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/platform_data/omap_drm.h> 25 #include <linux/types.h> 26 #include <linux/wait.h> 27 28 #include <drm/drmP.h> 29 #include <drm/drm_crtc_helper.h> 30 #include <drm/drm_gem.h> 31 #include <drm/omap_drm.h> 32 33 #include "dss/omapdss.h" 34 35 #define DBG(fmt, ...) DRM_DEBUG(fmt"\n", ##__VA_ARGS__) 36 #define VERB(fmt, ...) if (0) DRM_DEBUG(fmt, ##__VA_ARGS__) /* verbose debug */ 37 38 #define MODULE_NAME "omapdrm" 39 40 struct omap_drm_usergart; 41 42 /* parameters which describe (unrotated) coordinates of scanout within a fb: */ 43 struct omap_drm_window { 44 uint32_t rotation; 45 int32_t crtc_x, crtc_y; /* signed because can be offscreen */ 46 uint32_t crtc_w, crtc_h; 47 uint32_t src_x, src_y; 48 uint32_t src_w, src_h; 49 }; 50 51 /* For KMS code that needs to wait for a certain # of IRQs: 52 */ 53 struct omap_irq_wait; 54 struct omap_irq_wait * omap_irq_wait_init(struct drm_device *dev, 55 uint32_t irqmask, int count); 56 int omap_irq_wait(struct drm_device *dev, struct omap_irq_wait *wait, 57 unsigned long timeout); 58 59 struct omap_drm_private { 60 uint32_t omaprev; 61 62 const struct dispc_ops *dispc_ops; 63 64 unsigned int num_crtcs; 65 struct drm_crtc *crtcs[8]; 66 67 unsigned int num_planes; 68 struct drm_plane *planes[8]; 69 70 unsigned int num_encoders; 71 struct drm_encoder *encoders[8]; 72 73 unsigned int num_connectors; 74 struct drm_connector *connectors[8]; 75 76 struct drm_fb_helper *fbdev; 77 78 struct workqueue_struct *wq; 79 80 /* lock for obj_list below */ 81 spinlock_t list_lock; 82 83 /* list of GEM objects: */ 84 struct list_head obj_list; 85 86 struct omap_drm_usergart *usergart; 87 bool has_dmm; 88 89 /* properties: */ 90 struct drm_property *zorder_prop; 91 92 /* irq handling: */ 93 spinlock_t wait_lock; /* protects the wait_list */ 94 struct list_head wait_list; /* list of omap_irq_wait */ 95 uint32_t irq_mask; /* enabled irqs in addition to wait_list */ 96 97 /* atomic commit */ 98 struct { 99 wait_queue_head_t wait; 100 u32 pending; 101 spinlock_t lock; /* Protects commit.pending */ 102 } commit; 103 }; 104 105 106 #ifdef CONFIG_DEBUG_FS 107 int omap_debugfs_init(struct drm_minor *minor); 108 void omap_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m); 109 void omap_gem_describe(struct drm_gem_object *obj, struct seq_file *m); 110 void omap_gem_describe_objects(struct list_head *list, struct seq_file *m); 111 #endif 112 113 #ifdef CONFIG_PM 114 int omap_gem_resume(struct device *dev); 115 #endif 116 117 int omap_irq_enable_vblank(struct drm_crtc *crtc); 118 void omap_irq_disable_vblank(struct drm_crtc *crtc); 119 void omap_drm_irq_uninstall(struct drm_device *dev); 120 int omap_drm_irq_install(struct drm_device *dev); 121 122 #ifdef CONFIG_DRM_FBDEV_EMULATION 123 struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev); 124 void omap_fbdev_free(struct drm_device *dev); 125 #else 126 static inline struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev) 127 { 128 return NULL; 129 } 130 static inline void omap_fbdev_free(struct drm_device *dev) 131 { 132 } 133 #endif 134 135 struct videomode *omap_crtc_timings(struct drm_crtc *crtc); 136 enum omap_channel omap_crtc_channel(struct drm_crtc *crtc); 137 void omap_crtc_pre_init(void); 138 void omap_crtc_pre_uninit(void); 139 struct drm_crtc *omap_crtc_init(struct drm_device *dev, 140 struct drm_plane *plane, struct omap_dss_device *dssdev); 141 int omap_crtc_wait_pending(struct drm_crtc *crtc); 142 void omap_crtc_error_irq(struct drm_crtc *crtc, uint32_t irqstatus); 143 void omap_crtc_vblank_irq(struct drm_crtc *crtc); 144 145 struct drm_plane *omap_plane_init(struct drm_device *dev, 146 int idx, enum drm_plane_type type, 147 u32 possible_crtcs); 148 void omap_plane_install_properties(struct drm_plane *plane, 149 struct drm_mode_object *obj); 150 151 struct drm_encoder *omap_encoder_init(struct drm_device *dev, 152 struct omap_dss_device *dssdev); 153 154 struct drm_connector *omap_connector_init(struct drm_device *dev, 155 int connector_type, struct omap_dss_device *dssdev, 156 struct drm_encoder *encoder); 157 struct drm_encoder *omap_connector_attached_encoder( 158 struct drm_connector *connector); 159 bool omap_connector_get_hdmi_mode(struct drm_connector *connector); 160 161 uint32_t omap_framebuffer_get_formats(uint32_t *pixel_formats, 162 uint32_t max_formats, enum omap_color_mode supported_modes); 163 struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev, 164 struct drm_file *file, const struct drm_mode_fb_cmd2 *mode_cmd); 165 struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev, 166 const struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos); 167 int omap_framebuffer_pin(struct drm_framebuffer *fb); 168 void omap_framebuffer_unpin(struct drm_framebuffer *fb); 169 void omap_framebuffer_update_scanout(struct drm_framebuffer *fb, 170 struct omap_drm_window *win, struct omap_overlay_info *info); 171 struct drm_connector *omap_framebuffer_get_next_connector( 172 struct drm_framebuffer *fb, struct drm_connector *from); 173 bool omap_framebuffer_supports_rotation(struct drm_framebuffer *fb); 174 175 void omap_gem_init(struct drm_device *dev); 176 void omap_gem_deinit(struct drm_device *dev); 177 178 struct drm_gem_object *omap_gem_new(struct drm_device *dev, 179 union omap_gem_size gsize, uint32_t flags); 180 struct drm_gem_object *omap_gem_new_dmabuf(struct drm_device *dev, size_t size, 181 struct sg_table *sgt); 182 int omap_gem_new_handle(struct drm_device *dev, struct drm_file *file, 183 union omap_gem_size gsize, uint32_t flags, uint32_t *handle); 184 void omap_gem_free_object(struct drm_gem_object *obj); 185 void *omap_gem_vaddr(struct drm_gem_object *obj); 186 int omap_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev, 187 uint32_t handle, uint64_t *offset); 188 int omap_gem_dumb_create(struct drm_file *file, struct drm_device *dev, 189 struct drm_mode_create_dumb *args); 190 int omap_gem_mmap(struct file *filp, struct vm_area_struct *vma); 191 int omap_gem_mmap_obj(struct drm_gem_object *obj, 192 struct vm_area_struct *vma); 193 int omap_gem_fault(struct vm_fault *vmf); 194 int omap_gem_op_start(struct drm_gem_object *obj, enum omap_gem_op op); 195 int omap_gem_op_finish(struct drm_gem_object *obj, enum omap_gem_op op); 196 int omap_gem_op_sync(struct drm_gem_object *obj, enum omap_gem_op op); 197 int omap_gem_op_async(struct drm_gem_object *obj, enum omap_gem_op op, 198 void (*fxn)(void *arg), void *arg); 199 int omap_gem_roll(struct drm_gem_object *obj, uint32_t roll); 200 void omap_gem_cpu_sync(struct drm_gem_object *obj, int pgoff); 201 void omap_gem_dma_sync(struct drm_gem_object *obj, 202 enum dma_data_direction dir); 203 int omap_gem_get_paddr(struct drm_gem_object *obj, 204 dma_addr_t *paddr, bool remap); 205 void omap_gem_put_paddr(struct drm_gem_object *obj); 206 int omap_gem_get_pages(struct drm_gem_object *obj, struct page ***pages, 207 bool remap); 208 int omap_gem_put_pages(struct drm_gem_object *obj); 209 uint32_t omap_gem_flags(struct drm_gem_object *obj); 210 int omap_gem_rotated_paddr(struct drm_gem_object *obj, uint32_t orient, 211 int x, int y, dma_addr_t *paddr); 212 uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj); 213 size_t omap_gem_mmap_size(struct drm_gem_object *obj); 214 int omap_gem_tiled_stride(struct drm_gem_object *obj, uint32_t orient); 215 216 struct dma_buf *omap_gem_prime_export(struct drm_device *dev, 217 struct drm_gem_object *obj, int flags); 218 struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev, 219 struct dma_buf *buffer); 220 221 /* map crtc to vblank mask */ 222 struct omap_dss_device *omap_encoder_get_dssdev(struct drm_encoder *encoder); 223 224 #endif /* __OMAP_DRV_H__ */ 225