1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2015 Broadcom
8 #include <linux/delay.h>
9 #include <linux/refcount.h>
10 #include <linux/uaccess.h>
12 #include <drm/drm_atomic.h>
13 #include <drm/drm_debugfs.h>
14 #include <drm/drm_device.h>
15 #include <drm/drm_encoder.h>
16 #include <drm/drm_gem_cma_helper.h>
17 #include <drm/drm_managed.h>
18 #include <drm/drm_mm.h>
19 #include <drm/drm_modeset_lock.h>
21 #include "uapi/drm/vc4_drm.h"
25 struct drm_gem_object;
27 /* Don't forget to update vc4_bo.c: bo_type_names[] when adding to
30 enum vc4_kernel_bo_type {
31 /* Any kernel allocation (gem_create_object hook) before it
32 * gets another type set.
36 VC4_BO_TYPE_V3D_SHADER,
41 VC4_BO_TYPE_KERNEL_CACHE,
45 /* Performance monitor object. The perform lifetime is controlled by userspace
46 * using perfmon related ioctls. A perfmon can be attached to a submit_cl
47 * request, and when this is the case, HW perf counters will be activated just
48 * before the submit_cl is submitted to the GPU and disabled when the job is
49 * done. This way, only events related to a specific job will be counted.
52 /* Tracks the number of users of the perfmon, when this counter reaches
53 * zero the perfmon is destroyed.
57 /* Number of counters activated in this perfmon instance
58 * (should be less than DRM_VC4_MAX_PERF_COUNTERS).
62 /* Events counted by the HW perf counters. */
63 u8 events[DRM_VC4_MAX_PERF_COUNTERS];
65 /* Storage for counter values. Counters are incremented by the HW
66 * perf counter values every time the perfmon is attached to a GPU job.
67 * This way, perfmon users don't have to retrieve the results after
68 * each job if they want to track events covering several submissions.
69 * Note that counter values can't be reset, but you can fake a reset by
70 * destroying the perfmon and creating a new one.
76 struct drm_device base;
81 struct rpi_firmware *firmware;
88 struct vc4_fkms *fkms;
90 struct vc4_hang_state *hang_state;
92 /* The kernel-space BO cache. Tracks buffers that have been
93 * unreferenced by all other users (refcounts of 0!) but not
94 * yet freed, so we can do cheap allocations.
97 /* Array of list heads for entries in the BO cache,
98 * based on number of pages, so we can do O(1) lookups
99 * in the cache when allocating.
101 struct list_head *size_list;
102 uint32_t size_list_size;
104 /* List of all BOs in the cache, ordered by age, so we
105 * can do O(1) lookups when trying to free old
108 struct list_head time_list;
109 struct work_struct time_work;
110 struct timer_list time_timer;
120 /* Protects bo_cache and bo_labels. */
121 struct mutex bo_lock;
123 /* Purgeable BO pool. All BOs in this pool can have their memory
124 * reclaimed if the driver is unable to allocate new BOs. We also
125 * keep stats related to the purge mechanism here.
128 struct list_head list;
131 unsigned int purged_num;
136 uint64_t dma_fence_context;
138 /* Sequence number for the last job queued in bin_job_list.
139 * Starts at 0 (no jobs emitted).
143 /* Sequence number for the last completed job on the GPU.
144 * Starts at 0 (no jobs completed).
146 uint64_t finished_seqno;
148 /* List of all struct vc4_exec_info for jobs to be executed in
149 * the binner. The first job in the list is the one currently
150 * programmed into ct0ca for execution.
152 struct list_head bin_job_list;
154 /* List of all struct vc4_exec_info for jobs that have
155 * completed binning and are ready for rendering. The first
156 * job in the list is the one currently programmed into ct1ca
159 struct list_head render_job_list;
161 /* List of the finished vc4_exec_infos waiting to be freed by
164 struct list_head job_done_list;
165 /* Spinlock used to synchronize the job_list and seqno
166 * accesses between the IRQ handler and GEM ioctls.
169 wait_queue_head_t job_wait_queue;
170 struct work_struct job_done_work;
172 /* Used to track the active perfmon if any. Access to this field is
173 * protected by job_lock.
175 struct vc4_perfmon *active_perfmon;
177 /* List of struct vc4_seqno_cb for callbacks to be made from a
178 * workqueue when the given seqno is passed.
180 struct list_head seqno_cb_list;
182 /* The memory used for storing binner tile alloc, tile state,
183 * and overflow memory allocations. This is freed when V3D
186 struct vc4_bo *bin_bo;
188 /* Size of blocks allocated within bin_bo. */
189 uint32_t bin_alloc_size;
191 /* Bitmask of the bin_alloc_size chunks in bin_bo that are
194 uint32_t bin_alloc_used;
196 /* Bitmask of the current bin_alloc used for overflow memory. */
197 uint32_t bin_alloc_overflow;
199 /* Incremented when an underrun error happened after an atomic commit.
200 * This is particularly useful to detect when a specific modeset is too
201 * demanding in term of memory or HVS bandwidth which is hard to guess
202 * at atomic check time.
206 struct work_struct overflow_mem_work;
210 /* Set to true when the load tracker is active. */
211 bool load_tracker_enabled;
213 /* Mutex controlling the power refcount. */
214 struct mutex power_lock;
217 struct timer_list timer;
218 struct work_struct reset_work;
221 struct drm_modeset_lock ctm_state_lock;
222 struct drm_private_obj ctm_manager;
223 struct drm_private_obj hvs_channels;
224 struct drm_private_obj load_tracker;
226 /* List of vc4_debugfs_info_entry for adding to debugfs once
227 * the minor is available (after drm_dev_register()).
229 struct list_head debugfs_list;
231 /* Mutex for binner bo allocation. */
232 struct mutex bin_bo_lock;
233 /* Reference count for our binner bo. */
234 struct kref bin_bo_kref;
237 static inline struct vc4_dev *
238 to_vc4_dev(struct drm_device *dev)
240 return container_of(dev, struct vc4_dev, base);
244 struct drm_gem_cma_object base;
246 /* seqno of the last job to render using this BO. */
249 /* seqno of the last job to use the RCL to write to this BO.
251 * Note that this doesn't include binner overflow memory
254 uint64_t write_seqno;
258 /* List entry for the BO's position in either
259 * vc4_exec_info->unref_list or vc4_dev->bo_cache.time_list
261 struct list_head unref_head;
263 /* Time in jiffies when the BO was put in vc4->bo_cache. */
264 unsigned long free_time;
266 /* List entry for the BO's position in vc4_dev->bo_cache.size_list */
267 struct list_head size_head;
269 /* Struct for shader validation state, if created by
270 * DRM_IOCTL_VC4_CREATE_SHADER_BO.
272 struct vc4_validated_shader_info *validated_shader;
274 /* One of enum vc4_kernel_bo_type, or VC4_BO_TYPE_COUNT + i
275 * for user-allocated labels.
279 /* Count the number of active users. This is needed to determine
280 * whether we can move the BO to the purgeable list or not (when the BO
281 * is used by the GPU or the display engine we can't purge it).
285 /* Store purgeable/purged state here */
287 struct mutex madv_lock;
290 static inline struct vc4_bo *
291 to_vc4_bo(struct drm_gem_object *bo)
293 return container_of(to_drm_gem_cma_obj(bo), struct vc4_bo, base);
297 struct dma_fence base;
298 struct drm_device *dev;
299 /* vc4 seqno for signaled() test */
303 static inline struct vc4_fence *
304 to_vc4_fence(struct dma_fence *fence)
306 return container_of(fence, struct vc4_fence, base);
309 struct vc4_seqno_cb {
310 struct work_struct work;
312 void (*func)(struct vc4_seqno_cb *cb);
317 struct platform_device *pdev;
320 struct debugfs_regset32 regset;
324 struct platform_device *pdev;
328 struct clk *core_clk;
330 /* Memory manager for CRTCs to allocate space in the display
331 * list. Units are dwords.
333 struct drm_mm dlist_mm;
334 /* Memory manager for the LBM memory used by HVS scaling. */
335 struct drm_mm lbm_mm;
338 struct list_head stale_dlist_entries;
339 struct work_struct free_dlist_work;
341 struct drm_mm_node mitchell_netravali_filter;
343 struct debugfs_regset32 regset;
345 /* HVS version 5 flag, therefore requires updated dlist structures */
350 struct drm_plane base;
353 static inline struct vc4_plane *
354 to_vc4_plane(struct drm_plane *plane)
356 return container_of(plane, struct vc4_plane, base);
359 enum vc4_scaling_mode {
365 struct vc4_plane_state {
366 struct drm_plane_state base;
367 /* System memory copy of the display list for this element, computed
368 * at atomic_check time.
371 u32 dlist_size; /* Number of dwords allocated for the display list */
372 u32 dlist_count; /* Number of used dwords in the display list. */
374 /* Offset in the dlist to various words, for pageflip or
382 /* Offset where the plane's dlist was last stored in the
383 * hardware at vc4_crtc_atomic_flush() time.
385 u32 __iomem *hw_dlist;
387 /* Clipped coordinates of the plane on the display. */
388 int crtc_x, crtc_y, crtc_w, crtc_h;
389 /* Clipped area being scanned from in the FB in u16.16 format */
392 u32 src_w[2], src_h[2];
394 /* Scaling selection for the RGB/Y plane and the Cb/Cr planes. */
395 enum vc4_scaling_mode x_scaling[2], y_scaling[2];
399 /* Offset to start scanning out from the start of the plane's
404 /* Our allocation in LBM for temporary storage during scaling. */
405 struct drm_mm_node lbm;
407 /* Set when the plane has per-pixel alpha content or does not cover
408 * the entire screen. This is a hint to the CRTC that it might need
409 * to enable background color fill.
413 /* Mark the dlist as initialized. Useful to avoid initializing it twice
414 * when async update is not possible.
416 bool dlist_initialized;
418 /* Load of this plane on the HVS block. The load is expressed in HVS
423 /* Memory bandwidth needed for this plane. This is expressed in
429 static inline struct vc4_plane_state *
430 to_vc4_plane_state(struct drm_plane_state *state)
432 return container_of(state, struct vc4_plane_state, base);
435 enum vc4_encoder_type {
436 VC4_ENCODER_TYPE_NONE,
437 VC4_ENCODER_TYPE_HDMI0,
438 VC4_ENCODER_TYPE_HDMI1,
439 VC4_ENCODER_TYPE_VEC,
440 VC4_ENCODER_TYPE_DSI0,
441 VC4_ENCODER_TYPE_DSI1,
442 VC4_ENCODER_TYPE_SMI,
443 VC4_ENCODER_TYPE_DPI,
447 struct drm_encoder base;
448 enum vc4_encoder_type type;
451 void (*pre_crtc_configure)(struct drm_encoder *encoder, struct drm_atomic_state *state);
452 void (*pre_crtc_enable)(struct drm_encoder *encoder, struct drm_atomic_state *state);
453 void (*post_crtc_enable)(struct drm_encoder *encoder, struct drm_atomic_state *state);
455 void (*post_crtc_disable)(struct drm_encoder *encoder, struct drm_atomic_state *state);
456 void (*post_crtc_powerdown)(struct drm_encoder *encoder, struct drm_atomic_state *state);
459 static inline struct vc4_encoder *
460 to_vc4_encoder(struct drm_encoder *encoder)
462 return container_of(encoder, struct vc4_encoder, base);
465 struct vc4_crtc_data {
466 /* Bitmask of channels (FIFOs) of the HVS that the output can source from */
467 unsigned int hvs_available_channels;
469 /* Which output of the HVS this pixelvalve sources from. */
474 struct vc4_crtc_data base;
476 /* Depth of the PixelValve FIFO in bytes */
477 unsigned int fifo_depth;
479 /* Number of pixels output per clock period */
482 enum vc4_encoder_type encoder_types[4];
483 const char *debugfs_name;
487 struct vc5_gamma_entry {
492 #define VC5_HVS_SET_GAMMA_ENTRY(x, c, g) (struct vc5_gamma_entry){ \
493 .x_c_terms = VC4_SET_FIELD((x), SCALER5_DSPGAMMA_OFF_X) | \
494 VC4_SET_FIELD((c), SCALER5_DSPGAMMA_OFF_C), \
499 struct drm_crtc base;
500 struct platform_device *pdev;
501 const struct vc4_crtc_data *data;
504 /* Timestamp at start of vblank irq - unaffected by lock delays. */
508 struct { /* VC4 gamma LUT */
513 struct { /* VC5 gamma PWL entries */
514 struct vc5_gamma_entry pwl_r[SCALER5_DSPGAMMA_NUM_POINTS];
515 struct vc5_gamma_entry pwl_g[SCALER5_DSPGAMMA_NUM_POINTS];
516 struct vc5_gamma_entry pwl_b[SCALER5_DSPGAMMA_NUM_POINTS];
517 struct vc5_gamma_entry pwl_a[SCALER5_DSPGAMMA_NUM_POINTS];
521 struct drm_pending_vblank_event *event;
523 struct debugfs_regset32 regset;
526 * @feeds_txp: True if the CRTC feeds our writeback controller.
531 * @irq_lock: Spinlock protecting the resources shared between
532 * the atomic code and our vblank handler.
537 * @current_dlist: Start offset of the display list currently
538 * set in the HVS for that CRTC. Protected by @irq_lock, and
539 * copied in vc4_hvs_update_dlist() for the CRTC interrupt
540 * handler to have access to that value.
542 unsigned int current_dlist;
545 * @current_hvs_channel: HVS channel currently assigned to the
546 * CRTC. Protected by @irq_lock, and copied in
547 * vc4_hvs_atomic_begin() for the CRTC interrupt handler to have
548 * access to that value.
550 unsigned int current_hvs_channel;
553 static inline struct vc4_crtc *
554 to_vc4_crtc(struct drm_crtc *crtc)
556 return container_of(crtc, struct vc4_crtc, base);
559 static inline const struct vc4_crtc_data *
560 vc4_crtc_to_vc4_crtc_data(const struct vc4_crtc *crtc)
565 static inline const struct vc4_pv_data *
566 vc4_crtc_to_vc4_pv_data(const struct vc4_crtc *crtc)
568 const struct vc4_crtc_data *data = vc4_crtc_to_vc4_crtc_data(crtc);
570 return container_of(data, struct vc4_pv_data, base);
573 struct drm_connector *vc4_get_crtc_connector(struct drm_crtc *crtc,
574 struct drm_crtc_state *state);
576 struct drm_encoder *vc4_get_crtc_encoder(struct drm_crtc *crtc,
577 struct drm_crtc_state *state);
579 struct vc4_hvs_dlist_allocation {
580 struct list_head node;
581 struct drm_mm_node mm_node;
582 unsigned int channel;
583 u8 target_frame_count;
586 struct vc4_crtc_state {
587 struct drm_crtc_state base;
588 struct vc4_hvs_dlist_allocation *mm;
590 unsigned int assigned_channel;
599 unsigned long hvs_load;
601 /* Transitional state below, only valid during atomic commits */
605 #define VC4_HVS_CHANNEL_DISABLED ((unsigned int)-1)
607 static inline struct vc4_crtc_state *
608 to_vc4_crtc_state(struct drm_crtc_state *crtc_state)
610 return container_of(crtc_state, struct vc4_crtc_state, base);
613 #define V3D_READ(offset) readl(vc4->v3d->regs + offset)
614 #define V3D_WRITE(offset, val) writel(val, vc4->v3d->regs + offset)
615 #define HVS_READ(offset) readl(hvs->regs + offset)
616 #define HVS_WRITE(offset, val) writel(val, hvs->regs + offset)
618 #define VC4_REG32(reg) { .name = #reg, .offset = reg }
620 struct vc4_exec_info {
621 /* Sequence number for this bin/render job. */
624 /* Latest write_seqno of any BO that binning depends on. */
625 uint64_t bin_dep_seqno;
627 struct dma_fence *fence;
629 /* Last current addresses the hardware was processing when the
630 * hangcheck timer checked on us.
632 uint32_t last_ct0ca, last_ct1ca;
634 /* Kernel-space copy of the ioctl arguments */
635 struct drm_vc4_submit_cl *args;
637 /* This is the array of BOs that were looked up at the start of exec.
638 * Command validation will use indices into this array.
640 struct drm_gem_cma_object **bo;
643 /* List of BOs that are being written by the RCL. Other than
644 * the binner temporary storage, this is all the BOs written
647 struct drm_gem_cma_object *rcl_write_bo[4];
648 uint32_t rcl_write_bo_count;
650 /* Pointers for our position in vc4->job_list */
651 struct list_head head;
653 /* List of other BOs used in the job that need to be released
654 * once the job is complete.
656 struct list_head unref_list;
658 /* Current unvalidated indices into @bo loaded by the non-hardware
659 * VC4_PACKET_GEM_HANDLES.
661 uint32_t bo_index[2];
663 /* This is the BO where we store the validated command lists, shader
664 * records, and uniforms.
666 struct drm_gem_cma_object *exec_bo;
669 * This tracks the per-shader-record state (packet 64) that
670 * determines the length of the shader record and the offset
671 * it's expected to be found at. It gets read in from the
674 struct vc4_shader_state {
676 /* Maximum vertex index referenced by any primitive using this
682 /** How many shader states the user declared they were using. */
683 uint32_t shader_state_size;
684 /** How many shader state records the validator has seen. */
685 uint32_t shader_state_count;
687 bool found_tile_binning_mode_config_packet;
688 bool found_start_tile_binning_packet;
689 bool found_increment_semaphore_packet;
691 uint8_t bin_tiles_x, bin_tiles_y;
692 /* Physical address of the start of the tile alloc array
693 * (where each tile's binned CL will start)
695 uint32_t tile_alloc_offset;
696 /* Bitmask of which binner slots are freed when this job completes. */
700 * Computed addresses pointing into exec_bo where we start the
701 * bin thread (ct0) and render thread (ct1).
703 uint32_t ct0ca, ct0ea;
704 uint32_t ct1ca, ct1ea;
706 /* Pointer to the unvalidated bin CL (if present). */
709 /* Pointers to the shader recs. These paddr gets incremented as CL
710 * packets are relocated in validate_gl_shader_state, and the vaddrs
711 * (u and v) get incremented and size decremented as the shader recs
712 * themselves are validated.
716 uint32_t shader_rec_p;
717 uint32_t shader_rec_size;
719 /* Pointers to the uniform data. These pointers are incremented, and
720 * size decremented, as each batch of uniforms is uploaded.
725 uint32_t uniforms_size;
727 /* Pointer to a performance monitor object if the user requested it,
730 struct vc4_perfmon *perfmon;
732 /* Whether the exec has taken a reference to the binner BO, which should
733 * happen with a VC4_PACKET_TILE_BINNING_MODE_CONFIG packet.
738 /* Per-open file private data. Any driver-specific resource that has to be
739 * released when the DRM file is closed should be placed here.
750 static inline struct vc4_exec_info *
751 vc4_first_bin_job(struct vc4_dev *vc4)
753 return list_first_entry_or_null(&vc4->bin_job_list,
754 struct vc4_exec_info, head);
757 static inline struct vc4_exec_info *
758 vc4_first_render_job(struct vc4_dev *vc4)
760 return list_first_entry_or_null(&vc4->render_job_list,
761 struct vc4_exec_info, head);
764 static inline struct vc4_exec_info *
765 vc4_last_render_job(struct vc4_dev *vc4)
767 if (list_empty(&vc4->render_job_list))
769 return list_last_entry(&vc4->render_job_list,
770 struct vc4_exec_info, head);
774 * struct vc4_texture_sample_info - saves the offsets into the UBO for texture
777 * This will be used at draw time to relocate the reference to the texture
778 * contents in p0, and validate that the offset combined with
779 * width/height/stride/etc. from p1 and p2/p3 doesn't sample outside the BO.
780 * Note that the hardware treats unprovided config parameters as 0, so not all
781 * of them need to be set up for every texure sample, and we'll store ~0 as
782 * the offset to mark the unused ones.
784 * See the VC4 3D architecture guide page 41 ("Texture and Memory Lookup Unit
785 * Setup") for definitions of the texture parameters.
787 struct vc4_texture_sample_info {
789 uint32_t p_offset[4];
793 * struct vc4_validated_shader_info - information about validated shaders that
794 * needs to be used from command list validation.
796 * For a given shader, each time a shader state record references it, we need
797 * to verify that the shader doesn't read more uniforms than the shader state
798 * record's uniform BO pointer can provide, and we need to apply relocations
799 * and validate the shader state record's uniforms that define the texture
802 struct vc4_validated_shader_info {
803 uint32_t uniforms_size;
804 uint32_t uniforms_src_size;
805 uint32_t num_texture_samples;
806 struct vc4_texture_sample_info *texture_samples;
808 uint32_t num_uniform_addr_offsets;
809 uint32_t *uniform_addr_offsets;
815 * __wait_for - magic wait macro
817 * Macro to help avoid open coding check/wait/timeout patterns. Note that it's
818 * important that we check the condition again after having timed out, since the
819 * timeout could be due to preemption or similar and we've never had a chance to
820 * check the condition before the timeout.
822 #define __wait_for(OP, COND, US, Wmin, Wmax) ({ \
823 const ktime_t end__ = ktime_add_ns(ktime_get_raw(), 1000ll * (US)); \
824 long wait__ = (Wmin); /* recommended min for usleep is 10 us */ \
828 const bool expired__ = ktime_after(ktime_get_raw(), end__); \
830 /* Guarantee COND check prior to timeout */ \
837 ret__ = -ETIMEDOUT; \
840 usleep_range(wait__, wait__ * 2); \
841 if (wait__ < (Wmax)) \
847 #define _wait_for(COND, US, Wmin, Wmax) __wait_for(, (COND), (US), (Wmin), \
849 #define wait_for(COND, MS) _wait_for((COND), (MS) * 1000, 10, 1000)
852 struct drm_gem_object *vc4_create_object(struct drm_device *dev, size_t size);
853 struct vc4_bo *vc4_bo_create(struct drm_device *dev, size_t size,
854 bool from_cache, enum vc4_kernel_bo_type type);
855 int vc4_dumb_create(struct drm_file *file_priv,
856 struct drm_device *dev,
857 struct drm_mode_create_dumb *args);
858 int vc4_create_bo_ioctl(struct drm_device *dev, void *data,
859 struct drm_file *file_priv);
860 int vc4_create_shader_bo_ioctl(struct drm_device *dev, void *data,
861 struct drm_file *file_priv);
862 int vc4_mmap_bo_ioctl(struct drm_device *dev, void *data,
863 struct drm_file *file_priv);
864 int vc4_set_tiling_ioctl(struct drm_device *dev, void *data,
865 struct drm_file *file_priv);
866 int vc4_get_tiling_ioctl(struct drm_device *dev, void *data,
867 struct drm_file *file_priv);
868 int vc4_get_hang_state_ioctl(struct drm_device *dev, void *data,
869 struct drm_file *file_priv);
870 int vc4_label_bo_ioctl(struct drm_device *dev, void *data,
871 struct drm_file *file_priv);
872 int vc4_bo_cache_init(struct drm_device *dev);
873 int vc4_bo_inc_usecnt(struct vc4_bo *bo);
874 void vc4_bo_dec_usecnt(struct vc4_bo *bo);
875 void vc4_bo_add_to_purgeable_pool(struct vc4_bo *bo);
876 void vc4_bo_remove_from_purgeable_pool(struct vc4_bo *bo);
879 extern struct platform_driver vc4_crtc_driver;
880 int vc4_crtc_disable_at_boot(struct drm_crtc *crtc);
881 int vc4_crtc_init(struct drm_device *drm, struct vc4_crtc *vc4_crtc,
882 const struct drm_crtc_funcs *crtc_funcs,
883 const struct drm_crtc_helper_funcs *crtc_helper_funcs);
884 void vc4_crtc_destroy(struct drm_crtc *crtc);
885 int vc4_page_flip(struct drm_crtc *crtc,
886 struct drm_framebuffer *fb,
887 struct drm_pending_vblank_event *event,
889 struct drm_modeset_acquire_ctx *ctx);
890 struct drm_crtc_state *vc4_crtc_duplicate_state(struct drm_crtc *crtc);
891 void vc4_crtc_destroy_state(struct drm_crtc *crtc,
892 struct drm_crtc_state *state);
893 void vc4_crtc_reset(struct drm_crtc *crtc);
894 void vc4_crtc_handle_vblank(struct vc4_crtc *crtc);
895 void vc4_crtc_get_margins(struct drm_crtc_state *state,
896 unsigned int *left, unsigned int *right,
897 unsigned int *top, unsigned int *bottom);
900 void vc4_debugfs_init(struct drm_minor *minor);
901 #ifdef CONFIG_DEBUG_FS
902 void vc4_debugfs_add_file(struct drm_device *drm,
903 const char *filename,
904 int (*show)(struct seq_file*, void*),
906 void vc4_debugfs_add_regset32(struct drm_device *drm,
907 const char *filename,
908 struct debugfs_regset32 *regset);
910 static inline void vc4_debugfs_add_file(struct drm_device *drm,
911 const char *filename,
912 int (*show)(struct seq_file*, void*),
917 static inline void vc4_debugfs_add_regset32(struct drm_device *drm,
918 const char *filename,
919 struct debugfs_regset32 *regset)
925 void __iomem *vc4_ioremap_regs(struct platform_device *dev, int index);
928 extern struct platform_driver vc4_dpi_driver;
931 extern struct platform_driver vc4_dsi_driver;
934 extern const struct dma_fence_ops vc4_fence_ops;
936 /* vc4_firmware_kms.c */
937 extern struct platform_driver vc4_firmware_kms_driver;
940 int vc4_gem_init(struct drm_device *dev);
941 int vc4_submit_cl_ioctl(struct drm_device *dev, void *data,
942 struct drm_file *file_priv);
943 int vc4_wait_seqno_ioctl(struct drm_device *dev, void *data,
944 struct drm_file *file_priv);
945 int vc4_wait_bo_ioctl(struct drm_device *dev, void *data,
946 struct drm_file *file_priv);
947 void vc4_submit_next_bin_job(struct drm_device *dev);
948 void vc4_submit_next_render_job(struct drm_device *dev);
949 void vc4_move_job_to_render(struct drm_device *dev, struct vc4_exec_info *exec);
950 int vc4_wait_for_seqno(struct drm_device *dev, uint64_t seqno,
951 uint64_t timeout_ns, bool interruptible);
952 void vc4_job_handle_completed(struct vc4_dev *vc4);
953 int vc4_queue_seqno_cb(struct drm_device *dev,
954 struct vc4_seqno_cb *cb, uint64_t seqno,
955 void (*func)(struct vc4_seqno_cb *cb));
956 int vc4_gem_madvise_ioctl(struct drm_device *dev, void *data,
957 struct drm_file *file_priv);
960 extern struct platform_driver vc4_hdmi_driver;
963 extern struct platform_driver vc4_vec_driver;
966 extern struct platform_driver vc4_txp_driver;
969 void vc4_irq_enable(struct drm_device *dev);
970 void vc4_irq_disable(struct drm_device *dev);
971 int vc4_irq_install(struct drm_device *dev, int irq);
972 void vc4_irq_uninstall(struct drm_device *dev);
973 void vc4_irq_reset(struct drm_device *dev);
976 extern struct platform_driver vc4_hvs_driver;
977 void vc4_hvs_stop_channel(struct vc4_hvs *hvs, unsigned int output);
978 int vc4_hvs_get_fifo_from_output(struct vc4_hvs *hvs, unsigned int output);
979 u8 vc4_hvs_get_fifo_frame_count(struct vc4_hvs *hvs, unsigned int fifo);
980 void vc4_hvs_mark_dlist_entry_stale(struct vc4_hvs *hvs,
981 struct vc4_hvs_dlist_allocation *alloc);
982 int vc4_hvs_atomic_check(struct drm_crtc *crtc, struct drm_atomic_state *state);
983 void vc4_hvs_atomic_begin(struct drm_crtc *crtc, struct drm_atomic_state *state);
984 void vc4_hvs_atomic_enable(struct drm_crtc *crtc, struct drm_atomic_state *state);
985 void vc4_hvs_atomic_disable(struct drm_crtc *crtc, struct drm_atomic_state *state);
986 void vc4_hvs_atomic_flush(struct drm_crtc *crtc, struct drm_atomic_state *state);
987 void vc4_hvs_dump_state(struct vc4_hvs *hvs);
988 void vc4_hvs_unmask_underrun(struct vc4_hvs *hvs, int channel);
989 void vc4_hvs_mask_underrun(struct vc4_hvs *hvs, int channel);
992 int vc4_kms_load(struct drm_device *dev);
995 struct drm_plane *vc4_plane_init(struct drm_device *dev,
996 enum drm_plane_type type);
997 int vc4_plane_create_additional_planes(struct drm_device *dev);
998 u32 vc4_plane_write_dlist(struct drm_plane *plane, u32 __iomem *dlist);
999 u32 vc4_plane_dlist_size(const struct drm_plane_state *state);
1000 void vc4_plane_async_set_fb(struct drm_plane *plane,
1001 struct drm_framebuffer *fb);
1004 extern struct platform_driver vc4_v3d_driver;
1005 extern const struct of_device_id vc4_v3d_dt_match[];
1006 int vc4_v3d_get_bin_slot(struct vc4_dev *vc4);
1007 int vc4_v3d_bin_bo_get(struct vc4_dev *vc4, bool *used);
1008 void vc4_v3d_bin_bo_put(struct vc4_dev *vc4);
1009 int vc4_v3d_pm_get(struct vc4_dev *vc4);
1010 void vc4_v3d_pm_put(struct vc4_dev *vc4);
1012 /* vc4_validate.c */
1014 vc4_validate_bin_cl(struct drm_device *dev,
1017 struct vc4_exec_info *exec);
1020 vc4_validate_shader_recs(struct drm_device *dev, struct vc4_exec_info *exec);
1022 struct drm_gem_cma_object *vc4_use_bo(struct vc4_exec_info *exec,
1025 int vc4_get_rcl(struct drm_device *dev, struct vc4_exec_info *exec);
1027 bool vc4_check_tex_size(struct vc4_exec_info *exec,
1028 struct drm_gem_cma_object *fbo,
1029 uint32_t offset, uint8_t tiling_format,
1030 uint32_t width, uint32_t height, uint8_t cpp);
1032 /* vc4_validate_shader.c */
1033 struct vc4_validated_shader_info *
1034 vc4_validate_shader(struct drm_gem_cma_object *shader_obj);
1037 void vc4_perfmon_get(struct vc4_perfmon *perfmon);
1038 void vc4_perfmon_put(struct vc4_perfmon *perfmon);
1039 void vc4_perfmon_start(struct vc4_dev *vc4, struct vc4_perfmon *perfmon);
1040 void vc4_perfmon_stop(struct vc4_dev *vc4, struct vc4_perfmon *perfmon,
1042 struct vc4_perfmon *vc4_perfmon_find(struct vc4_file *vc4file, int id);
1043 void vc4_perfmon_open_file(struct vc4_file *vc4file);
1044 void vc4_perfmon_close_file(struct vc4_file *vc4file);
1045 int vc4_perfmon_create_ioctl(struct drm_device *dev, void *data,
1046 struct drm_file *file_priv);
1047 int vc4_perfmon_destroy_ioctl(struct drm_device *dev, void *data,
1048 struct drm_file *file_priv);
1049 int vc4_perfmon_get_values_ioctl(struct drm_device *dev, void *data,
1050 struct drm_file *file_priv);
1052 #endif /* _VC4_DRV_H_ */