usb/gspca/tv8532.c

17 	struct gspca_dev gspca_dev;	/* !! must be the first item */
105 static void reg_w1(struct gspca_dev *gspca_dev,
108 	gspca_dev->usb_buf[0] = value;
109 	usb_control_msg(gspca_dev->dev,
110 			usb_sndctrlpipe(gspca_dev->dev, 0),
114 			index, gspca_dev->usb_buf, 1, 500);
118 static void reg_w2(struct gspca_dev *gspca_dev,
121 	gspca_dev->usb_buf[0] = value;
122 	gspca_dev->usb_buf[1] = value >> 8;
123 	usb_control_msg(gspca_dev->dev,
124 			usb_sndctrlpipe(gspca_dev->dev, 0),
128 			index, gspca_dev->usb_buf, 2, 500);
131 static void tv_8532WriteEEprom(struct gspca_dev *gspca_dev)
135 	reg_w1(gspca_dev, R01_TIMING_CONTROL_LOW, CMD_EEprom_Open);
137 		reg_w1(gspca_dev, R03_TABLE_ADDR, i);
138 		reg_w1(gspca_dev, R04_WTRAM_DATA_L, eeprom_data[i][2]);
139 		reg_w1(gspca_dev, R05_WTRAM_DATA_M, eeprom_data[i][1]);
140 		reg_w1(gspca_dev, R06_WTRAM_DATA_H, eeprom_data[i][0]);
141 		reg_w1(gspca_dev, R08_RAM_WRITE_ACTION, 0);
143 	reg_w1(gspca_dev, R07_TABLE_LEN, i);
144 	reg_w1(gspca_dev, R01_TIMING_CONTROL_LOW, CMD_EEprom_Close);
148 static int sd_config(struct gspca_dev *gspca_dev,
153 	cam = &gspca_dev->cam;
160 static void tv_8532_setReg(struct gspca_dev *gspca_dev)
162 	reg_w1(gspca_dev, R3B_Test3, 0x0a);	/* Test0Sel = 10 */
164 	reg_w1(gspca_dev, R0E_AD_HEIGHTL, 0x90);
165 	reg_w1(gspca_dev, R0F_AD_HEIGHTH, 0x01);
166 	reg_w2(gspca_dev, R1C_AD_EXPOSE_TIMEL, 0x018f);
167 	reg_w1(gspca_dev, R10_AD_COL_BEGINL, 0x44);
169 	reg_w1(gspca_dev, R11_AD_COL_BEGINH, 0x00);
171 	reg_w1(gspca_dev, R14_AD_ROW_BEGINL, 0x0a);
173 	reg_w1(gspca_dev, R94_AD_BITCONTROL, 0x02);
174 	reg_w1(gspca_dev, R91_AD_SLOPEREG, 0x00);
175 	reg_w1(gspca_dev, R00_PART_CONTROL, LATENT_CHANGE | EXPO_CHANGE);
180 static int sd_init(struct gspca_dev *gspca_dev)
182 	tv_8532WriteEEprom(gspca_dev);
187 static void setexposure(struct gspca_dev *gspca_dev, s32 val)
189 	reg_w2(gspca_dev, R1C_AD_EXPOSE_TIMEL, val);
190 	reg_w1(gspca_dev, R00_PART_CONTROL, LATENT_CHANGE | EXPO_CHANGE);
194 static void setgain(struct gspca_dev *gspca_dev, s32 val)
196 	reg_w2(gspca_dev, R20_GAIN_G1L, val);
197 	reg_w2(gspca_dev, R22_GAIN_RL, val);
198 	reg_w2(gspca_dev, R24_GAIN_BL, val);
199 	reg_w2(gspca_dev, R26_GAIN_G2L, val);
203 static int sd_start(struct gspca_dev *gspca_dev)
205 	struct sd *sd = (struct sd *) gspca_dev;
207 	reg_w1(gspca_dev, R0C_AD_WIDTHL, 0xe8);		/* 0x20; 0x0c */
208 	reg_w1(gspca_dev, R0D_AD_WIDTHH, 0x03);
211 	reg_w1(gspca_dev, R28_QUANT, 0x90);
213 	if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) {
215 		reg_w1(gspca_dev, R29_LINE, 0x41);
219 		reg_w1(gspca_dev, R29_LINE, 0x81);
223 	reg_w1(gspca_dev, R2C_POLARITY, 0x10);		/* slow clock */
224 	reg_w1(gspca_dev, R2D_POINT, 0x14);
225 	reg_w1(gspca_dev, R2E_POINTH, 0x01);
226 	reg_w1(gspca_dev, R2F_POINTB, 0x12);
227 	reg_w1(gspca_dev, R30_POINTBH, 0x01);
229 	tv_8532_setReg(gspca_dev);
232 	reg_w1(gspca_dev, R31_UPD, 0x01);	/* update registers */
234 	reg_w1(gspca_dev, R31_UPD, 0x00);	/* end update */
236 	gspca_dev->empty_packet = 0;		/* check the empty packets */
242 static void sd_stopN(struct gspca_dev *gspca_dev)
244 	reg_w1(gspca_dev, R3B_Test3, 0x0b);	/* Test0Sel = 11 = GPIO */
247 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
251 	struct sd *sd = (struct sd *) gspca_dev;
255 	if (gspca_dev->empty_packet) {
256 		gspca_dev->empty_packet = 0;
257 		sd->packet = gspca_dev->pixfmt.height / 2;
272 	gspca_frame_add(gspca_dev, packet_type0,
273 			data + 2, gspca_dev->pixfmt.width);
274 	gspca_frame_add(gspca_dev, packet_type1,
275 			data + gspca_dev->pixfmt.width + 5,
276 			gspca_dev->pixfmt.width);
281 	struct gspca_dev *gspca_dev =
282 		container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
284 	gspca_dev->usb_err = 0;
286 	if (!gspca_dev->streaming)
291 		setexposure(gspca_dev, ctrl->val);
294 		setgain(gspca_dev, ctrl->val);
297 	return gspca_dev->usb_err;
304 static int sd_init_controls(struct gspca_dev *gspca_dev)
306 	struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
308 	gspca_dev->vdev.ctrl_handler = hdl;