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/*
* Copyright 2019 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.
*/
#ifndef IGT_AMD_H
#define IGT_AMD_H
#include <stdint.h>
#include "igt.h"
#include "igt_fb.h"
/* Read & Write DSC parameters */
#define DEBUGFS_DSC_CLOCK_EN "dsc_clock_en"
#define DEBUGFS_DSC_SLICE_WIDTH "dsc_slice_width"
#define DEBUGFS_DSC_SLICE_HEIGHT "dsc_slice_height"
#define DEBUGFS_DSC_BITS_PER_PIXEL "dsc_bits_per_pixel"
/* Read only DSC parameters */
#define DEBUGFS_DSC_PIC_WIDTH "dsc_pic_width"
#define DEBUGFS_DSC_PIC_HEIGHT "dsc_pic_height"
#define DEBUGFS_DSC_CHUNK_SIZE "dsc_chunk_size"
#define DEBUGFS_DSC_SLICE_BPG "dsc_slice_bpg"
#define DEBUGFS_DSC_FEC_SUPPORT "dp_dsc_fec_support"
#define DEBUGFS_DP_LINK_SETTINGS "link_settings"
#define DEBUGFS_HPD_TRIGGER "trigger_hotplug"
#define DEBUGFS_EDP_ILR_SETTING "ilr_setting"
#define MAX_SUPPORTED_ILR 8
enum amd_dsc_clock_force {
DSC_AUTOMATIC = 0,
DSC_FORCE_ON,
DSC_FORCE_OFF,
};
enum dc_lane_count {
LANE_COUNT_UNKNOWN = 0,
LANE_COUNT_ONE = 1,
LANE_COUNT_TWO = 2,
LANE_COUNT_FOUR = 4,
LANE_COUNT_EIGHT = 8,
LANE_COUNT_DP_MAX = LANE_COUNT_FOUR
};
/* This is actually a reference clock (27MHz) multiplier
* 162MBps bandwidth for 1.62GHz like rate,
* 270MBps for 2.70GHz,
* 324MBps for 3.24Ghz,
* 540MBps for 5.40GHz
* 810MBps for 8.10GHz
*/
enum dc_link_rate {
LINK_RATE_UNKNOWN = 0,
LINK_RATE_LOW = 0x06, // Rate_1 (RBR) - 1.62 Gbps/Lane
LINK_RATE_RATE_2 = 0x08, // Rate_2 - 2.16 Gbps/Lane
LINK_RATE_RATE_3 = 0x09, // Rate_3 - 2.43 Gbps/Lane
LINK_RATE_HIGH = 0x0A, // Rate_4 (HBR) - 2.70 Gbps/Lane
LINK_RATE_RBR2 = 0x0C, // Rate_5 (RBR2)- 3.24 Gbps/Lane
LINK_RATE_RATE_6 = 0x10, // Rate_6 - 4.32 Gbps/Lane
LINK_RATE_HIGH2 = 0x14, // Rate_7 (HBR2)- 5.40 Gbps/Lane
LINK_RATE_HIGH3 = 0x1E // Rate_8 (HBR3)- 8.10 Gbps/Lane
};
enum dc_link_training_type {
LINK_TRAINING_DEFAULT = 0,
LINK_TRAINING_SLOW = 0,
LINK_TRAINING_FAST,
LINK_TRAINING_NO_PATTERN
};
uint32_t igt_amd_create_bo(int fd, uint64_t size);
void *igt_amd_mmap_bo(int fd, uint32_t handle, uint64_t size, int prot);
unsigned int igt_amd_compute_offset(unsigned int* swizzle_pattern,
unsigned int x, unsigned int y);
unsigned int igt_amd_fb_get_blk_size_table_idx(unsigned int bpp);
void igt_amd_fb_calculate_tile_dimension(unsigned int bpp,
unsigned int *width, unsigned int *height);
uint32_t igt_amd_fb_tiled_offset(unsigned int bpp, unsigned int x_input,
unsigned int y_input, unsigned int width_input);
void igt_amd_fb_to_tiled(struct igt_fb *dst, void *dst_buf, struct igt_fb *src,
void *src_buf, unsigned int plane);
void igt_amd_fb_convert_plane_to_tiled(struct igt_fb *dst, void *dst_buf,
struct igt_fb *src, void *src_buf);
bool igt_amd_is_tiled(uint64_t modifier);
/* IGT DSC helper functions */
bool is_dp_dsc_supported(int drm_fd, char *connector_name);
bool is_dp_fec_supported(int drm_fd, char *connector_name);
void igt_amd_require_dsc(igt_display_t *display, int drm_fd);
int igt_amd_read_dsc_clock_status(int drm_fd, char *connector_name);
void igt_amd_write_dsc_clock_en(int drm_fd, char *connector_name, int dsc_force);
void igt_amd_write_dsc_param_slice_height(int drm_fd, char *connector_name, int slice_height);
int igt_amd_read_dsc_param_slice_height(int drm_fd, char *connector_name);
void igt_amd_write_dsc_param_slice_width(int drm_fd, char *connector_name, int slice_width);
int igt_amd_read_dsc_param_slice_width(int drm_fd, char *connector_name);
void igt_amd_write_dsc_param_bpp(int drm_fd, char *connector_name, int bpp);
int igt_amd_read_dsc_param_bpp(int drm_fd, char *connector_name);
int igt_amd_read_dsc_param_pic_width(int drm_fd, char *connector_name);
int igt_amd_read_dsc_param_pic_height(int drm_fd, char *connector_name);
int igt_amd_read_dsc_param_chunk_size(int drm_fd, char *connector_name);
int igt_amd_read_dsc_param_slice_bpg(int drm_fd, char *connector_name);
/* IGT HPD helper functions */
void igt_amd_require_hpd(igt_display_t *display, int drm_fd);
int igt_amd_trigger_hotplug(int drm_fd, char *connector_name);
/* IGT link helper functions */
void igt_amd_read_link_settings(
int drm_fd, char *connector_name, int *lane_count, int *link_rate, int *link_spread);
void igt_amd_write_link_settings(
int drm_fd, char *connector_name, enum dc_lane_count lane_count,
enum dc_link_rate link_rate, enum dc_link_training_type training_type);
bool igt_amd_output_has_link_settings(int drm_fd, char *connector_name);
void igt_amd_read_ilr_setting(
int drm_fd, char *connector_name, int *supported_ilr);
void igt_amd_write_ilr_setting(
int drm_fd, char *connector_name, enum dc_lane_count lane_count,
uint8_t link_rate_set);
bool igt_amd_output_has_ilr_setting(int drm_fd, char *connector_name);
#endif /* IGT_AMD_H */
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