1 // SPDX-License-Identifier: GPL-2.0-or-later
124 	struct usb_device *udev = gspca_dev->dev;  in send_cmd()
126 	uint8_t *obuf = sd->obuf;  in send_cmd()
127 	uint8_t *ibuf = sd->ibuf;  in send_cmd()
131 	if (cmd_len & 1 || cmd_len > (0x400 - sizeof(*chdr))) {  in send_cmd()
133 		return -1;  in send_cmd()
136 	chdr->magic[0] = 0x47;  in send_cmd()
137 	chdr->magic[1] = 0x4d;  in send_cmd()
138 	chdr->cmd = cpu_to_le16(cmd);  in send_cmd()
139 	chdr->tag = cpu_to_le16(sd->cam_tag);  in send_cmd()
140 	chdr->len = cpu_to_le16(cmd_len / 2);  in send_cmd()
147 		  sd->cam_tag, cmd_len, res);  in send_cmd()
148 	if (res < 0) {  in send_cmd()
157 	if (actual_len < (int)sizeof(*rhdr)) {  in send_cmd()
160 		return actual_len < 0 ? actual_len : -EREMOTEIO;  in send_cmd()
162 	actual_len -= sizeof(*rhdr);  in send_cmd()
164 	if (rhdr->magic[0] != 0x52 || rhdr->magic[1] != 0x42) {  in send_cmd()
166 		       rhdr->magic[0], rhdr->magic[1]);  in send_cmd()
167 		return -1;  in send_cmd()
169 	if (rhdr->cmd != chdr->cmd) {  in send_cmd()
171 		       rhdr->cmd, chdr->cmd);  in send_cmd()
172 		return -1;  in send_cmd()
174 	if (rhdr->tag != chdr->tag) {  in send_cmd()
176 		       rhdr->tag, chdr->tag);  in send_cmd()
177 		return -1;  in send_cmd()
179 	if (le16_to_cpu(rhdr->len) != (actual_len/2)) {  in send_cmd()
181 		       le16_to_cpu(rhdr->len), (int)(actual_len/2));  in send_cmd()
182 		return -1;  in send_cmd()
185 	if (actual_len > reply_len) {  in send_cmd()
193 	sd->cam_tag++;  in send_cmd()
210 	if (res < 0)  in write_register()
212 	if (res != 2) {  in write_register()
224 	struct cam *cam;  in sd_config_video()  local
226 	sd->cam_tag = 0;  in sd_config_video()
228 	sd->stream_flag = 0x80;  in sd_config_video()
230 	cam = &gspca_dev->cam;  in sd_config_video()
232 	cam->cam_mode = video_camera_mode;  in sd_config_video()
233 	cam->nmodes = ARRAY_SIZE(video_camera_mode);  in sd_config_video()
235 	gspca_dev->xfer_ep = 0x81;  in sd_config_video()
237 #if 0  in sd_config_video()
239 	cam->npkt = 15;  in sd_config_video()
240 	gspca_dev->pkt_size = 960 * 2;  in sd_config_video()
250 	struct cam *cam;  in sd_config_depth()  local
252 	sd->cam_tag = 0;  in sd_config_depth()
254 	sd->stream_flag = 0x70;  in sd_config_depth()
256 	cam = &gspca_dev->cam;  in sd_config_depth()
258 	cam->cam_mode = depth_camera_mode;  in sd_config_depth()
259 	cam->nmodes = ARRAY_SIZE(depth_camera_mode);  in sd_config_depth()
261 	gspca_dev->xfer_ep = 0x82;  in sd_config_depth()
282 	mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;  in sd_start_video()
284 	if (mode & FORMAT_Y10B) {  in sd_start_video()
297 	if (mode & FORMAT_UYVY)  in sd_start_video()
302 	if (mode & MODE_1280x1024)  in sd_start_video()
307 	if (mode & FPS_HIGH)  in sd_start_video()
313 	/* turn off IR-reset function */  in sd_start_video()
326 	if (mode & (FORMAT_Y10B | MODE_1280x1024)) {  in sd_start_video()
348 	/* turn off IR-reset function */  in sd_start_depth()
385 	int datalen = len - sizeof(*hdr);  in sd_pkt_scan()
387 	uint8_t sof = sd->stream_flag | 1;  in sd_pkt_scan()
388 	uint8_t mof = sd->stream_flag | 2;  in sd_pkt_scan()
389 	uint8_t eof = sd->stream_flag | 5;  in sd_pkt_scan()
391 	if (len < 12)  in sd_pkt_scan()
394 	if (hdr->magic[0] != 'R' || hdr->magic[1] != 'B') {  in sd_pkt_scan()
396 			sd->stream_flag, hdr->magic[0], hdr->magic[1]);  in sd_pkt_scan()
400 	if (hdr->flag == sof)  in sd_pkt_scan()
403 	else if (hdr->flag == mof)  in sd_pkt_scan()
406 	else if (hdr->flag == eof)  in sd_pkt_scan()
413 /* sub-driver description */
439 /* -- module initialisation -- */
448 /* -- device connect -- */
451 	if (depth_mode)  in sd_probe()