diff options
Diffstat (limited to 'drivers/gpu/drm/msm/disp/mdp_format.h')
| -rw-r--r-- | drivers/gpu/drm/msm/disp/mdp_format.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/disp/mdp_format.h b/drivers/gpu/drm/msm/disp/mdp_format.h new file mode 100644 index 000000000000..a00d646ff4d4 --- /dev/null +++ b/drivers/gpu/drm/msm/disp/mdp_format.h @@ -0,0 +1,77 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved. + * Copyright (C) 2013 Red Hat + * Author: Rob Clark <robdclark@gmail.com> + */ + +#ifndef __MSM_FORMAT_H__ +#define __MSM_FORMAT_H__ + +#include "mdp_common.xml.h" + +enum msm_format_flags { + MSM_FORMAT_FLAG_YUV_BIT, + MSM_FORMAT_FLAG_DX_BIT, + MSM_FORMAT_FLAG_COMPRESSED_BIT, + MSM_FORMAT_FLAG_UNPACK_TIGHT_BIT, + MSM_FORMAT_FLAG_UNPACK_ALIGN_MSB_BIT, +}; + +#define MSM_FORMAT_FLAG_YUV BIT(MSM_FORMAT_FLAG_YUV_BIT) +#define MSM_FORMAT_FLAG_DX BIT(MSM_FORMAT_FLAG_DX_BIT) +#define MSM_FORMAT_FLAG_COMPRESSED BIT(MSM_FORMAT_FLAG_COMPRESSED_BIT) +#define MSM_FORMAT_FLAG_UNPACK_TIGHT BIT(MSM_FORMAT_FLAG_UNPACK_TIGHT_BIT) +#define MSM_FORMAT_FLAG_UNPACK_ALIGN_MSB BIT(MSM_FORMAT_FLAG_UNPACK_ALIGN_MSB_BIT) + +/** + * DPU HW,Component order color map + */ +enum { + C0_G_Y = 0, + C1_B_Cb = 1, + C2_R_Cr = 2, + C3_ALPHA = 3 +}; + +/** + * struct msm_format: defines the format configuration + * @pixel_format: format fourcc + * @element: element color ordering + * @fetch_type: how the color components are packed in pixel format + * @chroma_sample: chroma sub-samplng type + * @alpha_enable: whether the format has an alpha channel + * @unpack_count: number of the components to unpack + * @bpp: bytes per pixel + * @flags: usage bit flags + * @num_planes: number of planes (including meta data planes) + * @fetch_mode: linear, tiled, or ubwc hw fetch behavior + * @tile_height: format tile height + */ +struct msm_format { + uint32_t pixel_format; + enum mdp_bpc bpc_g_y, bpc_b_cb, bpc_r_cr; + enum mdp_bpc_alpha bpc_a; + u8 element[4]; + enum mdp_fetch_type fetch_type; + enum mdp_chroma_samp_type chroma_sample; + bool alpha_enable; + u8 unpack_count; + u8 bpp; + unsigned long flags; + u8 num_planes; + enum mdp_fetch_mode fetch_mode; + u16 tile_height; +}; + +#define MSM_FORMAT_IS_YUV(X) ((X)->flags & MSM_FORMAT_FLAG_YUV) +#define MSM_FORMAT_IS_DX(X) ((X)->flags & MSM_FORMAT_FLAG_DX) +#define MSM_FORMAT_IS_LINEAR(X) ((X)->fetch_mode == MDP_FETCH_LINEAR) +#define MSM_FORMAT_IS_TILE(X) \ + (((X)->fetch_mode == MDP_FETCH_UBWC) && \ + !((X)->flags & MSM_FORMAT_FLAG_COMPRESSED)) +#define MSM_FORMAT_IS_UBWC(X) \ + (((X)->fetch_mode == MDP_FETCH_UBWC) && \ + ((X)->flags & MSM_FORMAT_FLAG_COMPRESSED)) + +#endif |