1 // SPDX-License-Identifier: GPL-2.0-or-later
22  * 0x2000 bytes, so do the same. Note: reading more seems to work
24 #define FPIX_MAX_TRANSFER 0x2000
45 		.priv = 0}
50 		int order)	/* 0: reset, 1: frame request */  in command()
53 		{0xc6, 0, 0, 0, 0, 0, 0,    0, 0x20, 0, 0, 0},	/* reset */  in command()
54 		{0xd3, 0, 0, 0, 0, 0, 0, 0x01,    0, 0, 0, 0},	/* fr req */  in command()
57 	memcpy(gspca_dev->usb_buf, order_values[order], 12);  in command()
58 	return usb_control_msg(gspca_dev->dev,  in command()
59 			usb_sndctrlpipe(gspca_dev->dev, 0),  in command()
62 			USB_RECIP_INTERFACE, 0, 0, gspca_dev->usb_buf,  in command()
70  * threads attempting to use gspca_dev->usb_buf we take the usb_lock when
77 	struct gspca_dev *gspca_dev = &dev->gspca_dev;  in dostream()
78 	struct urb *urb = gspca_dev->urb[0];  in dostream()
79 	u8 *data = urb->transfer_buffer;  in dostream()
80 	int ret = 0;  in dostream()
87 	while (gspca_dev->present && gspca_dev->streaming) {  in dostream()
89 		if (gspca_dev->frozen)  in dostream()
94 		mutex_lock(&gspca_dev->usb_lock);  in dostream()
96 		mutex_unlock(&gspca_dev->usb_lock);  in dostream()
97 		if (ret < 0)  in dostream()
100 		if (gspca_dev->frozen)  in dostream()
103 		if (!gspca_dev->present || !gspca_dev->streaming)  in dostream()
108 			ret = usb_bulk_msg(gspca_dev->dev,  in dostream()
109 					urb->pipe,  in dostream()
113 			if (ret < 0) {  in dostream()
119 			if (gspca_dev->frozen)  in dostream()
122 			if (!gspca_dev->present || !gspca_dev->streaming)  in dostream()
125 				(data[len - 2] == 0xff &&  in dostream()
126 					data[len - 1] == 0xd9)) {  in dostream()
141 					gspca_dev->last_packet_type  in dostream()
162 	struct cam *cam = &gspca_dev->cam;  in sd_config()  local
164 	cam->cam_mode = fpix_mode;  in sd_config()
165 	cam->nmodes = 1;  in sd_config()
166 	cam->bulk = 1;  in sd_config()
167 	cam->bulk_size = FPIX_MAX_TRANSFER;  in sd_config()
169 	INIT_WORK(&dev->work_struct, dostream);  in sd_config()
171 	return 0;  in sd_config()
177 	return 0;  in sd_init()
187 	ret = command(gspca_dev, 0);  in sd_start()
188 	if (ret < 0) {  in sd_start()
195 	ret = usb_bulk_msg(gspca_dev->dev,  in sd_start()
196 			gspca_dev->urb[0]->pipe,  in sd_start()
197 			gspca_dev->urb[0]->transfer_buffer,  in sd_start()
200 	if (ret < 0) {  in sd_start()
207 	if (ret < 0) {  in sd_start()
213 	usb_clear_halt(gspca_dev->dev, gspca_dev->urb[0]->pipe);  in sd_start()
215 	schedule_work(&dev->work_struct);  in sd_start()
217 	return 0;  in sd_start()
220 /* called on streamoff with alt==0 and on disconnect */
221 /* the usb_lock is held at entry - restore on exit */
227 	mutex_unlock(&gspca_dev->usb_lock);  in sd_stop0()
228 	flush_work(&dev->work_struct);  in sd_stop0()
229 	mutex_lock(&gspca_dev->usb_lock);  in sd_stop0()
234 	{USB_DEVICE(0x04cb, 0x0104)},
235 	{USB_DEVICE(0x04cb, 0x0109)},
236 	{USB_DEVICE(0x04cb, 0x010b)},
237 	{USB_DEVICE(0x04cb, 0x010f)},
238 	{USB_DEVICE(0x04cb, 0x0111)},
239 	{USB_DEVICE(0x04cb, 0x0113)},
240 	{USB_DEVICE(0x04cb, 0x0115)},
241 	{USB_DEVICE(0x04cb, 0x0117)},
242 	{USB_DEVICE(0x04cb, 0x0119)},
243 	{USB_DEVICE(0x04cb, 0x011b)},
244 	{USB_DEVICE(0x04cb, 0x011d)},
245 	{USB_DEVICE(0x04cb, 0x0121)},
246 	{USB_DEVICE(0x04cb, 0x0123)},
247 	{USB_DEVICE(0x04cb, 0x0125)},
248 	{USB_DEVICE(0x04cb, 0x0127)},
249 	{USB_DEVICE(0x04cb, 0x0129)},
250 	{USB_DEVICE(0x04cb, 0x012b)},
251 	{USB_DEVICE(0x04cb, 0x012d)},
252 	{USB_DEVICE(0x04cb, 0x012f)},
253 	{USB_DEVICE(0x04cb, 0x0131)},
254 	{USB_DEVICE(0x04cb, 0x013b)},
255 	{USB_DEVICE(0x04cb, 0x013d)},
256 	{USB_DEVICE(0x04cb, 0x013f)},
262 /* sub-driver description */
271 /* -- device connect -- */