1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved. 4 * Copyright (C) 2013 Red Hat 5 * Author: Rob Clark <robdclark@gmail.com> 6 */ 7 8 #ifndef __MSM_FORMAT_H__ 9 #define __MSM_FORMAT_H__ 10 11 #include "mdp_common.xml.h" 12 13 enum msm_format_flags { 14 MSM_FORMAT_FLAG_YUV_BIT, 15 MSM_FORMAT_FLAG_DX_BIT, 16 MSM_FORMAT_FLAG_COMPRESSED_BIT, 17 MSM_FORMAT_FLAG_UNPACK_TIGHT_BIT, 18 MSM_FORMAT_FLAG_UNPACK_ALIGN_MSB_BIT, 19 }; 20 21 #define MSM_FORMAT_FLAG_YUV BIT(MSM_FORMAT_FLAG_YUV_BIT) 22 #define MSM_FORMAT_FLAG_DX BIT(MSM_FORMAT_FLAG_DX_BIT) 23 #define MSM_FORMAT_FLAG_COMPRESSED BIT(MSM_FORMAT_FLAG_COMPRESSED_BIT) 24 #define MSM_FORMAT_FLAG_UNPACK_TIGHT BIT(MSM_FORMAT_FLAG_UNPACK_TIGHT_BIT) 25 #define MSM_FORMAT_FLAG_UNPACK_ALIGN_MSB BIT(MSM_FORMAT_FLAG_UNPACK_ALIGN_MSB_BIT) 26 27 /* 28 * DPU HW,Component order color map 29 */ 30 enum { 31 C0_G_Y = 0, 32 C1_B_Cb = 1, 33 C2_R_Cr = 2, 34 C3_ALPHA = 3 35 }; 36 37 /** 38 * struct msm_format: defines the format configuration 39 * @pixel_format: format fourcc 40 * @bpc_g_y: element bit widths: BPC for G or Y 41 * @bpc_b_cb: element bit widths: BPC for B or Cb 42 * @bpc_r_cr: element bit widths: BPC for R or Cr 43 * @bpc_a: element bit widths: BPC for the alpha channel 44 * @element: element color ordering 45 * @fetch_type: how the color components are packed in pixel format 46 * @chroma_sample: chroma sub-samplng type 47 * @alpha_enable: whether the format has an alpha channel 48 * @unpack_count: number of the components to unpack 49 * @bpp: bytes per pixel 50 * @flags: usage bit flags 51 * @num_planes: number of planes (including meta data planes) 52 * @fetch_mode: linear, tiled, or ubwc hw fetch behavior 53 * @tile_height: format tile height 54 */ 55 struct msm_format { 56 uint32_t pixel_format; 57 enum mdp_bpc bpc_g_y, bpc_b_cb, bpc_r_cr; 58 enum mdp_bpc_alpha bpc_a; 59 u8 element[4]; 60 enum mdp_fetch_type fetch_type; 61 enum mdp_chroma_samp_type chroma_sample; 62 bool alpha_enable; 63 u8 unpack_count; 64 u8 bpp; 65 unsigned long flags; 66 u8 num_planes; 67 enum mdp_fetch_mode fetch_mode; 68 u16 tile_height; 69 }; 70 71 #define MSM_FORMAT_IS_YUV(X) ((X)->flags & MSM_FORMAT_FLAG_YUV) 72 #define MSM_FORMAT_IS_DX(X) ((X)->flags & MSM_FORMAT_FLAG_DX) 73 #define MSM_FORMAT_IS_LINEAR(X) ((X)->fetch_mode == MDP_FETCH_LINEAR) 74 #define MSM_FORMAT_IS_TILE(X) \ 75 (((X)->fetch_mode == MDP_FETCH_UBWC) && \ 76 !((X)->flags & MSM_FORMAT_FLAG_COMPRESSED)) 77 #define MSM_FORMAT_IS_UBWC(X) \ 78 (((X)->fetch_mode == MDP_FETCH_UBWC) && \ 79 ((X)->flags & MSM_FORMAT_FLAG_COMPRESSED)) 80 81 #endif 82