24  * Convert a pen in-range reporting type to a string.
112  * uclogic_params_pen (tablet interface's pen input parameters).
115  * @pen:	Pen input parameters to cleanup. Cannot be NULL.
117 static void uclogic_params_pen_cleanup(struct uclogic_params_pen *pen)  in uclogic_params_pen_cleanup()  argument
119 	kfree(pen->desc_ptr);  in uclogic_params_pen_cleanup()
120 	memset(pen, 0, sizeof(*pen));  in uclogic_params_pen_cleanup()
124  * uclogic_params_pen_init_v1() - initialize tablet interface pen
127  * @pen:	Pointer to the pen parameters to initialize (to be
139 static int uclogic_params_pen_init_v1(struct uclogic_params_pen *pen,  in uclogic_params_pen_init_v1()  argument
150 	/* Pen report descriptor template parameters */  in uclogic_params_pen_init_v1()
155 	if (pen == NULL || pfound == NULL || hdev == NULL) {  in uclogic_params_pen_init_v1()
161 	 * Read string descriptor containing pen input parameters.  in uclogic_params_pen_init_v1()
169 			"string descriptor with pen parameters not found, assuming not compatible\n");  in uclogic_params_pen_init_v1()
172 		hid_err(hdev, "failed retrieving pen parameters: %d\n", rc);  in uclogic_params_pen_init_v1()
176 …"string descriptor with pen parameters has invalid length (got %d, expected %d), assuming not comp…  in uclogic_params_pen_init_v1()
206 	 * Generate pen report descriptor  in uclogic_params_pen_init_v1()
220 	memset(pen, 0, sizeof(*pen));  in uclogic_params_pen_init_v1()
221 	pen->desc_ptr = desc_ptr;  in uclogic_params_pen_init_v1()
223 	pen->desc_size = uclogic_rdesc_pen_v1_template_size;  in uclogic_params_pen_init_v1()
224 	pen->id = UCLOGIC_RDESC_PEN_V1_ID;  in uclogic_params_pen_init_v1()
225 	pen->inrange = UCLOGIC_PARAMS_PEN_INRANGE_INVERTED;  in uclogic_params_pen_init_v1()
252  * uclogic_params_pen_init_v2() - initialize tablet interface pen
255  * @pen:	Pointer to the pen parameters to initialize (to be
267 static int uclogic_params_pen_init_v2(struct uclogic_params_pen *pen,  in uclogic_params_pen_init_v2()  argument
278 	/* Pen report descriptor template parameters */  in uclogic_params_pen_init_v2()
283 	if (pen == NULL || pfound == NULL || hdev == NULL) {  in uclogic_params_pen_init_v2()
289 	 * Read string descriptor containing pen input parameters.  in uclogic_params_pen_init_v2()
297 			"string descriptor with pen parameters not found, assuming not compatible\n");  in uclogic_params_pen_init_v2()
300 		hid_err(hdev, "failed retrieving pen parameters: %d\n", rc);  in uclogic_params_pen_init_v2()
304 …"string descriptor with pen parameters has invalid length (got %d, expected %d), assuming not comp…  in uclogic_params_pen_init_v2()
320 				"string descriptor with pen parameters seems to contain only text, assuming not compatible\n");  in uclogic_params_pen_init_v2()
350 	 * Generate pen report descriptor  in uclogic_params_pen_init_v2()
364 	memset(pen, 0, sizeof(*pen));  in uclogic_params_pen_init_v2()
365 	pen->desc_ptr = desc_ptr;  in uclogic_params_pen_init_v2()
367 	pen->desc_size = uclogic_rdesc_pen_v2_template_size;  in uclogic_params_pen_init_v2()
368 	pen->id = UCLOGIC_RDESC_PEN_V2_ID;  in uclogic_params_pen_init_v2()
369 	pen->inrange = UCLOGIC_PARAMS_PEN_INRANGE_NONE;  in uclogic_params_pen_init_v2()
370 	pen->fragmented_hires = true;  in uclogic_params_pen_init_v2()
516 			uclogic_params_pen_cleanup(&params->pen);  in uclogic_params_cleanup()
557 	pen_present = (!params->pen_unused && params->pen.desc_ptr != NULL);  in uclogic_params_get_desc()
563 		size += params->pen.desc_size;  in uclogic_params_get_desc()
581 			memcpy(p, params->pen.desc_ptr,  in uclogic_params_get_desc()
582 				params->pen.desc_size);  in uclogic_params_get_desc()
583 			p += params->pen.desc_size;  in uclogic_params_get_desc()
683  * disabling pen usage.
732 	/* If it's not a pen interface */  in uclogic_params_huion_init()
757 			"transition firmware detected, not probing pen v2 parameters\n");  in uclogic_params_huion_init()
759 		/* Try to probe v2 pen parameters */  in uclogic_params_huion_init()
760 		rc = uclogic_params_pen_init_v2(&p.pen, &found, hdev);  in uclogic_params_huion_init()
763 				"failed probing pen v2 parameters: %d\n", rc);  in uclogic_params_huion_init()
766 			hid_dbg(hdev, "pen v2 parameters found\n");  in uclogic_params_huion_init()
779 			/* Set bitmask marking frame reports in pen reports */  in uclogic_params_huion_init()
783 		hid_dbg(hdev, "pen v2 parameters not found\n");  in uclogic_params_huion_init()
786 	/* Try to probe v1 pen parameters */  in uclogic_params_huion_init()
787 	rc = uclogic_params_pen_init_v1(&p.pen, &found, hdev);  in uclogic_params_huion_init()
790 			"failed probing pen v1 parameters: %d\n", rc);  in uclogic_params_huion_init()
793 		hid_dbg(hdev, "pen v1 parameters found\n");  in uclogic_params_huion_init()
810 	hid_dbg(hdev, "pen v1 parameters not found\n");  in uclogic_params_huion_init()
912 				/* Try to probe v1 pen parameters */  in uclogic_params_init()
913 				rc = uclogic_params_pen_init_v1(&p.pen,  in uclogic_params_init()
917 						"pen probing failed: %d\n",  in uclogic_params_init()
923 						 "pen parameters not found");  in uclogic_params_init()
1020 		/* If this is the pen interface */  in uclogic_params_init()
1022 			/* Probe v1 pen parameters */  in uclogic_params_init()
1023 			rc = uclogic_params_pen_init_v1(&p.pen, &found, hdev);  in uclogic_params_init()
1025 				hid_err(hdev, "pen probing failed: %d\n", rc);  in uclogic_params_init()
1029 				hid_warn(hdev, "pen parameters not found");  in uclogic_params_init()
1039 		/* If this is the pen and frame interface */  in uclogic_params_init()
1041 			/* Probe v1 pen parameters */  in uclogic_params_init()
1042 			rc = uclogic_params_pen_init_v1(&p.pen, &found, hdev);  in uclogic_params_init()
1044 				hid_err(hdev, "pen probing failed: %d\n", rc);  in uclogic_params_init()
1062 		/* Ignore non-pen interfaces */  in uclogic_params_init()
1068 		rc = uclogic_params_pen_init_v1(&p.pen, &found, hdev);  in uclogic_params_init()
1070 			hid_err(hdev, "pen probing failed: %d\n", rc);  in uclogic_params_init()
1089 			hid_warn(hdev, "pen parameters not found");  in uclogic_params_init()
1096 		/* Ignore non-pen interfaces */  in uclogic_params_init()
1102 		rc = uclogic_params_pen_init_v1(&p.pen, &found, hdev);  in uclogic_params_init()
1104 			hid_err(hdev, "pen probing failed: %d\n", rc);  in uclogic_params_init()
1119 			hid_warn(hdev, "pen parameters not found");  in uclogic_params_init()