Lines Matching +full:tablet +full:- +full:mode
1 // SPDX-License-Identifier: GPL-2.0+
3 * HID driver for UC-Logic devices not fully compliant with HID standard
4 * - tablet initialization and parameter retrieval
16 #include "hid-uclogic-params.h"
17 #include "hid-uclogic-rdesc.h"
19 #include "hid-ids.h"
24 * Convert a pen in-range reporting type to a string.
26 * @inrange: The in-range reporting type to convert.
47 * uclogic_params_get_str_desc - retrieve a string descriptor from a HID
48 * device interface, putting it into a kmalloc-allocated buffer as is, without
51 * @pbuf: Location for the kmalloc-allocated buffer pointer containing
54 * @hdev: The HID device of the tablet interface to retrieve the string
61 * -EPIPE, if the descriptor was not found, or
73 rc = -EINVAL; in uclogic_params_get_str_desc()
81 rc = -ENOMEM; in uclogic_params_get_str_desc()
90 if (rc == -EPIPE) { in uclogic_params_get_str_desc()
111 * uclogic_params_pen_cleanup - free resources used by struct
112 * uclogic_params_pen (tablet interface's pen input parameters).
119 kfree(pen->desc_ptr); in uclogic_params_pen_cleanup()
124 * uclogic_params_pen_init_v1() - initialize tablet interface pen
133 * @hdev: The HID device of the tablet interface to initialize and get
156 rc = -EINVAL; in uclogic_params_pen_init_v1()
164 * NOTE: This enables fully-functional tablet mode. in uclogic_params_pen_init_v1()
167 if (rc == -EPIPE) { in uclogic_params_pen_init_v1()
213 rc = -ENOMEM; in uclogic_params_pen_init_v1()
218 * Fill-in the parameters 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()
237 * uclogic_params_get_le24() - get a 24-bit little-endian number from a
252 * uclogic_params_pen_init_v2() - initialize tablet interface pen
261 * @hdev: The HID device of the tablet interface to initialize and get
284 rc = -EINVAL; in uclogic_params_pen_init_v2()
292 * NOTE: This enables fully-functional tablet mode. in uclogic_params_pen_init_v2()
295 if (rc == -EPIPE) { in uclogic_params_pen_init_v2()
310 * Check it's not just a catch-all UTF-16LE-encoded ASCII in uclogic_params_pen_init_v2()
357 rc = -ENOMEM; in uclogic_params_pen_init_v2()
362 * Fill-in the parameters 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()
382 * uclogic_params_frame_cleanup - free resources used by struct
383 * uclogic_params_frame (tablet interface's frame controls input parameters).
390 kfree(frame->desc_ptr); in uclogic_params_frame_cleanup()
395 * uclogic_params_frame_init_with_desc() - initialize tablet's frame control
418 return -EINVAL; in uclogic_params_frame_init_with_desc()
422 return -ENOMEM; in uclogic_params_frame_init_with_desc()
425 frame->desc_ptr = copy_desc_ptr; in uclogic_params_frame_init_with_desc()
426 frame->desc_size = desc_size; in uclogic_params_frame_init_with_desc()
427 frame->id = id; in uclogic_params_frame_init_with_desc()
432 * uclogic_params_frame_init_v1_buttonpad() - initialize abstract buttonpad
433 * on a v1 tablet interface.
441 * @hdev: The HID device of the tablet interface to initialize and get
460 rc = -EINVAL; in uclogic_params_frame_init_v1_buttonpad()
467 * Enable generic button mode in uclogic_params_frame_init_v1_buttonpad()
471 rc = -ENOMEM; in uclogic_params_frame_init_v1_buttonpad()
476 if (rc == -EPIPE) { in uclogic_params_frame_init_v1_buttonpad()
478 "generic button -enabling string descriptor not found\n"); in uclogic_params_frame_init_v1_buttonpad()
505 * uclogic_params_cleanup - free resources used by struct uclogic_params
506 * (tablet interface's parameters).
513 if (!params->invalid) { in uclogic_params_cleanup()
514 kfree(params->desc_ptr); in uclogic_params_cleanup()
515 if (!params->pen_unused) in uclogic_params_cleanup()
516 uclogic_params_pen_cleanup(¶ms->pen); in uclogic_params_cleanup()
517 uclogic_params_frame_cleanup(¶ms->frame); in uclogic_params_cleanup()
523 * Get a replacement report descriptor for a tablet's interface.
525 * @params: The parameters of a tablet interface to get report
527 * @pdesc: Location for the resulting, kmalloc-allocated report
537 * -EINVAL, if invalid arguments are supplied.
538 * -ENOMEM, if failed to allocate memory.
552 return -EINVAL; in uclogic_params_get_desc()
556 common_present = (params->desc_ptr != NULL); in uclogic_params_get_desc()
557 pen_present = (!params->pen_unused && params->pen.desc_ptr != NULL); in uclogic_params_get_desc()
558 frame_present = (params->frame.desc_ptr != NULL); in uclogic_params_get_desc()
561 size += params->desc_size; in uclogic_params_get_desc()
563 size += params->pen.desc_size; in uclogic_params_get_desc()
565 size += params->frame.desc_size; in uclogic_params_get_desc()
572 return -ENOMEM; in uclogic_params_get_desc()
576 memcpy(p, params->desc_ptr, in uclogic_params_get_desc()
577 params->desc_size); in uclogic_params_get_desc()
578 p += params->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()
586 memcpy(p, params->frame.desc_ptr, in uclogic_params_get_desc()
587 params->frame.desc_size); in uclogic_params_get_desc()
588 p += params->frame.desc_size; in uclogic_params_get_desc()
601 * uclogic_params_init_invalid() - initialize tablet interface parameters,
609 params->invalid = true; in uclogic_params_init_invalid()
613 * uclogic_params_init_with_opt_desc() - initialize tablet interface
621 * @hdev: The HID device of the tablet interface create the
630 * Zero, if successful. -EINVAL if an invalid argument was passed.
631 * -ENOMEM, if failed to allocate memory.
646 rc = -EINVAL; in uclogic_params_init_with_opt_desc()
651 if (hdev->dev_rsize == orig_desc_size) { in uclogic_params_init_with_opt_desc()
656 rc = -ENOMEM; in uclogic_params_init_with_opt_desc()
663 hdev->dev_rsize, orig_desc_size); in uclogic_params_init_with_opt_desc()
670 params->desc_ptr = desc_copy_ptr; in uclogic_params_init_with_opt_desc()
672 params->desc_size = desc_copy_size; in uclogic_params_init_with_opt_desc()
681 * uclogic_params_init_with_pen_unused() - initialize tablet interface
692 params->pen_unused = true; in uclogic_params_init_with_pen_unused()
696 * uclogic_params_init() - initialize a Huion tablet interface and discover
702 * @hdev: The HID device of the tablet interface to initialize and get
724 rc = -EINVAL; in uclogic_params_huion_init()
729 iface = to_usb_interface(hdev->dev.parent); in uclogic_params_huion_init()
730 bInterfaceNumber = iface->cur_altsetting->desc.bInterfaceNumber; in uclogic_params_huion_init()
742 rc = -ENOMEM; in uclogic_params_huion_init()
746 if (rc == -EPIPE) { in uclogic_params_huion_init()
826 * uclogic_params_init() - initialize a tablet interface and discover its
832 * @hdev: The HID device of the tablet interface to initialize and get
833 * parameters from. Cannot be NULL. Must be using the USB low-level
834 * driver, i.e. be an actual USB tablet.
853 rc = -EINVAL; in uclogic_params_init()
858 bNumInterfaces = udev->config->desc.bNumInterfaces; in uclogic_params_init()
859 iface = to_usb_interface(hdev->dev.parent); in uclogic_params_init()
860 bInterfaceNumber = iface->cur_altsetting->desc.bInterfaceNumber; in uclogic_params_init()
895 switch (VID_PID(hdev->vendor, hdev->product)) { in uclogic_params_init()
910 if (hdev->dev_rsize == UCLOGIC_RDESC_WP5540U_V2_ORIG_SIZE) { in uclogic_params_init()
969 * If it is not a three-interface version, which is known to in uclogic_params_init()
1062 /* Ignore non-pen interfaces */ in uclogic_params_init()
1096 /* Ignore non-pen interfaces */ in uclogic_params_init()