blob: c6f8486d8b8f37bfe9b221d459102d3368e36d4b [file] [log] [blame]
Daniel Vetter52217192016-08-12 22:48:50 +02001/*
2 * Copyright (c) 2016 Intel Corporation
3 *
4 * Permission to use, copy, modify, distribute, and sell this software and its
5 * documentation for any purpose is hereby granted without fee, provided that
6 * the above copyright notice appear in all copies and that both that copyright
7 * notice and this permission notice appear in supporting documentation, and
8 * that the name of the copyright holders not be used in advertising or
9 * publicity pertaining to distribution of the software without specific,
10 * written prior permission. The copyright holders make no representations
11 * about the suitability of this software for any purpose. It is provided "as
12 * is" without express or implied warranty.
13 *
14 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
15 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
16 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
17 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
18 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
19 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
20 * OF THIS SOFTWARE.
21 */
22
23#ifndef __DRM_CONNECTOR_H__
24#define __DRM_CONNECTOR_H__
25
26#include <linux/list.h>
Daniel Vetterea497bb2017-12-13 13:49:36 +010027#include <linux/llist.h>
Daniel Vetter52217192016-08-12 22:48:50 +020028#include <linux/ctype.h>
Maarten Lankhorst0e9f25d2017-05-01 15:37:53 +020029#include <linux/hdmi.h>
Daniel Vetter949619f2016-08-29 10:27:51 +020030#include <drm/drm_mode_object.h>
Daniel Vetterd78aa652018-09-05 15:57:05 +020031#include <drm/drm_util.h>
Daniel Vetter52217192016-08-12 22:48:50 +020032
Daniel Vetter199e4e92016-08-31 18:09:05 +020033#include <uapi/drm/drm_mode.h>
34
Daniel Vetter52217192016-08-12 22:48:50 +020035struct drm_connector_helper_funcs;
Maarten Lankhorst6c5ed5a2017-04-06 20:55:20 +020036struct drm_modeset_acquire_ctx;
Daniel Vetter52217192016-08-12 22:48:50 +020037struct drm_device;
38struct drm_crtc;
39struct drm_encoder;
40struct drm_property;
41struct drm_property_blob;
Rob Clarkfceffb322016-11-05 11:08:09 -040042struct drm_printer;
Daniel Vetter52217192016-08-12 22:48:50 +020043struct edid;
44
45enum drm_connector_force {
46 DRM_FORCE_UNSPECIFIED,
47 DRM_FORCE_OFF,
48 DRM_FORCE_ON, /* force on analog part normally */
49 DRM_FORCE_ON_DIGITAL, /* for DVI-I use digital connector */
50};
51
Daniel Vetterae2a6da2016-08-12 22:48:53 +020052/**
53 * enum drm_connector_status - status for a &drm_connector
54 *
55 * This enum is used to track the connector status. There are no separate
56 * #defines for the uapi!
57 */
Daniel Vetter52217192016-08-12 22:48:50 +020058enum drm_connector_status {
Daniel Vetterae2a6da2016-08-12 22:48:53 +020059 /**
60 * @connector_status_connected: The connector is definitely connected to
61 * a sink device, and can be enabled.
62 */
Daniel Vetter52217192016-08-12 22:48:50 +020063 connector_status_connected = 1,
Daniel Vetterae2a6da2016-08-12 22:48:53 +020064 /**
65 * @connector_status_disconnected: The connector isn't connected to a
66 * sink device which can be autodetect. For digital outputs like DP or
67 * HDMI (which can be realiable probed) this means there's really
68 * nothing there. It is driver-dependent whether a connector with this
69 * status can be lit up or not.
70 */
Daniel Vetter52217192016-08-12 22:48:50 +020071 connector_status_disconnected = 2,
Daniel Vetterae2a6da2016-08-12 22:48:53 +020072 /**
73 * @connector_status_unknown: The connector's status could not be
74 * reliably detected. This happens when probing would either cause
75 * flicker (like load-detection when the connector is in use), or when a
76 * hardware resource isn't available (like when load-detection needs a
77 * free CRTC). It should be possible to light up the connector with one
78 * of the listed fallback modes. For default configuration userspace
79 * should only try to light up connectors with unknown status when
80 * there's not connector with @connector_status_connected.
81 */
Daniel Vetter52217192016-08-12 22:48:50 +020082 connector_status_unknown = 3,
83};
84
Lyude Paul39b50c62018-10-16 16:39:46 -040085/**
86 * enum drm_connector_registration_status - userspace registration status for
87 * a &drm_connector
88 *
89 * This enum is used to track the status of initializing a connector and
90 * registering it with userspace, so that DRM can prevent bogus modesets on
91 * connectors that no longer exist.
92 */
93enum drm_connector_registration_state {
94 /**
95 * @DRM_CONNECTOR_INITIALIZING: The connector has just been created,
96 * but has yet to be exposed to userspace. There should be no
97 * additional restrictions to how the state of this connector may be
98 * modified.
99 */
100 DRM_CONNECTOR_INITIALIZING = 0,
101
102 /**
103 * @DRM_CONNECTOR_REGISTERED: The connector has been fully initialized
104 * and registered with sysfs, as such it has been exposed to
105 * userspace. There should be no additional restrictions to how the
106 * state of this connector may be modified.
107 */
108 DRM_CONNECTOR_REGISTERED = 1,
109
110 /**
111 * @DRM_CONNECTOR_UNREGISTERED: The connector has either been exposed
112 * to userspace and has since been unregistered and removed from
113 * userspace, or the connector was unregistered before it had a chance
114 * to be exposed to userspace (e.g. still in the
115 * @DRM_CONNECTOR_INITIALIZING state). When a connector is
116 * unregistered, there are additional restrictions to how its state
117 * may be modified:
118 *
119 * - An unregistered connector may only have its DPMS changed from
120 * On->Off. Once DPMS is changed to Off, it may not be switched back
121 * to On.
122 * - Modesets are not allowed on unregistered connectors, unless they
123 * would result in disabling its assigned CRTCs. This means
124 * disabling a CRTC on an unregistered connector is OK, but enabling
125 * one is not.
126 * - Removing a CRTC from an unregistered connector is OK, but new
127 * CRTCs may never be assigned to an unregistered connector.
128 */
129 DRM_CONNECTOR_UNREGISTERED = 2,
130};
131
Daniel Vetter52217192016-08-12 22:48:50 +0200132enum subpixel_order {
133 SubPixelUnknown = 0,
134 SubPixelHorizontalRGB,
135 SubPixelHorizontalBGR,
136 SubPixelVerticalRGB,
137 SubPixelVerticalBGR,
138 SubPixelNone,
Shashank Sharmaafa1c762017-03-13 16:54:01 +0530139
140};
141
Shashank Sharma62c58af2017-03-13 16:54:02 +0530142/**
143 * struct drm_scrambling: sink's scrambling support.
144 */
145struct drm_scrambling {
146 /**
147 * @supported: scrambling supported for rates > 340 Mhz.
148 */
149 bool supported;
150 /**
151 * @low_rates: scrambling supported for rates <= 340 Mhz.
152 */
153 bool low_rates;
154};
155
Shashank Sharmaafa1c762017-03-13 16:54:01 +0530156/*
157 * struct drm_scdc - Information about scdc capabilities of a HDMI 2.0 sink
158 *
159 * Provides SCDC register support and capabilities related information on a
160 * HDMI 2.0 sink. In case of a HDMI 1.4 sink, all parameter must be 0.
161 */
162struct drm_scdc {
163 /**
164 * @supported: status control & data channel present.
165 */
166 bool supported;
167 /**
168 * @read_request: sink is capable of generating scdc read request.
169 */
170 bool read_request;
Shashank Sharma62c58af2017-03-13 16:54:02 +0530171 /**
172 * @scrambling: sink's scrambling capabilities
173 */
174 struct drm_scrambling scrambling;
Shashank Sharmaafa1c762017-03-13 16:54:01 +0530175};
176
Shashank Sharma62c58af2017-03-13 16:54:02 +0530177
Shashank Sharmaafa1c762017-03-13 16:54:01 +0530178/**
179 * struct drm_hdmi_info - runtime information about the connected HDMI sink
180 *
181 * Describes if a given display supports advanced HDMI 2.0 features.
182 * This information is available in CEA-861-F extension blocks (like HF-VSDB).
183 */
184struct drm_hdmi_info {
Shashank Sharma86cc9212017-03-28 10:06:19 +0300185 /** @scdc: sink's scdc support and capabilities */
Shashank Sharmaafa1c762017-03-13 16:54:01 +0530186 struct drm_scdc scdc;
Shashank Sharmad8523152017-07-13 21:03:11 +0530187
188 /**
189 * @y420_vdb_modes: bitmap of modes which can support ycbcr420
190 * output only (not normal RGB/YCBCR444/422 outputs). There are total
191 * 107 VICs defined by CEA-861-F spec, so the size is 128 bits to map
192 * upto 128 VICs;
193 */
194 unsigned long y420_vdb_modes[BITS_TO_LONGS(128)];
Shashank Sharma832d4f22017-07-14 16:03:46 +0530195
196 /**
197 * @y420_cmdb_modes: bitmap of modes which can support ycbcr420
198 * output also, along with normal HDMI outputs. There are total 107
199 * VICs defined by CEA-861-F spec, so the size is 128 bits to map upto
200 * 128 VICs;
201 */
202 unsigned long y420_cmdb_modes[BITS_TO_LONGS(128)];
203
204 /** @y420_cmdb_map: bitmap of SVD index, to extraxt vcb modes */
205 u64 y420_cmdb_map;
Shashank Sharmae6a9a2c32017-07-13 21:03:13 +0530206
207 /** @y420_dc_modes: bitmap of deep color support index */
208 u8 y420_dc_modes;
Daniel Vetter52217192016-08-12 22:48:50 +0200209};
210
Daniel Vetterb3c6c8b2016-08-12 22:48:55 +0200211/**
Manasi Navare40ee6fb2016-12-16 12:29:06 +0200212 * enum drm_link_status - connector's link_status property value
213 *
214 * This enum is used as the connector's link status property value.
215 * It is set to the values defined in uapi.
Manasi Navare41232c12017-03-01 06:45:10 -0800216 *
217 * @DRM_LINK_STATUS_GOOD: DP Link is Good as a result of successful
218 * link training
219 * @DRM_LINK_STATUS_BAD: DP Link is BAD as a result of link training
220 * failure
Manasi Navare40ee6fb2016-12-16 12:29:06 +0200221 */
222enum drm_link_status {
223 DRM_LINK_STATUS_GOOD = DRM_MODE_LINK_STATUS_GOOD,
224 DRM_LINK_STATUS_BAD = DRM_MODE_LINK_STATUS_BAD,
225};
226
227/**
Hans de Goede8d70f392017-11-25 20:35:49 +0100228 * enum drm_panel_orientation - panel_orientation info for &drm_display_info
229 *
230 * This enum is used to track the (LCD) panel orientation. There are no
231 * separate #defines for the uapi!
232 *
233 * @DRM_MODE_PANEL_ORIENTATION_UNKNOWN: The drm driver has not provided any
234 * panel orientation information (normal
235 * for non panels) in this case the "panel
236 * orientation" connector prop will not be
237 * attached.
238 * @DRM_MODE_PANEL_ORIENTATION_NORMAL: The top side of the panel matches the
239 * top side of the device's casing.
240 * @DRM_MODE_PANEL_ORIENTATION_BOTTOM_UP: The top side of the panel matches the
241 * bottom side of the device's casing, iow
242 * the panel is mounted upside-down.
243 * @DRM_MODE_PANEL_ORIENTATION_LEFT_UP: The left side of the panel matches the
244 * top side of the device's casing.
245 * @DRM_MODE_PANEL_ORIENTATION_RIGHT_UP: The right side of the panel matches the
246 * top side of the device's casing.
247 */
248enum drm_panel_orientation {
249 DRM_MODE_PANEL_ORIENTATION_UNKNOWN = -1,
250 DRM_MODE_PANEL_ORIENTATION_NORMAL = 0,
251 DRM_MODE_PANEL_ORIENTATION_BOTTOM_UP,
252 DRM_MODE_PANEL_ORIENTATION_LEFT_UP,
253 DRM_MODE_PANEL_ORIENTATION_RIGHT_UP,
254};
255
Uma Shankard2c6a402019-02-19 22:42:59 +0530256/*
257 * This is a consolidated colorimetry list supported by HDMI and
258 * DP protocol standard. The respective connectors will register
259 * a property with the subset of this list (supported by that
260 * respective protocol). Userspace will set the colorspace through
261 * a colorspace property which will be created and exposed to
262 * userspace.
263 */
264
265/* For Default case, driver will set the colorspace */
266#define DRM_MODE_COLORIMETRY_DEFAULT 0
267/* CEA 861 Normal Colorimetry options */
268#define DRM_MODE_COLORIMETRY_NO_DATA 0
269#define DRM_MODE_COLORIMETRY_SMPTE_170M_YCC 1
270#define DRM_MODE_COLORIMETRY_BT709_YCC 2
271/* CEA 861 Extended Colorimetry Options */
272#define DRM_MODE_COLORIMETRY_XVYCC_601 3
273#define DRM_MODE_COLORIMETRY_XVYCC_709 4
274#define DRM_MODE_COLORIMETRY_SYCC_601 5
275#define DRM_MODE_COLORIMETRY_OPYCC_601 6
276#define DRM_MODE_COLORIMETRY_OPRGB 7
277#define DRM_MODE_COLORIMETRY_BT2020_CYCC 8
278#define DRM_MODE_COLORIMETRY_BT2020_RGB 9
279#define DRM_MODE_COLORIMETRY_BT2020_YCC 10
280/* Additional Colorimetry extension added as part of CTA 861.G */
281#define DRM_MODE_COLORIMETRY_DCI_P3_RGB_D65 11
282#define DRM_MODE_COLORIMETRY_DCI_P3_RGB_THEATER 12
283
Hans de Goede8d70f392017-11-25 20:35:49 +0100284/**
Laurent Pincharta0970e82019-01-12 02:42:39 +0200285 * enum drm_bus_flags - bus_flags info for &drm_display_info
286 *
287 * This enum defines signal polarities and clock edge information for signals on
288 * a bus as bitmask flags.
289 *
290 * The clock edge information is conveyed by two sets of symbols,
291 * DRM_BUS_FLAGS_*_DRIVE_\* and DRM_BUS_FLAGS_*_SAMPLE_\*. When this enum is
292 * used to describe a bus from the point of view of the transmitter, the
293 * \*_DRIVE_\* flags should be used. When used from the point of view of the
294 * receiver, the \*_SAMPLE_\* flags should be used. The \*_DRIVE_\* and
295 * \*_SAMPLE_\* flags alias each other, with the \*_SAMPLE_POSEDGE and
296 * \*_SAMPLE_NEGEDGE flags being equal to \*_DRIVE_NEGEDGE and \*_DRIVE_POSEDGE
297 * respectively. This simplifies code as signals are usually sampled on the
298 * opposite edge of the driving edge. Transmitters and receivers may however
299 * need to take other signal timings into account to convert between driving
300 * and sample edges.
301 *
302 * @DRM_BUS_FLAG_DE_LOW: The Data Enable signal is active low
303 * @DRM_BUS_FLAG_DE_HIGH: The Data Enable signal is active high
304 * @DRM_BUS_FLAG_PIXDATA_POSEDGE: Legacy value, do not use
305 * @DRM_BUS_FLAG_PIXDATA_NEGEDGE: Legacy value, do not use
306 * @DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE: Data is driven on the rising edge of
307 * the pixel clock
308 * @DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE: Data is driven on the falling edge of
309 * the pixel clock
310 * @DRM_BUS_FLAG_PIXDATA_SAMPLE_POSEDGE: Data is sampled on the rising edge of
311 * the pixel clock
312 * @DRM_BUS_FLAG_PIXDATA_SAMPLE_NEGEDGE: Data is sampled on the falling edge of
313 * the pixel clock
314 * @DRM_BUS_FLAG_DATA_MSB_TO_LSB: Data is transmitted MSB to LSB on the bus
315 * @DRM_BUS_FLAG_DATA_LSB_TO_MSB: Data is transmitted LSB to MSB on the bus
316 * @DRM_BUS_FLAG_SYNC_POSEDGE: Legacy value, do not use
317 * @DRM_BUS_FLAG_SYNC_NEGEDGE: Legacy value, do not use
318 * @DRM_BUS_FLAG_SYNC_DRIVE_POSEDGE: Sync signals are driven on the rising
319 * edge of the pixel clock
320 * @DRM_BUS_FLAG_SYNC_DRIVE_NEGEDGE: Sync signals are driven on the falling
321 * edge of the pixel clock
322 * @DRM_BUS_FLAG_SYNC_SAMPLE_POSEDGE: Sync signals are sampled on the rising
323 * edge of the pixel clock
324 * @DRM_BUS_FLAG_SYNC_SAMPLE_NEGEDGE: Sync signals are sampled on the falling
325 * edge of the pixel clock
326 */
327enum drm_bus_flags {
328 DRM_BUS_FLAG_DE_LOW = BIT(0),
329 DRM_BUS_FLAG_DE_HIGH = BIT(1),
330 DRM_BUS_FLAG_PIXDATA_POSEDGE = BIT(2),
331 DRM_BUS_FLAG_PIXDATA_NEGEDGE = BIT(3),
332 DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE = DRM_BUS_FLAG_PIXDATA_POSEDGE,
333 DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE = DRM_BUS_FLAG_PIXDATA_NEGEDGE,
334 DRM_BUS_FLAG_PIXDATA_SAMPLE_POSEDGE = DRM_BUS_FLAG_PIXDATA_NEGEDGE,
335 DRM_BUS_FLAG_PIXDATA_SAMPLE_NEGEDGE = DRM_BUS_FLAG_PIXDATA_POSEDGE,
336 DRM_BUS_FLAG_DATA_MSB_TO_LSB = BIT(4),
337 DRM_BUS_FLAG_DATA_LSB_TO_MSB = BIT(5),
338 DRM_BUS_FLAG_SYNC_POSEDGE = BIT(6),
339 DRM_BUS_FLAG_SYNC_NEGEDGE = BIT(7),
340 DRM_BUS_FLAG_SYNC_DRIVE_POSEDGE = DRM_BUS_FLAG_SYNC_POSEDGE,
341 DRM_BUS_FLAG_SYNC_DRIVE_NEGEDGE = DRM_BUS_FLAG_SYNC_NEGEDGE,
342 DRM_BUS_FLAG_SYNC_SAMPLE_POSEDGE = DRM_BUS_FLAG_SYNC_NEGEDGE,
343 DRM_BUS_FLAG_SYNC_SAMPLE_NEGEDGE = DRM_BUS_FLAG_SYNC_POSEDGE,
344};
345
346/**
Daniel Vetterb3c6c8b2016-08-12 22:48:55 +0200347 * struct drm_display_info - runtime data about the connected sink
348 *
349 * Describes a given display (e.g. CRT or flat panel) and its limitations. For
350 * fixed display sinks like built-in panels there's not much difference between
Daniel Vetterea0dd852016-12-29 21:48:26 +0100351 * this and &struct drm_connector. But for sinks with a real cable this
Daniel Vetterb3c6c8b2016-08-12 22:48:55 +0200352 * structure is meant to describe all the things at the other end of the cable.
353 *
354 * For sinks which provide an EDID this can be filled out by calling
355 * drm_add_edid_modes().
Daniel Vetter52217192016-08-12 22:48:50 +0200356 */
357struct drm_display_info {
Daniel Vetterb3c6c8b2016-08-12 22:48:55 +0200358 /**
Daniel Vetterb3c6c8b2016-08-12 22:48:55 +0200359 * @width_mm: Physical width in mm.
360 */
Ville Syrjäläa9ab81d2019-03-26 19:33:59 +0200361 unsigned int width_mm;
362
Daniel Vetterb3c6c8b2016-08-12 22:48:55 +0200363 /**
364 * @height_mm: Physical height in mm.
365 */
Daniel Vetter52217192016-08-12 22:48:50 +0200366 unsigned int height_mm;
367
Daniel Vetterb3c6c8b2016-08-12 22:48:55 +0200368 /**
Daniel Vetterb3c6c8b2016-08-12 22:48:55 +0200369 * @bpc: Maximum bits per color channel. Used by HDMI and DP outputs.
370 */
Daniel Vetter52217192016-08-12 22:48:50 +0200371 unsigned int bpc;
372
Daniel Vetterb3c6c8b2016-08-12 22:48:55 +0200373 /**
374 * @subpixel_order: Subpixel order of LCD panels.
375 */
Daniel Vetter52217192016-08-12 22:48:50 +0200376 enum subpixel_order subpixel_order;
377
378#define DRM_COLOR_FORMAT_RGB444 (1<<0)
379#define DRM_COLOR_FORMAT_YCRCB444 (1<<1)
380#define DRM_COLOR_FORMAT_YCRCB422 (1<<2)
Shashank Sharma832d4f22017-07-14 16:03:46 +0530381#define DRM_COLOR_FORMAT_YCRCB420 (1<<3)
Daniel Vetter52217192016-08-12 22:48:50 +0200382
Daniel Vetterb3c6c8b2016-08-12 22:48:55 +0200383 /**
Hans de Goede8d70f392017-11-25 20:35:49 +0100384 * @panel_orientation: Read only connector property for built-in panels,
385 * indicating the orientation of the panel vs the device's casing.
386 * drm_connector_init() sets this to DRM_MODE_PANEL_ORIENTATION_UNKNOWN.
387 * When not UNKNOWN this gets used by the drm_fb_helpers to rotate the
388 * fb to compensate and gets exported as prop to userspace.
389 */
390 int panel_orientation;
391
392 /**
Daniel Vetterb3c6c8b2016-08-12 22:48:55 +0200393 * @color_formats: HDMI Color formats, selects between RGB and YCrCb
394 * modes. Used DRM_COLOR_FORMAT\_ defines, which are _not_ the same ones
395 * as used to describe the pixel format in framebuffers, and also don't
396 * match the formats in @bus_formats which are shared with v4l.
397 */
Daniel Vetter52217192016-08-12 22:48:50 +0200398 u32 color_formats;
399
Daniel Vetterb3c6c8b2016-08-12 22:48:55 +0200400 /**
401 * @bus_formats: Pixel data format on the wire, somewhat redundant with
402 * @color_formats. Array of size @num_bus_formats encoded using
403 * MEDIA_BUS_FMT\_ defines shared with v4l and media drivers.
404 */
Daniel Vetter52217192016-08-12 22:48:50 +0200405 const u32 *bus_formats;
Daniel Vetterb3c6c8b2016-08-12 22:48:55 +0200406 /**
407 * @num_bus_formats: Size of @bus_formats array.
408 */
Daniel Vetter52217192016-08-12 22:48:50 +0200409 unsigned int num_bus_formats;
410
Daniel Vetterb3c6c8b2016-08-12 22:48:55 +0200411 /**
412 * @bus_flags: Additional information (like pixel signal polarity) for
Laurent Pincharta0970e82019-01-12 02:42:39 +0200413 * the pixel data on the bus, using &enum drm_bus_flags values
414 * DRM_BUS_FLAGS\_.
Daniel Vetterb3c6c8b2016-08-12 22:48:55 +0200415 */
Daniel Vetter52217192016-08-12 22:48:50 +0200416 u32 bus_flags;
417
Daniel Vetterb3c6c8b2016-08-12 22:48:55 +0200418 /**
Ville Syrjälä2a272ca2016-09-28 16:51:37 +0300419 * @max_tmds_clock: Maximum TMDS clock rate supported by the
420 * sink in kHz. 0 means undefined.
421 */
422 int max_tmds_clock;
423
424 /**
425 * @dvi_dual: Dual-link DVI sink?
426 */
427 bool dvi_dual;
428
429 /**
Ville Syrjäläf1781e92017-11-13 19:04:19 +0200430 * @has_hdmi_infoframe: Does the sink support the HDMI infoframe?
431 */
432 bool has_hdmi_infoframe;
433
434 /**
Ville Syrjälä1581b2d2019-01-08 19:28:28 +0200435 * @rgb_quant_range_selectable: Does the sink support selecting
436 * the RGB quantization range?
437 */
438 bool rgb_quant_range_selectable;
439
440 /**
Daniel Vetterb3c6c8b2016-08-12 22:48:55 +0200441 * @edid_hdmi_dc_modes: Mask of supported hdmi deep color modes. Even
442 * more stuff redundant with @bus_formats.
443 */
Daniel Vetter52217192016-08-12 22:48:50 +0200444 u8 edid_hdmi_dc_modes;
445
Daniel Vetterb3c6c8b2016-08-12 22:48:55 +0200446 /**
447 * @cea_rev: CEA revision of the HDMI sink.
448 */
Daniel Vetter52217192016-08-12 22:48:50 +0200449 u8 cea_rev;
Shashank Sharmaafa1c762017-03-13 16:54:01 +0530450
451 /**
452 * @hdmi: advance features of a HDMI sink.
453 */
454 struct drm_hdmi_info hdmi;
Dave Airlie66660d42017-10-16 05:08:09 +0100455
456 /**
457 * @non_desktop: Non desktop display (HMD).
458 */
459 bool non_desktop;
Daniel Vetter52217192016-08-12 22:48:50 +0200460};
461
Daniel Vetterb3c6c8b2016-08-12 22:48:55 +0200462int drm_display_info_set_bus_formats(struct drm_display_info *info,
463 const u32 *formats,
464 unsigned int num_formats);
465
Daniel Vetter52217192016-08-12 22:48:50 +0200466/**
Boris Brezillon299a16b2016-12-02 14:48:09 +0100467 * struct drm_tv_connector_state - TV connector related states
468 * @subconnector: selected subconnector
Boris Brezillon56406e12018-12-06 15:24:36 +0100469 * @margins: margins (all margins are expressed in pixels)
Jani Nikula07d85292018-02-19 12:40:09 +0200470 * @margins.left: left margin
471 * @margins.right: right margin
472 * @margins.top: top margin
473 * @margins.bottom: bottom margin
Boris Brezillon299a16b2016-12-02 14:48:09 +0100474 * @mode: TV mode
475 * @brightness: brightness in percent
476 * @contrast: contrast in percent
477 * @flicker_reduction: flicker reduction in percent
478 * @overscan: overscan in percent
479 * @saturation: saturation in percent
480 * @hue: hue in percent
481 */
482struct drm_tv_connector_state {
483 enum drm_mode_subconnector subconnector;
484 struct {
485 unsigned int left;
486 unsigned int right;
487 unsigned int top;
488 unsigned int bottom;
489 } margins;
490 unsigned int mode;
491 unsigned int brightness;
492 unsigned int contrast;
493 unsigned int flicker_reduction;
494 unsigned int overscan;
495 unsigned int saturation;
496 unsigned int hue;
497};
498
499/**
Daniel Vetter52217192016-08-12 22:48:50 +0200500 * struct drm_connector_state - mutable connector state
Daniel Vetter52217192016-08-12 22:48:50 +0200501 */
502struct drm_connector_state {
Daniel Vetteraab999a2018-07-09 10:40:04 +0200503 /** @connector: backpointer to the connector */
Daniel Vetter52217192016-08-12 22:48:50 +0200504 struct drm_connector *connector;
505
Daniel Vetterafb21ea62016-08-31 18:09:04 +0200506 /**
507 * @crtc: CRTC to connect connector to, NULL if disabled.
508 *
509 * Do not change this directly, use drm_atomic_set_crtc_for_connector()
510 * instead.
511 */
512 struct drm_crtc *crtc;
Daniel Vetter52217192016-08-12 22:48:50 +0200513
Daniel Vetteraab999a2018-07-09 10:40:04 +0200514 /**
515 * @best_encoder:
516 *
517 * Used by the atomic helpers to select the encoder, through the
518 * &drm_connector_helper_funcs.atomic_best_encoder or
519 * &drm_connector_helper_funcs.best_encoder callbacks.
Daniel Vetter27edadf2019-05-06 16:46:29 +0200520 *
Laurent Pinchart1b27fbd2019-06-11 16:51:43 -0400521 * This is also used in the atomic helpers to map encoders to their
522 * current and previous connectors, see
523 * &drm_atomic_get_old_connector_for_encoder() and
524 * &drm_atomic_get_new_connector_for_encoder().
525 *
Daniel Vetter27edadf2019-05-06 16:46:29 +0200526 * NOTE: Atomic drivers must fill this out (either themselves or through
527 * helpers), for otherwise the GETCONNECTOR and GETENCODER IOCTLs will
528 * not return correct data to userspace.
Daniel Vetteraab999a2018-07-09 10:40:04 +0200529 */
Daniel Vetter52217192016-08-12 22:48:50 +0200530 struct drm_encoder *best_encoder;
531
Manasi Navare40ee6fb2016-12-16 12:29:06 +0200532 /**
533 * @link_status: Connector link_status to keep track of whether link is
534 * GOOD or BAD to notify userspace if retraining is necessary.
535 */
536 enum drm_link_status link_status;
537
Daniel Vetteraab999a2018-07-09 10:40:04 +0200538 /** @state: backpointer to global drm_atomic_state */
Daniel Vetter52217192016-08-12 22:48:50 +0200539 struct drm_atomic_state *state;
Boris Brezillon299a16b2016-12-02 14:48:09 +0100540
Maarten Lankhorst21a01ab2017-09-04 12:48:37 +0200541 /**
542 * @commit: Tracks the pending commit to prevent use-after-free conditions.
543 *
544 * Is only set when @crtc is NULL.
545 */
546 struct drm_crtc_commit *commit;
547
Daniel Vetteraab999a2018-07-09 10:40:04 +0200548 /** @tv: TV connector state */
Boris Brezillon299a16b2016-12-02 14:48:09 +0100549 struct drm_tv_connector_state tv;
Maarten Lankhorst0e9f25d2017-05-01 15:37:53 +0200550
551 /**
Sean Paul1452c252019-06-12 10:50:19 -0400552 * @self_refresh_aware:
553 *
554 * This tracks whether a connector is aware of the self refresh state.
555 * It should be set to true for those connector implementations which
556 * understand the self refresh state. This is needed since the crtc
557 * registers the self refresh helpers and it doesn't know if the
558 * connectors downstream have implemented self refresh entry/exit.
559 *
560 * Drivers should set this to true in atomic_check if they know how to
561 * handle self_refresh requests.
562 */
563 bool self_refresh_aware;
564
565 /**
Maarten Lankhorst0e9f25d2017-05-01 15:37:53 +0200566 * @picture_aspect_ratio: Connector property to control the
567 * HDMI infoframe aspect ratio setting.
568 *
Maarten Lankhorst8f6e1e22017-05-01 15:37:54 +0200569 * The %DRM_MODE_PICTURE_ASPECT_\* values much match the
Maarten Lankhorst0e9f25d2017-05-01 15:37:53 +0200570 * values for &enum hdmi_picture_aspect
571 */
572 enum hdmi_picture_aspect picture_aspect_ratio;
Maarten Lankhorst8f6e1e22017-05-01 15:37:54 +0200573
574 /**
Stanislav Lisovskiy50525c32018-05-15 16:59:27 +0300575 * @content_type: Connector property to control the
576 * HDMI infoframe content type setting.
577 * The %DRM_MODE_CONTENT_TYPE_\* values much
578 * match the values.
579 */
580 unsigned int content_type;
581
582 /**
Maarten Lankhorst8f6e1e22017-05-01 15:37:54 +0200583 * @scaling_mode: Connector property to control the
584 * upscaling, mostly used for built-in panels.
585 */
586 unsigned int scaling_mode;
Sean Paul24557862018-01-08 14:55:37 -0500587
588 /**
589 * @content_protection: Connector property to request content
590 * protection. This is most commonly used for HDCP.
591 */
592 unsigned int content_protection;
Brian Starkey935774c2017-03-29 17:42:32 +0100593
594 /**
Uma Shankard2c6a402019-02-19 22:42:59 +0530595 * @colorspace: State variable for Connector property to request
596 * colorspace change on Sink. This is most commonly used to switch
597 * to wider color gamuts like BT2020.
598 */
599 u32 colorspace;
600
601 /**
Brian Starkey935774c2017-03-29 17:42:32 +0100602 * @writeback_job: Writeback job for writeback connectors
603 *
Brian Starkeyb13cc8d2017-03-29 17:42:33 +0100604 * Holds the framebuffer and out-fence for a writeback connector. As
605 * the writeback completion may be asynchronous to the normal commit
606 * cycle, the writeback job lifetime is managed separately from the
607 * normal atomic state by this object.
Brian Starkey935774c2017-03-29 17:42:32 +0100608 *
609 * See also: drm_writeback_queue_job() and
610 * drm_writeback_signal_completion()
611 */
612 struct drm_writeback_job *writeback_job;
Radhakrishna Sripada47e22ff2018-10-12 11:42:32 -0700613
614 /**
615 * @max_requested_bpc: Connector property to limit the maximum bit
616 * depth of the pixels.
617 */
618 u8 max_requested_bpc;
619
620 /**
621 * @max_bpc: Connector max_bpc based on the requested max_bpc property
622 * and the connector bpc limitations obtained from edid.
623 */
624 u8 max_bpc;
Uma Shankarfbb5d032019-05-16 19:40:06 +0530625
626 /**
627 * @hdr_output_metadata:
628 * DRM blob property for HDR output metadata
629 */
630 struct drm_property_blob *hdr_output_metadata;
Daniel Vetter52217192016-08-12 22:48:50 +0200631};
632
633/**
634 * struct drm_connector_funcs - control connectors on a given device
635 *
636 * Each CRTC may have one or more connectors attached to it. The functions
637 * below allow the core DRM code to control connectors, enumerate available modes,
638 * etc.
639 */
640struct drm_connector_funcs {
641 /**
642 * @dpms:
643 *
644 * Legacy entry point to set the per-connector DPMS state. Legacy DPMS
645 * is exposed as a standard property on the connector, but diverted to
646 * this callback in the drm core. Note that atomic drivers don't
647 * implement the 4 level DPMS support on the connector any more, but
648 * instead only have an on/off "ACTIVE" property on the CRTC object.
649 *
Daniel Vetter144a7992017-07-25 14:02:04 +0200650 * This hook is not used by atomic drivers, remapping of the legacy DPMS
651 * property is entirely handled in the DRM core.
Daniel Vetter52217192016-08-12 22:48:50 +0200652 *
653 * RETURNS:
654 *
655 * 0 on success or a negative error code on failure.
656 */
657 int (*dpms)(struct drm_connector *connector, int mode);
658
659 /**
660 * @reset:
661 *
662 * Reset connector hardware and software state to off. This function isn't
663 * called by the core directly, only through drm_mode_config_reset().
664 * It's not a helper hook only for historical reasons.
665 *
666 * Atomic drivers can use drm_atomic_helper_connector_reset() to reset
667 * atomic state using this hook.
668 */
669 void (*reset)(struct drm_connector *connector);
670
671 /**
672 * @detect:
673 *
674 * Check to see if anything is attached to the connector. The parameter
675 * force is set to false whilst polling, true when checking the
676 * connector due to a user request. force can be used by the driver to
677 * avoid expensive, destructive operations during automated probing.
678 *
Laurent Pinchart949f0882016-11-29 22:56:30 +0200679 * This callback is optional, if not implemented the connector will be
680 * considered as always being attached.
681 *
Daniel Vetter52217192016-08-12 22:48:50 +0200682 * FIXME:
683 *
684 * Note that this hook is only called by the probe helper. It's not in
685 * the helper library vtable purely for historical reasons. The only DRM
686 * core entry point to probe connector state is @fill_modes.
687 *
Maarten Lankhorst6c5ed5a2017-04-06 20:55:20 +0200688 * Note that the helper library will already hold
689 * &drm_mode_config.connection_mutex. Drivers which need to grab additional
690 * locks to avoid races with concurrent modeset changes need to use
691 * &drm_connector_helper_funcs.detect_ctx instead.
692 *
Daniel Vetter52217192016-08-12 22:48:50 +0200693 * RETURNS:
694 *
695 * drm_connector_status indicating the connector's status.
696 */
697 enum drm_connector_status (*detect)(struct drm_connector *connector,
698 bool force);
699
700 /**
701 * @force:
702 *
703 * This function is called to update internal encoder state when the
704 * connector is forced to a certain state by userspace, either through
705 * the sysfs interfaces or on the kernel cmdline. In that case the
706 * @detect callback isn't called.
707 *
708 * FIXME:
709 *
710 * Note that this hook is only called by the probe helper. It's not in
711 * the helper library vtable purely for historical reasons. The only DRM
712 * core entry point to probe connector state is @fill_modes.
713 */
714 void (*force)(struct drm_connector *connector);
715
716 /**
717 * @fill_modes:
718 *
719 * Entry point for output detection and basic mode validation. The
720 * driver should reprobe the output if needed (e.g. when hotplug
Daniel Vetterd5745282017-01-25 07:26:45 +0100721 * handling is unreliable), add all detected modes to &drm_connector.modes
Daniel Vetter52217192016-08-12 22:48:50 +0200722 * and filter out any the device can't support in any configuration. It
723 * also needs to filter out any modes wider or higher than the
724 * parameters max_width and max_height indicate.
725 *
726 * The drivers must also prune any modes no longer valid from
Daniel Vetterd5745282017-01-25 07:26:45 +0100727 * &drm_connector.modes. Furthermore it must update
728 * &drm_connector.status and &drm_connector.edid. If no EDID has been
729 * received for this output connector->edid must be NULL.
Daniel Vetter52217192016-08-12 22:48:50 +0200730 *
731 * Drivers using the probe helpers should use
Daniel Vetter92e1d262018-07-09 10:40:05 +0200732 * drm_helper_probe_single_connector_modes() to implement this
Daniel Vetter52217192016-08-12 22:48:50 +0200733 * function.
734 *
735 * RETURNS:
736 *
Daniel Vetterd5745282017-01-25 07:26:45 +0100737 * The number of modes detected and filled into &drm_connector.modes.
Daniel Vetter52217192016-08-12 22:48:50 +0200738 */
739 int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height);
740
741 /**
742 * @set_property:
743 *
744 * This is the legacy entry point to update a property attached to the
745 * connector.
746 *
Daniel Vetter52217192016-08-12 22:48:50 +0200747 * This callback is optional if the driver does not support any legacy
Daniel Vetter144a7992017-07-25 14:02:04 +0200748 * driver-private properties. For atomic drivers it is not used because
749 * property handling is done entirely in the DRM core.
Daniel Vetter52217192016-08-12 22:48:50 +0200750 *
751 * RETURNS:
752 *
753 * 0 on success or a negative error code on failure.
754 */
755 int (*set_property)(struct drm_connector *connector, struct drm_property *property,
756 uint64_t val);
757
758 /**
759 * @late_register:
760 *
761 * This optional hook can be used to register additional userspace
762 * interfaces attached to the connector, light backlight control, i2c,
763 * DP aux or similar interfaces. It is called late in the driver load
764 * sequence from drm_connector_register() when registering all the
765 * core drm connector interfaces. Everything added from this callback
766 * should be unregistered in the early_unregister callback.
767 *
Daniel Vetterd5745282017-01-25 07:26:45 +0100768 * This is called while holding &drm_connector.mutex.
Daniel Vettere73ab002016-12-18 14:35:45 +0100769 *
Daniel Vetter52217192016-08-12 22:48:50 +0200770 * Returns:
771 *
772 * 0 on success, or a negative error code on failure.
773 */
774 int (*late_register)(struct drm_connector *connector);
775
776 /**
777 * @early_unregister:
778 *
779 * This optional hook should be used to unregister the additional
780 * userspace interfaces attached to the connector from
Grazvydas Ignotas621a9992016-10-09 20:07:00 +0300781 * late_register(). It is called from drm_connector_unregister(),
Daniel Vetter52217192016-08-12 22:48:50 +0200782 * early in the driver unload sequence to disable userspace access
783 * before data structures are torndown.
Daniel Vettere73ab002016-12-18 14:35:45 +0100784 *
Daniel Vetterd5745282017-01-25 07:26:45 +0100785 * This is called while holding &drm_connector.mutex.
Daniel Vetter52217192016-08-12 22:48:50 +0200786 */
787 void (*early_unregister)(struct drm_connector *connector);
788
789 /**
790 * @destroy:
791 *
792 * Clean up connector resources. This is called at driver unload time
793 * through drm_mode_config_cleanup(). It can also be called at runtime
794 * when a connector is being hot-unplugged for drivers that support
795 * connector hotplugging (e.g. DisplayPort MST).
796 */
797 void (*destroy)(struct drm_connector *connector);
798
799 /**
800 * @atomic_duplicate_state:
801 *
802 * Duplicate the current atomic state for this connector and return it.
Grazvydas Ignotas621a9992016-10-09 20:07:00 +0300803 * The core and helpers guarantee that any atomic state duplicated with
Daniel Vetter52217192016-08-12 22:48:50 +0200804 * this hook and still owned by the caller (i.e. not transferred to the
Daniel Vetterd5745282017-01-25 07:26:45 +0100805 * driver by calling &drm_mode_config_funcs.atomic_commit) will be
806 * cleaned up by calling the @atomic_destroy_state hook in this
807 * structure.
Daniel Vetter52217192016-08-12 22:48:50 +0200808 *
Haneen Mohammedba1f6652018-05-25 04:25:55 +0300809 * This callback is mandatory for atomic drivers.
810 *
Daniel Vetterea0dd852016-12-29 21:48:26 +0100811 * Atomic drivers which don't subclass &struct drm_connector_state should use
Daniel Vetter52217192016-08-12 22:48:50 +0200812 * drm_atomic_helper_connector_duplicate_state(). Drivers that subclass the
813 * state structure to extend it with driver-private state should use
814 * __drm_atomic_helper_connector_duplicate_state() to make sure shared state is
815 * duplicated in a consistent fashion across drivers.
816 *
Daniel Vetterd5745282017-01-25 07:26:45 +0100817 * It is an error to call this hook before &drm_connector.state has been
Daniel Vetter52217192016-08-12 22:48:50 +0200818 * initialized correctly.
819 *
820 * NOTE:
821 *
822 * If the duplicate state references refcounted resources this hook must
823 * acquire a reference for each of them. The driver must release these
824 * references again in @atomic_destroy_state.
825 *
826 * RETURNS:
827 *
828 * Duplicated atomic state or NULL when the allocation failed.
829 */
830 struct drm_connector_state *(*atomic_duplicate_state)(struct drm_connector *connector);
831
832 /**
833 * @atomic_destroy_state:
834 *
835 * Destroy a state duplicated with @atomic_duplicate_state and release
836 * or unreference all resources it references
Haneen Mohammedba1f6652018-05-25 04:25:55 +0300837 *
838 * This callback is mandatory for atomic drivers.
Daniel Vetter52217192016-08-12 22:48:50 +0200839 */
840 void (*atomic_destroy_state)(struct drm_connector *connector,
841 struct drm_connector_state *state);
842
843 /**
844 * @atomic_set_property:
845 *
846 * Decode a driver-private property value and store the decoded value
847 * into the passed-in state structure. Since the atomic core decodes all
848 * standardized properties (even for extensions beyond the core set of
849 * properties which might not be implemented by all drivers) this
850 * requires drivers to subclass the state structure.
851 *
852 * Such driver-private properties should really only be implemented for
853 * truly hardware/vendor specific state. Instead it is preferred to
854 * standardize atomic extension and decode the properties used to expose
855 * such an extension in the core.
856 *
857 * Do not call this function directly, use
858 * drm_atomic_connector_set_property() instead.
859 *
860 * This callback is optional if the driver does not support any
861 * driver-private atomic properties.
862 *
863 * NOTE:
864 *
865 * This function is called in the state assembly phase of atomic
866 * modesets, which can be aborted for any reason (including on
867 * userspace's request to just check whether a configuration would be
868 * possible). Drivers MUST NOT touch any persistent state (hardware or
869 * software) or data structures except the passed in @state parameter.
870 *
871 * Also since userspace controls in which order properties are set this
872 * function must not do any input validation (since the state update is
873 * incomplete and hence likely inconsistent). Instead any such input
874 * validation must be done in the various atomic_check callbacks.
875 *
876 * RETURNS:
877 *
878 * 0 if the property has been found, -EINVAL if the property isn't
879 * implemented by the driver (which shouldn't ever happen, the core only
880 * asks for properties attached to this connector). No other validation
881 * is allowed by the driver. The core already checks that the property
882 * value is within the range (integer, valid enum value, ...) the driver
883 * set when registering the property.
884 */
885 int (*atomic_set_property)(struct drm_connector *connector,
886 struct drm_connector_state *state,
887 struct drm_property *property,
888 uint64_t val);
889
890 /**
891 * @atomic_get_property:
892 *
893 * Reads out the decoded driver-private property. This is used to
894 * implement the GETCONNECTOR IOCTL.
895 *
896 * Do not call this function directly, use
897 * drm_atomic_connector_get_property() instead.
898 *
899 * This callback is optional if the driver does not support any
900 * driver-private atomic properties.
901 *
902 * RETURNS:
903 *
904 * 0 on success, -EINVAL if the property isn't implemented by the
905 * driver (which shouldn't ever happen, the core only asks for
906 * properties attached to this connector).
907 */
908 int (*atomic_get_property)(struct drm_connector *connector,
909 const struct drm_connector_state *state,
910 struct drm_property *property,
911 uint64_t *val);
Rob Clarkfceffb322016-11-05 11:08:09 -0400912
913 /**
914 * @atomic_print_state:
915 *
Daniel Vetterea0dd852016-12-29 21:48:26 +0100916 * If driver subclasses &struct drm_connector_state, it should implement
Rob Clarkfceffb322016-11-05 11:08:09 -0400917 * this optional hook for printing additional driver specific state.
918 *
919 * Do not call this directly, use drm_atomic_connector_print_state()
920 * instead.
921 */
922 void (*atomic_print_state)(struct drm_printer *p,
923 const struct drm_connector_state *state);
Daniel Vetter52217192016-08-12 22:48:50 +0200924};
925
926/* mode specified on the command line */
927struct drm_cmdline_mode {
928 bool specified;
929 bool refresh_specified;
930 bool bpp_specified;
931 int xres, yres;
932 int bpp;
933 int refresh;
934 bool rb;
935 bool interlace;
936 bool cvt;
937 bool margins;
938 enum drm_connector_force force;
939};
940
941/**
942 * struct drm_connector - central DRM connector control structure
Daniel Vetter52217192016-08-12 22:48:50 +0200943 *
944 * Each connector may be connected to one or more CRTCs, or may be clonable by
945 * another connector if they can share a CRTC. Each connector also has a specific
946 * position in the broader display (referred to as a 'screen' though it could
947 * span multiple monitors).
948 */
949struct drm_connector {
Daniel Vetter92e1d262018-07-09 10:40:05 +0200950 /** @dev: parent DRM device */
Daniel Vetter52217192016-08-12 22:48:50 +0200951 struct drm_device *dev;
Daniel Vetter92e1d262018-07-09 10:40:05 +0200952 /** @kdev: kernel device for sysfs attributes */
Daniel Vetter52217192016-08-12 22:48:50 +0200953 struct device *kdev;
Daniel Vetter92e1d262018-07-09 10:40:05 +0200954 /** @attr: sysfs attributes */
Daniel Vetter52217192016-08-12 22:48:50 +0200955 struct device_attribute *attr;
Daniel Vetter92e1d262018-07-09 10:40:05 +0200956
957 /**
958 * @head:
959 *
960 * List of all connectors on a @dev, linked from
961 * &drm_mode_config.connector_list. Protected by
962 * &drm_mode_config.connector_list_lock, but please only use
963 * &drm_connector_list_iter to walk this list.
964 */
Daniel Vetter52217192016-08-12 22:48:50 +0200965 struct list_head head;
966
Daniel Vetter92e1d262018-07-09 10:40:05 +0200967 /** @base: base KMS object */
Daniel Vetter52217192016-08-12 22:48:50 +0200968 struct drm_mode_object base;
969
Daniel Vetter92e1d262018-07-09 10:40:05 +0200970 /** @name: human readable name, can be overwritten by the driver */
Daniel Vetter52217192016-08-12 22:48:50 +0200971 char *name;
972
973 /**
Daniel Vettere73ab002016-12-18 14:35:45 +0100974 * @mutex: Lock for general connector state, but currently only protects
Daniel Vetterd5745282017-01-25 07:26:45 +0100975 * @registered. Most of the connector state is still protected by
976 * &drm_mode_config.mutex.
Daniel Vettere73ab002016-12-18 14:35:45 +0100977 */
978 struct mutex mutex;
979
980 /**
Daniel Vetter52217192016-08-12 22:48:50 +0200981 * @index: Compacted connector index, which matches the position inside
982 * the mode_config.list for drivers not supporting hot-add/removing. Can
983 * be used as an array index. It is invariant over the lifetime of the
984 * connector.
985 */
986 unsigned index;
987
Daniel Vetter92e1d262018-07-09 10:40:05 +0200988 /**
989 * @connector_type:
990 * one of the DRM_MODE_CONNECTOR_<foo> types from drm_mode.h
991 */
Daniel Vetter52217192016-08-12 22:48:50 +0200992 int connector_type;
Daniel Vetter92e1d262018-07-09 10:40:05 +0200993 /** @connector_type_id: index into connector type enum */
Daniel Vetter52217192016-08-12 22:48:50 +0200994 int connector_type_id;
Daniel Vetter92e1d262018-07-09 10:40:05 +0200995 /**
996 * @interlace_allowed:
997 * Can this connector handle interlaced modes? Only used by
998 * drm_helper_probe_single_connector_modes() for mode filtering.
999 */
Daniel Vetter52217192016-08-12 22:48:50 +02001000 bool interlace_allowed;
Daniel Vetter92e1d262018-07-09 10:40:05 +02001001 /**
1002 * @doublescan_allowed:
1003 * Can this connector handle doublescan? Only used by
1004 * drm_helper_probe_single_connector_modes() for mode filtering.
1005 */
Daniel Vetter52217192016-08-12 22:48:50 +02001006 bool doublescan_allowed;
Daniel Vetter92e1d262018-07-09 10:40:05 +02001007 /**
1008 * @stereo_allowed:
1009 * Can this connector handle stereo modes? Only used by
1010 * drm_helper_probe_single_connector_modes() for mode filtering.
1011 */
Daniel Vetter52217192016-08-12 22:48:50 +02001012 bool stereo_allowed;
Shashank Sharmad8523152017-07-13 21:03:11 +05301013
1014 /**
1015 * @ycbcr_420_allowed : This bool indicates if this connector is
1016 * capable of handling YCBCR 420 output. While parsing the EDID
Matt Roper1e55a532019-02-01 17:23:26 -08001017 * blocks it's very helpful to know if the source is capable of
Shashank Sharmad8523152017-07-13 21:03:11 +05301018 * handling YCBCR 420 outputs.
1019 */
1020 bool ycbcr_420_allowed;
1021
Daniel Vettere73ab002016-12-18 14:35:45 +01001022 /**
Lyude Paul39b50c62018-10-16 16:39:46 -04001023 * @registration_state: Is this connector initializing, exposed
1024 * (registered) with userspace, or unregistered?
1025 *
Daniel Vettere73ab002016-12-18 14:35:45 +01001026 * Protected by @mutex.
1027 */
Lyude Paul39b50c62018-10-16 16:39:46 -04001028 enum drm_connector_registration_state registration_state;
Daniel Vetter91eefc02016-12-14 00:08:10 +01001029
1030 /**
1031 * @modes:
1032 * Modes available on this connector (from fill_modes() + user).
Daniel Vetterd5745282017-01-25 07:26:45 +01001033 * Protected by &drm_mode_config.mutex.
Daniel Vetter91eefc02016-12-14 00:08:10 +01001034 */
Daniel Vetterd5745282017-01-25 07:26:45 +01001035 struct list_head modes;
Daniel Vetter52217192016-08-12 22:48:50 +02001036
Daniel Vetter91eefc02016-12-14 00:08:10 +01001037 /**
1038 * @status:
1039 * One of the drm_connector_status enums (connected, not, or unknown).
Daniel Vetterd5745282017-01-25 07:26:45 +01001040 * Protected by &drm_mode_config.mutex.
Daniel Vetter91eefc02016-12-14 00:08:10 +01001041 */
Daniel Vetter52217192016-08-12 22:48:50 +02001042 enum drm_connector_status status;
1043
Daniel Vetter91eefc02016-12-14 00:08:10 +01001044 /**
1045 * @probed_modes:
1046 * These are modes added by probing with DDC or the BIOS, before
Daniel Vetterd5745282017-01-25 07:26:45 +01001047 * filtering is applied. Used by the probe helpers. Protected by
1048 * &drm_mode_config.mutex.
Daniel Vetter91eefc02016-12-14 00:08:10 +01001049 */
Daniel Vetter52217192016-08-12 22:48:50 +02001050 struct list_head probed_modes;
1051
Daniel Vetterae2a6da2016-08-12 22:48:53 +02001052 /**
1053 * @display_info: Display information is filled from EDID information
1054 * when a display is detected. For non hot-pluggable displays such as
1055 * flat panels in embedded systems, the driver should initialize the
Daniel Vetterd5745282017-01-25 07:26:45 +01001056 * &drm_display_info.width_mm and &drm_display_info.height_mm fields
1057 * with the physical size of the display.
Daniel Vetter91eefc02016-12-14 00:08:10 +01001058 *
Daniel Vetterd5745282017-01-25 07:26:45 +01001059 * Protected by &drm_mode_config.mutex.
Daniel Vetterae2a6da2016-08-12 22:48:53 +02001060 */
Daniel Vetter52217192016-08-12 22:48:50 +02001061 struct drm_display_info display_info;
Daniel Vetter92e1d262018-07-09 10:40:05 +02001062
1063 /** @funcs: connector control functions */
Daniel Vetter52217192016-08-12 22:48:50 +02001064 const struct drm_connector_funcs *funcs;
1065
Daniel Vetter92e1d262018-07-09 10:40:05 +02001066 /**
1067 * @edid_blob_ptr: DRM property containing EDID if present. Protected by
1068 * &drm_mode_config.mutex. This should be updated only by calling
Daniel Vetterc555f022018-07-09 10:40:06 +02001069 * drm_connector_update_edid_property().
Daniel Vetter92e1d262018-07-09 10:40:05 +02001070 */
Daniel Vetter52217192016-08-12 22:48:50 +02001071 struct drm_property_blob *edid_blob_ptr;
Daniel Vetter92e1d262018-07-09 10:40:05 +02001072
1073 /** @properties: property tracking for this connector */
Daniel Vetter52217192016-08-12 22:48:50 +02001074 struct drm_object_properties properties;
1075
Daniel Vetter92e1d262018-07-09 10:40:05 +02001076 /**
1077 * @scaling_mode_property: Optional atomic property to control the
1078 * upscaling. See drm_connector_attach_content_protection_property().
1079 */
Maarten Lankhorst8f6e1e22017-05-01 15:37:54 +02001080 struct drm_property *scaling_mode_property;
1081
Daniel Vetter52217192016-08-12 22:48:50 +02001082 /**
Nicholas Kazlauskasba1b0f62018-09-18 09:55:20 -04001083 * @vrr_capable_property: Optional property to help userspace
1084 * query hardware support for variable refresh rate on a connector.
1085 * connector. Drivers can add the property to a connector by
1086 * calling drm_connector_attach_vrr_capable_property().
1087 *
1088 * This should be updated only by calling
1089 * drm_connector_set_vrr_capable_property().
1090 */
1091 struct drm_property *vrr_capable_property;
1092
1093 /**
Uma Shankard2c6a402019-02-19 22:42:59 +05301094 * @colorspace_property: Connector property to set the suitable
1095 * colorspace supported by the sink.
1096 */
1097 struct drm_property *colorspace_property;
1098
1099 /**
Daniel Vetter52217192016-08-12 22:48:50 +02001100 * @path_blob_ptr:
1101 *
Daniel Vetter92e1d262018-07-09 10:40:05 +02001102 * DRM blob property data for the DP MST path property. This should only
Daniel Vetter97e14fb2018-07-09 10:40:08 +02001103 * be updated by calling drm_connector_set_path_property().
Daniel Vetter52217192016-08-12 22:48:50 +02001104 */
1105 struct drm_property_blob *path_blob_ptr;
1106
Radhakrishna Sripada47e22ff2018-10-12 11:42:32 -07001107 /**
1108 * @max_bpc_property: Default connector property for the max bpc to be
1109 * driven out of the connector.
1110 */
1111 struct drm_property *max_bpc_property;
1112
Daniel Vetter52217192016-08-12 22:48:50 +02001113#define DRM_CONNECTOR_POLL_HPD (1 << 0)
Daniel Vetter52217192016-08-12 22:48:50 +02001114#define DRM_CONNECTOR_POLL_CONNECT (1 << 1)
Daniel Vetter52217192016-08-12 22:48:50 +02001115#define DRM_CONNECTOR_POLL_DISCONNECT (1 << 2)
1116
Daniel Vetterae2a6da2016-08-12 22:48:53 +02001117 /**
1118 * @polled:
1119 *
1120 * Connector polling mode, a combination of
1121 *
1122 * DRM_CONNECTOR_POLL_HPD
1123 * The connector generates hotplug events and doesn't need to be
1124 * periodically polled. The CONNECT and DISCONNECT flags must not
1125 * be set together with the HPD flag.
1126 *
1127 * DRM_CONNECTOR_POLL_CONNECT
1128 * Periodically poll the connector for connection.
1129 *
1130 * DRM_CONNECTOR_POLL_DISCONNECT
Daniel Vetter92e1d262018-07-09 10:40:05 +02001131 * Periodically poll the connector for disconnection, without
1132 * causing flickering even when the connector is in use. DACs should
1133 * rarely do this without a lot of testing.
Daniel Vetterae2a6da2016-08-12 22:48:53 +02001134 *
1135 * Set to 0 for connectors that don't support connection status
1136 * discovery.
1137 */
1138 uint8_t polled;
Daniel Vetter52217192016-08-12 22:48:50 +02001139
Daniel Vetter92e1d262018-07-09 10:40:05 +02001140 /**
1141 * @dpms: Current dpms state. For legacy drivers the
1142 * &drm_connector_funcs.dpms callback must update this. For atomic
1143 * drivers, this is handled by the core atomic code, and drivers must
1144 * only take &drm_crtc_state.active into account.
1145 */
Daniel Vetter52217192016-08-12 22:48:50 +02001146 int dpms;
1147
Daniel Vetter92e1d262018-07-09 10:40:05 +02001148 /** @helper_private: mid-layer private data */
Daniel Vetter52217192016-08-12 22:48:50 +02001149 const struct drm_connector_helper_funcs *helper_private;
1150
Daniel Vetter92e1d262018-07-09 10:40:05 +02001151 /** @cmdline_mode: mode line parsed from the kernel cmdline for this connector */
Daniel Vetter52217192016-08-12 22:48:50 +02001152 struct drm_cmdline_mode cmdline_mode;
Daniel Vetter92e1d262018-07-09 10:40:05 +02001153 /** @force: a DRM_FORCE_<foo> state for forced mode sets */
Daniel Vetter52217192016-08-12 22:48:50 +02001154 enum drm_connector_force force;
Daniel Vetter92e1d262018-07-09 10:40:05 +02001155 /** @override_edid: has the EDID been overwritten through debugfs for testing? */
Daniel Vetter52217192016-08-12 22:48:50 +02001156 bool override_edid;
1157
1158#define DRM_CONNECTOR_MAX_ENCODER 3
Daniel Vetter92e1d262018-07-09 10:40:05 +02001159 /**
1160 * @encoder_ids: Valid encoders for this connector. Please only use
1161 * drm_connector_for_each_possible_encoder() to enumerate these.
1162 */
Daniel Vetter52217192016-08-12 22:48:50 +02001163 uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER];
Daniel Vetter92e1d262018-07-09 10:40:05 +02001164
Daniel Vetter2e2b96e2017-11-08 21:30:07 +01001165 /**
1166 * @encoder: Currently bound encoder driving this connector, if any.
1167 * Only really meaningful for non-atomic drivers. Atomic drivers should
1168 * instead look at &drm_connector_state.best_encoder, and in case they
1169 * need the CRTC driving this output, &drm_connector_state.crtc.
1170 */
1171 struct drm_encoder *encoder;
Daniel Vetter52217192016-08-12 22:48:50 +02001172
1173#define MAX_ELD_BYTES 128
Daniel Vetter92e1d262018-07-09 10:40:05 +02001174 /** @eld: EDID-like data, if present */
Daniel Vetter52217192016-08-12 22:48:50 +02001175 uint8_t eld[MAX_ELD_BYTES];
Daniel Vetter92e1d262018-07-09 10:40:05 +02001176 /** @latency_present: AV delay info from ELD, if found */
Daniel Vetter52217192016-08-12 22:48:50 +02001177 bool latency_present[2];
Daniel Vetter92e1d262018-07-09 10:40:05 +02001178 /**
1179 * @video_latency: Video latency info from ELD, if found.
1180 * [0]: progressive, [1]: interlaced
1181 */
1182 int video_latency[2];
1183 /**
1184 * @audio_latency: audio latency info from ELD, if found
1185 * [0]: progressive, [1]: interlaced
1186 */
Daniel Vetter52217192016-08-12 22:48:50 +02001187 int audio_latency[2];
Daniel Vetter92e1d262018-07-09 10:40:05 +02001188 /**
1189 * @null_edid_counter: track sinks that give us all zeros for the EDID.
1190 * Needed to workaround some HW bugs where we get all 0s
1191 */
1192 int null_edid_counter;
1193
1194 /** @bad_edid_counter: track sinks that give us an EDID with invalid checksum */
Daniel Vetter52217192016-08-12 22:48:50 +02001195 unsigned bad_edid_counter;
1196
Daniel Vetter92e1d262018-07-09 10:40:05 +02001197 /**
1198 * @edid_corrupt: Indicates whether the last read EDID was corrupt. Used
1199 * in Displayport compliance testing - Displayport Link CTS Core 1.2
1200 * rev1.1 4.2.2.6
Daniel Vetter52217192016-08-12 22:48:50 +02001201 */
1202 bool edid_corrupt;
1203
Daniel Vetter92e1d262018-07-09 10:40:05 +02001204 /** @debugfs_entry: debugfs directory for this connector */
Daniel Vetter52217192016-08-12 22:48:50 +02001205 struct dentry *debugfs_entry;
1206
Daniel Vetterc9e42b72017-03-28 17:53:48 +02001207 /**
1208 * @state:
1209 *
1210 * Current atomic state for this connector.
1211 *
Daniel Vetter92e1d262018-07-09 10:40:05 +02001212 * This is protected by &drm_mode_config.connection_mutex. Note that
Daniel Vetterc9e42b72017-03-28 17:53:48 +02001213 * nonblocking atomic commits access the current connector state without
1214 * taking locks. Either by going through the &struct drm_atomic_state
Maarten Lankhorst77ac3b02017-07-19 16:39:20 +02001215 * pointers, see for_each_oldnew_connector_in_state(),
Daniel Vetterc9e42b72017-03-28 17:53:48 +02001216 * for_each_old_connector_in_state() and
1217 * for_each_new_connector_in_state(). Or through careful ordering of
1218 * atomic commit operations as implemented in the atomic helpers, see
1219 * &struct drm_crtc_commit.
1220 */
Daniel Vetter52217192016-08-12 22:48:50 +02001221 struct drm_connector_state *state;
1222
Daniel Vetter92e1d262018-07-09 10:40:05 +02001223 /* DisplayID bits. FIXME: Extract into a substruct? */
1224
1225 /**
1226 * @tile_blob_ptr:
1227 *
1228 * DRM blob property data for the tile property (used mostly by DP MST).
1229 * This is meant for screens which are driven through separate display
1230 * pipelines represented by &drm_crtc, which might not be running with
1231 * genlocked clocks. For tiled panels which are genlocked, like
1232 * dual-link LVDS or dual-link DSI, the driver should try to not expose
1233 * the tiling and virtualize both &drm_crtc and &drm_plane if needed.
1234 *
1235 * This should only be updated by calling
Daniel Vetter97e14fb2018-07-09 10:40:08 +02001236 * drm_connector_set_tile_property().
Daniel Vetter92e1d262018-07-09 10:40:05 +02001237 */
1238 struct drm_property_blob *tile_blob_ptr;
1239
1240 /** @has_tile: is this connector connected to a tiled monitor */
Daniel Vetter52217192016-08-12 22:48:50 +02001241 bool has_tile;
Daniel Vetter92e1d262018-07-09 10:40:05 +02001242 /** @tile_group: tile group for the connected monitor */
Daniel Vetter52217192016-08-12 22:48:50 +02001243 struct drm_tile_group *tile_group;
Daniel Vetter92e1d262018-07-09 10:40:05 +02001244 /** @tile_is_single_monitor: whether the tile is one monitor housing */
Daniel Vetter52217192016-08-12 22:48:50 +02001245 bool tile_is_single_monitor;
1246
Daniel Vetter92e1d262018-07-09 10:40:05 +02001247 /** @num_h_tile: number of horizontal tiles in the tile group */
1248 /** @num_v_tile: number of vertical tiles in the tile group */
Daniel Vetter52217192016-08-12 22:48:50 +02001249 uint8_t num_h_tile, num_v_tile;
Daniel Vetter92e1d262018-07-09 10:40:05 +02001250 /** @tile_h_loc: horizontal location of this tile */
1251 /** @tile_v_loc: vertical location of this tile */
Daniel Vetter52217192016-08-12 22:48:50 +02001252 uint8_t tile_h_loc, tile_v_loc;
Daniel Vetter92e1d262018-07-09 10:40:05 +02001253 /** @tile_h_size: horizontal size of this tile. */
1254 /** @tile_v_size: vertical size of this tile. */
Daniel Vetter52217192016-08-12 22:48:50 +02001255 uint16_t tile_h_size, tile_v_size;
Daniel Vettera703c552017-12-04 21:48:18 +01001256
1257 /**
Daniel Vetterea497bb2017-12-13 13:49:36 +01001258 * @free_node:
Daniel Vettera703c552017-12-04 21:48:18 +01001259 *
Daniel Vetter92e1d262018-07-09 10:40:05 +02001260 * List used only by &drm_connector_list_iter to be able to clean up a
Daniel Vetterea497bb2017-12-13 13:49:36 +01001261 * connector from any context, in conjunction with
1262 * &drm_mode_config.connector_free_work.
Daniel Vettera703c552017-12-04 21:48:18 +01001263 */
Daniel Vetterea497bb2017-12-13 13:49:36 +01001264 struct llist_node free_node;
Uma Shankarfbb5d032019-05-16 19:40:06 +05301265
Uma Shankara09db882019-06-04 16:47:02 +05301266 /** @hdr_sink_metadata: HDR Metadata Information read from sink */
Uma Shankarfbb5d032019-05-16 19:40:06 +05301267 struct hdr_sink_metadata hdr_sink_metadata;
Daniel Vetter52217192016-08-12 22:48:50 +02001268};
1269
1270#define obj_to_connector(x) container_of(x, struct drm_connector, base)
1271
1272int drm_connector_init(struct drm_device *dev,
1273 struct drm_connector *connector,
1274 const struct drm_connector_funcs *funcs,
1275 int connector_type);
Gerd Hoffmann6b7e2d52018-10-02 13:10:40 +02001276void drm_connector_attach_edid_property(struct drm_connector *connector);
Daniel Vetter52217192016-08-12 22:48:50 +02001277int drm_connector_register(struct drm_connector *connector);
1278void drm_connector_unregister(struct drm_connector *connector);
Daniel Vettercde4c442018-07-09 10:40:07 +02001279int drm_connector_attach_encoder(struct drm_connector *connector,
Daniel Vetter52217192016-08-12 22:48:50 +02001280 struct drm_encoder *encoder);
1281
1282void drm_connector_cleanup(struct drm_connector *connector);
Ville Syrjälä73705732018-06-26 22:47:10 +03001283
1284static inline unsigned int drm_connector_index(const struct drm_connector *connector)
Daniel Vetter52217192016-08-12 22:48:50 +02001285{
1286 return connector->index;
1287}
1288
Ville Syrjälä73705732018-06-26 22:47:10 +03001289static inline u32 drm_connector_mask(const struct drm_connector *connector)
1290{
1291 return 1 << connector->index;
1292}
1293
Daniel Vetter52217192016-08-12 22:48:50 +02001294/**
1295 * drm_connector_lookup - lookup connector object
1296 * @dev: DRM device
Dave Airliee7e62c72017-11-09 09:35:04 +10001297 * @file_priv: drm file to check for lease against.
Daniel Vetter52217192016-08-12 22:48:50 +02001298 * @id: connector object id
1299 *
1300 * This function looks up the connector object specified by id
1301 * add takes a reference to it.
1302 */
1303static inline struct drm_connector *drm_connector_lookup(struct drm_device *dev,
Keith Packard418da172017-03-14 23:25:07 -07001304 struct drm_file *file_priv,
Daniel Vetter52217192016-08-12 22:48:50 +02001305 uint32_t id)
1306{
1307 struct drm_mode_object *mo;
Keith Packard418da172017-03-14 23:25:07 -07001308 mo = drm_mode_object_find(dev, file_priv, id, DRM_MODE_OBJECT_CONNECTOR);
Daniel Vetter52217192016-08-12 22:48:50 +02001309 return mo ? obj_to_connector(mo) : NULL;
1310}
1311
1312/**
Thierry Redingad093602017-02-28 15:46:39 +01001313 * drm_connector_get - acquire a connector reference
1314 * @connector: DRM connector
Daniel Vetter52217192016-08-12 22:48:50 +02001315 *
1316 * This function increments the connector's refcount.
1317 */
Thierry Redingad093602017-02-28 15:46:39 +01001318static inline void drm_connector_get(struct drm_connector *connector)
Daniel Vetter52217192016-08-12 22:48:50 +02001319{
Thierry Redingad093602017-02-28 15:46:39 +01001320 drm_mode_object_get(&connector->base);
Daniel Vetter52217192016-08-12 22:48:50 +02001321}
1322
1323/**
Thierry Redingad093602017-02-28 15:46:39 +01001324 * drm_connector_put - release a connector reference
1325 * @connector: DRM connector
Daniel Vetter52217192016-08-12 22:48:50 +02001326 *
Thierry Redingad093602017-02-28 15:46:39 +01001327 * This function decrements the connector's reference count and frees the
1328 * object if the reference count drops to zero.
1329 */
1330static inline void drm_connector_put(struct drm_connector *connector)
1331{
1332 drm_mode_object_put(&connector->base);
1333}
1334
1335/**
Lyude Paul39b50c62018-10-16 16:39:46 -04001336 * drm_connector_is_unregistered - has the connector been unregistered from
1337 * userspace?
1338 * @connector: DRM connector
1339 *
1340 * Checks whether or not @connector has been unregistered from userspace.
1341 *
1342 * Returns:
1343 * True if the connector was unregistered, false if the connector is
1344 * registered or has not yet been registered with userspace.
1345 */
1346static inline bool
1347drm_connector_is_unregistered(struct drm_connector *connector)
1348{
1349 return READ_ONCE(connector->registration_state) ==
1350 DRM_CONNECTOR_UNREGISTERED;
1351}
1352
Daniel Vetter52217192016-08-12 22:48:50 +02001353const char *drm_get_connector_status_name(enum drm_connector_status status);
1354const char *drm_get_subpixel_order_name(enum subpixel_order order);
1355const char *drm_get_dpms_name(int val);
1356const char *drm_get_dvi_i_subconnector_name(int val);
1357const char *drm_get_dvi_i_select_name(int val);
1358const char *drm_get_tv_subconnector_name(int val);
1359const char *drm_get_tv_select_name(int val);
Sean Paul24557862018-01-08 14:55:37 -05001360const char *drm_get_content_protection_name(int val);
Daniel Vetter52217192016-08-12 22:48:50 +02001361
1362int drm_mode_create_dvi_i_properties(struct drm_device *dev);
Boris Brezillon6c4f52d2018-12-06 15:24:37 +01001363int drm_mode_create_tv_margin_properties(struct drm_device *dev);
Daniel Vetter52217192016-08-12 22:48:50 +02001364int drm_mode_create_tv_properties(struct drm_device *dev,
1365 unsigned int num_modes,
1366 const char * const modes[]);
Boris Brezillon6c4f52d2018-12-06 15:24:37 +01001367void drm_connector_attach_tv_margin_properties(struct drm_connector *conn);
Daniel Vetter52217192016-08-12 22:48:50 +02001368int drm_mode_create_scaling_mode_property(struct drm_device *dev);
Stanislav Lisovskiy50525c32018-05-15 16:59:27 +03001369int drm_connector_attach_content_type_property(struct drm_connector *dev);
Maarten Lankhorst8f6e1e22017-05-01 15:37:54 +02001370int drm_connector_attach_scaling_mode_property(struct drm_connector *connector,
1371 u32 scaling_mode_mask);
Nicholas Kazlauskasba1b0f62018-09-18 09:55:20 -04001372int drm_connector_attach_vrr_capable_property(
1373 struct drm_connector *connector);
Daniel Vetter52217192016-08-12 22:48:50 +02001374int drm_mode_create_aspect_ratio_property(struct drm_device *dev);
Uma Shankard2c6a402019-02-19 22:42:59 +05301375int drm_mode_create_colorspace_property(struct drm_connector *connector);
Stanislav Lisovskiy50525c32018-05-15 16:59:27 +03001376int drm_mode_create_content_type_property(struct drm_device *dev);
1377void drm_hdmi_avi_infoframe_content_type(struct hdmi_avi_infoframe *frame,
1378 const struct drm_connector_state *conn_state);
1379
Daniel Vetter52217192016-08-12 22:48:50 +02001380int drm_mode_create_suggested_offset_properties(struct drm_device *dev);
1381
Daniel Vetter97e14fb2018-07-09 10:40:08 +02001382int drm_connector_set_path_property(struct drm_connector *connector,
1383 const char *path);
1384int drm_connector_set_tile_property(struct drm_connector *connector);
Daniel Vetterc555f022018-07-09 10:40:06 +02001385int drm_connector_update_edid_property(struct drm_connector *connector,
1386 const struct edid *edid);
Daniel Vetter97e14fb2018-07-09 10:40:08 +02001387void drm_connector_set_link_status_property(struct drm_connector *connector,
1388 uint64_t link_status);
Nicholas Kazlauskasba1b0f62018-09-18 09:55:20 -04001389void drm_connector_set_vrr_capable_property(
1390 struct drm_connector *connector, bool capable);
Hans de Goede8d70f392017-11-25 20:35:49 +01001391int drm_connector_init_panel_orientation_property(
1392 struct drm_connector *connector, int width, int height);
Radhakrishna Sripada47e22ff2018-10-12 11:42:32 -07001393int drm_connector_attach_max_bpc_property(struct drm_connector *connector,
1394 int min, int max);
Daniel Vetterafb21ea62016-08-31 18:09:04 +02001395
1396/**
Daniel Vetter9498c192016-11-14 12:58:24 +01001397 * struct drm_tile_group - Tile group metadata
1398 * @refcount: reference count
1399 * @dev: DRM device
1400 * @id: tile group id exposed to userspace
1401 * @group_data: Sink-private data identifying this group
1402 *
1403 * @group_data corresponds to displayid vend/prod/serial for external screens
1404 * with an EDID.
1405 */
1406struct drm_tile_group {
1407 struct kref refcount;
1408 struct drm_device *dev;
1409 int id;
1410 u8 group_data[8];
1411};
1412
1413struct drm_tile_group *drm_mode_create_tile_group(struct drm_device *dev,
1414 char topology[8]);
1415struct drm_tile_group *drm_mode_get_tile_group(struct drm_device *dev,
1416 char topology[8]);
1417void drm_mode_put_tile_group(struct drm_device *dev,
1418 struct drm_tile_group *tg);
1419
1420/**
Daniel Vetter613051d2016-12-14 00:08:06 +01001421 * struct drm_connector_list_iter - connector_list iterator
1422 *
1423 * This iterator tracks state needed to be able to walk the connector_list
1424 * within struct drm_mode_config. Only use together with
Thierry Redingb982dab2017-02-28 15:46:43 +01001425 * drm_connector_list_iter_begin(), drm_connector_list_iter_end() and
Daniel Vetter613051d2016-12-14 00:08:06 +01001426 * drm_connector_list_iter_next() respectively the convenience macro
1427 * drm_for_each_connector_iter().
1428 */
1429struct drm_connector_list_iter {
1430/* private: */
1431 struct drm_device *dev;
1432 struct drm_connector *conn;
1433};
1434
Thierry Redingb982dab2017-02-28 15:46:43 +01001435void drm_connector_list_iter_begin(struct drm_device *dev,
1436 struct drm_connector_list_iter *iter);
Daniel Vetter613051d2016-12-14 00:08:06 +01001437struct drm_connector *
1438drm_connector_list_iter_next(struct drm_connector_list_iter *iter);
Thierry Redingb982dab2017-02-28 15:46:43 +01001439void drm_connector_list_iter_end(struct drm_connector_list_iter *iter);
Daniel Vetter613051d2016-12-14 00:08:06 +01001440
Ville Syrjälä38cb8d92018-06-28 16:13:13 +03001441bool drm_connector_has_possible_encoder(struct drm_connector *connector,
1442 struct drm_encoder *encoder);
1443
Daniel Vetter613051d2016-12-14 00:08:06 +01001444/**
1445 * drm_for_each_connector_iter - connector_list iterator macro
Daniel Vetterea0dd852016-12-29 21:48:26 +01001446 * @connector: &struct drm_connector pointer used as cursor
1447 * @iter: &struct drm_connector_list_iter
Daniel Vetter613051d2016-12-14 00:08:06 +01001448 *
1449 * Note that @connector is only valid within the list body, if you want to use
Thierry Redingb982dab2017-02-28 15:46:43 +01001450 * @connector after calling drm_connector_list_iter_end() then you need to grab
Gabriel Krisman Bertazi5e851c92017-04-20 21:38:19 -03001451 * your own reference first using drm_connector_get().
Daniel Vetter613051d2016-12-14 00:08:06 +01001452 */
1453#define drm_for_each_connector_iter(connector, iter) \
1454 while ((connector = drm_connector_list_iter_next(iter)))
1455
Ville Syrjälä83aefbb2018-06-28 16:13:09 +03001456/**
1457 * drm_connector_for_each_possible_encoder - iterate connector's possible encoders
1458 * @connector: &struct drm_connector pointer
1459 * @encoder: &struct drm_encoder pointer used as cursor
1460 * @__i: int iteration cursor, for macro-internal use
1461 */
1462#define drm_connector_for_each_possible_encoder(connector, encoder, __i) \
1463 for ((__i) = 0; (__i) < ARRAY_SIZE((connector)->encoder_ids) && \
1464 (connector)->encoder_ids[(__i)] != 0; (__i)++) \
1465 for_each_if((encoder) = \
1466 drm_encoder_find((connector)->dev, NULL, \
1467 (connector)->encoder_ids[(__i)])) \
1468
Daniel Vetter52217192016-08-12 22:48:50 +02001469#endif