forked from Minki/linux
cbb7fa49c7
Some VSP instances have two blending units named BRU (Blend/ROP Unit) and BRS (Blend/ROP Sub unit). The BRS is a smaller version of the BRU with only two inputs, but otherwise offers similar features and offers the same register interface. The BRU and BRS can be used exchangeably in VSP pipelines (provided no more than two inputs are needed). Due to historical reasons, the VSP1 driver implements support for both the BRU and BRS through objects named vsp1_bru. The code uses the name BRU to refer to either the BRU or the BRS, except in a few places where noted explicitly. This creates confusion. In an effort to avoid confusion, rename the vsp1_bru object and the corresponding API to vsp1_brx, and use BRx to refer to blend unit instances regardless of their type. The names BRU and BRS are retained where reference to a particular blend unit type is needed, as well as in hardware registers to stay close to the datasheet. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
121 lines
2.6 KiB
C
121 lines
2.6 KiB
C
/*
|
|
* vsp1.h -- R-Car VSP1 Driver
|
|
*
|
|
* Copyright (C) 2013-2014 Renesas Electronics Corporation
|
|
*
|
|
* Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*/
|
|
#ifndef __VSP1_H__
|
|
#define __VSP1_H__
|
|
|
|
#include <linux/io.h>
|
|
#include <linux/list.h>
|
|
#include <linux/mutex.h>
|
|
|
|
#include <media/media-device.h>
|
|
#include <media/v4l2-device.h>
|
|
#include <media/v4l2-subdev.h>
|
|
|
|
#include "vsp1_regs.h"
|
|
|
|
struct clk;
|
|
struct device;
|
|
struct rcar_fcp_device;
|
|
|
|
struct vsp1_drm;
|
|
struct vsp1_entity;
|
|
struct vsp1_platform_data;
|
|
struct vsp1_brx;
|
|
struct vsp1_clu;
|
|
struct vsp1_hgo;
|
|
struct vsp1_hgt;
|
|
struct vsp1_hsit;
|
|
struct vsp1_lif;
|
|
struct vsp1_lut;
|
|
struct vsp1_rwpf;
|
|
struct vsp1_sru;
|
|
struct vsp1_uds;
|
|
|
|
#define VSP1_MAX_LIF 2
|
|
#define VSP1_MAX_RPF 5
|
|
#define VSP1_MAX_UDS 3
|
|
#define VSP1_MAX_WPF 4
|
|
|
|
#define VSP1_HAS_LUT (1 << 1)
|
|
#define VSP1_HAS_SRU (1 << 2)
|
|
#define VSP1_HAS_BRU (1 << 3)
|
|
#define VSP1_HAS_CLU (1 << 4)
|
|
#define VSP1_HAS_WPF_VFLIP (1 << 5)
|
|
#define VSP1_HAS_WPF_HFLIP (1 << 6)
|
|
#define VSP1_HAS_HGO (1 << 7)
|
|
#define VSP1_HAS_HGT (1 << 8)
|
|
#define VSP1_HAS_BRS (1 << 9)
|
|
|
|
struct vsp1_device_info {
|
|
u32 version;
|
|
const char *model;
|
|
unsigned int gen;
|
|
unsigned int features;
|
|
unsigned int lif_count;
|
|
unsigned int rpf_count;
|
|
unsigned int uds_count;
|
|
unsigned int wpf_count;
|
|
unsigned int num_bru_inputs;
|
|
bool uapi;
|
|
};
|
|
|
|
struct vsp1_device {
|
|
struct device *dev;
|
|
const struct vsp1_device_info *info;
|
|
u32 version;
|
|
|
|
void __iomem *mmio;
|
|
struct rcar_fcp_device *fcp;
|
|
struct device *bus_master;
|
|
|
|
struct vsp1_brx *brs;
|
|
struct vsp1_brx *bru;
|
|
struct vsp1_clu *clu;
|
|
struct vsp1_hgo *hgo;
|
|
struct vsp1_hgt *hgt;
|
|
struct vsp1_hsit *hsi;
|
|
struct vsp1_hsit *hst;
|
|
struct vsp1_lif *lif[VSP1_MAX_LIF];
|
|
struct vsp1_lut *lut;
|
|
struct vsp1_rwpf *rpf[VSP1_MAX_RPF];
|
|
struct vsp1_sru *sru;
|
|
struct vsp1_uds *uds[VSP1_MAX_UDS];
|
|
struct vsp1_rwpf *wpf[VSP1_MAX_WPF];
|
|
|
|
struct list_head entities;
|
|
struct list_head videos;
|
|
|
|
struct v4l2_device v4l2_dev;
|
|
struct media_device media_dev;
|
|
struct media_entity_operations media_ops;
|
|
|
|
struct vsp1_drm *drm;
|
|
};
|
|
|
|
int vsp1_device_get(struct vsp1_device *vsp1);
|
|
void vsp1_device_put(struct vsp1_device *vsp1);
|
|
|
|
int vsp1_reset_wpf(struct vsp1_device *vsp1, unsigned int index);
|
|
|
|
static inline u32 vsp1_read(struct vsp1_device *vsp1, u32 reg)
|
|
{
|
|
return ioread32(vsp1->mmio + reg);
|
|
}
|
|
|
|
static inline void vsp1_write(struct vsp1_device *vsp1, u32 reg, u32 data)
|
|
{
|
|
iowrite32(data, vsp1->mmio + reg);
|
|
}
|
|
|
|
#endif /* __VSP1_H__ */
|