1/*
2 * Copyright 2000 ATI Technologies Inc., Markham, Ontario, and
3 *                VA Linux Systems Inc., Fremont, California.
4 * Copyright 2008 Red Hat Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Original Authors:
25 *   Kevin E. Martin, Rickard E. Faith, Alan Hourihane
26 *
27 * Kernel port Author: Dave Airlie
28 */
29
30#ifndef AMDGPU_MODE_H
31#define AMDGPU_MODE_H
32
33#include <drm/display/drm_dp_helper.h>
34#include <drm/drm_crtc.h>
35#include <drm/drm_encoder.h>
36#include <drm/drm_fixed.h>
37#include <drm/drm_framebuffer.h>
38#include <drm/drm_probe_helper.h>
39#include <linux/i2c.h>
40#include <linux/i2c-algo-bit.h>
41#include <linux/hrtimer.h>
42#include "amdgpu_irq.h"
43
44#include <drm/display/drm_dp_mst_helper.h>
45#include "modules/inc/mod_freesync.h"
46#include "amdgpu_dm_irq_params.h"
47
48struct amdgpu_bo;
49struct amdgpu_device;
50struct amdgpu_encoder;
51struct amdgpu_router;
52struct amdgpu_hpd;
53struct edid;
54
55#define to_amdgpu_crtc(x) container_of(x, struct amdgpu_crtc, base)
56#define to_amdgpu_connector(x) container_of(x, struct amdgpu_connector, base)
57#define to_amdgpu_encoder(x) container_of(x, struct amdgpu_encoder, base)
58#define to_amdgpu_framebuffer(x) container_of(x, struct amdgpu_framebuffer, base)
59
60#define to_dm_plane_state(x)	container_of(x, struct dm_plane_state, base)
61
62#define AMDGPU_MAX_HPD_PINS 6
63#define AMDGPU_MAX_CRTCS 6
64#define AMDGPU_MAX_PLANES 6
65#define AMDGPU_MAX_AFMT_BLOCKS 9
66
67enum amdgpu_rmx_type {
68	RMX_OFF,
69	RMX_FULL,
70	RMX_CENTER,
71	RMX_ASPECT
72};
73
74enum amdgpu_underscan_type {
75	UNDERSCAN_OFF,
76	UNDERSCAN_ON,
77	UNDERSCAN_AUTO,
78};
79
80#define AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS 50
81#define AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS 10
82
83enum amdgpu_hpd_id {
84	AMDGPU_HPD_1 = 0,
85	AMDGPU_HPD_2,
86	AMDGPU_HPD_3,
87	AMDGPU_HPD_4,
88	AMDGPU_HPD_5,
89	AMDGPU_HPD_6,
90	AMDGPU_HPD_NONE = 0xff,
91};
92
93enum amdgpu_crtc_irq {
94	AMDGPU_CRTC_IRQ_VBLANK1 = 0,
95	AMDGPU_CRTC_IRQ_VBLANK2,
96	AMDGPU_CRTC_IRQ_VBLANK3,
97	AMDGPU_CRTC_IRQ_VBLANK4,
98	AMDGPU_CRTC_IRQ_VBLANK5,
99	AMDGPU_CRTC_IRQ_VBLANK6,
100	AMDGPU_CRTC_IRQ_VLINE1,
101	AMDGPU_CRTC_IRQ_VLINE2,
102	AMDGPU_CRTC_IRQ_VLINE3,
103	AMDGPU_CRTC_IRQ_VLINE4,
104	AMDGPU_CRTC_IRQ_VLINE5,
105	AMDGPU_CRTC_IRQ_VLINE6,
106	AMDGPU_CRTC_IRQ_NONE = 0xff
107};
108
109enum amdgpu_pageflip_irq {
110	AMDGPU_PAGEFLIP_IRQ_D1 = 0,
111	AMDGPU_PAGEFLIP_IRQ_D2,
112	AMDGPU_PAGEFLIP_IRQ_D3,
113	AMDGPU_PAGEFLIP_IRQ_D4,
114	AMDGPU_PAGEFLIP_IRQ_D5,
115	AMDGPU_PAGEFLIP_IRQ_D6,
116	AMDGPU_PAGEFLIP_IRQ_NONE = 0xff
117};
118
119enum amdgpu_flip_status {
120	AMDGPU_FLIP_NONE,
121	AMDGPU_FLIP_PENDING,
122	AMDGPU_FLIP_SUBMITTED
123};
124
125#define AMDGPU_MAX_I2C_BUS 16
126
127/* amdgpu gpio-based i2c
128 * 1. "mask" reg and bits
129 *    grabs the gpio pins for software use
130 *    0=not held  1=held
131 * 2. "a" reg and bits
132 *    output pin value
133 *    0=low 1=high
134 * 3. "en" reg and bits
135 *    sets the pin direction
136 *    0=input 1=output
137 * 4. "y" reg and bits
138 *    input pin value
139 *    0=low 1=high
140 */
141struct amdgpu_i2c_bus_rec {
142	bool valid;
143	/* id used by atom */
144	uint8_t i2c_id;
145	/* id used by atom */
146	enum amdgpu_hpd_id hpd;
147	/* can be used with hw i2c engine */
148	bool hw_capable;
149	/* uses multi-media i2c engine */
150	bool mm_i2c;
151	/* regs and bits */
152	uint32_t mask_clk_reg;
153	uint32_t mask_data_reg;
154	uint32_t a_clk_reg;
155	uint32_t a_data_reg;
156	uint32_t en_clk_reg;
157	uint32_t en_data_reg;
158	uint32_t y_clk_reg;
159	uint32_t y_data_reg;
160	uint32_t mask_clk_mask;
161	uint32_t mask_data_mask;
162	uint32_t a_clk_mask;
163	uint32_t a_data_mask;
164	uint32_t en_clk_mask;
165	uint32_t en_data_mask;
166	uint32_t y_clk_mask;
167	uint32_t y_data_mask;
168};
169
170#define AMDGPU_MAX_BIOS_CONNECTOR 16
171
172/* pll flags */
173#define AMDGPU_PLL_USE_BIOS_DIVS        (1 << 0)
174#define AMDGPU_PLL_NO_ODD_POST_DIV      (1 << 1)
175#define AMDGPU_PLL_USE_REF_DIV          (1 << 2)
176#define AMDGPU_PLL_LEGACY               (1 << 3)
177#define AMDGPU_PLL_PREFER_LOW_REF_DIV   (1 << 4)
178#define AMDGPU_PLL_PREFER_HIGH_REF_DIV  (1 << 5)
179#define AMDGPU_PLL_PREFER_LOW_FB_DIV    (1 << 6)
180#define AMDGPU_PLL_PREFER_HIGH_FB_DIV   (1 << 7)
181#define AMDGPU_PLL_PREFER_LOW_POST_DIV  (1 << 8)
182#define AMDGPU_PLL_PREFER_HIGH_POST_DIV (1 << 9)
183#define AMDGPU_PLL_USE_FRAC_FB_DIV      (1 << 10)
184#define AMDGPU_PLL_PREFER_CLOSEST_LOWER (1 << 11)
185#define AMDGPU_PLL_USE_POST_DIV         (1 << 12)
186#define AMDGPU_PLL_IS_LCD               (1 << 13)
187#define AMDGPU_PLL_PREFER_MINM_OVER_MAXP (1 << 14)
188
189struct amdgpu_pll {
190	/* reference frequency */
191	uint32_t reference_freq;
192
193	/* fixed dividers */
194	uint32_t reference_div;
195	uint32_t post_div;
196
197	/* pll in/out limits */
198	uint32_t pll_in_min;
199	uint32_t pll_in_max;
200	uint32_t pll_out_min;
201	uint32_t pll_out_max;
202	uint32_t lcd_pll_out_min;
203	uint32_t lcd_pll_out_max;
204	uint32_t best_vco;
205
206	/* divider limits */
207	uint32_t min_ref_div;
208	uint32_t max_ref_div;
209	uint32_t min_post_div;
210	uint32_t max_post_div;
211	uint32_t min_feedback_div;
212	uint32_t max_feedback_div;
213	uint32_t min_frac_feedback_div;
214	uint32_t max_frac_feedback_div;
215
216	/* flags for the current clock */
217	uint32_t flags;
218
219	/* pll id */
220	uint32_t id;
221};
222
223struct amdgpu_i2c_chan {
224	struct i2c_adapter adapter;
225	struct drm_device *dev;
226	struct i2c_algo_bit_data bit;
227	struct amdgpu_i2c_bus_rec rec;
228	struct drm_dp_aux aux;
229	bool has_aux;
230	struct mutex mutex;
231};
232
233struct amdgpu_afmt {
234	bool enabled;
235	int offset;
236	bool last_buffer_filled_status;
237	int id;
238	struct amdgpu_audio_pin *pin;
239};
240
241/*
242 * Audio
243 */
244struct amdgpu_audio_pin {
245	int			channels;
246	int			rate;
247	int			bits_per_sample;
248	u8			status_bits;
249	u8			category_code;
250	u32			offset;
251	bool			connected;
252	u32			id;
253};
254
255struct amdgpu_audio {
256	bool enabled;
257	struct amdgpu_audio_pin pin[AMDGPU_MAX_AFMT_BLOCKS];
258	int num_pins;
259};
260
261struct amdgpu_display_funcs {
262	/* display watermarks */
263	void (*bandwidth_update)(struct amdgpu_device *adev);
264	/* get frame count */
265	u32 (*vblank_get_counter)(struct amdgpu_device *adev, int crtc);
266	/* set backlight level */
267	void (*backlight_set_level)(struct amdgpu_encoder *amdgpu_encoder,
268				    u8 level);
269	/* get backlight level */
270	u8 (*backlight_get_level)(struct amdgpu_encoder *amdgpu_encoder);
271	/* hotplug detect */
272	bool (*hpd_sense)(struct amdgpu_device *adev, enum amdgpu_hpd_id hpd);
273	void (*hpd_set_polarity)(struct amdgpu_device *adev,
274				 enum amdgpu_hpd_id hpd);
275	u32 (*hpd_get_gpio_reg)(struct amdgpu_device *adev);
276	/* pageflipping */
277	void (*page_flip)(struct amdgpu_device *adev,
278			  int crtc_id, u64 crtc_base, bool async);
279	int (*page_flip_get_scanoutpos)(struct amdgpu_device *adev, int crtc,
280					u32 *vbl, u32 *position);
281	/* display topology setup */
282	void (*add_encoder)(struct amdgpu_device *adev,
283			    uint32_t encoder_enum,
284			    uint32_t supported_device,
285			    u16 caps);
286	void (*add_connector)(struct amdgpu_device *adev,
287			      uint32_t connector_id,
288			      uint32_t supported_device,
289			      int connector_type,
290			      struct amdgpu_i2c_bus_rec *i2c_bus,
291			      uint16_t connector_object_id,
292			      struct amdgpu_hpd *hpd,
293			      struct amdgpu_router *router);
294
295
296};
297
298struct amdgpu_framebuffer {
299	struct drm_framebuffer base;
300
301	uint64_t tiling_flags;
302	bool tmz_surface;
303
304	/* caching for later use */
305	uint64_t address;
306};
307
308struct amdgpu_mode_info {
309	struct atom_context *atom_context;
310	struct card_info *atom_card_info;
311	bool mode_config_initialized;
312	struct amdgpu_crtc *crtcs[AMDGPU_MAX_CRTCS];
313	struct drm_plane *planes[AMDGPU_MAX_PLANES];
314	struct amdgpu_afmt *afmt[AMDGPU_MAX_AFMT_BLOCKS];
315	/* DVI-I properties */
316	struct drm_property *coherent_mode_property;
317	/* DAC enable load detect */
318	struct drm_property *load_detect_property;
319	/* underscan */
320	struct drm_property *underscan_property;
321	struct drm_property *underscan_hborder_property;
322	struct drm_property *underscan_vborder_property;
323	/* audio */
324	struct drm_property *audio_property;
325	/* FMT dithering */
326	struct drm_property *dither_property;
327	/* hardcoded DFP edid from BIOS */
328	struct edid *bios_hardcoded_edid;
329	int bios_hardcoded_edid_size;
330
331	/* firmware flags */
332	u32 firmware_flags;
333	/* pointer to backlight encoder */
334	struct amdgpu_encoder *bl_encoder;
335	u8 bl_level; /* saved backlight level */
336	struct amdgpu_audio	audio; /* audio stuff */
337	int			num_crtc; /* number of crtcs */
338	int			num_hpd; /* number of hpd pins */
339	int			num_dig; /* number of dig blocks */
340	bool			gpu_vm_support; /* supports display from GTT */
341	int			disp_priority;
342	const struct amdgpu_display_funcs *funcs;
343	const enum drm_plane_type *plane_type;
344
345	/* Driver-private color mgmt props */
346
347	/* @plane_degamma_lut_property: Plane property to set a degamma LUT to
348	 * convert encoded values to light linear values before sampling or
349	 * blending.
350	 */
351	struct drm_property *plane_degamma_lut_property;
352	/* @plane_degamma_lut_size_property: Plane property to define the max
353	 * size of degamma LUT as supported by the driver (read-only).
354	 */
355	struct drm_property *plane_degamma_lut_size_property;
356	/**
357	 * @plane_degamma_tf_property: Plane pre-defined transfer function to
358	 * to go from scanout/encoded values to linear values.
359	 */
360	struct drm_property *plane_degamma_tf_property;
361	/**
362	 * @plane_hdr_mult_property:
363	 */
364	struct drm_property *plane_hdr_mult_property;
365
366	struct drm_property *plane_ctm_property;
367	/**
368	 * @shaper_lut_property: Plane property to set pre-blending shaper LUT
369	 * that converts color content before 3D LUT. If
370	 * plane_shaper_tf_property != Identity TF, AMD color module will
371	 * combine the user LUT values with pre-defined TF into the LUT
372	 * parameters to be programmed.
373	 */
374	struct drm_property *plane_shaper_lut_property;
375	/**
376	 * @shaper_lut_size_property: Plane property for the size of
377	 * pre-blending shaper LUT as supported by the driver (read-only).
378	 */
379	struct drm_property *plane_shaper_lut_size_property;
380	/**
381	 * @plane_shaper_tf_property: Plane property to set a predefined
382	 * transfer function for pre-blending shaper (before applying 3D LUT)
383	 * with or without LUT. There is no shaper ROM, but we can use AMD
384	 * color modules to program LUT parameters from predefined TF (or
385	 * from a combination of pre-defined TF and the custom 1D LUT).
386	 */
387	struct drm_property *plane_shaper_tf_property;
388	/**
389	 * @plane_lut3d_property: Plane property for color transformation using
390	 * a 3D LUT (pre-blending), a three-dimensional array where each
391	 * element is an RGB triplet. Each dimension has the size of
392	 * lut3d_size. The array contains samples from the approximated
393	 * function. On AMD, values between samples are estimated by
394	 * tetrahedral interpolation. The array is accessed with three indices,
395	 * one for each input dimension (color channel), blue being the
396	 * outermost dimension, red the innermost.
397	 */
398	struct drm_property *plane_lut3d_property;
399	/**
400	 * @plane_degamma_lut_size_property: Plane property to define the max
401	 * size of 3D LUT as supported by the driver (read-only). The max size
402	 * is the max size of one dimension and, therefore, the max number of
403	 * entries for 3D LUT array is the 3D LUT size cubed;
404	 */
405	struct drm_property *plane_lut3d_size_property;
406	/**
407	 * @plane_blend_lut_property: Plane property for output gamma before
408	 * blending. Userspace set a blend LUT to convert colors after 3D LUT
409	 * conversion. It works as a post-3DLUT 1D LUT. With shaper LUT, they
410	 * are sandwiching 3D LUT with two 1D LUT. If plane_blend_tf_property
411	 * != Identity TF, AMD color module will combine the user LUT values
412	 * with pre-defined TF into the LUT parameters to be programmed.
413	 */
414	struct drm_property *plane_blend_lut_property;
415	/**
416	 * @plane_blend_lut_size_property: Plane property to define the max
417	 * size of blend LUT as supported by the driver (read-only).
418	 */
419	struct drm_property *plane_blend_lut_size_property;
420	/**
421	 * @plane_blend_tf_property: Plane property to set a predefined
422	 * transfer function for pre-blending blend/out_gamma (after applying
423	 * 3D LUT) with or without LUT. There is no blend ROM, but we can use
424	 * AMD color modules to program LUT parameters from predefined TF (or
425	 * from a combination of pre-defined TF and the custom 1D LUT).
426	 */
427	struct drm_property *plane_blend_tf_property;
428	/* @regamma_tf_property: Transfer function for CRTC regamma
429	 * (post-blending). Possible values are defined by `enum
430	 * amdgpu_transfer_function`. There is no regamma ROM, but we can use
431	 * AMD color modules to program LUT parameters from predefined TF (or
432	 * from a combination of pre-defined TF and the custom 1D LUT).
433	 */
434	struct drm_property *regamma_tf_property;
435};
436
437#define AMDGPU_MAX_BL_LEVEL 0xFF
438
439struct amdgpu_backlight_privdata {
440	struct amdgpu_encoder *encoder;
441	uint8_t negative;
442};
443
444struct amdgpu_atom_ss {
445	uint16_t percentage;
446	uint16_t percentage_divider;
447	uint8_t type;
448	uint16_t step;
449	uint8_t delay;
450	uint8_t range;
451	uint8_t refdiv;
452	/* asic_ss */
453	uint16_t rate;
454	uint16_t amount;
455};
456
457struct amdgpu_crtc {
458	struct drm_crtc base;
459	int crtc_id;
460	bool enabled;
461	bool can_tile;
462	uint32_t crtc_offset;
463	struct drm_gem_object *cursor_bo;
464	uint64_t cursor_addr;
465	int cursor_x;
466	int cursor_y;
467	int cursor_hot_x;
468	int cursor_hot_y;
469	int cursor_width;
470	int cursor_height;
471	int max_cursor_width;
472	int max_cursor_height;
473	enum amdgpu_rmx_type rmx_type;
474	u8 h_border;
475	u8 v_border;
476	fixed20_12 vsc;
477	fixed20_12 hsc;
478	struct drm_display_mode native_mode;
479	u32 pll_id;
480	/* page flipping */
481	struct amdgpu_flip_work *pflip_works;
482	enum amdgpu_flip_status pflip_status;
483	int deferred_flip_completion;
484	/* parameters access from DM IRQ handler */
485	struct dm_irq_params dm_irq_params;
486	/* pll sharing */
487	struct amdgpu_atom_ss ss;
488	bool ss_enabled;
489	u32 adjusted_clock;
490	int bpc;
491	u32 pll_reference_div;
492	u32 pll_post_div;
493	u32 pll_flags;
494	struct drm_encoder *encoder;
495	struct drm_connector *connector;
496	/* for dpm */
497	u32 line_time;
498	u32 wm_low;
499	u32 wm_high;
500	u32 lb_vblank_lead_lines;
501	struct drm_display_mode hw_mode;
502	/* for virtual dce */
503	struct hrtimer vblank_timer;
504	enum amdgpu_interrupt_state vsync_timer_enabled;
505
506	int otg_inst;
507	struct drm_pending_vblank_event *event;
508
509	bool wb_pending;
510	bool wb_enabled;
511	struct drm_writeback_connector *wb_conn;
512};
513
514struct amdgpu_encoder_atom_dig {
515	bool linkb;
516	/* atom dig */
517	bool coherent_mode;
518	int dig_encoder; /* -1 disabled, 0 DIGA, 1 DIGB, etc. */
519	/* atom lvds/edp */
520	uint32_t lcd_misc;
521	uint16_t panel_pwr_delay;
522	uint32_t lcd_ss_id;
523	/* panel mode */
524	struct drm_display_mode native_mode;
525	struct backlight_device *bl_dev;
526	int dpms_mode;
527	uint8_t backlight_level;
528	int panel_mode;
529	struct amdgpu_afmt *afmt;
530};
531
532struct amdgpu_encoder {
533	struct drm_encoder base;
534	uint32_t encoder_enum;
535	uint32_t encoder_id;
536	uint32_t devices;
537	uint32_t active_device;
538	uint32_t flags;
539	uint32_t pixel_clock;
540	enum amdgpu_rmx_type rmx_type;
541	enum amdgpu_underscan_type underscan_type;
542	uint32_t underscan_hborder;
543	uint32_t underscan_vborder;
544	struct drm_display_mode native_mode;
545	void *enc_priv;
546	int audio_polling_active;
547	bool is_ext_encoder;
548	u16 caps;
549};
550
551struct amdgpu_connector_atom_dig {
552	/* displayport */
553	u8 dpcd[DP_RECEIVER_CAP_SIZE];
554	u8 downstream_ports[DP_MAX_DOWNSTREAM_PORTS];
555	u8 dp_sink_type;
556	int dp_clock;
557	int dp_lane_count;
558	bool edp_on;
559};
560
561struct amdgpu_gpio_rec {
562	bool valid;
563	u8 id;
564	u32 reg;
565	u32 mask;
566	u32 shift;
567};
568
569struct amdgpu_hpd {
570	enum amdgpu_hpd_id hpd;
571	u8 plugged_state;
572	struct amdgpu_gpio_rec gpio;
573};
574
575struct amdgpu_router {
576	u32 router_id;
577	struct amdgpu_i2c_bus_rec i2c_info;
578	u8 i2c_addr;
579	/* i2c mux */
580	bool ddc_valid;
581	u8 ddc_mux_type;
582	u8 ddc_mux_control_pin;
583	u8 ddc_mux_state;
584	/* clock/data mux */
585	bool cd_valid;
586	u8 cd_mux_type;
587	u8 cd_mux_control_pin;
588	u8 cd_mux_state;
589};
590
591enum amdgpu_connector_audio {
592	AMDGPU_AUDIO_DISABLE = 0,
593	AMDGPU_AUDIO_ENABLE = 1,
594	AMDGPU_AUDIO_AUTO = 2
595};
596
597enum amdgpu_connector_dither {
598	AMDGPU_FMT_DITHER_DISABLE = 0,
599	AMDGPU_FMT_DITHER_ENABLE = 1,
600};
601
602struct amdgpu_dm_dp_aux {
603	struct drm_dp_aux aux;
604	struct ddc_service *ddc_service;
605};
606
607struct amdgpu_i2c_adapter {
608	struct i2c_adapter base;
609
610	struct ddc_service *ddc_service;
611};
612
613#define TO_DM_AUX(x) container_of((x), struct amdgpu_dm_dp_aux, aux)
614
615struct amdgpu_connector {
616	struct drm_connector base;
617	uint32_t connector_id;
618	uint32_t devices;
619	struct amdgpu_i2c_chan *ddc_bus;
620	/* some systems have an hdmi and vga port with a shared ddc line */
621	bool shared_ddc;
622	bool use_digital;
623	/* we need to mind the EDID between detect
624	   and get modes due to analog/digital/tvencoder */
625	struct edid *edid;
626	void *con_priv;
627	bool dac_load_detect;
628	bool detected_by_load; /* if the connection status was determined by load */
629	bool detected_hpd_without_ddc; /* if an HPD signal was detected on DVI, but ddc probing failed */
630	uint16_t connector_object_id;
631	struct amdgpu_hpd hpd;
632	struct amdgpu_router router;
633	struct amdgpu_i2c_chan *router_bus;
634	enum amdgpu_connector_audio audio;
635	enum amdgpu_connector_dither dither;
636	unsigned pixelclock_for_modeset;
637};
638
639/* TODO: start to use this struct and remove same field from base one */
640struct amdgpu_mst_connector {
641	struct amdgpu_connector base;
642
643	struct drm_dp_mst_topology_mgr mst_mgr;
644	struct amdgpu_dm_dp_aux dm_dp_aux;
645	struct drm_dp_mst_port *mst_output_port;
646	struct amdgpu_connector *mst_root;
647	bool is_mst_connector;
648	struct amdgpu_encoder *mst_encoder;
649};
650
651#define ENCODER_MODE_IS_DP(em) (((em) == ATOM_ENCODER_MODE_DP) || \
652				((em) == ATOM_ENCODER_MODE_DP_MST))
653
654/* Driver internal use only flags of amdgpu_display_get_crtc_scanoutpos() */
655#define DRM_SCANOUTPOS_VALID        (1 << 0)
656#define DRM_SCANOUTPOS_IN_VBLANK    (1 << 1)
657#define DRM_SCANOUTPOS_ACCURATE     (1 << 2)
658#define USE_REAL_VBLANKSTART		(1 << 30)
659#define GET_DISTANCE_TO_VBLANKSTART	(1 << 31)
660
661void amdgpu_link_encoder_connector(struct drm_device *dev);
662
663struct drm_connector *
664amdgpu_get_connector_for_encoder(struct drm_encoder *encoder);
665struct drm_connector *
666amdgpu_get_connector_for_encoder_init(struct drm_encoder *encoder);
667bool amdgpu_dig_monitor_is_duallink(struct drm_encoder *encoder,
668				    u32 pixel_clock);
669
670u16 amdgpu_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder);
671struct drm_encoder *amdgpu_get_external_encoder(struct drm_encoder *encoder);
672
673bool amdgpu_display_ddc_probe(struct amdgpu_connector *amdgpu_connector,
674			      bool use_aux);
675
676void amdgpu_encoder_set_active_device(struct drm_encoder *encoder);
677
678int amdgpu_display_get_crtc_scanoutpos(struct drm_device *dev,
679			unsigned int pipe, unsigned int flags, int *vpos,
680			int *hpos, ktime_t *stime, ktime_t *etime,
681			const struct drm_display_mode *mode);
682
683int amdgpufb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
684
685void amdgpu_enc_destroy(struct drm_encoder *encoder);
686void amdgpu_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);
687bool amdgpu_display_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
688				const struct drm_display_mode *mode,
689				struct drm_display_mode *adjusted_mode);
690void amdgpu_panel_mode_fixup(struct drm_encoder *encoder,
691			     struct drm_display_mode *adjusted_mode);
692int amdgpu_display_crtc_idx_to_irq_type(struct amdgpu_device *adev, int crtc);
693
694bool amdgpu_crtc_get_scanout_position(struct drm_crtc *crtc,
695			bool in_vblank_irq, int *vpos,
696			int *hpos, ktime_t *stime, ktime_t *etime,
697			const struct drm_display_mode *mode);
698
699/* amdgpu_display.c */
700void amdgpu_display_print_display_setup(struct drm_device *dev);
701int amdgpu_display_modeset_create_props(struct amdgpu_device *adev);
702int amdgpu_display_crtc_set_config(struct drm_mode_set *set,
703				   struct drm_modeset_acquire_ctx *ctx);
704int amdgpu_display_crtc_page_flip_target(struct drm_crtc *crtc,
705				struct drm_framebuffer *fb,
706				struct drm_pending_vblank_event *event,
707				uint32_t page_flip_flags, uint32_t target,
708				struct drm_modeset_acquire_ctx *ctx);
709extern const struct drm_mode_config_funcs amdgpu_mode_funcs;
710
711#endif
712