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_version { 36 unsigned int date; 37 unsigned int month; 38 unsigned int year; 39 unsigned int interface_version; 40 }; 41 42 struct dmcu { 43 struct dc_context *ctx; 44 const struct dmcu_funcs *funcs; 45 46 enum dmcu_state dmcu_state; 47 struct dmcu_version dmcu_version; 48 unsigned int cached_wait_loop_number; 49 }; 50 51 struct dmcu_funcs { 52 bool (*dmcu_init)(struct dmcu *dmcu); 53 bool (*load_iram)(struct dmcu *dmcu, 54 unsigned int start_offset, 55 const char *src, 56 unsigned int bytes); 57 void (*set_psr_enable)(struct dmcu *dmcu, bool enable, bool wait); 58 bool (*setup_psr)(struct dmcu *dmcu, 59 struct dc_link *link, 60 struct psr_context *psr_context); 61 void (*get_psr_state)(struct dmcu *dmcu, uint32_t *psr_state); 62 void (*set_psr_wait_loop)(struct dmcu *dmcu, 63 unsigned int wait_loop_number); 64 void (*get_psr_wait_loop)(struct dmcu *dmcu, 65 unsigned int *psr_wait_loop_number); 66 bool (*is_dmcu_initialized)(struct dmcu *dmcu); 67 }; 68 69 #endif 70