From 72a3c0e4e6624a77ee6eee0903f209185fe20647 Mon Sep 17 00:00:00 2001 From: Sergej Pupykin Date: Tue, 30 Dec 2014 16:16:50 +0300 Subject: [PATCH] tty: Add support for the WCH384 4S multi-IO card WCH384 4S board is a PCI-E card with 4 DB9 COM ports detected as Serial controller: Device 1c00:3470 (rev 10) (prog-if 05 [16850]) Signed-off-by: Sergej Pupykin Acked-by: Zany Yan Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/8250/8250_pci.c | 29 ++++++++++++++++++++++++++--- 1 file changed, 26 insertions(+), 3 deletions(-) diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c index 31feeb2d0a66..d1f8dc6aabcb 100644 --- a/drivers/tty/serial/8250/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c @@ -1815,7 +1815,7 @@ pci_wch_ch353_setup(struct serial_private *priv, } static int -pci_wch_ch382_setup(struct serial_private *priv, +pci_wch_ch38x_setup(struct serial_private *priv, const struct pciserial_board *board, struct uart_8250_port *port, int idx) { @@ -1880,6 +1880,7 @@ pci_wch_ch382_setup(struct serial_private *priv, #define PCIE_VENDOR_ID_WCH 0x1c00 #define PCIE_DEVICE_ID_WCH_CH382_2S1P 0x3250 +#define PCIE_DEVICE_ID_WCH_CH384_4S 0x3470 /* Unknown vendors/cards - this should not be in linux/pci_ids.h */ #define PCI_SUBDEVICE_ID_UNKNOWN_0x1584 0x1584 @@ -2571,13 +2572,21 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = { .subdevice = PCI_ANY_ID, .setup = pci_wch_ch353_setup, }, - /* WCH CH382 2S1P card (16750 clone) */ + /* WCH CH382 2S1P card (16850 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, + .setup = pci_wch_ch38x_setup, + }, + /* WCH CH384 4S card (16850 clone) */ + { + .vendor = PCIE_VENDOR_ID_WCH, + .device = PCIE_DEVICE_ID_WCH_CH384_4S, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .setup = pci_wch_ch38x_setup, }, /* * ASIX devices with FIFO bug @@ -2876,6 +2885,7 @@ enum pci_board_num_t { pbn_fintek_4, pbn_fintek_8, pbn_fintek_12, + pbn_wch384_4, }; /* @@ -3675,6 +3685,14 @@ static struct pciserial_board pci_boards[] = { .base_baud = 115200, .first_offset = 0x40, }, + + [pbn_wch384_4] = { + .flags = FL_BASE0, + .num_ports = 4, + .base_baud = 115200, + .uart_offset = 8, + .first_offset = 0xC0, + }, }; static const struct pci_device_id blacklist[] = { @@ -3687,6 +3705,7 @@ static const struct pci_device_id blacklist[] = { { PCI_DEVICE(0x4348, 0x7053), }, /* WCH CH353 2S1P */ { PCI_DEVICE(0x4348, 0x5053), }, /* WCH CH353 1S1P */ { PCI_DEVICE(0x1c00, 0x3250), }, /* WCH CH382 2S1P */ + { PCI_DEVICE(0x1c00, 0x3470), }, /* WCH CH384 4S */ }; /* @@ -5400,6 +5419,10 @@ static struct pci_device_id serial_pci_tbl[] = { PCI_ANY_ID, PCI_ANY_ID, 0, 0, pbn_b0_bt_2_115200 }, + { PCIE_VENDOR_ID_WCH, PCIE_DEVICE_ID_WCH_CH384_4S, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, pbn_wch384_4 }, + /* * Commtech, Inc. Fastcom adapters */ -- 2.11.0