FreeCalypso > hg > fc-linux-patch

annotate 4.19.152/0003-USB-serial-ftdi_sio-add-support-for-FreeCalypso-DUAR.patch @ 8:74040f3fc850

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
LTS-versions: add 6.6.y
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 24 Dec 2023 23:51:39 +0000
parents f7a2cd285016
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 From fc33d663016345d126387b0af6d21aa84817fb8f Mon Sep 17 00:00:00 2001
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 From: "Mychaela N. Falconia" <falcon@freecalypso.org>
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 Date: Fri, 2 Oct 2020 18:01:12 +0000
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 Subject: [PATCH 3/3] USB: serial: ftdi_sio: add support for FreeCalypso
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 DUART28C adapter
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 FreeCalypso DUART28C is an FT2232D-based USB to dual UART adapter
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 with a special quirk: Channel B RTS and DTR outputs (BDBUS2 and BDBUS4
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 on the chip) have been repurposed to drive PWON and RESET controls
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 on Calypso targets. The circuit is wired such that BDBUS[24] high
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 (RTS/DTR inactive) is the normal state with Iota VRPC controls
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 NOT activated, whereas BDBUS[24] low (RTS or DTR active) turn ON
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 the corresponding open drain control signal drivers.
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 A special ftdi_sio driver quirk is needed in order to suppress
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 automatic assertion of DTR & RTS on device open: this device's
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 special PWON and RESET control drivers MUST NOT be activated
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 when the port is ordinarily opened for plain serial communication,
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 instead they must only be activated when a special userspace
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 application explicitly requests such activation with a TIOCMBIS ioctl.
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 These special userspace applications are responsible for making the
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 needed pulse with a TIOCMBIS, delay, TIOCMBIC sequence.
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 The special quirk is conditionalized on the DUART28C adapter's custom
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 USB ID, and is further limited to FT2232D Channel B only: Channel A
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 is wired normally, with the chip's ADBUS2 and ADBUS4 outputs
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 actually being RTS and DTR rather than something else.
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 Signed-off-by: Mychaela N. Falconia <falcon@freecalypso.org>
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 ---
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 drivers/usb/serial/ftdi_sio.c | 61 +++++++++++++++++++++++++++++++++++----
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 drivers/usb/serial/ftdi_sio_ids.h | 1 +
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 2 files changed, 57 insertions(+), 5 deletions(-)
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 index 4117208ab68d..d9cfee691f91 100644
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 --- a/drivers/usb/serial/ftdi_sio.c
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 +++ b/drivers/usb/serial/ftdi_sio.c
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 @@ -68,6 +68,8 @@ struct ftdi_private {
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 this value */
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 int force_rtscts; /* if non-zero, force RTS-CTS to always
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 be enabled */
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 + int no_auto_dtr_rts; /* if non-zero, suppress automatic assertion
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 + of DTR & RTS on device open */
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 unsigned int latency; /* latency setting in use */
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 unsigned short max_packet_size;
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 @@ -87,6 +89,7 @@ static int ftdi_stmclite_probe(struct usb_serial *serial);
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 static int ftdi_8u2232c_probe(struct usb_serial *serial);
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 static void ftdi_USB_UIRT_setup(struct usb_serial_port *port);
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 static void ftdi_HE_TIRA1_setup(struct usb_serial_port *port);
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 +static void ftdi_duart28c_setup(struct usb_serial_port *port);
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 static const struct ftdi_sio_quirk ftdi_jtag_quirk = {
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55 .probe = ftdi_jtag_probe,
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 @@ -112,6 +115,10 @@ static const struct ftdi_sio_quirk ftdi_8u2232c_quirk = {
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57 .probe = ftdi_8u2232c_probe,
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 };
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 +static const struct ftdi_sio_quirk ftdi_duart28c_quirk = {
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61 + .port_probe = ftdi_duart28c_setup,
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62 +};
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 +
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
64 /*
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
65 * The 8U232AM has the same API as the sio except for:
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
66 * - it can support MUCH higher baudrates; up to:
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
67 @@ -1032,6 +1039,8 @@ static const struct usb_device_id id_table_combined[] = {
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
68 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
69 { USB_DEVICE(FTDI_VID, FTDI_FALCONIA_JTAG_UNBUF_PID),
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
70 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
71 + { USB_DEVICE(FTDI_VID, FTDI_FALCONIA_DUART28C_PID),
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
72 + .driver_info = (kernel_ulong_t)&ftdi_duart28c_quirk },
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
73 { } /* Terminating entry */
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
74 };
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
75
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
76 @@ -1947,6 +1956,39 @@ static int ftdi_stmclite_probe(struct usb_serial *serial)
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
77 return 0;
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
78 }
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
79
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
80 +/*
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
81 + * FreeCalypso DUART28C is an FT2232D-based USB to dual UART adapter
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
82 + * with a special quirk: Channel B RTS and DTR outputs (BDBUS2 and BDBUS4
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
83 + * on the chip) have been repurposed to drive PWON and RESET controls
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
84 + * on Calypso targets. The circuit is wired such that BDBUS[24] high
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
85 + * (RTS/DTR inactive) is the normal state with Iota VRPC controls
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
86 + * NOT activated, whereas BDBUS[24] low (RTS or DTR active) turn ON
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
87 + * the corresponding open drain control signal drivers.
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
88 + *
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
89 + * A special ftdi_sio driver quirk is needed in order to suppress
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
90 + * automatic assertion of DTR & RTS on device open: this device's
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
91 + * special PWON and RESET control drivers MUST NOT be activated
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
92 + * when the port is ordinarily opened for plain serial communication,
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
93 + * instead they must only be activated when a special userspace
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
94 + * application explicitly requests such activation with a TIOCMBIS ioctl.
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
95 + * These special userspace applications are responsible for making the
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
96 + * needed pulse with a TIOCMBIS, delay, TIOCMBIC sequence.
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
97 + *
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
98 + * The special quirk must be applied only to FT2232D Channel B:
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
99 + * Channel A is wired normally, with the chip's ADBUS2 and ADBUS4 outputs
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
100 + * actually being RTS and DTR rather than something else.
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
101 + */
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
102 +static void ftdi_duart28c_setup(struct usb_serial_port *port)
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
103 +{
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
104 + struct ftdi_private *priv = usb_get_serial_port_data(port);
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
105 + struct usb_serial *serial = port->serial;
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
106 + struct usb_interface *intf = serial->interface;
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
107 + int ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
108 +
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
109 + if (ifnum == 1)
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
110 + priv->no_auto_dtr_rts = 1;
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
111 +}
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
112 +
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
113 static int ftdi_sio_port_remove(struct usb_serial_port *port)
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
114 {
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
115 struct ftdi_private *priv = usb_get_serial_port_data(port);
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
116 @@ -1996,10 +2038,18 @@ static void ftdi_dtr_rts(struct usb_serial_port *port, int on)
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
117 dev_err(&port->dev, "error from flowcontrol urb\n");
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
118 }
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119 }
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
120 - /* drop RTS and DTR */
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 - if (on)
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 - set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123 - else
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 + /*
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
125 + * Assert or negate RTS and DTR as requested. When DUART28C
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 + * quirk is applied, we suppress automatic assertion, but
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127 + * automatic negation on device close is retained - these
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 + * special control signals are meant to be pulsed, and leaving
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129 + * either of them stuck on when the responsible userspace
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 + * program has terminated unexpectedly is undesirable.
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
131 + */
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 + if (on) {
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 + if (!priv->no_auto_dtr_rts)
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 + set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 + } else
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 }
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 @@ -2337,7 +2387,8 @@ static void ftdi_set_termios(struct tty_struct *tty,
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 dev_err(ddev, "%s urb failed to set baudrate\n", __func__);
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 mutex_unlock(&priv->cfg_lock);
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 /* Ensure RTS and DTR are raised when baudrate changed from 0 */
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 - if (old_termios && (old_termios->c_cflag & CBAUD) == B0)
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 + if (old_termios && (old_termios->c_cflag & CBAUD) == B0
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 + && !priv->no_auto_dtr_rts)
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 }
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 index 3d47c6d72256..3081b8916a0a 100644
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 --- a/drivers/usb/serial/ftdi_sio_ids.h
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 +++ b/drivers/usb/serial/ftdi_sio_ids.h
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 @@ -45,6 +45,7 @@
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 */
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 #define FTDI_FALCONIA_JTAG_BUF_PID 0x7150
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 #define FTDI_FALCONIA_JTAG_UNBUF_PID 0x7151
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 +#define FTDI_FALCONIA_DUART28C_PID 0x7152
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 /* Sienna Serial Interface by Secyourit GmbH */
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 #define FTDI_SIENNA_PID 0x8348
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 --
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 2.9.0
f7a2cd285016 add 4.19.152
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163