24  * uclogic_params_pen_inrange_to_str() - Convert a pen in-range reporting type
111  * uclogic_params_pen (tablet interface's pen input parameters).
114  * @pen:	Pen input parameters to cleanup. Cannot be NULL.
116 static void uclogic_params_pen_cleanup(struct uclogic_params_pen *pen)  in uclogic_params_pen_cleanup()  argument
118 	kfree(pen->desc_ptr);  in uclogic_params_pen_cleanup()
119 	memset(pen, 0, sizeof(*pen));  in uclogic_params_pen_cleanup()
123  * uclogic_params_pen_init_v1() - initialize tablet interface pen
126  * @pen:	Pointer to the pen parameters to initialize (to be
138 static int uclogic_params_pen_init_v1(struct uclogic_params_pen *pen,  in uclogic_params_pen_init_v1()  argument
149 	/* Pen report descriptor template parameters */  in uclogic_params_pen_init_v1()
154 	if (pen == NULL || pfound == NULL || hdev == NULL) {  in uclogic_params_pen_init_v1()
160 	 * Read string descriptor containing pen input parameters.  in uclogic_params_pen_init_v1()
168 			"string descriptor with pen parameters not found, assuming not compatible\n");  in uclogic_params_pen_init_v1()
171 		hid_err(hdev, "failed retrieving pen parameters: %d\n", rc);  in uclogic_params_pen_init_v1()
175 …"string descriptor with pen parameters has invalid length (got %d, expected %d), assuming not comp…  in uclogic_params_pen_init_v1()
205 	 * Generate pen report descriptor  in uclogic_params_pen_init_v1()
219 	memset(pen, 0, sizeof(*pen));  in uclogic_params_pen_init_v1()
220 	pen->desc_ptr = desc_ptr;  in uclogic_params_pen_init_v1()
222 	pen->desc_size = uclogic_rdesc_pen_v1_template_size;  in uclogic_params_pen_init_v1()
223 	pen->id = UCLOGIC_RDESC_PEN_V1_ID;  in uclogic_params_pen_init_v1()
224 	pen->inrange = UCLOGIC_PARAMS_PEN_INRANGE_INVERTED;  in uclogic_params_pen_init_v1()
251  * uclogic_params_pen_init_v2() - initialize tablet interface pen
254  * @pen:	Pointer to the pen parameters to initialize (to be
266 static int uclogic_params_pen_init_v2(struct uclogic_params_pen *pen,  in uclogic_params_pen_init_v2()  argument
277 	/* Pen report descriptor template parameters */  in uclogic_params_pen_init_v2()
282 	if (pen == NULL || pfound == NULL || hdev == NULL) {  in uclogic_params_pen_init_v2()
288 	 * Read string descriptor containing pen input parameters.  in uclogic_params_pen_init_v2()
296 			"string descriptor with pen parameters not found, assuming not compatible\n");  in uclogic_params_pen_init_v2()
299 		hid_err(hdev, "failed retrieving pen parameters: %d\n", rc);  in uclogic_params_pen_init_v2()
303 …"string descriptor with pen parameters has invalid length (got %d, expected %d), assuming not comp…  in uclogic_params_pen_init_v2()
319 				"string descriptor with pen parameters seems to contain only text, assuming not compatible\n");  in uclogic_params_pen_init_v2()
349 	 * Generate pen report descriptor  in uclogic_params_pen_init_v2()
363 	memset(pen, 0, sizeof(*pen));  in uclogic_params_pen_init_v2()
364 	pen->desc_ptr = desc_ptr;  in uclogic_params_pen_init_v2()
366 	pen->desc_size = uclogic_rdesc_pen_v2_template_size;  in uclogic_params_pen_init_v2()
367 	pen->id = UCLOGIC_RDESC_PEN_V2_ID;  in uclogic_params_pen_init_v2()
368 	pen->inrange = UCLOGIC_PARAMS_PEN_INRANGE_NONE;  in uclogic_params_pen_init_v2()
369 	pen->fragmented_hires = true;  in uclogic_params_pen_init_v2()
513 			uclogic_params_pen_cleanup(&params->pen);  in uclogic_params_cleanup()
555 	pen_present = (!params->pen_unused && params->pen.desc_ptr != NULL);  in uclogic_params_get_desc()
561 		size += params->pen.desc_size;  in uclogic_params_get_desc()
579 			memcpy(p, params->pen.desc_ptr,  in uclogic_params_get_desc()
580 				params->pen.desc_size);  in uclogic_params_get_desc()
581 			p += params->pen.desc_size;  in uclogic_params_get_desc()
681  * disabling pen usage.
726 	/* If it's not a pen interface */  in uclogic_params_huion_init()
751 			"transition firmware detected, not probing pen v2 parameters\n");  in uclogic_params_huion_init()
753 		/* Try to probe v2 pen parameters */  in uclogic_params_huion_init()
754 		rc = uclogic_params_pen_init_v2(&p.pen, &found, hdev);  in uclogic_params_huion_init()
757 				"failed probing pen v2 parameters: %d\n", rc);  in uclogic_params_huion_init()
760 			hid_dbg(hdev, "pen v2 parameters found\n");  in uclogic_params_huion_init()
773 			/* Set bitmask marking frame reports in pen reports */  in uclogic_params_huion_init()
777 		hid_dbg(hdev, "pen v2 parameters not found\n");  in uclogic_params_huion_init()
780 	/* Try to probe v1 pen parameters */  in uclogic_params_huion_init()
781 	rc = uclogic_params_pen_init_v1(&p.pen, &found, hdev);  in uclogic_params_huion_init()
784 			"failed probing pen v1 parameters: %d\n", rc);  in uclogic_params_huion_init()
787 		hid_dbg(hdev, "pen v1 parameters found\n");  in uclogic_params_huion_init()
804 	hid_dbg(hdev, "pen v1 parameters not found\n");  in uclogic_params_huion_init()
902 				/* Try to probe v1 pen parameters */  in uclogic_params_init()
903 				rc = uclogic_params_pen_init_v1(&p.pen,  in uclogic_params_init()
907 						"pen probing failed: %d\n",  in uclogic_params_init()
913 						 "pen parameters not found");  in uclogic_params_init()
1010 		/* If this is the pen interface */  in uclogic_params_init()
1012 			/* Probe v1 pen parameters */  in uclogic_params_init()
1013 			rc = uclogic_params_pen_init_v1(&p.pen, &found, hdev);  in uclogic_params_init()
1015 				hid_err(hdev, "pen probing failed: %d\n", rc);  in uclogic_params_init()
1019 				hid_warn(hdev, "pen parameters not found");  in uclogic_params_init()
1029 		/* If this is the pen and frame interface */  in uclogic_params_init()
1031 			/* Probe v1 pen parameters */  in uclogic_params_init()
1032 			rc = uclogic_params_pen_init_v1(&p.pen, &found, hdev);  in uclogic_params_init()
1034 				hid_err(hdev, "pen probing failed: %d\n", rc);  in uclogic_params_init()
1054 		/* Ignore non-pen interfaces */  in uclogic_params_init()
1060 		rc = uclogic_params_pen_init_v1(&p.pen, &found, hdev);  in uclogic_params_init()
1062 			hid_err(hdev, "pen probing failed: %d\n", rc);  in uclogic_params_init()
1081 			hid_warn(hdev, "pen parameters not found");  in uclogic_params_init()
1088 		/* Ignore non-pen interfaces */  in uclogic_params_init()
1094 		rc = uclogic_params_pen_init_v1(&p.pen, &found, hdev);  in uclogic_params_init()
1096 			hid_err(hdev, "pen probing failed: %d\n", rc);  in uclogic_params_init()
1111 			hid_warn(hdev, "pen parameters not found");  in uclogic_params_init()