From: Sergej Pupykin <ml@xxxxxxxxxxxx>
This patch has been added to the 3.18 stable tree. If you have any
objections, please let us know.
===============
[ Upstream commit 2fdd8c8c5304901fa7dbb2ce5dbc90a1984cee3d ]
WCH382 is a PCI-E card with 1 LPT and 2 DB9 COM ports detected as
Serial controller: Device 1c00:3250 (rev 10) (prog-if 05 [16850])
Signed-off-by: Sergej Pupykin <ml@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sasha.levin@xxxxxxxxxx>
---
drivers/parport/parport_serial.c | 10 ++++++++++
drivers/tty/serial/8250/8250_pci.c | 21 +++++++++++++++++++++
2 files changed, 31 insertions(+)
diff --git a/drivers/parport/parport_serial.c b/drivers/parport/parport_serial.c
index ee93200..e15b484 100644
--- a/drivers/parport/parport_serial.c
+++ b/drivers/parport/parport_serial.c
@@ -64,6 +64,7 @@ enum parport_pc_pci_cards {
timedia_9079c,
wch_ch353_1s1p,
wch_ch353_2s1p,
+ wch_ch382_2s1p,
sunix_2s1p,
};
@@ -151,6 +152,7 @@ static struct parport_pc_pci cards[] = {
/* timedia_9079c */ { 1, { { 2, 3 }, } },
/* wch_ch353_1s1p*/ { 1, { { 1, -1}, } },
/* wch_ch353_2s1p*/ { 1, { { 2, -1}, } },
+ /* wch_ch382_2s1p*/ { 1, { { 2, -1}, } },
/* sunix_2s1p */ { 1, { { 3, -1 }, } },
};
@@ -257,6 +259,7 @@ static struct pci_device_id parport_serial_pci_tbl[] = {
/* WCH CARDS */
{ 0x4348, 0x5053, PCI_ANY_ID, PCI_ANY_ID, 0, 0, wch_ch353_1s1p},
{ 0x4348, 0x7053, 0x4348, 0x3253, 0, 0, wch_ch353_2s1p},
+ { 0x1c00, 0x3250, 0x1c00, 0x3250, 0, 0, wch_ch382_2s1p},
/*
* More SUNIX variations. At least one of these has part number
@@ -494,6 +497,13 @@ static struct pciserial_board pci_parport_serial_boards[] = {
.base_baud = 115200,
.uart_offset = 8,
},
+ [wch_ch382_2s1p] = {
+ .flags = FL_BASE0,
+ .num_ports = 2,
+ .base_baud = 115200,
+ .uart_offset = 8,
+ .first_offset = 0xC0,
+ },
[sunix_2s1p] = {
.flags = FL_BASE0|FL_BASE_BARS,
.num_ports = 2,
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index 98daaba..4cb5d7c 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -1765,6 +1765,16 @@ pci_wch_ch353_setup(struct serial_private *priv,
return pci_default_setup(priv, board, port, idx);
}
+static int
+pci_wch_ch382_setup(struct serial_private *priv,
+ const struct pciserial_board *board,
+ struct uart_8250_port *port, int idx)
+{
+ port->port.flags |= UPF_FIXED_TYPE;
+ port->port.type = PORT_16850;
+ return pci_default_setup(priv, board, port, idx);
+}
+
#define PCI_VENDOR_ID_SBSMODULARIO 0x124B
#define PCI_SUBVENDOR_ID_SBSMODULARIO 0x124B
#define PCI_DEVICE_ID_OCTPRO 0x0001
@@ -1819,6 +1829,8 @@ pci_wch_ch353_setup(struct serial_private *priv,
#define PCI_VENDOR_ID_SUNIX 0x1fd4
#define PCI_DEVICE_ID_SUNIX_1999 0x1999
+#define PCIE_VENDOR_ID_WCH 0x1c00
+#define PCIE_DEVICE_ID_WCH_CH382_2S1P 0x3250
#define PCI_DEVICE_ID_EXAR_XR17V4358 0x4358
#define PCI_DEVICE_ID_EXAR_XR17V8358 0x8358
@@ -2530,6 +2542,14 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = {
.subdevice = PCI_ANY_ID,
.setup = pci_wch_ch353_setup,
},
+ /* WCH CH382 2S1P card (16750 clone) */
+ {
+ .vendor = PCIE_VENDOR_ID_WCH,
+ .device = PCIE_DEVICE_ID_WCH_CH382_2S1P,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .setup = pci_wch_ch382_setup,
+ },
/*
* ASIX devices with FIFO bug
*/
@@ -3640,6 +3660,7 @@ static const struct pci_device_id blacklist[] = {
/* multi-io cards handled by parport_serial */
{ PCI_DEVICE(0x4348, 0x7053), }, /* WCH CH353 2S1P */
{ PCI_DEVICE(0x4348, 0x5053), }, /* WCH CH353 1S1P */
+ { PCI_DEVICE(0x1c00, 0x3250), }, /* WCH CH382 2S1P */
};
/*
--
2.5.0
--
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