diff options
Diffstat (limited to 'drivers/gpu/mali400/r3p2/mali/common/mali_hw_core.h')
| -rw-r--r-- | drivers/gpu/mali400/r3p2/mali/common/mali_hw_core.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/drivers/gpu/mali400/r3p2/mali/common/mali_hw_core.h b/drivers/gpu/mali400/r3p2/mali/common/mali_hw_core.h new file mode 100644 index 0000000..e687f60 --- /dev/null +++ b/drivers/gpu/mali400/r3p2/mali/common/mali_hw_core.h @@ -0,0 +1,104 @@ +/* + * 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 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__ */ |