usb/gspca/stv0680.c

28 	struct gspca_dev gspca_dev;		/* !! must be the first item */
35 static int stv_sndctrl(struct gspca_dev *gspca_dev, int set, u8 req, u16 val,
45 		pipe = usb_rcvctrlpipe(gspca_dev->dev, 0);
49 		pipe = usb_sndctrlpipe(gspca_dev->dev, 0);
53 		pipe = usb_rcvctrlpipe(gspca_dev->dev, 0);
57 		pipe = usb_sndctrlpipe(gspca_dev->dev, 0);
61 	ret = usb_control_msg(gspca_dev->dev, pipe,
63 			      val, 0, gspca_dev->usb_buf, size, 500);
72 static int stv0680_handle_error(struct gspca_dev *gspca_dev, int ret)
74 	stv_sndctrl(gspca_dev, 0, 0x80, 0, 0x02); /* Get Last Error */
75 	gspca_err(gspca_dev, "last error: %i,  command = 0x%x\n",
76 		  gspca_dev->usb_buf[0], gspca_dev->usb_buf[1]);
80 static int stv0680_get_video_mode(struct gspca_dev *gspca_dev)
83 	memset(gspca_dev->usb_buf, 0, 8);
84 	gspca_dev->usb_buf[0] = 0x0f;
86 	if (stv_sndctrl(gspca_dev, 0, 0x87, 0, 0x08) != 0x08) {
87 		gspca_err(gspca_dev, "Get_Camera_Mode failed\n");
88 		return stv0680_handle_error(gspca_dev, -EIO);
91 	return gspca_dev->usb_buf[0]; /* 01 = VGA, 03 = QVGA, 00 = CIF */
94 static int stv0680_set_video_mode(struct gspca_dev *gspca_dev, u8 mode)
96 	struct sd *sd = (struct sd *) gspca_dev;
101 	memset(gspca_dev->usb_buf, 0, 8);
102 	gspca_dev->usb_buf[0] = mode;
104 	if (stv_sndctrl(gspca_dev, 3, 0x07, 0x0100, 0x08) != 0x08) {
105 		gspca_err(gspca_dev, "Set_Camera_Mode failed\n");
106 		return stv0680_handle_error(gspca_dev, -EIO);
110 	if (stv0680_get_video_mode(gspca_dev) != mode) {
111 		gspca_err(gspca_dev, "Error setting camera video mode!\n");
121 static int sd_config(struct gspca_dev *gspca_dev,
125 	struct sd *sd = (struct sd *) gspca_dev;
126 	struct cam *cam = &gspca_dev->cam;
133 	if (stv_sndctrl(gspca_dev, 0, 0x88, 0x5678, 0x02) != 0x02 ||
134 	    gspca_dev->usb_buf[0] != 0x56 || gspca_dev->usb_buf[1] != 0x78) {
135 		gspca_err(gspca_dev, "STV(e): camera ping failed!!\n");
136 		return stv0680_handle_error(gspca_dev, -ENODEV);
140 	if (stv_sndctrl(gspca_dev, 2, 0x06, 0x0200, 0x09) != 0x09)
141 		return stv0680_handle_error(gspca_dev, -ENODEV);
143 	if (stv_sndctrl(gspca_dev, 2, 0x06, 0x0200, 0x22) != 0x22 ||
144 	    gspca_dev->usb_buf[7] != 0xa0 || gspca_dev->usb_buf[8] != 0x23) {
145 		gspca_err(gspca_dev, "Could not get descriptor 0200\n");
146 		return stv0680_handle_error(gspca_dev, -ENODEV);
148 	if (stv_sndctrl(gspca_dev, 0, 0x8a, 0, 0x02) != 0x02)
149 		return stv0680_handle_error(gspca_dev, -ENODEV);
150 	if (stv_sndctrl(gspca_dev, 0, 0x8b, 0, 0x24) != 0x24)
151 		return stv0680_handle_error(gspca_dev, -ENODEV);
152 	if (stv_sndctrl(gspca_dev, 0, 0x85, 0, 0x10) != 0x10)
153 		return stv0680_handle_error(gspca_dev, -ENODEV);
155 	if (!(gspca_dev->usb_buf[7] & 0x09)) {
156 		gspca_err(gspca_dev, "Camera supports neither CIF nor QVGA mode\n");
159 	if (gspca_dev->usb_buf[7] & 0x01)
160 		gspca_dbg(gspca_dev, D_PROBE, "Camera supports CIF mode\n");
161 	if (gspca_dev->usb_buf[7] & 0x02)
162 		gspca_dbg(gspca_dev, D_PROBE, "Camera supports VGA mode\n");
163 	if (gspca_dev->usb_buf[7] & 0x04)
164 		gspca_dbg(gspca_dev, D_PROBE, "Camera supports QCIF mode\n");
165 	if (gspca_dev->usb_buf[7] & 0x08)
166 		gspca_dbg(gspca_dev, D_PROBE, "Camera supports QVGA mode\n");
168 	if (gspca_dev->usb_buf[7] & 0x01)
174 	gspca_dbg(gspca_dev, D_PROBE, "Firmware rev is %i.%i\n",
175 		  gspca_dev->usb_buf[0], gspca_dev->usb_buf[1]);
176 	gspca_dbg(gspca_dev, D_PROBE, "ASIC rev is %i.%i",
177 		  gspca_dev->usb_buf[2], gspca_dev->usb_buf[3]);
178 	gspca_dbg(gspca_dev, D_PROBE, "Sensor ID is %i",
179 		  (gspca_dev->usb_buf[4]*16) + (gspca_dev->usb_buf[5]>>4));
182 	ret = stv0680_get_video_mode(gspca_dev);
187 	ret = stv0680_set_video_mode(gspca_dev, sd->video_mode);
192 	if (stv_sndctrl(gspca_dev, 0, 0x8f, 0, 0x10) != 0x10)
193 		return stv0680_handle_error(gspca_dev, -EIO);
197 	cam->bulk_size = (gspca_dev->usb_buf[0] << 24) |
198 			 (gspca_dev->usb_buf[1] << 16) |
199 			 (gspca_dev->usb_buf[2] << 8) |
200 			 (gspca_dev->usb_buf[3]);
201 	sd->mode.width = (gspca_dev->usb_buf[4] << 8) |
202 			 (gspca_dev->usb_buf[5]);  /* 322, 356, 644 */
203 	sd->mode.height = (gspca_dev->usb_buf[6] << 8) |
204 			  (gspca_dev->usb_buf[7]); /* 242, 292, 484 */
211 	/* origGain = gspca_dev->usb_buf[12]; */
217 	ret = stv0680_set_video_mode(gspca_dev, sd->orig_mode);
221 	if (stv_sndctrl(gspca_dev, 2, 0x06, 0x0100, 0x12) != 0x12 ||
222 	    gspca_dev->usb_buf[8] != 0x53 || gspca_dev->usb_buf[9] != 0x05) {
224 		return stv0680_handle_error(gspca_dev, -EIO);
231 static int sd_init(struct gspca_dev *gspca_dev)
237 static int sd_start(struct gspca_dev *gspca_dev)
240 	struct sd *sd = (struct sd *) gspca_dev;
242 	ret = stv0680_set_video_mode(gspca_dev, sd->video_mode);
246 	if (stv_sndctrl(gspca_dev, 0, 0x85, 0, 0x10) != 0x10)
247 		return stv0680_handle_error(gspca_dev, -EIO);
253 	if (stv_sndctrl(gspca_dev, 1, 0x09, sd->video_mode << 8, 0x0) != 0x0)
254 		return stv0680_handle_error(gspca_dev, -EIO);
259 static void sd_stopN(struct gspca_dev *gspca_dev)
262 	if (stv_sndctrl(gspca_dev, 1, 0x04, 0x0000, 0x0) != 0x0)
263 		stv0680_handle_error(gspca_dev, -EIO);
266 static void sd_stop0(struct gspca_dev *gspca_dev)
268 	struct sd *sd = (struct sd *) gspca_dev;
270 	if (!sd->gspca_dev.present)
273 	stv0680_set_video_mode(gspca_dev, sd->orig_mode);
276 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
280 	struct sd *sd = (struct sd *) gspca_dev;
287 		gspca_dev->last_packet_type = DISCARD_PACKET;
294 	gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
297 	gspca_frame_add(gspca_dev, FIRST_PACKET, data, len);