| /* |
| * Copyright 2017-2018 NXP |
| * |
| * 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. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * for more details. |
| */ |
| |
| #ifndef __DPU_PLANE_H__ |
| #define __DPU_PLANE_H__ |
| |
| #include <video/dpu.h> |
| #include "imx-drm.h" |
| |
| #define MAX_DPU_PLANE_GRP (MAX_CRTC / 2) |
| |
| enum dpu_plane_src_type { |
| DPU_PLANE_SRC_FL, |
| DPU_PLANE_SRC_FW, |
| DPU_PLANE_SRC_FD, |
| }; |
| |
| struct dpu_plane { |
| struct drm_plane base; |
| struct dpu_plane_grp *grp; |
| struct list_head head; |
| unsigned int stream_id; |
| }; |
| |
| struct dpu_plane_state { |
| struct drm_plane_state base; |
| lb_prim_sel_t stage; |
| lb_sec_sel_t source; |
| dpu_block_id_t blend; |
| lb_prim_sel_t aux_stage; |
| lb_sec_sel_t aux_source; |
| dpu_block_id_t aux_blend; |
| unsigned int layer_x; |
| unsigned int layer_y; |
| unsigned int base_x; |
| unsigned int base_y; |
| unsigned int base_w; |
| unsigned int base_h; |
| |
| bool is_top; |
| bool use_prefetch; |
| bool use_aux_prefetch; |
| bool need_aux_source; |
| |
| /* used when pixel combiner is needed */ |
| unsigned int left_layer_x; |
| unsigned int left_base_x; |
| unsigned int left_base_w; |
| unsigned int left_src_w; |
| unsigned int left_crtc_w; |
| unsigned int right_layer_x; |
| unsigned int right_base_x; |
| unsigned int right_base_w; |
| unsigned int right_src_w; |
| unsigned int right_crtc_w; |
| |
| bool is_left_top; |
| bool is_right_top; |
| }; |
| |
| static const lb_prim_sel_t cf_stages[] = {LB_PRIM_SEL__CONSTFRAME0, |
| LB_PRIM_SEL__CONSTFRAME1}; |
| static const lb_prim_sel_t stages[] = {LB_PRIM_SEL__LAYERBLEND0, |
| LB_PRIM_SEL__LAYERBLEND1, |
| LB_PRIM_SEL__LAYERBLEND2, |
| LB_PRIM_SEL__LAYERBLEND3, |
| LB_PRIM_SEL__LAYERBLEND4, |
| LB_PRIM_SEL__LAYERBLEND5}; |
| /* FIXME: Correct the source entries for subsidiary layers. */ |
| static const lb_sec_sel_t sources[] = {LB_SEC_SEL__FETCHLAYER0, |
| LB_SEC_SEL__FETCHLAYER1, |
| LB_SEC_SEL__FETCHWARP2, |
| LB_SEC_SEL__FETCHDECODE0, |
| LB_SEC_SEL__FETCHDECODE1, |
| LB_SEC_SEL__FETCHDECODE2, |
| LB_SEC_SEL__FETCHDECODE3}; |
| static const dpu_block_id_t blends[] = {ID_LAYERBLEND0, ID_LAYERBLEND1, |
| ID_LAYERBLEND2, ID_LAYERBLEND3, |
| ID_LAYERBLEND4, ID_LAYERBLEND5}; |
| |
| static inline struct dpu_plane *to_dpu_plane(struct drm_plane *plane) |
| { |
| return container_of(plane, struct dpu_plane, base); |
| } |
| |
| static inline struct dpu_plane_state * |
| to_dpu_plane_state(struct drm_plane_state *plane_state) |
| { |
| return container_of(plane_state, struct dpu_plane_state, base); |
| } |
| |
| static inline int source_to_type(lb_sec_sel_t source) |
| { |
| switch (source) { |
| case LB_SEC_SEL__FETCHLAYER0: |
| case LB_SEC_SEL__FETCHLAYER1: |
| return DPU_PLANE_SRC_FL; |
| case LB_SEC_SEL__FETCHWARP2: |
| return DPU_PLANE_SRC_FW; |
| case LB_SEC_SEL__FETCHDECODE0: |
| case LB_SEC_SEL__FETCHDECODE1: |
| case LB_SEC_SEL__FETCHDECODE2: |
| case LB_SEC_SEL__FETCHDECODE3: |
| return DPU_PLANE_SRC_FD; |
| default: |
| break; |
| } |
| |
| WARN_ON(1); |
| return -EINVAL; |
| } |
| |
| static inline int source_to_id(lb_sec_sel_t source) |
| { |
| int i, offset = 0; |
| int type = source_to_type(source); |
| |
| for (i = 0; i < ARRAY_SIZE(sources); i++) { |
| if (source != sources[i]) |
| continue; |
| |
| /* FetchLayer */ |
| if (type == DPU_PLANE_SRC_FL) |
| return i; |
| |
| /* FetchWarp or FetchDecode */ |
| while (offset < ARRAY_SIZE(sources)) { |
| if (source_to_type(sources[offset]) == type) |
| break; |
| offset++; |
| } |
| return i - offset; |
| } |
| |
| WARN_ON(1); |
| return -EINVAL; |
| } |
| |
| static inline struct dpu_fetchunit * |
| source_to_fu(struct dpu_plane_res *res, lb_sec_sel_t source) |
| { |
| int fu_type = source_to_type(source); |
| int fu_id = source_to_id(source); |
| |
| if (fu_type < 0 || fu_id < 0) |
| return NULL; |
| |
| switch (fu_type) { |
| case DPU_PLANE_SRC_FD: |
| return res->fd[fu_id]; |
| case DPU_PLANE_SRC_FL: |
| return res->fl[fu_id]; |
| case DPU_PLANE_SRC_FW: |
| return res->fw[fu_id]; |
| } |
| |
| return NULL; |
| } |
| |
| static inline struct dpu_fetchunit * |
| dpstate_to_fu(struct dpu_plane_state *dpstate) |
| { |
| struct drm_plane *plane = dpstate->base.plane; |
| struct dpu_plane *dplane = to_dpu_plane(plane); |
| struct dpu_plane_res *res = &dplane->grp->res; |
| |
| return source_to_fu(res, dpstate->source); |
| } |
| |
| static inline int blend_to_id(dpu_block_id_t blend) |
| { |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(blends); i++) { |
| if (blend == blends[i]) |
| return i; |
| } |
| |
| WARN_ON(1); |
| return -EINVAL; |
| } |
| |
| static inline bool drm_format_is_yuv(uint32_t format) |
| { |
| switch (format) { |
| case DRM_FORMAT_YUYV: |
| case DRM_FORMAT_UYVY: |
| case DRM_FORMAT_NV12: |
| case DRM_FORMAT_NV21: |
| return true; |
| default: |
| break; |
| } |
| |
| return false; |
| } |
| |
| struct dpu_plane *dpu_plane_init(struct drm_device *drm, |
| unsigned int possible_crtcs, |
| unsigned int stream_id, |
| struct dpu_plane_grp *grp, |
| enum drm_plane_type type); |
| #endif |