1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (C) STMicroelectronics SA 2014 4 * Author: Benjamin Gaignard <benjamin.gaignard@st.com> for STMicroelectronics. 5 */ 6 7 #ifndef _STI_PLANE_H_ 8 #define _STI_PLANE_H_ 9 10 #include <drm/drm_atomic_helper.h> 11 #include <drm/drm_plane_helper.h> 12 13 #define to_sti_plane(x) container_of(x, struct sti_plane, drm_plane) 14 15 #define STI_PLANE_TYPE_SHIFT 8 16 #define STI_PLANE_TYPE_MASK (~((1 << STI_PLANE_TYPE_SHIFT) - 1)) 17 18 enum sti_plane_type { 19 STI_GDP = 1 << STI_PLANE_TYPE_SHIFT, 20 STI_VDP = 2 << STI_PLANE_TYPE_SHIFT, 21 STI_CUR = 3 << STI_PLANE_TYPE_SHIFT, 22 STI_BCK = 4 << STI_PLANE_TYPE_SHIFT 23 }; 24 25 enum sti_plane_id_of_type { 26 STI_ID_0 = 0, 27 STI_ID_1 = 1, 28 STI_ID_2 = 2, 29 STI_ID_3 = 3 30 }; 31 32 enum sti_plane_desc { 33 STI_GDP_0 = STI_GDP | STI_ID_0, 34 STI_GDP_1 = STI_GDP | STI_ID_1, 35 STI_GDP_2 = STI_GDP | STI_ID_2, 36 STI_GDP_3 = STI_GDP | STI_ID_3, 37 STI_HQVDP_0 = STI_VDP | STI_ID_0, 38 STI_CURSOR = STI_CUR, 39 STI_BACK = STI_BCK 40 }; 41 42 enum sti_plane_status { 43 STI_PLANE_READY, 44 STI_PLANE_UPDATED, 45 STI_PLANE_DISABLING, 46 STI_PLANE_FLUSHING, 47 STI_PLANE_DISABLED, 48 }; 49 50 #define FPS_LENGTH 128 51 struct sti_fps_info { 52 bool output; 53 unsigned int curr_frame_counter; 54 unsigned int last_frame_counter; 55 unsigned int curr_field_counter; 56 unsigned int last_field_counter; 57 ktime_t last_timestamp; 58 char fps_str[FPS_LENGTH]; 59 char fips_str[FPS_LENGTH]; 60 }; 61 62 /** 63 * STI plane structure 64 * 65 * @plane: drm plane it is bound to (if any) 66 * @desc: plane type & id 67 * @status: to know the status of the plane 68 * @fps_info: frame per second info 69 */ 70 struct sti_plane { 71 struct drm_plane drm_plane; 72 enum sti_plane_desc desc; 73 enum sti_plane_status status; 74 struct sti_fps_info fps_info; 75 }; 76 77 const char *sti_plane_to_str(struct sti_plane *plane); 78 void sti_plane_update_fps(struct sti_plane *plane, 79 bool new_frame, 80 bool new_field); 81 82 void sti_plane_init_property(struct sti_plane *plane, 83 enum drm_plane_type type); 84 void sti_plane_reset(struct drm_plane *plane); 85 #endif 86