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.
54 /* Tracks the number of users of the perfmon, when this counter reaches
55 * zero the perfmon is destroyed.
59 /* Number of counters activated in this perfmon instance
60 * (should be less than DRM_VC4_MAX_PERF_COUNTERS).
64 /* Events counted by the HW perf counters. */
65 u8 events[DRM_VC4_MAX_PERF_COUNTERS];
67 /* Storage for counter values. Counters are incremented by the HW
68 * perf counter values every time the perfmon is attached to a GPU job.
69 * This way, perfmon users don't have to retrieve the results after
70 * each job if they want to track events covering several submissions.
71 * Note that counter values can't be reset, but you can fake a reset by
72 * destroying the perfmon and creating a new one.
78 struct drm_device base;
86 struct rpi_firmware *firmware;
93 struct vc4_fkms *fkms;
95 struct vc4_hang_state *hang_state;
97 /* The kernel-space BO cache. Tracks buffers that have been
98 * unreferenced by all other users (refcounts of 0!) but not
99 * yet freed, so we can do cheap allocations.
101 struct vc4_bo_cache {
102 /* Array of list heads for entries in the BO cache,
103 * based on number of pages, so we can do O(1) lookups
104 * in the cache when allocating.
106 struct list_head *size_list;
107 uint32_t size_list_size;
109 /* List of all BOs in the cache, ordered by age, so we
110 * can do O(1) lookups when trying to free old
113 struct list_head time_list;
114 struct work_struct time_work;
115 struct timer_list time_timer;
125 /* Protects bo_cache and bo_labels. */
126 struct mutex bo_lock;
128 /* Purgeable BO pool. All BOs in this pool can have their memory
129 * reclaimed if the driver is unable to allocate new BOs. We also
130 * keep stats related to the purge mechanism here.
133 struct list_head list;
136 unsigned int purged_num;
141 uint64_t dma_fence_context;
143 /* Sequence number for the last job queued in bin_job_list.
144 * Starts at 0 (no jobs emitted).
148 /* Sequence number for the last completed job on the GPU.
149 * Starts at 0 (no jobs completed).
151 uint64_t finished_seqno;
153 /* List of all struct vc4_exec_info for jobs to be executed in
154 * the binner. The first job in the list is the one currently
155 * programmed into ct0ca for execution.
157 struct list_head bin_job_list;
159 /* List of all struct vc4_exec_info for jobs that have
160 * completed binning and are ready for rendering. The first
161 * job in the list is the one currently programmed into ct1ca
164 struct list_head render_job_list;
166 /* List of the finished vc4_exec_infos waiting to be freed by
169 struct list_head job_done_list;
170 /* Spinlock used to synchronize the job_list and seqno
171 * accesses between the IRQ handler and GEM ioctls.
174 wait_queue_head_t job_wait_queue;
175 struct work_struct job_done_work;
177 /* Used to track the active perfmon if any. Access to this field is
178 * protected by job_lock.
180 struct vc4_perfmon *active_perfmon;
182 /* List of struct vc4_seqno_cb for callbacks to be made from a
183 * workqueue when the given seqno is passed.
185 struct list_head seqno_cb_list;
187 /* The memory used for storing binner tile alloc, tile state,
188 * and overflow memory allocations. This is freed when V3D
191 struct vc4_bo *bin_bo;
193 /* Size of blocks allocated within bin_bo. */
194 uint32_t bin_alloc_size;
196 /* Bitmask of the bin_alloc_size chunks in bin_bo that are
199 uint32_t bin_alloc_used;
201 /* Bitmask of the current bin_alloc used for overflow memory. */
202 uint32_t bin_alloc_overflow;
204 /* Incremented when an underrun error happened after an atomic commit.
205 * This is particularly useful to detect when a specific modeset is too
206 * demanding in term of memory or HVS bandwidth which is hard to guess
207 * at atomic check time.
211 struct work_struct overflow_mem_work;
215 /* Set to true when the load tracker is active. */
216 bool load_tracker_enabled;
218 /* Mutex controlling the power refcount. */
219 struct mutex power_lock;
222 struct timer_list timer;
223 struct work_struct reset_work;
226 struct drm_modeset_lock ctm_state_lock;
227 struct drm_private_obj ctm_manager;
228 struct drm_private_obj hvs_channels;
229 struct drm_private_obj load_tracker;
231 /* List of vc4_debugfs_info_entry for adding to debugfs once
232 * the minor is available (after drm_dev_register()).
234 struct list_head debugfs_list;
236 /* Mutex for binner bo allocation. */
237 struct mutex bin_bo_lock;
238 /* Reference count for our binner bo. */
239 struct kref bin_bo_kref;
242 static inline struct vc4_dev *
243 to_vc4_dev(struct drm_device *dev)
245 return container_of(dev, struct vc4_dev, base);
249 struct drm_gem_cma_object base;
251 /* seqno of the last job to render using this BO. */
254 /* seqno of the last job to use the RCL to write to this BO.
256 * Note that this doesn't include binner overflow memory
259 uint64_t write_seqno;
263 /* List entry for the BO's position in either
264 * vc4_exec_info->unref_list or vc4_dev->bo_cache.time_list
266 struct list_head unref_head;
268 /* Time in jiffies when the BO was put in vc4->bo_cache. */
269 unsigned long free_time;
271 /* List entry for the BO's position in vc4_dev->bo_cache.size_list */
272 struct list_head size_head;
274 /* Struct for shader validation state, if created by
275 * DRM_IOCTL_VC4_CREATE_SHADER_BO.
277 struct vc4_validated_shader_info *validated_shader;
279 /* One of enum vc4_kernel_bo_type, or VC4_BO_TYPE_COUNT + i
280 * for user-allocated labels.
284 /* Count the number of active users. This is needed to determine
285 * whether we can move the BO to the purgeable list or not (when the BO
286 * is used by the GPU or the display engine we can't purge it).
290 /* Store purgeable/purged state here */
292 struct mutex madv_lock;
295 static inline struct vc4_bo *
296 to_vc4_bo(struct drm_gem_object *bo)
298 return container_of(to_drm_gem_cma_obj(bo), struct vc4_bo, base);
302 struct dma_fence base;
303 struct drm_device *dev;
304 /* vc4 seqno for signaled() test */
308 static inline struct vc4_fence *
309 to_vc4_fence(struct dma_fence *fence)
311 return container_of(fence, struct vc4_fence, base);
314 struct vc4_seqno_cb {
315 struct work_struct work;
317 void (*func)(struct vc4_seqno_cb *cb);
322 struct platform_device *pdev;
325 struct debugfs_regset32 regset;
330 struct platform_device *pdev;
334 struct clk *core_clk;
336 /* Memory manager for CRTCs to allocate space in the display
337 * list. Units are dwords.
339 struct drm_mm dlist_mm;
340 /* Memory manager for the LBM memory used by HVS scaling. */
341 struct drm_mm lbm_mm;
344 struct drm_mm_node mitchell_netravali_filter;
346 struct debugfs_regset32 regset;
349 * Even if HDMI0 on the RPi4 can output modes requiring a pixel
350 * rate higher than 297MHz, it needs some adjustments in the
351 * config.txt file to be able to do so and thus won't always be
354 bool vc5_hdmi_enable_scrambling;
357 * 4096x2160@60 requires a core overclock to work, so register
358 * whether that is sufficient.
360 bool vc5_hdmi_enable_4096by2160;
364 struct drm_plane base;
367 static inline struct vc4_plane *
368 to_vc4_plane(struct drm_plane *plane)
370 return container_of(plane, struct vc4_plane, base);
373 enum vc4_scaling_mode {
379 struct vc4_plane_state {
380 struct drm_plane_state base;
381 /* System memory copy of the display list for this element, computed
382 * at atomic_check time.
385 u32 dlist_size; /* Number of dwords allocated for the display list */
386 u32 dlist_count; /* Number of used dwords in the display list. */
388 /* Offset in the dlist to various words, for pageflip or
396 /* Offset where the plane's dlist was last stored in the
397 * hardware at vc4_crtc_atomic_flush() time.
399 u32 __iomem *hw_dlist;
401 /* Clipped coordinates of the plane on the display. */
402 int crtc_x, crtc_y, crtc_w, crtc_h;
403 /* Clipped area being scanned from in the FB in u16.16 format */
406 u32 src_w[2], src_h[2];
408 /* Scaling selection for the RGB/Y plane and the Cb/Cr planes. */
409 enum vc4_scaling_mode x_scaling[2], y_scaling[2];
413 /* Offset to start scanning out from the start of the plane's
418 /* Our allocation in LBM for temporary storage during scaling. */
419 struct drm_mm_node lbm;
421 /* Set when the plane has per-pixel alpha content or does not cover
422 * the entire screen. This is a hint to the CRTC that it might need
423 * to enable background color fill.
427 /* Mark the dlist as initialized. Useful to avoid initializing it twice
428 * when async update is not possible.
430 bool dlist_initialized;
432 /* Load of this plane on the HVS block. The load is expressed in HVS
437 /* Memory bandwidth needed for this plane. This is expressed in
443 static inline struct vc4_plane_state *
444 to_vc4_plane_state(struct drm_plane_state *state)
446 return container_of(state, struct vc4_plane_state, base);
449 enum vc4_encoder_type {
450 VC4_ENCODER_TYPE_NONE,
451 VC4_ENCODER_TYPE_HDMI0,
452 VC4_ENCODER_TYPE_HDMI1,
453 VC4_ENCODER_TYPE_VEC,
454 VC4_ENCODER_TYPE_DSI0,
455 VC4_ENCODER_TYPE_DSI1,
456 VC4_ENCODER_TYPE_SMI,
457 VC4_ENCODER_TYPE_DPI,
461 struct drm_encoder base;
462 enum vc4_encoder_type type;
465 void (*pre_crtc_configure)(struct drm_encoder *encoder, struct drm_atomic_state *state);
466 void (*pre_crtc_enable)(struct drm_encoder *encoder, struct drm_atomic_state *state);
467 void (*post_crtc_enable)(struct drm_encoder *encoder, struct drm_atomic_state *state);
469 void (*post_crtc_disable)(struct drm_encoder *encoder, struct drm_atomic_state *state);
470 void (*post_crtc_powerdown)(struct drm_encoder *encoder, struct drm_atomic_state *state);
473 static inline struct vc4_encoder *
474 to_vc4_encoder(struct drm_encoder *encoder)
476 return container_of(encoder, struct vc4_encoder, base);
479 struct vc4_crtc_data {
480 const char *debugfs_name;
482 /* Bitmask of channels (FIFOs) of the HVS that the output can source from */
483 unsigned int hvs_available_channels;
485 /* Which output of the HVS this pixelvalve sources from. */
490 struct vc4_crtc_data base;
492 /* Depth of the PixelValve FIFO in bytes */
493 unsigned int fifo_depth;
495 /* Number of pixels output per clock period */
498 enum vc4_encoder_type encoder_types[4];
501 struct vc5_gamma_entry {
506 #define VC5_HVS_SET_GAMMA_ENTRY(x, c, g) (struct vc5_gamma_entry){ \
507 .x_c_terms = VC4_SET_FIELD((x), SCALER5_DSPGAMMA_OFF_X) | \
508 VC4_SET_FIELD((c), SCALER5_DSPGAMMA_OFF_C), \
513 struct drm_crtc base;
514 struct platform_device *pdev;
515 const struct vc4_crtc_data *data;
518 /* Timestamp at start of vblank irq - unaffected by lock delays. */
522 struct { /* VC4 gamma LUT */
527 struct { /* VC5 gamma PWL entries */
528 struct vc5_gamma_entry pwl_r[SCALER5_DSPGAMMA_NUM_POINTS];
529 struct vc5_gamma_entry pwl_g[SCALER5_DSPGAMMA_NUM_POINTS];
530 struct vc5_gamma_entry pwl_b[SCALER5_DSPGAMMA_NUM_POINTS];
531 struct vc5_gamma_entry pwl_a[SCALER5_DSPGAMMA_NUM_POINTS];
535 struct drm_pending_vblank_event *event;
537 struct debugfs_regset32 regset;
540 * @feeds_txp: True if the CRTC feeds our writeback controller.
545 * @irq_lock: Spinlock protecting the resources shared between
546 * the atomic code and our vblank handler.
551 * @current_dlist: Start offset of the display list currently
552 * set in the HVS for that CRTC. Protected by @irq_lock, and
553 * copied in vc4_hvs_update_dlist() for the CRTC interrupt
554 * handler to have access to that value.
556 unsigned int current_dlist;
559 * @current_hvs_channel: HVS channel currently assigned to the
560 * CRTC. Protected by @irq_lock, and copied in
561 * vc4_hvs_atomic_begin() for the CRTC interrupt handler to have
562 * access to that value.
564 unsigned int current_hvs_channel;
567 static inline struct vc4_crtc *
568 to_vc4_crtc(struct drm_crtc *crtc)
570 return container_of(crtc, struct vc4_crtc, base);
573 static inline const struct vc4_crtc_data *
574 vc4_crtc_to_vc4_crtc_data(const struct vc4_crtc *crtc)
579 static inline const struct vc4_pv_data *
580 vc4_crtc_to_vc4_pv_data(const struct vc4_crtc *crtc)
582 const struct vc4_crtc_data *data = vc4_crtc_to_vc4_crtc_data(crtc);
584 return container_of(data, struct vc4_pv_data, base);
587 struct drm_connector *vc4_get_crtc_connector(struct drm_crtc *crtc,
588 struct drm_crtc_state *state);
590 struct drm_encoder *vc4_get_crtc_encoder(struct drm_crtc *crtc,
591 struct drm_crtc_state *state);
593 struct vc4_crtc_state {
594 struct drm_crtc_state base;
595 /* Dlist area for this CRTC configuration. */
596 struct drm_mm_node mm;
598 unsigned int assigned_channel;
600 struct drm_connector_tv_margins margins;
602 unsigned long hvs_load;
604 /* Transitional state below, only valid during atomic commits */
608 #define VC4_HVS_CHANNEL_DISABLED ((unsigned int)-1)
610 static inline struct vc4_crtc_state *
611 to_vc4_crtc_state(struct drm_crtc_state *crtc_state)
613 return container_of(crtc_state, struct vc4_crtc_state, base);
616 #define V3D_READ(offset) readl(vc4->v3d->regs + offset)
617 #define V3D_WRITE(offset, val) writel(val, vc4->v3d->regs + offset)
618 #define HVS_READ(offset) readl(hvs->regs + offset)
619 #define HVS_WRITE(offset, val) writel(val, hvs->regs + offset)
621 #define VC4_REG32(reg) { .name = #reg, .offset = reg }
623 struct vc4_exec_info {
626 /* Sequence number for this bin/render job. */
629 /* Latest write_seqno of any BO that binning depends on. */
630 uint64_t bin_dep_seqno;
632 struct dma_fence *fence;
634 /* Last current addresses the hardware was processing when the
635 * hangcheck timer checked on us.
637 uint32_t last_ct0ca, last_ct1ca;
639 /* Kernel-space copy of the ioctl arguments */
640 struct drm_vc4_submit_cl *args;
642 /* This is the array of BOs that were looked up at the start of exec.
643 * Command validation will use indices into this array.
645 struct drm_gem_cma_object **bo;
648 /* List of BOs that are being written by the RCL. Other than
649 * the binner temporary storage, this is all the BOs written
652 struct drm_gem_cma_object *rcl_write_bo[4];
653 uint32_t rcl_write_bo_count;
655 /* Pointers for our position in vc4->job_list */
656 struct list_head head;
658 /* List of other BOs used in the job that need to be released
659 * once the job is complete.
661 struct list_head unref_list;
663 /* Current unvalidated indices into @bo loaded by the non-hardware
664 * VC4_PACKET_GEM_HANDLES.
666 uint32_t bo_index[2];
668 /* This is the BO where we store the validated command lists, shader
669 * records, and uniforms.
671 struct drm_gem_cma_object *exec_bo;
674 * This tracks the per-shader-record state (packet 64) that
675 * determines the length of the shader record and the offset
676 * it's expected to be found at. It gets read in from the
679 struct vc4_shader_state {
681 /* Maximum vertex index referenced by any primitive using this
687 /** How many shader states the user declared they were using. */
688 uint32_t shader_state_size;
689 /** How many shader state records the validator has seen. */
690 uint32_t shader_state_count;
692 bool found_tile_binning_mode_config_packet;
693 bool found_start_tile_binning_packet;
694 bool found_increment_semaphore_packet;
696 uint8_t bin_tiles_x, bin_tiles_y;
697 /* Physical address of the start of the tile alloc array
698 * (where each tile's binned CL will start)
700 uint32_t tile_alloc_offset;
701 /* Bitmask of which binner slots are freed when this job completes. */
705 * Computed addresses pointing into exec_bo where we start the
706 * bin thread (ct0) and render thread (ct1).
708 uint32_t ct0ca, ct0ea;
709 uint32_t ct1ca, ct1ea;
711 /* Pointer to the unvalidated bin CL (if present). */
714 /* Pointers to the shader recs. These paddr gets incremented as CL
715 * packets are relocated in validate_gl_shader_state, and the vaddrs
716 * (u and v) get incremented and size decremented as the shader recs
717 * themselves are validated.
721 uint32_t shader_rec_p;
722 uint32_t shader_rec_size;
724 /* Pointers to the uniform data. These pointers are incremented, and
725 * size decremented, as each batch of uniforms is uploaded.
730 uint32_t uniforms_size;
732 /* Pointer to a performance monitor object if the user requested it,
735 struct vc4_perfmon *perfmon;
737 /* Whether the exec has taken a reference to the binner BO, which should
738 * happen with a VC4_PACKET_TILE_BINNING_MODE_CONFIG packet.
743 /* Per-open file private data. Any driver-specific resource that has to be
744 * released when the DRM file is closed should be placed here.
757 static inline struct vc4_exec_info *
758 vc4_first_bin_job(struct vc4_dev *vc4)
760 return list_first_entry_or_null(&vc4->bin_job_list,
761 struct vc4_exec_info, head);
764 static inline struct vc4_exec_info *
765 vc4_first_render_job(struct vc4_dev *vc4)
767 return list_first_entry_or_null(&vc4->render_job_list,
768 struct vc4_exec_info, head);
771 static inline struct vc4_exec_info *
772 vc4_last_render_job(struct vc4_dev *vc4)
774 if (list_empty(&vc4->render_job_list))
776 return list_last_entry(&vc4->render_job_list,
777 struct vc4_exec_info, head);
781 * struct vc4_texture_sample_info - saves the offsets into the UBO for texture
784 * This will be used at draw time to relocate the reference to the texture
785 * contents in p0, and validate that the offset combined with
786 * width/height/stride/etc. from p1 and p2/p3 doesn't sample outside the BO.
787 * Note that the hardware treats unprovided config parameters as 0, so not all
788 * of them need to be set up for every texure sample, and we'll store ~0 as
789 * the offset to mark the unused ones.
791 * See the VC4 3D architecture guide page 41 ("Texture and Memory Lookup Unit
792 * Setup") for definitions of the texture parameters.
794 struct vc4_texture_sample_info {
796 uint32_t p_offset[4];
800 * struct vc4_validated_shader_info - information about validated shaders that
801 * needs to be used from command list validation.
803 * For a given shader, each time a shader state record references it, we need
804 * to verify that the shader doesn't read more uniforms than the shader state
805 * record's uniform BO pointer can provide, and we need to apply relocations
806 * and validate the shader state record's uniforms that define the texture
809 struct vc4_validated_shader_info {
810 uint32_t uniforms_size;
811 uint32_t uniforms_src_size;
812 uint32_t num_texture_samples;
813 struct vc4_texture_sample_info *texture_samples;
815 uint32_t num_uniform_addr_offsets;
816 uint32_t *uniform_addr_offsets;
822 * __wait_for - magic wait macro
824 * Macro to help avoid open coding check/wait/timeout patterns. Note that it's
825 * important that we check the condition again after having timed out, since the
826 * timeout could be due to preemption or similar and we've never had a chance to
827 * check the condition before the timeout.
829 #define __wait_for(OP, COND, US, Wmin, Wmax) ({ \
830 const ktime_t end__ = ktime_add_ns(ktime_get_raw(), 1000ll * (US)); \
831 long wait__ = (Wmin); /* recommended min for usleep is 10 us */ \
835 const bool expired__ = ktime_after(ktime_get_raw(), end__); \
837 /* Guarantee COND check prior to timeout */ \
844 ret__ = -ETIMEDOUT; \
847 usleep_range(wait__, wait__ * 2); \
848 if (wait__ < (Wmax)) \
854 #define _wait_for(COND, US, Wmin, Wmax) __wait_for(, (COND), (US), (Wmin), \
856 #define wait_for(COND, MS) _wait_for((COND), (MS) * 1000, 10, 1000)
859 struct drm_gem_object *vc4_create_object(struct drm_device *dev, size_t size);
860 struct vc4_bo *vc4_bo_create(struct drm_device *dev, size_t size,
861 bool from_cache, enum vc4_kernel_bo_type type);
862 int vc4_bo_dumb_create(struct drm_file *file_priv,
863 struct drm_device *dev,
864 struct drm_mode_create_dumb *args);
865 int vc4_create_bo_ioctl(struct drm_device *dev, void *data,
866 struct drm_file *file_priv);
867 int vc4_create_shader_bo_ioctl(struct drm_device *dev, void *data,
868 struct drm_file *file_priv);
869 int vc4_mmap_bo_ioctl(struct drm_device *dev, void *data,
870 struct drm_file *file_priv);
871 int vc4_set_tiling_ioctl(struct drm_device *dev, void *data,
872 struct drm_file *file_priv);
873 int vc4_get_tiling_ioctl(struct drm_device *dev, void *data,
874 struct drm_file *file_priv);
875 int vc4_get_hang_state_ioctl(struct drm_device *dev, void *data,
876 struct drm_file *file_priv);
877 int vc4_label_bo_ioctl(struct drm_device *dev, void *data,
878 struct drm_file *file_priv);
879 int vc4_bo_cache_init(struct drm_device *dev);
880 int vc4_bo_inc_usecnt(struct vc4_bo *bo);
881 void vc4_bo_dec_usecnt(struct vc4_bo *bo);
882 void vc4_bo_add_to_purgeable_pool(struct vc4_bo *bo);
883 void vc4_bo_remove_from_purgeable_pool(struct vc4_bo *bo);
886 extern struct platform_driver vc4_crtc_driver;
887 int vc4_crtc_disable_at_boot(struct drm_crtc *crtc);
888 int vc4_crtc_init(struct drm_device *drm, struct vc4_crtc *vc4_crtc,
889 const struct drm_crtc_funcs *crtc_funcs,
890 const struct drm_crtc_helper_funcs *crtc_helper_funcs);
891 void vc4_crtc_destroy(struct drm_crtc *crtc);
892 int vc4_page_flip(struct drm_crtc *crtc,
893 struct drm_framebuffer *fb,
894 struct drm_pending_vblank_event *event,
896 struct drm_modeset_acquire_ctx *ctx);
897 struct drm_crtc_state *vc4_crtc_duplicate_state(struct drm_crtc *crtc);
898 void vc4_crtc_destroy_state(struct drm_crtc *crtc,
899 struct drm_crtc_state *state);
900 void vc4_crtc_reset(struct drm_crtc *crtc);
901 void vc4_crtc_handle_vblank(struct vc4_crtc *crtc);
902 void vc4_crtc_send_vblank(struct drm_crtc *crtc);
903 void vc4_crtc_get_margins(struct drm_crtc_state *state,
904 unsigned int *left, unsigned int *right,
905 unsigned int *top, unsigned int *bottom);
908 void vc4_debugfs_init(struct drm_minor *minor);
909 #ifdef CONFIG_DEBUG_FS
910 void vc4_debugfs_add_file(struct drm_device *drm,
911 const char *filename,
912 int (*show)(struct seq_file*, void*),
914 void vc4_debugfs_add_regset32(struct drm_device *drm,
915 const char *filename,
916 struct debugfs_regset32 *regset);
918 static inline void vc4_debugfs_add_file(struct drm_device *drm,
919 const char *filename,
920 int (*show)(struct seq_file*, void*),
925 static inline void vc4_debugfs_add_regset32(struct drm_device *drm,
926 const char *filename,
927 struct debugfs_regset32 *regset)
933 void __iomem *vc4_ioremap_regs(struct platform_device *dev, int index);
934 int vc4_dumb_fixup_args(struct drm_mode_create_dumb *args);
937 extern struct platform_driver vc4_dpi_driver;
940 extern struct platform_driver vc4_dsi_driver;
943 extern const struct dma_fence_ops vc4_fence_ops;
945 /* vc4_firmware_kms.c */
946 extern struct platform_driver vc4_firmware_kms_driver;
949 int vc4_gem_init(struct drm_device *dev);
950 int vc4_submit_cl_ioctl(struct drm_device *dev, void *data,
951 struct drm_file *file_priv);
952 int vc4_wait_seqno_ioctl(struct drm_device *dev, void *data,
953 struct drm_file *file_priv);
954 int vc4_wait_bo_ioctl(struct drm_device *dev, void *data,
955 struct drm_file *file_priv);
956 void vc4_submit_next_bin_job(struct drm_device *dev);
957 void vc4_submit_next_render_job(struct drm_device *dev);
958 void vc4_move_job_to_render(struct drm_device *dev, struct vc4_exec_info *exec);
959 int vc4_wait_for_seqno(struct drm_device *dev, uint64_t seqno,
960 uint64_t timeout_ns, bool interruptible);
961 void vc4_job_handle_completed(struct vc4_dev *vc4);
962 int vc4_queue_seqno_cb(struct drm_device *dev,
963 struct vc4_seqno_cb *cb, uint64_t seqno,
964 void (*func)(struct vc4_seqno_cb *cb));
965 int vc4_gem_madvise_ioctl(struct drm_device *dev, void *data,
966 struct drm_file *file_priv);
969 extern struct platform_driver vc4_hdmi_driver;
972 extern struct platform_driver vc4_vec_driver;
975 extern struct platform_driver vc4_txp_driver;
978 void vc4_irq_enable(struct drm_device *dev);
979 void vc4_irq_disable(struct drm_device *dev);
980 int vc4_irq_install(struct drm_device *dev, int irq);
981 void vc4_irq_uninstall(struct drm_device *dev);
982 void vc4_irq_reset(struct drm_device *dev);
985 extern struct platform_driver vc4_hvs_driver;
986 void vc4_hvs_stop_channel(struct vc4_hvs *hvs, unsigned int output);
987 int vc4_hvs_get_fifo_from_output(struct vc4_hvs *hvs, unsigned int output);
988 u8 vc4_hvs_get_fifo_frame_count(struct vc4_hvs *hvs, unsigned int fifo);
989 int vc4_hvs_atomic_check(struct drm_crtc *crtc, struct drm_atomic_state *state);
990 void vc4_hvs_atomic_begin(struct drm_crtc *crtc, struct drm_atomic_state *state);
991 void vc4_hvs_atomic_enable(struct drm_crtc *crtc, struct drm_atomic_state *state);
992 void vc4_hvs_atomic_disable(struct drm_crtc *crtc, struct drm_atomic_state *state);
993 void vc4_hvs_atomic_flush(struct drm_crtc *crtc, struct drm_atomic_state *state);
994 void vc4_hvs_dump_state(struct vc4_hvs *hvs);
995 void vc4_hvs_unmask_underrun(struct vc4_hvs *hvs, int channel);
996 void vc4_hvs_mask_underrun(struct vc4_hvs *hvs, int channel);
999 int vc4_kms_load(struct drm_device *dev);
1002 struct drm_plane *vc4_plane_init(struct drm_device *dev,
1003 enum drm_plane_type type,
1004 uint32_t possible_crtcs);
1005 int vc4_plane_create_additional_planes(struct drm_device *dev);
1006 u32 vc4_plane_write_dlist(struct drm_plane *plane, u32 __iomem *dlist);
1007 u32 vc4_plane_dlist_size(const struct drm_plane_state *state);
1008 void vc4_plane_async_set_fb(struct drm_plane *plane,
1009 struct drm_framebuffer *fb);
1012 extern struct platform_driver vc4_v3d_driver;
1013 extern const struct of_device_id vc4_v3d_dt_match[];
1014 int vc4_v3d_get_bin_slot(struct vc4_dev *vc4);
1015 int vc4_v3d_bin_bo_get(struct vc4_dev *vc4, bool *used);
1016 void vc4_v3d_bin_bo_put(struct vc4_dev *vc4);
1017 int vc4_v3d_pm_get(struct vc4_dev *vc4);
1018 void vc4_v3d_pm_put(struct vc4_dev *vc4);
1020 /* vc4_validate.c */
1022 vc4_validate_bin_cl(struct drm_device *dev,
1025 struct vc4_exec_info *exec);
1028 vc4_validate_shader_recs(struct drm_device *dev, struct vc4_exec_info *exec);
1030 struct drm_gem_cma_object *vc4_use_bo(struct vc4_exec_info *exec,
1033 int vc4_get_rcl(struct drm_device *dev, struct vc4_exec_info *exec);
1035 bool vc4_check_tex_size(struct vc4_exec_info *exec,
1036 struct drm_gem_cma_object *fbo,
1037 uint32_t offset, uint8_t tiling_format,
1038 uint32_t width, uint32_t height, uint8_t cpp);
1040 /* vc4_validate_shader.c */
1041 struct vc4_validated_shader_info *
1042 vc4_validate_shader(struct drm_gem_cma_object *shader_obj);
1045 void vc4_perfmon_get(struct vc4_perfmon *perfmon);
1046 void vc4_perfmon_put(struct vc4_perfmon *perfmon);
1047 void vc4_perfmon_start(struct vc4_dev *vc4, struct vc4_perfmon *perfmon);
1048 void vc4_perfmon_stop(struct vc4_dev *vc4, struct vc4_perfmon *perfmon,
1050 struct vc4_perfmon *vc4_perfmon_find(struct vc4_file *vc4file, int id);
1051 void vc4_perfmon_open_file(struct vc4_file *vc4file);
1052 void vc4_perfmon_close_file(struct vc4_file *vc4file);
1053 int vc4_perfmon_create_ioctl(struct drm_device *dev, void *data,
1054 struct drm_file *file_priv);
1055 int vc4_perfmon_destroy_ioctl(struct drm_device *dev, void *data,
1056 struct drm_file *file_priv);
1057 int vc4_perfmon_get_values_ioctl(struct drm_device *dev, void *data,
1058 struct drm_file *file_priv);
1060 #endif /* _VC4_DRV_H_ */