1 /* 2 * vsp1.h -- R-Car VSP1 Driver 3 * 4 * Copyright (C) 2013-2014 Renesas Electronics Corporation 5 * 6 * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 */ 13 #ifndef __VSP1_H__ 14 #define __VSP1_H__ 15 16 #include <linux/io.h> 17 #include <linux/list.h> 18 #include <linux/mutex.h> 19 20 #include <media/media-device.h> 21 #include <media/v4l2-device.h> 22 #include <media/v4l2-subdev.h> 23 24 #include "vsp1_regs.h" 25 26 struct clk; 27 struct device; 28 struct rcar_fcp_device; 29 30 struct vsp1_drm; 31 struct vsp1_entity; 32 struct vsp1_platform_data; 33 struct vsp1_bru; 34 struct vsp1_clu; 35 struct vsp1_hgo; 36 struct vsp1_hgt; 37 struct vsp1_hsit; 38 struct vsp1_lif; 39 struct vsp1_lut; 40 struct vsp1_rwpf; 41 struct vsp1_sru; 42 struct vsp1_uds; 43 44 #define VSP1_MAX_LIF 2 45 #define VSP1_MAX_RPF 5 46 #define VSP1_MAX_UDS 3 47 #define VSP1_MAX_WPF 4 48 49 #define VSP1_HAS_LUT (1 << 1) 50 #define VSP1_HAS_SRU (1 << 2) 51 #define VSP1_HAS_BRU (1 << 3) 52 #define VSP1_HAS_CLU (1 << 4) 53 #define VSP1_HAS_WPF_VFLIP (1 << 5) 54 #define VSP1_HAS_WPF_HFLIP (1 << 6) 55 #define VSP1_HAS_HGO (1 << 7) 56 #define VSP1_HAS_HGT (1 << 8) 57 #define VSP1_HAS_BRS (1 << 9) 58 59 struct vsp1_device_info { 60 u32 version; 61 const char *model; 62 unsigned int gen; 63 unsigned int features; 64 unsigned int lif_count; 65 unsigned int rpf_count; 66 unsigned int uds_count; 67 unsigned int wpf_count; 68 unsigned int num_bru_inputs; 69 bool uapi; 70 }; 71 72 struct vsp1_device { 73 struct device *dev; 74 const struct vsp1_device_info *info; 75 u32 version; 76 77 void __iomem *mmio; 78 struct rcar_fcp_device *fcp; 79 struct device *bus_master; 80 81 struct vsp1_bru *brs; 82 struct vsp1_bru *bru; 83 struct vsp1_clu *clu; 84 struct vsp1_hgo *hgo; 85 struct vsp1_hgt *hgt; 86 struct vsp1_hsit *hsi; 87 struct vsp1_hsit *hst; 88 struct vsp1_lif *lif[VSP1_MAX_LIF]; 89 struct vsp1_lut *lut; 90 struct vsp1_rwpf *rpf[VSP1_MAX_RPF]; 91 struct vsp1_sru *sru; 92 struct vsp1_uds *uds[VSP1_MAX_UDS]; 93 struct vsp1_rwpf *wpf[VSP1_MAX_WPF]; 94 95 struct list_head entities; 96 struct list_head videos; 97 98 struct v4l2_device v4l2_dev; 99 struct media_device media_dev; 100 struct media_entity_operations media_ops; 101 102 struct vsp1_drm *drm; 103 }; 104 105 int vsp1_device_get(struct vsp1_device *vsp1); 106 void vsp1_device_put(struct vsp1_device *vsp1); 107 108 int vsp1_reset_wpf(struct vsp1_device *vsp1, unsigned int index); 109 vsp1_read(struct vsp1_device * vsp1,u32 reg)110static inline u32 vsp1_read(struct vsp1_device *vsp1, u32 reg) 111 { 112 return ioread32(vsp1->mmio + reg); 113 } 114 vsp1_write(struct vsp1_device * vsp1,u32 reg,u32 data)115static inline void vsp1_write(struct vsp1_device *vsp1, u32 reg, u32 data) 116 { 117 iowrite32(data, vsp1->mmio + reg); 118 } 119 120 #endif /* __VSP1_H__ */ 121