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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display_device.h')
-rw-r--r--drivers/gpu/drm/i915/display/intel_display_device.h326
1 files changed, 326 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display_device.h b/drivers/gpu/drm/i915/display/intel_display_device.h
new file mode 100644
index 000000000000..b559ef43d547
--- /dev/null
+++ b/drivers/gpu/drm/i915/display/intel_display_device.h
@@ -0,0 +1,326 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2023 Intel Corporation
+ */
+
+#ifndef __INTEL_DISPLAY_DEVICE_H__
+#define __INTEL_DISPLAY_DEVICE_H__
+
+#include <linux/bitops.h>
+#include <linux/types.h>
+
+#include "intel_display_limits.h"
+
+struct drm_printer;
+struct intel_display;
+struct intel_display_parent_interface;
+struct pci_dev;
+
+/*
+ * Display platforms and subplatforms. Keep platforms in display version based
+ * order, chronological order within a version, and subplatforms next to the
+ * platform.
+ */
+#define INTEL_DISPLAY_PLATFORMS(func) \
+ /* Platform group aliases */ \
+ func(g4x) /* g45 and gm45 */ \
+ func(mobile) /* mobile platforms */ \
+ func(dgfx) /* discrete graphics */ \
+ /* Display ver 2 */ \
+ func(i830) \
+ func(i845g) \
+ func(i85x) \
+ func(i865g) \
+ /* Display ver 3 */ \
+ func(i915g) \
+ func(i915gm) \
+ func(i945g) \
+ func(i945gm) \
+ func(g33) \
+ func(pineview) \
+ /* Display ver 4 */ \
+ func(i965g) \
+ func(i965gm) \
+ func(g45) \
+ func(gm45) \
+ /* Display ver 5 */ \
+ func(ironlake) \
+ /* Display ver 6 */ \
+ func(sandybridge) \
+ /* Display ver 7 */ \
+ func(ivybridge) \
+ func(valleyview) \
+ func(haswell) \
+ func(haswell_ult) \
+ func(haswell_ulx) \
+ /* Display ver 8 */ \
+ func(broadwell) \
+ func(broadwell_ult) \
+ func(broadwell_ulx) \
+ func(cherryview) \
+ /* Display ver 9 */ \
+ func(skylake) \
+ func(skylake_ult) \
+ func(skylake_ulx) \
+ func(broxton) \
+ func(kabylake) \
+ func(kabylake_ult) \
+ func(kabylake_ulx) \
+ func(geminilake) \
+ func(coffeelake) \
+ func(coffeelake_ult) \
+ func(coffeelake_ulx) \
+ func(cometlake) \
+ func(cometlake_ult) \
+ func(cometlake_ulx) \
+ /* Display ver 11 */ \
+ func(icelake) \
+ func(icelake_port_f) \
+ func(jasperlake) \
+ func(elkhartlake) \
+ /* Display ver 12 */ \
+ func(tigerlake) \
+ func(tigerlake_uy) \
+ func(rocketlake) \
+ func(dg1) \
+ func(alderlake_s) \
+ func(alderlake_s_raptorlake_s) \
+ /* Display ver 13 */ \
+ func(alderlake_p) \
+ func(alderlake_p_alderlake_n) \
+ func(alderlake_p_raptorlake_p) \
+ func(alderlake_p_raptorlake_u) \
+ func(dg2) \
+ func(dg2_g10) \
+ func(dg2_g11) \
+ func(dg2_g12) \
+ /* Display ver 14 (based on GMD ID) */ \
+ func(meteorlake) \
+ func(meteorlake_u) \
+ /* Display ver 20 (based on GMD ID) */ \
+ func(lunarlake) \
+ /* Display ver 14.1 (based on GMD ID) */ \
+ func(battlemage) \
+ /* Display ver 30 (based on GMD ID) */ \
+ func(pantherlake) \
+ func(pantherlake_wildcatlake)
+
+
+#define __MEMBER(name) unsigned long name:1;
+#define __COUNT(x) 1 +
+
+#define __NUM_PLATFORMS (INTEL_DISPLAY_PLATFORMS(__COUNT) 0)
+
+struct intel_display_platforms {
+ union {
+ struct {
+ INTEL_DISPLAY_PLATFORMS(__MEMBER);
+ };
+ DECLARE_BITMAP(bitmap, __NUM_PLATFORMS);
+ };
+};
+
+#undef __MEMBER
+#undef __COUNT
+#undef __NUM_PLATFORMS
+
+#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_128B_Y_TILING(__display) (!(__display)->platform.i915g && !(__display)->platform.i915gm)
+#define HAS_4TILE(__display) ((__display)->platform.dg2 || DISPLAY_VER(__display) >= 14)
+#define HAS_ASYNC_FLIPS(__display) (DISPLAY_VER(__display) >= 5)
+#define HAS_AS_SDP(__display) (DISPLAY_VER(__display) >= 13)
+#define HAS_AUX_CCS(__display) (IS_DISPLAY_VER(__display, 9, 12) || (__display)->platform.alderlake_p || (__display)->platform.meteorlake)
+#define HAS_BIGJOINER(__display) (DISPLAY_VER(__display) >= 11 && HAS_DSC(__display))
+#define HAS_CASF(__display) (DISPLAY_VER(__display) >= 20)
+#define HAS_CDCLK_CRAWL(__display) (DISPLAY_INFO(__display)->has_cdclk_crawl)
+#define HAS_CDCLK_SQUASH(__display) (DISPLAY_INFO(__display)->has_cdclk_squash)
+#define HAS_CMRR(__display) (DISPLAY_VER(__display) >= 20)
+#define HAS_CMTG(__display) (!(__display)->platform.dg2 && DISPLAY_VER(__display) >= 13)
+#define HAS_CUR_FBC(__display) (!HAS_GMCH(__display) && IS_DISPLAY_VER(__display, 7, 13))
+#define HAS_D12_PLANE_MINIMIZATION(__display) ((__display)->platform.rocketlake || (__display)->platform.alderlake_s)
+#define HAS_DBUF_OVERLAP_DETECTION(__display) (DISPLAY_RUNTIME_INFO(__display)->has_dbuf_overlap_detection)
+#define HAS_DDI(__display) (DISPLAY_INFO(__display)->has_ddi)
+#define HAS_DISPLAY(__display) (DISPLAY_RUNTIME_INFO(__display)->pipe_mask != 0)
+#define HAS_DMC(__display) (DISPLAY_RUNTIME_INFO(__display)->has_dmc)
+#define HAS_DMC_WAKELOCK(__display) (DISPLAY_VER(__display) >= 20)
+#define HAS_DOUBLE_BUFFERED_M_N(__display) (IS_DISPLAY_VER((__display), 9, 14) || (__display)->platform.broadwell)
+#define HAS_DOUBLE_BUFFERED_LUT(__display) (DISPLAY_VER(__display) >= 30)
+#define HAS_DOUBLE_WIDE(__display) (DISPLAY_VER(__display) < 4)
+#define HAS_DP20(__display) ((__display)->platform.dg2 || DISPLAY_VER(__display) >= 14)
+#define HAS_DPT(__display) (DISPLAY_VER(__display) >= 13)
+#define HAS_DP_MST(__display) (DISPLAY_INFO(__display)->has_dp_mst)
+#define HAS_DSB(__display) (DISPLAY_INFO(__display)->has_dsb)
+#define HAS_DSC(__display) (DISPLAY_RUNTIME_INFO(__display)->has_dsc)
+#define HAS_DSC_3ENGINES(__display) (DISPLAY_VERx100(__display) == 1401 && HAS_DSC(__display))
+#define HAS_DSC_MST(__display) (DISPLAY_VER(__display) >= 12 && HAS_DSC(__display))
+#define HAS_FBC(__display) (DISPLAY_RUNTIME_INFO(__display)->fbc_mask != 0)
+#define HAS_FBC_DIRTY_RECT(__display) (DISPLAY_VER(__display) >= 30)
+#define HAS_FPGA_DBG_UNCLAIMED(__display) (DISPLAY_INFO(__display)->has_fpga_dbg)
+#define HAS_FW_BLC(__display) (DISPLAY_VER(__display) >= 3)
+#define HAS_GMBUS_BURST_READ(__display) (DISPLAY_VER(__display) >= 10 || (__display)->platform.kabylake)
+#define HAS_GMBUS_IRQ(__display) (DISPLAY_VER(__display) >= 4)
+#define HAS_GMCH(__display) (DISPLAY_INFO(__display)->has_gmch)
+#define HAS_FDI(__display) (IS_DISPLAY_VER((__display), 5, 8) && !HAS_GMCH(__display))
+#define HAS_HOTPLUG(__display) (DISPLAY_INFO(__display)->has_hotplug)
+#define HAS_HW_SAGV_WM(__display) (DISPLAY_VER(__display) >= 13 && !(__display)->platform.dgfx)
+#define HAS_IPC(__display) (DISPLAY_INFO(__display)->has_ipc)
+#define HAS_IPS(__display) ((__display)->platform.haswell_ult || (__display)->platform.broadwell)
+#define HAS_LRR(__display) (DISPLAY_VER(__display) >= 12)
+#define HAS_LSPCON(__display) (IS_DISPLAY_VER(__display, 9, 10))
+#define HAS_MBUS_JOINING(__display) ((__display)->platform.alderlake_p || DISPLAY_VER(__display) >= 14)
+#define HAS_MSO(__display) (DISPLAY_VER(__display) >= 12)
+#define HAS_OVERLAY(__display) (DISPLAY_INFO(__display)->has_overlay)
+#define HAS_PIPEDMC(__display) (DISPLAY_VER(__display) >= 12)
+#define HAS_PSR(__display) (DISPLAY_INFO(__display)->has_psr)
+#define HAS_PSR_HW_TRACKING(__display) (DISPLAY_INFO(__display)->has_psr_hw_tracking)
+#define HAS_PSR2_SEL_FETCH(__display) (DISPLAY_VER(__display) >= 12)
+#define HAS_SAGV(__display) (DISPLAY_VER(__display) >= 9 && \
+ !(__display)->platform.broxton && !(__display)->platform.geminilake)
+#define HAS_TRANSCODER(__display, trans) ((DISPLAY_RUNTIME_INFO(__display)->cpu_transcoder_mask & \
+ BIT(trans)) != 0)
+#define HAS_UNCOMPRESSED_JOINER(__display) (DISPLAY_VER(__display) >= 13)
+#define HAS_ULTRAJOINER(__display) (((__display)->platform.dgfx && \
+ DISPLAY_VER(__display) == 14) && HAS_DSC(__display))
+#define HAS_VRR(__display) (DISPLAY_VER(__display) >= 11)
+#define INTEL_NUM_PIPES(__display) (hweight8(DISPLAY_RUNTIME_INFO(__display)->pipe_mask))
+#define OVERLAY_NEEDS_PHYSICAL(__display) (DISPLAY_INFO(__display)->overlay_needs_physical)
+#define SUPPORTS_TV(__display) (DISPLAY_INFO(__display)->supports_tv)
+
+/* Check that device has a display IP version within the specific range. */
+#define IS_DISPLAY_VERx100(__display, from, until) ( \
+ BUILD_BUG_ON_ZERO((from) < 200) + \
+ (DISPLAY_VERx100(__display) >= (from) && \
+ DISPLAY_VERx100(__display) <= (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_VERx100_STEP(display, 1400, STEP_A0, STEP_B2)
+ * IS_DISPLAY_VERx100_STEP(display, 1400, 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_VERx100_STEP(__display, ipver, from, until) \
+ (IS_DISPLAY_VERx100((__display), (ipver), (ipver)) && \
+ IS_DISPLAY_STEP((__display), (from), (until)))
+
+#define DISPLAY_INFO(__display) ((__display)->info.__device_info)
+#define DISPLAY_RUNTIME_INFO(__display) (&(__display)->info.__runtime_info)
+
+#define DISPLAY_VER(__display) (DISPLAY_RUNTIME_INFO(__display)->ip.ver)
+#define DISPLAY_VERx100(__display) (DISPLAY_RUNTIME_INFO(__display)->ip.ver * 100 + \
+ DISPLAY_RUNTIME_INFO(__display)->ip.rel)
+#define IS_DISPLAY_VER(__display, from, until) \
+ (DISPLAY_VER(__display) >= (from) && DISPLAY_VER(__display) <= (until))
+
+#define INTEL_DISPLAY_STEP(__display) (DISPLAY_RUNTIME_INFO(__display)->step)
+
+#define IS_DISPLAY_STEP(__display, since, until) \
+ (drm_WARN_ON((__display)->drm, INTEL_DISPLAY_STEP(__display) == STEP_NONE), \
+ INTEL_DISPLAY_STEP(__display) >= (since) && INTEL_DISPLAY_STEP(__display) < (until))
+
+#define ARLS_HOST_BRIDGE_PCI_ID1 0x7D1C
+#define ARLS_HOST_BRIDGE_PCI_ID2 0x7D2D
+#define ARLS_HOST_BRIDGE_PCI_ID3 0x7D2E
+#define ARLS_HOST_BRIDGE_PCI_ID4 0x7D2F
+
+#define IS_ARROWLAKE_S_BY_HOST_BRIDGE_ID(id) \
+ (((id) == ARLS_HOST_BRIDGE_PCI_ID1) || \
+ ((id) == ARLS_HOST_BRIDGE_PCI_ID2) || \
+ ((id) == ARLS_HOST_BRIDGE_PCI_ID3) || \
+ ((id) == ARLS_HOST_BRIDGE_PCI_ID4))
+
+struct intel_display_runtime_info {
+ struct intel_display_ip_ver {
+ u16 ver;
+ u16 rel;
+ u16 step; /* hardware */
+ } ip;
+ int step; /* symbolic */
+
+ u32 rawclk_freq;
+
+ 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;
+ bool edp_typec_support;
+ bool has_dbuf_overlap_detection;
+};
+
+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_present(struct intel_display *display);
+bool intel_display_device_enabled(struct intel_display *display);
+struct intel_display *intel_display_device_probe(struct pci_dev *pdev,
+ const struct intel_display_parent_interface *parent);
+void intel_display_device_remove(struct intel_display *display);
+void intel_display_device_info_runtime_init(struct intel_display *display);
+
+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