drivers/remoteproc/ti_sci_proc.h

Source file repositories/reference/linux-study-clean/drivers/remoteproc/ti_sci_proc.h

File Facts

System
Linux kernel
Corpus path
drivers/remoteproc/ti_sci_proc.h
Extension
.h
Size
3089 bytes
Lines
131
Domain
Driver Families
Bucket
drivers/remoteproc
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct ti_sci_proc {
	const struct ti_sci_handle *sci;
	const struct ti_sci_proc_ops *ops;
	struct device *dev;
	u8 proc_id;
	u8 host_id;
};

static inline
struct ti_sci_proc *ti_sci_proc_of_get_tsp(struct device *dev,
					   const struct ti_sci_handle *sci)
{
	struct ti_sci_proc *tsp;
	u32 temp[2];
	int ret;

	ret = of_property_read_u32_array(dev_of_node(dev), "ti,sci-proc-ids",
					 temp, 2);
	if (ret < 0)
		return ERR_PTR(ret);

	tsp = devm_kzalloc(dev, sizeof(*tsp), GFP_KERNEL);
	if (!tsp)
		return ERR_PTR(-ENOMEM);

	tsp->dev = dev;
	tsp->sci = sci;
	tsp->ops = &sci->ops.proc_ops;
	tsp->proc_id = temp[0];
	tsp->host_id = temp[1];

	return tsp;
}

static inline int ti_sci_proc_request(struct ti_sci_proc *tsp)
{
	int ret;

	ret = tsp->ops->request(tsp->sci, tsp->proc_id);
	if (ret)
		dev_err(tsp->dev, "ti-sci processor request failed: %d\n",
			ret);
	return ret;
}

static inline int ti_sci_proc_release(struct ti_sci_proc *tsp)
{
	int ret;

	ret = tsp->ops->release(tsp->sci, tsp->proc_id);
	if (ret)
		dev_err(tsp->dev, "ti-sci processor release failed: %d\n",
			ret);
	return ret;
}

static inline int ti_sci_proc_handover(struct ti_sci_proc *tsp)
{
	int ret;

	ret = tsp->ops->handover(tsp->sci, tsp->proc_id, tsp->host_id);
	if (ret)
		dev_err(tsp->dev, "ti-sci processor handover of %d to %d failed: %d\n",
			tsp->proc_id, tsp->host_id, ret);
	return ret;
}

static inline int ti_sci_proc_set_config(struct ti_sci_proc *tsp,
					 u64 boot_vector,
					 u32 cfg_set, u32 cfg_clr)
{
	int ret;

	ret = tsp->ops->set_config(tsp->sci, tsp->proc_id, boot_vector,
				   cfg_set, cfg_clr);
	if (ret)
		dev_err(tsp->dev, "ti-sci processor set_config failed: %d\n",
			ret);
	return ret;
}

static inline int ti_sci_proc_set_control(struct ti_sci_proc *tsp,
					  u32 ctrl_set, u32 ctrl_clr)
{
	int ret;

	ret = tsp->ops->set_control(tsp->sci, tsp->proc_id, ctrl_set, ctrl_clr);
	if (ret)
		dev_err(tsp->dev, "ti-sci processor set_control failed: %d\n",
			ret);

Annotation

Implementation Notes