From e636c8d336489bf3eed5878299e6cc045bbad077 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:17:29 +0000
Subject: [PATCH] debug lk
---
kernel/drivers/gpu/drm/rockchip/inno_hdmi.c | 284 +++++++++++++++++++++++++++++++++++++++++++++++++-------
1 files changed, 249 insertions(+), 35 deletions(-)
diff --git a/kernel/drivers/gpu/drm/rockchip/inno_hdmi.c b/kernel/drivers/gpu/drm/rockchip/inno_hdmi.c
index 87eebd7..c74e036 100644
--- a/kernel/drivers/gpu/drm/rockchip/inno_hdmi.c
+++ b/kernel/drivers/gpu/drm/rockchip/inno_hdmi.c
@@ -1,16 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
* Zheng Yang <zhengyang@rock-chips.com>
* Yakir Yang <ykk@rock-chips.com>
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * 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 <linux/irq.h>
@@ -23,11 +15,13 @@
#include <linux/mutex.h>
#include <linux/of_device.h>
-#include <drm/drm_of.h>
-#include <drm/drmP.h>
#include <drm/drm_atomic_helper.h>
-#include <drm/drm_crtc_helper.h>
#include <drm/drm_edid.h>
+#include <drm/drm_of.h>
+#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
+
+#include <sound/hdmi-codec.h>
#include "rockchip_drm_drv.h"
#include "rockchip_drm_vop.h"
@@ -35,6 +29,12 @@
#include "inno_hdmi.h"
#define to_inno_hdmi(x) container_of(x, struct inno_hdmi, x)
+
+struct audio_info {
+ int sample_rate;
+ int channels;
+ int sample_width;
+};
struct hdmi_data_info {
int vic;
@@ -87,6 +87,8 @@
struct i2c_adapter *ddc;
unsigned int tmds_rate;
+ struct platform_device *audio_pdev;
+ bool audio_enable;
const struct inno_hdmi_plat_data *plat_data;
struct hdmi_data_info hdmi_data;
@@ -315,13 +317,30 @@
m_PACKET_VSI_EN, v_PACKET_VSI_EN(0), v_PACKET_VSI_EN(1));
}
+static int inno_hdmi_config_audio_aai(struct inno_hdmi *hdmi,
+ struct audio_info *audio)
+{
+ struct hdmi_audio_infoframe *faudio;
+ union hdmi_infoframe frame;
+ int rc;
+
+ rc = hdmi_audio_infoframe_init(&frame.audio);
+ faudio = (struct hdmi_audio_infoframe *)&frame;
+
+ faudio->channels = audio->channels;
+
+ return inno_hdmi_upload_frame(hdmi, rc, &frame, INFOFRAME_AAI, 0, 0, 0);
+}
+
static int inno_hdmi_config_video_avi(struct inno_hdmi *hdmi,
struct drm_display_mode *mode)
{
union hdmi_infoframe frame;
int rc;
- rc = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi, mode, false);
+ rc = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi,
+ &hdmi->connector,
+ mode);
if (hdmi->hdmi_data.enc_out_format == HDMI_COLORSPACE_YUV444)
frame.avi.colorspace = HDMI_COLORSPACE_YUV444;
@@ -511,8 +530,9 @@
inno_hdmi_i2c_init(hdmi);
/* Unmute video and audio output */
- hdmi_modb(hdmi, HDMI_AV_MUTE, m_AUDIO_MUTE | m_VIDEO_BLACK,
- v_AUDIO_MUTE(0) | v_VIDEO_MUTE(0));
+ hdmi_modb(hdmi, HDMI_AV_MUTE, m_VIDEO_BLACK, v_VIDEO_MUTE(0));
+ if (hdmi->audio_enable)
+ hdmi_modb(hdmi, HDMI_AV_MUTE, m_AUDIO_MUTE, v_AUDIO_MUTE(0));
return 0;
}
@@ -526,7 +546,7 @@
inno_hdmi_setup(hdmi, adj_mode);
/* Store the display mode for plugin/DPMS poweron events */
- memcpy(&hdmi->previous_mode, adj_mode, sizeof(hdmi->previous_mode));
+ drm_mode_copy(&hdmi->previous_mode, adj_mode);
}
static void inno_hdmi_encoder_enable(struct drm_encoder *encoder)
@@ -571,10 +591,6 @@
.atomic_check = inno_hdmi_encoder_atomic_check,
};
-static struct drm_encoder_funcs inno_hdmi_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
static enum drm_connector_status
inno_hdmi_connector_detect(struct drm_connector *connector, bool force)
{
@@ -588,7 +604,6 @@
{
struct inno_hdmi *hdmi = to_inno_hdmi(connector);
struct edid *edid;
- struct drm_display_info *info = &connector->display_info;
int ret = 0;
if (!hdmi->ddc)
@@ -601,15 +616,6 @@
drm_connector_update_edid_property(connector, edid);
ret = drm_add_edid_modes(connector, edid);
kfree(edid);
- } else {
- hdmi->hdmi_data.sink_is_hdmi = true;
- hdmi->hdmi_data.sink_has_audio = true;
- ret = rockchip_drm_add_modes_noedid(connector);
- info->edid_hdmi_dc_modes = 0;
- info->hdmi.y420_dc_modes = 0;
- info->color_formats = 0;
-
- dev_info(hdmi->dev, "failed to get edid\n");
}
return ret;
@@ -649,12 +655,218 @@
.mode_valid = inno_hdmi_connector_mode_valid,
};
+static int
+inno_hdmi_audio_config_set(struct inno_hdmi *hdmi,
+ struct hdmi_codec_daifmt *daifmt,
+ struct audio_info *audio)
+{
+ int rate, N, channel;
+
+ if (audio->channels < 3)
+ channel = I2S_CHANNEL_1_2;
+ else if (audio->channels < 5)
+ channel = I2S_CHANNEL_3_4;
+ else if (audio->channels < 7)
+ channel = I2S_CHANNEL_5_6;
+ else
+ channel = I2S_CHANNEL_7_8;
+
+ switch (audio->sample_rate) {
+ case 32000:
+ rate = AUDIO_32K;
+ N = N_32K;
+ break;
+ case 44100:
+ rate = AUDIO_441K;
+ N = N_441K;
+ break;
+ case 48000:
+ rate = AUDIO_48K;
+ N = N_48K;
+ break;
+ case 88200:
+ rate = AUDIO_882K;
+ N = N_882K;
+ break;
+ case 96000:
+ rate = AUDIO_96K;
+ N = N_96K;
+ break;
+ case 176400:
+ rate = AUDIO_1764K;
+ N = N_1764K;
+ break;
+ case 192000:
+ rate = AUDIO_192K;
+ N = N_192K;
+ break;
+ default:
+ dev_err(hdmi->dev, "[%s] not support such sample rate %d\n",
+ __func__, audio->sample_rate);
+ return -ENOENT;
+ }
+
+ if (daifmt->fmt == HDMI_SPDIF) {
+ /* set_audio source SPDIF */
+ hdmi_writeb(hdmi, HDMI_AUDIO_CTRL1, 0x09);
+ } else {
+ /* set_audio source I2S */
+ hdmi_writeb(hdmi, HDMI_AUDIO_CTRL1, 0x01);
+ }
+ hdmi_writeb(hdmi, AUDIO_SAMPLE_RATE, rate);
+ hdmi_writeb(hdmi, AUDIO_I2S_MODE, v_I2S_MODE(I2S_STANDARD) |
+ v_I2S_CHANNEL(channel));
+
+ hdmi_writeb(hdmi, AUDIO_I2S_MAP, 0x00);
+ hdmi_writeb(hdmi, AUDIO_I2S_SWAPS_SPDIF, rate);
+
+ /* Set N value */
+ hdmi_writeb(hdmi, AUDIO_N_H, (N >> 16) & 0x0F);
+ hdmi_writeb(hdmi, AUDIO_N_M, (N >> 8) & 0xFF);
+ hdmi_writeb(hdmi, AUDIO_N_L, N & 0xFF);
+
+ /* Set hdmi nlpcm mode to support hdmi bitstream */
+ hdmi_writeb(hdmi, HDMI_AUDIO_CHANNEL_STATUS, v_AUDIO_STATUS_NLPCM(0));
+
+ return inno_hdmi_config_audio_aai(hdmi, audio);
+}
+
+static int inno_hdmi_audio_prepare(struct device *dev, void *data,
+ struct hdmi_codec_daifmt *fmt,
+ struct hdmi_codec_params *hparms)
+{
+ struct inno_hdmi *hdmi = dev_get_drvdata(dev);
+
+ if (!hdmi->hdmi_data.sink_has_audio) {
+ dev_err(hdmi->dev, "Sink do not support audio!\n");
+ return -ENODEV;
+ }
+
+ hdmi->audio_enable = 0;
+ hdmi_modb(hdmi, HDMI_AV_MUTE, m_AUDIO_PD, v_AUDIO_PD(1));
+ return 0;
+}
+
+static int inno_hdmi_audio_hw_params(struct device *dev, void *d,
+ struct hdmi_codec_daifmt *daifmt,
+ struct hdmi_codec_params *params)
+{
+ struct inno_hdmi *hdmi = dev_get_drvdata(dev);
+ struct audio_info audio = {
+ .sample_width = params->sample_width,
+ .sample_rate = params->sample_rate,
+ .channels = params->channels,
+ };
+
+ if (!hdmi->hdmi_data.sink_has_audio) {
+ dev_err(hdmi->dev, "Sink do not support audio!\n");
+ return -ENODEV;
+ }
+
+ if (!hdmi->encoder.crtc)
+ return -ENODEV;
+
+ switch (daifmt->fmt) {
+ case HDMI_I2S:
+ break;
+ case HDMI_SPDIF:
+ break;
+ default:
+ dev_err(dev, "%s: Invalid format %d\n", __func__, daifmt->fmt);
+ return -EINVAL;
+ }
+
+ return inno_hdmi_audio_config_set(hdmi, daifmt, &audio);
+}
+
+static void inno_hdmi_audio_shutdown(struct device *dev, void *d)
+{
+ /* do nothing */
+}
+
+static int inno_hdmi_audio_mute(struct device *dev, void *data, bool mute, int direction)
+{
+ struct inno_hdmi *hdmi = dev_get_drvdata(dev);
+
+ if (!hdmi->hdmi_data.sink_has_audio) {
+ dev_err(hdmi->dev, "Sink do not support audio!\n");
+ return -ENODEV;
+ }
+
+ hdmi->audio_enable = !mute;
+
+ if (mute)
+ hdmi_modb(hdmi, HDMI_AV_MUTE, m_AUDIO_MUTE | m_AUDIO_PD,
+ v_AUDIO_MUTE(1) | v_AUDIO_PD(1));
+ else
+ hdmi_modb(hdmi, HDMI_AV_MUTE, m_AUDIO_MUTE | m_AUDIO_PD,
+ v_AUDIO_MUTE(0) | v_AUDIO_PD(0));
+
+ return 0;
+}
+
+static int inno_hdmi_audio_get_eld(struct device *dev, void *d,
+ uint8_t *buf, size_t len)
+{
+ struct inno_hdmi *hdmi = dev_get_drvdata(dev);
+ struct drm_mode_config *config = &hdmi->encoder.dev->mode_config;
+ struct drm_connector *connector;
+ int ret = -ENODEV;
+
+ mutex_lock(&config->mutex);
+ list_for_each_entry(connector, &config->connector_list, head) {
+ if (&hdmi->encoder == connector->encoder) {
+ memcpy(buf, connector->eld,
+ min(sizeof(connector->eld), len));
+ ret = 0;
+ }
+ }
+ mutex_unlock(&config->mutex);
+
+ return ret;
+}
+
+static const struct hdmi_codec_ops audio_codec_ops = {
+ .hw_params = inno_hdmi_audio_hw_params,
+ .prepare = inno_hdmi_audio_prepare,
+ .audio_shutdown = inno_hdmi_audio_shutdown,
+ .mute_stream = inno_hdmi_audio_mute,
+ .get_eld = inno_hdmi_audio_get_eld,
+};
+
+static int inno_hdmi_audio_codec_init(struct inno_hdmi *hdmi,
+ struct device *dev)
+{
+ const char *str = "i2s";
+ struct hdmi_codec_pdata codec_data = {
+ .i2s = 1,
+ .spdif = 0,
+ .ops = &audio_codec_ops,
+ .max_i2s_channels = 8,
+ };
+
+ if (device_property_read_string(dev, "rockchip,format", &str))
+ dev_warn(dev, "can not get rockchip,format\n");
+
+ if (strstr(str, "spdif")) {
+ codec_data.i2s = 0;
+ codec_data.spdif = 1;
+ }
+
+ hdmi->audio_enable = false;
+ hdmi->audio_pdev = platform_device_register_data(
+ dev, HDMI_CODEC_DRV_NAME, PLATFORM_DEVID_NONE,
+ &codec_data, sizeof(codec_data));
+
+ return PTR_ERR_OR_ZERO(hdmi->audio_pdev);
+}
+
static int inno_hdmi_register(struct drm_device *drm, struct inno_hdmi *hdmi)
{
struct drm_encoder *encoder = &hdmi->encoder;
struct device *dev = hdmi->dev;
- encoder->possible_crtcs = drm_of_find_possible_crtcs(drm, dev->of_node);
+ encoder->possible_crtcs = rockchip_drm_of_find_possible_crtcs(drm, dev->of_node);
/*
* If we failed to find the CRTC(s) which this encoder is
@@ -666,17 +878,19 @@
return -EPROBE_DEFER;
drm_encoder_helper_add(encoder, &inno_hdmi_encoder_helper_funcs);
- drm_encoder_init(drm, encoder, &inno_hdmi_encoder_funcs,
- DRM_MODE_ENCODER_TMDS, NULL);
+ drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TMDS);
hdmi->connector.polled = DRM_CONNECTOR_POLL_HPD;
drm_connector_helper_add(&hdmi->connector,
&inno_hdmi_connector_helper_funcs);
- drm_connector_init(drm, &hdmi->connector, &inno_hdmi_connector_funcs,
- DRM_MODE_CONNECTOR_HDMIA);
+ drm_connector_init_with_ddc(drm, &hdmi->connector,
+ &inno_hdmi_connector_funcs,
+ DRM_MODE_CONNECTOR_HDMIA,
+ hdmi->ddc);
drm_connector_attach_encoder(&hdmi->connector, encoder);
+ inno_hdmi_audio_codec_init(hdmi, dev);
return 0;
}
--
Gitblit v1.6.2