xref: /linux/drivers/gpu/drm/i915/display/intel_display_device.h (revision fe7fad476ec8153a8b8767a08114e3e4a58a837e)
1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright © 2023 Intel Corporation
4  */
5 
6 #ifndef __INTEL_DISPLAY_DEVICE_H__
7 #define __INTEL_DISPLAY_DEVICE_H__
8 
9 #include <linux/bitops.h>
10 #include <linux/types.h>
11 
12 #include "intel_display_conversion.h"
13 #include "intel_display_limits.h"
14 
15 struct drm_printer;
16 struct intel_display;
17 struct pci_dev;
18 
19 /*
20  * Display platforms and subplatforms. Keep platforms in display version based
21  * order, chronological order within a version, and subplatforms next to the
22  * platform.
23  */
24 #define INTEL_DISPLAY_PLATFORMS(func) \
25 	/* Platform group aliases */ \
26 	func(g4x) /* g45 and gm45 */ \
27 	func(mobile) /* mobile platforms */ \
28 	func(dgfx) /* discrete graphics */ \
29 	/* Display ver 2 */ \
30 	func(i830) \
31 	func(i845g) \
32 	func(i85x) \
33 	func(i865g) \
34 	/* Display ver 3 */ \
35 	func(i915g) \
36 	func(i915gm) \
37 	func(i945g) \
38 	func(i945gm) \
39 	func(g33) \
40 	func(pineview) \
41 	/* Display ver 4 */ \
42 	func(i965g) \
43 	func(i965gm) \
44 	func(g45) \
45 	func(gm45) \
46 	/* Display ver 5 */ \
47 	func(ironlake) \
48 	/* Display ver 6 */ \
49 	func(sandybridge) \
50 	/* Display ver 7 */ \
51 	func(ivybridge) \
52 	func(valleyview) \
53 	func(haswell) \
54 	func(haswell_ult) \
55 	func(haswell_ulx) \
56 	/* Display ver 8 */ \
57 	func(broadwell) \
58 	func(broadwell_ult) \
59 	func(broadwell_ulx) \
60 	func(cherryview) \
61 	/* Display ver 9 */ \
62 	func(skylake) \
63 	func(skylake_ult) \
64 	func(skylake_ulx) \
65 	func(broxton) \
66 	func(kabylake) \
67 	func(kabylake_ult) \
68 	func(kabylake_ulx) \
69 	func(geminilake) \
70 	func(coffeelake) \
71 	func(coffeelake_ult) \
72 	func(coffeelake_ulx) \
73 	func(cometlake) \
74 	func(cometlake_ult) \
75 	func(cometlake_ulx) \
76 	/* Display ver 11 */ \
77 	func(icelake) \
78 	func(icelake_port_f) \
79 	func(jasperlake) \
80 	func(elkhartlake) \
81 	/* Display ver 12 */ \
82 	func(tigerlake) \
83 	func(tigerlake_uy) \
84 	func(rocketlake) \
85 	func(dg1) \
86 	func(alderlake_s) \
87 	func(alderlake_s_raptorlake_s) \
88 	/* Display ver 13 */ \
89 	func(alderlake_p) \
90 	func(alderlake_p_alderlake_n) \
91 	func(alderlake_p_raptorlake_p) \
92 	func(alderlake_p_raptorlake_u) \
93 	func(dg2) \
94 	func(dg2_g10) \
95 	func(dg2_g11) \
96 	func(dg2_g12) \
97 	/* Display ver 14 (based on GMD ID) */ \
98 	func(meteorlake) \
99 	func(meteorlake_u) \
100 	/* Display ver 20 (based on GMD ID) */ \
101 	func(lunarlake) \
102 	/* Display ver 14.1 (based on GMD ID) */ \
103 	func(battlemage) \
104 	/* Display ver 30 (based on GMD ID) */ \
105 	func(pantherlake)
106 
107 #define __MEMBER(name) unsigned long name:1;
108 #define __COUNT(x) 1 +
109 
110 #define __NUM_PLATFORMS (INTEL_DISPLAY_PLATFORMS(__COUNT) 0)
111 
112 struct intel_display_platforms {
113 	union {
114 		struct {
115 			INTEL_DISPLAY_PLATFORMS(__MEMBER);
116 		};
117 		DECLARE_BITMAP(bitmap, __NUM_PLATFORMS);
118 	};
119 };
120 
121 #undef __MEMBER
122 #undef __COUNT
123 #undef __NUM_PLATFORMS
124 
125 #define DEV_INFO_DISPLAY_FOR_EACH_FLAG(func) \
126 	/* Keep in alphabetical order */ \
127 	func(cursor_needs_physical); \
128 	func(has_cdclk_crawl); \
129 	func(has_cdclk_squash); \
130 	func(has_ddi); \
131 	func(has_dp_mst); \
132 	func(has_dsb); \
133 	func(has_fpga_dbg); \
134 	func(has_gmch); \
135 	func(has_hotplug); \
136 	func(has_hti); \
137 	func(has_ipc); \
138 	func(has_overlay); \
139 	func(has_psr); \
140 	func(has_psr_hw_tracking); \
141 	func(overlay_needs_physical); \
142 	func(supports_tv);
143 
144 #define HAS_4TILE(__display)		((__display)->platform.dg2 || DISPLAY_VER(__display) >= 14)
145 #define HAS_ASYNC_FLIPS(__display)	(DISPLAY_VER(__display) >= 5)
146 #define HAS_BIGJOINER(__display)	(DISPLAY_VER(__display) >= 11 && HAS_DSC(__display))
147 #define HAS_CDCLK_CRAWL(__display)	(DISPLAY_INFO(__display)->has_cdclk_crawl)
148 #define HAS_CDCLK_SQUASH(__display)	(DISPLAY_INFO(__display)->has_cdclk_squash)
149 #define HAS_CMTG(__display)		(!(__display)->platform.dg2 && DISPLAY_VER(__display) >= 13)
150 #define HAS_CUR_FBC(__display)		(!HAS_GMCH(__display) && IS_DISPLAY_VER(__display, 7, 13))
151 #define HAS_D12_PLANE_MINIMIZATION(__display)	((__display)->platform.rocketlake || (__display)->platform.alderlake_s)
152 #define HAS_DBUF_OVERLAP_DETECTION(__display)	(DISPLAY_RUNTIME_INFO(__display)->has_dbuf_overlap_detection)
153 #define HAS_DDI(__display)		(DISPLAY_INFO(__display)->has_ddi)
154 #define HAS_DISPLAY(__display)		(DISPLAY_RUNTIME_INFO(__display)->pipe_mask != 0)
155 #define HAS_DMC(__display)		(DISPLAY_RUNTIME_INFO(__display)->has_dmc)
156 #define HAS_DMC_WAKELOCK(__display)	(DISPLAY_VER(__display) >= 20)
157 #define HAS_DOUBLE_BUFFERED_M_N(__display)	(DISPLAY_VER(__display) >= 9 || (__display)->platform.broadwell)
158 #define HAS_DOUBLE_WIDE(__display)	(DISPLAY_VER(__display) < 4)
159 #define HAS_DP_MST(__display)		(DISPLAY_INFO(__display)->has_dp_mst)
160 #define HAS_DP20(__display)		((__display)->platform.dg2 || DISPLAY_VER(__display) >= 14)
161 #define HAS_DPT(__display)		(DISPLAY_VER(__display) >= 13)
162 #define HAS_DSB(__display)		(DISPLAY_INFO(__display)->has_dsb)
163 #define HAS_DSC(__display)		(DISPLAY_RUNTIME_INFO(__display)->has_dsc)
164 #define HAS_DSC_MST(__display)		(DISPLAY_VER(__display) >= 12 && HAS_DSC(__display))
165 #define HAS_FBC(__display)		(DISPLAY_RUNTIME_INFO(__display)->fbc_mask != 0)
166 #define HAS_FPGA_DBG_UNCLAIMED(__display)	(DISPLAY_INFO(__display)->has_fpga_dbg)
167 #define HAS_FW_BLC(__display)		(DISPLAY_VER(__display) >= 3)
168 #define HAS_GMBUS_IRQ(__display)	(DISPLAY_VER(__display) >= 4)
169 #define HAS_GMBUS_BURST_READ(__display)	(DISPLAY_VER(__display) >= 10 || (__display)->platform.kabylake)
170 #define HAS_GMCH(__display)		(DISPLAY_INFO(__display)->has_gmch)
171 #define HAS_HW_SAGV_WM(__display)	(DISPLAY_VER(__display) >= 13 && !(__display)->platform.dgfx)
172 #define HAS_IPC(__display)		(DISPLAY_INFO(__display)->has_ipc)
173 #define HAS_IPS(__display)		((__display)->platform.haswell_ult || (__display)->platform.broadwell)
174 #define HAS_LRR(__display)		(DISPLAY_VER(__display) >= 12)
175 #define HAS_LSPCON(__display)		(IS_DISPLAY_VER(__display, 9, 10))
176 #define HAS_MBUS_JOINING(__display)	((__display)->platform.alderlake_p || DISPLAY_VER(__display) >= 14)
177 #define HAS_MSO(__display)		(DISPLAY_VER(__display) >= 12)
178 #define HAS_OVERLAY(__display)		(DISPLAY_INFO(__display)->has_overlay)
179 #define HAS_PSR(__display)		(DISPLAY_INFO(__display)->has_psr)
180 #define HAS_PSR_HW_TRACKING(__display)	(DISPLAY_INFO(__display)->has_psr_hw_tracking)
181 #define HAS_PSR2_SEL_FETCH(__display)	(DISPLAY_VER(__display) >= 12)
182 #define HAS_SAGV(__display)		(DISPLAY_VER(__display) >= 9 && \
183 					 !(__display)->platform.broxton && !(__display)->platform.geminilake)
184 #define HAS_TRANSCODER(__display, trans)	((DISPLAY_RUNTIME_INFO(__display)->cpu_transcoder_mask & \
185 						  BIT(trans)) != 0)
186 #define HAS_UNCOMPRESSED_JOINER(__display)	(DISPLAY_VER(__display) >= 13)
187 #define HAS_ULTRAJOINER(__display)	((DISPLAY_VER(__display) >= 20 || \
188 					  ((__display)->platform.dgfx && DISPLAY_VER(__display) == 14)) && \
189 					 HAS_DSC(__display))
190 #define HAS_VRR(__display)		(DISPLAY_VER(__display) >= 11)
191 #define HAS_AS_SDP(__display)		(DISPLAY_VER(__display) >= 13)
192 #define HAS_CMRR(__display)		(DISPLAY_VER(__display) >= 20)
193 #define INTEL_NUM_PIPES(__display)	(hweight8(DISPLAY_RUNTIME_INFO(__display)->pipe_mask))
194 #define I915_HAS_HOTPLUG(__display)	(DISPLAY_INFO(__display)->has_hotplug)
195 #define OVERLAY_NEEDS_PHYSICAL(__display)	(DISPLAY_INFO(__display)->overlay_needs_physical)
196 #define SUPPORTS_TV(__display)		(DISPLAY_INFO(__display)->supports_tv)
197 
198 /* Check that device has a display IP version within the specific range. */
199 #define IS_DISPLAY_VERx100(__display, from, until) ( \
200 	BUILD_BUG_ON_ZERO((from) < 200) + \
201 	(DISPLAY_VERx100(__display) >= (from) && \
202 	 DISPLAY_VERx100(__display) <= (until)))
203 
204 /*
205  * Check if a device has a specific IP version as well as a stepping within the
206  * specified range [from, until).  The lower bound is inclusive, the upper
207  * bound is exclusive.  The most common use-case of this macro is for checking
208  * bounds for workarounds, which usually have a stepping ("from") at which the
209  * hardware issue is first present and another stepping ("until") at which a
210  * hardware fix is present and the software workaround is no longer necessary.
211  * E.g.,
212  *
213  *    IS_DISPLAY_VERx100_STEP(display, 1400, STEP_A0, STEP_B2)
214  *    IS_DISPLAY_VERx100_STEP(display, 1400, STEP_C0, STEP_FOREVER)
215  *
216  * "STEP_FOREVER" can be passed as "until" for workarounds that have no upper
217  * stepping bound for the specified IP version.
218  */
219 #define IS_DISPLAY_VERx100_STEP(__display, ipver, from, until) \
220 	(IS_DISPLAY_VERx100((__display), (ipver), (ipver)) && \
221 	 IS_DISPLAY_STEP((__display), (from), (until)))
222 
223 #define DISPLAY_INFO(__display)		(__to_intel_display(__display)->info.__device_info)
224 #define DISPLAY_RUNTIME_INFO(__display)	(&__to_intel_display(__display)->info.__runtime_info)
225 
226 #define DISPLAY_VER(__display)		(DISPLAY_RUNTIME_INFO(__display)->ip.ver)
227 #define DISPLAY_VERx100(__display)	(DISPLAY_RUNTIME_INFO(__display)->ip.ver * 100 + \
228 					 DISPLAY_RUNTIME_INFO(__display)->ip.rel)
229 #define IS_DISPLAY_VER(__display, from, until) \
230 	(DISPLAY_VER(__display) >= (from) && DISPLAY_VER(__display) <= (until))
231 
232 #define INTEL_DISPLAY_STEP(__display)	(DISPLAY_RUNTIME_INFO(__display)->step)
233 
234 #define IS_DISPLAY_STEP(__display, since, until) \
235 	(drm_WARN_ON(__to_intel_display(__display)->drm, INTEL_DISPLAY_STEP(__display) == STEP_NONE), \
236 	 INTEL_DISPLAY_STEP(__display) >= (since) && INTEL_DISPLAY_STEP(__display) < (until))
237 
238 #define ARLS_HOST_BRIDGE_PCI_ID1 0x7D1C
239 #define ARLS_HOST_BRIDGE_PCI_ID2 0x7D2D
240 #define ARLS_HOST_BRIDGE_PCI_ID3 0x7D2E
241 #define ARLS_HOST_BRIDGE_PCI_ID4 0x7D2F
242 
243 #define IS_ARROWLAKE_S_BY_HOST_BRIDGE_ID(id)  \
244 	(((id) == ARLS_HOST_BRIDGE_PCI_ID1) || \
245 	 ((id) == ARLS_HOST_BRIDGE_PCI_ID2) || \
246 	 ((id) == ARLS_HOST_BRIDGE_PCI_ID3) || \
247 	 ((id) == ARLS_HOST_BRIDGE_PCI_ID4))
248 
249 struct intel_display_runtime_info {
250 	struct intel_display_ip_ver {
251 		u16 ver;
252 		u16 rel;
253 		u16 step; /* hardware */
254 	} ip;
255 	int step; /* symbolic */
256 
257 	u32 rawclk_freq;
258 
259 	u8 pipe_mask;
260 	u8 cpu_transcoder_mask;
261 	u16 port_mask;
262 
263 	u8 num_sprites[I915_MAX_PIPES];
264 	u8 num_scalers[I915_MAX_PIPES];
265 
266 	u8 fbc_mask;
267 
268 	bool has_hdcp;
269 	bool has_dmc;
270 	bool has_dsc;
271 	bool edp_typec_support;
272 	bool has_dbuf_overlap_detection;
273 };
274 
275 struct intel_display_device_info {
276 	/* Initial runtime info. */
277 	const struct intel_display_runtime_info __runtime_defaults;
278 
279 	u8 abox_mask;
280 
281 	struct {
282 		u16 size; /* in blocks */
283 		u8 slice_mask;
284 	} dbuf;
285 
286 #define DEFINE_FLAG(name) u8 name:1
287 	DEV_INFO_DISPLAY_FOR_EACH_FLAG(DEFINE_FLAG);
288 #undef DEFINE_FLAG
289 
290 	/* Global register offset for the display engine */
291 	u32 mmio_offset;
292 
293 	/* Register offsets for the various display pipes and transcoders */
294 	u32 pipe_offsets[I915_MAX_TRANSCODERS];
295 	u32 trans_offsets[I915_MAX_TRANSCODERS];
296 	u32 cursor_offsets[I915_MAX_PIPES];
297 
298 	struct {
299 		u32 degamma_lut_size;
300 		u32 gamma_lut_size;
301 		u32 degamma_lut_tests;
302 		u32 gamma_lut_tests;
303 	} color;
304 };
305 
306 bool intel_display_device_enabled(struct intel_display *display);
307 struct intel_display *intel_display_device_probe(struct pci_dev *pdev);
308 void intel_display_device_remove(struct intel_display *display);
309 void intel_display_device_info_runtime_init(struct intel_display *display);
310 
311 void intel_display_device_info_print(const struct intel_display_device_info *info,
312 				     const struct intel_display_runtime_info *runtime,
313 				     struct drm_printer *p);
314 
315 #endif
316