1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright 2024 NXP 4 */ 5 6 #ifndef __DC_DRV_H__ 7 #define __DC_DRV_H__ 8 9 #include <linux/container_of.h> 10 #include <linux/ioport.h> 11 #include <linux/platform_device.h> 12 #include <linux/types.h> 13 14 #include <drm/drm_device.h> 15 #include <drm/drm_encoder.h> 16 17 #include "dc-de.h" 18 #include "dc-kms.h" 19 #include "dc-pe.h" 20 21 /** 22 * struct dc_drm_device - DC specific drm_device 23 */ 24 struct dc_drm_device { 25 /** @base: base drm_device structure */ 26 struct drm_device base; 27 /** @dc_crtc: DC specific CRTC list */ 28 struct dc_crtc dc_crtc[DC_DISPLAYS]; 29 /** @dc_primary: DC specific primary plane list */ 30 struct dc_plane dc_primary[DC_DISPLAYS]; 31 /** @encoder: encoder list */ 32 struct drm_encoder encoder[DC_DISPLAYS]; 33 /** @cf_safe: constframe list(safety stream) */ 34 struct dc_cf *cf_safe[DC_DISPLAYS]; 35 /** @cf_cont: constframe list(content stream) */ 36 struct dc_cf *cf_cont[DC_DISPLAYS]; 37 /** @de: display engine list */ 38 struct dc_de *de[DC_DISPLAYS]; 39 /** @ed_safe: extdst list(safety stream) */ 40 struct dc_ed *ed_safe[DC_DISPLAYS]; 41 /** @ed_cont: extdst list(content stream) */ 42 struct dc_ed *ed_cont[DC_DISPLAYS]; 43 /** @fg: framegen list */ 44 struct dc_fg *fg[DC_DISPLAYS]; 45 /** @fu_disp: fetchunit list(used by display engine) */ 46 struct dc_fu *fu_disp[DC_DISP_FU_CNT]; 47 /** @lb: layerblend list */ 48 struct dc_lb *lb[DC_LB_CNT]; 49 /** @pe: pixel engine */ 50 struct dc_pe *pe; 51 /** @tc: tcon list */ 52 struct dc_tc *tc[DC_DISPLAYS]; 53 }; 54 55 struct dc_subdev_info { 56 resource_size_t reg_start; 57 int id; 58 }; 59 60 static inline struct dc_drm_device *to_dc_drm_device(struct drm_device *drm) 61 { 62 return container_of(drm, struct dc_drm_device, base); 63 } 64 65 int dc_crtc_init(struct dc_drm_device *dc_drm, int crtc_index); 66 int dc_crtc_post_init(struct dc_drm_device *dc_drm, int crtc_index); 67 68 int dc_kms_init(struct dc_drm_device *dc_drm); 69 void dc_kms_uninit(struct dc_drm_device *dc_drm); 70 71 int dc_plane_init(struct dc_drm_device *dc_drm, struct dc_plane *dc_plane); 72 73 extern struct platform_driver dc_cf_driver; 74 extern struct platform_driver dc_de_driver; 75 extern struct platform_driver dc_ed_driver; 76 extern struct platform_driver dc_fg_driver; 77 extern struct platform_driver dc_fl_driver; 78 extern struct platform_driver dc_fw_driver; 79 extern struct platform_driver dc_ic_driver; 80 extern struct platform_driver dc_lb_driver; 81 extern struct platform_driver dc_pe_driver; 82 extern struct platform_driver dc_tc_driver; 83 84 static inline int dc_subdev_get_id(const struct dc_subdev_info *info, 85 int info_cnt, struct resource *res) 86 { 87 int i; 88 89 if (!res) 90 return -EINVAL; 91 92 for (i = 0; i < info_cnt; i++) 93 if (info[i].reg_start == res->start) 94 return info[i].id; 95 96 return -EINVAL; 97 } 98 99 void dc_de_post_bind(struct dc_drm_device *dc_drm); 100 void dc_pe_post_bind(struct dc_drm_device *dc_drm); 101 102 #endif /* __DC_DRV_H__ */ 103