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