212 	struct v4l2_subdev sd;  member
240 static inline struct ov7670_info *to_state(struct v4l2_subdev *sd)  in to_state()  argument
242 	return container_of(sd, struct ov7670_info, sd);  in to_state()
247 	return &container_of(ctrl->handler, struct ov7670_info, hdl)->sd;  in to_sd()
459 static int ov7670_read_smbus(struct v4l2_subdev *sd, unsigned char reg,  in ov7670_read_smbus()  argument
462 	struct i2c_client *client = v4l2_get_subdevdata(sd);  in ov7670_read_smbus()
474 static int ov7670_write_smbus(struct v4l2_subdev *sd, unsigned char reg,  in ov7670_write_smbus()  argument
477 	struct i2c_client *client = v4l2_get_subdevdata(sd);  in ov7670_write_smbus()
488 static int ov7670_read_i2c(struct v4l2_subdev *sd, unsigned char reg,  in ov7670_read_i2c()  argument
491 	struct i2c_client *client = v4l2_get_subdevdata(sd);  in ov7670_read_i2c()
521 static int ov7670_write_i2c(struct v4l2_subdev *sd, unsigned char reg,  in ov7670_write_i2c()  argument
524 	struct i2c_client *client = v4l2_get_subdevdata(sd);  in ov7670_write_i2c()
541 static int ov7670_read(struct v4l2_subdev *sd, unsigned char reg,  in ov7670_read()  argument
544 	struct ov7670_info *info = to_state(sd);  in ov7670_read()
546 		return ov7670_read_smbus(sd, reg, value);  in ov7670_read()
548 		return ov7670_read_i2c(sd, reg, value);  in ov7670_read()
551 static int ov7670_write(struct v4l2_subdev *sd, unsigned char reg,  in ov7670_write()  argument
554 	struct ov7670_info *info = to_state(sd);  in ov7670_write()
556 		return ov7670_write_smbus(sd, reg, value);  in ov7670_write()
558 		return ov7670_write_i2c(sd, reg, value);  in ov7670_write()
564 static int ov7670_write_array(struct v4l2_subdev *sd, struct regval_list *vals)  in ov7670_write_array()  argument
567 		int ret = ov7670_write(sd, vals->reg_num, vals->value);  in ov7670_write_array()
579 static int ov7670_reset(struct v4l2_subdev *sd, u32 val)  in ov7670_reset()  argument
581 	ov7670_write(sd, REG_COM7, COM7_RESET);  in ov7670_reset()
587 static int ov7670_init(struct v4l2_subdev *sd, u32 val)  in ov7670_init()  argument
589 	return ov7670_write_array(sd, ov7670_default_regs);  in ov7670_init()
594 static int ov7670_detect(struct v4l2_subdev *sd)  in ov7670_detect()  argument
599 	ret = ov7670_init(sd, 0);  in ov7670_detect()
602 	ret = ov7670_read(sd, REG_MIDH, &v);  in ov7670_detect()
607 	ret = ov7670_read(sd, REG_MIDL, &v);  in ov7670_detect()
615 	ret = ov7670_read(sd, REG_PID, &v);  in ov7670_detect()
620 	ret = ov7670_read(sd, REG_VER, &v);  in ov7670_detect()
762 static void ov7675_get_framerate(struct v4l2_subdev *sd,  in ov7675_get_framerate()  argument
765 	struct ov7670_info *info = to_state(sd);  in ov7675_get_framerate()
783 static int ov7675_set_framerate(struct v4l2_subdev *sd,  in ov7675_set_framerate()  argument
786 	struct ov7670_info *info = to_state(sd);  in ov7675_set_framerate()
800 		ret = ov7670_write(sd, REG_DBLV, DBLV_BYPASS);  in ov7675_set_framerate()
803 		ret = ov7670_write(sd, REG_DBLV, DBLV_X4);  in ov7675_set_framerate()
830 	ov7675_get_framerate(sd, tpf);  in ov7675_set_framerate()
832 	ret = ov7670_write(sd, REG_CLKRC, info->clkrc);  in ov7675_set_framerate()
836 	return ov7670_write(sd, REG_DBLV, DBLV_X4);  in ov7675_set_framerate()
839 static void ov7670_get_framerate_legacy(struct v4l2_subdev *sd,  in ov7670_get_framerate_legacy()  argument
842 	struct ov7670_info *info = to_state(sd);  in ov7670_get_framerate_legacy()
850 static int ov7670_set_framerate_legacy(struct v4l2_subdev *sd,  in ov7670_set_framerate_legacy()  argument
853 	struct ov7670_info *info = to_state(sd);  in ov7670_set_framerate_legacy()
867 	return ov7670_write(sd, REG_CLKRC, info->clkrc);  in ov7670_set_framerate_legacy()
873 static int ov7670_set_hw(struct v4l2_subdev *sd, int hstart, int hstop,  in ov7670_set_hw()  argument
883 	ret =  ov7670_write(sd, REG_HSTART, (hstart >> 3) & 0xff);  in ov7670_set_hw()
884 	ret += ov7670_write(sd, REG_HSTOP, (hstop >> 3) & 0xff);  in ov7670_set_hw()
885 	ret += ov7670_read(sd, REG_HREF, &v);  in ov7670_set_hw()
888 	ret += ov7670_write(sd, REG_HREF, v);  in ov7670_set_hw()
892 	ret += ov7670_write(sd, REG_VSTART, (vstart >> 2) & 0xff);  in ov7670_set_hw()
893 	ret += ov7670_write(sd, REG_VSTOP, (vstop >> 2) & 0xff);  in ov7670_set_hw()
894 	ret += ov7670_read(sd, REG_VREF, &v);  in ov7670_set_hw()
897 	ret += ov7670_write(sd, REG_VREF, v);  in ov7670_set_hw()
902 static int ov7670_enum_mbus_code(struct v4l2_subdev *sd,  in ov7670_enum_mbus_code()  argument
913 static int ov7670_try_fmt_internal(struct v4l2_subdev *sd,  in ov7670_try_fmt_internal()  argument
920 	struct ov7670_info *info = to_state(sd);  in ov7670_try_fmt_internal()
977 static int ov7670_set_fmt(struct v4l2_subdev *sd,  in ov7670_set_fmt()  argument
983 	struct ov7670_info *info = to_state(sd);  in ov7670_set_fmt()
991 		ret = ov7670_try_fmt_internal(sd, &format->format, NULL, NULL);  in ov7670_set_fmt()
998 	ret = ov7670_try_fmt_internal(sd, &format->format, &ovfmt, &wsize);  in ov7670_set_fmt()
1010 	ov7670_write(sd, REG_COM7, com7);  in ov7670_set_fmt()
1014 	ov7670_write_array(sd, ovfmt->regs + 1);  in ov7670_set_fmt()
1015 	ov7670_set_hw(sd, wsize->hstart, wsize->hstop, wsize->vstart,  in ov7670_set_fmt()
1019 		ret = ov7670_write_array(sd, wsize->regs);  in ov7670_set_fmt()
1033 		ret = ov7670_write(sd, REG_CLKRC, info->clkrc);  in ov7670_set_fmt()
1041 static int ov7670_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms)  in ov7670_g_parm()  argument
1044 	struct ov7670_info *info = to_state(sd);  in ov7670_g_parm()
1051 	info->devtype->get_framerate(sd, &cp->timeperframe);  in ov7670_g_parm()
1056 static int ov7670_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms)  in ov7670_s_parm()  argument
1060 	struct ov7670_info *info = to_state(sd);  in ov7670_s_parm()
1067 	return info->devtype->set_framerate(sd, tpf);  in ov7670_s_parm()
1079 static int ov7670_enum_frame_interval(struct v4l2_subdev *sd,  in ov7670_enum_frame_interval()  argument
1083 	struct ov7670_info *info = to_state(sd);  in ov7670_enum_frame_interval()
1118 static int ov7670_enum_frame_size(struct v4l2_subdev *sd,  in ov7670_enum_frame_size()  argument
1122 	struct ov7670_info *info = to_state(sd);  in ov7670_enum_frame_size()
1155 static int ov7670_store_cmatrix(struct v4l2_subdev *sd,  in ov7670_store_cmatrix()  argument
1165 	ret = ov7670_read(sd, REG_CMATRIX_SIGN, &signbits);  in ov7670_store_cmatrix()
1184 		ret += ov7670_write(sd, REG_CMATRIX_BASE + i, raw);  in ov7670_store_cmatrix()
1186 	ret += ov7670_write(sd, REG_CMATRIX_SIGN, signbits);  in ov7670_store_cmatrix()
1269 static int ov7670_s_sat_hue(struct v4l2_subdev *sd, int sat, int hue)  in ov7670_s_sat_hue()  argument
1271 	struct ov7670_info *info = to_state(sd);  in ov7670_s_sat_hue()
1276 	ret = ov7670_store_cmatrix(sd, matrix);  in ov7670_s_sat_hue()
1292 static int ov7670_s_brightness(struct v4l2_subdev *sd, int value)  in ov7670_s_brightness()  argument
1297 	ov7670_read(sd, REG_COM8, &com8);  in ov7670_s_brightness()
1299 	ov7670_write(sd, REG_COM8, com8);  in ov7670_s_brightness()
1301 	ret = ov7670_write(sd, REG_BRIGHT, v);  in ov7670_s_brightness()
1305 static int ov7670_s_contrast(struct v4l2_subdev *sd, int value)  in ov7670_s_contrast()  argument
1307 	return ov7670_write(sd, REG_CONTRAS, (unsigned char) value);  in ov7670_s_contrast()
1310 static int ov7670_s_hflip(struct v4l2_subdev *sd, int value)  in ov7670_s_hflip()  argument
1315 	ret = ov7670_read(sd, REG_MVFP, &v);  in ov7670_s_hflip()
1321 	ret += ov7670_write(sd, REG_MVFP, v);  in ov7670_s_hflip()
1325 static int ov7670_s_vflip(struct v4l2_subdev *sd, int value)  in ov7670_s_vflip()  argument
1330 	ret = ov7670_read(sd, REG_MVFP, &v);  in ov7670_s_vflip()
1336 	ret += ov7670_write(sd, REG_MVFP, v);  in ov7670_s_vflip()
1346 static int ov7670_g_gain(struct v4l2_subdev *sd, __s32 *value)  in ov7670_g_gain()  argument
1351 	ret = ov7670_read(sd, REG_GAIN, &gain);  in ov7670_g_gain()
1356 static int ov7670_s_gain(struct v4l2_subdev *sd, int value)  in ov7670_s_gain()  argument
1361 	ret = ov7670_write(sd, REG_GAIN, value & 0xff);  in ov7670_s_gain()
1364 		ret = ov7670_read(sd, REG_COM8, &com8);  in ov7670_s_gain()
1365 		ret = ov7670_write(sd, REG_COM8, com8 & ~COM8_AGC);  in ov7670_s_gain()
1373 static int ov7670_s_autogain(struct v4l2_subdev *sd, int value)  in ov7670_s_autogain()  argument
1378 	ret = ov7670_read(sd, REG_COM8, &com8);  in ov7670_s_autogain()
1384 		ret = ov7670_write(sd, REG_COM8, com8);  in ov7670_s_autogain()
1389 static int ov7670_s_exp(struct v4l2_subdev *sd, int value)  in ov7670_s_exp()  argument
1394 	ret = ov7670_read(sd, REG_COM1, &com1) +  in ov7670_s_exp()
1395 		ov7670_read(sd, REG_COM8, &com8) +  in ov7670_s_exp()
1396 		ov7670_read(sd, REG_AECHH, &aechh);  in ov7670_s_exp()
1403 	ret = ov7670_write(sd, REG_COM1, com1) +  in ov7670_s_exp()
1404 		ov7670_write(sd, REG_AECH, aech) +  in ov7670_s_exp()
1405 		ov7670_write(sd, REG_AECHH, aechh);  in ov7670_s_exp()
1408 		ret = ov7670_write(sd, REG_COM8, com8 & ~COM8_AEC);  in ov7670_s_exp()
1415 static int ov7670_s_autoexp(struct v4l2_subdev *sd,  in ov7670_s_autoexp()  argument
1421 	ret = ov7670_read(sd, REG_COM8, &com8);  in ov7670_s_autoexp()
1427 		ret = ov7670_write(sd, REG_COM8, com8);  in ov7670_s_autoexp()
1435 	struct v4l2_subdev *sd = to_sd(ctrl);  in ov7670_g_volatile_ctrl()  local
1436 	struct ov7670_info *info = to_state(sd);  in ov7670_g_volatile_ctrl()
1440 		return ov7670_g_gain(sd, &info->gain->val);  in ov7670_g_volatile_ctrl()
1447 	struct v4l2_subdev *sd = to_sd(ctrl);  in ov7670_s_ctrl()  local
1448 	struct ov7670_info *info = to_state(sd);  in ov7670_s_ctrl()
1452 		return ov7670_s_brightness(sd, ctrl->val);  in ov7670_s_ctrl()
1454 		return ov7670_s_contrast(sd, ctrl->val);  in ov7670_s_ctrl()
1456 		return ov7670_s_sat_hue(sd,  in ov7670_s_ctrl()
1459 		return ov7670_s_vflip(sd, ctrl->val);  in ov7670_s_ctrl()
1461 		return ov7670_s_hflip(sd, ctrl->val);  in ov7670_s_ctrl()
1467 			return ov7670_s_gain(sd, info->gain->val);  in ov7670_s_ctrl()
1469 		return ov7670_s_autogain(sd, ctrl->val);  in ov7670_s_ctrl()
1475 			return ov7670_s_exp(sd, info->exposure->val);  in ov7670_s_ctrl()
1477 		return ov7670_s_autoexp(sd, ctrl->val);  in ov7670_s_ctrl()
1488 static int ov7670_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)  in ov7670_g_register()  argument
1493 	ret = ov7670_read(sd, reg->reg & 0xff, &val);  in ov7670_g_register()
1499 static int ov7670_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)  in ov7670_s_register()  argument
1501 	ov7670_write(sd, reg->reg & 0xff, reg->val & 0xff);  in ov7670_s_register()
1556 	struct v4l2_subdev *sd;  in ov7670_probe()  local
1563 	sd = &info->sd;  in ov7670_probe()
1564 	v4l2_i2c_subdev_init(sd, client, &ov7670_ops);  in ov7670_probe()
1593 	ret = ov7670_detect(sd);  in ov7670_probe()
1610 	info->devtype->set_framerate(sd, &tpf);  in ov7670_probe()
1613 		ov7670_write(sd, REG_COM10, COM10_PCLK_HB);  in ov7670_probe()
1637 	sd->ctrl_handler = &info->hdl;  in ov7670_probe()
1660 	struct v4l2_subdev *sd = i2c_get_clientdata(client);  in ov7670_remove()  local
1661 	struct ov7670_info *info = to_state(sd);  in ov7670_remove()
1663 	v4l2_device_unregister_subdev(sd);  in ov7670_remove()