1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * vsp1.h -- R-Car VSP1 Driver 4 * 5 * Copyright (C) 2013-2014 Renesas Electronics Corporation 6 * 7 * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) 8 */ 9 #ifndef __VSP1_H__ 10 #define __VSP1_H__ 11 12 #include <linux/io.h> 13 #include <linux/list.h> 14 #include <linux/mutex.h> 15 16 #include <media/media-device.h> 17 #include <media/v4l2-device.h> 18 #include <media/v4l2-subdev.h> 19 20 #include "vsp1_regs.h" 21 22 struct clk; 23 struct device; 24 struct rcar_fcp_device; 25 26 struct vsp1_drm; 27 struct vsp1_entity; 28 struct vsp1_platform_data; 29 struct vsp1_brx; 30 struct vsp1_clu; 31 struct vsp1_hgo; 32 struct vsp1_hgt; 33 struct vsp1_hsit; 34 struct vsp1_lif; 35 struct vsp1_lut; 36 struct vsp1_rwpf; 37 struct vsp1_sru; 38 struct vsp1_uds; 39 struct vsp1_uif; 40 41 #define VSP1_MAX_LIF 2 42 #define VSP1_MAX_RPF 5 43 #define VSP1_MAX_UDS 3 44 #define VSP1_MAX_UIF 2 45 #define VSP1_MAX_WPF 4 46 47 #define VSP1_HAS_LUT BIT(1) 48 #define VSP1_HAS_SRU BIT(2) 49 #define VSP1_HAS_BRU BIT(3) 50 #define VSP1_HAS_CLU BIT(4) 51 #define VSP1_HAS_WPF_VFLIP BIT(5) 52 #define VSP1_HAS_WPF_HFLIP BIT(6) 53 #define VSP1_HAS_HGO BIT(7) 54 #define VSP1_HAS_HGT BIT(8) 55 #define VSP1_HAS_BRS BIT(9) 56 #define VSP1_HAS_EXT_DL BIT(10) 57 58 struct vsp1_device_info { 59 u32 version; 60 const char *model; 61 unsigned int gen; 62 unsigned int features; 63 unsigned int lif_count; 64 unsigned int rpf_count; 65 unsigned int uds_count; 66 unsigned int uif_count; 67 unsigned int wpf_count; 68 unsigned int num_bru_inputs; 69 bool uapi; 70 }; 71 72 #define vsp1_feature(vsp1, f) ((vsp1)->info->features & (f)) 73 74 struct vsp1_device { 75 struct device *dev; 76 const struct vsp1_device_info *info; 77 u32 version; 78 79 void __iomem *mmio; 80 struct rcar_fcp_device *fcp; 81 struct device *bus_master; 82 83 struct vsp1_brx *brs; 84 struct vsp1_brx *bru; 85 struct vsp1_clu *clu; 86 struct vsp1_hgo *hgo; 87 struct vsp1_hgt *hgt; 88 struct vsp1_hsit *hsi; 89 struct vsp1_hsit *hst; 90 struct vsp1_lif *lif[VSP1_MAX_LIF]; 91 struct vsp1_lut *lut; 92 struct vsp1_rwpf *rpf[VSP1_MAX_RPF]; 93 struct vsp1_sru *sru; 94 struct vsp1_uds *uds[VSP1_MAX_UDS]; 95 struct vsp1_uif *uif[VSP1_MAX_UIF]; 96 struct vsp1_rwpf *wpf[VSP1_MAX_WPF]; 97 98 struct list_head entities; 99 struct list_head videos; 100 101 struct v4l2_device v4l2_dev; 102 struct media_device media_dev; 103 struct media_entity_operations media_ops; 104 105 struct vsp1_drm *drm; 106 }; 107 108 int vsp1_device_get(struct vsp1_device *vsp1); 109 void vsp1_device_put(struct vsp1_device *vsp1); 110 111 int vsp1_reset_wpf(struct vsp1_device *vsp1, unsigned int index); 112 113 static inline u32 vsp1_read(struct vsp1_device *vsp1, u32 reg) 114 { 115 return ioread32(vsp1->mmio + reg); 116 } 117 118 static inline void vsp1_write(struct vsp1_device *vsp1, u32 reg, u32 data) 119 { 120 iowrite32(data, vsp1->mmio + reg); 121 } 122 123 #endif /* __VSP1_H__ */ 124