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> 12caa24223SDmitry Baryshkov 13f1427016SSrinivas Kandagatla #include <sound/hdmi-codec.h> 14c8afe684SRob Clark #include "hdmi.h" 15c8afe684SRob Clark 16fcda50c8SArnd Bergmann void msm_hdmi_set_mode(struct hdmi *hdmi, bool power_on) 17c8afe684SRob Clark { 18c8afe684SRob Clark uint32_t ctrl = 0; 19c6a57a50Sjilai wang unsigned long flags; 20c8afe684SRob Clark 21c6a57a50Sjilai wang spin_lock_irqsave(&hdmi->reg_lock, flags); 22c8afe684SRob Clark if (power_on) { 23c8afe684SRob Clark ctrl |= HDMI_CTRL_ENABLE; 24c8afe684SRob Clark if (!hdmi->hdmi_mode) { 25c8afe684SRob Clark ctrl |= HDMI_CTRL_HDMI; 26c8afe684SRob Clark hdmi_write(hdmi, REG_HDMI_CTRL, ctrl); 27c8afe684SRob Clark ctrl &= ~HDMI_CTRL_HDMI; 28c8afe684SRob Clark } else { 29c8afe684SRob Clark ctrl |= HDMI_CTRL_HDMI; 30c8afe684SRob Clark } 31c8afe684SRob Clark } else { 32c8afe684SRob Clark ctrl = HDMI_CTRL_HDMI; 33c8afe684SRob Clark } 34c8afe684SRob Clark 35c8afe684SRob Clark hdmi_write(hdmi, REG_HDMI_CTRL, ctrl); 36c6a57a50Sjilai wang spin_unlock_irqrestore(&hdmi->reg_lock, flags); 37c8afe684SRob Clark DBG("HDMI Core: %s, HDMI_CTRL=0x%08x", 38c8afe684SRob Clark power_on ? "Enable" : "Disable", ctrl); 39c8afe684SRob Clark } 40c8afe684SRob Clark 41fcda50c8SArnd Bergmann static irqreturn_t msm_hdmi_irq(int irq, void *dev_id) 42c8afe684SRob Clark { 43c8afe684SRob Clark struct hdmi *hdmi = dev_id; 44c8afe684SRob Clark 45c8afe684SRob Clark /* Process HPD: */ 46caa24223SDmitry Baryshkov msm_hdmi_hpd_irq(hdmi->bridge); 47c8afe684SRob Clark 48c8afe684SRob Clark /* Process DDC: */ 49fcda50c8SArnd Bergmann msm_hdmi_i2c_irq(hdmi->i2c); 50c8afe684SRob Clark 51c6a57a50Sjilai wang /* Process HDCP: */ 52c6a57a50Sjilai wang if (hdmi->hdcp_ctrl) 53fcda50c8SArnd Bergmann msm_hdmi_hdcp_irq(hdmi->hdcp_ctrl); 54c6a57a50Sjilai wang 55c8afe684SRob Clark /* TODO audio.. */ 56c8afe684SRob Clark 57c8afe684SRob Clark return IRQ_HANDLED; 58c8afe684SRob Clark } 59c8afe684SRob Clark 60fcda50c8SArnd Bergmann static void msm_hdmi_destroy(struct hdmi *hdmi) 61c8afe684SRob Clark { 62c6a57a50Sjilai wang /* 63c6a57a50Sjilai wang * at this point, hpd has been disabled, 64c6a57a50Sjilai wang * after flush workq, it's safe to deinit hdcp 65c6a57a50Sjilai wang */ 66f8e7bce3SChristophe JAILLET if (hdmi->workq) 67c6a57a50Sjilai wang destroy_workqueue(hdmi->workq); 68fcda50c8SArnd Bergmann msm_hdmi_hdcp_destroy(hdmi); 69c8afe684SRob Clark 70e00012b2SArchit Taneja if (hdmi->phy_dev) { 71e00012b2SArchit Taneja put_device(hdmi->phy_dev); 72e00012b2SArchit Taneja hdmi->phy = NULL; 73e00012b2SArchit Taneja hdmi->phy_dev = NULL; 74e00012b2SArchit Taneja } 75e00012b2SArchit Taneja 76c8afe684SRob Clark if (hdmi->i2c) 77fcda50c8SArnd Bergmann msm_hdmi_i2c_destroy(hdmi->i2c); 78c8afe684SRob Clark 79c0c0d9eeSRob Clark platform_set_drvdata(hdmi->pdev, NULL); 80c8afe684SRob Clark } 81c8afe684SRob Clark 82fcda50c8SArnd Bergmann static int msm_hdmi_get_phy(struct hdmi *hdmi) 83e00012b2SArchit Taneja { 84e00012b2SArchit Taneja struct platform_device *pdev = hdmi->pdev; 85e00012b2SArchit Taneja struct platform_device *phy_pdev; 86e00012b2SArchit Taneja struct device_node *phy_node; 87e00012b2SArchit Taneja 88e00012b2SArchit Taneja phy_node = of_parse_phandle(pdev->dev.of_node, "phys", 0); 89e00012b2SArchit Taneja if (!phy_node) { 906a41da17SMamta Shukla DRM_DEV_ERROR(&pdev->dev, "cannot find phy device\n"); 91e00012b2SArchit Taneja return -ENXIO; 92e00012b2SArchit Taneja } 93e00012b2SArchit Taneja 94e00012b2SArchit Taneja phy_pdev = of_find_device_by_node(phy_node); 95e00012b2SArchit Taneja if (phy_pdev) 96e00012b2SArchit Taneja hdmi->phy = platform_get_drvdata(phy_pdev); 97e00012b2SArchit Taneja 98e00012b2SArchit Taneja of_node_put(phy_node); 99e00012b2SArchit Taneja 100774fe0cdSMiaoqian Lin if (!phy_pdev) { 1016a41da17SMamta Shukla DRM_DEV_ERROR(&pdev->dev, "phy driver is not ready\n"); 102e00012b2SArchit Taneja return -EPROBE_DEFER; 103e00012b2SArchit Taneja } 104774fe0cdSMiaoqian Lin if (!hdmi->phy) { 105774fe0cdSMiaoqian Lin DRM_DEV_ERROR(&pdev->dev, "phy driver is not ready\n"); 106774fe0cdSMiaoqian Lin put_device(&phy_pdev->dev); 107774fe0cdSMiaoqian Lin return -EPROBE_DEFER; 108774fe0cdSMiaoqian Lin } 109e00012b2SArchit Taneja 110e00012b2SArchit Taneja hdmi->phy_dev = get_device(&phy_pdev->dev); 111e00012b2SArchit Taneja 112e00012b2SArchit Taneja return 0; 113e00012b2SArchit Taneja } 114e00012b2SArchit Taneja 115067fef37SRob Clark /* construct hdmi at bind/probe time, grab all the resources. If 116067fef37SRob Clark * we are to EPROBE_DEFER we want to do it here, rather than later 117067fef37SRob Clark * at modeset_init() time 118067fef37SRob Clark */ 119fcda50c8SArnd Bergmann static struct hdmi *msm_hdmi_init(struct platform_device *pdev) 120c8afe684SRob Clark { 121067fef37SRob Clark struct hdmi_platform_config *config = pdev->dev.platform_data; 122a3376e3eSRob Clark struct hdmi *hdmi = NULL; 123c6a57a50Sjilai wang struct resource *res; 124dada25bdSRob Clark int i, ret; 125c8afe684SRob Clark 126067fef37SRob Clark hdmi = devm_kzalloc(&pdev->dev, sizeof(*hdmi), GFP_KERNEL); 127a3376e3eSRob Clark if (!hdmi) { 128a3376e3eSRob Clark ret = -ENOMEM; 129a3376e3eSRob Clark goto fail; 130a3376e3eSRob Clark } 131a3376e3eSRob Clark 132c8afe684SRob Clark hdmi->pdev = pdev; 133dada25bdSRob Clark hdmi->config = config; 134c6a57a50Sjilai wang spin_lock_init(&hdmi->reg_lock); 135c0c0d9eeSRob Clark 136c0e745d7SDmitry Baryshkov hdmi->mmio = msm_ioremap(pdev, config->mmio_name); 137c8afe684SRob Clark if (IS_ERR(hdmi->mmio)) { 138c8afe684SRob Clark ret = PTR_ERR(hdmi->mmio); 139c8afe684SRob Clark goto fail; 140c8afe684SRob Clark } 141c8afe684SRob Clark 142c6a57a50Sjilai wang /* HDCP needs physical address of hdmi register */ 143c6a57a50Sjilai wang res = platform_get_resource_byname(pdev, IORESOURCE_MEM, 144c6a57a50Sjilai wang config->mmio_name); 145a36e5067SYang Yingliang if (!res) { 146a36e5067SYang Yingliang ret = -EINVAL; 147a36e5067SYang Yingliang goto fail; 148a36e5067SYang Yingliang } 149c6a57a50Sjilai wang hdmi->mmio_phy_addr = res->start; 150c6a57a50Sjilai wang 151c0e745d7SDmitry Baryshkov hdmi->qfprom_mmio = msm_ioremap(pdev, config->qfprom_mmio_name); 152c6a57a50Sjilai wang if (IS_ERR(hdmi->qfprom_mmio)) { 1536a41da17SMamta Shukla DRM_DEV_INFO(&pdev->dev, "can't find qfprom resource\n"); 154c6a57a50Sjilai wang hdmi->qfprom_mmio = NULL; 155c6a57a50Sjilai wang } 156c6a57a50Sjilai wang 157a86854d0SKees Cook hdmi->hpd_regs = devm_kcalloc(&pdev->dev, 158a86854d0SKees Cook config->hpd_reg_cnt, 159a86854d0SKees Cook sizeof(hdmi->hpd_regs[0]), 160a86854d0SKees Cook GFP_KERNEL); 161447fa529SStephane Viau if (!hdmi->hpd_regs) { 162447fa529SStephane Viau ret = -ENOMEM; 163447fa529SStephane Viau goto fail; 164447fa529SStephane Viau } 16531b3b1f5SDmitry Baryshkov for (i = 0; i < config->hpd_reg_cnt; i++) 16631b3b1f5SDmitry Baryshkov hdmi->hpd_regs[i].supply = config->hpd_reg_names[i]; 167dada25bdSRob Clark 16831b3b1f5SDmitry Baryshkov ret = devm_regulator_bulk_get(&pdev->dev, config->hpd_reg_cnt, hdmi->hpd_regs); 16931b3b1f5SDmitry Baryshkov if (ret) { 17031b3b1f5SDmitry Baryshkov DRM_DEV_ERROR(&pdev->dev, "failed to get hpd regulator: %d\n", ret); 171c8afe684SRob Clark goto fail; 172c8afe684SRob Clark } 173c8afe684SRob Clark 174a86854d0SKees Cook hdmi->pwr_regs = devm_kcalloc(&pdev->dev, 175a86854d0SKees Cook config->pwr_reg_cnt, 176a86854d0SKees Cook sizeof(hdmi->pwr_regs[0]), 177a86854d0SKees Cook GFP_KERNEL); 178447fa529SStephane Viau if (!hdmi->pwr_regs) { 179447fa529SStephane Viau ret = -ENOMEM; 180447fa529SStephane Viau goto fail; 181447fa529SStephane Viau } 182dada25bdSRob Clark 183a18a44e9SDmitry Baryshkov for (i = 0; i < config->pwr_reg_cnt; i++) 184a18a44e9SDmitry Baryshkov hdmi->pwr_regs[i].supply = config->pwr_reg_names[i]; 185a18a44e9SDmitry Baryshkov 18631b3b1f5SDmitry Baryshkov ret = devm_regulator_bulk_get(&pdev->dev, config->pwr_reg_cnt, hdmi->pwr_regs); 18731b3b1f5SDmitry Baryshkov if (ret) { 18831b3b1f5SDmitry Baryshkov DRM_DEV_ERROR(&pdev->dev, "failed to get pwr regulator: %d\n", ret); 189c8afe684SRob Clark goto fail; 190c8afe684SRob Clark } 191c8afe684SRob Clark 192a86854d0SKees Cook hdmi->hpd_clks = devm_kcalloc(&pdev->dev, 193a86854d0SKees Cook config->hpd_clk_cnt, 194a86854d0SKees Cook sizeof(hdmi->hpd_clks[0]), 195a86854d0SKees Cook GFP_KERNEL); 196447fa529SStephane Viau if (!hdmi->hpd_clks) { 197447fa529SStephane Viau ret = -ENOMEM; 198447fa529SStephane Viau goto fail; 199447fa529SStephane Viau } 200dada25bdSRob Clark for (i = 0; i < config->hpd_clk_cnt; i++) { 201dada25bdSRob Clark struct clk *clk; 202dada25bdSRob Clark 203aede1e9eSRob Clark clk = msm_clk_get(pdev, config->hpd_clk_names[i]); 204dada25bdSRob Clark if (IS_ERR(clk)) { 205dada25bdSRob Clark ret = PTR_ERR(clk); 2066a41da17SMamta Shukla DRM_DEV_ERROR(&pdev->dev, "failed to get hpd clk: %s (%d)\n", 207dada25bdSRob Clark config->hpd_clk_names[i], ret); 208c8afe684SRob Clark goto fail; 209c8afe684SRob Clark } 210c8afe684SRob Clark 211dada25bdSRob Clark hdmi->hpd_clks[i] = clk; 212dada25bdSRob Clark } 213dada25bdSRob Clark 214a86854d0SKees Cook hdmi->pwr_clks = devm_kcalloc(&pdev->dev, 215a86854d0SKees Cook config->pwr_clk_cnt, 216a86854d0SKees Cook sizeof(hdmi->pwr_clks[0]), 217a86854d0SKees Cook GFP_KERNEL); 218447fa529SStephane Viau if (!hdmi->pwr_clks) { 219447fa529SStephane Viau ret = -ENOMEM; 220447fa529SStephane Viau goto fail; 221447fa529SStephane Viau } 222dada25bdSRob Clark for (i = 0; i < config->pwr_clk_cnt; i++) { 223dada25bdSRob Clark struct clk *clk; 224dada25bdSRob Clark 225aede1e9eSRob Clark clk = msm_clk_get(pdev, config->pwr_clk_names[i]); 226dada25bdSRob Clark if (IS_ERR(clk)) { 227dada25bdSRob Clark ret = PTR_ERR(clk); 2286a41da17SMamta Shukla DRM_DEV_ERROR(&pdev->dev, "failed to get pwr clk: %s (%d)\n", 229dada25bdSRob Clark config->pwr_clk_names[i], ret); 230c8afe684SRob Clark goto fail; 231c8afe684SRob Clark } 232c8afe684SRob Clark 233dada25bdSRob Clark hdmi->pwr_clks[i] = clk; 234dada25bdSRob Clark } 235dada25bdSRob Clark 236*68e674b1SDmitry Baryshkov hdmi->hpd_gpiod = devm_gpiod_get_optional(&pdev->dev, "hpd", GPIOD_IN); 237*68e674b1SDmitry Baryshkov /* This will catch e.g. -EPROBE_DEFER */ 238*68e674b1SDmitry Baryshkov if (IS_ERR(hdmi->hpd_gpiod)) { 239*68e674b1SDmitry Baryshkov ret = PTR_ERR(hdmi->hpd_gpiod); 240*68e674b1SDmitry Baryshkov DRM_DEV_ERROR(&pdev->dev, "failed to get hpd gpio: (%d)\n", ret); 241*68e674b1SDmitry Baryshkov goto fail; 242*68e674b1SDmitry Baryshkov } 243*68e674b1SDmitry Baryshkov 244*68e674b1SDmitry Baryshkov if (!hdmi->hpd_gpiod) 245*68e674b1SDmitry Baryshkov DBG("failed to get HPD gpio"); 246*68e674b1SDmitry Baryshkov 247*68e674b1SDmitry Baryshkov if (hdmi->hpd_gpiod) 248*68e674b1SDmitry Baryshkov gpiod_set_consumer_name(hdmi->hpd_gpiod, "HDMI_HPD"); 249*68e674b1SDmitry Baryshkov 2506ed9ed48SArchit Taneja pm_runtime_enable(&pdev->dev); 2516ed9ed48SArchit Taneja 252c6a57a50Sjilai wang hdmi->workq = alloc_ordered_workqueue("msm_hdmi", 0); 253c6a57a50Sjilai wang 254fcda50c8SArnd Bergmann hdmi->i2c = msm_hdmi_i2c_init(hdmi); 255c8afe684SRob Clark if (IS_ERR(hdmi->i2c)) { 256c8afe684SRob Clark ret = PTR_ERR(hdmi->i2c); 2576a41da17SMamta Shukla DRM_DEV_ERROR(&pdev->dev, "failed to get i2c: %d\n", ret); 258c8afe684SRob Clark hdmi->i2c = NULL; 259c8afe684SRob Clark goto fail; 260c8afe684SRob Clark } 261c8afe684SRob Clark 262fcda50c8SArnd Bergmann ret = msm_hdmi_get_phy(hdmi); 263e00012b2SArchit Taneja if (ret) { 2646a41da17SMamta Shukla DRM_DEV_ERROR(&pdev->dev, "failed to get phy\n"); 265e00012b2SArchit Taneja goto fail; 266e00012b2SArchit Taneja } 267e00012b2SArchit Taneja 268fcda50c8SArnd Bergmann hdmi->hdcp_ctrl = msm_hdmi_hdcp_init(hdmi); 269c6a57a50Sjilai wang if (IS_ERR(hdmi->hdcp_ctrl)) { 270c6a57a50Sjilai wang dev_warn(&pdev->dev, "failed to init hdcp: disabled\n"); 271c6a57a50Sjilai wang hdmi->hdcp_ctrl = NULL; 272c6a57a50Sjilai wang } 273c6a57a50Sjilai wang 274067fef37SRob Clark return hdmi; 275067fef37SRob Clark 276067fef37SRob Clark fail: 277067fef37SRob Clark if (hdmi) 278fcda50c8SArnd Bergmann msm_hdmi_destroy(hdmi); 279067fef37SRob Clark 280067fef37SRob Clark return ERR_PTR(ret); 281067fef37SRob Clark } 282067fef37SRob Clark 283067fef37SRob Clark /* Second part of initialization, the drm/kms level modeset_init, 284067fef37SRob Clark * constructs/initializes mode objects, etc, is called from master 285067fef37SRob Clark * driver (not hdmi sub-device's probe/bind!) 286067fef37SRob Clark * 287067fef37SRob Clark * Any resource (regulator/clk/etc) which could be missing at boot 288fcda50c8SArnd Bergmann * should be handled in msm_hdmi_init() so that failure happens from 289067fef37SRob Clark * hdmi sub-device's probe. 290067fef37SRob Clark */ 291fcda50c8SArnd Bergmann int msm_hdmi_modeset_init(struct hdmi *hdmi, 292067fef37SRob Clark struct drm_device *dev, struct drm_encoder *encoder) 293067fef37SRob Clark { 294067fef37SRob Clark struct msm_drm_private *priv = dev->dev_private; 295067fef37SRob Clark struct platform_device *pdev = hdmi->pdev; 296067fef37SRob Clark int ret; 297067fef37SRob Clark 298067fef37SRob Clark hdmi->dev = dev; 299067fef37SRob Clark hdmi->encoder = encoder; 300067fef37SRob Clark 301067fef37SRob Clark hdmi_audio_infoframe_init(&hdmi->audio.infoframe); 302067fef37SRob Clark 303fcda50c8SArnd Bergmann hdmi->bridge = msm_hdmi_bridge_init(hdmi); 304a3376e3eSRob Clark if (IS_ERR(hdmi->bridge)) { 305a3376e3eSRob Clark ret = PTR_ERR(hdmi->bridge); 3066a41da17SMamta Shukla DRM_DEV_ERROR(dev->dev, "failed to create HDMI bridge: %d\n", ret); 307a3376e3eSRob Clark hdmi->bridge = NULL; 308a3376e3eSRob Clark goto fail; 309a3376e3eSRob Clark } 310a3376e3eSRob Clark 311caa24223SDmitry Baryshkov hdmi->connector = drm_bridge_connector_init(hdmi->dev, encoder); 312a3376e3eSRob Clark if (IS_ERR(hdmi->connector)) { 313a3376e3eSRob Clark ret = PTR_ERR(hdmi->connector); 3146a41da17SMamta Shukla DRM_DEV_ERROR(dev->dev, "failed to create HDMI connector: %d\n", ret); 315a3376e3eSRob Clark hdmi->connector = NULL; 316a3376e3eSRob Clark goto fail; 317a3376e3eSRob Clark } 318a3376e3eSRob Clark 319caa24223SDmitry Baryshkov drm_connector_attach_encoder(hdmi->connector, hdmi->encoder); 320caa24223SDmitry Baryshkov 321f6a8eacaSRob Clark hdmi->irq = irq_of_parse_and_map(pdev->dev.of_node, 0); 32203371e4fSLv Ruyi if (!hdmi->irq) { 32303371e4fSLv Ruyi ret = -EINVAL; 32403371e4fSLv Ruyi DRM_DEV_ERROR(dev->dev, "failed to get irq\n"); 325c8afe684SRob Clark goto fail; 326c8afe684SRob Clark } 327c8afe684SRob Clark 328f6a8eacaSRob Clark ret = devm_request_irq(&pdev->dev, hdmi->irq, 329088604d3SDaniel Thompson msm_hdmi_irq, IRQF_TRIGGER_HIGH, 330c8afe684SRob Clark "hdmi_isr", hdmi); 331c8afe684SRob Clark if (ret < 0) { 3326a41da17SMamta Shukla DRM_DEV_ERROR(dev->dev, "failed to request IRQ%u: %d\n", 333c8afe684SRob Clark hdmi->irq, ret); 334c8afe684SRob Clark goto fail; 335c8afe684SRob Clark } 336c8afe684SRob Clark 337caa24223SDmitry Baryshkov drm_bridge_connector_enable_hpd(hdmi->connector); 338caa24223SDmitry Baryshkov 339caa24223SDmitry Baryshkov ret = msm_hdmi_hpd_enable(hdmi->bridge); 340ee445635STodor Tomov if (ret < 0) { 341ee445635STodor Tomov DRM_DEV_ERROR(&hdmi->pdev->dev, "failed to enable HPD: %d\n", ret); 342ee445635STodor Tomov goto fail; 343ee445635STodor Tomov } 344ee445635STodor Tomov 345a3376e3eSRob Clark priv->bridges[priv->num_bridges++] = hdmi->bridge; 346a3376e3eSRob Clark 347c0c0d9eeSRob Clark platform_set_drvdata(pdev, hdmi); 348c0c0d9eeSRob Clark 349067fef37SRob Clark return 0; 350c8afe684SRob Clark 351c8afe684SRob Clark fail: 3523d3f8b1fSAjay Kumar /* bridge is normally destroyed by drm: */ 353067fef37SRob Clark if (hdmi->bridge) { 354fcda50c8SArnd Bergmann msm_hdmi_bridge_destroy(hdmi->bridge); 355067fef37SRob Clark hdmi->bridge = NULL; 356067fef37SRob Clark } 357067fef37SRob Clark if (hdmi->connector) { 358a3376e3eSRob Clark hdmi->connector->funcs->destroy(hdmi->connector); 359067fef37SRob Clark hdmi->connector = NULL; 360a3376e3eSRob Clark } 361c8afe684SRob Clark 362067fef37SRob Clark return ret; 363c8afe684SRob Clark } 364c8afe684SRob Clark 365c8afe684SRob Clark /* 366c8afe684SRob Clark * The hdmi device: 367c8afe684SRob Clark */ 368c8afe684SRob Clark 3695eba5d87SStephane Viau #define HDMI_CFG(item, entry) \ 3705eba5d87SStephane Viau .item ## _names = item ##_names_ ## entry, \ 3715eba5d87SStephane Viau .item ## _cnt = ARRAY_SIZE(item ## _names_ ## entry) 3725eba5d87SStephane Viau 3730afbe59eSStephane Viau static const char *pwr_reg_names_none[] = {}; 3740afbe59eSStephane Viau static const char *hpd_reg_names_none[] = {}; 3750afbe59eSStephane Viau 376ba3d7bf3SArchit Taneja static struct hdmi_platform_config hdmi_tx_8660_config; 3775eba5d87SStephane Viau 3787fbf0253SDmitry Baryshkov static const char *hpd_reg_names_8960[] = {"core-vdda"}; 379aede1e9eSRob Clark static const char *hpd_clk_names_8960[] = {"core", "master_iface", "slave_iface"}; 3805eba5d87SStephane Viau 3815eba5d87SStephane Viau static struct hdmi_platform_config hdmi_tx_8960_config = { 3825eba5d87SStephane Viau HDMI_CFG(hpd_reg, 8960), 3835eba5d87SStephane Viau HDMI_CFG(hpd_clk, 8960), 3845eba5d87SStephane Viau }; 3855eba5d87SStephane Viau 3865eba5d87SStephane Viau static const char *pwr_reg_names_8x74[] = {"core-vdda", "core-vcc"}; 3875eba5d87SStephane Viau static const char *hpd_reg_names_8x74[] = {"hpd-gdsc", "hpd-5v"}; 388aede1e9eSRob Clark static const char *pwr_clk_names_8x74[] = {"extp", "alt_iface"}; 389aede1e9eSRob Clark static const char *hpd_clk_names_8x74[] = {"iface", "core", "mdp_core"}; 3905eba5d87SStephane Viau static unsigned long hpd_clk_freq_8x74[] = {0, 19200000, 0}; 3915eba5d87SStephane Viau 3925cf3a455SRob Clark static struct hdmi_platform_config hdmi_tx_8974_config = { 3935eba5d87SStephane Viau HDMI_CFG(pwr_reg, 8x74), 3945eba5d87SStephane Viau HDMI_CFG(hpd_reg, 8x74), 3955eba5d87SStephane Viau HDMI_CFG(pwr_clk, 8x74), 3965eba5d87SStephane Viau HDMI_CFG(hpd_clk, 8x74), 3975eba5d87SStephane Viau .hpd_freq = hpd_clk_freq_8x74, 3985eba5d87SStephane Viau }; 3995eba5d87SStephane Viau 4005eba5d87SStephane Viau static const char *hpd_reg_names_8084[] = {"hpd-gdsc", "hpd-5v", "hpd-5v-en"}; 4015eba5d87SStephane Viau 4025eba5d87SStephane Viau static struct hdmi_platform_config hdmi_tx_8084_config = { 4035eba5d87SStephane Viau HDMI_CFG(pwr_reg, 8x74), 4045eba5d87SStephane Viau HDMI_CFG(hpd_reg, 8084), 4055eba5d87SStephane Viau HDMI_CFG(pwr_clk, 8x74), 4065eba5d87SStephane Viau HDMI_CFG(hpd_clk, 8x74), 4075eba5d87SStephane Viau .hpd_freq = hpd_clk_freq_8x74, 4085eba5d87SStephane Viau }; 4095eba5d87SStephane Viau 4105cf3a455SRob Clark static struct hdmi_platform_config hdmi_tx_8994_config = { 4113a84f846SStephane Viau HDMI_CFG(pwr_reg, 8x74), 4120afbe59eSStephane Viau HDMI_CFG(hpd_reg, none), 4130afbe59eSStephane Viau HDMI_CFG(pwr_clk, 8x74), 4140afbe59eSStephane Viau HDMI_CFG(hpd_clk, 8x74), 4150afbe59eSStephane Viau .hpd_freq = hpd_clk_freq_8x74, 4160afbe59eSStephane Viau }; 4170afbe59eSStephane Viau 4180afbe59eSStephane Viau static struct hdmi_platform_config hdmi_tx_8996_config = { 4190afbe59eSStephane Viau HDMI_CFG(pwr_reg, none), 4200afbe59eSStephane Viau HDMI_CFG(hpd_reg, none), 4213a84f846SStephane Viau HDMI_CFG(pwr_clk, 8x74), 4223a84f846SStephane Viau HDMI_CFG(hpd_clk, 8x74), 4233a84f846SStephane Viau .hpd_freq = hpd_clk_freq_8x74, 4243a84f846SStephane Viau }; 4253a84f846SStephane Viau 426f1427016SSrinivas Kandagatla /* 427f1427016SSrinivas Kandagatla * HDMI audio codec callbacks 428f1427016SSrinivas Kandagatla */ 429f1427016SSrinivas Kandagatla static int msm_hdmi_audio_hw_params(struct device *dev, void *data, 430f1427016SSrinivas Kandagatla struct hdmi_codec_daifmt *daifmt, 431f1427016SSrinivas Kandagatla struct hdmi_codec_params *params) 432f1427016SSrinivas Kandagatla { 433f1427016SSrinivas Kandagatla struct hdmi *hdmi = dev_get_drvdata(dev); 434f1427016SSrinivas Kandagatla unsigned int chan; 435f1427016SSrinivas Kandagatla unsigned int channel_allocation = 0; 436f1427016SSrinivas Kandagatla unsigned int rate; 437f1427016SSrinivas Kandagatla unsigned int level_shift = 0; /* 0dB */ 438f1427016SSrinivas Kandagatla bool down_mix = false; 439f1427016SSrinivas Kandagatla 4406a41da17SMamta Shukla DRM_DEV_DEBUG(dev, "%u Hz, %d bit, %d channels\n", params->sample_rate, 441f1427016SSrinivas Kandagatla params->sample_width, params->cea.channels); 442f1427016SSrinivas Kandagatla 443f1427016SSrinivas Kandagatla switch (params->cea.channels) { 444f1427016SSrinivas Kandagatla case 2: 445f1427016SSrinivas Kandagatla /* FR and FL speakers */ 446f1427016SSrinivas Kandagatla channel_allocation = 0; 447f1427016SSrinivas Kandagatla chan = MSM_HDMI_AUDIO_CHANNEL_2; 448f1427016SSrinivas Kandagatla break; 449f1427016SSrinivas Kandagatla case 4: 450f1427016SSrinivas Kandagatla /* FC, LFE, FR and FL speakers */ 451f1427016SSrinivas Kandagatla channel_allocation = 0x3; 452f1427016SSrinivas Kandagatla chan = MSM_HDMI_AUDIO_CHANNEL_4; 453f1427016SSrinivas Kandagatla break; 454f1427016SSrinivas Kandagatla case 6: 455f1427016SSrinivas Kandagatla /* RR, RL, FC, LFE, FR and FL speakers */ 456f1427016SSrinivas Kandagatla channel_allocation = 0x0B; 457f1427016SSrinivas Kandagatla chan = MSM_HDMI_AUDIO_CHANNEL_6; 458f1427016SSrinivas Kandagatla break; 459f1427016SSrinivas Kandagatla case 8: 460f1427016SSrinivas Kandagatla /* FRC, FLC, RR, RL, FC, LFE, FR and FL speakers */ 461f1427016SSrinivas Kandagatla channel_allocation = 0x1F; 462f1427016SSrinivas Kandagatla chan = MSM_HDMI_AUDIO_CHANNEL_8; 463f1427016SSrinivas Kandagatla break; 464f1427016SSrinivas Kandagatla default: 465f1427016SSrinivas Kandagatla return -EINVAL; 466f1427016SSrinivas Kandagatla } 467f1427016SSrinivas Kandagatla 468f1427016SSrinivas Kandagatla switch (params->sample_rate) { 469f1427016SSrinivas Kandagatla case 32000: 470f1427016SSrinivas Kandagatla rate = HDMI_SAMPLE_RATE_32KHZ; 471f1427016SSrinivas Kandagatla break; 472f1427016SSrinivas Kandagatla case 44100: 473f1427016SSrinivas Kandagatla rate = HDMI_SAMPLE_RATE_44_1KHZ; 474f1427016SSrinivas Kandagatla break; 475f1427016SSrinivas Kandagatla case 48000: 476f1427016SSrinivas Kandagatla rate = HDMI_SAMPLE_RATE_48KHZ; 477f1427016SSrinivas Kandagatla break; 478f1427016SSrinivas Kandagatla case 88200: 479f1427016SSrinivas Kandagatla rate = HDMI_SAMPLE_RATE_88_2KHZ; 480f1427016SSrinivas Kandagatla break; 481f1427016SSrinivas Kandagatla case 96000: 482f1427016SSrinivas Kandagatla rate = HDMI_SAMPLE_RATE_96KHZ; 483f1427016SSrinivas Kandagatla break; 484f1427016SSrinivas Kandagatla case 176400: 485f1427016SSrinivas Kandagatla rate = HDMI_SAMPLE_RATE_176_4KHZ; 486f1427016SSrinivas Kandagatla break; 487f1427016SSrinivas Kandagatla case 192000: 488f1427016SSrinivas Kandagatla rate = HDMI_SAMPLE_RATE_192KHZ; 489f1427016SSrinivas Kandagatla break; 490f1427016SSrinivas Kandagatla default: 4916a41da17SMamta Shukla DRM_DEV_ERROR(dev, "rate[%d] not supported!\n", 492f1427016SSrinivas Kandagatla params->sample_rate); 493f1427016SSrinivas Kandagatla return -EINVAL; 494f1427016SSrinivas Kandagatla } 495f1427016SSrinivas Kandagatla 496f1427016SSrinivas Kandagatla msm_hdmi_audio_set_sample_rate(hdmi, rate); 497f1427016SSrinivas Kandagatla msm_hdmi_audio_info_setup(hdmi, 1, chan, channel_allocation, 498f1427016SSrinivas Kandagatla level_shift, down_mix); 499f1427016SSrinivas Kandagatla 500f1427016SSrinivas Kandagatla return 0; 501f1427016SSrinivas Kandagatla } 502f1427016SSrinivas Kandagatla 503f1427016SSrinivas Kandagatla static void msm_hdmi_audio_shutdown(struct device *dev, void *data) 504f1427016SSrinivas Kandagatla { 505f1427016SSrinivas Kandagatla struct hdmi *hdmi = dev_get_drvdata(dev); 506f1427016SSrinivas Kandagatla 507f1427016SSrinivas Kandagatla msm_hdmi_audio_info_setup(hdmi, 0, 0, 0, 0, 0); 508f1427016SSrinivas Kandagatla } 509f1427016SSrinivas Kandagatla 510f1427016SSrinivas Kandagatla static const struct hdmi_codec_ops msm_hdmi_audio_codec_ops = { 511f1427016SSrinivas Kandagatla .hw_params = msm_hdmi_audio_hw_params, 512f1427016SSrinivas Kandagatla .audio_shutdown = msm_hdmi_audio_shutdown, 513f1427016SSrinivas Kandagatla }; 514f1427016SSrinivas Kandagatla 515f1427016SSrinivas Kandagatla static struct hdmi_codec_pdata codec_data = { 516f1427016SSrinivas Kandagatla .ops = &msm_hdmi_audio_codec_ops, 517f1427016SSrinivas Kandagatla .max_i2s_channels = 8, 518f1427016SSrinivas Kandagatla .i2s = 1, 519f1427016SSrinivas Kandagatla }; 520f1427016SSrinivas Kandagatla 521f1427016SSrinivas Kandagatla static int msm_hdmi_register_audio_driver(struct hdmi *hdmi, struct device *dev) 522f1427016SSrinivas Kandagatla { 523f1427016SSrinivas Kandagatla hdmi->audio_pdev = platform_device_register_data(dev, 524f1427016SSrinivas Kandagatla HDMI_CODEC_DRV_NAME, 525f1427016SSrinivas Kandagatla PLATFORM_DEVID_AUTO, 526f1427016SSrinivas Kandagatla &codec_data, 527f1427016SSrinivas Kandagatla sizeof(codec_data)); 52806f32172SWei Yongjun return PTR_ERR_OR_ZERO(hdmi->audio_pdev); 529f1427016SSrinivas Kandagatla } 530f1427016SSrinivas Kandagatla 531fcda50c8SArnd Bergmann static int msm_hdmi_bind(struct device *dev, struct device *master, void *data) 532fc886107SMark Charlebois { 533ec919e6eSAngeloGioacchino Del Regno struct msm_drm_private *priv = dev_get_drvdata(master); 53467146519SYueHaibing struct hdmi_platform_config *hdmi_cfg; 535067fef37SRob Clark struct hdmi *hdmi; 536fc886107SMark Charlebois struct device_node *of_node = dev->of_node; 537*68e674b1SDmitry Baryshkov int err; 538dada25bdSRob Clark 5391fd6a441SArchit Taneja hdmi_cfg = (struct hdmi_platform_config *) 5401fd6a441SArchit Taneja of_device_get_match_data(dev); 5411fd6a441SArchit Taneja if (!hdmi_cfg) { 5426a41da17SMamta Shukla DRM_DEV_ERROR(dev, "unknown hdmi_cfg: %pOFn\n", of_node); 5435eba5d87SStephane Viau return -ENXIO; 54441e69778SRob Clark } 54541e69778SRob Clark 5465eba5d87SStephane Viau hdmi_cfg->mmio_name = "core_physical"; 547c6a57a50Sjilai wang hdmi_cfg->qfprom_mmio_name = "qfprom_physical"; 548dc50f782SArchit Taneja 5495eba5d87SStephane Viau dev->platform_data = hdmi_cfg; 5505eba5d87SStephane Viau 551fcda50c8SArnd Bergmann hdmi = msm_hdmi_init(to_platform_device(dev)); 552067fef37SRob Clark if (IS_ERR(hdmi)) 553067fef37SRob Clark return PTR_ERR(hdmi); 554d1a717bdSRob Clark priv->hdmi = hdmi; 5555eba5d87SStephane Viau 556f1427016SSrinivas Kandagatla err = msm_hdmi_register_audio_driver(hdmi, dev); 557f1427016SSrinivas Kandagatla if (err) { 558f1427016SSrinivas Kandagatla DRM_ERROR("Failed to attach an audio codec %d\n", err); 559f1427016SSrinivas Kandagatla hdmi->audio_pdev = NULL; 560f1427016SSrinivas Kandagatla } 561f1427016SSrinivas Kandagatla 562c8afe684SRob Clark return 0; 563c8afe684SRob Clark } 564c8afe684SRob Clark 565fcda50c8SArnd Bergmann static void msm_hdmi_unbind(struct device *dev, struct device *master, 566060530f1SRob Clark void *data) 567060530f1SRob Clark { 568ec919e6eSAngeloGioacchino Del Regno struct msm_drm_private *priv = dev_get_drvdata(master); 569ec919e6eSAngeloGioacchino Del Regno 570d1a717bdSRob Clark if (priv->hdmi) { 571f1427016SSrinivas Kandagatla if (priv->hdmi->audio_pdev) 572f1427016SSrinivas Kandagatla platform_device_unregister(priv->hdmi->audio_pdev); 573f1427016SSrinivas Kandagatla 574fcda50c8SArnd Bergmann msm_hdmi_destroy(priv->hdmi); 575d1a717bdSRob Clark priv->hdmi = NULL; 576d1a717bdSRob Clark } 577060530f1SRob Clark } 578060530f1SRob Clark 579fcda50c8SArnd Bergmann static const struct component_ops msm_hdmi_ops = { 580fcda50c8SArnd Bergmann .bind = msm_hdmi_bind, 581fcda50c8SArnd Bergmann .unbind = msm_hdmi_unbind, 582060530f1SRob Clark }; 583060530f1SRob Clark 584fcda50c8SArnd Bergmann static int msm_hdmi_dev_probe(struct platform_device *pdev) 585060530f1SRob Clark { 586fcda50c8SArnd Bergmann return component_add(&pdev->dev, &msm_hdmi_ops); 587060530f1SRob Clark } 588060530f1SRob Clark 589fcda50c8SArnd Bergmann static int msm_hdmi_dev_remove(struct platform_device *pdev) 590c8afe684SRob Clark { 591fcda50c8SArnd Bergmann component_del(&pdev->dev, &msm_hdmi_ops); 592c8afe684SRob Clark return 0; 593c8afe684SRob Clark } 594c8afe684SRob Clark 595fcda50c8SArnd Bergmann static const struct of_device_id msm_hdmi_dt_match[] = { 5961fd6a441SArchit Taneja { .compatible = "qcom,hdmi-tx-8996", .data = &hdmi_tx_8996_config }, 5971fd6a441SArchit Taneja { .compatible = "qcom,hdmi-tx-8994", .data = &hdmi_tx_8994_config }, 5981fd6a441SArchit Taneja { .compatible = "qcom,hdmi-tx-8084", .data = &hdmi_tx_8084_config }, 5991fd6a441SArchit Taneja { .compatible = "qcom,hdmi-tx-8974", .data = &hdmi_tx_8974_config }, 6001fd6a441SArchit Taneja { .compatible = "qcom,hdmi-tx-8960", .data = &hdmi_tx_8960_config }, 6011fd6a441SArchit Taneja { .compatible = "qcom,hdmi-tx-8660", .data = &hdmi_tx_8660_config }, 6021fd6a441SArchit Taneja {} 6031fd6a441SArchit Taneja }; 6041fd6a441SArchit Taneja 605fcda50c8SArnd Bergmann static struct platform_driver msm_hdmi_driver = { 606fcda50c8SArnd Bergmann .probe = msm_hdmi_dev_probe, 607fcda50c8SArnd Bergmann .remove = msm_hdmi_dev_remove, 608dada25bdSRob Clark .driver = { 609dada25bdSRob Clark .name = "hdmi_msm", 610fcda50c8SArnd Bergmann .of_match_table = msm_hdmi_dt_match, 611dada25bdSRob Clark }, 612c8afe684SRob Clark }; 613c8afe684SRob Clark 614fcda50c8SArnd Bergmann void __init msm_hdmi_register(void) 615c8afe684SRob Clark { 616fcda50c8SArnd Bergmann msm_hdmi_phy_driver_register(); 617fcda50c8SArnd Bergmann platform_driver_register(&msm_hdmi_driver); 618c8afe684SRob Clark } 619c8afe684SRob Clark 620fcda50c8SArnd Bergmann void __exit msm_hdmi_unregister(void) 621c8afe684SRob Clark { 622fcda50c8SArnd Bergmann platform_driver_unregister(&msm_hdmi_driver); 623fcda50c8SArnd Bergmann msm_hdmi_phy_driver_unregister(); 624c8afe684SRob Clark } 625