drivers/gpu/drm/omapdrm/omap_drv.h

   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
  39 struct omap_drm_usergart;
  40
  41 /* For KMS code that needs to wait for a certain # of IRQs:
  42  */
  43 struct omap_irq_wait;
  44 struct omap_irq_wait * omap_irq_wait_init(struct drm_device *dev,
  45                 uint32_t irqmask, int count);
  46 int omap_irq_wait(struct drm_device *dev, struct omap_irq_wait *wait,
  47                 unsigned long timeout);
  48
  49 struct 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         struct mutex 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
  90 int omap_debugfs_init(struct drm_minor *minor);
  91 void omap_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m);
  92 void omap_gem_describe(struct drm_gem_object *obj, struct seq_file *m);
  93 void omap_gem_describe_objects(struct list_head *list, struct seq_file *m);
  94 #endif
  95
  96 #ifdef CONFIG_PM
  97 int omap_gem_resume(struct device *dev);
  98 #endif
  99
 100 int omap_irq_enable_vblank(struct drm_crtc *crtc);
 101 void omap_irq_disable_vblank(struct drm_crtc *crtc);
 102 void omap_drm_irq_uninstall(struct drm_device *dev);
 103 int omap_drm_irq_install(struct drm_device *dev);
 104
 105 #ifdef CONFIG_DRM_FBDEV_EMULATION
 106 struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev);
 107 void omap_fbdev_free(struct drm_device *dev);
 108 #else
 109 static inline struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev)
 110 {
 111         return NULL;
 112 }
 113 static inline void omap_fbdev_free(struct drm_device *dev)
 114 {
 115 }
 116 #endif
 117
 118 struct videomode *omap_crtc_timings(struct drm_crtc *crtc);
 119 enum omap_channel omap_crtc_channel(struct drm_crtc *crtc);
 120 void omap_crtc_pre_init(void);
 121 void omap_crtc_pre_uninit(void);
 122 struct drm_crtc *omap_crtc_init(struct drm_device *dev,
 123                 struct drm_plane *plane, struct omap_dss_device *dssdev);
 124 int omap_crtc_wait_pending(struct drm_crtc *crtc);
 125 void omap_crtc_error_irq(struct drm_crtc *crtc, uint32_t irqstatus);
 126 void omap_crtc_vblank_irq(struct drm_crtc *crtc);
 127
 128 struct drm_plane *omap_plane_init(struct drm_device *dev,
 129                 int idx, enum drm_plane_type type,
 130                 u32 possible_crtcs);
 131 void omap_plane_install_properties(struct drm_plane *plane,
 132                 struct drm_mode_object *obj);
 133
 134 struct drm_encoder *omap_encoder_init(struct drm_device *dev,
 135                 struct omap_dss_device *dssdev);
 136
 137 struct drm_connector *omap_connector_init(struct drm_device *dev,
 138                 int connector_type, struct omap_dss_device *dssdev,
 139                 struct drm_encoder *encoder);
 140 struct drm_encoder *omap_connector_attached_encoder(
 141                 struct drm_connector *connector);
 142 bool omap_connector_get_hdmi_mode(struct drm_connector *connector);
 143
 144 struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev,
 145                 struct drm_file *file, const struct drm_mode_fb_cmd2 *mode_cmd);
 146 struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev,
 147                 const struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos);
 148 int omap_framebuffer_pin(struct drm_framebuffer *fb);
 149 void omap_framebuffer_unpin(struct drm_framebuffer *fb);
 150 void omap_framebuffer_update_scanout(struct drm_framebuffer *fb,
 151                 struct drm_plane_state *state, struct omap_overlay_info *info);
 152 struct drm_connector *omap_framebuffer_get_next_connector(
 153                 struct drm_framebuffer *fb, struct drm_connector *from);
 154 bool omap_framebuffer_supports_rotation(struct drm_framebuffer *fb);
 155
 156 void omap_gem_init(struct drm_device *dev);
 157 void omap_gem_deinit(struct drm_device *dev);
 158
 159 struct drm_gem_object *omap_gem_new(struct drm_device *dev,
 160                 union omap_gem_size gsize, uint32_t flags);
 161 struct drm_gem_object *omap_gem_new_dmabuf(struct drm_device *dev, size_t size,
 162                 struct sg_table *sgt);
 163 int omap_gem_new_handle(struct drm_device *dev, struct drm_file *file,
 164                 union omap_gem_size gsize, uint32_t flags, uint32_t *handle);
 165 void omap_gem_free_object(struct drm_gem_object *obj);
 166 void *omap_gem_vaddr(struct drm_gem_object *obj);
 167 int omap_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
 168                 uint32_t handle, uint64_t *offset);
 169 int omap_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
 170                 struct drm_mode_create_dumb *args);
 171 int omap_gem_mmap(struct file *filp, struct vm_area_struct *vma);
 172 int omap_gem_mmap_obj(struct drm_gem_object *obj,
 173                 struct vm_area_struct *vma);
 174 int omap_gem_fault(struct vm_fault *vmf);
 175 int omap_gem_roll(struct drm_gem_object *obj, uint32_t roll);
 176 void omap_gem_cpu_sync_page(struct drm_gem_object *obj, int pgoff);
 177 void omap_gem_dma_sync_buffer(struct drm_gem_object *obj,
 178                 enum dma_data_direction dir);
 179 int omap_gem_pin(struct drm_gem_object *obj, dma_addr_t *dma_addr);
 180 void omap_gem_unpin(struct drm_gem_object *obj);
 181 int omap_gem_get_pages(struct drm_gem_object *obj, struct page ***pages,
 182                 bool remap);
 183 int omap_gem_put_pages(struct drm_gem_object *obj);
 184 uint32_t omap_gem_flags(struct drm_gem_object *obj);
 185 int omap_gem_rotated_dma_addr(struct drm_gem_object *obj, uint32_t orient,
 186                 int x, int y, dma_addr_t *dma_addr);
 187 uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj);
 188 size_t omap_gem_mmap_size(struct drm_gem_object *obj);
 189 int omap_gem_tiled_stride(struct drm_gem_object *obj, uint32_t orient);
 190
 191 struct dma_buf *omap_gem_prime_export(struct drm_device *dev,
 192                 struct drm_gem_object *obj, int flags);
 193 struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev,
 194                 struct dma_buf *buffer);
 195
 196 /* map crtc to vblank mask */
 197 struct omap_dss_device *omap_encoder_get_dssdev(struct drm_encoder *encoder);
 198
 199 #endif /* __OMAP_DRV_H__ */