LXR linux/drivers/gpu/drm/omapdrm/omap

   1/*
   2 * drivers/gpu/drm/omapdrm/omap_drv.h
   3 *
   4 * Copyright (C) 2011 Texas Instruments
   5 * Author: Rob Clark <rob@ti.com>
   6 *
   7 * This program is free software; you can redistribute it and/or modify it
   8 * under the terms of the GNU General Public License version 2 as published by
   9 * the Free Software Foundation.
  10 *
  11 * This program is distributed in the hope that it will be useful, but WITHOUT
  12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14 * more details.
  15 *
  16 * You should have received a copy of the GNU General Public License along with
  17 * this program.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20#ifndef __OMAP_DRV_H__
  21#define __OMAP_DRV_H__
  22
  23#include <linux/module.h>
  24#include <linux/types.h>
  25#include <linux/workqueue.h>
  26
  27#include <drm/drmP.h>
  28#include <drm/drm_crtc_helper.h>
  29#include <drm/drm_gem.h>
  30#include <drm/omap_drm.h>
  31
  32#include "dss/omapdss.h"
  33
  34#define DBG(fmt, ...) DRM_DEBUG(fmt"\n", ##__VA_ARGS__)
  35#define VERB(fmt, ...) if (0) DRM_DEBUG(fmt, ##__VA_ARGS__) /* verbose debug */
  36
  37#define MODULE_NAME     "omapdrm"
  38
  39struct omap_drm_usergart;
  40
  41/* For KMS code that needs to wait for a certain # of IRQs:
  42 */
  43struct omap_irq_wait;
  44struct omap_irq_wait * omap_irq_wait_init(struct drm_device *dev,
  45                uint32_t irqmask, int count);
  46int omap_irq_wait(struct drm_device *dev, struct omap_irq_wait *wait,
  47                unsigned long timeout);
  48
  49struct omap_drm_private {
  50        uint32_t omaprev;
  51
  52        const struct dispc_ops *dispc_ops;
  53
  54        unsigned int num_crtcs;
  55        struct drm_crtc *crtcs[8];
  56
  57        unsigned int num_planes;
  58        struct drm_plane *planes[8];
  59
  60        unsigned int num_encoders;
  61        struct drm_encoder *encoders[8];
  62
  63        unsigned int num_connectors;
  64        struct drm_connector *connectors[8];
  65
  66        struct drm_fb_helper *fbdev;
  67
  68        struct workqueue_struct *wq;
  69
  70        /* lock for obj_list below */
  71        spinlock_t list_lock;
  72
  73        /* list of GEM objects: */
  74        struct list_head obj_list;
  75
  76        struct omap_drm_usergart *usergart;
  77        bool has_dmm;
  78
  79        /* properties: */
  80        struct drm_property *zorder_prop;
  81
  82        /* irq handling: */
  83        spinlock_t wait_lock;           /* protects the wait_list */
  84        struct list_head wait_list;     /* list of omap_irq_wait */
  85        uint32_t irq_mask;              /* enabled irqs in addition to wait_list */
  86};
  87
  88
  89#ifdef CONFIG_DEBUG_FS
  90int omap_debugfs_init(struct drm_minor *minor);
  91void omap_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m);
  92void omap_gem_describe(struct drm_gem_object *obj, struct seq_file *m);
  93void omap_gem_describe_objects(struct list_head *list, struct seq_file *m);
  94#endif
  95
  96#ifdef CONFIG_PM
  97int omap_gem_resume(struct device *dev);
  98#endif
  99
 100int omap_irq_enable_vblank(struct drm_crtc *crtc);
 101void omap_irq_disable_vblank(struct drm_crtc *crtc);
 102void omap_drm_irq_uninstall(struct drm_device *dev);
 103int omap_drm_irq_install(struct drm_device *dev);
 104
 105#ifdef CONFIG_DRM_FBDEV_EMULATION
 106struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev);
 107void omap_fbdev_free(struct drm_device *dev);
 108#else
 109static inline struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev)
 110{
 111        return NULL;
 112}
 113static inline void omap_fbdev_free(struct drm_device *dev)
 114{
 115}
 116#endif
 117
 118struct videomode *omap_crtc_timings(struct drm_crtc *crtc);
 119enum omap_channel omap_crtc_channel(struct drm_crtc *crtc);
 120void omap_crtc_pre_init(void);
 121void omap_crtc_pre_uninit(void);
 122struct drm_crtc *omap_crtc_init(struct drm_device *dev,
 123                struct drm_plane *plane, struct omap_dss_device *dssdev);
 124int omap_crtc_wait_pending(struct drm_crtc *crtc);
 125void omap_crtc_error_irq(struct drm_crtc *crtc, uint32_t irqstatus);
 126void omap_crtc_vblank_irq(struct drm_crtc *crtc);
 127
 128struct drm_plane *omap_plane_init(struct drm_device *dev,
 129                int idx, enum drm_plane_type type,
 130                u32 possible_crtcs);
 131void omap_plane_install_properties(struct drm_plane *plane,
 132                struct drm_mode_object *obj);
 133
 134struct drm_encoder *omap_encoder_init(struct drm_device *dev,
 135                struct omap_dss_device *dssdev);
 136
 137struct drm_connector *omap_connector_init(struct drm_device *dev,
 138                int connector_type, struct omap_dss_device *dssdev,
 139                struct drm_encoder *encoder);
 140struct drm_encoder *omap_connector_attached_encoder(
 141                struct drm_connector *connector);
 142bool omap_connector_get_hdmi_mode(struct drm_connector *connector);
 143
 144struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev,
 145                struct drm_file *file, const struct drm_mode_fb_cmd2 *mode_cmd);
 146struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev,
 147                const struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos);
 148int omap_framebuffer_pin(struct drm_framebuffer *fb);
 149void omap_framebuffer_unpin(struct drm_framebuffer *fb);
 150void omap_framebuffer_update_scanout(struct drm_framebuffer *fb,
 151                struct drm_plane_state *state, struct omap_overlay_info *info);
 152struct drm_connector *omap_framebuffer_get_next_connector(
 153                struct drm_framebuffer *fb, struct drm_connector *from);
 154bool omap_framebuffer_supports_rotation(struct drm_framebuffer *fb);
 155
 156void omap_gem_init(struct drm_device *dev);
 157void omap_gem_deinit(struct drm_device *dev);
 158
 159struct drm_gem_object *omap_gem_new(struct drm_device *dev,
 160                union omap_gem_size gsize, uint32_t flags);
 161struct drm_gem_object *omap_gem_new_dmabuf(struct drm_device *dev, size_t size,
 162                struct sg_table *sgt);
 163int omap_gem_new_handle(struct drm_device *dev, struct drm_file *file,
 164                union omap_gem_size gsize, uint32_t flags, uint32_t *handle);
 165void omap_gem_free_object(struct drm_gem_object *obj);
 166void *omap_gem_vaddr(struct drm_gem_object *obj);
 167int omap_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
 168                uint32_t handle, uint64_t *offset);
 169int omap_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
 170                struct drm_mode_create_dumb *args);
 171int omap_gem_mmap(struct file *filp, struct vm_area_struct *vma);
 172int omap_gem_mmap_obj(struct drm_gem_object *obj,
 173                struct vm_area_struct *vma);
 174int omap_gem_fault(struct vm_fault *vmf);
 175int omap_gem_roll(struct drm_gem_object *obj, uint32_t roll);
 176void omap_gem_cpu_sync_page(struct drm_gem_object *obj, int pgoff);
 177void omap_gem_dma_sync_buffer(struct drm_gem_object *obj,
 178                enum dma_data_direction dir);
 179int omap_gem_pin(struct drm_gem_object *obj, dma_addr_t *dma_addr);
 180void omap_gem_unpin(struct drm_gem_object *obj);
 181int omap_gem_get_pages(struct drm_gem_object *obj, struct page ***pages,
 182                bool remap);
 183int omap_gem_put_pages(struct drm_gem_object *obj);
 184uint32_t omap_gem_flags(struct drm_gem_object *obj);
 185int omap_gem_rotated_dma_addr(struct drm_gem_object *obj, uint32_t orient,
 186                int x, int y, dma_addr_t *dma_addr);
 187uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj);
 188size_t omap_gem_mmap_size(struct drm_gem_object *obj);
 189int omap_gem_tiled_stride(struct drm_gem_object *obj, uint32_t orient);
 190
 191struct dma_buf *omap_gem_prime_export(struct drm_device *dev,
 192                struct drm_gem_object *obj, int flags);
 193struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev,
 194                struct dma_buf *buffer);
 195
 196/* map crtc to vblank mask */
 197struct omap_dss_device *omap_encoder_get_dssdev(struct drm_encoder *encoder);
 198
 199#endif /* __OMAP_DRV_H__ */
 200