Lines Matching +full:io +full:- +full:multiplex
1 // SPDX-License-Identifier: GPL-2.0
6 * Copyright (C) 2010-2021 Johan Hovold (johan@kernel.org)
10 * control thanks to Munir Nassar nassarmu@real-time.com
54 { USB_DEVICE(0x0404, 0x034C) }, /* NCR Retail IO Box */
55 { USB_DEVICE(0x045B, 0x0053) }, /* Renesas RX610 RX-Stick */
56 { USB_DEVICE(0x0471, 0x066A) }, /* AKTAKOM ACE-1001 cable */
57 { USB_DEVICE(0x0489, 0xE000) }, /* Pirelli Broadband S.p.A, DP-L10 SIP/GSM Mobile */
58 { USB_DEVICE(0x0489, 0xE003) }, /* Pirelli Broadband S.p.A, DP-L10 SIP/GSM Mobile */
61 { USB_DEVICE(0x08e6, 0x5501) }, /* Gemalto Prox-PU/CU contactless smartcard reader */
66 { USB_DEVICE(0x0BED, 0x1100) }, /* MEI (TM) Cashflow-SC Bill/Voucher Acceptor */
71 { USB_DEVICE(0x0FDE, 0xCA05) }, /* OWL Wireless Electricity Monitor CM-160 */
73 { USB_DEVICE(0x10A6, 0xAA26) }, /* Knock-off DCU-11 cable */
75 { USB_DEVICE(0x10B5, 0xAC70) }, /* Nokia CA-42 USB */
79 { USB_DEVICE(0x10C4, 0x800A) }, /* SPORTident BSM7-D-USB main station */
80 { USB_DEVICE(0x10C4, 0x803B) }, /* Pololu USB-serial converter */
82 { USB_DEVICE(0x10C4, 0x804E) }, /* Software Bisque Paramount ME build-in converter */
86 { USB_DEVICE(0x10C4, 0x8066) }, /* Argussoft In-System Programmer */
100 { USB_DEVICE(0x10C4, 0x815E) }, /* Helicomm IP-Link 1220-DVM */
108 { USB_DEVICE(0x10C4, 0x81A9) }, /* Multiplex RC Interface */
111 { USB_DEVICE(0x10C4, 0x81C8) }, /* Lipowsky Industrie Elektronik GmbH, Baby-JTAG */
112 { USB_DEVICE(0x10C4, 0x81D7) }, /* IAI Corp. RCB-CV-USB USB to RS485 Adaptor */
113 { USB_DEVICE(0x10C4, 0x81E2) }, /* Lipowsky Industrie Elektronik GmbH, Baby-LIN */
117 { USB_DEVICE(0x10C4, 0x8218) }, /* Lipowsky Industrie Elektronik GmbH, HARP-1 */
130 { USB_DEVICE(0x10C4, 0x83AA) }, /* Mark-10 Digital Force Gauge */
134 { USB_DEVICE(0x10C4, 0x8418) }, /* IRZ Automation Teleport SG-10 GSM/GPRS Modem */
142 { USB_DEVICE(0x10C4, 0x85EA) }, /* AC-Services IBUS-IF */
143 { USB_DEVICE(0x10C4, 0x85EB) }, /* AC-Services CIS-IBUS */
145 { USB_DEVICE(0x10C4, 0x8664) }, /* AC-Services CAN-IF */
146 { USB_DEVICE(0x10C4, 0x8665) }, /* AC-Services OBD-IF */
147 { USB_DEVICE(0x10C4, 0x8856) }, /* CEL EM357 ZigBee USB Stick - LR */
160 { USB_DEVICE(0x10C4, 0x8A2A) }, /* HubZ dual ZigBee and Z-Wave dongle */
166 { USB_DEVICE(0x10C4, 0xEA63) }, /* Silicon Labs Windows Update (CP2101-4/CP2102N) */
168 { USB_DEVICE(0x10C4, 0xEA71) }, /* Infinity GPS-MIC-1 Radio Monophone */
180 { USB_DEVICE(0x1555, 0x0004) }, /* Owen AC4 USB-RS485 Converter */
182 { USB_DEVICE(0x166A, 0x0201) }, /* Clipsal 5500PACA C-Bus Pascal Automation Controller */
183 { USB_DEVICE(0x166A, 0x0301) }, /* Clipsal 5800PC C-Bus Wireless PC Interface */
184 { USB_DEVICE(0x166A, 0x0303) }, /* Clipsal 5500PCU C-Bus USB interface */
185 { USB_DEVICE(0x166A, 0x0304) }, /* Clipsal 5000CT2 C-Bus Black and White Touchscreen */
186 { USB_DEVICE(0x166A, 0x0305) }, /* Clipsal C-5000CT2 C-Bus Spectrum Colour Touchscreen */
187 { USB_DEVICE(0x166A, 0x0401) }, /* Clipsal L51xx C-Bus Architectural Dimmer */
188 { USB_DEVICE(0x166A, 0x0101) }, /* Clipsal 5560884 C-Bus Multi-room Audio Matrix Switcher */
192 { USB_DEVICE(0x16DC, 0x0010) }, /* W-IE-NE-R Plein & Baus GmbH PL512 Power Supply */
193 …{ USB_DEVICE(0x16DC, 0x0011) }, /* W-IE-NE-R Plein & Baus GmbH RCM Remote Control for MARATON Powe…
194 { USB_DEVICE(0x16DC, 0x0012) }, /* W-IE-NE-R Plein & Baus GmbH MPOD Multi Channel Power Supply */
195 …{ USB_DEVICE(0x16DC, 0x0015) }, /* W-IE-NE-R Plein & Baus GmbH CML Control, Monitoring and Data Lo…
196 { USB_DEVICE(0x17A8, 0x0001) }, /* Kamstrup Optical Eye/3-wire */
197 { USB_DEVICE(0x17A8, 0x0005) }, /* Kamstrup M-Bus Master MultiPort 250D */
198 { USB_DEVICE(0x17A8, 0x0101) }, /* Kamstrup 868 MHz wM-Bus C-Mode Meter Reader (Int Ant) */
199 { USB_DEVICE(0x17A8, 0x0102) }, /* Kamstrup 868 MHz wM-Bus C-Mode Meter Reader (Ext Ant) */
202 { USB_DEVICE(0x18EF, 0xE00F) }, /* ELV USB-I2C-Interface */
213 { USB_DEVICE(0x199B, 0xBA30) }, /* LORD WSDA-200-USB */
218 { USB_DEVICE(0x1BE3, 0x07A6) }, /* WAGO 750-923 USB Service Cable */
220 { USB_DEVICE(0x1E29, 0x0102) }, /* Festo CPX-USB */
241 { USB_DEVICE(0x2184, 0x0030) }, /* GW Instek GDM-834x Digital Multimeter */
243 { USB_DEVICE(0x3195, 0xF190) }, /* Link Instruments MSO-19 */
244 { USB_DEVICE(0x3195, 0xF280) }, /* Link Instruments MSO-28 */
245 { USB_DEVICE(0x3195, 0xF281) }, /* Link Instruments MSO-28 */
443 * CP210X_PURGE - 16 bits passed in wValue of USB request.
570 …* See https://www.silabs.com/documents/public/application-notes/an978-cp210x-usb-to-uart-api-speci…
625 cur_altsetting = serial->interface->cur_altsetting; in cp210x_interface_num()
627 return cur_altsetting->desc.bInterfaceNumber; in cp210x_interface_num()
631 * Reads a variable-sized block of CP210X_ registers, identified by req.
637 struct usb_serial *serial = port->serial; in cp210x_read_reg_block()
642 result = usb_control_msg_recv(serial->dev, 0, req, in cp210x_read_reg_block()
644 port_priv->bInterfaceNumber, buf, bufsize, in cp210x_read_reg_block()
647 dev_err(&port->dev, "failed get req 0x%x size %d status: %d\n", in cp210x_read_reg_block()
656 * Reads any 8-bit CP210X_ register identified by req.
664 * Reads a variable-sized vendor block of CP210X_ registers, identified by val.
672 result = usb_control_msg_recv(serial->dev, 0, CP210X_VENDOR_SPECIFIC, in cp210x_read_vendor_block()
676 dev_err(&serial->interface->dev, in cp210x_read_vendor_block()
686 * Writes any 16-bit CP210X_ register (req) whose value is passed
691 struct usb_serial *serial = port->serial; in cp210x_write_u16_reg()
695 result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), in cp210x_write_u16_reg()
697 port_priv->bInterfaceNumber, NULL, 0, in cp210x_write_u16_reg()
700 dev_err(&port->dev, "failed set request 0x%x status: %d\n", in cp210x_write_u16_reg()
708 * Writes a variable-sized block of CP210X_ registers, identified by req.
714 struct usb_serial *serial = port->serial; in cp210x_write_reg_block()
718 result = usb_control_msg_send(serial->dev, 0, req, in cp210x_write_reg_block()
720 port_priv->bInterfaceNumber, buf, bufsize, in cp210x_write_reg_block()
723 dev_err(&port->dev, "failed set req 0x%x size %d status: %d\n", in cp210x_write_reg_block()
732 * Writes any 32-bit CP210X_ register identified by req.
745 * Writes a variable-sized vendor block of CP210X_ registers, identified by val.
753 result = usb_control_msg_send(serial->dev, 0, CP210X_VENDOR_SPECIFIC, in cp210x_write_vendor_block()
757 dev_err(&serial->interface->dev, in cp210x_write_vendor_block()
774 dev_err(&port->dev, "%s - Unable to enable UART\n", __func__); in cp210x_open()
789 port_priv->event_mode = false; in cp210x_open()
805 /* Disabling the interface disables event-insertion mode. */ in cp210x_close()
806 port_priv->event_mode = false; in cp210x_close()
812 port->icount.brk++; in cp210x_process_lsr()
815 port->icount.parity++; in cp210x_process_lsr()
818 port->icount.frame++; in cp210x_process_lsr()
823 port->icount.overrun++; in cp210x_process_lsr()
824 tty_insert_flip_char(&port->port, 0, TTY_OVERRUN); in cp210x_process_lsr()
832 switch (port_priv->event_state) { in cp210x_process_char()
835 port_priv->event_state = ES_ESCAPE; in cp210x_process_char()
842 dev_dbg(&port->dev, "%s - escape char\n", __func__); in cp210x_process_char()
844 port_priv->event_state = ES_DATA; in cp210x_process_char()
847 port_priv->event_state = ES_LSR_DATA_0; in cp210x_process_char()
850 port_priv->event_state = ES_LSR; in cp210x_process_char()
853 port_priv->event_state = ES_MSR; in cp210x_process_char()
856 dev_err(&port->dev, "malformed event 0x%02x\n", *ch); in cp210x_process_char()
857 port_priv->event_state = ES_DATA; in cp210x_process_char()
862 port_priv->lsr = *ch; in cp210x_process_char()
863 port_priv->event_state = ES_LSR_DATA_1; in cp210x_process_char()
866 dev_dbg(&port->dev, "%s - lsr = 0x%02x, data = 0x%02x\n", in cp210x_process_char()
867 __func__, port_priv->lsr, *ch); in cp210x_process_char()
868 cp210x_process_lsr(port, port_priv->lsr, flag); in cp210x_process_char()
869 port_priv->event_state = ES_DATA; in cp210x_process_char()
872 dev_dbg(&port->dev, "%s - lsr = 0x%02x\n", __func__, *ch); in cp210x_process_char()
873 port_priv->lsr = *ch; in cp210x_process_char()
874 cp210x_process_lsr(port, port_priv->lsr, flag); in cp210x_process_char()
875 port_priv->event_state = ES_DATA; in cp210x_process_char()
878 dev_dbg(&port->dev, "%s - msr = 0x%02x\n", __func__, *ch); in cp210x_process_char()
880 port_priv->event_state = ES_DATA; in cp210x_process_char()
889 struct usb_serial_port *port = urb->context; in cp210x_process_read_urb()
891 unsigned char *ch = urb->transfer_buffer; in cp210x_process_read_urb()
895 if (!urb->actual_length) in cp210x_process_read_urb()
898 if (port_priv->event_mode) { in cp210x_process_read_urb()
899 for (i = 0; i < urb->actual_length; i++, ch++) { in cp210x_process_read_urb()
905 tty_insert_flip_char(&port->port, *ch, flag); in cp210x_process_read_urb()
908 tty_insert_flip_string(&port->port, ch, urb->actual_length); in cp210x_process_read_urb()
910 tty_flip_buffer_push(&port->port); in cp210x_process_read_urb()
919 struct usb_serial *serial = port->serial; in cp210x_get_tx_queue_byte_count()
924 result = usb_control_msg_recv(serial->dev, 0, CP210X_GET_COMM_STATUS, in cp210x_get_tx_queue_byte_count()
926 port_priv->bInterfaceNumber, &sts, sizeof(sts), in cp210x_get_tx_queue_byte_count()
929 dev_err(&port->dev, "failed to get comm status: %d\n", result); in cp210x_get_tx_queue_byte_count()
1046 struct usb_serial *serial = port->serial; in cp210x_change_speed()
1056 baud = clamp(tty->termios.c_ospeed, priv->min_speed, priv->max_speed); in cp210x_change_speed()
1058 if (priv->use_actual_rate) in cp210x_change_speed()
1063 dev_dbg(&port->dev, "%s - setting baud rate to %u\n", __func__, baud); in cp210x_change_speed()
1065 dev_warn(&port->dev, "failed to set baud rate to %u\n", baud); in cp210x_change_speed()
1067 baud = old_termios->c_ospeed; in cp210x_change_speed()
1077 struct cp210x_serial_private *priv = usb_get_serial_data(port->serial); in cp210x_enable_event_mode()
1081 if (port_priv->event_mode) in cp210x_enable_event_mode()
1084 if (priv->no_event_mode) in cp210x_enable_event_mode()
1087 port_priv->event_state = ES_DATA; in cp210x_enable_event_mode()
1088 port_priv->event_mode = true; in cp210x_enable_event_mode()
1092 dev_err(&port->dev, "failed to enable events: %d\n", ret); in cp210x_enable_event_mode()
1093 port_priv->event_mode = false; in cp210x_enable_event_mode()
1102 if (!port_priv->event_mode) in cp210x_disable_event_mode()
1107 dev_err(&port->dev, "failed to disable events: %d\n", ret); in cp210x_disable_event_mode()
1111 port_priv->event_mode = false; in cp210x_disable_event_mode()
1118 iflag_change = ((a->c_iflag ^ b->c_iflag) & (INPCK | IXON | IXOFF)); in cp210x_termios_change()
1119 cc_change = a->c_cc[VSTART] != b->c_cc[VSTART] || in cp210x_termios_change()
1120 a->c_cc[VSTOP] != b->c_cc[VSTOP]; in cp210x_termios_change()
1129 struct cp210x_serial_private *priv = usb_get_serial_data(port->serial); in cp210x_set_flow_control()
1142 if (priv->no_flow_control) { in cp210x_set_flow_control()
1143 tty->termios.c_cflag &= ~CRTSCTS; in cp210x_set_flow_control()
1144 tty->termios.c_iflag &= ~(IXON | IXOFF); in cp210x_set_flow_control()
1148 C_CRTSCTS(tty) == (old_termios->c_cflag & CRTSCTS) && in cp210x_set_flow_control()
1149 I_IXON(tty) == (old_termios->c_iflag & IXON) && in cp210x_set_flow_control()
1150 I_IXOFF(tty) == (old_termios->c_iflag & IXOFF) && in cp210x_set_flow_control()
1151 START_CHAR(tty) == old_termios->c_cc[VSTART] && in cp210x_set_flow_control()
1152 STOP_CHAR(tty) == old_termios->c_cc[VSTOP]) { in cp210x_set_flow_control()
1165 dev_err(&port->dev, "failed to set special chars: %d\n", in cp210x_set_flow_control()
1170 mutex_lock(&port_priv->mutex); in cp210x_set_flow_control()
1184 if (port_priv->dtr) in cp210x_set_flow_control()
1192 if (port_priv->rts) in cp210x_set_flow_control()
1199 if (port_priv->rts) in cp210x_set_flow_control()
1220 dev_dbg(&port->dev, "%s - ctrl = 0x%02x, flow = 0x%02x\n", __func__, in cp210x_set_flow_control()
1231 port_priv->crtscts = crtscts; in cp210x_set_flow_control()
1233 mutex_unlock(&port_priv->mutex); in cp210x_set_flow_control()
1240 struct cp210x_serial_private *priv = usb_get_serial_data(port->serial); in cp210x_set_termios()
1244 if (old_termios && !cp210x_termios_change(&tty->termios, old_termios)) in cp210x_set_termios()
1247 if (!old_termios || tty->termios.c_ospeed != old_termios->c_ospeed) in cp210x_set_termios()
1250 /* CP2101 only supports CS8, 1 stop bit and non-stick parity. */ in cp210x_set_termios()
1251 if (priv->partnum == CP210X_PARTNUM_CP2101) { in cp210x_set_termios()
1252 tty->termios.c_cflag &= ~(CSIZE | CSTOPB | CMSPAR); in cp210x_set_termios()
1253 tty->termios.c_cflag |= CS8; in cp210x_set_termios()
1295 dev_err(&port->dev, "failed to set line control: %d\n", ret); in cp210x_set_termios()
1300 * Enable event-insertion mode only if input parity checking is in cp210x_set_termios()
1312 struct usb_serial_port *port = tty->driver_data; in cp210x_tiocmset()
1325 mutex_lock(&port_priv->mutex); in cp210x_tiocmset_port()
1328 port_priv->rts = true; in cp210x_tiocmset_port()
1333 port_priv->dtr = true; in cp210x_tiocmset_port()
1338 port_priv->rts = false; in cp210x_tiocmset_port()
1343 port_priv->dtr = false; in cp210x_tiocmset_port()
1349 * Use SET_FLOW to set DTR and enable/disable auto-RTS when hardware in cp210x_tiocmset_port()
1352 if (port_priv->crtscts && control & CONTROL_WRITE_RTS) { in cp210x_tiocmset_port()
1362 if (port_priv->dtr) in cp210x_tiocmset_port()
1368 if (port_priv->rts) in cp210x_tiocmset_port()
1376 dev_dbg(&port->dev, "%s - ctrl = 0x%02x, flow = 0x%02x\n", in cp210x_tiocmset_port()
1382 dev_dbg(&port->dev, "%s - control = 0x%04x\n", __func__, control); in cp210x_tiocmset_port()
1387 mutex_unlock(&port_priv->mutex); in cp210x_tiocmset_port()
1402 struct usb_serial_port *port = tty->driver_data; in cp210x_tiocmget()
1417 dev_dbg(&port->dev, "%s - control = 0x%02x\n", __func__, control); in cp210x_tiocmget()
1424 struct usb_serial_port *port = tty->driver_data; in cp210x_break_ctl()
1431 dev_dbg(&port->dev, "%s - turning break %s\n", __func__, in cp210x_break_ctl()
1446 result = usb_autopm_get_interface(serial->interface); in cp210x_gpio_get()
1450 switch (priv->partnum) { in cp210x_gpio_get()
1469 usb_autopm_put_interface(serial->interface); in cp210x_gpio_get()
1496 result = usb_autopm_get_interface(serial->interface); in cp210x_gpio_set()
1500 switch (priv->partnum) { in cp210x_gpio_set()
1519 result = usb_control_msg(serial->dev, in cp210x_gpio_set()
1520 usb_sndctrlpipe(serial->dev, 0), in cp210x_gpio_set()
1529 usb_autopm_put_interface(serial->interface); in cp210x_gpio_set()
1532 dev_err(&serial->interface->dev, "failed to set GPIO value: %d\n", in cp210x_gpio_set()
1542 return priv->gpio_input & BIT(gpio); in cp210x_gpio_direction_get()
1550 if (priv->partnum == CP210X_PARTNUM_CP2105) { in cp210x_gpio_direction_input()
1552 return -ENOTSUPP; in cp210x_gpio_direction_input()
1555 /* push-pull pins cannot be changed to be inputs */ in cp210x_gpio_direction_input()
1556 if (priv->gpio_pushpull & BIT(gpio)) in cp210x_gpio_direction_input()
1557 return -EINVAL; in cp210x_gpio_direction_input()
1562 priv->gpio_input |= BIT(gpio); in cp210x_gpio_direction_input()
1573 priv->gpio_input &= ~BIT(gpio); in cp210x_gpio_direction_output()
1588 (priv->gpio_pushpull & BIT(gpio))) in cp210x_gpio_set_config()
1592 !(priv->gpio_pushpull & BIT(gpio))) in cp210x_gpio_set_config()
1595 return -ENOTSUPP; in cp210x_gpio_set_config()
1603 struct device *dev = &serial->interface->dev; in cp210x_gpio_init_valid_mask()
1604 unsigned long altfunc_mask = priv->gpio_altfunc; in cp210x_gpio_init_valid_mask()
1644 /* 2 banks of GPIO - One for the pins taken from each serial port */ in cp2105_gpioconf_init()
1646 priv->gc.ngpio = 2; in cp2105_gpioconf_init()
1650 priv->gpio_altfunc = 0xff; in cp2105_gpioconf_init()
1655 priv->gpio_pushpull = (u8)((le16_to_cpu(config.gpio_mode) & in cp2105_gpioconf_init()
1659 priv->gc.ngpio = 3; in cp2105_gpioconf_init()
1663 priv->gpio_altfunc = 0xff; in cp2105_gpioconf_init()
1668 priv->gpio_pushpull = (u8)((le16_to_cpu(config.gpio_mode) & in cp2105_gpioconf_init()
1672 return -ENODEV; in cp2105_gpioconf_init()
1677 priv->gpio_altfunc |= BIT(0); in cp2105_gpioconf_init()
1680 priv->gpio_altfunc |= BIT(1); in cp2105_gpioconf_init()
1683 priv->gpio_input = 0; in cp2105_gpioconf_init()
1703 priv->gc.ngpio = 4; in cp2104_gpioconf_init()
1706 priv->gpio_pushpull = (u8)((le16_to_cpu(config.gpio_mode) & in cp2104_gpioconf_init()
1715 priv->gpio_altfunc |= BIT(0); in cp2104_gpioconf_init()
1717 priv->gpio_altfunc |= BIT(1); in cp2104_gpioconf_init()
1719 priv->gpio_altfunc |= BIT(2); in cp2104_gpioconf_init()
1726 for (i = 0; i < priv->gc.ngpio; ++i) { in cp2104_gpioconf_init()
1728 * Set direction to "input" iff pin is open-drain and reset in cp2104_gpioconf_init()
1731 if (!(priv->gpio_pushpull & BIT(i)) && (gpio_latch & BIT(i))) in cp2104_gpioconf_init()
1732 priv->gpio_input |= BIT(i); in cp2104_gpioconf_init()
1752 priv->gc.ngpio = 16; in cp2108_gpio_init()
1753 priv->gpio_pushpull = le16_to_cpu(config.reset_state.gpio_mode_pb1); in cp2108_gpio_init()
1760 * https://www.silabs.com/documents/public/data-sheets/cp2108-datasheet.pdf in cp2108_gpio_init()
1768 priv->gpio_altfunc |= BIT(i * 4); in cp2108_gpio_init()
1770 priv->gpio_altfunc |= BIT((i * 4) + 1); in cp2108_gpio_init()
1772 priv->gpio_altfunc |= BIT((i * 4) + 2); in cp2108_gpio_init()
1774 priv->gpio_altfunc |= BIT((i * 4) + 3); in cp2108_gpio_init()
1781 for (i = 0; i < priv->gc.ngpio; ++i) { in cp2108_gpio_init()
1783 * Set direction to "input" iff pin is open-drain and reset in cp2108_gpio_init()
1786 if (!(priv->gpio_pushpull & BIT(i)) && (gpio_latch & BIT(i))) in cp2108_gpio_init()
1787 priv->gpio_input |= BIT(i); in cp2108_gpio_init()
1811 … https://www.silabs.com/community/interface/knowledge-base.entry.html/2017/03/31/cp2102n_setconfig… in cp2102n_gpioconf_init()
1815 return -ENOMEM; in cp2102n_gpioconf_init()
1836 return -ENOTSUPP; in cp2102n_gpioconf_init()
1838 priv->gc.ngpio = 4; in cp2102n_gpioconf_init()
1842 * the direction of an open-drain pin. in cp2102n_gpioconf_init()
1846 /* 0 indicates open-drain mode, 1 is push-pull */ in cp2102n_gpioconf_init()
1847 priv->gpio_pushpull = (gpio_pushpull >> 3) & 0x0f; in cp2102n_gpioconf_init()
1850 if (priv->partnum == CP210X_PARTNUM_CP2102N_QFN20) { in cp2102n_gpioconf_init()
1853 priv->gpio_altfunc |= BIT(0); in cp2102n_gpioconf_init()
1855 priv->gpio_altfunc |= BIT(1); in cp2102n_gpioconf_init()
1857 priv->gpio_altfunc |= BIT(2); in cp2102n_gpioconf_init()
1859 priv->gpio_altfunc |= BIT(3); in cp2102n_gpioconf_init()
1861 priv->gpio_altfunc = (gpio_ctrl >> 2) & 0x0f; in cp2102n_gpioconf_init()
1864 if (priv->partnum == CP210X_PARTNUM_CP2102N_QFN28) { in cp2102n_gpioconf_init()
1866 * For the QFN28 package, GPIO4-6 are controlled by in cp2102n_gpioconf_init()
1872 priv->gc.ngpio = 7; in cp2102n_gpioconf_init()
1874 priv->gpio_pushpull |= (gpio_pushpull & 7) << 4; in cp2102n_gpioconf_init()
1879 * it only knows open-drain and push-pull modes which is set at in cp2102n_gpioconf_init()
1880 * factory. An open-drain pin can function both as an in cp2102n_gpioconf_init()
1881 * input or an output. We emulate input mode for open-drain pins in cp2102n_gpioconf_init()
1883 * push-pull pins to be set as an input. in cp2102n_gpioconf_init()
1885 for (i = 0; i < priv->gc.ngpio; ++i) { in cp2102n_gpioconf_init()
1887 * Set direction to "input" iff pin is open-drain and reset in cp2102n_gpioconf_init()
1890 if (!(priv->gpio_pushpull & BIT(i)) && (gpio_latch & BIT(i))) in cp2102n_gpioconf_init()
1891 priv->gpio_input |= BIT(i); in cp2102n_gpioconf_init()
1902 switch (priv->partnum) { in cp210x_gpio_init()
1930 priv->gc.label = "cp210x"; in cp210x_gpio_init()
1931 priv->gc.get_direction = cp210x_gpio_direction_get; in cp210x_gpio_init()
1932 priv->gc.direction_input = cp210x_gpio_direction_input; in cp210x_gpio_init()
1933 priv->gc.direction_output = cp210x_gpio_direction_output; in cp210x_gpio_init()
1934 priv->gc.get = cp210x_gpio_get; in cp210x_gpio_init()
1935 priv->gc.set = cp210x_gpio_set; in cp210x_gpio_init()
1936 priv->gc.set_config = cp210x_gpio_set_config; in cp210x_gpio_init()
1937 priv->gc.init_valid_mask = cp210x_gpio_init_valid_mask; in cp210x_gpio_init()
1938 priv->gc.owner = THIS_MODULE; in cp210x_gpio_init()
1939 priv->gc.parent = &serial->interface->dev; in cp210x_gpio_init()
1940 priv->gc.base = -1; in cp210x_gpio_init()
1941 priv->gc.can_sleep = true; in cp210x_gpio_init()
1943 result = gpiochip_add_data(&priv->gc, serial); in cp210x_gpio_init()
1945 priv->gpio_registered = true; in cp210x_gpio_init()
1954 if (priv->gpio_registered) { in cp210x_gpio_remove()
1955 gpiochip_remove(&priv->gc); in cp210x_gpio_remove()
1956 priv->gpio_registered = false; in cp210x_gpio_remove()
1976 struct usb_serial *serial = port->serial; in cp210x_port_probe()
1981 return -ENOMEM; in cp210x_port_probe()
1983 port_priv->bInterfaceNumber = cp210x_interface_num(serial); in cp210x_port_probe()
1984 mutex_init(&port_priv->mutex); in cp210x_port_probe()
2006 switch (priv->partnum) { in cp210x_init_max_speed()
2041 priv->min_speed = min; in cp210x_init_max_speed()
2042 priv->max_speed = max; in cp210x_init_max_speed()
2043 priv->use_actual_rate = use_actual_rate; in cp210x_init_max_speed()
2056 * Some (possibly counterfeit) CP2102 do not support event-insertion in cp2102_determine_quirks()
2059 * two-byte part-number request. in cp2102_determine_quirks()
2061 ret = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), in cp2102_determine_quirks()
2065 dev_dbg(&serial->interface->dev, in cp2102_determine_quirks()
2066 "device does not support event-insertion mode\n"); in cp2102_determine_quirks()
2067 priv->no_event_mode = true; in cp2102_determine_quirks()
2084 dev_dbg(&serial->interface->dev, "%s - %d.%d.%d\n", __func__, in cp210x_get_fw_version()
2087 priv->fw_version = ver[0] << 16 | ver[1] << 8 | ver[2]; in cp210x_get_fw_version()
2098 CP210X_GET_PARTNUM, &priv->partnum, in cp210x_determine_type()
2099 sizeof(priv->partnum)); in cp210x_determine_type()
2101 dev_warn(&serial->interface->dev, in cp210x_determine_type()
2103 priv->partnum = CP210X_PARTNUM_UNKNOWN; in cp210x_determine_type()
2107 dev_dbg(&serial->interface->dev, "partnum = 0x%02x\n", priv->partnum); in cp210x_determine_type()
2109 switch (priv->partnum) { in cp210x_determine_type()
2123 if (priv->fw_version <= 0x10004) in cp210x_determine_type()
2124 priv->no_flow_control = true; in cp210x_determine_type()
2138 return -ENOMEM; in cp210x_attach()
2147 dev_err(&serial->interface->dev, "GPIO initialisation failed: %d\n", in cp210x_attach()