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1// SPDX-License-Identifier: GPL-2.0 OR MIT2/* Copyright 2018-2019 Qiang Yu <yuq825@gmail.com> */3 4#include <linux/io.h>5#include <linux/device.h>6 7#include "lima_device.h"8#include "lima_dlbu.h"9#include "lima_vm.h"10#include "lima_regs.h"11 12#define dlbu_write(reg, data) writel(data, ip->iomem + reg)13#define dlbu_read(reg) readl(ip->iomem + reg)14 15void lima_dlbu_enable(struct lima_device *dev, int num_pp)16{17 struct lima_sched_pipe *pipe = dev->pipe + lima_pipe_pp;18 struct lima_ip *ip = dev->ip + lima_ip_dlbu;19 int i, mask = 0;20 21 for (i = 0; i < num_pp; i++) {22 struct lima_ip *pp = pipe->processor[i];23 24 mask |= 1 << (pp->id - lima_ip_pp0);25 }26 27 dlbu_write(LIMA_DLBU_PP_ENABLE_MASK, mask);28}29 30void lima_dlbu_disable(struct lima_device *dev)31{32 struct lima_ip *ip = dev->ip + lima_ip_dlbu;33 34 dlbu_write(LIMA_DLBU_PP_ENABLE_MASK, 0);35}36 37void lima_dlbu_set_reg(struct lima_ip *ip, u32 *reg)38{39 dlbu_write(LIMA_DLBU_TLLIST_VBASEADDR, reg[0]);40 dlbu_write(LIMA_DLBU_FB_DIM, reg[1]);41 dlbu_write(LIMA_DLBU_TLLIST_CONF, reg[2]);42 dlbu_write(LIMA_DLBU_START_TILE_POS, reg[3]);43}44 45static int lima_dlbu_hw_init(struct lima_ip *ip)46{47 struct lima_device *dev = ip->dev;48 49 dlbu_write(LIMA_DLBU_MASTER_TLLIST_PHYS_ADDR, dev->dlbu_dma | 1);50 dlbu_write(LIMA_DLBU_MASTER_TLLIST_VADDR, LIMA_VA_RESERVE_DLBU);51 52 return 0;53}54 55int lima_dlbu_resume(struct lima_ip *ip)56{57 return lima_dlbu_hw_init(ip);58}59 60void lima_dlbu_suspend(struct lima_ip *ip)61{62 63}64 65int lima_dlbu_init(struct lima_ip *ip)66{67 return lima_dlbu_hw_init(ip);68}69 70void lima_dlbu_fini(struct lima_ip *ip)71{72 73}74