1 /* 2 * Copyright (C) STMicroelectronics SA 2014 3 * Author: Benjamin Gaignard <benjamin.gaignard@st.com> for STMicroelectronics. 4 * License terms: GNU General Public License (GPL), version 2 5 */ 6 7 #ifndef _STI_PLANE_H_ 8 #define _STI_PLANE_H_ 9 10 #include <drm/drmP.h> 11 #include <drm/drm_atomic_helper.h> 12 #include <drm/drm_plane_helper.h> 13 14 extern struct drm_plane_funcs sti_plane_helpers_funcs; 15 16 #define to_sti_plane(x) container_of(x, struct sti_plane, drm_plane) 17 18 #define STI_PLANE_TYPE_SHIFT 8 19 #define STI_PLANE_TYPE_MASK (~((1 << STI_PLANE_TYPE_SHIFT) - 1)) 20 21 enum sti_plane_type { 22 STI_GDP = 1 << STI_PLANE_TYPE_SHIFT, 23 STI_VDP = 2 << STI_PLANE_TYPE_SHIFT, 24 STI_CUR = 3 << STI_PLANE_TYPE_SHIFT, 25 STI_BCK = 4 << STI_PLANE_TYPE_SHIFT 26 }; 27 28 enum sti_plane_id_of_type { 29 STI_ID_0 = 0, 30 STI_ID_1 = 1, 31 STI_ID_2 = 2, 32 STI_ID_3 = 3 33 }; 34 35 enum sti_plane_desc { 36 STI_GDP_0 = STI_GDP | STI_ID_0, 37 STI_GDP_1 = STI_GDP | STI_ID_1, 38 STI_GDP_2 = STI_GDP | STI_ID_2, 39 STI_GDP_3 = STI_GDP | STI_ID_3, 40 STI_HQVDP_0 = STI_VDP | STI_ID_0, 41 STI_CURSOR = STI_CUR, 42 STI_BACK = STI_BCK 43 }; 44 45 enum sti_plane_status { 46 STI_PLANE_READY, 47 STI_PLANE_UPDATED, 48 STI_PLANE_DISABLING, 49 STI_PLANE_FLUSHING, 50 STI_PLANE_DISABLED, 51 }; 52 53 #define FPS_LENGTH 64 54 struct sti_fps_info { 55 bool output; 56 unsigned int curr_frame_counter; 57 unsigned int last_frame_counter; 58 unsigned int curr_field_counter; 59 unsigned int last_field_counter; 60 struct timespec last_timestamp; 61 char fps_str[FPS_LENGTH]; 62 char fips_str[FPS_LENGTH]; 63 }; 64 65 /** 66 * STI plane structure 67 * 68 * @plane: drm plane it is bound to (if any) 69 * @desc: plane type & id 70 * @status: to know the status of the plane 71 * @zorder: plane z-order 72 * @fps_info: frame per second info 73 */ 74 struct sti_plane { 75 struct drm_plane drm_plane; 76 enum sti_plane_desc desc; 77 enum sti_plane_status status; 78 int zorder; 79 struct sti_fps_info fps_info; 80 }; 81 82 const char *sti_plane_to_str(struct sti_plane *plane); 83 void sti_plane_update_fps(struct sti_plane *plane, 84 bool new_frame, 85 bool new_field); 86 void sti_plane_init_property(struct sti_plane *plane, 87 enum drm_plane_type type); 88 #endif 89