diff options
Diffstat (limited to 'drivers/gpu/drm/omapdrm/omap_drv.h')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_drv.h | 326 |
1 files changed, 67 insertions, 259 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_drv.h b/drivers/gpu/drm/omapdrm/omap_drv.h index 14f17da2ce25..d903568fd8cc 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.h +++ b/drivers/gpu/drm/omapdrm/omap_drv.h @@ -1,304 +1,112 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* - * drivers/gpu/drm/omapdrm/omap_drv.h - * - * Copyright (C) 2011 Texas Instruments + * Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/ * Author: Rob Clark <rob@ti.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. */ -#ifndef __OMAP_DRV_H__ -#define __OMAP_DRV_H__ +#ifndef __OMAPDRM_DRV_H__ +#define __OMAPDRM_DRV_H__ -#include <video/omapdss.h> #include <linux/module.h> #include <linux/types.h> -#include <drm/drmP.h> -#include <drm/drm_crtc_helper.h> +#include <linux/workqueue.h> + +#include "dss/omapdss.h" +#include "dss/dss.h" + +#include <drm/drm_atomic.h> +#include <drm/drm_gem.h> #include <drm/omap_drm.h> -#include <linux/platform_data/omap_drm.h> +#include "omap_crtc.h" +#include "omap_encoder.h" +#include "omap_fb.h" +#include "omap_gem.h" +#include "omap_irq.h" +#include "omap_plane.h" +#include "omap_overlay.h" -#define DBG(fmt, ...) DRM_DEBUG(fmt"\n", ##__VA_ARGS__) -#define VERB(fmt, ...) if (0) DRM_DEBUG(fmt, ##__VA_ARGS__) /* verbose debug */ +#define DBG(fmt, ...) DRM_DEBUG_DRIVER(fmt"\n", ##__VA_ARGS__) +#define VERB(fmt, ...) if (0) DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) /* verbose debug */ #define MODULE_NAME "omapdrm" -/* max # of mapper-id's that can be assigned.. todo, come up with a better - * (but still inexpensive) way to store/access per-buffer mapper private - * data.. - */ -#define MAX_MAPPERS 2 - -/* parameters which describe (unrotated) coordinates of scanout within a fb: */ -struct omap_drm_window { - uint32_t rotation; - int32_t crtc_x, crtc_y; /* signed because can be offscreen */ - uint32_t crtc_w, crtc_h; - uint32_t src_x, src_y; - uint32_t src_w, src_h; -}; +struct omap_drm_usergart; +struct omap_fbdev; -/* Once GO bit is set, we can't make further updates to shadowed registers - * until the GO bit is cleared. So various parts in the kms code that need - * to update shadowed registers queue up a pair of callbacks, pre_apply - * which is called before setting GO bit, and post_apply that is called - * after GO bit is cleared. The crtc manages the queuing, and everyone - * else goes thru omap_crtc_apply() using these callbacks so that the - * code which has to deal w/ GO bit state is centralized. - */ -struct omap_drm_apply { - struct list_head pending_node, queued_node; - bool queued; - void (*pre_apply)(struct omap_drm_apply *apply); - void (*post_apply)(struct omap_drm_apply *apply); +struct omap_drm_pipeline { + struct drm_crtc *crtc; + struct drm_encoder *encoder; + struct drm_connector *connector; + struct omap_dss_device *output; + unsigned int alias_id; }; -/* For transiently registering for different DSS irqs that various parts - * of the KMS code need during setup/configuration. We these are not - * necessarily the same as what drm_vblank_get/put() are requesting, and - * the hysteresis in drm_vblank_put() is not necessarily desirable for - * internal housekeeping related irq usage. +/* + * Global private object state for tracking resources that are shared across + * multiple kms objects (planes/crtcs/etc). */ -struct omap_drm_irq { - struct list_head node; - uint32_t irqmask; - bool registered; - void (*irq)(struct omap_drm_irq *irq, uint32_t irqstatus); -}; +#define to_omap_global_state(x) container_of(x, struct omap_global_state, base) -/* For KMS code that needs to wait for a certain # of IRQs: - */ -struct omap_irq_wait; -struct omap_irq_wait * omap_irq_wait_init(struct drm_device *dev, - uint32_t irqmask, int count); -int omap_irq_wait(struct drm_device *dev, struct omap_irq_wait *wait, - unsigned long timeout); +struct omap_global_state { + struct drm_private_state base; + + /* global atomic state of assignment between overlays and planes */ + struct drm_plane *hwoverlay_to_plane[8]; +}; struct omap_drm_private { - uint32_t omaprev; + struct drm_device *ddev; + struct device *dev; + u32 omaprev; + + struct dss_device *dss; + struct dispc_device *dispc; + + bool irq_enabled; - unsigned int num_crtcs; - struct drm_crtc *crtcs[8]; + unsigned int num_pipes; + struct omap_drm_pipeline pipes[8]; + struct omap_drm_pipeline *channels[8]; unsigned int num_planes; struct drm_plane *planes[8]; - unsigned int num_encoders; - struct drm_encoder *encoders[8]; + unsigned int num_ovls; + struct omap_hw_overlay *overlays[8]; - unsigned int num_connectors; - struct drm_connector *connectors[8]; - - struct drm_fb_helper *fbdev; + struct drm_private_obj glob_obj; struct workqueue_struct *wq; + /* lock for obj_list below */ + struct mutex list_lock; + /* list of GEM objects: */ struct list_head obj_list; + struct omap_drm_usergart *usergart; bool has_dmm; /* properties: */ - struct drm_property *rotation_prop; struct drm_property *zorder_prop; /* irq handling: */ - struct list_head irq_list; /* list of omap_drm_irq */ - uint32_t vblank_mask; /* irq bits set for userspace vblank */ - struct omap_drm_irq error_handler; -}; - -/* this should probably be in drm-core to standardize amongst drivers */ -#define DRM_ROTATE_0 0 -#define DRM_ROTATE_90 1 -#define DRM_ROTATE_180 2 -#define DRM_ROTATE_270 3 -#define DRM_REFLECT_X 4 -#define DRM_REFLECT_Y 5 - -#ifdef CONFIG_DEBUG_FS -int omap_debugfs_init(struct drm_minor *minor); -void omap_debugfs_cleanup(struct drm_minor *minor); -void omap_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m); -void omap_gem_describe(struct drm_gem_object *obj, struct seq_file *m); -void omap_gem_describe_objects(struct list_head *list, struct seq_file *m); -#endif - -#ifdef CONFIG_PM -int omap_gem_resume(struct device *dev); -#endif - -int omap_irq_enable_vblank(struct drm_device *dev, int crtc_id); -void omap_irq_disable_vblank(struct drm_device *dev, int crtc_id); -irqreturn_t omap_irq_handler(DRM_IRQ_ARGS); -void omap_irq_preinstall(struct drm_device *dev); -int omap_irq_postinstall(struct drm_device *dev); -void omap_irq_uninstall(struct drm_device *dev); -void omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq); -void omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq); -int omap_drm_irq_uninstall(struct drm_device *dev); -int omap_drm_irq_install(struct drm_device *dev); - -struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev); -void omap_fbdev_free(struct drm_device *dev); - -const struct omap_video_timings *omap_crtc_timings(struct drm_crtc *crtc); -enum omap_channel omap_crtc_channel(struct drm_crtc *crtc); -int omap_crtc_apply(struct drm_crtc *crtc, - struct omap_drm_apply *apply); -void omap_crtc_pre_init(void); -struct drm_crtc *omap_crtc_init(struct drm_device *dev, - struct drm_plane *plane, enum omap_channel channel, int id); - -struct drm_plane *omap_plane_init(struct drm_device *dev, - int plane_id, bool private_plane); -int omap_plane_dpms(struct drm_plane *plane, int mode); -int omap_plane_mode_set(struct drm_plane *plane, - struct drm_crtc *crtc, struct drm_framebuffer *fb, - int crtc_x, int crtc_y, - unsigned int crtc_w, unsigned int crtc_h, - uint32_t src_x, uint32_t src_y, - uint32_t src_w, uint32_t src_h, - void (*fxn)(void *), void *arg); -void omap_plane_install_properties(struct drm_plane *plane, - struct drm_mode_object *obj); -int omap_plane_set_property(struct drm_plane *plane, - struct drm_property *property, uint64_t val); - -struct drm_encoder *omap_encoder_init(struct drm_device *dev, - struct omap_dss_device *dssdev); -int omap_encoder_set_enabled(struct drm_encoder *encoder, bool enabled); -int omap_encoder_update(struct drm_encoder *encoder, - struct omap_overlay_manager *mgr, - struct omap_video_timings *timings); - -struct drm_connector *omap_connector_init(struct drm_device *dev, - int connector_type, struct omap_dss_device *dssdev, - struct drm_encoder *encoder); -struct drm_encoder *omap_connector_attached_encoder( - struct drm_connector *connector); -void omap_connector_flush(struct drm_connector *connector, - int x, int y, int w, int h); - -void copy_timings_omap_to_drm(struct drm_display_mode *mode, - struct omap_video_timings *timings); -void copy_timings_drm_to_omap(struct omap_video_timings *timings, - struct drm_display_mode *mode); - -uint32_t omap_framebuffer_get_formats(uint32_t *pixel_formats, - uint32_t max_formats, enum omap_color_mode supported_modes); -struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev, - struct drm_file *file, struct drm_mode_fb_cmd2 *mode_cmd); -struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev, - struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos); -struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb, int p); -int omap_framebuffer_replace(struct drm_framebuffer *a, - struct drm_framebuffer *b, void *arg, - void (*unpin)(void *arg, struct drm_gem_object *bo)); -void omap_framebuffer_update_scanout(struct drm_framebuffer *fb, - struct omap_drm_window *win, struct omap_overlay_info *info); -struct drm_connector *omap_framebuffer_get_next_connector( - struct drm_framebuffer *fb, struct drm_connector *from); -void omap_framebuffer_flush(struct drm_framebuffer *fb, - int x, int y, int w, int h); - -void omap_gem_init(struct drm_device *dev); -void omap_gem_deinit(struct drm_device *dev); - -struct drm_gem_object *omap_gem_new(struct drm_device *dev, - union omap_gem_size gsize, uint32_t flags); -int omap_gem_new_handle(struct drm_device *dev, struct drm_file *file, - union omap_gem_size gsize, uint32_t flags, uint32_t *handle); -void omap_gem_free_object(struct drm_gem_object *obj); -int omap_gem_init_object(struct drm_gem_object *obj); -void *omap_gem_vaddr(struct drm_gem_object *obj); -int omap_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev, - uint32_t handle, uint64_t *offset); -int omap_gem_dumb_destroy(struct drm_file *file, struct drm_device *dev, - uint32_t handle); -int omap_gem_dumb_create(struct drm_file *file, struct drm_device *dev, - struct drm_mode_create_dumb *args); -int omap_gem_mmap(struct file *filp, struct vm_area_struct *vma); -int omap_gem_mmap_obj(struct drm_gem_object *obj, - struct vm_area_struct *vma); -int omap_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf); -int omap_gem_op_start(struct drm_gem_object *obj, enum omap_gem_op op); -int omap_gem_op_finish(struct drm_gem_object *obj, enum omap_gem_op op); -int omap_gem_op_sync(struct drm_gem_object *obj, enum omap_gem_op op); -int omap_gem_op_async(struct drm_gem_object *obj, enum omap_gem_op op, - void (*fxn)(void *arg), void *arg); -int omap_gem_roll(struct drm_gem_object *obj, uint32_t roll); -void omap_gem_cpu_sync(struct drm_gem_object *obj, int pgoff); -void omap_gem_dma_sync(struct drm_gem_object *obj, - enum dma_data_direction dir); -int omap_gem_get_paddr(struct drm_gem_object *obj, - dma_addr_t *paddr, bool remap); -int omap_gem_put_paddr(struct drm_gem_object *obj); -int omap_gem_get_pages(struct drm_gem_object *obj, struct page ***pages, - bool remap); -int omap_gem_put_pages(struct drm_gem_object *obj); -uint32_t omap_gem_flags(struct drm_gem_object *obj); -int omap_gem_rotated_paddr(struct drm_gem_object *obj, uint32_t orient, - int x, int y, dma_addr_t *paddr); -uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj); -size_t omap_gem_mmap_size(struct drm_gem_object *obj); -int omap_gem_tiled_size(struct drm_gem_object *obj, uint16_t *w, uint16_t *h); -int omap_gem_tiled_stride(struct drm_gem_object *obj, uint32_t orient); - -struct dma_buf *omap_gem_prime_export(struct drm_device *dev, - struct drm_gem_object *obj, int flags); -struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev, - struct dma_buf *buffer); - -static inline int align_pitch(int pitch, int width, int bpp) -{ - int bytespp = (bpp + 7) / 8; - /* in case someone tries to feed us a completely bogus stride: */ - pitch = max(pitch, width * bytespp); - /* PVR needs alignment to 8 pixels.. right now that is the most - * restrictive stride requirement.. - */ - return ALIGN(pitch, 8 * bytespp); -} - -/* map crtc to vblank mask */ -uint32_t pipe2vbl(struct drm_crtc *crtc); -struct omap_dss_device *omap_encoder_get_dssdev(struct drm_encoder *encoder); - -/* should these be made into common util helpers? - */ + spinlock_t wait_lock; /* protects the wait_list */ + struct list_head wait_list; /* list of omap_irq_wait */ + u32 irq_mask; /* enabled irqs in addition to wait_list */ -static inline int objects_lookup(struct drm_device *dev, - struct drm_file *filp, uint32_t pixel_format, - struct drm_gem_object **bos, uint32_t *handles) -{ - int i, n = drm_format_num_planes(pixel_format); + /* memory bandwidth limit if it is needed on the platform */ + unsigned int max_bandwidth; - for (i = 0; i < n; i++) { - bos[i] = drm_gem_object_lookup(dev, filp, handles[i]); - if (!bos[i]) - goto fail; + struct omap_fbdev *fbdev; +}; - } - return 0; +void omap_debugfs_init(struct drm_minor *minor); -fail: - while (--i > 0) - drm_gem_object_unreference_unlocked(bos[i]); +struct omap_global_state * __must_check omap_get_global_state(struct drm_atomic_state *s); - return -ENOENT; -} +struct omap_global_state *omap_get_existing_global_state(struct omap_drm_private *priv); -#endif /* __OMAP_DRV_H__ */ +#endif /* __OMAPDRM_DRV_H__ */ |