// SPDX-License-Identifier: GPL-2.0 OR MIT /* Copyright 2018-2019 Qiang Yu <yuq825@gmail.com> */ #include <linux/io.h> #include <linux/device.h> #include "lima_device.h" #include "lima_bcast.h" #include "lima_regs.h" #define bcast_write(reg, data) writel(data, ip->iomem + reg) #define bcast_read(reg) readl(ip->iomem + reg) void lima_bcast_enable(struct lima_device *dev, int num_pp) { struct lima_sched_pipe *pipe = dev->pipe + lima_pipe_pp; struct lima_ip *ip = dev->ip + lima_ip_bcast; int i, mask = bcast_read(LIMA_BCAST_BROADCAST_MASK) & 0xffff0000; for (i = 0; i < num_pp; i++) { struct lima_ip *pp = pipe->processor[i]; mask |= 1 << (pp->id - lima_ip_pp0); } bcast_write(LIMA_BCAST_BROADCAST_MASK, mask); } static int lima_bcast_hw_init(struct lima_ip *ip) { bcast_write(LIMA_BCAST_BROADCAST_MASK, ip->data.mask << 16); bcast_write(LIMA_BCAST_INTERRUPT_MASK, ip->data.mask); return 0; } int lima_bcast_resume(struct lima_ip *ip) { return lima_bcast_hw_init(ip); } void lima_bcast_suspend(struct lima_ip *ip) { } int lima_bcast_init(struct lima_ip *ip) { int i; for (i = lima_ip_pp0; i <= lima_ip_pp7; i++) { if (ip->dev->ip[i].present) ip->data.mask |= 1 << (i - lima_ip_pp0); } return lima_bcast_hw_init(ip); } void lima_bcast_fini(struct lima_ip *ip) { }