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_hsit; 36 struct vsp1_lif; 37 struct vsp1_lut; 38 struct vsp1_rwpf; 39 struct vsp1_sru; 40 struct vsp1_uds; 41 42 #define VSP1_MAX_RPF 5 43 #define VSP1_MAX_UDS 3 44 #define VSP1_MAX_WPF 4 45 46 #define VSP1_HAS_LIF (1 << 0) 47 #define VSP1_HAS_LUT (1 << 1) 48 #define VSP1_HAS_SRU (1 << 2) 49 #define VSP1_HAS_BRU (1 << 3) 50 #define VSP1_HAS_CLU (1 << 4) 51 #define VSP1_HAS_WPF_VFLIP (1 << 5) 52 #define VSP1_HAS_WPF_HFLIP (1 << 6) 53 54 struct vsp1_device_info { 55 u32 version; 56 const char *model; 57 unsigned int gen; 58 unsigned int features; 59 unsigned int rpf_count; 60 unsigned int uds_count; 61 unsigned int wpf_count; 62 unsigned int num_bru_inputs; 63 bool uapi; 64 }; 65 66 struct vsp1_device { 67 struct device *dev; 68 const struct vsp1_device_info *info; 69 u32 version; 70 71 void __iomem *mmio; 72 struct rcar_fcp_device *fcp; 73 74 struct vsp1_bru *bru; 75 struct vsp1_clu *clu; 76 struct vsp1_hsit *hsi; 77 struct vsp1_hsit *hst; 78 struct vsp1_lif *lif; 79 struct vsp1_lut *lut; 80 struct vsp1_rwpf *rpf[VSP1_MAX_RPF]; 81 struct vsp1_sru *sru; 82 struct vsp1_uds *uds[VSP1_MAX_UDS]; 83 struct vsp1_rwpf *wpf[VSP1_MAX_WPF]; 84 85 struct list_head entities; 86 struct list_head videos; 87 88 struct v4l2_device v4l2_dev; 89 struct media_device media_dev; 90 struct media_entity_operations media_ops; 91 92 struct vsp1_drm *drm; 93 }; 94 95 int vsp1_device_get(struct vsp1_device *vsp1); 96 void vsp1_device_put(struct vsp1_device *vsp1); 97 98 int vsp1_reset_wpf(struct vsp1_device *vsp1, unsigned int index); 99 vsp1_read(struct vsp1_device * vsp1,u32 reg)100static inline u32 vsp1_read(struct vsp1_device *vsp1, u32 reg) 101 { 102 return ioread32(vsp1->mmio + reg); 103 } 104 vsp1_write(struct vsp1_device * vsp1,u32 reg,u32 data)105static inline void vsp1_write(struct vsp1_device *vsp1, u32 reg, u32 data) 106 { 107 iowrite32(data, vsp1->mmio + reg); 108 } 109 110 #endif /* __VSP1_H__ */ 111