/* Copyright 2012-15 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: AMD
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*
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*/
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#ifndef __DC_DMCU_H__
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#define __DC_DMCU_H__
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#include "dm_services_types.h"
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/* If HW itself ever powered down it will be 0.
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* fwDmcuInit will write to 1.
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* Driver will only call MCP init if current state is 1,
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* and the MCP command will transition this to 2.
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*/
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enum dmcu_state {
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DMCU_UNLOADED = 0,
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DMCU_LOADED_UNINITIALIZED = 1,
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DMCU_RUNNING = 2,
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};
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struct dmcu_version {
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unsigned int interface_version;
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unsigned int abm_version;
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unsigned int psr_version;
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unsigned int build_version;
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};
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struct dmcu {
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struct dc_context *ctx;
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const struct dmcu_funcs *funcs;
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enum dmcu_state dmcu_state;
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struct dmcu_version dmcu_version;
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unsigned int cached_wait_loop_number;
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uint32_t psp_version;
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bool auto_load_dmcu;
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};
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struct dmcu_funcs {
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bool (*dmcu_init)(struct dmcu *dmcu);
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bool (*load_iram)(struct dmcu *dmcu,
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unsigned int start_offset,
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const char *src,
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unsigned int bytes);
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void (*set_psr_enable)(struct dmcu *dmcu, bool enable, bool wait);
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bool (*setup_psr)(struct dmcu *dmcu,
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struct dc_link *link,
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struct psr_context *psr_context);
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void (*get_psr_state)(struct dmcu *dmcu, uint32_t *psr_state);
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void (*set_psr_wait_loop)(struct dmcu *dmcu,
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unsigned int wait_loop_number);
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void (*get_psr_wait_loop)(struct dmcu *dmcu,
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unsigned int *psr_wait_loop_number);
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bool (*is_dmcu_initialized)(struct dmcu *dmcu);
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bool (*lock_phy)(struct dmcu *dmcu);
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bool (*unlock_phy)(struct dmcu *dmcu);
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};
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#endif
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