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 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 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__ */ 200