FreeCalypso > hg > fc-linux-patch

annotate 4.9.240/0003-USB-serial-ftdi_sio-add-support-for-FreeCalypso-DUAR.patch @ 6:00a3400668db

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
add LTS-versions correspondence table
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 11 Dec 2023 06:51:27 +0000
parents 713fe1e8df41
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 From 8edb5017764d4ad9d90a631c420caca41827cd6e Mon Sep 17 00:00:00 2001
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 From: "Mychaela N. Falconia" <falcon@freecalypso.org>
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 Date: Fri, 2 Oct 2020 18:01:12 +0000
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 Subject: [PATCH 3/3] USB: serial: ftdi_sio: add support for FreeCalypso
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 DUART28C adapter
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 FreeCalypso DUART28C is an FT2232D-based USB to dual UART adapter
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 with a special quirk: Channel B RTS and DTR outputs (BDBUS2 and BDBUS4
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 on the chip) have been repurposed to drive PWON and RESET controls
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 on Calypso targets. The circuit is wired such that BDBUS[24] high
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 (RTS/DTR inactive) is the normal state with Iota VRPC controls
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 NOT activated, whereas BDBUS[24] low (RTS or DTR active) turn ON
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 the corresponding open drain control signal drivers.
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 A special ftdi_sio driver quirk is needed in order to suppress
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 automatic assertion of DTR & RTS on device open: this device's
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 special PWON and RESET control drivers MUST NOT be activated
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 when the port is ordinarily opened for plain serial communication,
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 instead they must only be activated when a special userspace
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 application explicitly requests such activation with a TIOCMBIS ioctl.
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 These special userspace applications are responsible for making the
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 needed pulse with a TIOCMBIS, delay, TIOCMBIC sequence.
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 The special quirk is conditionalized on the DUART28C adapter's custom
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 USB ID, and is further limited to FT2232D Channel B only: Channel A
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 is wired normally, with the chip's ADBUS2 and ADBUS4 outputs
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 actually being RTS and DTR rather than something else.
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 Signed-off-by: Mychaela N. Falconia <falcon@freecalypso.org>
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 ---
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 drivers/usb/serial/ftdi_sio.c | 61 +++++++++++++++++++++++++++++++++++----
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 drivers/usb/serial/ftdi_sio_ids.h | 1 +
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 2 files changed, 57 insertions(+), 5 deletions(-)
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
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
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 index 878ab4e5625c..443aee847556 100644
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 --- a/drivers/usb/serial/ftdi_sio.c
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 +++ b/drivers/usb/serial/ftdi_sio.c
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 @@ -73,6 +73,8 @@ struct ftdi_private {
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 this value */
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 int force_rtscts; /* if non-zero, force RTS-CTS to always
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 be enabled */
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 + int no_auto_dtr_rts; /* if non-zero, suppress automatic assertion
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 + of DTR & RTS on device open */
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 unsigned int latency; /* latency setting in use */
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 unsigned short max_packet_size;
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 @@ -92,6 +94,7 @@ static int ftdi_stmclite_probe(struct usb_serial *serial);
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 static int ftdi_8u2232c_probe(struct usb_serial *serial);
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 static void ftdi_USB_UIRT_setup(struct usb_serial_port *port);
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 static void ftdi_HE_TIRA1_setup(struct usb_serial_port *port);
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 +static void ftdi_duart28c_setup(struct usb_serial_port *port);
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 static const struct ftdi_sio_quirk ftdi_jtag_quirk = {
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55 .probe = ftdi_jtag_probe,
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 @@ -117,6 +120,10 @@ static const struct ftdi_sio_quirk ftdi_8u2232c_quirk = {
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57 .probe = ftdi_8u2232c_probe,
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 };
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 +static const struct ftdi_sio_quirk ftdi_duart28c_quirk = {
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61 + .port_probe = ftdi_duart28c_setup,
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62 +};
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 +
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
64 /*
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
65 * The 8U232AM has the same API as the sio except for:
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
66 * - it can support MUCH higher baudrates; up to:
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
67 @@ -1037,6 +1044,8 @@ static const struct usb_device_id id_table_combined[] = {
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
68 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
69 { USB_DEVICE(FTDI_VID, FTDI_FALCONIA_JTAG_UNBUF_PID),
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
70 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
71 + { USB_DEVICE(FTDI_VID, FTDI_FALCONIA_DUART28C_PID),
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
72 + .driver_info = (kernel_ulong_t)&ftdi_duart28c_quirk },
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
73 { } /* Terminating entry */
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
74 };
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
75
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
76 @@ -1961,6 +1970,39 @@ static int ftdi_stmclite_probe(struct usb_serial *serial)
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
77 return 0;
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
78 }
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
79
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
80 +/*
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
81 + * FreeCalypso DUART28C is an FT2232D-based USB to dual UART adapter
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
82 + * with a special quirk: Channel B RTS and DTR outputs (BDBUS2 and BDBUS4
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
83 + * on the chip) have been repurposed to drive PWON and RESET controls
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
84 + * on Calypso targets. The circuit is wired such that BDBUS[24] high
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
85 + * (RTS/DTR inactive) is the normal state with Iota VRPC controls
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
86 + * NOT activated, whereas BDBUS[24] low (RTS or DTR active) turn ON
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
87 + * the corresponding open drain control signal drivers.
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
88 + *
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
89 + * A special ftdi_sio driver quirk is needed in order to suppress
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
90 + * automatic assertion of DTR & RTS on device open: this device's
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
91 + * special PWON and RESET control drivers MUST NOT be activated
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
92 + * when the port is ordinarily opened for plain serial communication,
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
93 + * instead they must only be activated when a special userspace
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
94 + * application explicitly requests such activation with a TIOCMBIS ioctl.
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
95 + * These special userspace applications are responsible for making the
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
96 + * needed pulse with a TIOCMBIS, delay, TIOCMBIC sequence.
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
97 + *
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
98 + * The special quirk must be applied only to FT2232D Channel B:
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
99 + * Channel A is wired normally, with the chip's ADBUS2 and ADBUS4 outputs
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
100 + * actually being RTS and DTR rather than something else.
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
101 + */
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
102 +static void ftdi_duart28c_setup(struct usb_serial_port *port)
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
103 +{
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
104 + struct ftdi_private *priv = usb_get_serial_port_data(port);
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
105 + struct usb_serial *serial = port->serial;
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
106 + struct usb_interface *intf = serial->interface;
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
107 + int ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
108 +
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
109 + if (ifnum == 1)
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
110 + priv->no_auto_dtr_rts = 1;
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
111 +}
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
112 +
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
113 static int ftdi_sio_port_remove(struct usb_serial_port *port)
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
114 {
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
115 struct ftdi_private *priv = usb_get_serial_port_data(port);
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
116 @@ -2010,10 +2052,18 @@ static void ftdi_dtr_rts(struct usb_serial_port *port, int on)
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
117 dev_err(&port->dev, "error from flowcontrol urb\n");
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
118 }
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119 }
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
120 - /* drop RTS and DTR */
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 - if (on)
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 - set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123 - else
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 + /*
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
125 + * Assert or negate RTS and DTR as requested. When DUART28C
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 + * quirk is applied, we suppress automatic assertion, but
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127 + * automatic negation on device close is retained - these
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 + * special control signals are meant to be pulsed, and leaving
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129 + * either of them stuck on when the responsible userspace
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 + * program has terminated unexpectedly is undesirable.
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
131 + */
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 + if (on) {
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 + if (!priv->no_auto_dtr_rts)
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 + set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 + } else
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 }
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 @@ -2355,7 +2405,8 @@ static void ftdi_set_termios(struct tty_struct *tty,
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 dev_err(ddev, "%s urb failed to set baudrate\n", __func__);
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 mutex_unlock(&priv->cfg_lock);
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 /* Ensure RTS and DTR are raised when baudrate changed from 0 */
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 - if (old_termios && (old_termios->c_cflag & CBAUD) == B0)
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 + if (old_termios && (old_termios->c_cflag & CBAUD) == B0
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 + && !priv->no_auto_dtr_rts)
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 }
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
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
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 index f3302516a1e4..f756b80cb361 100644
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 --- a/drivers/usb/serial/ftdi_sio_ids.h
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 +++ b/drivers/usb/serial/ftdi_sio_ids.h
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 @@ -44,6 +44,7 @@
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 */
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 #define FTDI_FALCONIA_JTAG_BUF_PID 0x7150
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 #define FTDI_FALCONIA_JTAG_UNBUF_PID 0x7151
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 +#define FTDI_FALCONIA_DUART28C_PID 0x7152
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 /* Sienna Serial Interface by Secyourit GmbH */
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 #define FTDI_SIENNA_PID 0x8348
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 --
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 2.9.0
713fe1e8df41 initial import of formal patches from freecalypso-hwlab repo
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163