From f70575805708cabdedea7498aaa3f710fde4d920 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 03:29:01 +0000
Subject: [PATCH] add lvds1024*800
---
kernel/drivers/acpi/dptf/dptf_power.c | 169 ++++++++++++++++++++++++++++++++++++++++++++++++-------
1 files changed, 146 insertions(+), 23 deletions(-)
diff --git a/kernel/drivers/acpi/dptf/dptf_power.c b/kernel/drivers/acpi/dptf/dptf_power.c
index e1c2425..a24d5d7 100644
--- a/kernel/drivers/acpi/dptf/dptf_power.c
+++ b/kernel/drivers/acpi/dptf/dptf_power.c
@@ -1,16 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* dptf_power: DPTF platform power driver
* Copyright (c) 2016, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope 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/kernel.h>
@@ -19,20 +10,26 @@
#include <linux/platform_device.h>
/*
- * Presentation of attributes which are defined for INT3407. They are:
+ * Presentation of attributes which are defined for INT3407 and INT3532.
+ * They are:
* PMAX : Maximum platform powe
* PSRC : Platform power source
* ARTG : Adapter rating
* CTYP : Charger type
* PBSS : Battery steady power
+ * PROP : Rest of worst case platform Power
+ * PBSS : Power Battery Steady State
+ * PBSS : Power Battery Steady State
+ * RBHF : High Frequency Impedance
+ * VBNL : Instantaneous No-Load Voltage
+ * CMPP : Current Discharge Capability
*/
#define DPTF_POWER_SHOW(name, object) \
static ssize_t name##_show(struct device *dev,\
struct device_attribute *attr,\
char *buf)\
{\
- struct platform_device *pdev = to_platform_device(dev);\
- struct acpi_device *acpi_dev = platform_get_drvdata(pdev);\
+ struct acpi_device *acpi_dev = dev_get_drvdata(dev);\
unsigned long long val;\
acpi_status status;\
\
@@ -49,12 +46,42 @@
DPTF_POWER_SHOW(adapter_rating_mw, ARTG)
DPTF_POWER_SHOW(battery_steady_power_mw, PBSS)
DPTF_POWER_SHOW(charger_type, CTYP)
+DPTF_POWER_SHOW(rest_of_platform_power_mw, PROP)
+DPTF_POWER_SHOW(max_steady_state_power_mw, PBSS)
+DPTF_POWER_SHOW(high_freq_impedance_mohm, RBHF)
+DPTF_POWER_SHOW(no_load_voltage_mv, VBNL)
+DPTF_POWER_SHOW(current_discharge_capbility_ma, CMPP);
static DEVICE_ATTR_RO(max_platform_power_mw);
static DEVICE_ATTR_RO(platform_power_source);
static DEVICE_ATTR_RO(adapter_rating_mw);
static DEVICE_ATTR_RO(battery_steady_power_mw);
static DEVICE_ATTR_RO(charger_type);
+static DEVICE_ATTR_RO(rest_of_platform_power_mw);
+static DEVICE_ATTR_RO(max_steady_state_power_mw);
+static DEVICE_ATTR_RO(high_freq_impedance_mohm);
+static DEVICE_ATTR_RO(no_load_voltage_mv);
+static DEVICE_ATTR_RO(current_discharge_capbility_ma);
+
+static ssize_t prochot_confirm_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct acpi_device *acpi_dev = dev_get_drvdata(dev);
+ acpi_status status;
+ int seq_no;
+
+ if (kstrtouint(buf, 0, &seq_no) < 0)
+ return -EINVAL;
+
+ status = acpi_execute_simple_method(acpi_dev->handle, "PBOK", seq_no);
+ if (ACPI_SUCCESS(status))
+ return count;
+
+ return -EINVAL;
+}
+
+static DEVICE_ATTR_WO(prochot_confirm);
static struct attribute *dptf_power_attrs[] = {
&dev_attr_max_platform_power_mw.attr,
@@ -62,6 +89,8 @@
&dev_attr_adapter_rating_mw.attr,
&dev_attr_battery_steady_power_mw.attr,
&dev_attr_charger_type.attr,
+ &dev_attr_rest_of_platform_power_mw.attr,
+ &dev_attr_prochot_confirm.attr,
NULL
};
@@ -70,10 +99,79 @@
.name = "dptf_power"
};
+static struct attribute *dptf_battery_attrs[] = {
+ &dev_attr_max_platform_power_mw.attr,
+ &dev_attr_max_steady_state_power_mw.attr,
+ &dev_attr_high_freq_impedance_mohm.attr,
+ &dev_attr_no_load_voltage_mv.attr,
+ &dev_attr_current_discharge_capbility_ma.attr,
+ NULL
+};
+
+static const struct attribute_group dptf_battery_attribute_group = {
+ .attrs = dptf_battery_attrs,
+ .name = "dptf_battery"
+};
+
+#define MAX_POWER_CHANGED 0x80
+#define POWER_STATE_CHANGED 0x81
+#define STEADY_STATE_POWER_CHANGED 0x83
+#define POWER_PROP_CHANGE_EVENT 0x84
+#define IMPEDANCED_CHNGED 0x85
+#define VOLTAGE_CURRENT_CHANGED 0x86
+
+static long long dptf_participant_type(acpi_handle handle)
+{
+ unsigned long long ptype;
+ acpi_status status;
+
+ status = acpi_evaluate_integer(handle, "PTYP", NULL, &ptype);
+ if (ACPI_FAILURE(status))
+ return -ENODEV;
+
+ return ptype;
+}
+
+static void dptf_power_notify(acpi_handle handle, u32 event, void *data)
+{
+ struct platform_device *pdev = data;
+ char *attr;
+
+ switch (event) {
+ case POWER_STATE_CHANGED:
+ attr = "platform_power_source";
+ break;
+ case POWER_PROP_CHANGE_EVENT:
+ attr = "rest_of_platform_power_mw";
+ break;
+ case MAX_POWER_CHANGED:
+ attr = "max_platform_power_mw";
+ break;
+ case STEADY_STATE_POWER_CHANGED:
+ attr = "max_steady_state_power_mw";
+ break;
+ case VOLTAGE_CURRENT_CHANGED:
+ attr = "no_load_voltage_mv";
+ break;
+ default:
+ dev_err(&pdev->dev, "Unsupported event [0x%x]\n", event);
+ return;
+ }
+
+ /*
+ * Notify that an attribute is changed, so that user space can read
+ * again.
+ */
+ if (dptf_participant_type(handle) == 0x0CULL)
+ sysfs_notify(&pdev->dev.kobj, "dptf_battery", attr);
+ else
+ sysfs_notify(&pdev->dev.kobj, "dptf_power", attr);
+}
+
static int dptf_power_add(struct platform_device *pdev)
{
+ const struct attribute_group *attr_group;
struct acpi_device *acpi_dev;
- acpi_status status;
unsigned long long ptype;
int result;
@@ -81,17 +179,29 @@
if (!acpi_dev)
return -ENODEV;
- status = acpi_evaluate_integer(acpi_dev->handle, "PTYP", NULL, &ptype);
- if (ACPI_FAILURE(status))
+ ptype = dptf_participant_type(acpi_dev->handle);
+ if (ptype == 0x11)
+ attr_group = &dptf_power_attribute_group;
+ else if (ptype == 0x0C)
+ attr_group = &dptf_battery_attribute_group;
+ else
return -ENODEV;
- if (ptype != 0x11)
- return -ENODEV;
-
- result = sysfs_create_group(&pdev->dev.kobj,
- &dptf_power_attribute_group);
+ result = acpi_install_notify_handler(acpi_dev->handle,
+ ACPI_DEVICE_NOTIFY,
+ dptf_power_notify,
+ (void *)pdev);
if (result)
return result;
+
+ result = sysfs_create_group(&pdev->dev.kobj,
+ attr_group);
+ if (result) {
+ acpi_remove_notify_handler(acpi_dev->handle,
+ ACPI_DEVICE_NOTIFY,
+ dptf_power_notify);
+ return result;
+ }
platform_set_drvdata(pdev, acpi_dev);
@@ -100,14 +210,27 @@
static int dptf_power_remove(struct platform_device *pdev)
{
+ struct acpi_device *acpi_dev = platform_get_drvdata(pdev);
- sysfs_remove_group(&pdev->dev.kobj, &dptf_power_attribute_group);
+ acpi_remove_notify_handler(acpi_dev->handle,
+ ACPI_DEVICE_NOTIFY,
+ dptf_power_notify);
+
+ if (dptf_participant_type(acpi_dev->handle) == 0x0CULL)
+ sysfs_remove_group(&pdev->dev.kobj, &dptf_battery_attribute_group);
+ else
+ sysfs_remove_group(&pdev->dev.kobj, &dptf_power_attribute_group);
return 0;
}
static const struct acpi_device_id int3407_device_ids[] = {
{"INT3407", 0},
+ {"INT3532", 0},
+ {"INTC1047", 0},
+ {"INTC1050", 0},
+ {"INTC1060", 0},
+ {"INTC1061", 0},
{"", 0},
};
MODULE_DEVICE_TABLE(acpi, int3407_device_ids);
@@ -116,7 +239,7 @@
.probe = dptf_power_add,
.remove = dptf_power_remove,
.driver = {
- .name = "DPTF Platform Power",
+ .name = "dptf_power",
.acpi_match_table = int3407_device_ids,
},
};
--
Gitblit v1.6.2