cooldev: add gpu cooldev api set for mali ko.

PD#160967: cooldev: add g12a gpu cooldev api.

Change-Id: I5825afcdb22cebae885a373063b6ce9f4c6a9a7a
Signed-off-by: Huan Biao <huan.biao@amlogic.com>

diff --git a/MAINTAINERS b/MAINTAINERS
index 9817d92..af6c084 100644 (file)
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -14367,6 +14367,7 @@ AMLOGIC THERMAL DRIVER
 M:     Huan Biao <huan.biao@amlogic.com>
 F:     drivers/amlgoic/thermal/meson_tsensor.c
 F:     drivers/amlogic/thermal/meson_cooldev.c
+F:     include/linux/amlogic/meson_cooldev.h
 
 AMLOGIC G12A Audio DRIVER
 M:     Xing Wang <xing.wang@amlogic.com>

diff --git a/drivers/amlogic/thermal/cpucore_cooling.c b/drivers/amlogic/thermal/cpucore_cooling.c
index f3c0f8c..58055c2 100644 (file)
--- a/drivers/amlogic/thermal/cpucore_cooling.c
+++ b/drivers/amlogic/thermal/cpucore_cooling.c
@@ -24,7 +24,7 @@
 #include <linux/amlogic/cpucore_cooling.h>
 #include <linux/amlogic/cpu_hotplug.h>
 #include <linux/cpumask.h>
-#include <linux/amlogic/aml_thermal_hw.h>
+#include <linux/amlogic/meson_cooldev.h>
 
 /**
  * struct cpucore_cooling_device - data for cooling device with cpucore

diff --git a/drivers/amlogic/thermal/meson_cooldev.c b/drivers/amlogic/thermal/meson_cooldev.c
index e89578c..2e3282b 100644 (file)
--- a/drivers/amlogic/thermal/meson_cooldev.c
+++ b/drivers/amlogic/thermal/meson_cooldev.c
@@ -18,7 +18,6 @@
 #include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/amlogic/cpu_version.h>
-#include <linux/amlogic/scpi_protocol.h>
 #include <linux/printk.h>
 #include <linux/platform_device.h>
 #include <linux/of.h>
@@ -62,6 +61,8 @@ struct meson_cooldev {
        struct thermal_zone_device    *tzd;
 };
 
+static struct meson_cooldev *meson_gcooldev;
+
 static int get_cool_dev_type(char *type)
 {
        if (!strcmp(type, "cpufreq"))
@@ -92,6 +93,23 @@ static struct cool_dev *get_cool_dev_by_node(struct platform_device *pdev,
        return NULL;
 }
 
+static struct cool_dev *get_gcool_dev_by_node(struct meson_cooldev *mgcooldev,
+                                               struct device_node *np)
+{
+       int i;
+       struct cool_dev *dev;
+
+       if (!np)
+               return NULL;
+       for (i = 0; i < mgcooldev->cool_dev_num; i++) {
+               dev = &mgcooldev->cool_devs[i];
+               if (dev->np == np)
+                       return dev;
+       }
+       return NULL;
+}
+
+
 static int meson_set_min_status(struct thermal_cooling_device *cdev,
                                unsigned long min_state)
 {
@@ -136,6 +154,48 @@ end:
        return err;
 }
 
+int meson_gcooldev_min_update(struct thermal_cooling_device *cdev)
+{
+       struct gpufreq_cooling_device *gf_cdev;
+       struct gpucore_cooling_device *gc_cdev;
+       //struct device_node *parent;
+       struct cool_dev *cool = NULL;
+       long min_state;
+       int ret;
+
+       cool = get_gcool_dev_by_node(meson_gcooldev, cdev->np);
+       if (!cool)
+               return -ENODEV;
+
+       if (cool->cooling_dev == NULL)
+               cool->cooling_dev = cdev;
+
+       if (cool->min_state == 0)
+               return 0;
+
+       switch (get_cool_dev_type(cool->device_type)) {
+       case COOL_DEV_TYPE_GPU_CORE:
+               gc_cdev = (struct gpucore_cooling_device *)cdev->devdata;
+               cdev->ops->get_max_state(cdev, &min_state);
+               min_state = min_state - cool->min_state;
+               break;
+
+       case COOL_DEV_TYPE_GPU_FREQ:
+               gf_cdev = (struct gpufreq_cooling_device *)cdev->devdata;
+               min_state = gf_cdev->get_gpu_freq_level(cool->min_state);
+               break;
+
+       default:
+               return -EINVAL;
+       }
+
+       ret = meson_set_min_status(cdev, min_state);
+       if (!ret)
+               pr_info("meson_cdev set min sussces\n");
+       return 0;
+}
+EXPORT_SYMBOL(meson_gcooldev_min_update);
+
 int meson_cooldev_min_update(struct platform_device *pdev, int index)
 {
        struct meson_cooldev *mcooldev = platform_get_drvdata(pdev);
@@ -147,6 +207,8 @@ int meson_cooldev_min_update(struct platform_device *pdev, int index)
        int ret;
        int cpu, c_id;
 
+       /*save pdev for mali ko api*/
+       meson_gcooldev = platform_get_drvdata(pdev);
        cool = get_cool_dev_by_node(pdev, cdev->np);
        if (!cool)
                return -ENODEV;

diff --git a/include/linux/amlogic/meson_cooldev.h b/include/linux/amlogic/meson_cooldev.h
new file mode 100644 (file)
index 0000000..bee2582
--- /dev/null
+++ b/include/linux/amlogic/meson_cooldev.h
@@ -0,0 +1,28 @@
+/*
+ * include/linux/amlogic/meson_cooldev.h
+ *
+ * Copyright (C) 2017 Amlogic, Inc. All rights reserved.
+ *
+ * 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.
+ *
+ */
+
+#ifndef __MESON_COOLDEV_H__
+#define __MESON_COOLDEV_H__
+
+#ifndef mc_capable
+#define mc_capable()           0
+#endif
+
+struct thermal_cooling_device;
+extern int meson_gcooldev_min_update(struct thermal_cooling_device *cdev);
+#endif
+