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path: root/drivers/gpu/drm/exynos/exynos_hdmi.c
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Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_hdmi.c')
-rw-r--r--drivers/gpu/drm/exynos/exynos_hdmi.c155
1 files changed, 84 insertions, 71 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 8e2c02fc66e8..48159d5d2214 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2011 Samsung Electronics Co.Ltd
* Authors:
@@ -6,46 +7,40 @@
* Joonyoung Shim <jy0922.shim@samsung.com>
*
* Based on drivers/media/video/s5p-tv/hdmi_drv.c
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
*/
-#include <drm/drmP.h>
-#include <drm/drm_atomic_helper.h>
-#include <drm/drm_edid.h>
-#include <drm/drm_probe_helper.h>
-
-#include "regs-hdmi.h"
-
-#include <linux/kernel.h>
-#include <linux/wait.h>
-#include <linux/i2c.h>
-#include <linux/platform_device.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/delay.h>
-#include <linux/pm_runtime.h>
+#include <drm/exynos_drm.h>
#include <linux/clk.h>
+#include <linux/component.h>
+#include <linux/delay.h>
#include <linux/gpio/consumer.h>
-#include <linux/regulator/consumer.h>
+#include <linux/hdmi.h>
+#include <linux/i2c.h>
+#include <linux/interrupt.h>
#include <linux/io.h>
+#include <linux/irq.h>
+#include <linux/kernel.h>
+#include <linux/mfd/syscon.h>
#include <linux/of_address.h>
#include <linux/of_device.h>
#include <linux/of_graph.h>
-#include <linux/hdmi.h>
-#include <linux/component.h>
-#include <linux/mfd/syscon.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
#include <linux/regmap.h>
-#include <sound/hdmi-codec.h>
-#include <drm/exynos_drm.h>
+#include <linux/regulator/consumer.h>
+#include <linux/wait.h>
+#include <sound/hdmi-codec.h>
#include <media/cec-notifier.h>
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_bridge.h>
+#include <drm/drm_edid.h>
+#include <drm/drm_print.h>
+#include <drm/drm_probe_helper.h>
+
#include "exynos_drm_crtc.h"
+#include "regs-hdmi.h"
#define HOTPLUG_DEBOUNCE_MS 1100
@@ -858,6 +853,10 @@ static enum drm_connector_status hdmi_detect(struct drm_connector *connector,
static void hdmi_connector_destroy(struct drm_connector *connector)
{
+ struct hdmi_context *hdata = connector_to_hdmi(connector);
+
+ cec_notifier_conn_unregister(hdata->notifier);
+
drm_connector_unregister(connector);
drm_connector_cleanup(connector);
}
@@ -885,9 +884,9 @@ static int hdmi_get_modes(struct drm_connector *connector)
return -ENODEV;
hdata->dvi_mode = !drm_detect_hdmi_monitor(edid);
- DRM_DEBUG_KMS("%s : width[%d] x height[%d]\n",
- (hdata->dvi_mode ? "dvi monitor" : "hdmi monitor"),
- edid->width_cm, edid->height_cm);
+ DRM_DEV_DEBUG_KMS(hdata->dev, "%s : width[%d] x height[%d]\n",
+ (hdata->dvi_mode ? "dvi monitor" : "hdmi monitor"),
+ edid->width_cm, edid->height_cm);
drm_connector_update_edid_property(connector, edid);
cec_notifier_set_phys_addr_from_edid(hdata->notifier, edid);
@@ -908,7 +907,8 @@ static int hdmi_find_phy_conf(struct hdmi_context *hdata, u32 pixel_clock)
if (confs->data[i].pixel_clock == pixel_clock)
return i;
- DRM_DEBUG_KMS("Could not find phy config for %d\n", pixel_clock);
+ DRM_DEV_DEBUG_KMS(hdata->dev, "Could not find phy config for %d\n",
+ pixel_clock);
return -EINVAL;
}
@@ -918,10 +918,11 @@ static int hdmi_mode_valid(struct drm_connector *connector,
struct hdmi_context *hdata = connector_to_hdmi(connector);
int ret;
- DRM_DEBUG_KMS("xres=%d, yres=%d, refresh=%d, intl=%d clock=%d\n",
- mode->hdisplay, mode->vdisplay, mode->vrefresh,
- (mode->flags & DRM_MODE_FLAG_INTERLACE) ? true :
- false, mode->clock * 1000);
+ DRM_DEV_DEBUG_KMS(hdata->dev,
+ "xres=%d, yres=%d, refresh=%d, intl=%d clock=%d\n",
+ mode->hdisplay, mode->vdisplay, mode->vrefresh,
+ (mode->flags & DRM_MODE_FLAG_INTERLACE) ? true :
+ false, mode->clock * 1000);
ret = hdmi_find_phy_conf(hdata, mode->clock * 1000);
if (ret < 0)
@@ -939,6 +940,7 @@ static int hdmi_create_connector(struct drm_encoder *encoder)
{
struct hdmi_context *hdata = encoder_to_hdmi(encoder);
struct drm_connector *connector = &hdata->connector;
+ struct cec_connector_info conn_info;
int ret;
connector->interlace_allowed = true;
@@ -947,7 +949,8 @@ static int hdmi_create_connector(struct drm_encoder *encoder)
ret = drm_connector_init(hdata->drm_dev, connector,
&hdmi_connector_funcs, DRM_MODE_CONNECTOR_HDMIA);
if (ret) {
- DRM_ERROR("Failed to initialize connector with drm\n");
+ DRM_DEV_ERROR(hdata->dev,
+ "Failed to initialize connector with drm\n");
return ret;
}
@@ -957,7 +960,16 @@ static int hdmi_create_connector(struct drm_encoder *encoder)
if (hdata->bridge) {
ret = drm_bridge_attach(encoder, hdata->bridge, NULL);
if (ret)
- DRM_ERROR("Failed to attach bridge\n");
+ DRM_DEV_ERROR(hdata->dev, "Failed to attach bridge\n");
+ }
+
+ cec_fill_conn_info_from_drm(&conn_info, connector);
+
+ hdata->notifier = cec_notifier_conn_register(hdata->dev, NULL,
+ &conn_info);
+ if (!hdata->notifier) {
+ ret = -ENOMEM;
+ DRM_DEV_ERROR(hdata->dev, "Failed to allocate CEC notifier\n");
}
return ret;
@@ -1002,8 +1014,10 @@ static bool hdmi_mode_fixup(struct drm_encoder *encoder,
DRM_INFO("desired mode doesn't exist so\n");
DRM_INFO("use the most suitable mode among modes.\n");
- DRM_DEBUG_KMS("Adjusted Mode: [%d]x[%d] [%d]Hz\n",
- m->hdisplay, m->vdisplay, m->vrefresh);
+ DRM_DEV_DEBUG_KMS(dev->dev,
+ "Adjusted Mode: [%d]x[%d] [%d]Hz\n",
+ m->hdisplay, m->vdisplay,
+ m->vrefresh);
drm_mode_copy(adjusted_mode, m);
break;
@@ -1169,13 +1183,15 @@ static void hdmiphy_wait_for_pll(struct hdmi_context *hdata)
u32 val = hdmi_reg_read(hdata, HDMI_PHY_STATUS);
if (val & HDMI_PHY_STATUS_READY) {
- DRM_DEBUG_KMS("PLL stabilized after %d tries\n", tries);
+ DRM_DEV_DEBUG_KMS(hdata->dev,
+ "PLL stabilized after %d tries\n",
+ tries);
return;
}
usleep_range(10, 20);
}
- DRM_ERROR("PLL could not reach steady state\n");
+ DRM_DEV_ERROR(hdata->dev, "PLL could not reach steady state\n");
}
static void hdmi_v13_mode_apply(struct hdmi_context *hdata)
@@ -1411,7 +1427,7 @@ static void hdmiphy_conf_apply(struct hdmi_context *hdata)
ret = hdmi_find_phy_conf(hdata, m->clock * 1000);
if (ret < 0) {
- DRM_ERROR("failed to find hdmiphy conf\n");
+ DRM_DEV_ERROR(hdata->dev, "failed to find hdmiphy conf\n");
return;
}
phy_conf = hdata->drv_data->phy_confs.data[ret].conf;
@@ -1423,7 +1439,7 @@ static void hdmiphy_conf_apply(struct hdmi_context *hdata)
hdmiphy_enable_mode_set(hdata, true);
ret = hdmiphy_reg_write_buf(hdata, 0, phy_conf, 32);
if (ret) {
- DRM_ERROR("failed to configure hdmiphy\n");
+ DRM_DEV_ERROR(hdata->dev, "failed to configure hdmiphy\n");
return;
}
hdmiphy_enable_mode_set(hdata, false);
@@ -1460,7 +1476,8 @@ static void hdmiphy_enable(struct hdmi_context *hdata)
pm_runtime_get_sync(hdata->dev);
if (regulator_bulk_enable(ARRAY_SIZE(supply), hdata->regul_bulk))
- DRM_DEBUG_KMS("failed to enable regulator bulk\n");
+ DRM_DEV_DEBUG_KMS(hdata->dev,
+ "failed to enable regulator bulk\n");
regmap_update_bits(hdata->pmureg, PMU_HDMI_PHY_CONTROL,
PMU_HDMI_PHY_ENABLE_BIT, 1);
@@ -1526,8 +1543,8 @@ static void hdmi_disable(struct drm_encoder *encoder)
*/
mutex_unlock(&hdata->mutex);
cancel_delayed_work(&hdata->hotplug_work);
- cec_notifier_set_phys_addr(hdata->notifier,
- CEC_PHYS_ADDR_INVALID);
+ if (hdata->notifier)
+ cec_notifier_phys_addr_invalidate(hdata->notifier);
return;
}
@@ -1734,7 +1751,7 @@ static int hdmi_bridge_init(struct hdmi_context *hdata)
np = of_graph_get_remote_port_parent(ep);
of_node_put(ep);
if (!np) {
- DRM_ERROR("failed to get remote port parent");
+ DRM_DEV_ERROR(dev, "failed to get remote port parent");
return -EINVAL;
}
@@ -1752,17 +1769,17 @@ static int hdmi_resources_init(struct hdmi_context *hdata)
struct device *dev = hdata->dev;
int i, ret;
- DRM_DEBUG_KMS("HDMI resource init\n");
+ DRM_DEV_DEBUG_KMS(dev, "HDMI resource init\n");
hdata->hpd_gpio = devm_gpiod_get(dev, "hpd", GPIOD_IN);
if (IS_ERR(hdata->hpd_gpio)) {
- DRM_ERROR("cannot get hpd gpio property\n");
+ DRM_DEV_ERROR(dev, "cannot get hpd gpio property\n");
return PTR_ERR(hdata->hpd_gpio);
}
hdata->irq = gpiod_to_irq(hdata->hpd_gpio);
if (hdata->irq < 0) {
- DRM_ERROR("failed to get GPIO irq\n");
+ DRM_DEV_ERROR(dev, "failed to get GPIO irq\n");
return hdata->irq;
}
@@ -1780,7 +1797,7 @@ static int hdmi_resources_init(struct hdmi_context *hdata)
ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(supply), hdata->regul_bulk);
if (ret) {
if (ret != -EPROBE_DEFER)
- DRM_ERROR("failed to get regulators\n");
+ DRM_DEV_ERROR(dev, "failed to get regulators\n");
return ret;
}
@@ -1792,7 +1809,8 @@ static int hdmi_resources_init(struct hdmi_context *hdata)
ret = regulator_enable(hdata->reg_hdmi_en);
if (ret) {
- DRM_ERROR("failed to enable hdmi-en regulator\n");
+ DRM_DEV_ERROR(dev,
+ "failed to enable hdmi-en regulator\n");
return ret;
}
}
@@ -1845,7 +1863,8 @@ static int hdmi_bind(struct device *dev, struct device *master, void *data)
ret = hdmi_create_connector(encoder);
if (ret) {
- DRM_ERROR("failed to create connector ret = %d\n", ret);
+ DRM_DEV_ERROR(dev, "failed to create connector ret = %d\n",
+ ret);
drm_encoder_cleanup(encoder);
return ret;
}
@@ -1875,7 +1894,8 @@ static int hdmi_get_ddc_adapter(struct hdmi_context *hdata)
np = of_parse_phandle(hdata->dev->of_node, "ddc", 0);
if (!np) {
- DRM_ERROR("Failed to find ddc node in device tree\n");
+ DRM_DEV_ERROR(hdata->dev,
+ "Failed to find ddc node in device tree\n");
return -ENODEV;
}
@@ -1902,7 +1922,8 @@ static int hdmi_get_phy_io(struct hdmi_context *hdata)
if (!np) {
np = of_parse_phandle(hdata->dev->of_node, "phy", 0);
if (!np) {
- DRM_ERROR("Failed to find hdmiphy node in device tree\n");
+ DRM_DEV_ERROR(hdata->dev,
+ "Failed to find hdmiphy node in device tree\n");
return -ENODEV;
}
}
@@ -1910,7 +1931,8 @@ static int hdmi_get_phy_io(struct hdmi_context *hdata)
if (hdata->drv_data->is_apb_phy) {
hdata->regs_hdmiphy = of_iomap(np, 0);
if (!hdata->regs_hdmiphy) {
- DRM_ERROR("failed to ioremap hdmi phy\n");
+ DRM_DEV_ERROR(hdata->dev,
+ "failed to ioremap hdmi phy\n");
ret = -ENOMEM;
goto out;
}
@@ -1951,7 +1973,7 @@ static int hdmi_probe(struct platform_device *pdev)
ret = hdmi_resources_init(hdata);
if (ret) {
if (ret != -EPROBE_DEFER)
- DRM_ERROR("hdmi_resources_init failed\n");
+ DRM_DEV_ERROR(dev, "hdmi_resources_init failed\n");
return ret;
}
@@ -1977,14 +1999,14 @@ static int hdmi_probe(struct platform_device *pdev)
IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
"hdmi", hdata);
if (ret) {
- DRM_ERROR("failed to register hdmi interrupt\n");
+ DRM_DEV_ERROR(dev, "failed to register hdmi interrupt\n");
goto err_hdmiphy;
}
hdata->pmureg = syscon_regmap_lookup_by_phandle(dev->of_node,
"samsung,syscon-phandle");
if (IS_ERR(hdata->pmureg)) {
- DRM_ERROR("syscon regmap lookup failed.\n");
+ DRM_DEV_ERROR(dev, "syscon regmap lookup failed.\n");
ret = -EPROBE_DEFER;
goto err_hdmiphy;
}
@@ -1993,18 +2015,12 @@ static int hdmi_probe(struct platform_device *pdev)
hdata->sysreg = syscon_regmap_lookup_by_phandle(dev->of_node,
"samsung,sysreg-phandle");
if (IS_ERR(hdata->sysreg)) {
- DRM_ERROR("sysreg regmap lookup failed.\n");
+ DRM_DEV_ERROR(dev, "sysreg regmap lookup failed.\n");
ret = -EPROBE_DEFER;
goto err_hdmiphy;
}
}
- hdata->notifier = cec_notifier_get(&pdev->dev);
- if (hdata->notifier == NULL) {
- ret = -ENOMEM;
- goto err_hdmiphy;
- }
-
pm_runtime_enable(dev);
audio_infoframe = &hdata->audio.infoframe;
@@ -2016,7 +2032,7 @@ static int hdmi_probe(struct platform_device *pdev)
ret = hdmi_register_audio_device(hdata);
if (ret)
- goto err_notifier_put;
+ goto err_rpm_disable;
ret = component_add(&pdev->dev, &hdmi_component_ops);
if (ret)
@@ -2027,8 +2043,7 @@ static int hdmi_probe(struct platform_device *pdev)
err_unregister_audio:
platform_device_unregister(hdata->audio.pdev);
-err_notifier_put:
- cec_notifier_put(hdata->notifier);
+err_rpm_disable:
pm_runtime_disable(dev);
err_hdmiphy:
@@ -2047,12 +2062,10 @@ static int hdmi_remove(struct platform_device *pdev)
struct hdmi_context *hdata = platform_get_drvdata(pdev);
cancel_delayed_work_sync(&hdata->hotplug_work);
- cec_notifier_set_phys_addr(hdata->notifier, CEC_PHYS_ADDR_INVALID);
component_del(&pdev->dev, &hdmi_component_ops);
platform_device_unregister(hdata->audio.pdev);
- cec_notifier_put(hdata->notifier);
pm_runtime_disable(&pdev->dev);
if (!IS_ERR(hdata->reg_hdmi_en))
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