334 строки
12 KiB
C
334 строки
12 KiB
C
/*
|
|
* drivers/gpu/drm/omapdrm/omap_drv.h
|
|
*
|
|
* Copyright (C) 2011 Texas Instruments
|
|
* 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__
|
|
|
|
#include <video/omapdss.h>
|
|
#include <linux/module.h>
|
|
#include <linux/types.h>
|
|
#include <drm/drmP.h>
|
|
#include <drm/drm_crtc_helper.h>
|
|
#include <drm/omap_drm.h>
|
|
#include <linux/platform_data/omap_drm.h>
|
|
|
|
|
|
#define DBG(fmt, ...) DRM_DEBUG(fmt"\n", ##__VA_ARGS__)
|
|
#define VERB(fmt, ...) if (0) DRM_DEBUG(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;
|
|
};
|
|
|
|
/* 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);
|
|
};
|
|
|
|
/* 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.
|
|
*/
|
|
struct omap_drm_irq {
|
|
struct list_head node;
|
|
uint32_t irqmask;
|
|
bool registered;
|
|
void (*irq)(struct omap_drm_irq *irq, uint32_t irqstatus);
|
|
};
|
|
|
|
/* 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_drm_private {
|
|
uint32_t omaprev;
|
|
|
|
unsigned int num_crtcs;
|
|
struct drm_crtc *crtcs[8];
|
|
|
|
unsigned int num_planes;
|
|
struct drm_plane *planes[8];
|
|
|
|
unsigned int num_encoders;
|
|
struct drm_encoder *encoders[8];
|
|
|
|
unsigned int num_connectors;
|
|
struct drm_connector *connectors[8];
|
|
|
|
struct drm_fb_helper *fbdev;
|
|
|
|
struct workqueue_struct *wq;
|
|
|
|
/* list of GEM objects: */
|
|
struct list_head obj_list;
|
|
|
|
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);
|
|
void omap_irq_disable_vblank(struct drm_device *dev, int crtc);
|
|
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);
|
|
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);
|
|
}
|
|
|
|
static inline enum omap_channel pipe2chan(int pipe)
|
|
{
|
|
int num_mgrs = dss_feat_get_num_mgrs();
|
|
|
|
/*
|
|
* We usually don't want to create a CRTC for each manager,
|
|
* at least not until we have a way to expose private planes
|
|
* to userspace. Otherwise there would not be enough video
|
|
* pipes left for drm planes. The higher #'d managers tend
|
|
* to have more features so start in reverse order.
|
|
*/
|
|
return num_mgrs - pipe - 1;
|
|
}
|
|
|
|
/* map crtc to vblank mask */
|
|
static inline uint32_t pipe2vbl(int crtc)
|
|
{
|
|
enum omap_channel channel = pipe2chan(crtc);
|
|
return dispc_mgr_get_vsync_irq(channel);
|
|
}
|
|
|
|
static inline int crtc2pipe(struct drm_device *dev, struct drm_crtc *crtc)
|
|
{
|
|
struct omap_drm_private *priv = dev->dev_private;
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(priv->crtcs); i++)
|
|
if (priv->crtcs[i] == crtc)
|
|
return i;
|
|
|
|
BUG(); /* bogus CRTC ptr */
|
|
return -1;
|
|
}
|
|
|
|
/* should these be made into common util helpers?
|
|
*/
|
|
|
|
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);
|
|
|
|
for (i = 0; i < n; i++) {
|
|
bos[i] = drm_gem_object_lookup(dev, filp, handles[i]);
|
|
if (!bos[i])
|
|
goto fail;
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
fail:
|
|
while (--i > 0)
|
|
drm_gem_object_unreference_unlocked(bos[i]);
|
|
|
|
return -ENOENT;
|
|
}
|
|
|
|
#endif /* __OMAP_DRV_H__ */
|