1*b843c749SSergey Zigachev /* Copyright 2012-15 Advanced Micro Devices, Inc. 2*b843c749SSergey Zigachev * 3*b843c749SSergey Zigachev * Permission is hereby granted, free of charge, to any person obtaining a 4*b843c749SSergey Zigachev * copy of this software and associated documentation files (the "Software"), 5*b843c749SSergey Zigachev * to deal in the Software without restriction, including without limitation 6*b843c749SSergey Zigachev * the rights to use, copy, modify, merge, publish, distribute, sublicense, 7*b843c749SSergey Zigachev * and/or sell copies of the Software, and to permit persons to whom the 8*b843c749SSergey Zigachev * Software is furnished to do so, subject to the following conditions: 9*b843c749SSergey Zigachev * 10*b843c749SSergey Zigachev * The above copyright notice and this permission notice shall be included in 11*b843c749SSergey Zigachev * all copies or substantial portions of the Software. 12*b843c749SSergey Zigachev * 13*b843c749SSergey Zigachev * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14*b843c749SSergey Zigachev * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15*b843c749SSergey Zigachev * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 16*b843c749SSergey Zigachev * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 17*b843c749SSergey Zigachev * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 18*b843c749SSergey Zigachev * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 19*b843c749SSergey Zigachev * OTHER DEALINGS IN THE SOFTWARE. 20*b843c749SSergey Zigachev * 21*b843c749SSergey Zigachev * Authors: AMD 22*b843c749SSergey Zigachev * 23*b843c749SSergey Zigachev */ 24*b843c749SSergey Zigachev 25*b843c749SSergey Zigachev #ifndef __DC_DMCU_H__ 26*b843c749SSergey Zigachev #define __DC_DMCU_H__ 27*b843c749SSergey Zigachev 28*b843c749SSergey Zigachev #include "dm_services_types.h" 29*b843c749SSergey Zigachev 30*b843c749SSergey Zigachev enum dmcu_state { 31*b843c749SSergey Zigachev DMCU_NOT_INITIALIZED = 0, 32*b843c749SSergey Zigachev DMCU_RUNNING = 1 33*b843c749SSergey Zigachev }; 34*b843c749SSergey Zigachev 35*b843c749SSergey Zigachev struct dmcu { 36*b843c749SSergey Zigachev struct dc_context *ctx; 37*b843c749SSergey Zigachev const struct dmcu_funcs *funcs; 38*b843c749SSergey Zigachev 39*b843c749SSergey Zigachev enum dmcu_state dmcu_state; 40*b843c749SSergey Zigachev struct dmcu_version dmcu_version; 41*b843c749SSergey Zigachev unsigned int cached_wait_loop_number; 42*b843c749SSergey Zigachev }; 43*b843c749SSergey Zigachev 44*b843c749SSergey Zigachev struct dmcu_funcs { 45*b843c749SSergey Zigachev bool (*dmcu_init)(struct dmcu *dmcu); 46*b843c749SSergey Zigachev bool (*load_iram)(struct dmcu *dmcu, 47*b843c749SSergey Zigachev unsigned int start_offset, 48*b843c749SSergey Zigachev const char *src, 49*b843c749SSergey Zigachev unsigned int bytes); 50*b843c749SSergey Zigachev void (*set_psr_enable)(struct dmcu *dmcu, bool enable, bool wait); 51*b843c749SSergey Zigachev bool (*setup_psr)(struct dmcu *dmcu, 52*b843c749SSergey Zigachev struct dc_link *link, 53*b843c749SSergey Zigachev struct psr_context *psr_context); 54*b843c749SSergey Zigachev void (*get_psr_state)(struct dmcu *dmcu, uint32_t *psr_state); 55*b843c749SSergey Zigachev void (*set_psr_wait_loop)(struct dmcu *dmcu, 56*b843c749SSergey Zigachev unsigned int wait_loop_number); 57*b843c749SSergey Zigachev void (*get_psr_wait_loop)(struct dmcu *dmcu, 58*b843c749SSergey Zigachev unsigned int *psr_wait_loop_number); 59*b843c749SSergey Zigachev bool (*is_dmcu_initialized)(struct dmcu *dmcu); 60*b843c749SSergey Zigachev }; 61*b843c749SSergey Zigachev 62*b843c749SSergey Zigachev #endif 63