diff options
Diffstat (limited to 'drivers/gpu/pvr/display/omap_display.h')
| -rw-r--r-- | drivers/gpu/pvr/display/omap_display.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/drivers/gpu/pvr/display/omap_display.h b/drivers/gpu/pvr/display/omap_display.h new file mode 100644 index 0000000..8076f88 --- /dev/null +++ b/drivers/gpu/pvr/display/omap_display.h @@ -0,0 +1,108 @@ +/* + * drivers/gpu/pvr/display/omap_display.h + * + * Copyright (C) 2010 Texas Instruments + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <plat/vrfb.h> +#include <plat/display.h> +#include <linux/completion.h> + +#ifndef __OMAP_DISPLAY_H_ +#define __OMAP_DISPLAY_H_ + +/* Max overlay managers for virtual display */ +#define OMAP_DISP_MAX_MANAGERS 2 +/* 3 for triple buffering, 4 for virtual display */ +#define OMAP_DISP_MAX_FLIPCHAIN_BUFFERS 4 +#define OMAP_DISP_NUM_DISPLAYS 4 /* lcd, 2lcd, tv, virtual */ + +struct omap_display_device; + +/* On OMAP 4 we can only manage 3 displays at the same time + virtual */ +enum omap_display_id { + OMAP_DISPID_PRIMARY = 1 << 0, + OMAP_DISPID_SECONDARY = 1 << 1, + OMAP_DISPID_TERTIARY = 1 << 2, + OMAP_DISPID_VIRTUAL = 1 << 15, /* Multiple displays */ + OMAP_DISPID_BADSTATE = 1 << 30, /* Used to say a display is unusable*/ +}; + +enum omap_display_pixel_format { + RGB_565 = 0, + ARGB_8888 = 1, +}; + +/* Primary display location for virtual display */ +enum omap_display_feature { + ORIENTATION_VERTICAL = 1 << 0, + ORIENTATION_HORIZONTAL = 1 << 1, + ORIENTATION_INVERT = 1 << 2, +}; + +struct omap_display_buffer { + unsigned long physical_addr; + unsigned long virtual_addr; + unsigned long size; + struct omap_display_device *display; +}; + +struct omap_display_flip_chain { + int buffer_count; + struct omap_display_buffer *buffers[OMAP_DISP_MAX_FLIPCHAIN_BUFFERS]; + struct omap_display_device *display; +}; + +struct omap_display_sync_item { + struct work_struct work; + struct omap_display_buffer *buffer; +}; + +struct omap_display_device { + char *name; + enum omap_display_id id; + enum omap_display_pixel_format pixel_format; + enum omap_display_feature features; + unsigned int width; + unsigned int height; + unsigned int bits_per_pixel; + unsigned int bytes_per_pixel; + unsigned int byte_stride; + enum omap_dss_rotation_angle rotation; + unsigned int reference_count; + unsigned int buffers_available; + struct omap_display_buffer *main_buffer; + struct omap_display_flip_chain *flip_chain; + struct omap_overlay_manager *overlay_managers[OMAP_DISP_MAX_MANAGERS]; + unsigned int overlay_managers_count; + int (*open)(struct omap_display_device *display, + enum omap_display_feature features); + int (*close) (struct omap_display_device *display); + int (*create_flip_chain) (struct omap_display_device *display, + unsigned int buffer_count); + int (*destroy_flip_chain) (struct omap_display_device *display); + int (*rotate) (struct omap_display_device *display, + enum omap_dss_rotation_angle rotation); + int (*present_buffer) (struct omap_display_buffer *buffer); + int (*sync) (struct omap_display_device *display); + int (*present_buffer_sync) (struct omap_display_buffer *buffer); +}; + +int omap_display_initialize(void); +int omap_display_deinitialize(void); +int omap_display_count(void); +struct omap_display_device *omap_display_get(enum omap_display_id id); + +#endif |