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/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2023 Intel Corporation
*/
#ifndef __INTEL_DISPLAY_DEVICE_H__
#define __INTEL_DISPLAY_DEVICE_H__
#include <linux/types.h>
#include "intel_display_limits.h"
struct drm_i915_private;
struct drm_printer;
#define DEV_INFO_DISPLAY_FOR_EACH_FLAG(func) \
/* Keep in alphabetical order */ \
func(cursor_needs_physical); \
func(has_cdclk_crawl); \
func(has_cdclk_squash); \
func(has_ddi); \
func(has_dp_mst); \
func(has_dsb); \
func(has_fpga_dbg); \
func(has_gmch); \
func(has_hotplug); \
func(has_hti); \
func(has_ipc); \
func(has_overlay); \
func(has_psr); \
func(has_psr_hw_tracking); \
func(overlay_needs_physical); \
func(supports_tv);
#define HAS_4TILE(i915) (IS_DG2(i915) || DISPLAY_VER(i915) >= 14)
#define HAS_ASYNC_FLIPS(i915) (DISPLAY_VER(i915) >= 5)
#define HAS_CDCLK_CRAWL(i915) (DISPLAY_INFO(i915)->has_cdclk_crawl)
#define HAS_CDCLK_SQUASH(i915) (DISPLAY_INFO(i915)->has_cdclk_squash)
#define HAS_CUR_FBC(i915) (!HAS_GMCH(i915) && IS_DISPLAY_VER(i915, 7, 13))
#define HAS_D12_PLANE_MINIMIZATION(i915) (IS_ROCKETLAKE(i915) || IS_ALDERLAKE_S(i915))
#define HAS_DDI(i915) (DISPLAY_INFO(i915)->has_ddi)
#define HAS_DISPLAY(i915) (DISPLAY_RUNTIME_INFO(i915)->pipe_mask != 0)
#define HAS_DMC(i915) (DISPLAY_RUNTIME_INFO(i915)->has_dmc)
#define HAS_DOUBLE_BUFFERED_M_N(i915) (DISPLAY_VER(i915) >= 9 || IS_BROADWELL(i915))
#define HAS_DP_MST(i915) (DISPLAY_INFO(i915)->has_dp_mst)
#define HAS_DP20(i915) (IS_DG2(i915) || DISPLAY_VER(i915) >= 14)
#define HAS_DPT(i915) (DISPLAY_VER(i915) >= 13)
#define HAS_DSB(i915) (DISPLAY_INFO(i915)->has_dsb)
#define HAS_DSC(__i915) (DISPLAY_RUNTIME_INFO(__i915)->has_dsc)
#define HAS_FBC(i915) (DISPLAY_RUNTIME_INFO(i915)->fbc_mask != 0)
#define HAS_FPGA_DBG_UNCLAIMED(i915) (DISPLAY_INFO(i915)->has_fpga_dbg)
#define HAS_FW_BLC(i915) (DISPLAY_VER(i915) >= 3)
#define HAS_GMBUS_IRQ(i915) (DISPLAY_VER(i915) >= 4)
#define HAS_GMBUS_BURST_READ(i915) (DISPLAY_VER(i915) >= 10 || IS_KABYLAKE(i915))
#define HAS_GMCH(i915) (DISPLAY_INFO(i915)->has_gmch)
#define HAS_HW_SAGV_WM(i915) (DISPLAY_VER(i915) >= 13 && !IS_DGFX(i915))
#define HAS_IPC(i915) (DISPLAY_INFO(i915)->has_ipc)
#define HAS_IPS(i915) (IS_HASWELL_ULT(i915) || IS_BROADWELL(i915))
#define HAS_LRR(i915) (DISPLAY_VER(i915) >= 12)
#define HAS_LSPCON(i915) (IS_DISPLAY_VER(i915, 9, 10))
#define HAS_MBUS_JOINING(i915) (IS_ALDERLAKE_P(i915) || DISPLAY_VER(i915) >= 14)
#define HAS_MSO(i915) (DISPLAY_VER(i915) >= 12)
#define HAS_OVERLAY(i915) (DISPLAY_INFO(i915)->has_overlay)
#define HAS_PSR(i915) (DISPLAY_INFO(i915)->has_psr)
#define HAS_PSR_HW_TRACKING(i915) (DISPLAY_INFO(i915)->has_psr_hw_tracking)
#define HAS_PSR2_SEL_FETCH(i915) (DISPLAY_VER(i915) >= 12)
#define HAS_SAGV(i915) (DISPLAY_VER(i915) >= 9 && !IS_LP(i915))
#define HAS_TRANSCODER(i915, trans) ((DISPLAY_RUNTIME_INFO(i915)->cpu_transcoder_mask & \
BIT(trans)) != 0)
#define HAS_VRR(i915) (DISPLAY_VER(i915) >= 11)
#define INTEL_NUM_PIPES(i915) (hweight8(DISPLAY_RUNTIME_INFO(i915)->pipe_mask))
#define I915_HAS_HOTPLUG(i915) (DISPLAY_INFO(i915)->has_hotplug)
#define OVERLAY_NEEDS_PHYSICAL(i915) (DISPLAY_INFO(i915)->overlay_needs_physical)
#define SUPPORTS_TV(i915) (DISPLAY_INFO(i915)->supports_tv)
/* Check that device has a display IP version within the specific range. */
#define IS_DISPLAY_IP_RANGE(__i915, from, until) ( \
BUILD_BUG_ON_ZERO((from) < IP_VER(2, 0)) + \
(DISPLAY_VER_FULL(__i915) >= (from) && \
DISPLAY_VER_FULL(__i915) <= (until)))
/*
* Check if a device has a specific IP version as well as a stepping within the
* specified range [from, until). The lower bound is inclusive, the upper
* bound is exclusive. The most common use-case of this macro is for checking
* bounds for workarounds, which usually have a stepping ("from") at which the
* hardware issue is first present and another stepping ("until") at which a
* hardware fix is present and the software workaround is no longer necessary.
* E.g.,
*
* IS_DISPLAY_IP_STEP(i915, IP_VER(14, 0), STEP_A0, STEP_B2)
* IS_DISPLAY_IP_STEP(i915, IP_VER(14, 0), STEP_C0, STEP_FOREVER)
*
* "STEP_FOREVER" can be passed as "until" for workarounds that have no upper
* stepping bound for the specified IP version.
*/
#define IS_DISPLAY_IP_STEP(__i915, ipver, from, until) \
(IS_DISPLAY_IP_RANGE((__i915), (ipver), (ipver)) && \
IS_DISPLAY_STEP((__i915), (from), (until)))
#define DISPLAY_INFO(i915) ((i915)->display.info.__device_info)
#define DISPLAY_RUNTIME_INFO(i915) (&(i915)->display.info.__runtime_info)
#define DISPLAY_VER(i915) (DISPLAY_RUNTIME_INFO(i915)->ip.ver)
#define DISPLAY_VER_FULL(i915) IP_VER(DISPLAY_RUNTIME_INFO(i915)->ip.ver, \
DISPLAY_RUNTIME_INFO(i915)->ip.rel)
#define IS_DISPLAY_VER(i915, from, until) \
(DISPLAY_VER(i915) >= (from) && DISPLAY_VER(i915) <= (until))
struct intel_display_runtime_info {
struct {
u16 ver;
u16 rel;
u16 step;
} ip;
u8 pipe_mask;
u8 cpu_transcoder_mask;
u16 port_mask;
u8 num_sprites[I915_MAX_PIPES];
u8 num_scalers[I915_MAX_PIPES];
u8 fbc_mask;
bool has_hdcp;
bool has_dmc;
bool has_dsc;
};
struct intel_display_device_info {
/* Initial runtime info. */
const struct intel_display_runtime_info __runtime_defaults;
u8 abox_mask;
struct {
u16 size; /* in blocks */
u8 slice_mask;
} dbuf;
#define DEFINE_FLAG(name) u8 name:1
DEV_INFO_DISPLAY_FOR_EACH_FLAG(DEFINE_FLAG);
#undef DEFINE_FLAG
/* Global register offset for the display engine */
u32 mmio_offset;
/* Register offsets for the various display pipes and transcoders */
u32 pipe_offsets[I915_MAX_TRANSCODERS];
u32 trans_offsets[I915_MAX_TRANSCODERS];
u32 cursor_offsets[I915_MAX_PIPES];
struct {
u32 degamma_lut_size;
u32 gamma_lut_size;
u32 degamma_lut_tests;
u32 gamma_lut_tests;
} color;
};
bool intel_display_device_enabled(struct drm_i915_private *i915);
void intel_display_device_probe(struct drm_i915_private *i915);
void intel_display_device_remove(struct drm_i915_private *i915);
void intel_display_device_info_runtime_init(struct drm_i915_private *i915);
void intel_display_device_info_print(const struct intel_display_device_info *info,
const struct intel_display_runtime_info *runtime,
struct drm_printer *p);
#endif
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