diff options
Diffstat (limited to 'msm8909/sdm/libs/core/fb/hw_info.h')
| -rw-r--r-- | msm8909/sdm/libs/core/fb/hw_info.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/msm8909/sdm/libs/core/fb/hw_info.h b/msm8909/sdm/libs/core/fb/hw_info.h new file mode 100644 index 00000000..cbceba06 --- /dev/null +++ b/msm8909/sdm/libs/core/fb/hw_info.h @@ -0,0 +1,81 @@ +/* +* Copyright (c) 2015 - 2017, The Linux Foundation. All rights reserved. +* +* Redistribution and use in source and binary forms, with or without modification, are permitted +* provided that the following conditions are met: +* * Redistributions of source code must retain the above copyright notice, this list of +* conditions and the following disclaimer. +* * Redistributions in binary form must reproduce the above copyright notice, this list of +* conditions and the following disclaimer in the documentation and/or other materials provided +* with the distribution. +* * Neither the name of The Linux Foundation nor the names of its contributors may be used to +* endorse or promote products derived from this software without specific prior written +* permission. +* +* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE +* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; +* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, +* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#ifndef __HW_INFO_H__ +#define __HW_INFO_H__ + +#include <core/sdm_types.h> +#include <core/core_interface.h> +#include <private/hw_info_types.h> +#include <linux/msm_mdp.h> +#include <bitset> + +#include "hw_info_interface.h" + +#ifndef MDP_IMGTYPE_END +#define MDP_IMGTYPE_LIMIT1 0x100 +#endif + +namespace sdm { + +class HWInfo: public HWInfoInterface { + public: + virtual ~HWInfo() { delete hw_resource_; } + virtual DisplayError GetHWResourceInfo(HWResourceInfo *hw_resource); + virtual DisplayError GetFirstDisplayInterfaceType(HWDisplayInterfaceInfo *hw_disp_info); + + private: + virtual DisplayError GetHWRotatorInfo(HWResourceInfo *hw_resource); + virtual DisplayError GetMDSSRotatorInfo(HWResourceInfo *hw_resource); + virtual DisplayError GetV4L2RotatorInfo(HWResourceInfo *hw_resource); + + // TODO(user): Read Mdss version from the driver + static const int kHWMdssVersion5 = 500; // MDSS_V5 + static const int kMaxStringLength = 1024; + // MDP Capabilities are replicated across all frame buffer devices. + // However, we rely on reading the capabalities from fbO since this + // is guaranteed to be available. + static const int kHWCapabilitiesNode = 0; + static const std::bitset<8> kDefaultFormatSupport[kHWSubBlockMax][ + BITS_TO_BYTES(MDP_IMGTYPE_LIMIT1)]; + static constexpr const char *kRotatorCapsPath = "/sys/devices/virtual/rotator/mdss_rotator/caps"; + static constexpr const char *kBWModeBitmap + = "/sys/devices/virtual/graphics/fb0/mdp/bw_mode_bitmap"; + + static int ParseString(const char *input, char *tokens[], const uint32_t max_token, + const char *delim, uint32_t *count); + DisplayError GetDynamicBWLimits(HWResourceInfo *hw_resource); + LayerBufferFormat GetSDMFormat(int mdp_format); + void InitSupportedFormatMap(HWResourceInfo *hw_resource); + void ParseFormats(char *tokens[], uint32_t token_count, HWSubBlockType sub_block_type, + HWResourceInfo *hw_resource); + void PopulateSupportedFormatMap(const std::bitset<8> *format_supported, uint32_t format_count, + HWSubBlockType sub_blk_type, HWResourceInfo *hw_resource); + HWResourceInfo *hw_resource_ = NULL; +}; + +} // namespace sdm + +#endif // __HW_INFO_H__ + |