1 files changed, 153 insertions, 0 deletions
diff --git a/drivers/media/video/samsung/mali/platform/mali_platform.h b/drivers/media/video/samsung/mali/platform/mali_platform.h
new file mode 100644
index 0000000..888f57a
--- /dev/null
+++ b/drivers/media/video/samsung/mali/platform/mali_platform.h
@@ -0,0 +1,153 @@
+/*
+ * Copyright (C) 2010-2012 ARM Limited. All rights reserved.
+ * 
+ * This program is free software and is provided to you under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence.
+ * 
+ * A copy of the licence is included with the program, and can also be obtained from Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+/**
+ * @file mali_platform.h
+ * Platform specific Mali driver functions
+ */
+
+#ifndef __MALI_PLATFORM_H__
+#define __MALI_PLATFORM_H__
+
+#include "mali_osk.h"
+
+#ifdef CONFIG_CPU_EXYNOS4210
+#define MALI_DVFS_STEPS 3
+#else
+#define MALI_DVFS_STEPS 5
+#endif
+
+/* @Enable or Disable Mali GPU Bottom Lock feature */
+#define MALI_GPU_BOTTOM_LOCK 1
+
+#define MALI_VOLTAGE_LOCK 1
+
+/* @Enable or Disable the CPU frequency lock when the GPU clock is 440 Mhz */
+#define CPUFREQ_LOCK_DURING_440 0
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** @brief description of power change reasons
+ */
+typedef enum mali_power_mode_tag
+{
+	MALI_POWER_MODE_ON,           /**< Power Mali on */
+	MALI_POWER_MODE_LIGHT_SLEEP,  /**< Mali has been idle for a short time, or runtime PM suspend */
+	MALI_POWER_MODE_DEEP_SLEEP,   /**< Mali has been idle for a long time, or OS suspend */
+} mali_power_mode;
+
+/** @brief Platform specific setup and initialisation of MALI
+ *
+ * This is called from the entrypoint of the driver to initialize the platform
+ *
+ * @return _MALI_OSK_ERR_OK on success otherwise, a suitable _mali_osk_errcode_t error.
+ */
+_mali_osk_errcode_t mali_platform_init(void);
+
+/** @brief Platform specific deinitialisation of MALI
+ *
+ * This is called on the exit of the driver to terminate the platform
+ *
+ * @return _MALI_OSK_ERR_OK on success otherwise, a suitable _mali_osk_errcode_t error.
+ */
+_mali_osk_errcode_t mali_platform_deinit(void);
+
+/** @brief Platform specific powerdown sequence of MALI
+ *
+ * Notification from the Mali device driver stating the new desired power mode.
+ * MALI_POWER_MODE_ON must be obeyed, while the other modes are optional.
+ * @param power_mode defines the power modes
+ * @return _MALI_OSK_ERR_OK on success otherwise, a suitable _mali_osk_errcode_t error.
+ */
+_mali_osk_errcode_t mali_platform_power_mode_change(mali_power_mode power_mode);
+
+
+/** @brief Platform specific handling of GPU utilization data
+ *
+ * When GPU utilization data is enabled, this function will be
+ * periodically called.
+ *
+ * @param utilization The workload utilization of the Mali GPU. 0 = no utilization, 256 = full utilization.
+ */
+void mali_gpu_utilization_handler(u32 utilization);
+
+/** @brief Setting the power domain of MALI
+ *
+ * This function sets the power domain of MALI if Linux run time power management is enabled
+ *
+ * @param dev Reference to struct platform_device (defined in linux) used by MALI GPU
+ */
+//void set_mali_parent_power_domain(void* dev);
+void mali_utilization_suspend(void);
+
+#ifdef CONFIG_REGULATOR
+int mali_regulator_get_usecount(void);
+void mali_regulator_disable(void);
+void mali_regulator_enable(void);
+void mali_regulator_set_voltage(int min_uV, int max_uV);
+#endif
+mali_bool mali_clk_set_rate(unsigned int clk, unsigned int mhz);
+unsigned long mali_clk_get_rate(void);
+void mali_clk_put(mali_bool binc_mali_clk);
+
+#if MALI_PMM_RUNTIME_JOB_CONTROL_ON
+_mali_osk_errcode_t mali_platform_powerdown(u32 cores);
+_mali_osk_errcode_t mali_platform_powerup(u32 cores);
+#endif
+
+
+#if USING_MALI_PMM
+#if MALI_POWER_MGMT_TEST_SUITE
+/** @brief function to get status of individual cores
+ *
+ * This function is used by power management test suite to get the status of powered up/down the number
+ * of cores
+ * @param utilization The workload utilization of the Mali GPU. 0 = no utilization, 256 = full utilization.
+ */
+u32 pmu_get_power_up_down_info(void);
+#endif
+#endif
+
+#if MALI_DVFS_ENABLED
+mali_bool init_mali_dvfs_status(int step);
+void deinit_mali_dvfs_status(void);
+mali_bool mali_dvfs_handler(u32 utilization);
+int mali_dvfs_is_running(void);
+void mali_dvfs_late_resume(void);
+int get_mali_dvfs_control_status(void);
+mali_bool set_mali_dvfs_current_step(unsigned int step);
+void mali_default_step_set(int step, mali_bool boostup);
+int change_dvfs_tableset(int change_clk, int change_step);
+#ifdef CONFIG_CPU_EXYNOS4210
+#if MALI_GPU_BOTTOM_LOCK
+int mali_dvfs_bottom_lock_push(void);
+int mali_dvfs_bottom_lock_pop(void);
+#endif
+#else
+int mali_dvfs_bottom_lock_push(int lock_step);
+int mali_dvfs_bottom_lock_pop(void);
+#endif
+#endif
+
+int mali_dvfs_get_vol(int step);
+
+#if MALI_VOLTAGE_LOCK
+int mali_voltage_lock_push(int lock_vol);
+int mali_voltage_lock_pop(void);
+int mali_voltage_lock_init(void);
+int mali_vol_get_from_table(int vol);
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+#endif