2 * Copyright 2015 Advanced Micro Devices, Inc.
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5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
26 #ifndef __AMDGPU_DM_H__
27 #define __AMDGPU_DM_H__
29 #include <drm/drm_atomic.h>
30 #include <drm/drm_connector.h>
31 #include <drm/drm_crtc.h>
32 #include <drm/drm_dp_mst_helper.h>
33 #include <drm/drm_plane.h>
36 * This file contains the definition for amdgpu_display_manager
37 * and its API for amdgpu driver's use.
38 * This component provides all the display related functionality
39 * and this is the only component that calls DAL API.
40 * The API contained here intended for amdgpu driver use.
41 * The API that is called directly from KMS framework is located
42 * in amdgpu_dm_kms.h file
45 #define AMDGPU_DM_MAX_DISPLAY_INDEX 31
47 #include "include/amdgpu_dal_power_if.h"
48 #include "amdgpu_dm_irq.h"
51 #include "irq_types.h"
52 #include "signal_types.h"
53 #include "amdgpu_dm_crc.h"
55 /* Forward declarations */
58 struct amdgpu_dm_irq_handler_data;
63 struct common_irq_params {
64 struct amdgpu_device *adev;
65 enum dc_irq_source irq_src;
69 * struct irq_list_head - Linked-list for low context IRQ handlers.
71 * @head: The list_head within &struct handler_data
72 * @work: A work_struct containing the deferred handler work
74 struct irq_list_head {
75 struct list_head head;
76 /* In case this interrupt needs post-processing, 'work' will be queued*/
77 struct work_struct work;
81 * struct dm_compressor_info - Buffer info used by frame buffer compression
82 * @cpu_addr: MMIO cpu addr
83 * @bo_ptr: Pointer to the buffer object
84 * @gpu_addr: MMIO gpu addr
86 struct dm_comressor_info {
88 struct amdgpu_bo *bo_ptr;
93 * struct amdgpu_dm_backlight_caps - Information about backlight
95 * Describe the backlight support for ACPI or eDP AUX.
97 struct amdgpu_dm_backlight_caps {
99 * @ext_caps: Keep the data struct with all the information about the
100 * display support for HDR.
102 union dpcd_sink_ext_caps *ext_caps;
104 * @aux_min_input_signal: Min brightness value supported by the display
106 u32 aux_min_input_signal;
108 * @aux_max_input_signal: Max brightness value supported by the display
111 u32 aux_max_input_signal;
113 * @min_input_signal: minimum possible input in range 0-255.
115 int min_input_signal;
117 * @max_input_signal: maximum possible input in range 0-255.
119 int max_input_signal;
121 * @caps_valid: true if these values are from the ACPI interface.
125 * @aux_support: Describes if the display supports AUX backlight.
131 * struct amdgpu_display_manager - Central amdgpu display manager device
133 * @dc: Display Core control structure
134 * @adev: AMDGPU base driver structure
135 * @ddev: DRM base driver structure
136 * @display_indexes_num: Max number of display streams supported
137 * @irq_handler_list_table_lock: Synchronizes access to IRQ tables
138 * @backlight_dev: Backlight control device
139 * @backlight_link: Link on which to control backlight
140 * @backlight_caps: Capabilities of the backlight device
141 * @freesync_module: Module handling freesync calculations
142 * @fw_dmcu: Reference to DMCU firmware
143 * @dmcu_fw_version: Version of the DMCU firmware
144 * @soc_bounding_box: SOC bounding box values provided by gpu_info FW
145 * @cached_state: Caches device atomic state for suspend/resume
146 * @compressor: Frame buffer compression buffer. See &struct dm_comressor_info
148 struct amdgpu_display_manager {
155 * DMUB service, used for controlling the DMUB on hardware
156 * that supports it. The pointer to the dmub_srv will be
157 * NULL on hardware that does not support it.
159 struct dmub_srv *dmub_srv;
164 * Framebuffer regions for the DMUB.
166 struct dmub_srv_fb_info *dmub_fb_info;
171 * DMUB firmware, required on hardware that has DMUB support.
173 const struct firmware *dmub_fw;
178 * Buffer object for the DMUB.
180 struct amdgpu_bo *dmub_bo;
185 * GPU virtual address for the DMUB buffer object.
187 u64 dmub_bo_gpu_addr;
192 * CPU address for the DMUB buffer object.
194 void *dmub_bo_cpu_addr;
199 * DMCUB firmware version.
201 uint32_t dmcub_fw_version;
206 * The Common Graphics Services device. It provides an interface for
207 * accessing registers.
209 struct cgs_device *cgs_device;
211 struct amdgpu_device *adev;
212 struct drm_device *ddev;
213 u16 display_indexes_num;
218 * In combination with &dm_atomic_state it helps manage
219 * global atomic state that doesn't map cleanly into existing
220 * drm resources, like &dc_context.
222 struct drm_private_obj atomic_obj;
227 * Guards access to DC functions that can issue register write
230 struct mutex dc_lock;
235 * Guards access to audio instance changes.
237 struct mutex audio_lock;
242 * Used to notify ELD changes to sound driver.
244 struct drm_audio_component *audio_component;
249 * True if the audio component has been registered
250 * successfully, false otherwise.
252 bool audio_registered;
255 * @irq_handler_list_low_tab:
257 * Low priority IRQ handler table.
259 * It is a n*m table consisting of n IRQ sources, and m handlers per IRQ
260 * source. Low priority IRQ handlers are deferred to a workqueue to be
261 * processed. Hence, they can sleep.
263 * Note that handlers are called in the same order as they were
266 struct irq_list_head irq_handler_list_low_tab[DAL_IRQ_SOURCES_NUMBER];
269 * @irq_handler_list_high_tab:
271 * High priority IRQ handler table.
273 * It is a n*m table, same as &irq_handler_list_low_tab. However,
274 * handlers in this table are not deferred and are called immediately.
276 struct list_head irq_handler_list_high_tab[DAL_IRQ_SOURCES_NUMBER];
281 * Page flip IRQ parameters, passed to registered handlers when
284 struct common_irq_params
285 pflip_params[DC_IRQ_SOURCE_PFLIP_LAST - DC_IRQ_SOURCE_PFLIP_FIRST + 1];
290 * Vertical blanking IRQ parameters, passed to registered handlers when
293 struct common_irq_params
294 vblank_params[DC_IRQ_SOURCE_VBLANK6 - DC_IRQ_SOURCE_VBLANK1 + 1];
299 * Vertical update IRQ parameters, passed to registered handlers when
302 struct common_irq_params
303 vupdate_params[DC_IRQ_SOURCE_VUPDATE6 - DC_IRQ_SOURCE_VUPDATE1 + 1];
305 spinlock_t irq_handler_list_table_lock;
307 struct backlight_device *backlight_dev;
309 const struct dc_link *backlight_link;
310 struct amdgpu_dm_backlight_caps backlight_caps;
312 struct mod_freesync *freesync_module;
313 #ifdef CONFIG_DRM_AMD_DC_HDCP
314 struct hdcp_workqueue *hdcp_workqueue;
317 struct drm_atomic_state *cached_state;
319 struct dm_comressor_info compressor;
321 const struct firmware *fw_dmcu;
322 uint32_t dmcu_fw_version;
326 * gpu_info FW provided soc bounding box struct or 0 if not
329 const struct gpu_info_soc_bounding_box_v1_0 *soc_bounding_box;
332 struct amdgpu_dm_connector {
334 struct drm_connector base;
335 uint32_t connector_id;
337 /* we need to mind the EDID between detect
338 and get modes due to analog/digital/tvencoder */
341 /* shared with amdgpu */
342 struct amdgpu_hpd hpd;
344 /* number of modes generated from EDID at 'dc_sink' */
347 /* The 'old' sink - before an HPD.
348 * The 'current' sink is in dc_link->sink. */
349 struct dc_sink *dc_sink;
350 struct dc_link *dc_link;
351 struct dc_sink *dc_em_sink;
354 struct drm_dp_mst_topology_mgr mst_mgr;
355 struct amdgpu_dm_dp_aux dm_dp_aux;
356 struct drm_dp_mst_port *port;
357 struct amdgpu_dm_connector *mst_port;
358 struct amdgpu_encoder *mst_encoder;
359 struct drm_dp_aux *dsc_aux;
361 /* TODO see if we can merge with ddc_bus or make a dm_connector */
362 struct amdgpu_i2c_adapter *i2c;
364 /* Monitor range limits */
369 /* Audio instance - protected by audio_lock. */
372 struct mutex hpd_lock;
375 #ifdef CONFIG_DEBUG_FS
376 uint32_t debugfs_dpcd_address;
377 uint32_t debugfs_dpcd_size;
379 bool force_yuv420_output;
382 #define to_amdgpu_dm_connector(x) container_of(x, struct amdgpu_dm_connector, base)
384 extern const struct amdgpu_ip_block_version dm_ip_block;
386 struct amdgpu_framebuffer;
387 struct amdgpu_display_manager;
388 struct dc_validation_set;
389 struct dc_plane_state;
391 struct dm_plane_state {
392 struct drm_plane_state base;
393 struct dc_plane_state *dc_state;
396 struct dm_crtc_state {
397 struct drm_crtc_state base;
398 struct dc_stream_state *stream;
401 bool cm_is_degamma_srgb;
405 bool interrupts_enabled;
408 enum amdgpu_dm_pipe_crc_source crc_src;
410 bool freesync_timing_changed;
411 bool freesync_vrr_info_changed;
414 struct mod_freesync_config freesync_config;
415 struct mod_vrr_params vrr_params;
416 struct dc_info_packet vrr_infopacket;
421 #define to_dm_crtc_state(x) container_of(x, struct dm_crtc_state, base)
423 struct dm_atomic_state {
424 struct drm_private_state base;
426 struct dc_state *context;
429 #define to_dm_atomic_state(x) container_of(x, struct dm_atomic_state, base)
431 struct dm_connector_state {
432 struct drm_connector_state base;
434 enum amdgpu_rmx_type scaling;
435 uint8_t underscan_vborder;
436 uint8_t underscan_hborder;
437 bool underscan_enable;
438 bool freesync_capable;
444 #define to_dm_connector_state(x)\
445 container_of((x), struct dm_connector_state, base)
447 void amdgpu_dm_connector_funcs_reset(struct drm_connector *connector);
448 struct drm_connector_state *
449 amdgpu_dm_connector_atomic_duplicate_state(struct drm_connector *connector);
450 int amdgpu_dm_connector_atomic_set_property(struct drm_connector *connector,
451 struct drm_connector_state *state,
452 struct drm_property *property,
455 int amdgpu_dm_connector_atomic_get_property(struct drm_connector *connector,
456 const struct drm_connector_state *state,
457 struct drm_property *property,
460 int amdgpu_dm_get_encoder_crtc_mask(struct amdgpu_device *adev);
462 void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm,
463 struct amdgpu_dm_connector *aconnector,
465 struct dc_link *link,
468 enum drm_mode_status amdgpu_dm_connector_mode_valid(struct drm_connector *connector,
469 struct drm_display_mode *mode);
471 void dm_restore_drm_connector_state(struct drm_device *dev,
472 struct drm_connector *connector);
474 void amdgpu_dm_update_freesync_caps(struct drm_connector *connector,
477 #define MAX_COLOR_LUT_ENTRIES 4096
478 /* Legacy gamm LUT users such as X doesn't like large LUT sizes */
479 #define MAX_COLOR_LEGACY_LUT_ENTRIES 256
481 void amdgpu_dm_init_color_mod(void);
482 int amdgpu_dm_update_crtc_color_mgmt(struct dm_crtc_state *crtc);
483 int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state *crtc,
484 struct dc_plane_state *dc_plane_state);
486 void amdgpu_dm_update_connector_after_detect(
487 struct amdgpu_dm_connector *aconnector);
489 extern const struct drm_encoder_helper_funcs amdgpu_dm_encoder_helper_funcs;
491 #endif /* __AMDGPU_DM_H__ */