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Diffstat (limited to 'include/linux/compdev.h')
| -rw-r--r-- | include/linux/compdev.h | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/include/linux/compdev.h b/include/linux/compdev.h new file mode 100644 index 00000000000..83285c61b62 --- /dev/null +++ b/include/linux/compdev.h @@ -0,0 +1,154 @@ +/* + * Copyright (C) ST-Ericsson SA 2011 + * + * ST-Ericsson Display overlay compositer device driver + * + * Author: Anders Bauer <anders.bauer@stericsson.com> + * for ST-Ericsson. + * + * Modified: Per-Daniel Olsson <per-daniel.olsson@stericsson.com> + * for ST-Ericsson. + * + * License terms: GNU General Public License (GPL), version 2. + */ + +#ifndef _COMPDEV_H_ +#define _COMPDEV_H_ + +#if !defined(__KERNEL__) && !defined(_KERNEL) +#include <stdint.h> +#else +#include <linux/types.h> +#include <video/mcde.h> +#endif + +#if defined(__KERNEL__) || defined(_KERNEL) +#include <linux/mm_types.h> +#include <linux/bitops.h> +#else +#define BIT(nr) (1UL << (nr)) +#endif + +#define COMPDEV_DEFAULT_DEVICE_PREFIX "comp" + + +enum compdev_fmt { + COMPDEV_FMT_RGB565, + COMPDEV_FMT_RGB888, + COMPDEV_FMT_RGBX8888, + COMPDEV_FMT_RGBA8888, + COMPDEV_FMT_YUV422, + COMPDEV_FMT_YCBCR42XMBN, + COMPDEV_FMT_YUV420_SP, + COMPDEV_FMT_YVU420_SP, + COMPDEV_FMT_YUV420_P, +}; + +struct compdev_size { + __u16 width; + __u16 height; +}; + +/* Display rotation */ +enum compdev_rotation { + COMPDEV_ROT_0 = 0, + COMPDEV_ROT_90_CCW = 90, + COMPDEV_ROT_180 = 180, + COMPDEV_ROT_270_CCW = 270, + COMPDEV_ROT_90_CW = COMPDEV_ROT_270_CCW, + COMPDEV_ROT_270_CW = COMPDEV_ROT_90_CCW, +}; + +enum compdev_flag { + COMPDEV_NO_FLAG = 0x00, + COMPDEV_OVERLAY_FLAG = 0x01, + COMPDEV_FRAMEBUFFER_FLAG = 0x02, + COMPDEV_BYPASS_FLAG = 0x04, + COMPDEV_EXTERNAL_DISP_FLAG = 0x08, + COMPDEV_PROTECTED_FLAG = 0x0F, +}; + +enum compdev_ptr_type { + COMPDEV_PTR_PHYSICAL, + COMPDEV_PTR_HWMEM_BUF_NAME_OFFSET, +}; + +enum compdev_listener_state { + COMPDEV_LISTENER_OFF, + COMPDEV_LISTENER_ON, +}; + + +struct compdev_rect { + __s16 x; + __s16 y; + __u16 width; + __u16 height; +}; + +struct compdev_buf { + enum compdev_ptr_type type; + __s32 hwmem_buf_name; + __s32 fd; + __u32 offset; + __u32 len; +}; + +struct compdev_img { + enum compdev_fmt fmt; + struct compdev_buf buf; + __u16 width; + __u16 height; + __u16 pitch; + __u8 z_position; + struct compdev_rect dst_rect; + struct compdev_rect src_rect; + enum compdev_rotation rotation; + __u32 flags; +}; + +struct compdev_scene_info { + enum compdev_rotation ovly_rotation; + enum compdev_rotation fb_rotation; + __u8 img_count; +}; + + +#define COMPDEV_GET_SIZE_IOC _IOR('D', 1, struct compdev_size) +#define COMPDEV_POST_BUFFER_IOC _IOW('D', 2, struct compdev_img) +#define COMPDEV_POST_SCENE_INFO_IOC _IOW('D', 3, struct compdev_scene_info) +#define COMPDEV_GET_LISTENER_STATE_IOC _IOR('D', 4, enum compdev_listener_state) + + +#if defined(__KERNEL__) || defined(_KERNEL) + +#define MAX_NBR_OF_COMPDEVS 2 + +struct compdev; +typedef void (*post_buffer_callback)(void *data, struct compdev_img *img); +typedef void (*post_scene_info_callback)(void *data, + struct compdev_scene_info *s_info); + + +int compdev_create(struct mcde_display_device *ddev, + struct mcde_overlay *parent_ovly, + bool mcde_rotation); +void compdev_destroy(struct mcde_display_device *ddev); + +int compdev_get(int dev_idx, struct compdev **dev); +int compdev_put(struct compdev *dev); +int compdev_get_size(struct compdev *dev, struct compdev_size *size); +int compdev_post_buffer(struct compdev *dev, struct compdev_img *img); +int compdev_post_scene_info(struct compdev *dev, + struct compdev_scene_info *s_info); +int compdev_get_listener_state(struct compdev *dev, + enum compdev_listener_state *listener_state); + +int compdev_register_listener_callbacks(struct compdev *dev, void *data, + post_buffer_callback pb_cb, post_scene_info_callback si_cb); +int compdev_deregister_callbacks(struct compdev *dev); + +#endif /* __KERNEL__ */ + +#endif /* _COMPDEV_H_ */ + |