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/bridge/adv7511/adv7511_drv.c | 272 ++++++++++++++++++++++++++++++++++++++----------------
1 files changed, 191 insertions(+), 81 deletions(-)
diff --git a/kernel/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/kernel/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
index e7ddd3e..5a5d397 100644
--- a/kernel/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
+++ b/kernel/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
@@ -1,24 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Analog Devices ADV7511 HDMI transmitter driver
*
* Copyright 2012 Analog Devices Inc.
- *
- * Licensed under the GPL-2.
*/
+#include <linux/clk.h>
#include <linux/device.h>
#include <linux/gpio/consumer.h>
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/slab.h>
-#include <linux/clk.h>
-#include <drm/drmP.h>
+#include <media/cec.h>
+
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_edid.h>
-
-#include <media/cec.h>
+#include <drm/drm_print.h>
+#include <drm/drm_probe_helper.h>
#include "adv7511.h"
@@ -351,11 +351,20 @@
* from standby or are enabled. When the HPD goes low the adv7511 is
* reset and the outputs are disabled which might cause the monitor to
* go to standby again. To avoid this we ignore the HPD pin for the
- * first few seconds after enabling the output.
+ * first few seconds after enabling the output. On the other hand
+ * adv7535 require to enable HPD Override bit for proper HPD.
*/
- regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER2,
- ADV7511_REG_POWER2_HPD_SRC_MASK,
- ADV7511_REG_POWER2_HPD_SRC_NONE);
+ if (adv7511->type == ADV7535)
+ regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER2,
+ ADV7535_REG_POWER2_HPD_OVERRIDE,
+ ADV7535_REG_POWER2_HPD_OVERRIDE);
+ else
+ regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER2,
+ ADV7511_REG_POWER2_HPD_SRC_MASK,
+ ADV7511_REG_POWER2_HPD_SRC_NONE);
+
+ /* HACK: If we don't delay here edid probing doesn't work properly */
+ msleep(200);
}
static void adv7511_power_on(struct adv7511 *adv7511)
@@ -367,7 +376,7 @@
*/
regcache_sync(adv7511->regmap);
- if (adv7511->type == ADV7533)
+ if (adv7511->type == ADV7533 || adv7511->type == ADV7535)
adv7533_dsi_power_on(adv7511);
adv7511->powered = true;
}
@@ -375,6 +384,10 @@
static void __adv7511_power_off(struct adv7511 *adv7511)
{
/* TODO: setup additional power down modes */
+ if (adv7511->type == ADV7535)
+ regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER2,
+ ADV7535_REG_POWER2_HPD_OVERRIDE, 0);
+
regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER,
ADV7511_POWER_POWER_DOWN,
ADV7511_POWER_POWER_DOWN);
@@ -387,7 +400,7 @@
static void adv7511_power_off(struct adv7511 *adv7511)
{
__adv7511_power_off(adv7511);
- if (adv7511->type == ADV7533)
+ if (adv7511->type == ADV7533 || adv7511->type == ADV7535)
adv7533_dsi_power_off(adv7511);
adv7511->powered = false;
}
@@ -443,9 +456,14 @@
if (adv7511->connector.status != status) {
adv7511->connector.status = status;
- if (status == connector_status_disconnected)
- cec_phys_addr_invalidate(adv7511->cec_adap);
- drm_kms_helper_hotplug_event(adv7511->connector.dev);
+
+ if (adv7511->connector.dev) {
+ if (status == connector_status_disconnected)
+ cec_phys_addr_invalidate(adv7511->cec_adap);
+ drm_kms_helper_hotplug_event(adv7511->connector.dev);
+ } else {
+ drm_bridge_hpd_notify(&adv7511->bridge, status);
+ }
}
}
@@ -589,11 +607,10 @@
* ADV75xx helpers
*/
-static int adv7511_get_modes(struct adv7511 *adv7511,
- struct drm_connector *connector)
+static struct edid *adv7511_get_edid(struct adv7511 *adv7511,
+ struct drm_connector *connector)
{
struct edid *edid;
- unsigned int count;
/* Reading the EDID only works if the device is powered */
if (!adv7511->powered) {
@@ -612,14 +629,24 @@
if (!adv7511->powered)
__adv7511_power_off(adv7511);
-
- drm_connector_update_edid_property(connector, edid);
- count = drm_add_edid_modes(connector, edid);
-
adv7511_set_config_csc(adv7511, connector, adv7511->rgb,
drm_detect_hdmi_monitor(edid));
cec_s_phys_addr_from_edid(adv7511->cec_adap, edid);
+
+ return edid;
+}
+
+static int adv7511_get_modes(struct adv7511 *adv7511,
+ struct drm_connector *connector)
+{
+ struct edid *edid;
+ unsigned int count;
+
+ edid = adv7511_get_edid(adv7511, connector);
+
+ drm_connector_update_edid_property(connector, edid);
+ count = drm_add_edid_modes(connector, edid);
kfree(edid);
@@ -652,14 +679,20 @@
if (status == connector_status_connected && hpd && adv7511->powered) {
regcache_mark_dirty(adv7511->regmap);
adv7511_power_on(adv7511);
- adv7511_get_modes(adv7511, connector);
+ if (connector)
+ adv7511_get_modes(adv7511, connector);
if (adv7511->status == connector_status_connected)
status = connector_status_disconnected;
} else {
/* Renable HPD sensing */
- regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER2,
- ADV7511_REG_POWER2_HPD_SRC_MASK,
- ADV7511_REG_POWER2_HPD_SRC_BOTH);
+ if (adv7511->type == ADV7535)
+ regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER2,
+ ADV7535_REG_POWER2_HPD_OVERRIDE,
+ ADV7535_REG_POWER2_HPD_OVERRIDE);
+ else
+ regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER2,
+ ADV7511_REG_POWER2_HPD_SRC_MASK,
+ ADV7511_REG_POWER2_HPD_SRC_BOTH);
}
adv7511->status = status;
@@ -667,7 +700,7 @@
}
static enum drm_mode_status adv7511_mode_valid(struct adv7511 *adv7511,
- struct drm_display_mode *mode)
+ const struct drm_display_mode *mode)
{
if (mode->clock > 165000)
return MODE_CLOCK_HIGH;
@@ -676,8 +709,8 @@
}
static void adv7511_mode_set(struct adv7511 *adv7511,
- struct drm_display_mode *mode,
- struct drm_display_mode *adj_mode)
+ const struct drm_display_mode *mode,
+ const struct drm_display_mode *adj_mode)
{
unsigned int low_refresh_rate;
unsigned int hsync_polarity = 0;
@@ -756,13 +789,15 @@
else
low_refresh_rate = ADV7511_LOW_REFRESH_RATE_NONE;
- regmap_update_bits(adv7511->regmap, 0xfb,
- 0x6, low_refresh_rate << 1);
+ if (adv7511->type == ADV7511)
+ regmap_update_bits(adv7511->regmap, 0xfb,
+ 0x6, low_refresh_rate << 1);
+ else
+ regmap_update_bits(adv7511->regmap, 0x4a,
+ 0xc, low_refresh_rate << 2);
+
regmap_update_bits(adv7511->regmap, 0x17,
0x60, (vsync_polarity << 6) | (hsync_polarity << 5));
-
- if (adv7511->type == ADV7533)
- adv7533_mode_set(adv7511, adj_mode);
drm_mode_copy(&adv7511->curr_mode, adj_mode);
@@ -774,7 +809,10 @@
adv7511->f_tmds = mode->clock;
}
-/* Connector funcs */
+/* -----------------------------------------------------------------------------
+ * DRM Connector Operations
+ */
+
static struct adv7511 *connector_to_adv7511(struct drm_connector *connector)
{
return container_of(connector, struct adv7511, connector);
@@ -818,7 +856,40 @@
.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
};
-/* Bridge funcs */
+static int adv7511_connector_init(struct adv7511 *adv)
+{
+ struct drm_bridge *bridge = &adv->bridge;
+ int ret;
+
+ if (!bridge->encoder) {
+ DRM_ERROR("Parent encoder object not found");
+ return -ENODEV;
+ }
+
+ if (adv->i2c_main->irq)
+ adv->connector.polled = DRM_CONNECTOR_POLL_HPD;
+ else
+ adv->connector.polled = DRM_CONNECTOR_POLL_CONNECT |
+ DRM_CONNECTOR_POLL_DISCONNECT;
+
+ ret = drm_connector_init(bridge->dev, &adv->connector,
+ &adv7511_connector_funcs,
+ DRM_MODE_CONNECTOR_HDMIA);
+ if (ret < 0) {
+ DRM_ERROR("Failed to initialize connector with drm\n");
+ return ret;
+ }
+ drm_connector_helper_add(&adv->connector,
+ &adv7511_connector_helper_funcs);
+ drm_connector_attach_encoder(&adv->connector, bridge->encoder);
+
+ return 0;
+}
+
+/* -----------------------------------------------------------------------------
+ * DRM Bridge Operations
+ */
+
static struct adv7511 *bridge_to_adv7511(struct drm_bridge *bridge)
{
return container_of(bridge, struct adv7511, bridge);
@@ -839,42 +910,39 @@
}
static void adv7511_bridge_mode_set(struct drm_bridge *bridge,
- struct drm_display_mode *mode,
- struct drm_display_mode *adj_mode)
+ const struct drm_display_mode *mode,
+ const struct drm_display_mode *adj_mode)
{
struct adv7511 *adv = bridge_to_adv7511(bridge);
adv7511_mode_set(adv, mode, adj_mode);
}
-static int adv7511_bridge_attach(struct drm_bridge *bridge)
+static enum drm_mode_status adv7511_bridge_mode_valid(struct drm_bridge *bridge,
+ const struct drm_display_info *info,
+ const struct drm_display_mode *mode)
{
struct adv7511 *adv = bridge_to_adv7511(bridge);
- int ret;
- if (!bridge->encoder) {
- DRM_ERROR("Parent encoder object not found");
- return -ENODEV;
- }
-
- if (adv->i2c_main->irq)
- adv->connector.polled = DRM_CONNECTOR_POLL_HPD;
+ if (adv->type == ADV7533 || adv->type == ADV7535)
+ return adv7533_mode_valid(adv, mode);
else
- adv->connector.polled = DRM_CONNECTOR_POLL_CONNECT |
- DRM_CONNECTOR_POLL_DISCONNECT;
+ return adv7511_mode_valid(adv, mode);
+}
- ret = drm_connector_init(bridge->dev, &adv->connector,
- &adv7511_connector_funcs,
- DRM_MODE_CONNECTOR_HDMIA);
- if (ret) {
- DRM_ERROR("Failed to initialize connector with drm\n");
- return ret;
+static int adv7511_bridge_attach(struct drm_bridge *bridge,
+ enum drm_bridge_attach_flags flags)
+{
+ struct adv7511 *adv = bridge_to_adv7511(bridge);
+ int ret = 0;
+
+ if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)) {
+ ret = adv7511_connector_init(adv);
+ if (ret < 0)
+ return ret;
}
- drm_connector_helper_add(&adv->connector,
- &adv7511_connector_helper_funcs);
- drm_connector_attach_encoder(&adv->connector, bridge->encoder);
- if (adv->type == ADV7533)
+ if (adv->type == ADV7533 || adv->type == ADV7535)
ret = adv7533_attach_dsi(adv);
if (adv->i2c_main->irq)
@@ -884,11 +952,39 @@
return ret;
}
+static enum drm_connector_status adv7511_bridge_detect(struct drm_bridge *bridge)
+{
+ struct adv7511 *adv = bridge_to_adv7511(bridge);
+
+ return adv7511_detect(adv, NULL);
+}
+
+static struct edid *adv7511_bridge_get_edid(struct drm_bridge *bridge,
+ struct drm_connector *connector)
+{
+ struct adv7511 *adv = bridge_to_adv7511(bridge);
+
+ return adv7511_get_edid(adv, connector);
+}
+
+static void adv7511_bridge_hpd_notify(struct drm_bridge *bridge,
+ enum drm_connector_status status)
+{
+ struct adv7511 *adv = bridge_to_adv7511(bridge);
+
+ if (status == connector_status_disconnected)
+ cec_phys_addr_invalidate(adv->cec_adap);
+}
+
static const struct drm_bridge_funcs adv7511_bridge_funcs = {
.enable = adv7511_bridge_enable,
.disable = adv7511_bridge_disable,
.mode_set = adv7511_bridge_mode_set,
+ .mode_valid = adv7511_bridge_mode_valid,
.attach = adv7511_bridge_attach,
+ .detect = adv7511_bridge_detect,
+ .get_edid = adv7511_bridge_get_edid,
+ .hpd_notify = adv7511_bridge_hpd_notify,
};
/* -----------------------------------------------------------------------------
@@ -952,7 +1048,7 @@
struct i2c_client *i2c = to_i2c_client(dev);
struct adv7511 *adv7511 = i2c_get_clientdata(i2c);
- if (adv7511->type == ADV7533)
+ if (adv7511->type == ADV7533 || adv7511->type == ADV7535)
reg -= ADV7533_REG_CEC_OFFSET;
switch (reg) {
@@ -981,10 +1077,14 @@
{
int ret;
- adv->i2c_cec = i2c_new_secondary_device(adv->i2c_main, "cec",
+ adv->i2c_cec = i2c_new_ancillary_device(adv->i2c_main, "cec",
ADV7511_CEC_I2C_ADDR_DEFAULT);
- if (!adv->i2c_cec)
- return -EINVAL;
+ if (IS_ERR(adv->i2c_cec))
+ return PTR_ERR(adv->i2c_cec);
+
+ regmap_write(adv->regmap, ADV7511_REG_CEC_I2C_ADDR,
+ adv->i2c_cec->addr << 1);
+
i2c_set_clientdata(adv->i2c_cec, adv);
adv->regmap_cec = devm_regmap_init_i2c(adv->i2c_cec,
@@ -994,7 +1094,7 @@
goto err;
}
- if (adv->type == ADV7533) {
+ if (adv->type == ADV7533 || adv->type == ADV7535) {
ret = adv7533_patch_cec_registers(adv);
if (ret)
goto err;
@@ -1165,20 +1265,20 @@
adv7511_packet_disable(adv7511, 0xffff);
- adv7511->i2c_edid = i2c_new_secondary_device(i2c, "edid",
+ adv7511->i2c_edid = i2c_new_ancillary_device(i2c, "edid",
ADV7511_EDID_I2C_ADDR_DEFAULT);
- if (!adv7511->i2c_edid) {
- ret = -EINVAL;
+ if (IS_ERR(adv7511->i2c_edid)) {
+ ret = PTR_ERR(adv7511->i2c_edid);
goto uninit_regulators;
}
regmap_write(adv7511->regmap, ADV7511_REG_EDID_I2C_ADDR,
adv7511->i2c_edid->addr << 1);
- adv7511->i2c_packet = i2c_new_secondary_device(i2c, "packet",
+ adv7511->i2c_packet = i2c_new_ancillary_device(i2c, "packet",
ADV7511_PACKET_I2C_ADDR_DEFAULT);
- if (!adv7511->i2c_packet) {
- ret = -EINVAL;
+ if (IS_ERR(adv7511->i2c_packet)) {
+ ret = PTR_ERR(adv7511->i2c_packet);
goto err_i2c_unregister_edid;
}
@@ -1188,9 +1288,6 @@
ret = adv7511_init_cec_regmap(adv7511);
if (ret)
goto err_i2c_unregister_packet;
-
- regmap_write(adv7511->regmap, ADV7511_REG_CEC_I2C_ADDR,
- adv7511->i2c_cec->addr << 1);
INIT_WORK(&adv7511->hpd_work, adv7511_hpd_work);
@@ -1217,7 +1314,10 @@
goto err_unregister_cec;
adv7511->bridge.funcs = &adv7511_bridge_funcs;
+ adv7511->bridge.ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID
+ | DRM_BRIDGE_OP_HPD;
adv7511->bridge.of_node = dev->of_node;
+ adv7511->bridge.type = DRM_MODE_CONNECTOR_HDMIA;
drm_bridge_add(&adv7511->bridge);
@@ -1225,6 +1325,7 @@
return 0;
err_unregister_cec:
+ cec_unregister_adapter(adv7511->cec_adap);
i2c_unregister_device(adv7511->i2c_cec);
if (adv7511->cec_clk)
clk_disable_unprepare(adv7511->cec_clk);
@@ -1242,7 +1343,7 @@
{
struct adv7511 *adv7511 = i2c_get_clientdata(i2c);
- if (adv7511->type == ADV7533)
+ if (adv7511->type == ADV7533 || adv7511->type == ADV7535)
adv7533_detach_dsi(adv7511);
i2c_unregister_device(adv7511->i2c_cec);
if (adv7511->cec_clk)
@@ -1266,9 +1367,8 @@
{ "adv7511", ADV7511 },
{ "adv7511w", ADV7511 },
{ "adv7513", ADV7511 },
-#ifdef CONFIG_DRM_I2C_ADV7533
{ "adv7533", ADV7533 },
-#endif
+ { "adv7535", ADV7535 },
{ }
};
MODULE_DEVICE_TABLE(i2c, adv7511_i2c_ids);
@@ -1277,9 +1377,8 @@
{ .compatible = "adi,adv7511", .data = (void *)ADV7511 },
{ .compatible = "adi,adv7511w", .data = (void *)ADV7511 },
{ .compatible = "adi,adv7513", .data = (void *)ADV7511 },
-#ifdef CONFIG_DRM_I2C_ADV7533
{ .compatible = "adi,adv7533", .data = (void *)ADV7533 },
-#endif
+ { .compatible = "adi,adv7535", .data = (void *)ADV7535 },
{ }
};
MODULE_DEVICE_TABLE(of, adv7511_of_ids);
@@ -1300,10 +1399,21 @@
static int __init adv7511_init(void)
{
- if (IS_ENABLED(CONFIG_DRM_MIPI_DSI))
- mipi_dsi_driver_register(&adv7533_dsi_driver);
+ int ret;
- return i2c_add_driver(&adv7511_driver);
+ if (IS_ENABLED(CONFIG_DRM_MIPI_DSI)) {
+ ret = mipi_dsi_driver_register(&adv7533_dsi_driver);
+ if (ret)
+ return ret;
+ }
+
+ ret = i2c_add_driver(&adv7511_driver);
+ if (ret) {
+ if (IS_ENABLED(CONFIG_DRM_MIPI_DSI))
+ mipi_dsi_driver_unregister(&adv7533_dsi_driver);
+ }
+
+ return ret;
}
module_init(adv7511_init);
--
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