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/*
* Copyright 2012-15 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Najeeb Ahmed
*
*/
#ifndef __DAL_TM_SUBSETS_CACHE__
#define __DAL_TM_SUBSETS_CACHE__
/* internal consts*/
enum {
MAPPING_NOT_SET = 0xFFFF
};
enum cache_query_result {
CQR_UNKNOWN = 0,
CQR_NOT_SUPPORTED,
CQR_SUPPORTED,
CQR_DP_MAPPING_NOT_VALID,
};
/* forward declarations */
struct dal_context;
struct tm_subsets_cache {
struct dal_context *dal_context;
uint32_t *cofunc_cache;
uint32_t *dp2_cache_mapping;
uint32_t *cache_2dp_mapping;
uint32_t cofunc_cache_single;
uint32_t cofunc_cache_single_valid;
uint32_t connected;
uint32_t num_connected;
uint32_t num_cur_cached_paths;
/* for robustness purposes to assure
* computed index isn't out of bounds
*/
uint32_t max_num_combinations;
enum cache_query_result all_connected_supported;
/* these two are board specific,
* should not change during executable runtime
*/
uint32_t num_display_paths;
uint32_t max_num_cofunc_targets;
/* performance enhancing helper*/
uint32_t *binom_coeffs;
};
struct tm_subsets_cache *dal_tm_subsets_cache_create(
struct dal_context *dal_context,
uint32_t num_of_display_paths,
uint32_t max_num_of_cofunc_paths,
uint32_t num_of_func_controllers);
void dal_tm_subsets_cache_destroy(
struct tm_subsets_cache **tm_subsets_cache);
uint32_t dal_get_num_of_combinations(
struct tm_subsets_cache *tm_subsets_cache);
void dal_invalidate_subsets_cache(
struct tm_subsets_cache *tm_subset_cache,
bool singles_too);
enum cache_query_result dal_is_subset_supported(
struct tm_subsets_cache *tm_subset_cache,
const uint32_t *displays,
uint32_t array_size);
void dal_set_subset_supported(
struct tm_subsets_cache *tm_subset_cache,
const uint32_t *displays,
uint32_t array_size,
bool supported);
void dal_update_display_mapping(
struct tm_subsets_cache *tm_subset_cache,
const uint32_t display_index,
bool connected);
#endif /*__DAL_TM_SUBSETS_CACHE_H__*/
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