Differential D7570 Diff 19743 head/sys/dev/bhnd/bhnd_subr.c

Changeset View

Standalone View

head/sys/dev/bhnd/bhnd_subr.c

	Show First 20 Lines • Show All 282 Lines • ▼ Show 20 Lines
	*/			*/
	bhnd_devclass_t			bhnd_devclass_t
	bhnd_core_class(const struct bhnd_core_info *ci)			bhnd_core_class(const struct bhnd_core_info *ci)
	{			{
	return bhnd_find_core_class(ci->vendor, ci->device);			return bhnd_find_core_class(ci->vendor, ci->device);
	}			}

	/**			/**
				* Write a human readable name representation of the given
				* BHND_CHIPID_* constant to @p buffer.
				*
				* @param buffer Output buffer, or NULL to compute the required size.
				* @param size Capacity of @p buffer, in bytes.
				* @param chip_id Chip ID to be formatted.
				*
				* @return Returns the required number of bytes on success, or a negative
				* integer on failure. No more than @p size-1 characters be written, with
				* the @p size'th set to '\0'.
				*
				* @sa BHND_CHIPID_MAX_NAMELEN
				*/
				int
				bhnd_format_chip_id(char *buffer, size_t size, uint16_t chip_id)
				{
				/* All hex formatted IDs are within the range of 0x4000-0x9C3F (40000-1) */
				if (chip_id >= 0x4000 && chip_id <= 0x9C3F)
				return (snprintf(buffer, size, "BCM%hX", chip_id));
				else
				return (snprintf(buffer, size, "BCM%hu", chip_id));
				}

				/**
	* Initialize a core info record with data from from a bhnd-attached @p dev.			* Initialize a core info record with data from from a bhnd-attached @p dev.
	*			*
	* @param dev A bhnd device.			* @param dev A bhnd device.
	* @param core The record to be initialized.			* @param core The record to be initialized.
	*/			*/
	struct bhnd_core_info			struct bhnd_core_info
	bhnd_get_core_info(device_t dev) {			bhnd_get_core_info(device_t dev) {
	return (struct bhnd_core_info) {			return (struct bhnd_core_info) {
	▲ Show 20 Lines • Show All 926 Lines • ▼ Show 20 Lines
	* description.			* description.
	*			*
	* @param dev A bhnd-bus attached device.			* @param dev A bhnd-bus attached device.
	*/			*/
	void			void
	bhnd_set_default_core_desc(device_t dev)			bhnd_set_default_core_desc(device_t dev)
	{			{
	bhnd_set_custom_core_desc(dev, bhnd_get_device_name(dev));			bhnd_set_custom_core_desc(dev, bhnd_get_device_name(dev));
				}


				/**
				* Using the bhnd @p chip_id, populate the bhnd(4) bus @p dev's device
				* description.
				*
				* @param dev A bhnd-bus attached device.
				*/
				void
				bhnd_set_default_bus_desc(device_t dev, const struct bhnd_chipid *chip_id)
				{
				const char *bus_name;
				char *desc;
				char chip_name[BHND_CHIPID_MAX_NAMELEN];

				/* Determine chip type's bus name */
				switch (chip_id->chip_type) {
				case BHND_CHIPTYPE_SIBA:
				bus_name = "SIBA bus";
				break;
				case BHND_CHIPTYPE_BCMA:
				case BHND_CHIPTYPE_BCMA_ALT:
				bus_name = "BCMA bus";
				break;
				case BHND_CHIPTYPE_UBUS:
				bus_name = "UBUS bus";
				break;
				default:
				bus_name = "Unknown Type";
				break;
				}

				/* Format chip name */
				bhnd_format_chip_id(chip_name, sizeof(chip_name),
				chip_id->chip_id);

				/* Format and set device description */
				asprintf(&desc, M_BHND, "%s %s", chip_name, bus_name);
				if (desc != NULL) {
				device_set_desc_copy(dev, desc);
				free(desc, M_BHND);
				} else {
				device_set_desc(dev, bus_name);
				}

	}			}

	/**			/**
	* Helper function for implementing BHND_BUS_IS_HW_DISABLED().			* Helper function for implementing BHND_BUS_IS_HW_DISABLED().
	*			*
	* If a parent device is available, this implementation delegates the			* If a parent device is available, this implementation delegates the
	* request to the BHND_BUS_IS_HW_DISABLED() method on the parent of @p dev.			* request to the BHND_BUS_IS_HW_DISABLED() method on the parent of @p dev.
	*			*
	▲ Show 20 Lines • Show All 222 Lines • Show Last 20 Lines