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/platform/x86/acerhdf.c | 126 +++++++++++++++++++++++-------------------
1 files changed, 69 insertions(+), 57 deletions(-)
diff --git a/kernel/drivers/platform/x86/acerhdf.c b/kernel/drivers/platform/x86/acerhdf.c
index 53dfe67..44b6bfb 100644
--- a/kernel/drivers/platform/x86/acerhdf.c
+++ b/kernel/drivers/platform/x86/acerhdf.c
@@ -1,10 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* acerhdf - A driver which monitors the temperature
* of the aspire one netbook, turns on/off the fan
* as soon as the upper/lower threshold is reached.
*
- * (C) 2009 - Peter Feuerer peter (a) piie.net
- * http://piie.net
+ * (C) 2009 - Peter Kaestle peter (a) piie.net
+ * https://piie.net
* 2009 Borislav Petkov bp (a) alien8.de
*
* Inspired by and many thanks to:
@@ -15,20 +16,6 @@
* o lkml - Matthew Garrett
* - Borislav Petkov
* - Andreas Mohr
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#define pr_fmt(fmt) "acerhdf: " fmt
@@ -86,6 +73,7 @@
static unsigned int fanon = 60000;
static unsigned int fanoff = 53000;
static unsigned int verbose;
+static unsigned int list_supported;
static unsigned int fanstate = ACERHDF_FAN_AUTO;
static char force_bios[16];
static char force_product[16];
@@ -104,10 +92,12 @@
MODULE_PARM_DESC(fanoff, "Turn the fan off below this temperature");
module_param(verbose, uint, 0600);
MODULE_PARM_DESC(verbose, "Enable verbose dmesg output");
+module_param(list_supported, uint, 0600);
+MODULE_PARM_DESC(list_supported, "List supported models and BIOS versions");
module_param_string(force_bios, force_bios, 16, 0);
-MODULE_PARM_DESC(force_bios, "Force BIOS version and omit BIOS check");
+MODULE_PARM_DESC(force_bios, "Pretend system has this known supported BIOS version");
module_param_string(force_product, force_product, 16, 0);
-MODULE_PARM_DESC(force_product, "Force BIOS product and omit BIOS check");
+MODULE_PARM_DESC(force_product, "Pretend system is this known supported model");
/*
* cmd_off: to switch the fan completely off and check if the fan is off
@@ -130,7 +120,7 @@
.moff = 0xff,
};
-/* BIOS settings */
+/* BIOS settings - only used during probe */
struct bios_settings {
const char *vendor;
const char *product;
@@ -141,8 +131,18 @@
int mcmd_enable;
};
+/* This could be a daughter struct in the above, but not worth the redirect */
+struct ctrl_settings {
+ u8 fanreg;
+ u8 tempreg;
+ struct fancmd cmd;
+ int mcmd_enable;
+};
+
+static struct ctrl_settings ctrl_cfg __read_mostly;
+
/* Register addresses and values for different BIOS versions */
-static const struct bios_settings bios_tbl[] = {
+static const struct bios_settings bios_tbl[] __initconst = {
/* AOA110 */
{"Acer", "AOA110", "v0.3109", 0x55, 0x58, {0x1f, 0x00}, 0},
{"Acer", "AOA110", "v0.3114", 0x55, 0x58, {0x1f, 0x00}, 0},
@@ -224,6 +224,8 @@
{"Acer", "Aspire 5739G", "V1.3311", 0x55, 0x58, {0x20, 0x00}, 0},
/* Acer TravelMate 7730 */
{"Acer", "TravelMate 7730G", "v0.3509", 0x55, 0x58, {0xaf, 0x00}, 0},
+ /* Acer Aspire 7551 */
+ {"Acer", "Aspire 7551", "V1.18", 0x93, 0xa8, {0x14, 0x04}, 1},
/* Acer TravelMate TM8573T */
{"Acer", "TM8573T", "V1.13", 0x93, 0xa8, {0x14, 0x04}, 1},
/* Gateway */
@@ -257,8 +259,6 @@
{"", "", "", 0, 0, {0, 0}, 0}
};
-static const struct bios_settings *bios_cfg __read_mostly;
-
/*
* this struct is used to instruct thermal layer to use bang_bang instead of
* default governor for acerhdf
@@ -271,7 +271,7 @@
{
u8 read_temp;
- if (ec_read(bios_cfg->tempreg, &read_temp))
+ if (ec_read(ctrl_cfg.tempreg, &read_temp))
return -EINVAL;
*temp = read_temp * 1000;
@@ -283,10 +283,10 @@
{
u8 fan;
- if (ec_read(bios_cfg->fanreg, &fan))
+ if (ec_read(ctrl_cfg.fanreg, &fan))
return -EINVAL;
- if (fan != bios_cfg->cmd.cmd_off)
+ if (fan != ctrl_cfg.cmd.cmd_off)
*state = ACERHDF_FAN_AUTO;
else
*state = ACERHDF_FAN_OFF;
@@ -307,13 +307,13 @@
state = ACERHDF_FAN_AUTO;
}
- cmd = (state == ACERHDF_FAN_OFF) ? bios_cfg->cmd.cmd_off
- : bios_cfg->cmd.cmd_auto;
+ cmd = (state == ACERHDF_FAN_OFF) ? ctrl_cfg.cmd.cmd_off
+ : ctrl_cfg.cmd.cmd_auto;
fanstate = state;
- ec_write(bios_cfg->fanreg, cmd);
+ ec_write(ctrl_cfg.fanreg, cmd);
- if (bios_cfg->mcmd_enable && state == ACERHDF_FAN_OFF) {
+ if (ctrl_cfg.mcmd_enable && state == ACERHDF_FAN_OFF) {
if (verbose)
pr_notice("turning off fan manually\n");
ec_write(mcmd.mreg, mcmd.moff);
@@ -397,29 +397,14 @@
{
acerhdf_change_fanstate(ACERHDF_FAN_AUTO);
kernelmode = 0;
- if (thz_dev)
- thz_dev->polling_delay = 0;
+
pr_notice("kernel mode fan control OFF\n");
}
static inline void acerhdf_enable_kernelmode(void)
{
kernelmode = 1;
- thz_dev->polling_delay = interval*1000;
- thermal_zone_device_update(thz_dev, THERMAL_EVENT_UNSPECIFIED);
pr_notice("kernel mode fan control ON\n");
-}
-
-static int acerhdf_get_mode(struct thermal_zone_device *thermal,
- enum thermal_device_mode *mode)
-{
- if (verbose)
- pr_notice("kernel mode fan control %d\n", kernelmode);
-
- *mode = (kernelmode) ? THERMAL_DEVICE_ENABLED
- : THERMAL_DEVICE_DISABLED;
-
- return 0;
}
/*
@@ -428,8 +413,8 @@
* the temperature and the fan.
* disabled: the BIOS takes control of the fan.
*/
-static int acerhdf_set_mode(struct thermal_zone_device *thermal,
- enum thermal_device_mode mode)
+static int acerhdf_change_mode(struct thermal_zone_device *thermal,
+ enum thermal_device_mode mode)
{
if (mode == THERMAL_DEVICE_DISABLED && kernelmode)
acerhdf_revert_to_bios_mode();
@@ -488,8 +473,7 @@
.bind = acerhdf_bind,
.unbind = acerhdf_unbind,
.get_temp = acerhdf_get_ec_temp,
- .get_mode = acerhdf_get_mode,
- .set_mode = acerhdf_set_mode,
+ .change_mode = acerhdf_change_mode,
.get_trip_type = acerhdf_get_trip_type,
.get_trip_hyst = acerhdf_get_trip_hyst,
.get_trip_temp = acerhdf_get_trip_temp,
@@ -616,10 +600,11 @@
}
/* check hardware */
-static int acerhdf_check_hardware(void)
+static int __init acerhdf_check_hardware(void)
{
char const *vendor, *version, *product;
const struct bios_settings *bt = NULL;
+ int found = 0;
/* get BIOS data */
vendor = dmi_get_system_info(DMI_SYS_VENDOR);
@@ -632,6 +617,17 @@
}
pr_info("Acer Aspire One Fan driver, v.%s\n", DRV_VER);
+
+ if (list_supported) {
+ pr_info("List of supported Manufacturer/Model/BIOS:\n");
+ pr_info("---------------------------------------------------\n");
+ for (bt = bios_tbl; bt->vendor[0]; bt++) {
+ pr_info("%-13s | %-17s | %-10s\n", bt->vendor,
+ bt->product, bt->version);
+ }
+ pr_info("---------------------------------------------------\n");
+ return -ECANCELED;
+ }
if (force_bios[0]) {
version = force_bios;
@@ -658,16 +654,22 @@
if (str_starts_with(vendor, bt->vendor) &&
str_starts_with(product, bt->product) &&
str_starts_with(version, bt->version)) {
- bios_cfg = bt;
+ found = 1;
break;
}
}
- if (!bios_cfg) {
+ if (!found) {
pr_err("unknown (unsupported) BIOS version %s/%s/%s, please report, aborting!\n",
vendor, product, version);
return -EINVAL;
}
+
+ /* Copy control settings from BIOS table before we free it. */
+ ctrl_cfg.fanreg = bt->fanreg;
+ ctrl_cfg.tempreg = bt->tempreg;
+ memcpy(&ctrl_cfg.cmd, &bt->cmd, sizeof(struct fancmd));
+ ctrl_cfg.mcmd_enable = bt->mcmd_enable;
/*
* if started with kernel mode off, prevent the kernel from switching
@@ -675,13 +677,13 @@
*/
if (!kernelmode) {
pr_notice("Fan control off, to enable do:\n");
- pr_notice("echo -n \"enabled\" > /sys/class/thermal/thermal_zone0/mode\n");
+ pr_notice("echo -n \"enabled\" > /sys/class/thermal/thermal_zoneN/mode # N=0,1,2...\n");
}
return 0;
}
-static int acerhdf_register_platform(void)
+static int __init acerhdf_register_platform(void)
{
int err = 0;
@@ -713,8 +715,10 @@
platform_driver_unregister(&acerhdf_driver);
}
-static int acerhdf_register_thermal(void)
+static int __init acerhdf_register_thermal(void)
{
+ int ret;
+
cl_dev = thermal_cooling_device_register("acerhdf-fan", NULL,
&acerhdf_cooling_ops);
@@ -727,6 +731,13 @@
(kernelmode) ? interval*1000 : 0);
if (IS_ERR(thz_dev))
return -EINVAL;
+
+ if (kernelmode)
+ ret = thermal_zone_device_enable(thz_dev);
+ else
+ ret = thermal_zone_device_disable(thz_dev);
+ if (ret)
+ return ret;
if (strcmp(thz_dev->governor->name,
acerhdf_zone_params.governor_name)) {
@@ -785,7 +796,7 @@
}
MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Peter Feuerer");
+MODULE_AUTHOR("Peter Kaestle");
MODULE_DESCRIPTION("Aspire One temperature and fan driver");
MODULE_ALIAS("dmi:*:*Acer*:pnAOA*:");
MODULE_ALIAS("dmi:*:*Acer*:pnAO751h*:");
@@ -799,6 +810,7 @@
MODULE_ALIAS("dmi:*:*Acer*:pnAspire*One*753:");
MODULE_ALIAS("dmi:*:*Acer*:pnAspire*5315:");
MODULE_ALIAS("dmi:*:*Acer*:TravelMate*7730G:");
+MODULE_ALIAS("dmi:*:*Acer*:pnAspire*7551:");
MODULE_ALIAS("dmi:*:*Acer*:TM8573T:");
MODULE_ALIAS("dmi:*:*Gateway*:pnAOA*:");
MODULE_ALIAS("dmi:*:*Gateway*:pnLT31*:");
@@ -808,7 +820,7 @@
MODULE_ALIAS("dmi:*:*Packard*Bell*:pnENBFT*:");
MODULE_ALIAS("dmi:*:*Packard*Bell*:pnDOTMA*:");
MODULE_ALIAS("dmi:*:*Packard*Bell*:pnDOTVR46*:");
-MODULE_ALIAS("dmi:*:*Acer*:pnExtensa 5420*:");
+MODULE_ALIAS("dmi:*:*Acer*:pnExtensa*5420*:");
module_init(acerhdf_init);
module_exit(acerhdf_exit);
--
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