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 #define to_sti_plane(x) container_of(x, struct sti_plane, drm_plane) 15 16 #define STI_PLANE_TYPE_SHIFT 8 17 #define STI_PLANE_TYPE_MASK (~((1 << STI_PLANE_TYPE_SHIFT) - 1)) 18 19 enum sti_plane_type { 20 STI_GDP = 1 << STI_PLANE_TYPE_SHIFT, 21 STI_VDP = 2 << STI_PLANE_TYPE_SHIFT, 22 STI_CUR = 3 << STI_PLANE_TYPE_SHIFT, 23 STI_BCK = 4 << STI_PLANE_TYPE_SHIFT 24 }; 25 26 enum sti_plane_id_of_type { 27 STI_ID_0 = 0, 28 STI_ID_1 = 1, 29 STI_ID_2 = 2, 30 STI_ID_3 = 3 31 }; 32 33 enum sti_plane_desc { 34 STI_GDP_0 = STI_GDP | STI_ID_0, 35 STI_GDP_1 = STI_GDP | STI_ID_1, 36 STI_GDP_2 = STI_GDP | STI_ID_2, 37 STI_GDP_3 = STI_GDP | STI_ID_3, 38 STI_HQVDP_0 = STI_VDP | STI_ID_0, 39 STI_CURSOR = STI_CUR, 40 STI_BACK = STI_BCK 41 }; 42 43 enum sti_plane_status { 44 STI_PLANE_READY, 45 STI_PLANE_UPDATED, 46 STI_PLANE_DISABLING, 47 STI_PLANE_FLUSHING, 48 STI_PLANE_DISABLED, 49 }; 50 51 #define FPS_LENGTH 128 52 struct sti_fps_info { 53 bool output; 54 unsigned int curr_frame_counter; 55 unsigned int last_frame_counter; 56 unsigned int curr_field_counter; 57 unsigned int last_field_counter; 58 ktime_t last_timestamp; 59 char fps_str[FPS_LENGTH]; 60 char fips_str[FPS_LENGTH]; 61 }; 62 63 /** 64 * STI plane structure 65 * 66 * @plane: drm plane it is bound to (if any) 67 * @desc: plane type & id 68 * @status: to know the status of the plane 69 * @fps_info: frame per second info 70 */ 71 struct sti_plane { 72 struct drm_plane drm_plane; 73 enum sti_plane_desc desc; 74 enum sti_plane_status status; 75 struct sti_fps_info fps_info; 76 }; 77 78 const char *sti_plane_to_str(struct sti_plane *plane); 79 void sti_plane_update_fps(struct sti_plane *plane, 80 bool new_frame, 81 bool new_field); 82 83 void sti_plane_init_property(struct sti_plane *plane, 84 enum drm_plane_type type); 85 void sti_plane_reset(struct drm_plane *plane); 86 #endif 87