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 unsigned int num_crtcs; 63 struct drm_crtc *crtcs[8]; 64 65 unsigned int num_planes; 66 struct drm_plane *planes[8]; 67 68 unsigned int num_encoders; 69 struct drm_encoder *encoders[8]; 70 71 unsigned int num_connectors; 72 struct drm_connector *connectors[8]; 73 74 struct drm_fb_helper *fbdev; 75 76 struct workqueue_struct *wq; 77 78 /* lock for obj_list below */ 79 spinlock_t list_lock; 80 81 /* list of GEM objects: */ 82 struct list_head obj_list; 83 84 struct omap_drm_usergart *usergart; 85 bool has_dmm; 86 87 /* properties: */ 88 struct drm_property *zorder_prop; 89 90 /* irq handling: */ 91 spinlock_t wait_lock; /* protects the wait_list */ 92 struct list_head wait_list; /* list of omap_irq_wait */ 93 uint32_t irq_mask; /* enabled irqs in addition to wait_list */ 94 95 /* atomic commit */ 96 struct { 97 wait_queue_head_t wait; 98 u32 pending; 99 spinlock_t lock; /* Protects commit.pending */ 100 } commit; 101 }; 102 103 104 #ifdef CONFIG_DEBUG_FS 105 int omap_debugfs_init(struct drm_minor *minor); 106 void omap_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m); 107 void omap_gem_describe(struct drm_gem_object *obj, struct seq_file *m); 108 void omap_gem_describe_objects(struct list_head *list, struct seq_file *m); 109 #endif 110 111 #ifdef CONFIG_PM 112 int omap_gem_resume(struct device *dev); 113 #endif 114 115 int omap_irq_enable_vblank(struct drm_device *dev, unsigned int pipe); 116 void omap_irq_disable_vblank(struct drm_device *dev, unsigned int pipe); 117 void omap_drm_irq_uninstall(struct drm_device *dev); 118 int omap_drm_irq_install(struct drm_device *dev); 119 120 #ifdef CONFIG_DRM_FBDEV_EMULATION 121 struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev); 122 void omap_fbdev_free(struct drm_device *dev); 123 #else 124 static inline struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev) 125 { 126 return NULL; 127 } 128 static inline void omap_fbdev_free(struct drm_device *dev) 129 { 130 } 131 #endif 132 133 struct videomode *omap_crtc_timings(struct drm_crtc *crtc); 134 enum omap_channel omap_crtc_channel(struct drm_crtc *crtc); 135 void omap_crtc_pre_init(void); 136 void omap_crtc_pre_uninit(void); 137 struct drm_crtc *omap_crtc_init(struct drm_device *dev, 138 struct drm_plane *plane, enum omap_channel channel, int id); 139 int omap_crtc_wait_pending(struct drm_crtc *crtc); 140 void omap_crtc_error_irq(struct drm_crtc *crtc, uint32_t irqstatus); 141 void omap_crtc_vblank_irq(struct drm_crtc *crtc); 142 143 struct drm_plane *omap_plane_init(struct drm_device *dev, 144 int id, enum drm_plane_type type, 145 u32 possible_crtcs); 146 void omap_plane_install_properties(struct drm_plane *plane, 147 struct drm_mode_object *obj); 148 149 struct drm_encoder *omap_encoder_init(struct drm_device *dev, 150 struct omap_dss_device *dssdev); 151 152 struct drm_connector *omap_connector_init(struct drm_device *dev, 153 int connector_type, struct omap_dss_device *dssdev, 154 struct drm_encoder *encoder); 155 struct drm_encoder *omap_connector_attached_encoder( 156 struct drm_connector *connector); 157 bool omap_connector_get_hdmi_mode(struct drm_connector *connector); 158 159 uint32_t omap_framebuffer_get_formats(uint32_t *pixel_formats, 160 uint32_t max_formats, enum omap_color_mode supported_modes); 161 struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev, 162 struct drm_file *file, const struct drm_mode_fb_cmd2 *mode_cmd); 163 struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev, 164 const struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos); 165 int omap_framebuffer_pin(struct drm_framebuffer *fb); 166 void omap_framebuffer_unpin(struct drm_framebuffer *fb); 167 void omap_framebuffer_update_scanout(struct drm_framebuffer *fb, 168 struct omap_drm_window *win, struct omap_overlay_info *info); 169 struct drm_connector *omap_framebuffer_get_next_connector( 170 struct drm_framebuffer *fb, struct drm_connector *from); 171 bool omap_framebuffer_supports_rotation(struct drm_framebuffer *fb); 172 173 void omap_gem_init(struct drm_device *dev); 174 void omap_gem_deinit(struct drm_device *dev); 175 176 struct drm_gem_object *omap_gem_new(struct drm_device *dev, 177 union omap_gem_size gsize, uint32_t flags); 178 struct drm_gem_object *omap_gem_new_dmabuf(struct drm_device *dev, size_t size, 179 struct sg_table *sgt); 180 int omap_gem_new_handle(struct drm_device *dev, struct drm_file *file, 181 union omap_gem_size gsize, uint32_t flags, uint32_t *handle); 182 void omap_gem_free_object(struct drm_gem_object *obj); 183 void *omap_gem_vaddr(struct drm_gem_object *obj); 184 int omap_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev, 185 uint32_t handle, uint64_t *offset); 186 int omap_gem_dumb_create(struct drm_file *file, struct drm_device *dev, 187 struct drm_mode_create_dumb *args); 188 int omap_gem_mmap(struct file *filp, struct vm_area_struct *vma); 189 int omap_gem_mmap_obj(struct drm_gem_object *obj, 190 struct vm_area_struct *vma); 191 int omap_gem_fault(struct vm_fault *vmf); 192 int omap_gem_op_start(struct drm_gem_object *obj, enum omap_gem_op op); 193 int omap_gem_op_finish(struct drm_gem_object *obj, enum omap_gem_op op); 194 int omap_gem_op_sync(struct drm_gem_object *obj, enum omap_gem_op op); 195 int omap_gem_op_async(struct drm_gem_object *obj, enum omap_gem_op op, 196 void (*fxn)(void *arg), void *arg); 197 int omap_gem_roll(struct drm_gem_object *obj, uint32_t roll); 198 void omap_gem_cpu_sync(struct drm_gem_object *obj, int pgoff); 199 void omap_gem_dma_sync(struct drm_gem_object *obj, 200 enum dma_data_direction dir); 201 int omap_gem_get_paddr(struct drm_gem_object *obj, 202 dma_addr_t *paddr, bool remap); 203 void omap_gem_put_paddr(struct drm_gem_object *obj); 204 int omap_gem_get_pages(struct drm_gem_object *obj, struct page ***pages, 205 bool remap); 206 int omap_gem_put_pages(struct drm_gem_object *obj); 207 uint32_t omap_gem_flags(struct drm_gem_object *obj); 208 int omap_gem_rotated_paddr(struct drm_gem_object *obj, uint32_t orient, 209 int x, int y, dma_addr_t *paddr); 210 uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj); 211 size_t omap_gem_mmap_size(struct drm_gem_object *obj); 212 int omap_gem_tiled_stride(struct drm_gem_object *obj, uint32_t orient); 213 214 struct dma_buf *omap_gem_prime_export(struct drm_device *dev, 215 struct drm_gem_object *obj, int flags); 216 struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev, 217 struct dma_buf *buffer); 218 219 /* map crtc to vblank mask */ 220 struct omap_dss_device *omap_encoder_get_dssdev(struct drm_encoder *encoder); 221 222 #endif /* __OMAP_DRV_H__ */ 223