diff options
Diffstat (limited to 'drivers/media/video/s5p-g2d/g2d.h')
| -rw-r--r-- | drivers/media/video/s5p-g2d/g2d.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/drivers/media/video/s5p-g2d/g2d.h b/drivers/media/video/s5p-g2d/g2d.h new file mode 100644 index 000000000000..1b82065aeaef --- /dev/null +++ b/drivers/media/video/s5p-g2d/g2d.h @@ -0,0 +1,87 @@ +/* + * Samsung S5P G2D - 2D Graphics Accelerator Driver + * + * Copyright (c) 2011 Samsung Electronics Co., Ltd. + * Kamil Debski, <k.debski@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the + * License, or (at your option) any later version + */ + +#include <media/v4l2-device.h> +#include <media/v4l2-ctrls.h> + +#define G2D_NAME "s5p-g2d" + +struct g2d_dev { + struct v4l2_device v4l2_dev; + struct v4l2_m2m_dev *m2m_dev; + struct video_device *vfd; + struct mutex mutex; + spinlock_t ctrl_lock; + atomic_t num_inst; + struct vb2_alloc_ctx *alloc_ctx; + struct resource *res_regs; + void __iomem *regs; + struct clk *clk; + struct clk *gate; + struct g2d_ctx *curr; + int irq; + wait_queue_head_t irq_queue; +}; + +struct g2d_frame { + /* Original dimensions */ + u32 width; + u32 height; + /* Crop size */ + u32 c_width; + u32 c_height; + /* Offset */ + u32 o_width; + u32 o_height; + /* Image format */ + struct g2d_fmt *fmt; + /* Variables that can calculated once and reused */ + u32 stride; + u32 bottom; + u32 right; + u32 size; +}; + +struct g2d_ctx { + struct v4l2_fh fh; + struct g2d_dev *dev; + struct v4l2_m2m_ctx *m2m_ctx; + struct g2d_frame in; + struct g2d_frame out; + struct v4l2_ctrl *ctrl_hflip; + struct v4l2_ctrl *ctrl_vflip; + struct v4l2_ctrl_handler ctrl_handler; + u32 rop; + u32 flip; +}; + +struct g2d_fmt { + char *name; + u32 fourcc; + int depth; + u32 hw; +}; + + +void g2d_reset(struct g2d_dev *d); +void g2d_set_src_size(struct g2d_dev *d, struct g2d_frame *f); +void g2d_set_src_addr(struct g2d_dev *d, dma_addr_t a); +void g2d_set_dst_size(struct g2d_dev *d, struct g2d_frame *f); +void g2d_set_dst_addr(struct g2d_dev *d, dma_addr_t a); +void g2d_start(struct g2d_dev *d); +void g2d_clear_int(struct g2d_dev *d); +void g2d_set_rop4(struct g2d_dev *d, u32 r); +void g2d_set_flip(struct g2d_dev *d, u32 r); +u32 g2d_cmd_stretch(u32 e); +void g2d_set_cmd(struct g2d_dev *d, u32 c); + + |