI_CTRL_HDMI; 34c8afe684SRob Clark } 35c8afe684SRob Clark 36c8afe684SRob Clark hdmi_write(hdmi, REG_HDMI_CTRL, ctrl); 37c6a57a50Sjilai wang spin_unlock_irqrestore(&hdmi->reg_lock, flags); 38c8afe684SRob Clark DBG("HDMI Core: %s, HDMI_CTRL=0x%08x", 39c8afe684SRob Clark power_on ? "Enable" : "Disable", ctrl); 40c8afe684SRob Clark } 41c8afe684SRob Clark 42fcda50c8SArnd Bergmann static irqreturn_t msm_hdmi_irq(int irq, void *dev_id) 43c8afe684SRob Clark { 44c8afe684SRob Clark struct hdmi *hdmi = dev_id; 45c8afe684SRob Clark 46c8afe684SRob Clark /* Process HPD: */ 47caa24223SDmitry Baryshkov msm_hdmi_hpd_irq(hdmi->bridge); 48c8afe684SRob Clark 49c8afe684SRob Clark /* Process DDC: */ 50fcda50c8SArnd Bergmann msm_hdmi_i2c_irq(hdmi->i2c); 51c8afe684SRob Clark 52c6a57a50Sjilai wang /* Process HDCP: */ 53c6a57a50Sjilai wang if (hdmi->hdcp_ctrl) 54fcda50c8SArnd Bergmann msm_hdmi_hdcp_irq(hdmi->hdcp_ctrl); 55c6a57a50Sjilai wang 56c8afe684SRob Clark /* TODO audio.. */ 57c8afe684SRob Clark 58c8afe684SRob Clark return IRQ_HANDLED; 59c8afe684SRob Clark } 60c8afe684SRob Clark 61fcda50c8SArnd Bergmann static void msm_hdmi_destroy(struct hdmi *hdmi) 62c8afe684SRob Clark { 63c6a57a50Sjilai wang /* 64c6a57a50Sjilai wang * at this point, hpd has been disabled, 65c6a57a50Sjilai wang * after flush workq, it's safe to deinit hdcp 66c6a57a50Sjilai wang */ 67f8e7bce3SChristophe JAILLET if (hdmi->workq) 68c6a57a50Sjilai wang destroy_workqueue(hdmi->workq); 69fcda50c8SArnd Bergmann msm_hdmi_hdcp_destroy(hdmi); 70c8afe684SRob Clark 71e00012b2SArchit Taneja if (hdmi->phy_dev) { 72e00012b2SArchit Taneja put_device(hdmi->phy_dev); 73e00012b2SArchit Taneja hdmi->phy = NULL; 74e00012b2SArchit Taneja hdmi->phy_dev = NULL; 75e00012b2SArchit Taneja } 76e00012b2SArchit Taneja 77c8afe684SRob Clark if (hdmi->i2c) 78fcda50c8SArnd Bergmann msm_hdmi_i2c_destroy(hdmi->i2c); 79c8afe684SRob Clark 80c0c0d9eeSRob Clark platform_set_drvdata(hdmi->pdev, NULL); 81c8afe684SRob Clark } 82c8afe684SRob Clark 83fcda50c8SArnd Bergmann static int msm_hdmi_get_phy(struct hdmi *hdmi) 84e00012b2SArchit Taneja { 85e00012b2SArchit Taneja struct platform_device *pdev = hdmi->pdev; 86e00012b2SArchit Taneja struct platform_device *phy_pdev; 87e00012b2SArchit Taneja struct device_node *phy_node; 88e00012b2SArchit Taneja 89e00012b2SArchit Taneja phy_node = of_parse_phandle(pdev->dev.of_node, "phys", 0); 90e00012b2SArchit Taneja if (!phy_node) { 916a41da17SMamta Shukla DRM_DEV_ERROR(&pdev->dev, "cannot find phy device\n"); 92e00012b2SArchit Taneja return -ENXIO; 93e00012b2SArchit Taneja } 94e00012b2SArchit Taneja 95e00012b2SArchit Taneja phy_pdev = of_find_device_by_node(phy_node); 96e00012b2SArchit Taneja if (phy_pdev) 97e00012b2SArchit Taneja hdmi->phy = platform_get_drvdata(phy_pdev); 98e00012b2SArchit Taneja 99e00012b2SArchit Taneja of_node_put(phy_node); 100e00012b2SArchit Taneja 101774fe0cdSMiaoqian Lin if (!phy_pdev) { 1026a41da17SMamta Shukla DRM_DEV_ERROR(&pdev->dev, "phy driver is not ready\n"); 103e00012b2SArchit Taneja return -EPROBE_DEFER; 104e00012b2SArchit Taneja } 105774fe0cdSMiaoqian Lin if (!hdmi->phy) { 106774fe0cdSMiaoqian Lin DRM_DEV_ERROR(&pdev->dev, "phy driver is not ready\n"); 107774fe0cdSMiaoqian Lin put_device(&phy_pdev->dev); 108774fe0cdSMiaoqian Lin return -EPROBE_DEFER; 109774fe0cdSMiaoqian Lin } 110e00012b2SArchit Taneja 111e00012b2SArchit Taneja hdmi->phy_dev = get_device(&phy_pdev->dev); 112e00012b2SArchit Taneja 113e00012b2SArchit Taneja return 0; 114e00012b2SArchit Taneja } 115e00012b2SArchit Taneja 116067fef37SRob Clark /* construct hdmi at bind/probe time, grab all the resources. If 117067fef37SRob Clark * we are to EPROBE_DEFER we want to do it here, rather than later 118067fef37SRob Clark * at modeset_init() time 119067fef37SRob Clark */ 120fcda50c8SArnd Bergmann static struct hdmi *msm_hdmi_init(struct platform_device *pdev) 121c8afe684SRob Clark { 122067fef37SRob Clark struct hdmi_platform_config *config = pdev->dev.platform_data; 123a3376e3eSRob Clark struct hdmi *hdmi = NULL; 124c6a57a50Sjilai wang struct resource *res; 125dada25bdSRob Clark int i, ret; 126c8afe684SRob Clark 127067fef37SRob Clark hdmi = devm_kzalloc(&pdev->dev, sizeof(*hdmi), GFP_KERNEL); 128a3376e3eSRob Clark if (!hdmi) { 129a3376e3eSRob Clark ret = -ENOMEM; 130a3376e3eSRob Clark goto fail; 131a3376e3eSRob Clark } 132a3376e3eSRob Clark 133c8afe684SRob Clark hdmi->pdev = pdev; 134dada25bdSRob Clark hdmi->config = config; 135c6a57a50Sjilai wang spin_lock_init(&hdmi->reg_lock); 136c0c0d9eeSRob Clark 137a7977d5cSDmitry Baryshkov ret = drm_of_find_panel_or_bridge(pdev->dev.of_node, 1, 0, NULL, &hdmi->next_bridge); 138a7977d5cSDmitry Baryshkov if (ret && ret != -ENODEV) 139a7977d5cSDmitry Baryshkov goto fail; 140a7977d5cSDmitry Baryshkov 141c0e745d7SDmitry Baryshkov hdmi->mmio = msm_ioremap(pdev, config->mmio_name); 142c8afe684SRob Clark if (IS_ERR(hdmi->mmio)) { 143c8afe684SRob Clark ret = PTR_ERR(hdmi->mmio); 144c8afe684SRob Clark goto fail; 145c8afe684SRob Clark } 146c8afe684SRob Clark 147c6a57a50Sjilai wang /* HDCP needs physical address of hdmi register */ 148c6a57a50Sjilai wang res = platform_get_resource_byname(pdev, IORESOURCE_MEM, 149c6a57a50Sjilai wang config->mmio_name); 150a36e5067SYang Yingliang if (!res) { 151a36e5067SYang Yingliang ret = -EINVAL; 152a36e5067SYang Yingliang goto fail; 153a36e5067SYang Yingliang } 154c6a57a50Sjilai wang hdmi->mmio_phy_addr = res->start; 155c6a57a50Sjilai wang 156c0e745d7SDmitry Baryshkov hdmi->qfprom_mmio = msm_ioremap(pdev, config->qfprom_mmio_name); 157c6a57a50Sjilai wang if (IS_ERR(hdmi->qfprom_mmio)) { 1586a41da17SMamta Shukla DRM_DEV_INFO(&pdev->dev, "can't find qfprom resource\n"); 159c6a57a50Sjilai wang hdmi->qfprom_mmio = NULL; 160c6a57a50Sjilai wang } 161c6a57a50Sjilai wang 162a86854d0SKees Cook hdmi->hpd_regs = devm_kcalloc(&pdev->dev, 163a86854d0SKees Cook config->hpd_reg_cnt, 164a86854d0SKees Cook sizeof(hdmi->hpd_regs[0]), 165a86854d0SKees Cook GFP_KERNEL); 166447fa529SStephane Viau if (!hdmi->hpd_regs) { 167447fa529SStephane Viau ret = -ENOMEM; 168447fa529SStephane Viau goto fail; 169447fa529SStephane Viau } 17031b3b1f5SDmitry Baryshkov for (i = 0; i < config->hpd_reg_cnt; i++) 17131b3b1f5SDmitry Baryshkov hdmi->hpd_regs[i].supply = config->hpd_reg_names[i]; 172dada25bdSRob Clark 17331b3b1f5SDmitry Baryshkov ret = devm_regulator_bulk_get(&pdev->dev, config->hpd_reg_cnt, hdmi->hpd_regs); 17431b3b1f5SDmitry Baryshkov if (ret) { 17531b3b1f5SDmitry Baryshkov DRM_DEV_ERROR(&pdev->dev, "failed to get hpd regulator: %d\n", ret); 176c8afe684SRob Clark goto fail; 177c8afe684SRob Clark } 178c8afe684SRob Clark 179a86854d0SKees Cook hdmi->pwr_regs = devm_kcalloc(&pdev->dev, 180a86854d0SKees Cook config->pwr_reg_cnt, 181a86854d0SKees Cook sizeof(hdmi->pwr_regs[0]), 182a86854d0SKees Cook GFP_KERNEL); 183447fa529SStephane Viau if (!hdmi->pwr_regs) { 184447fa529SStephane Viau ret = -ENOMEM; 185447fa529SStephane Viau goto fail; 186447fa529SStephane Viau } 187dada25bdSRob Clark 188a18a44e9SDmitry Baryshkov for (i = 0; i < config->pwr_reg_cnt; i++) 189a18a44e9SDmitry Baryshkov hdmi->pwr_regs[i].supply = config->pwr_reg_names[i]; 190a18a44e9SDmitry Baryshkov 19131b3b1f5SDmitry Baryshkov ret = devm_regulator_bulk_get(&pdev->dev, config->pwr_reg_cnt, hdmi->pwr_regs); 19231b3b1f5SDmitry Baryshkov if (ret) { 19331b3b1f5SDmitry Baryshkov DRM_DEV_ERROR(&pdev->dev, "failed to get pwr regulator: %d\n", ret); 194c8afe684SRob Clark goto fail; 195c8afe684SRob Clark } 196c8afe684SRob Clark 197a86854d0SKees Cook hdmi->hpd_clks = devm_kcalloc(&pdev->dev, 198a86854d0SKees Cook config->hpd_clk_cnt, 199a86854d0SKees Cook sizeof(hdmi->hpd_clks[0]), 200a86854d0SKees Cook GFP_KERNEL); 201447fa529SStephane Viau if (!hdmi->hpd_clks) { 202447fa529SStephane Viau ret = -ENOMEM; 203447fa529SStephane Viau goto fail; 204447fa529SStephane Viau } 205dada25bdSRob Clark for (i = 0; i < config->hpd_clk_cnt; i++) { 206dada25bdSRob Clark struct clk *clk; 207dada25bdSRob Clark 208aede1e9eSRob Clark clk = msm_clk_get(pdev, config->hpd_clk_names[i]); 209dada25bdSRob Clark if (IS_ERR(clk)) { 210dada25bdSRob Clark ret = PTR_ERR(clk); 2116a41da17SMamta Shukla DRM_DEV_ERROR(&pdev->dev, "failed to get hpd clk: %s (%d)\n", 212dada25bdSRob Clark config->hpd_clk_names[i], ret); 213c8afe684SRob Clark goto fail; 214c8afe684SRob Clark } 215c8afe684SRob Clark 216dada25bdSRob Clark hdmi->hpd_clks[i] = clk; 217dada25bdSRob Clark } 218dada25bdSRob Clark 219a86854d0SKees Cook hdmi->pwr_clks = devm_kcalloc(&pdev->dev, 220a86854d0SKees Cook config->pwr_clk_cnt, 221a86854d0SKees Cook sizeof(hdmi->pwr_clks[0]), 222a86854d0SKees Cook GFP_KERNEL); 223447fa529SStephane Viau if (!hdmi->pwr_clks) { 224447fa529SStephane Viau ret = -ENOMEM; 225447fa529SStephane Viau goto fail; 226447fa529SStephane Viau } 227dada25bdSRob Clark for (i = 0; i < config->pwr_clk_cnt; i++) { 228dada25bdSRob Clark struct clk *clk; 229dada25bdSRob Clark 230aede1e9eSRob Clark clk = msm_clk_get(pdev, config->pwr_clk_names[i]); 231dada25bdSRob Clark if (IS_ERR(clk)) { 232dada25bdSRob Clark ret = PTR_ERR(clk); 2336a41da17SMamta Shukla DRM_DEV_ERROR(&pdev->dev, "failed to get pwr clk: %s (%d)\n", 234dada25bdSRob Clark config->pwr_clk_names[i], ret); 235c8afe684SRob Clark goto fail; 236c8afe684SRob Clark } 237c8afe684SRob Clark 238dada25bdSRob Clark hdmi->pwr_clks[i] = clk; 239dada25bdSRob Clark } 240dada25bdSRob Clark 24168e674b1SDmitry Baryshkov hdmi->hpd_gpiod = devm_gpiod_get_optional(&pdev->dev, "hpd", GPIOD_IN); 24268e674b1SDmitry Baryshkov /* This will catch e.g. -EPROBE_DEFER */ 24368e674b1SDmitry Baryshkov if (IS_ERR(hdmi->hpd_gpiod)) { 24468e674b1SDmitry Baryshkov ret = PTR_ERR(hdmi->hpd_gpiod); 24568e674b1SDmitry Baryshkov DRM_DEV_ERROR(&pdev->dev, "failed to get hpd gpio: (%d)\n", ret); 24668e674b1SDmitry Baryshkov goto fail; 24768e674b1SDmitry Baryshkov } 24868e674b1SDmitry Baryshkov 24968e674b1SDmitry Baryshkov if (!hdmi->hpd_gpiod) 25068e674b1SDmitry Baryshkov DBG("failed to get HPD gpio"); 25168e674b1SDmitry Baryshkov 25268e674b1SDmitry Baryshkov if (hdmi->hpd_gpiod) 25368e674b1SDmitry Baryshkov gpiod_set_consumer_name(hdmi->hpd_gpiod, "HDMI_HPD"); 25468e674b1SDmitry Baryshkov 2556ed9ed48SArchit Taneja pm_runtime_enable(&pdev->dev); 2566ed9ed48SArchit Taneja 257c6a57a50Sjilai wang hdmi->workq = alloc_ordered_workqueue("msm_hdmi", 0); 258c6a57a50Sjilai wang 259fcda50c8SArnd Bergmann hdmi->i2c = msm_hdmi_i2c_init(hdmi); 260c8afe684SRob Clark if (IS_ERR(hdmi->i2c)) { 261c8afe684SRob Clark ret = PTR_ERR(hdmi->i2c); 2626a41da17SMamta Shukla DRM_DEV_ERROR(&pdev->dev, "failed to get i2c: %d\n", ret); 263c8afe684SRob Clark hdmi->i2c = NULL; 264c8afe684SRob Clark goto fail; 265c8afe684SRob Clark } 266c8afe684SRob Clark 267fcda50c8SArnd Bergmann ret = msm_hdmi_get_phy(hdmi); 268e00012b2SArchit Taneja if (ret) { 2696a41da17SMamta Shukla DRM_DEV_ERROR(&pdev->dev, "failed to get phy\n"); 270e00012b2SArchit Taneja goto fail; 271e00012b2SArchit Taneja } 272e00012b2SArchit Taneja 273fcda50c8SArnd Bergmann hdmi->hdcp_ctrl = msm_hdmi_hdcp_init(hdmi); 274c6a57a50Sjilai wang if (IS_ERR(hdmi->hdcp_ctrl)) { 275c6a57a50Sjilai wang dev_warn(&pdev->dev, "failed to init hdcp: disabled\n"); 276c6a57a50Sjilai wang hdmi->hdcp_ctrl = NULL; 277c6a57a50Sjilai wang } 278c6a57a50Sjilai wang 279067fef37SRob Clark return hdmi; 280067fef37SRob Clark 281067fef37SRob Clark fail: 282067fef37SRob Clark if (hdmi) 283fcda50c8SArnd Bergmann msm_hdmi_destroy(hdmi); 284067fef37SRob Clark 285067fef37SRob Clark return ERR_PTR(ret); 286067fef37SRob Clark } 287067fef37SRob Clark 288067fef37SRob Clark /* Second part of initialization, the drm/kms level modeset_init, 289067fef37SRob Clark * constructs/initializes mode objects, etc, is called from master 290067fef37SRob Clark * driver (not hdmi sub-device's probe/bind!) 291067fef37SRob Clark * 292067fef37SRob Clark * Any resource (regulator/clk/etc) which could be missing at boot 293fcda50c8SArnd Bergmann * should be handled in msm_hdmi_init() so that failure happens from 294067fef37SRob Clark * hdmi sub-device's probe. 295067fef37SRob Clark */ 296fcda50c8SArnd Bergmann int msm_hdmi_modeset_init(struct hdmi *hdmi, 297067fef37SRob Clark struct drm_device *dev, struct drm_encoder *encoder) 298067fef37SRob Clark { 299067fef37SRob Clark struct msm_drm_private *priv = dev->dev_private; 300067fef37SRob Clark struct platform_device *pdev = hdmi->pdev; 301067fef37SRob Clark int ret; 302067fef37SRob Clark 303*4c1294daSJohan Hovold if (priv->num_bridges == ARRAY_SIZE(priv->bridges)) { 304*4c1294daSJohan Hovold DRM_DEV_ERROR(dev->dev, "too many bridges\n"); 305*4c1294daSJohan Hovold return -ENOSPC; 306*4c1294daSJohan Hovold } 307*4c1294daSJohan Hovold 308067fef37SRob Clark hdmi->dev = dev; 309067fef37SRob Clark hdmi->encoder = encoder; 310067fef37SRob Clark 311067fef37SRob Clark hdmi_audio_infoframe_init(&hdmi->audio.infoframe); 312067fef37SRob Clark 313fcda50c8SArnd Bergmann hdmi->bridge = msm_hdmi_bridge_init(hdmi); 314a3376e3eSRob Clark if (IS_ERR(hdmi->bridge)) { 315a3376e3eSRob Clark ret = PTR_ERR(hdmi->bridge); 3166a41da17SMamta Shukla DRM_DEV_ERROR(dev->dev, "failed to create HDMI bridge: %d\n", ret); 317a3376e3eSRob Clark hdmi->bridge = NULL; 318a3376e3eSRob Clark goto fail; 319a3376e3eSRob Clark } 320a3376e3eSRob Clark 321a7977d5cSDmitry Baryshkov if (hdmi->next_bridge) { 322a7977d5cSDmitry Baryshkov ret = drm_bridge_attach(hdmi->encoder, hdmi->next_bridge, hdmi->bridge, 323a7977d5cSDmitry Baryshkov DRM_BRIDGE_ATTACH_NO_CONNECTOR); 324a7977d5cSDmitry Baryshkov if (ret) { 325a7977d5cSDmitry Baryshkov DRM_DEV_ERROR(dev->dev, "failed to attach next HDMI bridge: %d\n", ret); 326a7977d5cSDmitry Baryshkov goto fail; 327a7977d5cSDmitry Baryshkov } 328a7977d5cSDmitry Baryshkov } 329a7977d5cSDmitry Baryshkov 330caa24223SDmitry Baryshkov hdmi->connector = drm_bridge_connector_init(hdmi->dev, encoder); 331a3376e3eSRob Clark if (IS_ERR(hdmi->connector)) { 332a3376e3eSRob Clark ret = PTR_ERR(hdmi->connector); 3336a41da17SMamta Shukla DRM_DEV_ERROR(dev->dev, "failed to create HDMI connector: %d\n", ret); 334a3376e3eSRob Clark hdmi->connector = NULL; 335a3376e3eSRob Clark goto fail; 336a3376e3eSRob Clark } 337a3376e3eSRob Clark 338caa24223SDmitry Baryshkov drm_connector_attach_encoder(hdmi->connector, hdmi->encoder); 339caa24223SDmitry Baryshkov 340f6a8eacaSRob Clark hdmi->irq = irq_of_parse_and_map(pdev->dev.of_node, 0); 34103371e4fSLv Ruyi if (!hdmi->irq) { 34203371e4fSLv Ruyi ret = -EINVAL; 34303371e4fSLv Ruyi DRM_DEV_ERROR(dev->dev, "failed to get irq\n"); 344c8afe684SRob Clark goto fail; 345c8afe684SRob Clark } 346c8afe684SRob Clark 347f6a8eacaSRob Clark ret = devm_request_irq(&pdev->dev, hdmi->irq, 348088604d3SDaniel Thompson msm_hdmi_irq, IRQF_TRIGGER_HIGH, 349c8afe684SRob Clark "hdmi_isr", hdmi); 350c8afe684SRob Clark if (ret < 0) { 3516a41da17SMamta Shukla DRM_DEV_ERROR(dev->dev, "failed to request IRQ%u: %d\n", 352c8afe684SRob Clark hdmi->irq, ret); 353c8afe684SRob Clark goto fail; 354c8afe684SRob Clark } 355c8afe684SRob Clark 356caa24223SDmitry Baryshkov drm_bridge_connector_enable_hpd(hdmi->connector); 357caa24223SDmitry Baryshkov 358caa24223SDmitry Baryshkov ret = msm_hdmi_hpd_enable(hdmi->bridge); 359ee445635STodor Tomov if (ret < 0) { 360ee445635STodor Tomov DRM_DEV_ERROR(&hdmi->pdev->dev, "failed to enable HPD: %d\n", ret); 361ee445635STodor Tomov goto fail; 362ee445635STodor Tomov } 363ee445635STodor Tomov 364a3376e3eSRob Clark priv->bridges[priv->num_bridges++] = hdmi->bridge; 365a3376e3eSRob Clark 366c0c0d9eeSRob Clark platform_set_drvdata(pdev, hdmi); 367c0c0d9eeSRob Clark 368067fef37SRob Clark return 0; 369c8afe684SRob Clark 370c8afe684SRob Clark fail: 3713d3f8b1fSAjay Kumar /* bridge is normally destroyed by drm: */ 372067fef37SRob Clark if (hdmi->bridge) { 373fcda50c8SArnd Bergmann msm_hdmi_bridge_destroy(hdmi->bridge); 374067fef37SRob Clark hdmi->bridge = NULL; 375067fef37SRob Clark } 376067fef37SRob Clark if (hdmi->connector) { 377a3376e3eSRob Clark hdmi->connector->funcs->destroy(hdmi->connector); 378067fef37SRob Clark hdmi->connector = NULL; 379a3376e3eSRob Clark } 380c8afe684SRob Clark 381067fef37SRob Clark return ret; 382c8afe684SRob Clark } 383c8afe684SRob Clark 384c8afe684SRob Clark /* 385c8afe684SRob Clark * The hdmi device: 386c8afe684SRob Clark */ 387c8afe684SRob Clark 3885eba5d87SStephane Viau #define HDMI_CFG(item, entry) \ 3895eba5d87SStephane Viau .item ## _names = item ##_names_ ## entry, \ 3905eba5d87SStephane Viau .item ## _cnt = ARRAY_SIZE(item ## _names_ ## entry) 3915eba5d87SStephane Viau 3927fbf0253SDmitry Baryshkov static const char *hpd_reg_names_8960[] = {"core-vdda"}; 393aede1e9eSRob Clark static const char *hpd_clk_names_8960[] = {"core", "master_iface", "slave_iface"}; 3945eba5d87SStephane Viau 3955eba5d87SStephane Viau static struct hdmi_platform_config hdmi_tx_8960_config = { 3965eba5d87SStephane Viau HDMI_CFG(hpd_reg, 8960), 3975eba5d87SStephane Viau HDMI_CFG(hpd_clk, 8960), 3985eba5d87SStephane Viau }; 3995eba5d87SStephane Viau 4005eba5d87SStephane Viau static const char *pwr_reg_names_8x74[] = {"core-vdda", "core-vcc"}; 401aede1e9eSRob Clark static const char *pwr_clk_names_8x74[] = {"extp", "alt_iface"}; 402aede1e9eSRob Clark static const char *hpd_clk_names_8x74[] = {"iface", "core", "mdp_core"}; 4035eba5d87SStephane Viau static unsigned long hpd_clk_freq_8x74[] = {0, 19200000, 0}; 4045eba5d87SStephane Viau 4055cf3a455SRob Clark static struct hdmi_platform_config hdmi_tx_8974_config = { 4065eba5d87SStephane Viau HDMI_CFG(pwr_reg, 8x74), 4075eba5d87SStephane Viau HDMI_CFG(pwr_clk, 8x74), 4085eba5d87SStephane Viau HDMI_CFG(hpd_clk, 8x74), 4095eba5d87SStephane Viau .hpd_freq = hpd_clk_freq_8x74, 4105eba5d87SStephane Viau }; 4115eba5d87SStephane Viau 412f1427016SSrinivas Kandagatla /* 413f1427016SSrinivas Kandagatla * HDMI audio codec callbacks 414f1427016SSrinivas Kandagatla */ 415f1427016SSrinivas Kandagatla static int msm_hdmi_audio_hw_params(struct device *dev, void *data, 416f1427016SSrinivas Kandagatla struct hdmi_codec_daifmt *daifmt, 417f1427016SSrinivas Kandagatla struct hdmi_codec_params *params) 418f1427016SSrinivas Kandagatla { 419f1427016SSrinivas Kandagatla struct hdmi *hdmi = dev_get_drvdata(dev); 420f1427016SSrinivas Kandagatla unsigned int chan; 421f1427016SSrinivas Kandagatla unsigned int channel_allocation = 0; 422f1427016SSrinivas Kandagatla unsigned int rate; 423f1427016SSrinivas Kandagatla unsigned int level_shift = 0; /* 0dB */ 424f1427016SSrinivas Kandagatla bool down_mix = false; 425f1427016SSrinivas Kandagatla 4266a41da17SMamta Shukla DRM_DEV_DEBUG(dev, "%u Hz, %d bit, %d channels\n", params->sample_rate, 427f1427016SSrinivas Kandagatla params->sample_width, params->cea.channels); 428f1427016SSrinivas Kandagatla 429f1427016SSrinivas Kandagatla switch (params->cea.channels) { 430f1427016SSrinivas Kandagatla case 2: 431f1427016SSrinivas Kandagatla /* FR and FL speakers */ 432f1427016SSrinivas Kandagatla channel_allocation = 0; 433f1427016SSrinivas Kandagatla chan = MSM_HDMI_AUDIO_CHANNEL_2; 434f1427016SSrinivas Kandagatla break; 435f1427016SSrinivas Kandagatla case 4: 436f1427016SSrinivas Kandagatla /* FC, LFE, FR and FL speakers */ 437f1427016SSrinivas Kandagatla channel_allocation = 0x3; 438f1427016SSrinivas Kandagatla chan = MSM_HDMI_AUDIO_CHANNEL_4; 439f1427016SSrinivas Kandagatla break; 440f1427016SSrinivas Kandagatla case 6: 441f1427016SSrinivas Kandagatla /* RR, RL, FC, LFE, FR and FL speakers */ 442f1427016SSrinivas Kandagatla channel_allocation = 0x0B; 443f1427016SSrinivas Kandagatla chan = MSM_HDMI_AUDIO_CHANNEL_6; 444f1427016SSrinivas Kandagatla break; 445f1427016SSrinivas Kandagatla case 8: 446f1427016SSrinivas Kandagatla /* FRC, FLC, RR, RL, FC, LFE, FR and FL speakers */ 447f1427016SSrinivas Kandagatla channel_allocation = 0x1F; 448f1427016SSrinivas Kandagatla chan = MSM_HDMI_AUDIO_CHANNEL_8; 449f1427016SSrinivas Kandagatla break; 450f1427016SSrinivas Kandagatla default: 451f1427016SSrinivas Kandagatla return -EINVAL; 452f1427016SSrinivas Kandagatla } 453f1427016SSrinivas Kandagatla 454f1427016SSrinivas Kandagatla switch (params->sample_rate) { 455f1427016SSrinivas Kandagatla case 32000: 456f1427016SSrinivas Kandagatla rate = HDMI_SAMPLE_RATE_32KHZ; 457f1427016SSrinivas Kandagatla break; 458f1427016SSrinivas Kandagatla case 44100: 459f1427016SSrinivas Kandagatla rate = HDMI_SAMPLE_RATE_44_1KHZ; 460f1427016SSrinivas Kandagatla break; 461f1427016SSrinivas Kandagatla case 48000: 462f1427016SSrinivas Kandagatla rate = HDMI_SAMPLE_RATE_48KHZ; 463f1427016SSrinivas Kandagatla break; 464f1427016SSrinivas Kandagatla case 88200: 465f1427016SSrinivas Kandagatla rate = HDMI_SAMPLE_RATE_88_2KHZ; 466f1427016SSrinivas Kandagatla break; 467f1427016SSrinivas Kandagatla case 96000: 468f1427016SSrinivas Kandagatla rate = HDMI_SAMPLE_RATE_96KHZ; 469f1427016SSrinivas Kandagatla break; 470f1427016SSrinivas Kandagatla case 176400: 471f1427016SSrinivas Kandagatla rate = HDMI_SAMPLE_RATE_176_4KHZ; 472f1427016SSrinivas Kandagatla break; 473f1427016SSrinivas Kandagatla case 192000: 474f1427016SSrinivas Kandagatla rate = HDMI_SAMPLE_RATE_192KHZ; 475f1427016SSrinivas Kandagatla break; 476f1427016SSrinivas Kandagatla default: 4776a41da17SMamta Shukla DRM_DEV_ERROR(dev, "rate[%d] not supported!\n", 478f1427016SSrinivas Kandagatla params->sample_rate); 479f1427016SSrinivas Kandagatla return -EINVAL; 480f1427016SSrinivas Kandagatla } 481f1427016SSrinivas Kandagatla 482f1427016SSrinivas Kandagatla msm_hdmi_audio_set_sample_rate(hdmi, rate); 483f1427016SSrinivas Kandagatla msm_hdmi_audio_info_setup(hdmi, 1, chan, channel_allocation, 484f1427016SSrinivas Kandagatla level_shift, down_mix); 485f1427016SSrinivas Kandagatla 486f1427016SSrinivas Kandagatla return 0; 487f1427016SSrinivas Kandagatla } 488f1427016SSrinivas Kandagatla 489f1427016SSrinivas Kandagatla static void msm_hdmi_audio_shutdown(struct device *dev, void *data) 490f1427016SSrinivas Kandagatla { 491f1427016SSrinivas Kandagatla struct hdmi *hdmi = dev_get_drvdata(dev); 492f1427016SSrinivas Kandagatla 493f1427016SSrinivas Kandagatla msm_hdmi_audio_info_setup(hdmi, 0, 0, 0, 0, 0); 494f1427016SSrinivas Kandagatla } 495f1427016SSrinivas Kandagatla 496f1427016SSrinivas Kandagatla static const struct hdmi_codec_ops msm_hdmi_audio_codec_ops = { 497f1427016SSrinivas Kandagatla .hw_params = msm_hdmi_audio_hw_params, 498f1427016SSrinivas Kandagatla .audio_shutdown = msm_hdmi_audio_shutdown, 499f1427016SSrinivas Kandagatla }; 500f1427016SSrinivas Kandagatla 501f1427016SSrinivas Kandagatla static struct hdmi_codec_pdata codec_data = { 502f1427016SSrinivas Kandagatla .ops = &msm_hdmi_audio_codec_ops, 503f1427016SSrinivas Kandagatla .max_i2s_channels = 8, 504f1427016SSrinivas Kandagatla .i2s = 1, 505f1427016SSrinivas Kandagatla }; 506f1427016SSrinivas Kandagatla 507f1427016SSrinivas Kandagatla static int msm_hdmi_register_audio_driver(struct hdmi *hdmi, struct device *dev) 508f1427016SSrinivas Kandagatla { 509f1427016SSrinivas Kandagatla hdmi->audio_pdev = platform_device_register_data(dev, 510f1427016SSrinivas Kandagatla HDMI_CODEC_DRV_NAME, 511f1427016SSrinivas Kandagatla PLATFORM_DEVID_AUTO, 512f1427016SSrinivas Kandagatla &codec_data, 513f1427016SSrinivas Kandagatla sizeof(codec_data)); 51406f32172SWei Yongjun return PTR_ERR_OR_ZERO(hdmi->audio_pdev); 515f1427016SSrinivas Kandagatla } 516f1427016SSrinivas Kandagatla 517fcda50c8SArnd Bergmann static int msm_hdmi_bind(struct device *dev, struct device *master, void *data) 518fc886107SMark Charlebois { 519ec919e6eSAngeloGioacchino Del Regno struct msm_drm_private *priv = dev_get_drvdata(master); 52067146519SYueHaibing struct hdmi_platform_config *hdmi_cfg; 521067fef37SRob Clark struct hdmi *hdmi; 522fc886107SMark Charlebois struct device_node *of_node = dev->of_node; 52368e674b1SDmitry Baryshkov int err; 524dada25bdSRob Clark 5251fd6a441SArchit Taneja hdmi_cfg = (struct hdmi_platform_config *) 5261fd6a441SArchit Taneja of_device_get_match_data(dev); 5271fd6a441SArchit Taneja if (!hdmi_cfg) { 5286a41da17SMamta Shukla DRM_DEV_ERROR(dev, "unknown hdmi_cfg: %pOFn\n", of_node); 5295eba5d87SStephane Viau return -ENXIO; 53041e69778SRob Clark } 53141e69778SRob Clark 5325eba5d87SStephane Viau hdmi_cfg->mmio_name = "core_physical"; 533c6a57a50Sjilai wang hdmi_cfg->qfprom_mmio_name = "qfprom_physical"; 534dc50f782SArchit Taneja 5355eba5d87SStephane Viau dev->platform_data = hdmi_cfg; 5365eba5d87SStephane Viau 537fcda50c8SArnd Bergmann hdmi = msm_hdmi_init(to_platform_device(dev)); 538067fef37SRob Clark if (IS_ERR(hdmi)) 539067fef37SRob Clark return PTR_ERR(hdmi); 540d1a717bdSRob Clark priv->hdmi = hdmi; 5415eba5d87SStephane Viau 542f1427016SSrinivas Kandagatla err = msm_hdmi_register_audio_driver(hdmi, dev); 543f1427016SSrinivas Kandagatla if (err) { 544f1427016SSrinivas Kandagatla DRM_ERROR("Failed to attach an audio codec %d\n", err); 545f1427016SSrinivas Kandagatla hdmi->audio_pdev = NULL; 546f1427016SSrinivas Kandagatla } 547f1427016SSrinivas Kandagatla 548c8afe684SRob Clark return 0; 549c8afe684SRob Clark } 550c8afe684SRob Clark 551fcda50c8SArnd Bergmann static void msm_hdmi_unbind(struct device *dev, struct device *master, 552060530f1SRob Clark void *data) 553060530f1SRob Clark { 554ec919e6eSAngeloGioacchino Del Regno struct msm_drm_private *priv = dev_get_drvdata(master); 555ec919e6eSAngeloGioacchino Del Regno 556d1a717bdSRob Clark if (priv->hdmi) { 557f1427016SSrinivas Kandagatla if (priv->hdmi->audio_pdev) 558f1427016SSrinivas Kandagatla platform_device_unregister(priv->hdmi->audio_pdev); 559f1427016SSrinivas Kandagatla 560fcda50c8SArnd Bergmann msm_hdmi_destroy(priv->hdmi); 561d1a717bdSRob Clark priv->hdmi = NULL; 562d1a717bdSRob Clark } 563060530f1SRob Clark } 564060530f1SRob Clark 565fcda50c8SArnd Bergmann static const struct component_ops msm_hdmi_ops = { 566fcda50c8SArnd Bergmann .bind = msm_hdmi_bind, 567fcda50c8SArnd Bergmann .unbind = msm_hdmi_unbind, 568060530f1SRob Clark }; 569060530f1SRob Clark 570fcda50c8SArnd Bergmann static int msm_hdmi_dev_probe(struct platform_device *pdev) 571060530f1SRob Clark { 572fcda50c8SArnd Bergmann return component_add(&pdev->dev, &msm_hdmi_ops); 573060530f1SRob Clark } 574060530f1SRob Clark 575fcda50c8SArnd Bergmann static int msm_hdmi_dev_remove(struct platform_device *pdev) 576c8afe684SRob Clark { 577fcda50c8SArnd Bergmann component_del(&pdev->dev, &msm_hdmi_ops); 578c8afe684SRob Clark return 0; 579c8afe684SRob Clark } 580c8afe684SRob Clark 581fcda50c8SArnd Bergmann static const struct of_device_id msm_hdmi_dt_match[] = { 5829edaba87SDmitry Baryshkov { .compatible = "qcom,hdmi-tx-8996", .data = &hdmi_tx_8974_config }, 5839edaba87SDmitry Baryshkov { .compatible = "qcom,hdmi-tx-8994", .data = &hdmi_tx_8974_config }, 5849edaba87SDmitry Baryshkov { .compatible = "qcom,hdmi-tx-8084", .data = &hdmi_tx_8974_config }, 5851fd6a441SArchit Taneja { .compatible = "qcom,hdmi-tx-8974", .data = &hdmi_tx_8974_config }, 5861fd6a441SArchit Taneja { .compatible = "qcom,hdmi-tx-8960", .data = &hdmi_tx_8960_config }, 587ac1c2787SDmitry Baryshkov { .compatible = "qcom,hdmi-tx-8660", .data = &hdmi_tx_8960_config }, 5881fd6a441SArchit Taneja {} 5891fd6a441SArchit Taneja }; 5901fd6a441SArchit Taneja 591fcda50c8SArnd Bergmann static struct platform_driver msm_hdmi_driver = { 592fcda50c8SArnd Bergmann .probe = msm_hdmi_dev_probe, 593fcda50c8SArnd Bergmann .remove = msm_hdmi_dev_remove, 594dada25bdSRob Clark .driver = { 595dada25bdSRob Clark .name = "hdmi_msm", 596fcda50c8SArnd Bergmann .of_match_table = msm_hdmi_dt_match, 597dada25bdSRob Clark }, 598c8afe684SRob Clark }; 599c8afe684SRob Clark 600fcda50c8SArnd Bergmann void __init msm_hdmi_register(void) 601c8afe684SRob Clark { 602fcda50c8SArnd Bergmann msm_hdmi_phy_driver_register(); 603fcda50c8SArnd Bergmann platform_driver_register(&msm_hdmi_driver); 604c8afe684SRob Clark } 605c8afe684SRob Clark 606fcda50c8SArnd Bergmann void __exit msm_hdmi_unregister(void) 607c8afe684SRob Clark { 608fcda50c8SArnd Bergmann platform_driver_unregister(&msm_hdmi_driver); 609fcda50c8SArnd Bergmann msm_hdmi_phy_driver_unregister(); 610c8afe684SRob Clark } 611