C++ (Cpp) host1x_sync_syncpt_0_r Examples

Example #1

File: host1x_syncpt.c Project: FrozenCow/FIRE-ICE

/**
 * Updates the last value read from hardware.
 * (was nvhost_syncpt_update_min)
 */
static u32 t20_syncpt_update_min(struct nvhost_syncpt *sp, u32 id)
{
	struct nvhost_master *dev = syncpt_to_dev(sp);
	void __iomem *sync_regs = dev->sync_aperture;
	u32 old, live;

	do {
		old = nvhost_syncpt_read_min(sp, id);
		live = readl(sync_regs + (host1x_sync_syncpt_0_r() + id * 4));
	} while ((u32)atomic_cmpxchg(&sp->min_val[id], old, live) != old);

	return live;
}

Example #2

File: host1x_syncpt.c Project: denkem/enru-3.1.10-g7f360be

/**
 * Updates the last value read from hardware.
 * (was nvhost_syncpt_update_min)
 */
static u32 t20_syncpt_update_min(struct nvhost_syncpt *sp, u32 id)
{
	struct nvhost_master *dev = syncpt_to_dev(sp);
	void __iomem *sync_regs = dev->sync_aperture;
	u32 old, live;

	do {
		old = nvhost_syncpt_read_min(sp, id);
		live = readl(sync_regs + (host1x_sync_syncpt_0_r() + id * 4));
	} while ((u32)atomic_cmpxchg(&sp->min_val[id], old, live) != old);

	if (!nvhost_syncpt_check_max(sp, id, live))
		dev_err(&syncpt_to_dev(sp)->dev->dev,
				"%s failed: id=%u, min=%d, max=%d\n",
				__func__,
				nvhost_syncpt_read_min(sp, id),
				nvhost_syncpt_read_max(sp, id),
				id);

	return live;
}

Example #3

File: host1x_syncpt.c Project: FrozenCow/FIRE-ICE

/**
 * Write the current syncpoint value back to hw.
 */
static void t20_syncpt_reset(struct nvhost_syncpt *sp, u32 id)
{
	struct nvhost_master *dev = syncpt_to_dev(sp);
	int min = nvhost_syncpt_read_min(sp, id);
	writel(min, dev->sync_aperture + (host1x_sync_syncpt_0_r() + id * 4));
}