xref: /freebsd/sys/dev/usb/usb_dynamic.c (revision e0a69b51ac09dc0376611274903ba683e2d1ace7)
102ac6454SAndrew Thompson /* $FreeBSD$ */
202ac6454SAndrew Thompson /*-
302ac6454SAndrew Thompson  * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
402ac6454SAndrew Thompson  *
502ac6454SAndrew Thompson  * Redistribution and use in source and binary forms, with or without
602ac6454SAndrew Thompson  * modification, are permitted provided that the following conditions
702ac6454SAndrew Thompson  * are met:
802ac6454SAndrew Thompson  * 1. Redistributions of source code must retain the above copyright
902ac6454SAndrew Thompson  *    notice, this list of conditions and the following disclaimer.
1002ac6454SAndrew Thompson  * 2. Redistributions in binary form must reproduce the above copyright
1102ac6454SAndrew Thompson  *    notice, this list of conditions and the following disclaimer in the
1202ac6454SAndrew Thompson  *    documentation and/or other materials provided with the distribution.
1302ac6454SAndrew Thompson  *
1402ac6454SAndrew Thompson  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
1502ac6454SAndrew Thompson  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1602ac6454SAndrew Thompson  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1702ac6454SAndrew Thompson  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
1802ac6454SAndrew Thompson  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
1902ac6454SAndrew Thompson  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2002ac6454SAndrew Thompson  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2102ac6454SAndrew Thompson  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2202ac6454SAndrew Thompson  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
2302ac6454SAndrew Thompson  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
2402ac6454SAndrew Thompson  * SUCH DAMAGE.
2502ac6454SAndrew Thompson  */
2602ac6454SAndrew Thompson 
2702ac6454SAndrew Thompson #include <dev/usb/usb_mfunc.h>
2802ac6454SAndrew Thompson #include <dev/usb/usb_error.h>
2902ac6454SAndrew Thompson #include <dev/usb/usb.h>
3002ac6454SAndrew Thompson 
3102ac6454SAndrew Thompson #include <dev/usb/usb_core.h>
3202ac6454SAndrew Thompson #include <dev/usb/usb_process.h>
3302ac6454SAndrew Thompson #include <dev/usb/usb_device.h>
3402ac6454SAndrew Thompson #include <dev/usb/usb_dynamic.h>
3502ac6454SAndrew Thompson 
3602ac6454SAndrew Thompson /* function prototypes */
37e0a69b51SAndrew Thompson static usb_handle_req_t usb2_temp_get_desc_w;
3802ac6454SAndrew Thompson static usb2_temp_setup_by_index_t usb2_temp_setup_by_index_w;
3902ac6454SAndrew Thompson static usb2_temp_unsetup_t usb2_temp_unsetup_w;
4002ac6454SAndrew Thompson static usb2_test_quirk_t usb2_test_quirk_w;
4102ac6454SAndrew Thompson static usb2_test_huawei_autoinst_t usb2_test_huawei_autoinst_w;
4202ac6454SAndrew Thompson static usb2_quirk_ioctl_t usb2_quirk_ioctl_w;
4302ac6454SAndrew Thompson 
4402ac6454SAndrew Thompson /* global variables */
45e0a69b51SAndrew Thompson usb_handle_req_t *usb2_temp_get_desc_p = &usb2_temp_get_desc_w;
4602ac6454SAndrew Thompson usb2_temp_setup_by_index_t *usb2_temp_setup_by_index_p = &usb2_temp_setup_by_index_w;
4702ac6454SAndrew Thompson usb2_temp_unsetup_t *usb2_temp_unsetup_p = &usb2_temp_unsetup_w;
4802ac6454SAndrew Thompson usb2_test_quirk_t *usb2_test_quirk_p = &usb2_test_quirk_w;
4902ac6454SAndrew Thompson usb2_test_huawei_autoinst_t *usb2_test_huawei_autoinst_p = &usb2_test_huawei_autoinst_w;
5002ac6454SAndrew Thompson usb2_quirk_ioctl_t *usb2_quirk_ioctl_p = &usb2_quirk_ioctl_w;
5102ac6454SAndrew Thompson devclass_t usb2_devclass_ptr = NULL;
5202ac6454SAndrew Thompson 
53e0a69b51SAndrew Thompson static usb_error_t
54760bc48eSAndrew Thompson usb2_temp_setup_by_index_w(struct usb_device *udev, uint16_t index)
5502ac6454SAndrew Thompson {
5602ac6454SAndrew Thompson 	return (USB_ERR_INVAL);
5702ac6454SAndrew Thompson }
5802ac6454SAndrew Thompson 
5902ac6454SAndrew Thompson static uint8_t
60760bc48eSAndrew Thompson usb2_test_quirk_w(const struct usb_lookup_info *info, uint16_t quirk)
6102ac6454SAndrew Thompson {
6202ac6454SAndrew Thompson 	return (0);			/* no match */
6302ac6454SAndrew Thompson }
6402ac6454SAndrew Thompson 
6502ac6454SAndrew Thompson static int
6602ac6454SAndrew Thompson usb2_quirk_ioctl_w(unsigned long cmd, caddr_t data, int fflag, struct thread *td)
6702ac6454SAndrew Thompson {
6802ac6454SAndrew Thompson 	return (ENOIOCTL);
6902ac6454SAndrew Thompson }
7002ac6454SAndrew Thompson 
71e0a69b51SAndrew Thompson static usb_error_t
72760bc48eSAndrew Thompson usb2_temp_get_desc_w(struct usb_device *udev, struct usb_device_request *req, const void **pPtr, uint16_t *pLength)
7302ac6454SAndrew Thompson {
7402ac6454SAndrew Thompson 	/* stall */
75459d369eSAndrew Thompson 	return (USB_ERR_STALLED);
7602ac6454SAndrew Thompson }
7702ac6454SAndrew Thompson 
7802ac6454SAndrew Thompson static void
79760bc48eSAndrew Thompson usb2_temp_unsetup_w(struct usb_device *udev)
8002ac6454SAndrew Thompson {
8102ac6454SAndrew Thompson 	if (udev->usb2_template_ptr) {
8202ac6454SAndrew Thompson 
8302ac6454SAndrew Thompson 		free(udev->usb2_template_ptr, M_USB);
8402ac6454SAndrew Thompson 
8502ac6454SAndrew Thompson 		udev->usb2_template_ptr = NULL;
8602ac6454SAndrew Thompson 	}
8702ac6454SAndrew Thompson }
8802ac6454SAndrew Thompson 
8902ac6454SAndrew Thompson static uint8_t
90760bc48eSAndrew Thompson usb2_test_huawei_autoinst_w(struct usb_device *udev,
91760bc48eSAndrew Thompson     struct usb_attach_arg *uaa)
9202ac6454SAndrew Thompson {
9302ac6454SAndrew Thompson 	return (USB_ERR_INVAL);
9402ac6454SAndrew Thompson }
9502ac6454SAndrew Thompson 
9602ac6454SAndrew Thompson void
9702ac6454SAndrew Thompson usb2_quirk_unload(void *arg)
9802ac6454SAndrew Thompson {
9902ac6454SAndrew Thompson 	/* reset function pointers */
10002ac6454SAndrew Thompson 
10102ac6454SAndrew Thompson 	usb2_test_quirk_p = &usb2_test_quirk_w;
10202ac6454SAndrew Thompson 	usb2_quirk_ioctl_p = &usb2_quirk_ioctl_w;
10302ac6454SAndrew Thompson 
10402ac6454SAndrew Thompson 	/* wait for CPU to exit the loaded functions, if any */
10502ac6454SAndrew Thompson 
10602ac6454SAndrew Thompson 	/* XXX this is a tradeoff */
10702ac6454SAndrew Thompson 
10802ac6454SAndrew Thompson 	pause("WAIT", hz);
10902ac6454SAndrew Thompson }
11002ac6454SAndrew Thompson 
11102ac6454SAndrew Thompson void
11202ac6454SAndrew Thompson usb2_temp_unload(void *arg)
11302ac6454SAndrew Thompson {
11402ac6454SAndrew Thompson 	/* reset function pointers */
11502ac6454SAndrew Thompson 
11602ac6454SAndrew Thompson 	usb2_temp_get_desc_p = &usb2_temp_get_desc_w;
11702ac6454SAndrew Thompson 	usb2_temp_setup_by_index_p = &usb2_temp_setup_by_index_w;
11802ac6454SAndrew Thompson 	usb2_temp_unsetup_p = &usb2_temp_unsetup_w;
11902ac6454SAndrew Thompson 
12002ac6454SAndrew Thompson 	/* wait for CPU to exit the loaded functions, if any */
12102ac6454SAndrew Thompson 
12202ac6454SAndrew Thompson 	/* XXX this is a tradeoff */
12302ac6454SAndrew Thompson 
12402ac6454SAndrew Thompson 	pause("WAIT", hz);
12502ac6454SAndrew Thompson }
12602ac6454SAndrew Thompson 
12702ac6454SAndrew Thompson void
12802ac6454SAndrew Thompson usb2_bus_unload(void *arg)
12902ac6454SAndrew Thompson {
13002ac6454SAndrew Thompson 	/* reset function pointers */
13102ac6454SAndrew Thompson 
13202ac6454SAndrew Thompson 	usb2_devclass_ptr = NULL;
13302ac6454SAndrew Thompson 
13402ac6454SAndrew Thompson 	/* wait for CPU to exit the loaded functions, if any */
13502ac6454SAndrew Thompson 
13602ac6454SAndrew Thompson 	/* XXX this is a tradeoff */
13702ac6454SAndrew Thompson 
13802ac6454SAndrew Thompson 	pause("WAIT", hz);
13902ac6454SAndrew Thompson }
14002ac6454SAndrew Thompson 
14102ac6454SAndrew Thompson void
14202ac6454SAndrew Thompson usb2_test_huawei_unload(void *arg)
14302ac6454SAndrew Thompson {
14402ac6454SAndrew Thompson 	/* reset function pointers */
14502ac6454SAndrew Thompson 
14602ac6454SAndrew Thompson 	usb2_test_huawei_autoinst_p = &usb2_test_huawei_autoinst_w;
14702ac6454SAndrew Thompson 
14802ac6454SAndrew Thompson 	/* wait for CPU to exit the loaded functions, if any */
14902ac6454SAndrew Thompson 
15002ac6454SAndrew Thompson 	/* XXX this is a tradeoff */
15102ac6454SAndrew Thompson 
15202ac6454SAndrew Thompson 	pause("WAIT", 16*hz);
15302ac6454SAndrew Thompson }
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