3  * ISHTP client driver for HID (ISH)
9 #include <linux/hid.h>
12 #include "ishtp-hid.h"
43 	dev_err(cl_data_to_dev(client_data), "[hid-ish]: BAD packet %02X\n"  in report_bad_packet()
81 	struct hid_device *hid = NULL;  in process_recv()  local
90 				"[hid-ish]: error, received %u which is less than data header %u\n",  in process_recv()
134 				"Mem alloc failed for hid device info\n");  in process_recv()
142 						"[hid-ish]: [ENUM_DEVICES]: content size %zu is bigger than payload_len %zu\n",  in process_recv()
226 					hid = client_data->hid_sensor_hubs[i];  in process_recv()
227 					if (!hid)  in process_recv()
230 					hid_data = hid->driver_data;  in process_recv()
242 							(hid, report_type,  in process_recv()
247 					ishtp_hid_wakeup(hid);  in process_recv()
360  * @hid:	hid device instance for this request
365  * This is called from hid core .request() callback. This function doesn't wait
368 void hid_ishtp_set_feature(struct hid_device *hid, char *buf, unsigned int len,  in hid_ishtp_set_feature()  argument
371 	struct ishtp_hid_data *hid_data =  hid->driver_data;  in hid_ishtp_set_feature()
377 	hid_ishtp_trace(client_data,  "%s hid %p\n", __func__, hid);  in hid_ishtp_set_feature()
381 		hid_ishtp_trace(client_data,  "%s hid %p link not ready\n",  in hid_ishtp_set_feature()
382 				__func__, hid);  in hid_ishtp_set_feature()
389 		if (hid == client_data->hid_sensor_hubs[i]) {  in hid_ishtp_set_feature()
401 		hid_ishtp_trace(client_data,  "%s hid %p send failed\n",  in hid_ishtp_set_feature()
402 				__func__, hid);  in hid_ishtp_set_feature()
407  * @hid:	hid device instance for this request
411  * This is called from hid core .request() callback. This function will send
414 void hid_ishtp_get_report(struct hid_device *hid, int report_id,  in hid_ishtp_get_report()  argument
417 	struct ishtp_hid_data *hid_data =  hid->driver_data;  in hid_ishtp_get_report()
423 	hid_ishtp_trace(client_data,  "%s hid %p\n", __func__, hid);  in hid_ishtp_get_report()
426 		hid_ishtp_trace(client_data,  "%s hid %p link not ready\n",  in hid_ishtp_get_report()
427 				__func__, hid);  in hid_ishtp_get_report()
434 		if (hid == client_data->hid_sensor_hubs[i]) {  in hid_ishtp_get_report()
448 		hid_ishtp_trace(client_data,  "%s hid %p send failed\n",  in hid_ishtp_get_report()
449 				__func__, hid);  in hid_ishtp_get_report()
483  * ishtp_enum_enum_devices() - Enumerate hid devices
486  * Helper function to send request to firmware to enumerate HID devices
520 			"[hid-ish]: timed out waiting for enum_devices\n");  in ishtp_enum_enum_devices()
525 			"[hid-ish]: failed to allocate HID dev structures\n");  in ishtp_enum_enum_devices()
531 		"[hid-ish]: enum_devices_done OK, num_hid_devices=%d\n",  in ishtp_enum_enum_devices()
538  * ishtp_get_hid_descriptor() - Get hid descriptor
542  * Helper function to send request to firmware get HID descriptor of a device
552 	/* Get HID descriptor */  in ishtp_get_hid_descriptor()
568 				"[hid-ish]: timed out for hid_descr_done\n");  in ishtp_get_hid_descriptor()
574 				"[hid-ish]: allocation HID desc fail\n");  in ishtp_get_hid_descriptor()
587  * Helper function to send request to firmware get HID report descriptor of
615 				"[hid-ish]: timed out for report descr\n");  in ishtp_get_report_descriptor()
620 			"[hid-ish]: failed to alloc report descr\n");  in ishtp_get_report_descriptor()
634  * - Send request to enumerate the hid clients
635  *	Get the HID descriptor for each enumearated device
637  *	Register each device wik hid core by calling ishtp_hid_probe
690 				"[hid-ish]: HID probe for #%u failed: %d\n",  in hid_ishtp_cl_init()
695 	} /* for() on all hid devices */  in hid_ishtp_cl_init()
712  * Unlink and free hid client
912 	.name = "ish-hid",
939 MODULE_DESCRIPTION("ISH ISHTP HID client driver");