diff options
| author | Kamil Debski <k.debski@samsung.com> | 2011-10-06 16:32:12 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-11-08 13:11:16 +0100 |
| commit | 918847341af0f5f1907fc0b52549f0dc29192c03 (patch) | |
| tree | 1d083b6a97721ea71913ac1a16237cf5a1601c6b /drivers/media/video/s5p-g2d/g2d.h | |
| parent | [media] tda18271: add tda18271_get_if_frequency (diff) | |
| download | linux-918847341af0f5f1907fc0b52549f0dc29192c03.tar.xz linux-918847341af0f5f1907fc0b52549f0dc29192c03.zip | |
[media] v4l: add G2D driver for s5p device family
G2D is a 2D graphics accelerator engine present in the s5p family
of Samsung SoCs. It is capable of bitblt and raster operations on
images having dimensions of up to 8000x8000.
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/s5p-g2d/g2d.h')
| -rw-r--r-- | drivers/media/video/s5p-g2d/g2d.h | 83 |
1 files changed, 83 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..5eae90107bf8 --- /dev/null +++ b/drivers/media/video/s5p-g2d/g2d.h @@ -0,0 +1,83 @@ +/* + * 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 irqlock; + 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_handler ctrl_handler; + u32 rop; +}; + +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); +u32 g2d_cmd_stretch(u32 e); +void g2d_set_cmd(struct g2d_dev *d, u32 c); + + |