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/*
* 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.
*/
#ifndef __MALI_HW_CORE_H__
#define __MALI_HW_CORE_H__
#include "mali_osk.h"
#include "mali_kernel_common.h"
/**
* The common parts for all Mali HW cores (GP, PP, MMU, L2 and PMU)
* This struct is embedded inside all core specific structs.
*/
struct mali_hw_core {
u32 phys_addr; /**< Physical address of the registers */
u32 phys_offset; /**< Offset from start of Mali to registers */
u32 size; /**< Size of registers */
mali_io_address mapped_registers; /**< Virtual mapping of the registers */
const char* description; /**< Name of unit (as specified in device configuration) */
};
#define MALI_REG_POLL_COUNT_FAST 1000
#define MALI_REG_POLL_COUNT_SLOW 1000000
_mali_osk_errcode_t mali_hw_core_create(struct mali_hw_core *core, const _mali_osk_resource_t *resource, u32 reg_size);
void mali_hw_core_delete(struct mali_hw_core *core);
MALI_STATIC_INLINE u32 mali_hw_core_register_read(struct mali_hw_core *core, u32 relative_address)
{
u32 read_val;
read_val = _mali_osk_mem_ioread32(core->mapped_registers, relative_address);
MALI_DEBUG_PRINT(6, ("register_read for core %s, relative addr=0x%04X, val=0x%08X\n",
core->description, relative_address, read_val));
return read_val;
}
MALI_STATIC_INLINE void mali_hw_core_register_write_relaxed(struct mali_hw_core *core, u32 relative_address, u32 new_val)
{
MALI_DEBUG_PRINT(6, ("register_write_relaxed for core %s, relative addr=0x%04X, val=0x%08X\n",
core->description, relative_address, new_val));
_mali_osk_mem_iowrite32_relaxed(core->mapped_registers, relative_address, new_val);
}
/* Conditionally write a register.
* The register will only be written if the new value is different from the old_value.
* If the new value is different, the old value will also be updated */
MALI_STATIC_INLINE void mali_hw_core_register_write_relaxed_conditional(struct mali_hw_core *core, u32 relative_address, u32 new_val, const u32 old_val)
{
MALI_DEBUG_PRINT(6, ("register_write_relaxed for core %s, relative addr=0x%04X, val=0x%08X\n",
core->description, relative_address, new_val));
if(old_val != new_val) {
_mali_osk_mem_iowrite32_relaxed(core->mapped_registers, relative_address, new_val);
}
}
MALI_STATIC_INLINE void mali_hw_core_register_write(struct mali_hw_core *core, u32 relative_address, u32 new_val)
{
MALI_DEBUG_PRINT(6, ("register_write for core %s, relative addr=0x%04X, val=0x%08X\n",
core->description, relative_address, new_val));
_mali_osk_mem_iowrite32(core->mapped_registers, relative_address, new_val);
}
MALI_STATIC_INLINE void mali_hw_core_register_write_array_relaxed(struct mali_hw_core *core, u32 relative_address, u32 *write_array, u32 nr_of_regs)
{
u32 i;
MALI_DEBUG_PRINT(6, ("register_write_array: for core %s, relative addr=0x%04X, nr of regs=%u\n",
core->description,relative_address, nr_of_regs));
/* Do not use burst writes against the registers */
for (i = 0; i< nr_of_regs; i++) {
mali_hw_core_register_write_relaxed(core, relative_address + i*4, write_array[i]);
}
}
/* Conditionally write a set of registers.
* The register will only be written if the new value is different from the old_value.
* If the new value is different, the old value will also be updated */
MALI_STATIC_INLINE void mali_hw_core_register_write_array_relaxed_conditional(struct mali_hw_core *core, u32 relative_address, u32 *write_array, u32 nr_of_regs, const u32* old_array)
{
u32 i;
MALI_DEBUG_PRINT(6, ("register_write_array: for core %s, relative addr=0x%04X, nr of regs=%u\n",
core->description,relative_address, nr_of_regs));
/* Do not use burst writes against the registers */
for (i = 0; i< nr_of_regs; i++) {
if(old_array[i] != write_array[i]) {
mali_hw_core_register_write_relaxed(core, relative_address + i*4, write_array[i]);
}
}
}
#endif /* __MALI_HW_CORE_H__ */
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