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- // 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)
- {
- }
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