1 files changed, 287 insertions, 0 deletions
diff --git a/drivers/gpu/mali400/r3p2/mali/linux/mali_osk_profiling.c b/drivers/gpu/mali400/r3p2/mali/linux/mali_osk_profiling.c
new file mode 100644
index 0000000..5429329
--- /dev/null
+++ b/drivers/gpu/mali400/r3p2/mali/linux/mali_osk_profiling.c
@@ -0,0 +1,287 @@
+/*
+ * Copyright (C) 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.
+ */
+
+#include <linux/module.h>
+
+#include <mali_profiling_gator_api.h>
+#include "mali_kernel_common.h"
+#include "mali_osk.h"
+#include "mali_ukk.h"
+#include "mali_uk_types.h"
+#include "mali_osk_profiling.h"
+#include "mali_linux_trace.h"
+#include "mali_gp.h"
+#include "mali_pp.h"
+#include "mali_pp_scheduler.h"
+#include "mali_l2_cache.h"
+#include "mali_user_settings_db.h"
+
+_mali_osk_errcode_t _mali_osk_profiling_init(mali_bool auto_start)
+{
+	if (MALI_TRUE == auto_start)
+	{
+		mali_set_user_setting(_MALI_UK_USER_SETTING_SW_EVENTS_ENABLE, MALI_TRUE);
+	}
+
+	return _MALI_OSK_ERR_OK;
+}
+
+void _mali_osk_profiling_term(void)
+{
+	/* Nothing to do */
+}
+
+_mali_osk_errcode_t _mali_osk_profiling_start(u32 * limit)
+{
+	/* Nothing to do */
+	return _MALI_OSK_ERR_OK;
+}
+
+_mali_osk_errcode_t _mali_osk_profiling_stop(u32 *count)
+{
+	/* Nothing to do */
+	return _MALI_OSK_ERR_OK;
+}
+
+u32 _mali_osk_profiling_get_count(void)
+{
+	return 0;
+}
+
+_mali_osk_errcode_t _mali_osk_profiling_get_event(u32 index, u64* timestamp, u32* event_id, u32 data[5])
+{
+	/* Nothing to do */
+	return _MALI_OSK_ERR_OK;
+}
+
+_mali_osk_errcode_t _mali_osk_profiling_clear(void)
+{
+	/* Nothing to do */
+	return _MALI_OSK_ERR_OK;
+}
+
+mali_bool _mali_osk_profiling_is_recording(void)
+{
+	return MALI_FALSE;
+}
+
+mali_bool _mali_osk_profiling_have_recording(void)
+{
+	return MALI_FALSE;
+}
+
+void _mali_osk_profiling_report_sw_counters(u32 *counters)
+{
+	trace_mali_sw_counters(_mali_osk_get_pid(), _mali_osk_get_tid(), NULL, counters);
+}
+
+
+_mali_osk_errcode_t _mali_ukk_profiling_start(_mali_uk_profiling_start_s *args)
+{
+	return _mali_osk_profiling_start(&args->limit);
+}
+
+_mali_osk_errcode_t _mali_ukk_profiling_add_event(_mali_uk_profiling_add_event_s *args)
+{
+	/* Always add process and thread identificator in the first two data elements for events from user space */
+	_mali_osk_profiling_add_event(args->event_id, _mali_osk_get_pid(), _mali_osk_get_tid(), args->data[2], args->data[3], args->data[4]);
+
+	return _MALI_OSK_ERR_OK;
+}
+
+_mali_osk_errcode_t _mali_ukk_profiling_stop(_mali_uk_profiling_stop_s *args)
+{
+	return _mali_osk_profiling_stop(&args->count);
+}
+
+_mali_osk_errcode_t _mali_ukk_profiling_get_event(_mali_uk_profiling_get_event_s *args)
+{
+	return _mali_osk_profiling_get_event(args->index, &args->timestamp, &args->event_id, args->data);
+}
+
+_mali_osk_errcode_t _mali_ukk_profiling_clear(_mali_uk_profiling_clear_s *args)
+{
+	return _mali_osk_profiling_clear();
+}
+
+_mali_osk_errcode_t _mali_ukk_sw_counters_report(_mali_uk_sw_counters_report_s *args)
+{
+	_mali_osk_profiling_report_sw_counters(args->counters);
+	return _MALI_OSK_ERR_OK;
+}
+
+/**
+ * Called by gator.ko to set HW counters
+ *
+ * @param counter_id The counter ID.
+ * @param event_id Event ID that the counter should count (HW counter value from TRM).
+ * 
+ * @return 1 on success, 0 on failure.
+ */
+int _mali_profiling_set_event(u32 counter_id, s32 event_id)
+{
+	if (COUNTER_VP_0_C0 == counter_id)
+	{
+		if (MALI_TRUE == mali_gp_job_set_gp_counter_src0(event_id))
+		{
+			return 1;
+		}
+	}
+
+	if (COUNTER_VP_0_C1 == counter_id)
+	{
+		if (MALI_TRUE == mali_gp_job_set_gp_counter_src1(event_id))
+		{
+			return 1;
+		}
+	}
+
+	if (COUNTER_FP_0_C0 == counter_id)
+	{
+		if (MALI_TRUE == mali_pp_job_set_pp_counter_src0(event_id))
+		{
+			return 1;
+		}
+	}
+
+	if (COUNTER_FP_0_C1 == counter_id)
+	{
+		if (MALI_TRUE == mali_pp_job_set_pp_counter_src1(event_id))
+		{
+			return 1;
+		}
+	}
+
+	if (COUNTER_L2_0_C0 <= counter_id && COUNTER_L2_2_C1 >= counter_id)
+	{
+		u32 core_id = (counter_id - COUNTER_L2_0_C0) >> 1;
+		struct mali_l2_cache_core* l2_cache_core = mali_l2_cache_core_get_glob_l2_core(core_id);
+
+		if (NULL != l2_cache_core)
+		{
+			u32 counter_src = (counter_id - COUNTER_L2_0_C0) & 1;
+			if (0 == counter_src)
+			{
+				if (MALI_TRUE == mali_l2_cache_core_set_counter_src0(l2_cache_core, event_id))
+				{
+					return 1;
+				}
+			}
+			else
+			{
+				if (MALI_TRUE == mali_l2_cache_core_set_counter_src1(l2_cache_core, event_id))
+				{
+					return 1;
+				}
+			}
+		}
+	}
+
+	return 0;
+}
+
+/**
+ * Called by gator.ko to retrieve the L2 cache counter values for all L2 cache cores.
+ * The L2 cache counters are unique in that they are polled by gator, rather than being
+ * transmitted via the tracepoint mechanism.
+ *
+ * @param values Pointer to a _mali_profiling_l2_counter_values structure where
+ *               the counter sources and values will be output
+ * @return 0 if all went well; otherwise, return the mask with the bits set for the powered off cores
+ */
+u32 _mali_profiling_get_l2_counters(_mali_profiling_l2_counter_values *values)
+{
+	struct mali_l2_cache_core *l2_cache;
+	u32 l2_cores_num = mali_l2_cache_core_get_glob_num_l2_cores();
+	u32 i;
+	u32 ret = 0;
+
+	MALI_DEBUG_ASSERT(l2_cores_num <= 3);
+
+	for (i = 0; i < l2_cores_num; i++)
+	{
+		l2_cache = mali_l2_cache_core_get_glob_l2_core(i);
+
+		if (NULL == l2_cache)
+		{
+			continue;
+		}
+
+		if (MALI_TRUE == mali_l2_cache_lock_power_state(l2_cache))
+		{
+			/* It is now safe to access the L2 cache core in order to retrieve the counters */
+			mali_l2_cache_core_get_counter_values(l2_cache,
+							      &values->cores[i].source0,
+							      &values->cores[i].value0,
+							      &values->cores[i].source1,
+							      &values->cores[i].value1);
+		}
+		else
+		{
+			/* The core was not available, set the right bit in the mask. */
+			ret |= (1 << i);
+		}
+		mali_l2_cache_unlock_power_state(l2_cache);
+	}
+
+	return ret;
+}
+
+/**
+ * Called by gator to control the production of profiling information at runtime.
+ */
+void _mali_profiling_control(u32 action, u32 value)
+{
+	switch(action)
+	{
+	case FBDUMP_CONTROL_ENABLE:
+		mali_set_user_setting(_MALI_UK_USER_SETTING_COLORBUFFER_CAPTURE_ENABLED, (value == 0 ? MALI_FALSE : MALI_TRUE));
+		break;
+	case FBDUMP_CONTROL_RATE:
+		mali_set_user_setting(_MALI_UK_USER_SETTING_BUFFER_CAPTURE_N_FRAMES, value);
+		break;
+	case SW_COUNTER_ENABLE:
+		mali_set_user_setting(_MALI_UK_USER_SETTING_SW_COUNTER_ENABLED, value);
+		break;
+	case FBDUMP_CONTROL_RESIZE_FACTOR:
+		mali_set_user_setting(_MALI_UK_USER_SETTING_BUFFER_CAPTURE_RESIZE_FACTOR, value);
+		break;
+	default:
+		break;	/* Ignore unimplemented actions */
+	}
+}
+
+/**
+ * Called by gator to get mali api version.
+ */
+u32 _mali_profiling_get_api_version(void)
+{
+	return MALI_PROFILING_API_VERSION;
+}
+
+/**
+* Called by gator to get the data about Mali instance in use:
+* product id, version, number of cores
+*/
+void _mali_profiling_get_mali_version(struct _mali_profiling_mali_version *values)
+{
+	values->mali_product_id = (u32)mali_kernel_core_get_product_id();
+	values->mali_version_major = mali_kernel_core_get_gpu_major_version();
+	values->mali_version_minor = mali_kernel_core_get_gpu_minor_version();
+	values->num_of_l2_cores = mali_l2_cache_core_get_glob_num_l2_cores();
+	values->num_of_fp_cores = mali_pp_scheduler_get_num_cores_total();
+	values->num_of_vp_cores = 1;
+}
+
+EXPORT_SYMBOL(_mali_profiling_set_event);
+EXPORT_SYMBOL(_mali_profiling_get_l2_counters);
+EXPORT_SYMBOL(_mali_profiling_control);
+EXPORT_SYMBOL(_mali_profiling_get_api_version);
+EXPORT_SYMBOL(_mali_profiling_get_mali_version);