24  * Convert a pen in-range reporting type to a string.
110  * uclogic_params_pen (tablet interface's pen input parameters).
113  * @pen:	Pen input parameters to cleanup. Cannot be NULL.
115 static void uclogic_params_pen_cleanup(struct uclogic_params_pen *pen)  in uclogic_params_pen_cleanup()  argument
117 	kfree(pen->desc_ptr);  in uclogic_params_pen_cleanup()
118 	memset(pen, 0, sizeof(*pen));  in uclogic_params_pen_cleanup()
122  * uclogic_params_pen_init_v1() - initialize tablet interface pen
125  * @pen:	Pointer to the pen parameters to initialize (to be
137 static int uclogic_params_pen_init_v1(struct uclogic_params_pen *pen,  in uclogic_params_pen_init_v1()  argument
148 	/* Pen report descriptor template parameters */  in uclogic_params_pen_init_v1()
153 	if (pen == NULL || pfound == NULL || hdev == NULL) {  in uclogic_params_pen_init_v1()
159 	 * Read string descriptor containing pen input parameters.  in uclogic_params_pen_init_v1()
167 			"string descriptor with pen parameters not found, assuming not compatible\n");  in uclogic_params_pen_init_v1()
170 		hid_err(hdev, "failed retrieving pen parameters: %d\n", rc);  in uclogic_params_pen_init_v1()
174 …"string descriptor with pen parameters has invalid length (got %d, expected %d), assuming not comp…  in uclogic_params_pen_init_v1()
204 	 * Generate pen report descriptor  in uclogic_params_pen_init_v1()
218 	memset(pen, 0, sizeof(*pen));  in uclogic_params_pen_init_v1()
219 	pen->desc_ptr = desc_ptr;  in uclogic_params_pen_init_v1()
221 	pen->desc_size = uclogic_rdesc_pen_v1_template_size;  in uclogic_params_pen_init_v1()
222 	pen->id = UCLOGIC_RDESC_PEN_V1_ID;  in uclogic_params_pen_init_v1()
223 	pen->inrange = UCLOGIC_PARAMS_PEN_INRANGE_INVERTED;  in uclogic_params_pen_init_v1()
250  * uclogic_params_pen_init_v2() - initialize tablet interface pen
253  * @pen:	Pointer to the pen parameters to initialize (to be
265 static int uclogic_params_pen_init_v2(struct uclogic_params_pen *pen,  in uclogic_params_pen_init_v2()  argument
276 	/* Pen report descriptor template parameters */  in uclogic_params_pen_init_v2()
281 	if (pen == NULL || pfound == NULL || hdev == NULL) {  in uclogic_params_pen_init_v2()
287 	 * Read string descriptor containing pen input parameters.  in uclogic_params_pen_init_v2()
295 			"string descriptor with pen parameters not found, assuming not compatible\n");  in uclogic_params_pen_init_v2()
298 		hid_err(hdev, "failed retrieving pen parameters: %d\n", rc);  in uclogic_params_pen_init_v2()
302 …"string descriptor with pen parameters has invalid length (got %d, expected %d), assuming not comp…  in uclogic_params_pen_init_v2()
318 				"string descriptor with pen parameters seems to contain only text, assuming not compatible\n");  in uclogic_params_pen_init_v2()
348 	 * Generate pen report descriptor  in uclogic_params_pen_init_v2()
362 	memset(pen, 0, sizeof(*pen));  in uclogic_params_pen_init_v2()
363 	pen->desc_ptr = desc_ptr;  in uclogic_params_pen_init_v2()
365 	pen->desc_size = uclogic_rdesc_pen_v2_template_size;  in uclogic_params_pen_init_v2()
366 	pen->id = UCLOGIC_RDESC_PEN_V2_ID;  in uclogic_params_pen_init_v2()
367 	pen->inrange = UCLOGIC_PARAMS_PEN_INRANGE_NONE;  in uclogic_params_pen_init_v2()
368 	pen->fragmented_hires = true;  in uclogic_params_pen_init_v2()
512 			uclogic_params_pen_cleanup(&params->pen);  in uclogic_params_cleanup()
553 	pen_present = (!params->pen_unused && params->pen.desc_ptr != NULL);  in uclogic_params_get_desc()
559 		size += params->pen.desc_size;  in uclogic_params_get_desc()
577 			memcpy(p, params->pen.desc_ptr,  in uclogic_params_get_desc()
578 				params->pen.desc_size);  in uclogic_params_get_desc()
579 			p += params->pen.desc_size;  in uclogic_params_get_desc()
679  * disabling pen usage.
724 	/* If it's not a pen interface */  in uclogic_params_huion_init()
749 			"transition firmware detected, not probing pen v2 parameters\n");  in uclogic_params_huion_init()
751 		/* Try to probe v2 pen parameters */  in uclogic_params_huion_init()
752 		rc = uclogic_params_pen_init_v2(&p.pen, &found, hdev);  in uclogic_params_huion_init()
755 				"failed probing pen v2 parameters: %d\n", rc);  in uclogic_params_huion_init()
758 			hid_dbg(hdev, "pen v2 parameters found\n");  in uclogic_params_huion_init()
771 			/* Set bitmask marking frame reports in pen reports */  in uclogic_params_huion_init()
775 		hid_dbg(hdev, "pen v2 parameters not found\n");  in uclogic_params_huion_init()
778 	/* Try to probe v1 pen parameters */  in uclogic_params_huion_init()
779 	rc = uclogic_params_pen_init_v1(&p.pen, &found, hdev);  in uclogic_params_huion_init()
782 			"failed probing pen v1 parameters: %d\n", rc);  in uclogic_params_huion_init()
785 		hid_dbg(hdev, "pen v1 parameters found\n");  in uclogic_params_huion_init()
802 	hid_dbg(hdev, "pen v1 parameters not found\n");  in uclogic_params_huion_init()
900 				/* Try to probe v1 pen parameters */  in uclogic_params_init()
901 				rc = uclogic_params_pen_init_v1(&p.pen,  in uclogic_params_init()
905 						"pen probing failed: %d\n",  in uclogic_params_init()
911 						 "pen parameters not found");  in uclogic_params_init()
1008 		/* If this is the pen interface */  in uclogic_params_init()
1010 			/* Probe v1 pen parameters */  in uclogic_params_init()
1011 			rc = uclogic_params_pen_init_v1(&p.pen, &found, hdev);  in uclogic_params_init()
1013 				hid_err(hdev, "pen probing failed: %d\n", rc);  in uclogic_params_init()
1017 				hid_warn(hdev, "pen parameters not found");  in uclogic_params_init()
1027 		/* If this is the pen and frame interface */  in uclogic_params_init()
1029 			/* Probe v1 pen parameters */  in uclogic_params_init()
1030 			rc = uclogic_params_pen_init_v1(&p.pen, &found, hdev);  in uclogic_params_init()
1032 				hid_err(hdev, "pen probing failed: %d\n", rc);  in uclogic_params_init()
1050 		/* Ignore non-pen interfaces */  in uclogic_params_init()
1056 		rc = uclogic_params_pen_init_v1(&p.pen, &found, hdev);  in uclogic_params_init()
1058 			hid_err(hdev, "pen probing failed: %d\n", rc);  in uclogic_params_init()
1077 			hid_warn(hdev, "pen parameters not found");  in uclogic_params_init()
1084 		/* Ignore non-pen interfaces */  in uclogic_params_init()
1090 		rc = uclogic_params_pen_init_v1(&p.pen, &found, hdev);  in uclogic_params_init()
1092 			hid_err(hdev, "pen probing failed: %d\n", rc);  in uclogic_params_init()
1107 			hid_warn(hdev, "pen parameters not found");  in uclogic_params_init()