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-rw-r--r--target/linux/brcm2708/patches-4.1/0018-Added-hwmon-thermal-driver-for-reporting-core-temper.patch288
1 files changed, 0 insertions, 288 deletions
diff --git a/target/linux/brcm2708/patches-4.1/0018-Added-hwmon-thermal-driver-for-reporting-core-temper.patch b/target/linux/brcm2708/patches-4.1/0018-Added-hwmon-thermal-driver-for-reporting-core-temper.patch
deleted file mode 100644
index 0a6b774db4..0000000000
--- a/target/linux/brcm2708/patches-4.1/0018-Added-hwmon-thermal-driver-for-reporting-core-temper.patch
+++ /dev/null
@@ -1,288 +0,0 @@
-From b38407e770cb8168f3d5ecef78dabdaf3abc7117 Mon Sep 17 00:00:00 2001
-From: popcornmix <popcornmix@gmail.com>
-Date: Tue, 26 Mar 2013 19:24:24 +0000
-Subject: [PATCH 018/222] Added hwmon/thermal driver for reporting core
- temperature. Thanks Dorian
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-BCM270x: Move thermal sensor to Device Tree
-
-Add Device Tree support to bcm2835-thermal driver.
-Add thermal sensor device to Device Tree.
-Don't add platform device when booting in DT mode.
-
-Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
----
- arch/arm/mach-bcm2708/bcm2708.c | 6 ++
- arch/arm/mach-bcm2709/bcm2709.c | 6 ++
- drivers/thermal/Kconfig | 7 ++
- drivers/thermal/Makefile | 1 +
- drivers/thermal/bcm2835-thermal.c | 190 ++++++++++++++++++++++++++++++++++++++
- 5 files changed, 210 insertions(+)
- create mode 100644 drivers/thermal/bcm2835-thermal.c
-
---- a/arch/arm/mach-bcm2708/bcm2708.c
-+++ b/arch/arm/mach-bcm2708/bcm2708.c
-@@ -505,6 +505,10 @@ static struct platform_device bcm2708_al
- },
- };
-
-+static struct platform_device bcm2835_thermal_device = {
-+ .name = "bcm2835_thermal",
-+};
-+
- int __init bcm_register_device(struct platform_device *pdev)
- {
- int ret;
-@@ -651,6 +655,8 @@ void __init bcm2708_init(void)
- for (i = 0; i < ARRAY_SIZE(bcm2708_alsa_devices); i++)
- bcm_register_device_dt(&bcm2708_alsa_devices[i]);
-
-+ bcm_register_device_dt(&bcm2835_thermal_device);
-+
- if (!use_dt) {
- for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
- struct amba_device *d = amba_devs[i];
---- a/arch/arm/mach-bcm2709/bcm2709.c
-+++ b/arch/arm/mach-bcm2709/bcm2709.c
-@@ -525,6 +525,10 @@ static struct platform_device bcm2708_al
- },
- };
-
-+static struct platform_device bcm2835_thermal_device = {
-+ .name = "bcm2835_thermal",
-+};
-+
- int __init bcm_register_device(struct platform_device *pdev)
- {
- int ret;
-@@ -671,6 +675,8 @@ void __init bcm2709_init(void)
- for (i = 0; i < ARRAY_SIZE(bcm2708_alsa_devices); i++)
- bcm_register_device_dt(&bcm2708_alsa_devices[i]);
-
-+ bcm_register_device_dt(&bcm2835_thermal_device);
-+
- if (!use_dt) {
- for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
- struct amba_device *d = amba_devs[i];
---- a/drivers/thermal/Kconfig
-+++ b/drivers/thermal/Kconfig
-@@ -238,6 +238,13 @@ config INTEL_POWERCLAMP
- enforce idle time which results in more package C-state residency. The
- user interface is exposed via generic thermal framework.
-
-+config THERMAL_BCM2835
-+ depends on BCM2708_MBOX
-+ tristate "BCM2835 Thermal Driver"
-+ help
-+ This will enable temperature monitoring for the Broadcom BCM2835
-+ chip. If built as a module, it will be called 'bcm2835-thermal'.
-+
- config X86_PKG_TEMP_THERMAL
- tristate "X86 package temperature thermal driver"
- depends on X86_THERMAL_VECTOR
---- a/drivers/thermal/Makefile
-+++ b/drivers/thermal/Makefile
-@@ -33,6 +33,7 @@ obj-$(CONFIG_ARMADA_THERMAL) += armada_t
- obj-$(CONFIG_IMX_THERMAL) += imx_thermal.o
- obj-$(CONFIG_DB8500_CPUFREQ_COOLING) += db8500_cpufreq_cooling.o
- obj-$(CONFIG_INTEL_POWERCLAMP) += intel_powerclamp.o
-+obj-$(CONFIG_THERMAL_BCM2835) += bcm2835-thermal.o
- obj-$(CONFIG_X86_PKG_TEMP_THERMAL) += x86_pkg_temp_thermal.o
- obj-$(CONFIG_INTEL_SOC_DTS_THERMAL) += intel_soc_dts_thermal.o
- obj-$(CONFIG_TI_SOC_THERMAL) += ti-soc-thermal/
---- /dev/null
-+++ b/drivers/thermal/bcm2835-thermal.c
-@@ -0,0 +1,190 @@
-+/*****************************************************************************
-+* Copyright 2011 Broadcom Corporation. All rights reserved.
-+*
-+* Unless you and Broadcom execute a separate written software license
-+* agreement governing use of this software, this software is licensed to you
-+* under the terms of the GNU General Public License version 2, available at
-+* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
-+*
-+* Notwithstanding the above, under no circumstances may you combine this
-+* software in any way with any other Broadcom software provided under a
-+* license other than the GPL, without Broadcom's express prior written
-+* consent.
-+*****************************************************************************/
-+
-+#include <linux/kernel.h>
-+#include <linux/module.h>
-+#include <linux/init.h>
-+#include <linux/platform_data/mailbox-bcm2708.h>
-+#include <linux/platform_device.h>
-+#include <linux/slab.h>
-+#include <linux/sysfs.h>
-+#include <linux/thermal.h>
-+
-+
-+/* --- DEFINITIONS --- */
-+#define MODULE_NAME "bcm2835_thermal"
-+
-+/*#define THERMAL_DEBUG_ENABLE*/
-+
-+#ifdef THERMAL_DEBUG_ENABLE
-+#define print_debug(fmt,...) printk(KERN_INFO "%s:%s:%d: "fmt"\n", MODULE_NAME, __func__, __LINE__, ##__VA_ARGS__)
-+#else
-+#define print_debug(fmt,...)
-+#endif
-+#define print_err(fmt,...) printk(KERN_ERR "%s:%s:%d: "fmt"\n", MODULE_NAME, __func__,__LINE__, ##__VA_ARGS__)
-+
-+#define VC_TAG_GET_TEMP 0x00030006
-+#define VC_TAG_GET_MAX_TEMP 0x0003000A
-+
-+typedef enum {
-+ TEMP,
-+ MAX_TEMP,
-+} temp_type;
-+
-+/* --- STRUCTS --- */
-+/* tag part of the message */
-+struct vc_msg_tag {
-+ uint32_t tag_id; /* the tag ID for the temperature */
-+ uint32_t buffer_size; /* size of the buffer (should be 8) */
-+ uint32_t request_code; /* identifies message as a request (should be 0) */
-+ uint32_t id; /* extra ID field (should be 0) */
-+ uint32_t val; /* returned value of the temperature */
-+};
-+
-+/* message structure to be sent to videocore */
-+struct vc_msg {
-+ uint32_t msg_size; /* simply, sizeof(struct vc_msg) */
-+ uint32_t request_code; /* holds various information like the success and number of bytes returned (refer to mailboxes wiki) */
-+ struct vc_msg_tag tag; /* the tag structure above to make */
-+ uint32_t end_tag; /* an end identifier, should be set to NULL */
-+};
-+
-+struct bcm2835_thermal_data {
-+ struct thermal_zone_device *thermal_dev;
-+ struct vc_msg msg;
-+};
-+
-+/* --- GLOBALS --- */
-+static struct bcm2835_thermal_data bcm2835_data;
-+
-+/* Thermal Device Operations */
-+static struct thermal_zone_device_ops ops;
-+
-+/* --- FUNCTIONS --- */
-+
-+static int bcm2835_get_temp_or_max(struct thermal_zone_device *thermal_dev, unsigned long *temp, unsigned tag_id)
-+{
-+ int result = -1, retry = 3;
-+ print_debug("IN");
-+
-+ *temp = 0;
-+ while (result != 0 && retry-- > 0) {
-+ /* wipe all previous message data */
-+ memset(&bcm2835_data.msg, 0, sizeof bcm2835_data.msg);
-+
-+ /* prepare message */
-+ bcm2835_data.msg.msg_size = sizeof bcm2835_data.msg;
-+ bcm2835_data.msg.tag.buffer_size = 8;
-+ bcm2835_data.msg.tag.tag_id = tag_id;
-+
-+ /* send the message */
-+ result = bcm_mailbox_property(&bcm2835_data.msg, sizeof bcm2835_data.msg);
-+ print_debug("Got %stemperature as %u (%d,%x)\n", tag_id==VC_TAG_GET_MAX_TEMP ? "max ":"", (uint)bcm2835_data.msg.tag.val, result, bcm2835_data.msg.request_code);
-+ if (!(bcm2835_data.msg.request_code & 0x80000000))
-+ result = -1;
-+ }
-+
-+ /* check if it was all ok and return the rate in milli degrees C */
-+ if (result == 0)
-+ *temp = (uint)bcm2835_data.msg.tag.val;
-+ else
-+ print_err("Failed to get temperature! (%x:%d)\n", tag_id, result);
-+ print_debug("OUT");
-+ return result;
-+}
-+
-+static int bcm2835_get_temp(struct thermal_zone_device *thermal_dev, unsigned long *temp)
-+{
-+ return bcm2835_get_temp_or_max(thermal_dev, temp, VC_TAG_GET_TEMP);
-+}
-+
-+static int bcm2835_get_max_temp(struct thermal_zone_device *thermal_dev, int trip_num, unsigned long *temp)
-+{
-+ return bcm2835_get_temp_or_max(thermal_dev, temp, VC_TAG_GET_MAX_TEMP);
-+}
-+
-+static int bcm2835_get_trip_type(struct thermal_zone_device * thermal_dev, int trip_num, enum thermal_trip_type *trip_type)
-+{
-+ *trip_type = THERMAL_TRIP_HOT;
-+ return 0;
-+}
-+
-+
-+static int bcm2835_get_mode(struct thermal_zone_device *thermal_dev, enum thermal_device_mode *dev_mode)
-+{
-+ *dev_mode = THERMAL_DEVICE_ENABLED;
-+ return 0;
-+}
-+
-+
-+static int bcm2835_thermal_probe(struct platform_device *pdev)
-+{
-+ print_debug("IN");
-+ print_debug("THERMAL Driver has been probed!");
-+
-+ /* check that the device isn't null!*/
-+ if(pdev == NULL)
-+ {
-+ print_debug("Platform device is empty!");
-+ return -ENODEV;
-+ }
-+
-+ if(!(bcm2835_data.thermal_dev = thermal_zone_device_register("bcm2835_thermal", 1, 0, NULL, &ops, NULL, 0, 0)))
-+ {
-+ print_debug("Unable to register the thermal device!");
-+ return -EFAULT;
-+ }
-+ return 0;
-+}
-+
-+
-+static int bcm2835_thermal_remove(struct platform_device *pdev)
-+{
-+ print_debug("IN");
-+
-+ thermal_zone_device_unregister(bcm2835_data.thermal_dev);
-+
-+ print_debug("OUT");
-+
-+ return 0;
-+}
-+
-+static struct thermal_zone_device_ops ops = {
-+ .get_temp = bcm2835_get_temp,
-+ .get_trip_temp = bcm2835_get_max_temp,
-+ .get_trip_type = bcm2835_get_trip_type,
-+ .get_mode = bcm2835_get_mode,
-+};
-+
-+static const struct of_device_id bcm2835_thermal_of_match_table[] = {
-+ { .compatible = "brcm,bcm2835-thermal", },
-+ {},
-+};
-+MODULE_DEVICE_TABLE(of, bcm2835_thermal_of_match_table);
-+
-+static struct platform_driver bcm2835_thermal_driver = {
-+ .probe = bcm2835_thermal_probe,
-+ .remove = bcm2835_thermal_remove,
-+ .driver = {
-+ .name = "bcm2835_thermal",
-+ .owner = THIS_MODULE,
-+ .of_match_table = bcm2835_thermal_of_match_table,
-+ },
-+};
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Dorian Peake");
-+MODULE_DESCRIPTION("Thermal driver for bcm2835 chip");
-+
-+module_platform_driver(bcm2835_thermal_driver);
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-28 01:21:28 +0000