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path: root/drivers/gpu/drm/sti/sti_hdmi.c
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Diffstat (limited to 'drivers/gpu/drm/sti/sti_hdmi.c')
-rw-r--r--drivers/gpu/drm/sti/sti_hdmi.c191
1 files changed, 104 insertions, 87 deletions
diff --git a/drivers/gpu/drm/sti/sti_hdmi.c b/drivers/gpu/drm/sti/sti_hdmi.c
index ccf718404a1c..f8222e60b1e0 100644
--- a/drivers/gpu/drm/sti/sti_hdmi.c
+++ b/drivers/gpu/drm/sti/sti_hdmi.c
@@ -8,15 +8,20 @@
#include <linux/component.h>
#include <linux/debugfs.h>
#include <linux/hdmi.h>
+#include <linux/i2c.h>
#include <linux/module.h>
-#include <linux/of_gpio.h>
+#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/reset.h>
-#include <drm/drmP.h>
#include <drm/drm_atomic_helper.h>
-#include <drm/drm_crtc_helper.h>
+#include <drm/drm_bridge.h>
+#include <drm/drm_debugfs.h>
+#include <drm/drm_drv.h>
#include <drm/drm_edid.h>
+#include <drm/drm_file.h>
+#include <drm/drm_print.h>
+#include <drm/drm_probe_helper.h>
#include <sound/hdmi-codec.h>
@@ -163,6 +168,17 @@ struct sti_hdmi_connector {
#define to_sti_hdmi_connector(x) \
container_of(x, struct sti_hdmi_connector, drm_connector)
+static struct sti_hdmi *drm_bridge_to_sti_hdmi(struct drm_bridge *bridge)
+{
+ return container_of(bridge, struct sti_hdmi, bridge);
+}
+
+static const struct drm_prop_enum_list colorspace_mode_names[] = {
+ { HDMI_COLORSPACE_RGB, "rgb" },
+ { HDMI_COLORSPACE_YUV422, "yuv422" },
+ { HDMI_COLORSPACE_YUV444, "yuv444" },
+};
+
u32 hdmi_read(struct sti_hdmi *hdmi, int offset)
{
return readl(hdmi->regs + offset);
@@ -173,7 +189,7 @@ void hdmi_write(struct sti_hdmi *hdmi, u32 val, int offset)
writel(val, hdmi->regs + offset);
}
-/**
+/*
* HDMI interrupt handler threaded
*
* @irq: irq number
@@ -205,7 +221,7 @@ static irqreturn_t hdmi_irq_thread(int irq, void *arg)
return IRQ_HANDLED;
}
-/**
+/*
* HDMI interrupt handler
*
* @irq: irq number
@@ -227,7 +243,7 @@ static irqreturn_t hdmi_irq(int irq, void *arg)
return IRQ_WAKE_THREAD;
}
-/**
+/*
* Set hdmi active area depending on the drm display mode selected
*
* @hdmi: pointer on the hdmi internal structure
@@ -248,13 +264,14 @@ static void hdmi_active_area(struct sti_hdmi *hdmi)
hdmi_write(hdmi, ymax, HDMI_ACTIVE_VID_YMAX);
}
-/**
+/*
* Overall hdmi configuration
*
* @hdmi: pointer on the hdmi internal structure
*/
static void hdmi_config(struct sti_hdmi *hdmi)
{
+ struct drm_connector *connector = hdmi->drm_connector;
u32 conf;
DRM_DEBUG_DRIVER("\n");
@@ -264,7 +281,7 @@ static void hdmi_config(struct sti_hdmi *hdmi)
/* Select encryption type and the framing mode */
conf |= HDMI_CFG_ESS_NOT_OESS;
- if (hdmi->hdmi_monitor)
+ if (connector->display_info.is_hdmi)
conf |= HDMI_CFG_HDMI_NOT_DVI;
/* Set Hsync polarity */
@@ -326,11 +343,10 @@ static void hdmi_infoframe_reset(struct sti_hdmi *hdmi,
hdmi_write(hdmi, 0x0, pack_offset + i);
}
-/**
+/*
* Helper to concatenate infoframe in 32 bits word
*
* @ptr: pointer on the hdmi internal structure
- * @data: infoframe to write
* @size: size to write
*/
static inline unsigned int hdmi_infoframe_subpack(const u8 *ptr, size_t size)
@@ -344,7 +360,7 @@ static inline unsigned int hdmi_infoframe_subpack(const u8 *ptr, size_t size)
return value;
}
-/**
+/*
* Helper to write info frame
*
* @hdmi: pointer on the hdmi internal structure
@@ -414,7 +430,7 @@ static void hdmi_infoframe_write_infopack(struct sti_hdmi *hdmi,
hdmi_write(hdmi, val, HDMI_SW_DI_CFG);
}
-/**
+/*
* Prepare and configure the AVI infoframe
*
* AVI infoframe are transmitted at least once per two video field and
@@ -434,7 +450,8 @@ static int hdmi_avi_infoframe_config(struct sti_hdmi *hdmi)
DRM_DEBUG_DRIVER("\n");
- ret = drm_hdmi_avi_infoframe_from_display_mode(&infoframe, mode, false);
+ ret = drm_hdmi_avi_infoframe_from_display_mode(&infoframe,
+ hdmi->drm_connector, mode);
if (ret < 0) {
DRM_ERROR("failed to setup AVI infoframe: %d\n", ret);
return ret;
@@ -456,7 +473,7 @@ static int hdmi_avi_infoframe_config(struct sti_hdmi *hdmi)
return 0;
}
-/**
+/*
* Prepare and configure the AUDIO infoframe
*
* AUDIO infoframe are transmitted once per frame and
@@ -539,13 +556,14 @@ static int hdmi_vendor_infoframe_config(struct sti_hdmi *hdmi)
return 0;
}
-/**
+#define HDMI_TIMEOUT_SWRESET 100 /*milliseconds */
+
+/*
* Software reset of the hdmi subsystem
*
* @hdmi: pointer on the hdmi internal structure
*
*/
-#define HDMI_TIMEOUT_SWRESET 100 /*milliseconds */
static void hdmi_swreset(struct sti_hdmi *hdmi)
{
u32 val;
@@ -722,21 +740,21 @@ static struct drm_info_list hdmi_debugfs_files[] = {
{ "hdmi", hdmi_dbg_show, 0, NULL },
};
-static int hdmi_debugfs_init(struct sti_hdmi *hdmi, struct drm_minor *minor)
+static void hdmi_debugfs_init(struct sti_hdmi *hdmi, struct drm_minor *minor)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(hdmi_debugfs_files); i++)
hdmi_debugfs_files[i].data = hdmi;
- return drm_debugfs_create_files(hdmi_debugfs_files,
- ARRAY_SIZE(hdmi_debugfs_files),
- minor->debugfs_root, minor);
+ drm_debugfs_create_files(hdmi_debugfs_files,
+ ARRAY_SIZE(hdmi_debugfs_files),
+ minor->debugfs_root, minor);
}
static void sti_hdmi_disable(struct drm_bridge *bridge)
{
- struct sti_hdmi *hdmi = bridge->driver_private;
+ struct sti_hdmi *hdmi = drm_bridge_to_sti_hdmi(bridge);
u32 val = hdmi_read(hdmi, HDMI_CFG);
@@ -774,7 +792,7 @@ static void sti_hdmi_disable(struct drm_bridge *bridge)
cec_notifier_set_phys_addr(hdmi->notifier, CEC_PHYS_ADDR_INVALID);
}
-/**
+/*
* sti_hdmi_audio_get_non_coherent_n() - get N parameter for non-coherent
* clocks. None-coherent clocks means that audio and TMDS clocks have not the
* same source (drifts between clocks). In this case assumption is that CTS is
@@ -845,10 +863,13 @@ static int hdmi_audio_configure(struct sti_hdmi *hdmi)
switch (info->channels) {
case 8:
audio_cfg |= HDMI_AUD_CFG_CH78_VALID;
+ fallthrough;
case 6:
audio_cfg |= HDMI_AUD_CFG_CH56_VALID;
+ fallthrough;
case 4:
audio_cfg |= HDMI_AUD_CFG_CH34_VALID | HDMI_AUD_CFG_8CH;
+ fallthrough;
case 2:
audio_cfg |= HDMI_AUD_CFG_CH12_VALID;
break;
@@ -865,7 +886,7 @@ static int hdmi_audio_configure(struct sti_hdmi *hdmi)
static void sti_hdmi_pre_enable(struct drm_bridge *bridge)
{
- struct sti_hdmi *hdmi = bridge->driver_private;
+ struct sti_hdmi *hdmi = drm_bridge_to_sti_hdmi(bridge);
DRM_DEBUG_DRIVER("\n");
@@ -878,7 +899,7 @@ static void sti_hdmi_pre_enable(struct drm_bridge *bridge)
if (clk_prepare_enable(hdmi->clk_tmds))
DRM_ERROR("Failed to prepare/enable hdmi_tmds clk\n");
if (clk_prepare_enable(hdmi->clk_phy))
- DRM_ERROR("Failed to prepare/enable hdmi_rejec_pll clk\n");
+ DRM_ERROR("Failed to prepare/enable hdmi_rejection_pll clk\n");
hdmi->enabled = true;
@@ -917,16 +938,16 @@ static void sti_hdmi_pre_enable(struct drm_bridge *bridge)
}
static void sti_hdmi_set_mode(struct drm_bridge *bridge,
- struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
+ const struct drm_display_mode *mode,
+ const struct drm_display_mode *adjusted_mode)
{
- struct sti_hdmi *hdmi = bridge->driver_private;
+ struct sti_hdmi *hdmi = drm_bridge_to_sti_hdmi(bridge);
int ret;
DRM_DEBUG_DRIVER("\n");
/* Copy the drm display mode in the connector local structure */
- memcpy(&hdmi->mode, mode, sizeof(struct drm_display_mode));
+ drm_mode_copy(&hdmi->mode, mode);
/* Update clock framerate according to the selected mode */
ret = clk_set_rate(hdmi->clk_pix, mode->clock * 1000);
@@ -958,28 +979,32 @@ static const struct drm_bridge_funcs sti_hdmi_bridge_funcs = {
static int sti_hdmi_connector_get_modes(struct drm_connector *connector)
{
+ const struct drm_display_info *info = &connector->display_info;
struct sti_hdmi_connector *hdmi_connector
= to_sti_hdmi_connector(connector);
struct sti_hdmi *hdmi = hdmi_connector->hdmi;
- struct edid *edid;
+ const struct drm_edid *drm_edid;
int count;
DRM_DEBUG_DRIVER("\n");
- edid = drm_get_edid(connector, hdmi->ddc_adapt);
- if (!edid)
+ drm_edid = drm_edid_read(connector);
+
+ drm_edid_connector_update(connector, drm_edid);
+
+ cec_notifier_set_phys_addr(hdmi->notifier,
+ connector->display_info.source_physical_address);
+
+ if (!drm_edid)
goto fail;
- hdmi->hdmi_monitor = drm_detect_hdmi_monitor(edid);
- DRM_DEBUG_KMS("%s : %dx%d cm\n",
- (hdmi->hdmi_monitor ? "hdmi monitor" : "dvi monitor"),
- edid->width_cm, edid->height_cm);
- cec_notifier_set_phys_addr_from_edid(hdmi->notifier, edid);
+ count = drm_edid_connector_add_modes(connector);
- count = drm_add_edid_modes(connector, edid);
- drm_connector_update_edid_property(connector, edid);
+ DRM_DEBUG_KMS("%s : %dx%d cm\n",
+ info->is_hdmi ? "hdmi monitor" : "dvi monitor",
+ info->width_mm / 10, info->height_mm / 10);
- kfree(edid);
+ drm_edid_free(drm_edid);
return count;
fail:
@@ -989,8 +1014,9 @@ fail:
#define CLK_TOLERANCE_HZ 50
-static int sti_hdmi_connector_mode_valid(struct drm_connector *connector,
- struct drm_display_mode *mode)
+static enum drm_mode_status
+sti_hdmi_connector_mode_valid(struct drm_connector *connector,
+ const struct drm_display_mode *mode)
{
int target = mode->clock * 1000;
int target_min = target - CLK_TOLERANCE_HZ;
@@ -1105,10 +1131,7 @@ static int sti_hdmi_late_register(struct drm_connector *connector)
= to_sti_hdmi_connector(connector);
struct sti_hdmi *hdmi = hdmi_connector->hdmi;
- if (hdmi_debugfs_init(hdmi, hdmi->drm_dev->primary)) {
- DRM_ERROR("HDMI debugfs setup failed\n");
- return -EINVAL;
- }
+ hdmi_debugfs_init(hdmi, hdmi->drm_dev->primary);
return 0;
}
@@ -1164,12 +1187,12 @@ static int hdmi_audio_hw_params(struct device *dev,
DRM_DEBUG_DRIVER("\n");
if ((daifmt->fmt != HDMI_I2S) || daifmt->bit_clk_inv ||
- daifmt->frame_clk_inv || daifmt->bit_clk_master ||
- daifmt->frame_clk_master) {
+ daifmt->frame_clk_inv || daifmt->bit_clk_provider ||
+ daifmt->frame_clk_provider) {
dev_err(dev, "%s: Bad flags %d %d %d %d\n", __func__,
daifmt->bit_clk_inv, daifmt->frame_clk_inv,
- daifmt->bit_clk_master,
- daifmt->frame_clk_master);
+ daifmt->bit_clk_provider,
+ daifmt->frame_clk_provider);
return -EINVAL;
}
@@ -1186,7 +1209,8 @@ static int hdmi_audio_hw_params(struct device *dev,
return 0;
}
-static int hdmi_audio_digital_mute(struct device *dev, void *data, bool enable)
+static int hdmi_audio_mute(struct device *dev, void *data,
+ bool enable, int direction)
{
struct sti_hdmi *hdmi = dev_get_drvdata(dev);
@@ -1206,7 +1230,9 @@ static int hdmi_audio_get_eld(struct device *dev, void *data, uint8_t *buf, size
struct drm_connector *connector = hdmi->drm_connector;
DRM_DEBUG_DRIVER("\n");
+ mutex_lock(&connector->eld_mutex);
memcpy(buf, connector->eld, min(sizeof(connector->eld), len));
+ mutex_unlock(&connector->eld_mutex);
return 0;
}
@@ -1214,7 +1240,7 @@ static int hdmi_audio_get_eld(struct device *dev, void *data, uint8_t *buf, size
static const struct hdmi_codec_ops audio_codec_ops = {
.hw_params = hdmi_audio_hw_params,
.audio_shutdown = hdmi_audio_shutdown,
- .digital_mute = hdmi_audio_digital_mute,
+ .mute_stream = hdmi_audio_mute,
.get_eld = hdmi_audio_get_eld,
};
@@ -1225,6 +1251,7 @@ static int sti_hdmi_register_audio_driver(struct device *dev,
.ops = &audio_codec_ops,
.max_i2s_channels = 8,
.i2s = 1,
+ .no_capture_mute = 1,
};
DRM_DEBUG_DRIVER("\n");
@@ -1249,8 +1276,8 @@ static int sti_hdmi_bind(struct device *dev, struct device *master, void *data)
struct drm_device *drm_dev = data;
struct drm_encoder *encoder;
struct sti_hdmi_connector *connector;
+ struct cec_connector_info conn_info;
struct drm_connector *drm_connector;
- struct drm_bridge *bridge;
int err;
/* Set the drm device handle */
@@ -1266,13 +1293,7 @@ static int sti_hdmi_bind(struct device *dev, struct device *master, void *data)
connector->hdmi = hdmi;
- bridge = devm_kzalloc(dev, sizeof(*bridge), GFP_KERNEL);
- if (!bridge)
- return -EINVAL;
-
- bridge->driver_private = hdmi;
- bridge->funcs = &sti_hdmi_bridge_funcs;
- drm_bridge_attach(encoder, bridge, NULL);
+ drm_bridge_attach(encoder, &hdmi->bridge, NULL, 0);
connector->encoder = encoder;
@@ -1280,8 +1301,10 @@ static int sti_hdmi_bind(struct device *dev, struct device *master, void *data)
drm_connector->polled = DRM_CONNECTOR_POLL_HPD;
- drm_connector_init(drm_dev, drm_connector,
- &sti_hdmi_connector_funcs, DRM_MODE_CONNECTOR_HDMIA);
+ drm_connector_init_with_ddc(drm_dev, drm_connector,
+ &sti_hdmi_connector_funcs,
+ DRM_MODE_CONNECTOR_HDMIA,
+ hdmi->ddc_adapt);
drm_connector_helper_add(drm_connector,
&sti_hdmi_connector_helper_funcs);
@@ -1309,6 +1332,14 @@ static int sti_hdmi_bind(struct device *dev, struct device *master, void *data)
goto err_sysfs;
}
+ cec_fill_conn_info_from_drm(&conn_info, drm_connector);
+ hdmi->notifier = cec_notifier_conn_register(&hdmi->dev, NULL,
+ &conn_info);
+ if (!hdmi->notifier) {
+ hdmi->drm_connector = NULL;
+ return -ENOMEM;
+ }
+
/* Enable default interrupts */
hdmi_write(hdmi, HDMI_DEFAULT_INT, HDMI_INT_EN);
@@ -1322,6 +1353,9 @@ err_sysfs:
static void sti_hdmi_unbind(struct device *dev,
struct device *master, void *data)
{
+ struct sti_hdmi *hdmi = dev_get_drvdata(dev);
+
+ cec_notifier_conn_unregister(hdmi->notifier);
}
static const struct component_ops sti_hdmi_ops = {
@@ -1344,15 +1378,14 @@ static int sti_hdmi_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct sti_hdmi *hdmi;
struct device_node *np = dev->of_node;
- struct resource *res;
struct device_node *ddc;
int ret;
DRM_INFO("%s\n", __func__);
- hdmi = devm_kzalloc(dev, sizeof(*hdmi), GFP_KERNEL);
- if (!hdmi)
- return -ENOMEM;
+ hdmi = devm_drm_bridge_alloc(dev, struct sti_hdmi, bridge, &sti_hdmi_bridge_funcs);
+ if (IS_ERR(hdmi))
+ return PTR_ERR(hdmi);
ddc = of_parse_phandle(pdev->dev.of_node, "ddc", 0);
if (ddc) {
@@ -1363,17 +1396,9 @@ static int sti_hdmi_probe(struct platform_device *pdev)
}
hdmi->dev = pdev->dev;
-
- /* Get resources */
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "hdmi-reg");
- if (!res) {
- DRM_ERROR("Invalid hdmi resource\n");
- ret = -ENOMEM;
- goto release_adapter;
- }
- hdmi->regs = devm_ioremap_nocache(dev, res->start, resource_size(res));
- if (!hdmi->regs) {
- ret = -ENOMEM;
+ hdmi->regs = devm_platform_ioremap_resource_byname(pdev, "hdmi-reg");
+ if (IS_ERR(hdmi->regs)) {
+ ret = PTR_ERR(hdmi->regs);
goto release_adapter;
}
@@ -1427,10 +1452,6 @@ static int sti_hdmi_probe(struct platform_device *pdev)
goto release_adapter;
}
- hdmi->notifier = cec_notifier_get(&pdev->dev);
- if (!hdmi->notifier)
- goto release_adapter;
-
hdmi->reset = devm_reset_control_get(dev, "hdmi");
/* Take hdmi out of reset */
if (!IS_ERR(hdmi->reset))
@@ -1438,6 +1459,7 @@ static int sti_hdmi_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, hdmi);
+ drm_bridge_add(&hdmi->bridge);
return component_add(&pdev->dev, &sti_hdmi_ops);
release_adapter:
@@ -1446,25 +1468,20 @@ static int sti_hdmi_probe(struct platform_device *pdev)
return ret;
}
-static int sti_hdmi_remove(struct platform_device *pdev)
+static void sti_hdmi_remove(struct platform_device *pdev)
{
struct sti_hdmi *hdmi = dev_get_drvdata(&pdev->dev);
- cec_notifier_set_phys_addr(hdmi->notifier, CEC_PHYS_ADDR_INVALID);
-
i2c_put_adapter(hdmi->ddc_adapt);
if (hdmi->audio_pdev)
platform_device_unregister(hdmi->audio_pdev);
component_del(&pdev->dev, &sti_hdmi_ops);
-
- cec_notifier_put(hdmi->notifier);
- return 0;
+ drm_bridge_remove(&hdmi->bridge);
}
struct platform_driver sti_hdmi_driver = {
.driver = {
.name = "sti-hdmi",
- .owner = THIS_MODULE,
.of_match_table = hdmi_of_match,
},
.probe = sti_hdmi_probe,