108 	struct us_data *us;  member
166 static int init_realtek_cr(struct us_data *us);
209 static int rts51x_bulk_transport(struct us_data *us, u8 lun,  in rts51x_bulk_transport()  argument
213 	struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *)us->iobuf;  in rts51x_bulk_transport()
214 	struct bulk_cs_wrap *bcs = (struct bulk_cs_wrap *)us->iobuf;  in rts51x_bulk_transport()
224 	bcb->Tag = ++us->tag;  in rts51x_bulk_transport()
233 	result = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,  in rts51x_bulk_transport()
243 		    us->recv_bulk_pipe : us->send_bulk_pipe;  in rts51x_bulk_transport()
244 		result = usb_stor_bulk_transfer_buf(us, pipe,  in rts51x_bulk_transport()
251 	result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,  in rts51x_bulk_transport()
258 		usb_stor_dbg(us, "Signature mismatch: got %08X, expecting %08X\n",  in rts51x_bulk_transport()
264 	if (bcs->Tag != us->tag)  in rts51x_bulk_transport()
296 static int rts51x_bulk_transport_special(struct us_data *us, u8 lun,  in rts51x_bulk_transport_special()  argument
300 	struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;  in rts51x_bulk_transport_special()
301 	struct bulk_cs_wrap *bcs = (struct bulk_cs_wrap *) us->iobuf;  in rts51x_bulk_transport_special()
310 	bcb->Tag = ++us->tag;  in rts51x_bulk_transport_special()
319 	result = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,  in rts51x_bulk_transport_special()
329 				us->recv_bulk_pipe : us->send_bulk_pipe;  in rts51x_bulk_transport_special()
330 		result = usb_stor_bulk_transfer_buf(us, pipe,  in rts51x_bulk_transport_special()
337 	result = usb_bulk_msg(us->pusb_dev, us->recv_bulk_pipe, bcs,  in rts51x_bulk_transport_special()
343 static int rts51x_get_max_lun(struct us_data *us)  in rts51x_get_max_lun()  argument
348 	us->iobuf[0] = 0;  in rts51x_get_max_lun()
349 	result = usb_stor_control_msg(us, us->recv_ctrl_pipe,  in rts51x_get_max_lun()
353 				      0, us->ifnum, us->iobuf, 1, 10 * HZ);  in rts51x_get_max_lun()
355 	usb_stor_dbg(us, "GetMaxLUN command result is %d, data is %d\n",  in rts51x_get_max_lun()
356 		     result, us->iobuf[0]);  in rts51x_get_max_lun()
360 		return us->iobuf[0];  in rts51x_get_max_lun()
365 static int rts51x_read_mem(struct us_data *us, u16 addr, u8 *data, u16 len)  in rts51x_read_mem()  argument
375 	usb_stor_dbg(us, "addr = 0x%x, len = %d\n", addr, len);  in rts51x_read_mem()
384 	retval = rts51x_bulk_transport(us, 0, cmnd, 12,  in rts51x_read_mem()
396 static int rts51x_write_mem(struct us_data *us, u16 addr, u8 *data, u16 len)  in rts51x_write_mem()  argument
406 	usb_stor_dbg(us, "addr = 0x%x, len = %d\n", addr, len);  in rts51x_write_mem()
415 	retval = rts51x_bulk_transport(us, 0, cmnd, 12,  in rts51x_write_mem()
424 static int rts51x_read_status(struct us_data *us,  in rts51x_read_status()  argument
435 	usb_stor_dbg(us, "lun = %d\n", lun);  in rts51x_read_status()
440 	retval = rts51x_bulk_transport(us, lun, cmnd, 12,  in rts51x_read_status()
452 static int rts51x_check_status(struct us_data *us, u8 lun)  in rts51x_check_status()  argument
454 	struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra);  in rts51x_check_status()
458 	retval = rts51x_read_status(us, lun, buf, 16, &(chip->status_len));  in rts51x_check_status()
462 	usb_stor_dbg(us, "chip->status_len = %d\n", chip->status_len);  in rts51x_check_status()
483 static int enable_oscillator(struct us_data *us)  in enable_oscillator()  argument
488 	retval = rts51x_read_mem(us, 0xFE77, &value, 1);  in enable_oscillator()
493 	retval = rts51x_write_mem(us, 0xFE77, &value, 1);  in enable_oscillator()
497 	retval = rts51x_read_mem(us, 0xFE77, &value, 1);  in enable_oscillator()
507 static int __do_config_autodelink(struct us_data *us, u8 *data, u16 len)  in __do_config_autodelink()  argument
513 	usb_stor_dbg(us, "addr = 0xfe47, len = %d\n", len);  in __do_config_autodelink()
526 	retval = rts51x_bulk_transport_special(us, 0, cmnd, 12, buf, len, DMA_TO_DEVICE, NULL);  in __do_config_autodelink()
535 static int do_config_autodelink(struct us_data *us, int enable, int force)  in do_config_autodelink()  argument
540 	retval = rts51x_read_mem(us, 0xFE47, &value, 1);  in do_config_autodelink()
553 	usb_stor_dbg(us, "set 0xfe47 to 0x%x\n", value);  in do_config_autodelink()
556 	retval = __do_config_autodelink(us, &value, 1);  in do_config_autodelink()
563 static int config_autodelink_after_power_on(struct us_data *us)  in config_autodelink_after_power_on()  argument
565 	struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra);  in config_autodelink_after_power_on()
572 	retval = rts51x_read_mem(us, 0xFE47, &value, 1);  in config_autodelink_after_power_on()
587 		retval = __do_config_autodelink(us, &value, 1);  in config_autodelink_after_power_on()
591 		retval = enable_oscillator(us);  in config_autodelink_after_power_on()
593 			(void)do_config_autodelink(us, 1, 0);  in config_autodelink_after_power_on()
609 		retval = __do_config_autodelink(us, &value, 1);  in config_autodelink_after_power_on()
615 			retval = rts51x_write_mem(us, 0xFE79, &value, 1);  in config_autodelink_after_power_on()
620 			retval = rts51x_write_mem(us, 0x48, &value, 1);  in config_autodelink_after_power_on()
630 static int config_autodelink_before_power_down(struct us_data *us)  in config_autodelink_before_power_down()  argument
632 	struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra);  in config_autodelink_before_power_down()
640 		retval = rts51x_read_mem(us, 0xFE77, &value, 1);  in config_autodelink_before_power_down()
645 		retval = rts51x_write_mem(us, 0xFE77, &value, 1);  in config_autodelink_before_power_down()
651 			retval = rts51x_write_mem(us, 0x48, &value, 1);  in config_autodelink_before_power_down()
656 		retval = rts51x_read_mem(us, 0xFE47, &value, 1);  in config_autodelink_before_power_down()
663 		retval = rts51x_write_mem(us, 0xFE77, &value, 1);  in config_autodelink_before_power_down()
670 			retval = rts51x_read_mem(us, 0xFE47, &value, 1);  in config_autodelink_before_power_down()
684 			retval = __do_config_autodelink(us, &value, 1);  in config_autodelink_before_power_down()
691 			retval = rts51x_write_mem(us, 0x48, &value, 1);  in config_autodelink_before_power_down()
700 static void fw5895_init(struct us_data *us)  in fw5895_init()  argument
702 	struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra);  in fw5895_init()
707 		usb_stor_dbg(us, "Not the specified device, return immediately!\n");  in fw5895_init()
709 		retval = rts51x_read_mem(us, 0xFD6F, &val, 1);  in fw5895_init()
712 			retval = rts51x_write_mem(us, 0xFD70, &val, 1);  in fw5895_init()
714 				usb_stor_dbg(us, "Write memory fail\n");  in fw5895_init()
716 			usb_stor_dbg(us, "Read memory fail, OR (val & 0x1F) != 0\n");  in fw5895_init()
723 static void fw5895_set_mmc_wp(struct us_data *us)  in fw5895_set_mmc_wp()  argument
725 	struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra);  in fw5895_set_mmc_wp()
730 		usb_stor_dbg(us, "Not the specified device, return immediately!\n");  in fw5895_set_mmc_wp()
732 		retval = rts51x_read_mem(us, 0xFD6F, buf, 1);  in fw5895_set_mmc_wp()
735 			retval = rts51x_read_mem(us, 0xD04E, buf, 1);  in fw5895_set_mmc_wp()
738 				retval = rts51x_write_mem(us, 0xFD70, buf, 1);  in fw5895_set_mmc_wp()
740 					usb_stor_dbg(us, "Write memory fail\n");  in fw5895_set_mmc_wp()
742 				usb_stor_dbg(us, "Read memory fail\n");  in fw5895_set_mmc_wp()
745 			usb_stor_dbg(us, "Read memory fail, OR (buf[0]&0x24)!=0x24\n");  in fw5895_set_mmc_wp()
752 	struct us_data *us = chip->us;  in rts51x_modi_suspend_timer()  local
754 	usb_stor_dbg(us, "state:%d\n", rts51x_get_stat(chip));  in rts51x_modi_suspend_timer()
763 	struct us_data *us = chip->us;  in rts51x_suspend_timer_fn()  local
772 		usb_stor_dbg(us, "RTS51X_STAT_SS, intf->pm_usage_cnt:%d, power.usage:%d\n",  in rts51x_suspend_timer_fn()
773 			     atomic_read(&us->pusb_intf->pm_usage_cnt),  in rts51x_suspend_timer_fn()
774 			     atomic_read(&us->pusb_intf->dev.power.usage_count));  in rts51x_suspend_timer_fn()
776 		if (atomic_read(&us->pusb_intf->pm_usage_cnt) > 0) {  in rts51x_suspend_timer_fn()
777 			usb_stor_dbg(us, "Ready to enter SS state\n");  in rts51x_suspend_timer_fn()
780 			pm_suspend_ignore_children(&us->pusb_intf->dev, true);  in rts51x_suspend_timer_fn()
781 			usb_autopm_put_interface_async(us->pusb_intf);  in rts51x_suspend_timer_fn()
782 			usb_stor_dbg(us, "RTS51X_STAT_SS 01, intf->pm_usage_cnt:%d, power.usage:%d\n",  in rts51x_suspend_timer_fn()
783 				     atomic_read(&us->pusb_intf->pm_usage_cnt),  in rts51x_suspend_timer_fn()
784 				     atomic_read(&us->pusb_intf->dev.power.usage_count));  in rts51x_suspend_timer_fn()
788 		usb_stor_dbg(us, "Unknown state !!!\n");  in rts51x_suspend_timer_fn()
803 static void rts51x_invoke_transport(struct scsi_cmnd *srb, struct us_data *us)  in rts51x_invoke_transport()  argument
805 	struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra);  in rts51x_invoke_transport()
816 		usb_stor_dbg(us, "working scsi, intf->pm_usage_cnt:%d, power.usage:%d\n",  in rts51x_invoke_transport()
817 			     atomic_read(&us->pusb_intf->pm_usage_cnt),  in rts51x_invoke_transport()
818 			     atomic_read(&us->pusb_intf->dev.power.usage_count));  in rts51x_invoke_transport()
820 		if (atomic_read(&us->pusb_intf->pm_usage_cnt) <= 0) {  in rts51x_invoke_transport()
821 			ret = usb_autopm_get_interface(us->pusb_intf);  in rts51x_invoke_transport()
822 			usb_stor_dbg(us, "working scsi, ret=%d\n", ret);  in rts51x_invoke_transport()
826 		chip->proto_handler_backup(srb, us);  in rts51x_invoke_transport()
829 			usb_stor_dbg(us, "NOT working scsi\n");  in rts51x_invoke_transport()
840 				usb_stor_dbg(us, "TEST_UNIT_READY\n");  in rts51x_invoke_transport()
853 				usb_stor_dbg(us, "ALLOW_MEDIUM_REMOVAL\n");  in rts51x_invoke_transport()
857 			usb_stor_dbg(us, "NOT working scsi, not SS\n");  in rts51x_invoke_transport()
858 			chip->proto_handler_backup(srb, us);  in rts51x_invoke_transport()
865 						fw5895_set_mmc_wp(us);  in rts51x_invoke_transport()
877 	usb_stor_dbg(us, "state:%d\n", rts51x_get_stat(chip));  in rts51x_invoke_transport()
882 static int realtek_cr_autosuspend_setup(struct us_data *us)  in realtek_cr_autosuspend_setup()  argument
889 	chip = (struct rts51x_chip *)us->extra;  in realtek_cr_autosuspend_setup()
895 	retval = rts51x_read_status(us, 0, buf, 16, &(chip->status_len));  in realtek_cr_autosuspend_setup()
897 		usb_stor_dbg(us, "Read status fail\n");  in realtek_cr_autosuspend_setup()
918 	chip = (struct rts51x_chip *)(us->extra);  in realtek_cr_autosuspend_setup()
919 	chip->proto_handler_backup = us->proto_handler;  in realtek_cr_autosuspend_setup()
921 	pm_runtime_set_autosuspend_delay(&us->pusb_dev->dev, 0);  in realtek_cr_autosuspend_setup()
923 	us->proto_handler = rts51x_invoke_transport;  in realtek_cr_autosuspend_setup()
928 	fw5895_init(us);  in realtek_cr_autosuspend_setup()
931 	usb_enable_autosuspend(us->pusb_dev);  in realtek_cr_autosuspend_setup()
956 	struct us_data *us = usb_get_intfdata(iface);  in realtek_cr_suspend()  local
959 	mutex_lock(&us->dev_mutex);  in realtek_cr_suspend()
961 	config_autodelink_before_power_down(us);  in realtek_cr_suspend()
963 	mutex_unlock(&us->dev_mutex);  in realtek_cr_suspend()
970 	struct us_data *us = usb_get_intfdata(iface);  in realtek_cr_resume()  local
972 	fw5895_init(us);  in realtek_cr_resume()
973 	config_autodelink_after_power_on(us);  in realtek_cr_resume()
982 static int init_realtek_cr(struct us_data *us)  in init_realtek_cr()  argument
991 	us->extra = chip;  in init_realtek_cr()
992 	us->extra_destructor = realtek_cr_destructor;  in init_realtek_cr()
993 	us->max_lun = chip->max_lun = rts51x_get_max_lun(us);  in init_realtek_cr()
994 	chip->us = us;  in init_realtek_cr()
996 	usb_stor_dbg(us, "chip->max_lun = %d\n", chip->max_lun);  in init_realtek_cr()
1004 		retval = rts51x_check_status(us, (u8) i);  in init_realtek_cr()
1018 		realtek_cr_autosuspend_setup(us);  in init_realtek_cr()
1021 	usb_stor_dbg(us, "chip->flag = 0x%x\n", chip->flag);  in init_realtek_cr()
1023 	(void)config_autodelink_after_power_on(us);  in init_realtek_cr()
1028 	if (us->extra) {  in init_realtek_cr()
1030 		kfree(us->extra);  in init_realtek_cr()
1031 		us->extra = NULL;  in init_realtek_cr()
1040 	struct us_data *us;  in realtek_cr_probe()  local
1045 	result = usb_stor_probe1(&us, intf, id,  in realtek_cr_probe()
1051 	result = usb_stor_probe2(us);  in realtek_cr_probe()