From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/drivers/gpu/drm/mediatek/mtk_hdmi.c | 188 +++++++++++++++++++++++++++++++---------------
1 files changed, 127 insertions(+), 61 deletions(-)
diff --git a/kernel/drivers/gpu/drm/mediatek/mtk_hdmi.c b/kernel/drivers/gpu/drm/mediatek/mtk_hdmi.c
index 331fb0c..97a1ff5 100644
--- a/kernel/drivers/gpu/drm/mediatek/mtk_hdmi.c
+++ b/kernel/drivers/gpu/drm/mediatek/mtk_hdmi.c
@@ -1,21 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2014 MediaTek Inc.
* Author: Jie Qiu <jie.qiu@mediatek.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.
*/
-#include <drm/drmP.h>
-#include <drm/drm_atomic_helper.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_crtc_helper.h>
-#include <drm/drm_edid.h>
+
#include <linux/arm-smccc.h>
#include <linux/clk.h>
#include <linux/delay.h>
@@ -24,6 +12,8 @@
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/mfd/syscon.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
#include <linux/of_platform.h>
#include <linux/of.h>
#include <linux/of_gpio.h>
@@ -31,7 +21,16 @@
#include <linux/phy/phy.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
+
#include <sound/hdmi-codec.h>
+
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_bridge.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_edid.h>
+#include <drm/drm_print.h>
+#include <drm/drm_probe_helper.h>
+
#include "mtk_cec.h"
#include "mtk_hdmi.h"
#include "mtk_hdmi_regs.h"
@@ -147,11 +146,16 @@
struct hdmi_codec_params codec_params;
};
+struct mtk_hdmi_conf {
+ bool tz_disabled;
+};
+
struct mtk_hdmi {
struct drm_bridge bridge;
struct drm_bridge *next_bridge;
struct drm_connector conn;
struct device *dev;
+ const struct mtk_hdmi_conf *conf;
struct phy *phy;
struct device *cec_dev;
struct i2c_adapter *ddc_adpt;
@@ -172,6 +176,9 @@
bool audio_enable;
bool powered;
bool enabled;
+ hdmi_codec_plugged_cb plugged_cb;
+ struct device *codec_dev;
+ struct mutex update_plugged_status_lock;
};
static inline struct mtk_hdmi *hdmi_ctx_from_bridge(struct drm_bridge *b)
@@ -240,8 +247,13 @@
* The ARM trusted firmware provides an API for the HDMI driver to set
* this control bit to enable HDMI output in supervisor mode.
*/
- arm_smccc_smc(MTK_SIP_SET_AUTHORIZED_SECURE_REG, 0x14000904, 0x80000000,
- 0, 0, 0, 0, 0, &res);
+ if (hdmi->conf && hdmi->conf->tz_disabled)
+ regmap_update_bits(hdmi->sys_regmap,
+ hdmi->sys_offset + HDMI_SYS_CFG20,
+ 0x80008005, enable ? 0x80000005 : 0x8000);
+ else
+ arm_smccc_smc(MTK_SIP_SET_AUTHORIZED_SECURE_REG, 0x14000904,
+ 0x80000000, 0, 0, 0, 0, 0, &res);
regmap_update_bits(hdmi->sys_regmap, hdmi->sys_offset + HDMI_SYS_CFG20,
HDMI_PCLK_FREE_RUN, enable ? HDMI_PCLK_FREE_RUN : 0);
@@ -304,14 +316,10 @@
u8 checksum;
int ctrl_frame_en = 0;
- frame_type = *buffer;
- buffer += 1;
- frame_ver = *buffer;
- buffer += 1;
- frame_len = *buffer;
- buffer += 1;
- checksum = *buffer;
- buffer += 1;
+ frame_type = *buffer++;
+ frame_ver = *buffer++;
+ frame_len = *buffer++;
+ checksum = *buffer++;
frame_data = buffer;
dev_dbg(hdmi->dev,
@@ -335,6 +343,9 @@
ctrl_frame_en = VS_EN;
ctrl_reg = GRL_ACP_ISRC_CTRL;
break;
+ default:
+ dev_err(hdmi->dev, "Unknown infoframe type %d\n", frame_type);
+ return;
}
mtk_hdmi_clear_bits(hdmi, ctrl_reg, ctrl_frame_en);
mtk_hdmi_write(hdmi, GRL_INFOFRM_TYPE, frame_type);
@@ -972,10 +983,11 @@
struct drm_display_mode *mode)
{
struct hdmi_avi_infoframe frame;
- u8 buffer[17];
+ u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
ssize_t err;
- err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode, false);
+ err = drm_hdmi_avi_infoframe_from_display_mode(&frame,
+ &hdmi->conn, mode);
if (err < 0) {
dev_err(hdmi->dev,
"Failed to get AVI infoframe from mode: %zd\n", err);
@@ -997,7 +1009,7 @@
const char *product)
{
struct hdmi_spd_infoframe frame;
- u8 buffer[29];
+ u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_SPD_INFOFRAME_SIZE];
ssize_t err;
err = hdmi_spd_infoframe_init(&frame, vendor, product);
@@ -1020,7 +1032,7 @@
static int mtk_hdmi_setup_audio_infoframe(struct mtk_hdmi *hdmi)
{
struct hdmi_audio_infoframe frame;
- u8 buffer[14];
+ u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AUDIO_INFOFRAME_SIZE];
ssize_t err;
err = hdmi_audio_infoframe_init(&frame);
@@ -1187,13 +1199,26 @@
clk_disable_unprepare(hdmi->clk[MTK_HDMI_CLK_AUD_SPDIF]);
}
+static enum drm_connector_status
+mtk_hdmi_update_plugged_status(struct mtk_hdmi *hdmi)
+{
+ bool connected;
+
+ mutex_lock(&hdmi->update_plugged_status_lock);
+ connected = mtk_cec_hpd_high(hdmi->cec_dev);
+ if (hdmi->plugged_cb && hdmi->codec_dev)
+ hdmi->plugged_cb(hdmi->codec_dev, connected);
+ mutex_unlock(&hdmi->update_plugged_status_lock);
+
+ return connected ?
+ connector_status_connected : connector_status_disconnected;
+}
+
static enum drm_connector_status hdmi_conn_detect(struct drm_connector *conn,
bool force)
{
struct mtk_hdmi *hdmi = hdmi_ctx_from_conn(conn);
-
- return mtk_cec_hpd_high(hdmi->cec_dev) ?
- connector_status_connected : connector_status_disconnected;
+ return mtk_hdmi_update_plugged_status(hdmi);
}
static void hdmi_conn_destroy(struct drm_connector *conn)
@@ -1231,17 +1256,19 @@
struct drm_display_mode *mode)
{
struct mtk_hdmi *hdmi = hdmi_ctx_from_conn(conn);
+ struct drm_bridge *next_bridge;
dev_dbg(hdmi->dev, "xres=%d, yres=%d, refresh=%d, intl=%d clock=%d\n",
- mode->hdisplay, mode->vdisplay, mode->vrefresh,
+ mode->hdisplay, mode->vdisplay, drm_mode_vrefresh(mode),
!!(mode->flags & DRM_MODE_FLAG_INTERLACE), mode->clock * 1000);
- if (hdmi->bridge.next) {
+ next_bridge = drm_bridge_get_next_bridge(&hdmi->bridge);
+ if (next_bridge) {
struct drm_display_mode adjusted_mode;
drm_mode_copy(&adjusted_mode, mode);
- if (!drm_bridge_mode_fixup(hdmi->bridge.next, mode,
- &adjusted_mode))
+ if (!drm_bridge_chain_mode_fixup(next_bridge, mode,
+ &adjusted_mode))
return MODE_BAD;
}
@@ -1288,14 +1315,21 @@
* Bridge callbacks
*/
-static int mtk_hdmi_bridge_attach(struct drm_bridge *bridge)
+static int mtk_hdmi_bridge_attach(struct drm_bridge *bridge,
+ enum drm_bridge_attach_flags flags)
{
struct mtk_hdmi *hdmi = hdmi_ctx_from_bridge(bridge);
int ret;
- ret = drm_connector_init(bridge->encoder->dev, &hdmi->conn,
- &mtk_hdmi_connector_funcs,
- DRM_MODE_CONNECTOR_HDMIA);
+ if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR) {
+ DRM_ERROR("Fix bridge driver to make connector optional!");
+ return -EINVAL;
+ }
+
+ ret = drm_connector_init_with_ddc(bridge->encoder->dev, &hdmi->conn,
+ &mtk_hdmi_connector_funcs,
+ DRM_MODE_CONNECTOR_HDMIA,
+ hdmi->ddc_adpt);
if (ret) {
dev_err(hdmi->dev, "Failed to initialize connector: %d\n", ret);
return ret;
@@ -1316,7 +1350,7 @@
if (hdmi->next_bridge) {
ret = drm_bridge_attach(bridge->encoder, hdmi->next_bridge,
- bridge);
+ bridge, flags);
if (ret) {
dev_err(hdmi->dev,
"Failed to attach external bridge: %d\n", ret);
@@ -1364,8 +1398,8 @@
}
static void mtk_hdmi_bridge_mode_set(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 mtk_hdmi *hdmi = hdmi_ctx_from_bridge(bridge);
@@ -1441,7 +1475,9 @@
ret = mtk_hdmi_get_all_clk(hdmi, np);
if (ret) {
- dev_err(dev, "Failed to get clocks: %d\n", ret);
+ if (ret != -EPROBE_DEFER)
+ dev_err(dev, "Failed to get clocks: %d\n", ret);
+
return ret;
}
@@ -1586,6 +1622,11 @@
hdmi_params.aud_i2s_fmt = HDMI_I2S_MODE_I2S_24BIT;
hdmi_params.aud_mclk = HDMI_AUD_MCLK_128FS;
break;
+ case HDMI_SPDIF:
+ hdmi_params.aud_codec = HDMI_AUDIO_CODING_TYPE_PCM;
+ hdmi_params.aud_sampe_size = HDMI_AUDIO_SAMPLE_SIZE_16;
+ hdmi_params.aud_input_type = HDMI_AUD_INPUT_SPDIF;
+ break;
default:
dev_err(hdmi->dev, "%s: Invalid DAI format %d\n", __func__,
daifmt->fmt);
@@ -1604,8 +1645,6 @@
{
struct mtk_hdmi *hdmi = dev_get_drvdata(dev);
- dev_dbg(dev, "%s\n", __func__);
-
mtk_hdmi_audio_enable(hdmi);
return 0;
@@ -1615,17 +1654,14 @@
{
struct mtk_hdmi *hdmi = dev_get_drvdata(dev);
- dev_dbg(dev, "%s\n", __func__);
-
mtk_hdmi_audio_disable(hdmi);
}
static int
-mtk_hdmi_audio_digital_mute(struct device *dev, void *data, bool enable)
+mtk_hdmi_audio_mute(struct device *dev, void *data,
+ bool enable, int direction)
{
struct mtk_hdmi *hdmi = dev_get_drvdata(dev);
-
- dev_dbg(dev, "%s(%d)\n", __func__, enable);
if (enable)
mtk_hdmi_hw_aud_mute(hdmi);
@@ -1639,9 +1675,23 @@
{
struct mtk_hdmi *hdmi = dev_get_drvdata(dev);
- dev_dbg(dev, "%s\n", __func__);
-
memcpy(buf, hdmi->conn.eld, min(sizeof(hdmi->conn.eld), len));
+
+ return 0;
+}
+
+static int mtk_hdmi_audio_hook_plugged_cb(struct device *dev, void *data,
+ hdmi_codec_plugged_cb fn,
+ struct device *codec_dev)
+{
+ struct mtk_hdmi *hdmi = data;
+
+ mutex_lock(&hdmi->update_plugged_status_lock);
+ hdmi->plugged_cb = fn;
+ hdmi->codec_dev = codec_dev;
+ mutex_unlock(&hdmi->update_plugged_status_lock);
+
+ mtk_hdmi_update_plugged_status(hdmi);
return 0;
}
@@ -1650,16 +1700,20 @@
.hw_params = mtk_hdmi_audio_hw_params,
.audio_startup = mtk_hdmi_audio_startup,
.audio_shutdown = mtk_hdmi_audio_shutdown,
- .digital_mute = mtk_hdmi_audio_digital_mute,
+ .mute_stream = mtk_hdmi_audio_mute,
.get_eld = mtk_hdmi_audio_get_eld,
+ .hook_plugged_cb = mtk_hdmi_audio_hook_plugged_cb,
+ .no_capture_mute = 1,
};
-static void mtk_hdmi_register_audio_driver(struct device *dev)
+static int mtk_hdmi_register_audio_driver(struct device *dev)
{
+ struct mtk_hdmi *hdmi = dev_get_drvdata(dev);
struct hdmi_codec_pdata codec_data = {
.ops = &mtk_hdmi_audio_codec_ops,
.max_i2s_channels = 2,
.i2s = 1,
+ .data = hdmi,
};
struct platform_device *pdev;
@@ -1667,9 +1721,10 @@
PLATFORM_DEVID_AUTO, &codec_data,
sizeof(codec_data));
if (IS_ERR(pdev))
- return;
+ return PTR_ERR(pdev);
DRM_INFO("%s driver bound to HDMI\n", HDMI_CODEC_DRV_NAME);
+ return 0;
}
static int mtk_drm_hdmi_probe(struct platform_device *pdev)
@@ -1683,6 +1738,7 @@
return -ENOMEM;
hdmi->dev = dev;
+ hdmi->conf = of_device_get_match_data(dev);
ret = mtk_hdmi_dt_parse_pdata(hdmi, pdev);
if (ret)
@@ -1695,6 +1751,7 @@
return ret;
}
+ mutex_init(&hdmi->update_plugged_status_lock);
platform_set_drvdata(pdev, hdmi);
ret = mtk_hdmi_output_init(hdmi);
@@ -1703,7 +1760,11 @@
return ret;
}
- mtk_hdmi_register_audio_driver(dev);
+ ret = mtk_hdmi_register_audio_driver(dev);
+ if (ret) {
+ dev_err(dev, "Failed to register audio driver: %d\n", ret);
+ return ret;
+ }
hdmi->bridge.funcs = &mtk_hdmi_bridge_funcs;
hdmi->bridge.of_node = pdev->dev.of_node;
@@ -1715,7 +1776,6 @@
goto err_bridge_remove;
}
- dev_dbg(dev, "mediatek hdmi probe success\n");
return 0;
err_bridge_remove:
@@ -1738,7 +1798,7 @@
struct mtk_hdmi *hdmi = dev_get_drvdata(dev);
mtk_hdmi_clk_disable_audio(hdmi);
- dev_dbg(dev, "hdmi suspend success!\n");
+
return 0;
}
@@ -1753,15 +1813,22 @@
return ret;
}
- dev_dbg(dev, "hdmi resume success!\n");
return 0;
}
#endif
static SIMPLE_DEV_PM_OPS(mtk_hdmi_pm_ops,
mtk_hdmi_suspend, mtk_hdmi_resume);
+static const struct mtk_hdmi_conf mtk_hdmi_conf_mt2701 = {
+ .tz_disabled = true,
+};
+
static const struct of_device_id mtk_drm_hdmi_of_ids[] = {
- { .compatible = "mediatek,mt8173-hdmi", },
+ { .compatible = "mediatek,mt2701-hdmi",
+ .data = &mtk_hdmi_conf_mt2701,
+ },
+ { .compatible = "mediatek,mt8173-hdmi",
+ },
{}
};
@@ -1776,7 +1843,6 @@
};
static struct platform_driver * const mtk_hdmi_drivers[] = {
- &mtk_hdmi_phy_driver,
&mtk_hdmi_ddc_driver,
&mtk_cec_driver,
&mtk_hdmi_driver,
--
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