[mirror_ubuntu-jammy-kernel.git] / drivers / gpu / drm / msm / hdmi / hdmi.c

/*
 * Copyright (C) 2013 Red Hat
 * Author: Rob Clark <robdclark@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published by
 * the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "hdmi.h"

void hdmi_set_mode(struct hdmi *hdmi, bool power_on)
{
	uint32_t ctrl = 0;

	if (power_on) {
		ctrl |= HDMI_CTRL_ENABLE;
		if (!hdmi->hdmi_mode) {
			ctrl |= HDMI_CTRL_HDMI;
			hdmi_write(hdmi, REG_HDMI_CTRL, ctrl);
			ctrl &= ~HDMI_CTRL_HDMI;
		} else {
			ctrl |= HDMI_CTRL_HDMI;
		}
	} else {
		ctrl = HDMI_CTRL_HDMI;
	}

	hdmi_write(hdmi, REG_HDMI_CTRL, ctrl);
	DBG("HDMI Core: %s, HDMI_CTRL=0x%08x",
			power_on ? "Enable" : "Disable", ctrl);
}

irqreturn_t hdmi_irq(int irq, void *dev_id)
{
	struct hdmi *hdmi = dev_id;

	/* Process HPD: */
	hdmi_connector_irq(hdmi->connector);

	/* Process DDC: */
	hdmi_i2c_irq(hdmi->i2c);

	/* TODO audio.. */

	return IRQ_HANDLED;
}

void hdmi_destroy(struct kref *kref)
{
	struct hdmi *hdmi = container_of(kref, struct hdmi, refcount);
	struct hdmi_phy *phy = hdmi->phy;

	if (phy)
		phy->funcs->destroy(phy);

	if (hdmi->i2c)
		hdmi_i2c_destroy(hdmi->i2c);

	platform_set_drvdata(hdmi->pdev, NULL);
}

/* initialize connector */
struct hdmi *hdmi_init(struct drm_device *dev, struct drm_encoder *encoder)
{
	struct hdmi *hdmi = NULL;
	struct msm_drm_private *priv = dev->dev_private;
	struct platform_device *pdev = priv->hdmi_pdev;
	struct hdmi_platform_config *config;
	int i, ret;

	if (!pdev) {
		dev_err(dev->dev, "no hdmi device\n");
		ret = -ENXIO;
		goto fail;
	}

	config = pdev->dev.platform_data;

	hdmi = kzalloc(sizeof(*hdmi), GFP_KERNEL);
	if (!hdmi) {
		ret = -ENOMEM;
		goto fail;
	}

	kref_init(&hdmi->refcount);

	hdmi->dev = dev;
	hdmi->pdev = pdev;
	hdmi->config = config;
	hdmi->encoder = encoder;

	hdmi_audio_infoframe_init(&hdmi->audio.infoframe);

	/* not sure about which phy maps to which msm.. probably I miss some */
	if (config->phy_init)
		hdmi->phy = config->phy_init(hdmi);
	else
		hdmi->phy = ERR_PTR(-ENXIO);

	if (IS_ERR(hdmi->phy)) {
		ret = PTR_ERR(hdmi->phy);
		dev_err(dev->dev, "failed to load phy: %d\n", ret);
		hdmi->phy = NULL;
		goto fail;
	}

	hdmi->mmio = msm_ioremap(pdev, config->mmio_name, "HDMI");
	if (IS_ERR(hdmi->mmio)) {
		ret = PTR_ERR(hdmi->mmio);
		goto fail;
	}

	BUG_ON(config->hpd_reg_cnt > ARRAY_SIZE(hdmi->hpd_regs));
	for (i = 0; i < config->hpd_reg_cnt; i++) {
		struct regulator *reg;

		reg = devm_regulator_get(&pdev->dev,
				config->hpd_reg_names[i]);
		if (IS_ERR(reg)) {
			ret = PTR_ERR(reg);
			dev_err(dev->dev, "failed to get hpd regulator: %s (%d)\n",
					config->hpd_reg_names[i], ret);
			goto fail;
		}

		hdmi->hpd_regs[i] = reg;
	}

	BUG_ON(config->pwr_reg_cnt > ARRAY_SIZE(hdmi->pwr_regs));
	for (i = 0; i < config->pwr_reg_cnt; i++) {
		struct regulator *reg;

		reg = devm_regulator_get(&pdev->dev,
				config->pwr_reg_names[i]);
		if (IS_ERR(reg)) {
			ret = PTR_ERR(reg);
			dev_err(dev->dev, "failed to get pwr regulator: %s (%d)\n",
					config->pwr_reg_names[i], ret);
			goto fail;
		}

		hdmi->pwr_regs[i] = reg;
	}

	BUG_ON(config->hpd_clk_cnt > ARRAY_SIZE(hdmi->hpd_clks));
	for (i = 0; i < config->hpd_clk_cnt; i++) {
		struct clk *clk;

		clk = devm_clk_get(&pdev->dev, config->hpd_clk_names[i]);
		if (IS_ERR(clk)) {
			ret = PTR_ERR(clk);
			dev_err(dev->dev, "failed to get hpd clk: %s (%d)\n",
					config->hpd_clk_names[i], ret);
			goto fail;
		}

		hdmi->hpd_clks[i] = clk;
	}

	BUG_ON(config->pwr_clk_cnt > ARRAY_SIZE(hdmi->pwr_clks));
	for (i = 0; i < config->pwr_clk_cnt; i++) {
		struct clk *clk;

		clk = devm_clk_get(&pdev->dev, config->pwr_clk_names[i]);
		if (IS_ERR(clk)) {
			ret = PTR_ERR(clk);
			dev_err(dev->dev, "failed to get pwr clk: %s (%d)\n",
					config->pwr_clk_names[i], ret);
			goto fail;
		}

		hdmi->pwr_clks[i] = clk;
	}

	hdmi->i2c = hdmi_i2c_init(hdmi);
	if (IS_ERR(hdmi->i2c)) {
		ret = PTR_ERR(hdmi->i2c);
		dev_err(dev->dev, "failed to get i2c: %d\n", ret);
		hdmi->i2c = NULL;
		goto fail;
	}

	hdmi->bridge = hdmi_bridge_init(hdmi);
	if (IS_ERR(hdmi->bridge)) {
		ret = PTR_ERR(hdmi->bridge);
		dev_err(dev->dev, "failed to create HDMI bridge: %d\n", ret);
		hdmi->bridge = NULL;
		goto fail;
	}

	hdmi->connector = hdmi_connector_init(hdmi);
	if (IS_ERR(hdmi->connector)) {
		ret = PTR_ERR(hdmi->connector);
		dev_err(dev->dev, "failed to create HDMI connector: %d\n", ret);
		hdmi->connector = NULL;
		goto fail;
	}

	if (!config->shared_irq) {
		hdmi->irq = platform_get_irq(pdev, 0);
		if (hdmi->irq < 0) {
			ret = hdmi->irq;
			dev_err(dev->dev, "failed to get irq: %d\n", ret);
			goto fail;
		}

		ret = devm_request_threaded_irq(&pdev->dev, hdmi->irq,
				NULL, hdmi_irq, IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
				"hdmi_isr", hdmi);
		if (ret < 0) {
			dev_err(dev->dev, "failed to request IRQ%u: %d\n",
					hdmi->irq, ret);
			goto fail;
		}
	}

	encoder->bridge = hdmi->bridge;

	priv->bridges[priv->num_bridges++]       = hdmi->bridge;
	priv->connectors[priv->num_connectors++] = hdmi->connector;

	platform_set_drvdata(pdev, hdmi);

	return hdmi;

fail:
	if (hdmi) {
		/* bridge/connector are normally destroyed by drm: */
		if (hdmi->bridge)
			hdmi->bridge->funcs->destroy(hdmi->bridge);
		if (hdmi->connector)
			hdmi->connector->funcs->destroy(hdmi->connector);
		hdmi_destroy(&hdmi->refcount);
	}

	return ERR_PTR(ret);
}

/*
 * The hdmi device:
 */

#include <linux/of_gpio.h>

static void set_hdmi_pdev(struct drm_device *dev,
		struct platform_device *pdev)
{
	struct msm_drm_private *priv = dev->dev_private;
	priv->hdmi_pdev = pdev;
}

#ifdef CONFIG_OF
static int get_gpio(struct device *dev, struct device_node *of_node, const char *name)
{
	int gpio = of_get_named_gpio(of_node, name, 0);
	if (gpio < 0) {
		char name2[32];
		snprintf(name2, sizeof(name2), "%s-gpio", name);
		gpio = of_get_named_gpio(of_node, name2, 0);
		if (gpio < 0) {
			dev_err(dev, "failed to get gpio: %s (%d)\n",
					name, gpio);
			gpio = -1;
		}
	}
	return gpio;
}
#endif

static int hdmi_bind(struct device *dev, struct device *master, void *data)
{
	static struct hdmi_platform_config config = {};
#ifdef CONFIG_OF
	struct device_node *of_node = dev->of_node;

	if (of_device_is_compatible(of_node, "qcom,hdmi-tx-8074")) {
		static const char *hpd_reg_names[] = {"hpd-gdsc", "hpd-5v"};
		static const char *pwr_reg_names[] = {"core-vdda", "core-vcc"};
		static const char *hpd_clk_names[] = {"iface_clk", "core_clk", "mdp_core_clk"};
		static unsigned long hpd_clk_freq[] = {0, 19200000, 0};
		static const char *pwr_clk_names[] = {"extp_clk", "alt_iface_clk"};
		config.phy_init      = hdmi_phy_8x74_init;
		config.hpd_reg_names = hpd_reg_names;
		config.hpd_reg_cnt   = ARRAY_SIZE(hpd_reg_names);
		config.pwr_reg_names = pwr_reg_names;
		config.pwr_reg_cnt   = ARRAY_SIZE(pwr_reg_names);
		config.hpd_clk_names = hpd_clk_names;
		config.hpd_freq      = hpd_clk_freq;
		config.hpd_clk_cnt   = ARRAY_SIZE(hpd_clk_names);
		config.pwr_clk_names = pwr_clk_names;
		config.pwr_clk_cnt   = ARRAY_SIZE(pwr_clk_names);
		config.shared_irq    = true;
	} else if (of_device_is_compatible(of_node, "qcom,hdmi-tx-8960")) {
		static const char *hpd_clk_names[] = {"core_clk", "master_iface_clk", "slave_iface_clk"};
		static const char *hpd_reg_names[] = {"core-vdda", "hdmi-mux"};
		config.phy_init      = hdmi_phy_8960_init;
		config.hpd_reg_names = hpd_reg_names;
		config.hpd_reg_cnt   = ARRAY_SIZE(hpd_reg_names);
		config.hpd_clk_names = hpd_clk_names;
		config.hpd_clk_cnt   = ARRAY_SIZE(hpd_clk_names);
	} else if (of_device_is_compatible(of_node, "qcom,hdmi-tx-8660")) {
		config.phy_init      = hdmi_phy_8x60_init;
	} else {
		dev_err(dev, "unknown phy: %s\n", of_node->name);
	}

	config.mmio_name     = "core_physical";
	config.ddc_clk_gpio  = get_gpio(dev, of_node, "qcom,hdmi-tx-ddc-clk");
	config.ddc_data_gpio = get_gpio(dev, of_node, "qcom,hdmi-tx-ddc-data");
	config.hpd_gpio      = get_gpio(dev, of_node, "qcom,hdmi-tx-hpd");
	config.mux_en_gpio   = get_gpio(dev, of_node, "qcom,hdmi-tx-mux-en");
	config.mux_sel_gpio  = get_gpio(dev, of_node, "qcom,hdmi-tx-mux-sel");
	config.mux_lpm_gpio  = get_gpio(dev, of_node, "qcom,hdmi-tx-mux-lpm");

#else
	static const char *hpd_clk_names[] = {
			"core_clk", "master_iface_clk", "slave_iface_clk",
	};
	if (cpu_is_apq8064()) {
		static const char *hpd_reg_names[] = {"8921_hdmi_mvs"};
		config.phy_init      = hdmi_phy_8960_init;
		config.mmio_name     = "hdmi_msm_hdmi_addr";
		config.hpd_reg_names = hpd_reg_names;
		config.hpd_reg_cnt   = ARRAY_SIZE(hpd_reg_names);
		config.hpd_clk_names = hpd_clk_names;
		config.hpd_clk_cnt   = ARRAY_SIZE(hpd_clk_names);
		config.ddc_clk_gpio  = 70;
		config.ddc_data_gpio = 71;
		config.hpd_gpio      = 72;
		config.mux_en_gpio   = -1;
		config.mux_sel_gpio  = -1;
	} else if (cpu_is_msm8960() || cpu_is_msm8960ab()) {
		static const char *hpd_reg_names[] = {"8921_hdmi_mvs"};
		config.phy_init      = hdmi_phy_8960_init;
		config.mmio_name     = "hdmi_msm_hdmi_addr";
		config.hpd_reg_names = hpd_reg_names;
		config.hpd_reg_cnt   = ARRAY_SIZE(hpd_reg_names);
		config.hpd_clk_names = hpd_clk_names;
		config.hpd_clk_cnt   = ARRAY_SIZE(hpd_clk_names);
		config.ddc_clk_gpio  = 100;
		config.ddc_data_gpio = 101;
		config.hpd_gpio      = 102;
		config.mux_en_gpio   = -1;
		config.mux_sel_gpio  = -1;
	} else if (cpu_is_msm8x60()) {
		static const char *hpd_reg_names[] = {
				"8901_hdmi_mvs", "8901_mpp0"
		};
		config.phy_init      = hdmi_phy_8x60_init;
		config.mmio_name     = "hdmi_msm_hdmi_addr";
		config.hpd_reg_names = hpd_reg_names;
		config.hpd_reg_cnt   = ARRAY_SIZE(hpd_reg_names);
		config.hpd_clk_names = hpd_clk_names;
		config.hpd_clk_cnt   = ARRAY_SIZE(hpd_clk_names);
		config.ddc_clk_gpio  = 170;
		config.ddc_data_gpio = 171;
		config.hpd_gpio      = 172;
		config.mux_en_gpio   = -1;
		config.mux_sel_gpio  = -1;
	}
#endif
	dev->platform_data = &config;
	set_hdmi_pdev(dev_get_drvdata(master), to_platform_device(dev));
	return 0;
}

static void hdmi_unbind(struct device *dev, struct device *master,
		void *data)
{
	set_hdmi_pdev(dev_get_drvdata(master), NULL);
}

static const struct component_ops hdmi_ops = {
		.bind   = hdmi_bind,
		.unbind = hdmi_unbind,
};

static int hdmi_dev_probe(struct platform_device *pdev)
{
	return component_add(&pdev->dev, &hdmi_ops);
}

static int hdmi_dev_remove(struct platform_device *pdev)
{
	component_del(&pdev->dev, &hdmi_ops);
	return 0;
}

static const struct of_device_id dt_match[] = {
	{ .compatible = "qcom,hdmi-tx-8074" },
	{ .compatible = "qcom,hdmi-tx-8960" },
	{ .compatible = "qcom,hdmi-tx-8660" },
	{}
};

static struct platform_driver hdmi_driver = {
	.probe = hdmi_dev_probe,
	.remove = hdmi_dev_remove,
	.driver = {
		.name = "hdmi_msm",
		.of_match_table = dt_match,
	},
};

void __init hdmi_register(void)
{
	platform_driver_register(&hdmi_driver);
}

void __exit hdmi_unregister(void)
{
	platform_driver_unregister(&hdmi_driver);
}
Commit	Line	Data
c8afe684 RC	1	/*
	2	* Copyright (C) 2013 Red Hat
	3	* Author: Rob Clark <robdclark@gmail.com>
	4	*
	5	* This program is free software; you can redistribute it and/or modify it
	6	* under the terms of the GNU General Public License version 2 as published by
	7	* the Free Software Foundation.
	8	*
	9	* This program is distributed in the hope that it will be useful, but WITHOUT
	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	12	* more details.
	13	*
	14	* You should have received a copy of the GNU General Public License along with
	15	* this program. If not, see <http://www.gnu.org/licenses/>.
	16	*/
	17
	18	#include "hdmi.h"
	19
c8afe684 RC	20	void hdmi_set_mode(struct hdmi *hdmi, bool power_on)
	21	{
	22	uint32_t ctrl = 0;
	23
	24	if (power_on) {
	25	ctrl \|= HDMI_CTRL_ENABLE;
	26	if (!hdmi->hdmi_mode) {
	27	ctrl \|= HDMI_CTRL_HDMI;
	28	hdmi_write(hdmi, REG_HDMI_CTRL, ctrl);
	29	ctrl &= ~HDMI_CTRL_HDMI;
	30	} else {
	31	ctrl \|= HDMI_CTRL_HDMI;
	32	}
	33	} else {
	34	ctrl = HDMI_CTRL_HDMI;
	35	}
	36
	37	hdmi_write(hdmi, REG_HDMI_CTRL, ctrl);
	38	DBG("HDMI Core: %s, HDMI_CTRL=0x%08x",
	39	power_on ? "Enable" : "Disable", ctrl);
	40	}
	41
dada25bd	42	irqreturn_t hdmi_irq(int irq, void *dev_id)
c8afe684 RC	43	{
	44	struct hdmi *hdmi = dev_id;
	45
	46	/* Process HPD: */
	47	hdmi_connector_irq(hdmi->connector);
	48
	49	/* Process DDC: */
	50	hdmi_i2c_irq(hdmi->i2c);
	51
	52	/* TODO audio.. */
	53
	54	return IRQ_HANDLED;
	55	}
	56
a3376e3e	57	void hdmi_destroy(struct kref *kref)
c8afe684	58	{
a3376e3e	59	struct hdmi *hdmi = container_of(kref, struct hdmi, refcount);
c8afe684 RC	60	struct hdmi_phy *phy = hdmi->phy;
	61
	62	if (phy)
	63	phy->funcs->destroy(phy);
	64
	65	if (hdmi->i2c)
	66	hdmi_i2c_destroy(hdmi->i2c);
	67
c0c0d9ee	68	platform_set_drvdata(hdmi->pdev, NULL);
c8afe684 RC	69	}
	70
	71	/* initialize connector */
dada25bd	72	struct hdmi hdmi_init(struct drm_device dev, struct drm_encoder *encoder)
c8afe684	73	{
a3376e3e RC	74	struct hdmi *hdmi = NULL;
a3376e3e RC	75	struct msm_drm_private *priv = dev->dev_private;
060530f1	76	struct platform_device *pdev = priv->hdmi_pdev;
c8afe684	77	struct hdmi_platform_config *config;
dada25bd	78	int i, ret;
c8afe684 RC	79
	80	if (!pdev) {
	81	dev_err(dev->dev, "no hdmi device\n");
	82	ret = -ENXIO;
	83	goto fail;
	84	}
	85
	86	config = pdev->dev.platform_data;
	87
a3376e3e RC	88	hdmi = kzalloc(sizeof(*hdmi), GFP_KERNEL);
	89	if (!hdmi) {
	90	ret = -ENOMEM;
	91	goto fail;
	92	}
	93
	94	kref_init(&hdmi->refcount);
	95
c8afe684 RC	96	hdmi->dev = dev;
c8afe684 RC	97	hdmi->pdev = pdev;
dada25bd	98	hdmi->config = config;
a3376e3e	99	hdmi->encoder = encoder;
c8afe684	100
c0c0d9ee RC	101	hdmi_audio_infoframe_init(&hdmi->audio.infoframe);
c0c0d9ee RC	102
c8afe684 RC	103	/* not sure about which phy maps to which msm.. probably I miss some */
	104	if (config->phy_init)
	105	hdmi->phy = config->phy_init(hdmi);
	106	else
	107	hdmi->phy = ERR_PTR(-ENXIO);
	108
	109	if (IS_ERR(hdmi->phy)) {
	110	ret = PTR_ERR(hdmi->phy);
	111	dev_err(dev->dev, "failed to load phy: %d\n", ret);
	112	hdmi->phy = NULL;
	113	goto fail;
	114	}
	115
dada25bd	116	hdmi->mmio = msm_ioremap(pdev, config->mmio_name, "HDMI");
c8afe684 RC	117	if (IS_ERR(hdmi->mmio)) {
	118	ret = PTR_ERR(hdmi->mmio);
	119	goto fail;
	120	}
	121
dada25bd RC	122	BUG_ON(config->hpd_reg_cnt > ARRAY_SIZE(hdmi->hpd_regs));
	123	for (i = 0; i < config->hpd_reg_cnt; i++) {
	124	struct regulator *reg;
	125
3e87599b	126	reg = devm_regulator_get(&pdev->dev,
41e69778	127	config->hpd_reg_names[i]);
dada25bd RC	128	if (IS_ERR(reg)) {
	129	ret = PTR_ERR(reg);
	130	dev_err(dev->dev, "failed to get hpd regulator: %s (%d)\n",
	131	config->hpd_reg_names[i], ret);
	132	goto fail;
	133	}
	134
	135	hdmi->hpd_regs[i] = reg;
c8afe684 RC	136	}
c8afe684 RC	137
dada25bd RC	138	BUG_ON(config->pwr_reg_cnt > ARRAY_SIZE(hdmi->pwr_regs));
	139	for (i = 0; i < config->pwr_reg_cnt; i++) {
	140	struct regulator *reg;
c8afe684	141
3e87599b	142	reg = devm_regulator_get(&pdev->dev,
41e69778	143	config->pwr_reg_names[i]);
dada25bd RC	144	if (IS_ERR(reg)) {
	145	ret = PTR_ERR(reg);
	146	dev_err(dev->dev, "failed to get pwr regulator: %s (%d)\n",
	147	config->pwr_reg_names[i], ret);
	148	goto fail;
	149	}
	150
	151	hdmi->pwr_regs[i] = reg;
c8afe684 RC	152	}
c8afe684 RC	153
dada25bd RC	154	BUG_ON(config->hpd_clk_cnt > ARRAY_SIZE(hdmi->hpd_clks));
	155	for (i = 0; i < config->hpd_clk_cnt; i++) {
	156	struct clk *clk;
	157
	158	clk = devm_clk_get(&pdev->dev, config->hpd_clk_names[i]);
	159	if (IS_ERR(clk)) {
	160	ret = PTR_ERR(clk);
	161	dev_err(dev->dev, "failed to get hpd clk: %s (%d)\n",
	162	config->hpd_clk_names[i], ret);
	163	goto fail;
	164	}
	165
	166	hdmi->hpd_clks[i] = clk;
c8afe684 RC	167	}
c8afe684 RC	168
dada25bd RC	169	BUG_ON(config->pwr_clk_cnt > ARRAY_SIZE(hdmi->pwr_clks));
	170	for (i = 0; i < config->pwr_clk_cnt; i++) {
	171	struct clk *clk;
	172
	173	clk = devm_clk_get(&pdev->dev, config->pwr_clk_names[i]);
	174	if (IS_ERR(clk)) {
	175	ret = PTR_ERR(clk);
	176	dev_err(dev->dev, "failed to get pwr clk: %s (%d)\n",
	177	config->pwr_clk_names[i], ret);
	178	goto fail;
	179	}
	180
	181	hdmi->pwr_clks[i] = clk;
c8afe684 RC	182	}
	183
	184	hdmi->i2c = hdmi_i2c_init(hdmi);
	185	if (IS_ERR(hdmi->i2c)) {
	186	ret = PTR_ERR(hdmi->i2c);
	187	dev_err(dev->dev, "failed to get i2c: %d\n", ret);
	188	hdmi->i2c = NULL;
	189	goto fail;
	190	}
	191
a3376e3e RC	192	hdmi->bridge = hdmi_bridge_init(hdmi);
	193	if (IS_ERR(hdmi->bridge)) {
	194	ret = PTR_ERR(hdmi->bridge);
	195	dev_err(dev->dev, "failed to create HDMI bridge: %d\n", ret);
	196	hdmi->bridge = NULL;
	197	goto fail;
	198	}
	199
	200	hdmi->connector = hdmi_connector_init(hdmi);
	201	if (IS_ERR(hdmi->connector)) {
	202	ret = PTR_ERR(hdmi->connector);
	203	dev_err(dev->dev, "failed to create HDMI connector: %d\n", ret);
	204	hdmi->connector = NULL;
	205	goto fail;
	206	}
	207
dada25bd RC	208	if (!config->shared_irq) {
	209	hdmi->irq = platform_get_irq(pdev, 0);
	210	if (hdmi->irq < 0) {
	211	ret = hdmi->irq;
	212	dev_err(dev->dev, "failed to get irq: %d\n", ret);
	213	goto fail;
	214	}
c8afe684	215
dada25bd RC	216	ret = devm_request_threaded_irq(&pdev->dev, hdmi->irq,
	217	NULL, hdmi_irq, IRQF_TRIGGER_HIGH \| IRQF_ONESHOT,
	218	"hdmi_isr", hdmi);
	219	if (ret < 0) {
	220	dev_err(dev->dev, "failed to request IRQ%u: %d\n",
	221	hdmi->irq, ret);
	222	goto fail;
	223	}
c8afe684 RC	224	}
c8afe684 RC	225
a3376e3e RC	226	encoder->bridge = hdmi->bridge;
	227
	228	priv->bridges[priv->num_bridges++] = hdmi->bridge;
	229	priv->connectors[priv->num_connectors++] = hdmi->connector;
	230
c0c0d9ee RC	231	platform_set_drvdata(pdev, hdmi);
c0c0d9ee RC	232
dada25bd	233	return hdmi;
c8afe684 RC	234
c8afe684 RC	235	fail:
a3376e3e RC	236	if (hdmi) {
	237	/* bridge/connector are normally destroyed by drm: */
	238	if (hdmi->bridge)
	239	hdmi->bridge->funcs->destroy(hdmi->bridge);
	240	if (hdmi->connector)
	241	hdmi->connector->funcs->destroy(hdmi->connector);
	242	hdmi_destroy(&hdmi->refcount);
	243	}
c8afe684	244
dada25bd	245	return ERR_PTR(ret);
c8afe684 RC	246	}
	247
	248	/*
	249	* The hdmi device:
	250	*/
	251
dada25bd RC	252	#include <linux/of_gpio.h>
dada25bd RC	253
060530f1 RC	254	static void set_hdmi_pdev(struct drm_device *dev,
	255	struct platform_device *pdev)
	256	{
	257	struct msm_drm_private *priv = dev->dev_private;
	258	priv->hdmi_pdev = pdev;
	259	}
	260
fc886107 MC	261	#ifdef CONFIG_OF
	262	static int get_gpio(struct device dev, struct device_node of_node, const char *name)
	263	{
	264	int gpio = of_get_named_gpio(of_node, name, 0);
	265	if (gpio < 0) {
	266	char name2[32];
	267	snprintf(name2, sizeof(name2), "%s-gpio", name);
	268	gpio = of_get_named_gpio(of_node, name2, 0);
	269	if (gpio < 0) {
	270	dev_err(dev, "failed to get gpio: %s (%d)\n",
	271	name, gpio);
	272	gpio = -1;
	273	}
	274	}
	275	return gpio;
	276	}
	277	#endif
	278
060530f1	279	static int hdmi_bind(struct device dev, struct device master, void *data)
c8afe684 RC	280	{
	281	static struct hdmi_platform_config config = {};
	282	#ifdef CONFIG_OF
060530f1	283	struct device_node *of_node = dev->of_node;
dada25bd	284
41e69778 RC	285	if (of_device_is_compatible(of_node, "qcom,hdmi-tx-8074")) {
	286	static const char *hpd_reg_names[] = {"hpd-gdsc", "hpd-5v"};
	287	static const char *pwr_reg_names[] = {"core-vdda", "core-vcc"};
	288	static const char *hpd_clk_names[] = {"iface_clk", "core_clk", "mdp_core_clk"};
	289	static unsigned long hpd_clk_freq[] = {0, 19200000, 0};
	290	static const char *pwr_clk_names[] = {"extp_clk", "alt_iface_clk"};
	291	config.phy_init = hdmi_phy_8x74_init;
	292	config.hpd_reg_names = hpd_reg_names;
	293	config.hpd_reg_cnt = ARRAY_SIZE(hpd_reg_names);
	294	config.pwr_reg_names = pwr_reg_names;
	295	config.pwr_reg_cnt = ARRAY_SIZE(pwr_reg_names);
	296	config.hpd_clk_names = hpd_clk_names;
	297	config.hpd_freq = hpd_clk_freq;
	298	config.hpd_clk_cnt = ARRAY_SIZE(hpd_clk_names);
	299	config.pwr_clk_names = pwr_clk_names;
	300	config.pwr_clk_cnt = ARRAY_SIZE(pwr_clk_names);
	301	config.shared_irq = true;
	302	} else if (of_device_is_compatible(of_node, "qcom,hdmi-tx-8960")) {
	303	static const char *hpd_clk_names[] = {"core_clk", "master_iface_clk", "slave_iface_clk"};
	304	static const char *hpd_reg_names[] = {"core-vdda", "hdmi-mux"};
	305	config.phy_init = hdmi_phy_8960_init;
	306	config.hpd_reg_names = hpd_reg_names;
	307	config.hpd_reg_cnt = ARRAY_SIZE(hpd_reg_names);
	308	config.hpd_clk_names = hpd_clk_names;
	309	config.hpd_clk_cnt = ARRAY_SIZE(hpd_clk_names);
	310	} else if (of_device_is_compatible(of_node, "qcom,hdmi-tx-8660")) {
	311	config.phy_init = hdmi_phy_8x60_init;
	312	} else {
	313	dev_err(dev, "unknown phy: %s\n", of_node->name);
	314	}
dada25bd	315
dada25bd	316	config.mmio_name = "core_physical";
fc886107 MC	317	config.ddc_clk_gpio = get_gpio(dev, of_node, "qcom,hdmi-tx-ddc-clk");
	318	config.ddc_data_gpio = get_gpio(dev, of_node, "qcom,hdmi-tx-ddc-data");
	319	config.hpd_gpio = get_gpio(dev, of_node, "qcom,hdmi-tx-hpd");
	320	config.mux_en_gpio = get_gpio(dev, of_node, "qcom,hdmi-tx-mux-en");
	321	config.mux_sel_gpio = get_gpio(dev, of_node, "qcom,hdmi-tx-mux-sel");
	322	config.mux_lpm_gpio = get_gpio(dev, of_node, "qcom,hdmi-tx-mux-lpm");
dada25bd	323
c8afe684	324	#else
dada25bd RC	325	static const char *hpd_clk_names[] = {
	326	"core_clk", "master_iface_clk", "slave_iface_clk",
	327	};
c8afe684	328	if (cpu_is_apq8064()) {
dada25bd	329	static const char *hpd_reg_names[] = {"8921_hdmi_mvs"};
c8afe684	330	config.phy_init = hdmi_phy_8960_init;
dada25bd RC	331	config.mmio_name = "hdmi_msm_hdmi_addr";
	332	config.hpd_reg_names = hpd_reg_names;
	333	config.hpd_reg_cnt = ARRAY_SIZE(hpd_reg_names);
	334	config.hpd_clk_names = hpd_clk_names;
	335	config.hpd_clk_cnt = ARRAY_SIZE(hpd_clk_names);
c8afe684 RC	336	config.ddc_clk_gpio = 70;
	337	config.ddc_data_gpio = 71;
	338	config.hpd_gpio = 72;
dada25bd	339	config.mux_en_gpio = -1;
c0c0d9ee	340	config.mux_sel_gpio = -1;
e529c7e6	341	} else if (cpu_is_msm8960() \|\| cpu_is_msm8960ab()) {
dada25bd	342	static const char *hpd_reg_names[] = {"8921_hdmi_mvs"};
c8afe684	343	config.phy_init = hdmi_phy_8960_init;
dada25bd RC	344	config.mmio_name = "hdmi_msm_hdmi_addr";
	345	config.hpd_reg_names = hpd_reg_names;
	346	config.hpd_reg_cnt = ARRAY_SIZE(hpd_reg_names);
	347	config.hpd_clk_names = hpd_clk_names;
	348	config.hpd_clk_cnt = ARRAY_SIZE(hpd_clk_names);
c8afe684 RC	349	config.ddc_clk_gpio = 100;
	350	config.ddc_data_gpio = 101;
	351	config.hpd_gpio = 102;
dada25bd RC	352	config.mux_en_gpio = -1;
dada25bd RC	353	config.mux_sel_gpio = -1;
c8afe684	354	} else if (cpu_is_msm8x60()) {
dada25bd RC	355	static const char *hpd_reg_names[] = {
	356	"8901_hdmi_mvs", "8901_mpp0"
	357	};
c8afe684	358	config.phy_init = hdmi_phy_8x60_init;
dada25bd RC	359	config.mmio_name = "hdmi_msm_hdmi_addr";
	360	config.hpd_reg_names = hpd_reg_names;
	361	config.hpd_reg_cnt = ARRAY_SIZE(hpd_reg_names);
	362	config.hpd_clk_names = hpd_clk_names;
	363	config.hpd_clk_cnt = ARRAY_SIZE(hpd_clk_names);
c8afe684 RC	364	config.ddc_clk_gpio = 170;
	365	config.ddc_data_gpio = 171;
	366	config.hpd_gpio = 172;
dada25bd RC	367	config.mux_en_gpio = -1;
dada25bd RC	368	config.mux_sel_gpio = -1;
c8afe684 RC	369	}
c8afe684 RC	370	#endif
060530f1 RC	371	dev->platform_data = &config;
060530f1 RC	372	set_hdmi_pdev(dev_get_drvdata(master), to_platform_device(dev));
c8afe684 RC	373	return 0;
	374	}
	375
060530f1 RC	376	static void hdmi_unbind(struct device dev, struct device master,
	377	void *data)
	378	{
	379	set_hdmi_pdev(dev_get_drvdata(master), NULL);
	380	}
	381
	382	static const struct component_ops hdmi_ops = {
	383	.bind = hdmi_bind,
	384	.unbind = hdmi_unbind,
	385	};
	386
	387	static int hdmi_dev_probe(struct platform_device *pdev)
	388	{
	389	return component_add(&pdev->dev, &hdmi_ops);
	390	}
	391
c8afe684 RC	392	static int hdmi_dev_remove(struct platform_device *pdev)
c8afe684 RC	393	{
060530f1	394	component_del(&pdev->dev, &hdmi_ops);
c8afe684 RC	395	return 0;
	396	}
	397
dada25bd	398	static const struct of_device_id dt_match[] = {
41e69778 RC	399	{ .compatible = "qcom,hdmi-tx-8074" },
	400	{ .compatible = "qcom,hdmi-tx-8960" },
	401	{ .compatible = "qcom,hdmi-tx-8660" },
dada25bd RC	402	{}
dada25bd RC	403	};
dada25bd	404
c8afe684 RC	405	static struct platform_driver hdmi_driver = {
	406	.probe = hdmi_dev_probe,
	407	.remove = hdmi_dev_remove,
dada25bd RC	408	.driver = {
	409	.name = "hdmi_msm",
	410	.of_match_table = dt_match,
	411	},
c8afe684 RC	412	};
	413
	414	void __init hdmi_register(void)
	415	{
	416	platform_driver_register(&hdmi_driver);
	417	}
	418
	419	void __exit hdmi_unregister(void)
	420	{
	421	platform_driver_unregister(&hdmi_driver);
	422	}