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path: root/drivers/gpu/mali400/r3p2/mali/common/mali_hw_core.c
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Diffstat (limited to 'drivers/gpu/mali400/r3p2/mali/common/mali_hw_core.c')
-rw-r--r--drivers/gpu/mali400/r3p2/mali/common/mali_hw_core.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/gpu/mali400/r3p2/mali/common/mali_hw_core.c b/drivers/gpu/mali400/r3p2/mali/common/mali_hw_core.c
new file mode 100644
index 0000000..c3a9c8b
--- /dev/null
+++ b/drivers/gpu/mali400/r3p2/mali/common/mali_hw_core.c
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2011-2012 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 "mali_hw_core.h"
+#include "mali_osk.h"
+#include "mali_kernel_common.h"
+
+_mali_osk_errcode_t mali_hw_core_create(struct mali_hw_core *core, const _mali_osk_resource_t *resource, u32 reg_size)
+{
+ core->phys_addr = resource->base;
+ core->description = resource->description;
+ core->size = reg_size;
+
+ if (_MALI_OSK_ERR_OK == _mali_osk_mem_reqregion(core->phys_addr, core->size, core->description))
+ {
+ core->mapped_registers = _mali_osk_mem_mapioregion(core->phys_addr, core->size, core->description);
+ if (NULL != core->mapped_registers)
+ {
+ return _MALI_OSK_ERR_OK;
+ }
+ else
+ {
+ MALI_PRINT_ERROR(("Failed to map memory region for core %s at phys_addr 0x%08X\n", core->description, core->phys_addr));
+ }
+ _mali_osk_mem_unreqregion(core->phys_addr, core->size);
+ }
+ else
+ {
+ MALI_PRINT_ERROR(("Failed to request memory region for core %s at phys_addr 0x%08X\n", core->description, core->phys_addr));
+ }
+
+ return _MALI_OSK_ERR_FAULT;
+}
+
+void mali_hw_core_delete(struct mali_hw_core *core)
+{
+ _mali_osk_mem_unmapioregion(core->phys_addr, core->size, core->mapped_registers);
+ core->mapped_registers = NULL;
+ _mali_osk_mem_unreqregion(core->phys_addr, core->size);
+}