diff options
Diffstat (limited to 'msm8909/sdm/libs/core/fb/hw_info.cpp')
-rw-r--r-- | msm8909/sdm/libs/core/fb/hw_info.cpp | 565 |
1 files changed, 565 insertions, 0 deletions
diff --git a/msm8909/sdm/libs/core/fb/hw_info.cpp b/msm8909/sdm/libs/core/fb/hw_info.cpp new file mode 100644 index 00000000..636acb92 --- /dev/null +++ b/msm8909/sdm/libs/core/fb/hw_info.cpp @@ -0,0 +1,565 @@ +/* +* 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. +*/ + +#include <string.h> +#include <stdio.h> +#include <stdlib.h> +#include <fcntl.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <utils/constants.h> +#include <utils/debug.h> +#include <utils/sys.h> +#include <dlfcn.h> + +#include <algorithm> +#include <iostream> +#include <fstream> +#include <map> +#include <memory> +#include <string> +#include <utility> +#include <vector> + +#include "hw_info.h" + +#define __CLASS__ "HWInfo" + +using std::vector; +using std::map; +using std::string; +using std::fstream; +using std::to_string; + +namespace sdm { + +// kDefaultFormatSupport contains the bit map of supported formats for each hw blocks. +// For eg: if Cursor supports MDP_RGBA_8888[bit-13] and MDP_RGB_565[bit-0], then cursor pipe array +// contains { 0x01[0-3], 0x00[4-7], 0x00[8-12], 0x01[13-16], 0x00[17-20], 0x00[21-24], 0x00[24-28] } +const std::bitset<8> HWInfo::kDefaultFormatSupport[kHWSubBlockMax][ + BITS_TO_BYTES(MDP_IMGTYPE_LIMIT1)] = { + { 0xFF, 0xF5, 0x1C, 0x1E, 0x20, 0xFF, 0x01, 0x00, 0xFE, 0x1F }, // kHWVIGPipe + { 0x33, 0xE0, 0x00, 0x16, 0x00, 0xBF, 0x00, 0x00, 0xFE, 0x07 }, // kHWRGBPipe + { 0x33, 0xE0, 0x00, 0x16, 0x00, 0xBF, 0x00, 0x00, 0xFE, 0x07 }, // kHWDMAPipe + { 0x12, 0x60, 0x0C, 0x00, 0x00, 0x0F, 0x00, 0x00, 0x00, 0x00 }, // kHWCursorPipe + { 0xFF, 0xF5, 0x1C, 0x1E, 0x20, 0xFF, 0x01, 0x00, 0xFE, 0x1F }, // kHWRotatorInput + { 0xFF, 0xF5, 0x1C, 0x1E, 0x20, 0xFF, 0x01, 0x00, 0xFE, 0x1F }, // kHWRotatorOutput + { 0x3F, 0xF4, 0x10, 0x1E, 0x20, 0xFF, 0x01, 0x00, 0xAA, 0x16 }, // kHWWBIntfOutput +}; + +int HWInfo::ParseString(const char *input, char *tokens[], const uint32_t max_token, + const char *delim, uint32_t *count) { + char *tmp_token = NULL; + char *temp_ptr; + uint32_t index = 0; + if (!input) { + return -1; + } + tmp_token = strtok_r(const_cast<char *>(input), delim, &temp_ptr); + while (tmp_token && index < max_token) { + tokens[index++] = tmp_token; + tmp_token = strtok_r(NULL, delim, &temp_ptr); + } + *count = index; + + return 0; +} + +DisplayError HWInfo::GetDynamicBWLimits(HWResourceInfo *hw_resource) { + Sys::fstream fs(kBWModeBitmap, fstream::in); + if (!fs.is_open()) { + DLOGE("File '%s' not found", kBWModeBitmap); + return kErrorHardware; + } + + HWDynBwLimitInfo* bw_info = &hw_resource->dyn_bw_info; + for (int index = 0; index < kBwModeMax; index++) { + bw_info->total_bw_limit[index] = UINT32(hw_resource->max_bandwidth_low); + bw_info->pipe_bw_limit[index] = hw_resource->max_pipe_bw; + } + + uint32_t token_count = 0; + const uint32_t max_count = kBwModeMax; + char *tokens[max_count] = { NULL }; + string line; + while (Sys::getline_(fs, line)) { + if (!ParseString(line.c_str(), tokens, max_count, ":, =\n", &token_count)) { + if (!strncmp(tokens[0], "default_pipe", strlen("default_pipe"))) { + bw_info->pipe_bw_limit[kBwDefault] = UINT32(atoi(tokens[1])); + } else if (!strncmp(tokens[0], "camera_pipe", strlen("camera_pipe"))) { + bw_info->pipe_bw_limit[kBwCamera] = UINT32(atoi(tokens[1])); + } else if (!strncmp(tokens[0], "vflip_pipe", strlen("vflip_pipe"))) { + bw_info->pipe_bw_limit[kBwVFlip] = UINT32(atoi(tokens[1])); + } else if (!strncmp(tokens[0], "hflip_pipe", strlen("hflip_pipe"))) { + bw_info->pipe_bw_limit[kBwHFlip] = UINT32(atoi(tokens[1])); + } else if (!strncmp(tokens[0], "default", strlen("default"))) { + bw_info->total_bw_limit[kBwDefault] = UINT32(atoi(tokens[1])); + } else if (!strncmp(tokens[0], "camera", strlen("camera"))) { + bw_info->total_bw_limit[kBwCamera] = UINT32(atoi(tokens[1])); + } else if (!strncmp(tokens[0], "vflip", strlen("vflip"))) { + bw_info->total_bw_limit[kBwVFlip] = UINT32(atoi(tokens[1])); + } else if (!strncmp(tokens[0], "hflip", strlen("hflip"))) { + bw_info->total_bw_limit[kBwHFlip] = UINT32(atoi(tokens[1])); + } + } + } + + return kErrorNone; +} + +DisplayError HWInfo::GetHWResourceInfo(HWResourceInfo *hw_resource) { + if (hw_resource_) { + *hw_resource = *hw_resource_; + return kErrorNone; + } + string fb_path = "/sys/devices/virtual/graphics/fb" + + to_string(kHWCapabilitiesNode) + "/mdp/caps"; + + Sys::fstream fs(fb_path, fstream::in); + if (!fs.is_open()) { + DLOGE("File '%s' not found", fb_path.c_str()); + return kErrorHardware; + } + + hw_resource_ = new HWResourceInfo; + + InitSupportedFormatMap(hw_resource_); + hw_resource_->hw_version = kHWMdssVersion5; + + uint32_t token_count = 0; + const uint32_t max_count = 256; + char *tokens[max_count] = { NULL }; + string line; + while (Sys::getline_(fs, line)) { + // parse the line and update information accordingly + if (!ParseString(line.c_str(), tokens, max_count, ":, =\n", &token_count)) { + if (!strncmp(tokens[0], "mdp_version", strlen("mdp_version"))) { + hw_resource_->hw_version = UINT32(atoi(tokens[1])); // HW Version 3/5 + } else if (!strncmp(tokens[0], "hw_rev", strlen("hw_rev"))) { + hw_resource_->hw_revision = UINT32(atoi(tokens[1])); // HW Rev, v1/v2 + } else if (!strncmp(tokens[0], "rot_input_fmts", strlen("rot_input_fmts"))) { + ParseFormats(&tokens[1], (token_count - 1), kHWRotatorInput, hw_resource_); + } else if (!strncmp(tokens[0], "rot_output_fmts", strlen("rot_output_fmts"))) { + ParseFormats(&tokens[1], (token_count - 1), kHWRotatorOutput, hw_resource_); + } else if (!strncmp(tokens[0], "wb_output_fmts", strlen("wb_output_fmts"))) { + ParseFormats(&tokens[1], (token_count - 1), kHWWBIntfOutput, hw_resource_); + } else if (!strncmp(tokens[0], "blending_stages", strlen("blending_stages"))) { + hw_resource_->num_blending_stages = UINT8(atoi(tokens[1])); + } else if (!strncmp(tokens[0], "max_downscale_ratio", strlen("max_downscale_ratio"))) { + hw_resource_->max_scale_down = UINT32(atoi(tokens[1])); + } else if (!strncmp(tokens[0], "max_upscale_ratio", strlen("max_upscale_ratio"))) { + hw_resource_->max_scale_up = UINT32(atoi(tokens[1])); + } else if (!strncmp(tokens[0], "rot_dwnscale_max", strlen("rot_dwnscale_max"))) { + hw_resource_->rot_downscale_max = FLOAT(atoi(tokens[1])); + } else if (!strncmp(tokens[0], "max_bandwidth_low", strlen("max_bandwidth_low"))) { + hw_resource_->max_bandwidth_low = UINT64(atol(tokens[1])); + } else if (!strncmp(tokens[0], "max_bandwidth_high", strlen("max_bandwidth_high"))) { + hw_resource_->max_bandwidth_high = UINT64(atol(tokens[1])); + } else if (!strncmp(tokens[0], "max_mixer_width", strlen("max_mixer_width"))) { + hw_resource_->max_mixer_width = UINT32(atoi(tokens[1])); + } else if (!strncmp(tokens[0], "max_pipe_width", strlen("max_pipe_width"))) { + hw_resource_->max_pipe_width = UINT32(atoi(tokens[1])); + } else if (!strncmp(tokens[0], "max_cursor_size", strlen("max_cursor_size"))) { + hw_resource_->max_cursor_size = UINT32(atoi(tokens[1])); + } else if (!strncmp(tokens[0], "max_pipe_bw", strlen("max_pipe_bw"))) { + hw_resource_->max_pipe_bw = UINT32(atoi(tokens[1])); + } else if (!strncmp(tokens[0], "max_mdp_clk", strlen("max_mdp_clk"))) { + hw_resource_->max_sde_clk = UINT32(atoi(tokens[1])); + } else if (!strncmp(tokens[0], "clk_fudge_factor", strlen("clk_fudge_factor"))) { + hw_resource_->clk_fudge_factor = FLOAT(atoi(tokens[1])) / FLOAT(atoi(tokens[2])); + } else if (!strncmp(tokens[0], "fmt_mt_nv12_factor", strlen("fmt_mt_nv12_factor"))) { + hw_resource_->macrotile_nv12_factor = UINT32(atoi(tokens[1])); + } else if (!strncmp(tokens[0], "fmt_mt_factor", strlen("fmt_mt_factor"))) { + hw_resource_->macrotile_factor = UINT32(atoi(tokens[1])); + } else if (!strncmp(tokens[0], "fmt_linear_factor", strlen("fmt_linear_factor"))) { + hw_resource_->linear_factor = UINT32(atoi(tokens[1])); + } else if (!strncmp(tokens[0], "scale_factor", strlen("scale_factor"))) { + hw_resource_->scale_factor = UINT32(atoi(tokens[1])); + } else if (!strncmp(tokens[0], "xtra_ff_factor", strlen("xtra_ff_factor"))) { + hw_resource_->extra_fudge_factor = UINT32(atoi(tokens[1])); + } else if (!strncmp(tokens[0], "amortizable_threshold", strlen("amortizable_threshold"))) { + hw_resource_->amortizable_threshold = UINT32(atoi(tokens[1])); + } else if (!strncmp(tokens[0], "system_overhead_lines", strlen("system_overhead_lines"))) { + hw_resource_->system_overhead_lines = UINT32(atoi(tokens[1])); + } else if (!strncmp(tokens[0], "wb_intf_index", strlen("wb_intf_index"))) { + hw_resource_->writeback_index = UINT32(atoi(tokens[1])); + } else if (!strncmp(tokens[0], "dest_scaler_count", strlen("dest_scaler_count"))) { + hw_resource_->hw_dest_scalar_info.count = UINT32(atoi(tokens[1])); + } else if (!strncmp(tokens[0], "max_dest_scale_up", strlen("max_dest_scale_up"))) { + hw_resource_->hw_dest_scalar_info.max_scale_up = UINT32(atoi(tokens[1])); + } else if (!strncmp(tokens[0], "max_dest_scaler_input_width", + strlen("max_dest_scaler_input_width"))) { + hw_resource_->hw_dest_scalar_info.max_input_width = UINT32(atoi(tokens[1])); + } else if (!strncmp(tokens[0], "max_dest_scaler_output_width", + strlen("max_dest_scaler_output_width"))) { + hw_resource_->hw_dest_scalar_info.max_output_width = UINT32(atoi(tokens[1])); + } else if (!strncmp(tokens[0], "features", strlen("features"))) { + for (uint32_t i = 0; i < token_count; i++) { + if (!strncmp(tokens[i], "bwc", strlen("bwc"))) { + hw_resource_->has_bwc = true; + } else if (!strncmp(tokens[i], "ubwc", strlen("ubwc"))) { + hw_resource_->has_ubwc = true; + } else if (!strncmp(tokens[i], "decimation", strlen("decimation"))) { + hw_resource_->has_decimation = true; + } else if (!strncmp(tokens[i], "tile_format", strlen("tile_format"))) { + hw_resource_->has_macrotile = true; + } else if (!strncmp(tokens[i], "src_split", strlen("src_split"))) { + hw_resource_->is_src_split = true; + } else if (!strncmp(tokens[i], "non_scalar_rgb", strlen("non_scalar_rgb"))) { + hw_resource_->has_non_scalar_rgb = true; + } else if (!strncmp(tokens[i], "perf_calc", strlen("perf_calc"))) { + hw_resource_->perf_calc = true; + } else if (!strncmp(tokens[i], "dynamic_bw_limit", strlen("dynamic_bw_limit"))) { + hw_resource_->has_dyn_bw_support = true; + } else if (!strncmp(tokens[i], "separate_rotator", strlen("separate_rotator"))) { + hw_resource_->separate_rotator = true; + } else if (!strncmp(tokens[i], "qseed3", strlen("qseed3"))) { + hw_resource_->has_qseed3 = true; + } else if (!strncmp(tokens[i], "has_ppp", strlen("has_ppp"))) { + hw_resource_->has_ppp = true; + } else if (!strncmp(tokens[i], "concurrent_writeback", strlen("concurrent_writeback"))) { + hw_resource_->has_concurrent_writeback = true; + } else if (!strncmp(tokens[i], "avr", strlen("avr"))) { + hw_resource_->has_avr = true; + } else if (!strncmp(tokens[i], "hdr", strlen("hdr"))) { + hw_resource_->has_hdr = true; + } + } + } else if (!strncmp(tokens[0], "pipe_count", strlen("pipe_count"))) { + uint32_t pipe_count = UINT8(atoi(tokens[1])); + for (uint32_t i = 0; i < pipe_count; i++) { + Sys::getline_(fs, line); + if (!ParseString(line.c_str(), tokens, max_count, ": =\n", &token_count)) { + HWPipeCaps pipe_caps; + pipe_caps.type = kPipeTypeUnused; + for (uint32_t j = 0; j < token_count; j += 2) { + if (!strncmp(tokens[j], "pipe_type", strlen("pipe_type"))) { + if (!strncmp(tokens[j+1], "vig", strlen("vig"))) { + pipe_caps.type = kPipeTypeVIG; + hw_resource_->num_vig_pipe++; + } else if (!strncmp(tokens[j+1], "rgb", strlen("rgb"))) { + pipe_caps.type = kPipeTypeRGB; + hw_resource_->num_rgb_pipe++; + } else if (!strncmp(tokens[j+1], "dma", strlen("dma"))) { + pipe_caps.type = kPipeTypeDMA; + hw_resource_->num_dma_pipe++; + } else if (!strncmp(tokens[j+1], "cursor", strlen("cursor"))) { + pipe_caps.type = kPipeTypeCursor; + hw_resource_->num_cursor_pipe++; + } + } else if (!strncmp(tokens[j], "pipe_ndx", strlen("pipe_ndx"))) { + pipe_caps.id = UINT32(atoi(tokens[j+1])); + } else if (!strncmp(tokens[j], "rects", strlen("rects"))) { + pipe_caps.max_rects = UINT32(atoi(tokens[j+1])); + } else if (!strncmp(tokens[j], "fmts_supported", strlen("fmts_supported"))) { + char *tokens_fmt[max_count] = { NULL }; + uint32_t token_fmt_count = 0; + if (!ParseString(tokens[j+1], tokens_fmt, max_count, ",\n", &token_fmt_count)) { + if (pipe_caps.type == kPipeTypeVIG) { + ParseFormats(tokens_fmt, token_fmt_count, kHWVIGPipe, hw_resource_); + } else if (pipe_caps.type == kPipeTypeRGB) { + ParseFormats(tokens_fmt, token_fmt_count, kHWRGBPipe, hw_resource_); + } else if (pipe_caps.type == kPipeTypeDMA) { + ParseFormats(tokens_fmt, token_fmt_count, kHWDMAPipe, hw_resource_); + } else if (pipe_caps.type == kPipeTypeCursor) { + ParseFormats(tokens_fmt, token_fmt_count, kHWCursorPipe, hw_resource_); + } + } + } + } + hw_resource_->hw_pipes.push_back(pipe_caps); + } + } + } + } + } + + // Disable destination scalar count to 0 if extension library is not present + DynLib extension_lib; + if (!extension_lib.Open("libsdmextension.so")) { + hw_resource_->hw_dest_scalar_info.count = 0; + } + + DLOGI("SDE Version = %d, SDE Revision = %x, RGB = %d, VIG = %d, DMA = %d, Cursor = %d", + hw_resource_->hw_version, hw_resource_->hw_revision, hw_resource_->num_rgb_pipe, + hw_resource_->num_vig_pipe, hw_resource_->num_dma_pipe, hw_resource_->num_cursor_pipe); + DLOGI("Upscale Ratio = %d, Downscale Ratio = %d, Blending Stages = %d", + hw_resource_->max_scale_up, hw_resource_->max_scale_down, + hw_resource_->num_blending_stages); + DLOGI("SourceSplit = %d QSEED3 = %d", hw_resource_->is_src_split, hw_resource_->has_qseed3); + DLOGI("BWC = %d, UBWC = %d, Decimation = %d, Tile Format = %d Concurrent Writeback = %d", + hw_resource_->has_bwc, hw_resource_->has_ubwc, hw_resource_->has_decimation, + hw_resource_->has_macrotile, hw_resource_->has_concurrent_writeback); + DLOGI("MaxLowBw = %" PRIu64 " , MaxHighBw = % " PRIu64 "", hw_resource_->max_bandwidth_low, + hw_resource_->max_bandwidth_high); + DLOGI("MaxPipeBw = %" PRIu64 " KBps, MaxSDEClock = % " PRIu64 " Hz, ClockFudgeFactor = %f", + hw_resource_->max_pipe_bw, hw_resource_->max_sde_clk, hw_resource_->clk_fudge_factor); + DLOGI("Prefill factors: Tiled_NV12 = %d, Tiled = %d, Linear = %d, Scale = %d, Fudge_factor = %d", + hw_resource_->macrotile_nv12_factor, hw_resource_->macrotile_factor, + hw_resource_->linear_factor, hw_resource_->scale_factor, hw_resource_->extra_fudge_factor); + + // Avoid rotator for MDP3 harware. + if ((hw_resource_->separate_rotator || hw_resource_->num_dma_pipe) && !hw_resource_->has_ppp) { + GetHWRotatorInfo(hw_resource_); + } + + // If the driver doesn't spell out the wb index, assume it to be the number of rotators, + // based on legacy implementation. + if (hw_resource_->writeback_index == kHWBlockMax) { + hw_resource_->writeback_index = hw_resource_->hw_rot_info.num_rotator; + } + + if (hw_resource_->has_dyn_bw_support) { + DisplayError ret = GetDynamicBWLimits(hw_resource_); + if (ret != kErrorNone) { + DLOGE("Failed to read dynamic band width info"); + return ret; + } + + DLOGI("Has Support for multiple bw limits shown below"); + for (int index = 0; index < kBwModeMax; index++) { + DLOGI("Mode-index=%d total_bw_limit=%d and pipe_bw_limit=%d", + index, hw_resource_->dyn_bw_info.total_bw_limit[index], + hw_resource_->dyn_bw_info.pipe_bw_limit[index]); + } + } + + *hw_resource = *hw_resource_; + + return kErrorNone; +} + +DisplayError HWInfo::GetHWRotatorInfo(HWResourceInfo *hw_resource) { + if (GetMDSSRotatorInfo(hw_resource) != kErrorNone) + return GetV4L2RotatorInfo(hw_resource); + + return kErrorNone; +} + +DisplayError HWInfo::GetMDSSRotatorInfo(HWResourceInfo *hw_resource) { + Sys::fstream fs(kRotatorCapsPath, fstream::in); + if (!fs.is_open()) { + DLOGW("File '%s' not found", kRotatorCapsPath); + return kErrorNotSupported; + } + + uint32_t token_count = 0; + const uint32_t max_count = 10; + char *tokens[max_count] = { NULL }; + string line; + + hw_resource->hw_rot_info.type = HWRotatorInfo::ROT_TYPE_MDSS; + while (Sys::getline_(fs, line)) { + if (!ParseString(line.c_str(), tokens, max_count, ":, =\n", &token_count)) { + if (!strncmp(tokens[0], "wb_count", strlen("wb_count"))) { + hw_resource->hw_rot_info.num_rotator = UINT8(atoi(tokens[1])); + hw_resource->hw_rot_info.device_path = "/dev/mdss_rotator"; + } else if (!strncmp(tokens[0], "downscale", strlen("downscale"))) { + hw_resource->hw_rot_info.has_downscale = UINT8(atoi(tokens[1])); + } + } + } + + DLOGI("MDSS Rotator: Count = %d, Downscale = %d, Min_downscale = %f", + hw_resource->hw_rot_info.num_rotator, hw_resource->hw_rot_info.has_downscale, + hw_resource->hw_rot_info.min_downscale); + + return kErrorNone; +} + +DisplayError HWInfo::GetV4L2RotatorInfo(HWResourceInfo *hw_resource) { + string v4l2_path = "/sys/class/video4linux/video"; + const uint32_t kMaxV4L2Nodes = 64; + bool found = false; + + for (uint32_t i = 0; (i < kMaxV4L2Nodes) && (false == found); i++) { + string path = v4l2_path + to_string(i) + "/name"; + Sys::fstream fs(path, fstream::in); + if (!fs.is_open()) { + continue; + } + + string line; + if (Sys::getline_(fs, line) && + (!strncmp(line.c_str(), "sde_rotator", strlen("sde_rotator")))) { + hw_resource->hw_rot_info.device_path = string("/dev/video" + to_string(i)); + hw_resource->hw_rot_info.num_rotator++; + hw_resource->hw_rot_info.type = HWRotatorInfo::ROT_TYPE_V4L2; + hw_resource->hw_rot_info.has_downscale = true; + + string caps_path = v4l2_path + to_string(i) + "/device/caps"; + Sys::fstream caps_fs(caps_path, fstream::in); + + if (caps_fs.is_open()) { + uint32_t token_count = 0; + const uint32_t max_count = 10; + char *tokens[max_count] = { NULL }; + string caps; + while (Sys::getline_(caps_fs, caps)) { + if (!ParseString(caps.c_str(), tokens, max_count, ":, =\n", &token_count)) { + if (!strncmp(tokens[0], "downscale_compression", strlen("downscale_compression"))) { + hw_resource->hw_rot_info.downscale_compression = UINT8(atoi(tokens[1])); + } else if (!strncmp(tokens[0], "min_downscale", strlen("min_downscale"))) { + hw_resource->hw_rot_info.min_downscale = FLOAT(atof(tokens[1])); + } + } + } + } + + // We support only 1 rotator + found = true; + } + } + + DLOGI("V4L2 Rotator: Count = %d, Downscale = %d, Min_downscale = %f, Downscale_compression = %d", + hw_resource->hw_rot_info.num_rotator, hw_resource->hw_rot_info.has_downscale, + hw_resource->hw_rot_info.min_downscale, hw_resource->hw_rot_info.downscale_compression); + + return kErrorNone; +} + +LayerBufferFormat HWInfo::GetSDMFormat(int mdp_format) { + switch (mdp_format) { + case MDP_ARGB_8888: return kFormatARGB8888; + case MDP_RGBA_8888: return kFormatRGBA8888; + case MDP_BGRA_8888: return kFormatBGRA8888; + case MDP_XRGB_8888: return kFormatXRGB8888; + case MDP_RGBX_8888: return kFormatRGBX8888; + case MDP_BGRX_8888: return kFormatBGRX8888; + case MDP_RGBA_5551: return kFormatRGBA5551; + case MDP_RGBA_4444: return kFormatRGBA4444; + case MDP_RGB_888: return kFormatRGB888; + case MDP_BGR_888: return kFormatBGR888; + case MDP_RGB_565: return kFormatRGB565; + case MDP_BGR_565: return kFormatBGR565; + case MDP_RGBA_8888_UBWC: return kFormatRGBA8888Ubwc; + case MDP_RGBX_8888_UBWC: return kFormatRGBX8888Ubwc; + case MDP_RGB_565_UBWC: return kFormatBGR565Ubwc; + case MDP_Y_CB_CR_H2V2: return kFormatYCbCr420Planar; + case MDP_Y_CR_CB_H2V2: return kFormatYCrCb420Planar; + case MDP_Y_CR_CB_GH2V2: return kFormatYCrCb420PlanarStride16; + case MDP_Y_CBCR_H2V2: return kFormatYCbCr420SemiPlanar; + case MDP_Y_CRCB_H2V2: return kFormatYCrCb420SemiPlanar; + case MDP_Y_CBCR_H2V2_VENUS: return kFormatYCbCr420SemiPlanarVenus; + case MDP_Y_CBCR_H1V2: return kFormatYCbCr422H1V2SemiPlanar; + case MDP_Y_CRCB_H1V2: return kFormatYCrCb422H1V2SemiPlanar; + case MDP_Y_CBCR_H2V1: return kFormatYCbCr422H2V1SemiPlanar; + case MDP_Y_CRCB_H2V1: return kFormatYCrCb422H2V1SemiPlanar; + case MDP_Y_CBCR_H2V2_UBWC: return kFormatYCbCr420SPVenusUbwc; + case MDP_Y_CRCB_H2V2_VENUS: return kFormatYCrCb420SemiPlanarVenus; + case MDP_YCBYCR_H2V1: return kFormatYCbCr422H2V1Packed; + case MDP_RGBA_1010102: return kFormatRGBA1010102; + case MDP_ARGB_2101010: return kFormatARGB2101010; + case MDP_RGBX_1010102: return kFormatRGBX1010102; + case MDP_XRGB_2101010: return kFormatXRGB2101010; + case MDP_BGRA_1010102: return kFormatBGRA1010102; + case MDP_ABGR_2101010: return kFormatABGR2101010; + case MDP_BGRX_1010102: return kFormatBGRX1010102; + case MDP_XBGR_2101010: return kFormatXBGR2101010; + case MDP_RGBA_1010102_UBWC: return kFormatRGBA1010102Ubwc; + case MDP_RGBX_1010102_UBWC: return kFormatRGBX1010102Ubwc; + case MDP_Y_CBCR_H2V2_P010: return kFormatYCbCr420P010; + case MDP_Y_CBCR_H2V2_TP10_UBWC: return kFormatYCbCr420TP10Ubwc; + default: return kFormatInvalid; + } +} + +void HWInfo::InitSupportedFormatMap(HWResourceInfo *hw_resource) { + hw_resource->supported_formats_map.clear(); + + for (int sub_blk_type = INT(kHWVIGPipe); sub_blk_type < INT(kHWSubBlockMax); sub_blk_type++) { + PopulateSupportedFormatMap(kDefaultFormatSupport[sub_blk_type], MDP_IMGTYPE_LIMIT1, + (HWSubBlockType)sub_blk_type, hw_resource); + } +} + +void HWInfo::ParseFormats(char *tokens[], uint32_t token_count, HWSubBlockType sub_blk_type, + HWResourceInfo *hw_resource) { + if (token_count > BITS_TO_BYTES(MDP_IMGTYPE_LIMIT1)) { + return; + } + + std::unique_ptr<std::bitset<8>[]> format_supported(new std::bitset<8>[token_count]); + for (uint32_t i = 0; i < token_count; i++) { + format_supported[i] = UINT8(atoi(tokens[i])); + } + + PopulateSupportedFormatMap(format_supported.get(), (token_count << 3), sub_blk_type, hw_resource); +} + +void HWInfo::PopulateSupportedFormatMap(const std::bitset<8> *format_supported, + uint32_t format_count, HWSubBlockType sub_blk_type, + HWResourceInfo *hw_resource) { + vector <LayerBufferFormat> supported_sdm_formats; + for (uint32_t mdp_format = 0; mdp_format < format_count; mdp_format++) { + if (format_supported[mdp_format >> 3][mdp_format & 7]) { + LayerBufferFormat sdm_format = GetSDMFormat(INT(mdp_format)); + if (sdm_format != kFormatInvalid) { + supported_sdm_formats.push_back(sdm_format); + } + } + } + + hw_resource->supported_formats_map.erase(sub_blk_type); + hw_resource->supported_formats_map.insert(make_pair(sub_blk_type, supported_sdm_formats)); +} + +DisplayError HWInfo::GetFirstDisplayInterfaceType(HWDisplayInterfaceInfo *hw_disp_info) { + Sys::fstream fs("/sys/devices/virtual/graphics/fb0/msm_fb_type", fstream::in); + if (!fs.is_open()) { + return kErrorHardware; + } + + string line; + if (!Sys::getline_(fs, line)) { + return kErrorHardware; + } + + if (!strncmp(line.c_str(), "dtv panel", strlen("dtv panel")) || + !strncmp(line.c_str(), "dp panel", strlen("dp panel"))) { + hw_disp_info->type = kHDMI; + DLOGI("First display is HDMI"); + } else { + hw_disp_info->type = kPrimary; + DLOGI("First display is internal display"); + } + + fs.close(); + fs.open("/sys/devices/virtual/graphics/fb0/connected", fstream::in); + if (!fs.is_open()) { + // If fb0 is for a DSI/connected panel, then connected node will not exist. + hw_disp_info->is_connected = true; + } else { + if (!Sys::getline_(fs, line)) { + return kErrorHardware; + } + + hw_disp_info->is_connected = (!strncmp(line.c_str(), "1", strlen("1"))); + } + + return kErrorNone; +} + +} // namespace sdm + |