100 	struct us_data *us;  member
158 static int init_realtek_cr(struct us_data *us);
201 static int rts51x_bulk_transport(struct us_data *us, u8 lun,  in rts51x_bulk_transport()  argument
205 	struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *)us->iobuf;  in rts51x_bulk_transport()
206 	struct bulk_cs_wrap *bcs = (struct bulk_cs_wrap *)us->iobuf;  in rts51x_bulk_transport()
216 	bcb->Tag = ++us->tag;  in rts51x_bulk_transport()
225 	result = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,  in rts51x_bulk_transport()
235 		    us->recv_bulk_pipe : us->send_bulk_pipe;  in rts51x_bulk_transport()
236 		result = usb_stor_bulk_transfer_buf(us, pipe,  in rts51x_bulk_transport()
243 	result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,  in rts51x_bulk_transport()
250 		usb_stor_dbg(us, "Signature mismatch: got %08X, expecting %08X\n",  in rts51x_bulk_transport()
256 	if (bcs->Tag != us->tag)  in rts51x_bulk_transport()
291 static int rts51x_bulk_transport_special(struct us_data *us, u8 lun,  in rts51x_bulk_transport_special()  argument
295 	struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;  in rts51x_bulk_transport_special()
296 	struct bulk_cs_wrap *bcs = (struct bulk_cs_wrap *) us->iobuf;  in rts51x_bulk_transport_special()
305 	bcb->Tag = ++us->tag;  in rts51x_bulk_transport_special()
314 	result = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,  in rts51x_bulk_transport_special()
324 				us->recv_bulk_pipe : us->send_bulk_pipe;  in rts51x_bulk_transport_special()
325 		result = usb_stor_bulk_transfer_buf(us, pipe,  in rts51x_bulk_transport_special()
332 	result = usb_bulk_msg(us->pusb_dev, us->recv_bulk_pipe, bcs,  in rts51x_bulk_transport_special()
338 static int rts51x_get_max_lun(struct us_data *us)  in rts51x_get_max_lun()  argument
343 	us->iobuf[0] = 0;  in rts51x_get_max_lun()
344 	result = usb_stor_control_msg(us, us->recv_ctrl_pipe,  in rts51x_get_max_lun()
348 				      0, us->ifnum, us->iobuf, 1, 10 * HZ);  in rts51x_get_max_lun()
350 	usb_stor_dbg(us, "GetMaxLUN command result is %d, data is %d\n",  in rts51x_get_max_lun()
351 		     result, us->iobuf[0]);  in rts51x_get_max_lun()
355 		return us->iobuf[0];  in rts51x_get_max_lun()
360 static int rts51x_read_mem(struct us_data *us, u16 addr, u8 *data, u16 len)  in rts51x_read_mem()  argument
370 	usb_stor_dbg(us, "addr = 0x%x, len = %d\n", addr, len);  in rts51x_read_mem()
379 	retval = rts51x_bulk_transport(us, 0, cmnd, 12,  in rts51x_read_mem()
391 static int rts51x_write_mem(struct us_data *us, u16 addr, u8 *data, u16 len)  in rts51x_write_mem()  argument
401 	usb_stor_dbg(us, "addr = 0x%x, len = %d\n", addr, len);  in rts51x_write_mem()
410 	retval = rts51x_bulk_transport(us, 0, cmnd, 12,  in rts51x_write_mem()
419 static int rts51x_read_status(struct us_data *us,  in rts51x_read_status()  argument
430 	usb_stor_dbg(us, "lun = %d\n", lun);  in rts51x_read_status()
435 	retval = rts51x_bulk_transport(us, lun, cmnd, 12,  in rts51x_read_status()
447 static int rts51x_check_status(struct us_data *us, u8 lun)  in rts51x_check_status()  argument
449 	struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra);  in rts51x_check_status()
453 	retval = rts51x_read_status(us, lun, buf, 16, &(chip->status_len));  in rts51x_check_status()
457 	usb_stor_dbg(us, "chip->status_len = %d\n", chip->status_len);  in rts51x_check_status()
478 static int enable_oscillator(struct us_data *us)  in enable_oscillator()  argument
483 	retval = rts51x_read_mem(us, 0xFE77, &value, 1);  in enable_oscillator()
488 	retval = rts51x_write_mem(us, 0xFE77, &value, 1);  in enable_oscillator()
492 	retval = rts51x_read_mem(us, 0xFE77, &value, 1);  in enable_oscillator()
502 static int __do_config_autodelink(struct us_data *us, u8 *data, u16 len)  in __do_config_autodelink()  argument
508 	usb_stor_dbg(us, "addr = 0xfe47, len = %d\n", len);  in __do_config_autodelink()
521 	retval = rts51x_bulk_transport_special(us, 0, cmnd, 12, buf, len, DMA_TO_DEVICE, NULL);  in __do_config_autodelink()
530 static int do_config_autodelink(struct us_data *us, int enable, int force)  in do_config_autodelink()  argument
535 	retval = rts51x_read_mem(us, 0xFE47, &value, 1);  in do_config_autodelink()
548 	usb_stor_dbg(us, "set 0xfe47 to 0x%x\n", value);  in do_config_autodelink()
551 	retval = __do_config_autodelink(us, &value, 1);  in do_config_autodelink()
558 static int config_autodelink_after_power_on(struct us_data *us)  in config_autodelink_after_power_on()  argument
560 	struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra);  in config_autodelink_after_power_on()
567 	retval = rts51x_read_mem(us, 0xFE47, &value, 1);  in config_autodelink_after_power_on()
582 		retval = __do_config_autodelink(us, &value, 1);  in config_autodelink_after_power_on()
586 		retval = enable_oscillator(us);  in config_autodelink_after_power_on()
588 			(void)do_config_autodelink(us, 1, 0);  in config_autodelink_after_power_on()
604 		retval = __do_config_autodelink(us, &value, 1);  in config_autodelink_after_power_on()
610 			retval = rts51x_write_mem(us, 0xFE79, &value, 1);  in config_autodelink_after_power_on()
615 			retval = rts51x_write_mem(us, 0x48, &value, 1);  in config_autodelink_after_power_on()
625 static int config_autodelink_before_power_down(struct us_data *us)  in config_autodelink_before_power_down()  argument
627 	struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra);  in config_autodelink_before_power_down()
635 		retval = rts51x_read_mem(us, 0xFE77, &value, 1);  in config_autodelink_before_power_down()
640 		retval = rts51x_write_mem(us, 0xFE77, &value, 1);  in config_autodelink_before_power_down()
646 			retval = rts51x_write_mem(us, 0x48, &value, 1);  in config_autodelink_before_power_down()
651 		retval = rts51x_read_mem(us, 0xFE47, &value, 1);  in config_autodelink_before_power_down()
658 		retval = rts51x_write_mem(us, 0xFE77, &value, 1);  in config_autodelink_before_power_down()
665 			retval = rts51x_read_mem(us, 0xFE47, &value, 1);  in config_autodelink_before_power_down()
679 			retval = __do_config_autodelink(us, &value, 1);  in config_autodelink_before_power_down()
686 			retval = rts51x_write_mem(us, 0x48, &value, 1);  in config_autodelink_before_power_down()
695 static void fw5895_init(struct us_data *us)  in fw5895_init()  argument
697 	struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra);  in fw5895_init()
702 		usb_stor_dbg(us, "Not the specified device, return immediately!\n");  in fw5895_init()
704 		retval = rts51x_read_mem(us, 0xFD6F, &val, 1);  in fw5895_init()
707 			retval = rts51x_write_mem(us, 0xFD70, &val, 1);  in fw5895_init()
709 				usb_stor_dbg(us, "Write memory fail\n");  in fw5895_init()
711 			usb_stor_dbg(us, "Read memory fail, OR (val & 0x1F) != 0\n");  in fw5895_init()
718 static void fw5895_set_mmc_wp(struct us_data *us)  in fw5895_set_mmc_wp()  argument
720 	struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra);  in fw5895_set_mmc_wp()
725 		usb_stor_dbg(us, "Not the specified device, return immediately!\n");  in fw5895_set_mmc_wp()
727 		retval = rts51x_read_mem(us, 0xFD6F, buf, 1);  in fw5895_set_mmc_wp()
730 			retval = rts51x_read_mem(us, 0xD04E, buf, 1);  in fw5895_set_mmc_wp()
733 				retval = rts51x_write_mem(us, 0xFD70, buf, 1);  in fw5895_set_mmc_wp()
735 					usb_stor_dbg(us, "Write memory fail\n");  in fw5895_set_mmc_wp()
737 				usb_stor_dbg(us, "Read memory fail\n");  in fw5895_set_mmc_wp()
740 			usb_stor_dbg(us, "Read memory fail, OR (buf[0]&0x24)!=0x24\n");  in fw5895_set_mmc_wp()
747 	struct us_data *us = chip->us;  in rts51x_modi_suspend_timer()  local
749 	usb_stor_dbg(us, "state:%d\n", rts51x_get_stat(chip));  in rts51x_modi_suspend_timer()
758 	struct us_data *us = chip->us;  in rts51x_suspend_timer_fn()  local
767 		usb_stor_dbg(us, "RTS51X_STAT_SS, power.usage:%d\n",  in rts51x_suspend_timer_fn()
768 			     atomic_read(&us->pusb_intf->dev.power.usage_count));  in rts51x_suspend_timer_fn()
770 		if (atomic_read(&us->pusb_intf->dev.power.usage_count) > 0) {  in rts51x_suspend_timer_fn()
771 			usb_stor_dbg(us, "Ready to enter SS state\n");  in rts51x_suspend_timer_fn()
774 			pm_suspend_ignore_children(&us->pusb_intf->dev, true);  in rts51x_suspend_timer_fn()
775 			usb_autopm_put_interface_async(us->pusb_intf);  in rts51x_suspend_timer_fn()
776 			usb_stor_dbg(us, "RTS51X_STAT_SS 01, power.usage:%d\n",  in rts51x_suspend_timer_fn()
777 				     atomic_read(&us->pusb_intf->dev.power.usage_count));  in rts51x_suspend_timer_fn()
781 		usb_stor_dbg(us, "Unknown state !!!\n");  in rts51x_suspend_timer_fn()
796 static void rts51x_invoke_transport(struct scsi_cmnd *srb, struct us_data *us)  in rts51x_invoke_transport()  argument
798 	struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra);  in rts51x_invoke_transport()
809 		usb_stor_dbg(us, "working scsi, power.usage:%d\n",  in rts51x_invoke_transport()
810 			     atomic_read(&us->pusb_intf->dev.power.usage_count));  in rts51x_invoke_transport()
812 		if (atomic_read(&us->pusb_intf->dev.power.usage_count) <= 0) {  in rts51x_invoke_transport()
813 			ret = usb_autopm_get_interface(us->pusb_intf);  in rts51x_invoke_transport()
814 			usb_stor_dbg(us, "working scsi, ret=%d\n", ret);  in rts51x_invoke_transport()
818 		chip->proto_handler_backup(srb, us);  in rts51x_invoke_transport()
821 			usb_stor_dbg(us, "NOT working scsi\n");  in rts51x_invoke_transport()
832 				usb_stor_dbg(us, "TEST_UNIT_READY\n");  in rts51x_invoke_transport()
845 				usb_stor_dbg(us, "ALLOW_MEDIUM_REMOVAL\n");  in rts51x_invoke_transport()
849 			usb_stor_dbg(us, "NOT working scsi, not SS\n");  in rts51x_invoke_transport()
850 			chip->proto_handler_backup(srb, us);  in rts51x_invoke_transport()
857 						fw5895_set_mmc_wp(us);  in rts51x_invoke_transport()
869 	usb_stor_dbg(us, "state:%d\n", rts51x_get_stat(chip));  in rts51x_invoke_transport()
874 static int realtek_cr_autosuspend_setup(struct us_data *us)  in realtek_cr_autosuspend_setup()  argument
881 	chip = (struct rts51x_chip *)us->extra;  in realtek_cr_autosuspend_setup()
887 	retval = rts51x_read_status(us, 0, buf, 16, &(chip->status_len));  in realtek_cr_autosuspend_setup()
889 		usb_stor_dbg(us, "Read status fail\n");  in realtek_cr_autosuspend_setup()
910 	chip = (struct rts51x_chip *)(us->extra);  in realtek_cr_autosuspend_setup()
911 	chip->proto_handler_backup = us->proto_handler;  in realtek_cr_autosuspend_setup()
913 	pm_runtime_set_autosuspend_delay(&us->pusb_dev->dev, 0);  in realtek_cr_autosuspend_setup()
915 	us->proto_handler = rts51x_invoke_transport;  in realtek_cr_autosuspend_setup()
919 	fw5895_init(us);  in realtek_cr_autosuspend_setup()
922 	usb_enable_autosuspend(us->pusb_dev);  in realtek_cr_autosuspend_setup()
947 	struct us_data *us = usb_get_intfdata(iface);  in realtek_cr_suspend()  local
950 	mutex_lock(&us->dev_mutex);  in realtek_cr_suspend()
952 	config_autodelink_before_power_down(us);  in realtek_cr_suspend()
954 	mutex_unlock(&us->dev_mutex);  in realtek_cr_suspend()
961 	struct us_data *us = usb_get_intfdata(iface);  in realtek_cr_resume()  local
963 	fw5895_init(us);  in realtek_cr_resume()
964 	config_autodelink_after_power_on(us);  in realtek_cr_resume()
973 static int init_realtek_cr(struct us_data *us)  in init_realtek_cr()  argument
982 	us->extra = chip;  in init_realtek_cr()
983 	us->extra_destructor = realtek_cr_destructor;  in init_realtek_cr()
984 	us->max_lun = chip->max_lun = rts51x_get_max_lun(us);  in init_realtek_cr()
985 	chip->us = us;  in init_realtek_cr()
987 	usb_stor_dbg(us, "chip->max_lun = %d\n", chip->max_lun);  in init_realtek_cr()
995 		retval = rts51x_check_status(us, (u8) i);  in init_realtek_cr()
1012 		realtek_cr_autosuspend_setup(us);  in init_realtek_cr()
1015 	usb_stor_dbg(us, "chip->flag = 0x%x\n", chip->flag);  in init_realtek_cr()
1017 	(void)config_autodelink_after_power_on(us);  in init_realtek_cr()
1022 	if (us->extra) {  in init_realtek_cr()
1024 		kfree(us->extra);  in init_realtek_cr()
1025 		us->extra = NULL;  in init_realtek_cr()
1036 	struct us_data *us;  in realtek_cr_probe()  local
1041 	result = usb_stor_probe1(&us, intf, id,  in realtek_cr_probe()
1048 	result = usb_stor_probe2(us);  in realtek_cr_probe()