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