Commit 14faa8cc authored by Matt Schulte's avatar Matt Schulte Committed by Greg Kroah-Hartman
Browse files

tty/8250 Add support for Commtech's Fastcom Async-335 and Fastcom Async-PCIe cards 



Add support for Commtech's Fastcom Async-335 and Fastcom Async-PCIe cards

Signed-off-by: default avatarMatt Schulte <matts@commtech-fastcom.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 30fa96a3

drivers/tty/serial/8250/8250_pci.c

+163 −0
Original line number Diff line number Diff line
@@ -1201,6 +1201,55 @@ pci_xr17v35x_setup(struct serial_private *priv, 
	return pci_default_setup(priv, board, port, idx);

}



#define PCI_DEVICE_ID_COMMTECH_4222PCI335 0x0004

#define PCI_DEVICE_ID_COMMTECH_4224PCI335 0x0002

#define PCI_DEVICE_ID_COMMTECH_2324PCI335 0x000a

#define PCI_DEVICE_ID_COMMTECH_2328PCI335 0x000b



static int

pci_fastcom335_setup(struct serial_private *priv,

		  const struct pciserial_board *board,

		  struct uart_8250_port *port, int idx)

{

	u8 __iomem *p;



	p = pci_ioremap_bar(priv->dev, 0);

	if (p == NULL)

		return -ENOMEM;



	port->port.flags |= UPF_EXAR_EFR;



	/*

	 * Setup Multipurpose Input/Output pins.

	 */

	if (idx == 0) {

		switch (priv->dev->device) {

		case PCI_DEVICE_ID_COMMTECH_4222PCI335:

		case PCI_DEVICE_ID_COMMTECH_4224PCI335:

			writeb(0x78, p + 0x90); /* MPIOLVL[7:0] */

			writeb(0x00, p + 0x92); /* MPIOINV[7:0] */

			writeb(0x00, p + 0x93); /* MPIOSEL[7:0] */

			break;

		case PCI_DEVICE_ID_COMMTECH_2324PCI335:

		case PCI_DEVICE_ID_COMMTECH_2328PCI335:

			writeb(0x00, p + 0x90); /* MPIOLVL[7:0] */

			writeb(0xc0, p + 0x92); /* MPIOINV[7:0] */

			writeb(0xc0, p + 0x93); /* MPIOSEL[7:0] */

			break;

		}

		writeb(0x00, p + 0x8f); /* MPIOINT[7:0] */

		writeb(0x00, p + 0x91); /* MPIO3T[7:0] */

		writeb(0x00, p + 0x94); /* MPIOOD[7:0] */

	}

	writeb(0x00, p + UART_EXAR_8XMODE);

	writeb(UART_FCTR_EXAR_TRGD, p + UART_EXAR_FCTR);

	writeb(32, p + UART_EXAR_TXTRG);

	writeb(32, p + UART_EXAR_RXTRG);

	iounmap(p);



	return pci_default_setup(priv, board, port, idx);

}



static int

pci_wch_ch353_setup(struct serial_private *priv,

                    const struct pciserial_board *board,
@@ -1250,6 +1299,10 @@ pci_wch_ch353_setup(struct serial_private *priv, 
#define PCI_VENDOR_ID_AGESTAR		0x5372

#define PCI_DEVICE_ID_AGESTAR_9375	0x6872

#define PCI_VENDOR_ID_ASIX		0x9710

#define PCI_DEVICE_ID_COMMTECH_4222PCIE 0x0019

#define PCI_DEVICE_ID_COMMTECH_4224PCIE	0x0020

#define PCI_DEVICE_ID_COMMTECH_4228PCIE	0x0021





/* Unknown vendors/cards - this should not be in linux/pci_ids.h */

#define PCI_SUBDEVICE_ID_UNKNOWN_0x1584	0x1584
@@ -1845,6 +1898,59 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = { 
		.subdevice	= PCI_ANY_ID,

		.setup		= pci_asix_setup,

	},

	/*

	 * Commtech, Inc. Fastcom adapters

	 *

	 */

	{

		.vendor = PCI_VENDOR_ID_COMMTECH,

		.device = PCI_DEVICE_ID_COMMTECH_4222PCI335,

		.subvendor	= PCI_ANY_ID,

		.subdevice	= PCI_ANY_ID,

		.setup		= pci_fastcom335_setup,

	},

	{

		.vendor = PCI_VENDOR_ID_COMMTECH,

		.device = PCI_DEVICE_ID_COMMTECH_4224PCI335,

		.subvendor	= PCI_ANY_ID,

		.subdevice	= PCI_ANY_ID,

		.setup		= pci_fastcom335_setup,

	},

	{

		.vendor = PCI_VENDOR_ID_COMMTECH,

		.device = PCI_DEVICE_ID_COMMTECH_2324PCI335,

		.subvendor	= PCI_ANY_ID,

		.subdevice	= PCI_ANY_ID,

		.setup		= pci_fastcom335_setup,

	},

	{

		.vendor = PCI_VENDOR_ID_COMMTECH,

		.device = PCI_DEVICE_ID_COMMTECH_2328PCI335,

		.subvendor	= PCI_ANY_ID,

		.subdevice	= PCI_ANY_ID,

		.setup		= pci_fastcom335_setup,

	},

	{

		.vendor = PCI_VENDOR_ID_COMMTECH,

		.device = PCI_DEVICE_ID_COMMTECH_4222PCIE,

		.subvendor	= PCI_ANY_ID,

		.subdevice	= PCI_ANY_ID,

		.setup		= pci_xr17v35x_setup,

	},

	{

		.vendor = PCI_VENDOR_ID_COMMTECH,

		.device = PCI_DEVICE_ID_COMMTECH_4224PCIE,

		.subvendor	= PCI_ANY_ID,

		.subdevice	= PCI_ANY_ID,

		.setup		= pci_xr17v35x_setup,

	},

	{

		.vendor = PCI_VENDOR_ID_COMMTECH,

		.device = PCI_DEVICE_ID_COMMTECH_4228PCIE,

		.subvendor	= PCI_ANY_ID,

		.subdevice	= PCI_ANY_ID,

		.setup		= pci_xr17v35x_setup,

	},

	/*

	 * Default "match everything" terminator entry

	 */
@@ -1921,6 +2027,10 @@ enum pci_board_num_t { 


	pbn_b0_4_1152000,



	pbn_b0_2_1152000_200,

	pbn_b0_4_1152000_200,

	pbn_b0_8_1152000_200,



	pbn_b0_2_1843200,

	pbn_b0_4_1843200,
@@ -2118,6 +2228,27 @@ static struct pciserial_board pci_boards[] = { 
		.uart_offset	= 8,

	},



	[pbn_b0_2_1152000_200] = {

		.flags		= FL_BASE0,

		.num_ports	= 2,

		.base_baud	= 1152000,

		.uart_offset	= 0x200,

	},



	[pbn_b0_4_1152000_200] = {

		.flags		= FL_BASE0,

		.num_ports	= 4,

		.base_baud	= 1152000,

		.uart_offset	= 0x200,

	},



	[pbn_b0_8_1152000_200] = {

		.flags		= FL_BASE0,

		.num_ports	= 2,

		.base_baud	= 1152000,

		.uart_offset	= 0x200,

	},



	[pbn_b0_2_1843200] = {

		.flags		= FL_BASE0,

		.num_ports	= 2,
@@ -4356,6 +4487,38 @@ static struct pci_device_id serial_pci_tbl[] = { 
		PCI_ANY_ID, PCI_ANY_ID,

		0, 0, pbn_b0_bt_2_115200 },



	/*

	 * Commtech, Inc. Fastcom adapters

	 */

	{	PCI_VENDOR_ID_COMMTECH, PCI_DEVICE_ID_COMMTECH_4222PCI335,

		PCI_ANY_ID, PCI_ANY_ID,

		0,

		0, pbn_b0_2_1152000_200 },

	{	PCI_VENDOR_ID_COMMTECH, PCI_DEVICE_ID_COMMTECH_4224PCI335,

		PCI_ANY_ID, PCI_ANY_ID,

		0,

		0, pbn_b0_4_1152000_200 },

	{	PCI_VENDOR_ID_COMMTECH, PCI_DEVICE_ID_COMMTECH_2324PCI335,

		PCI_ANY_ID, PCI_ANY_ID,

		0,

		0, pbn_b0_4_1152000_200 },

	{	PCI_VENDOR_ID_COMMTECH, PCI_DEVICE_ID_COMMTECH_2328PCI335,

		PCI_ANY_ID, PCI_ANY_ID,

		0,

		0, pbn_b0_8_1152000_200 },

	{	PCI_VENDOR_ID_COMMTECH, PCI_DEVICE_ID_COMMTECH_4222PCIE,

		PCI_ANY_ID, PCI_ANY_ID,

		0,

		0, pbn_exar_XR17V352 },

	{	PCI_VENDOR_ID_COMMTECH, PCI_DEVICE_ID_COMMTECH_4224PCIE,

		PCI_ANY_ID, PCI_ANY_ID,

		0,

		0, pbn_exar_XR17V354 },

	{	PCI_VENDOR_ID_COMMTECH, PCI_DEVICE_ID_COMMTECH_4228PCIE,

		PCI_ANY_ID, PCI_ANY_ID,

		0,

		0, pbn_exar_XR17V358 },



	/*

	 * These entries match devices with class COMMUNICATION_SERIAL,

	 * COMMUNICATION_MODEM or COMMUNICATION_MULTISERIAL

include/linux/pci_ids.h

+2 −0
Original line number Diff line number Diff line
@@ -2326,6 +2326,8 @@ 


#define PCI_VENDOR_ID_TOPSPIN		0x1867



#define PCI_VENDOR_ID_COMMTECH		0x18f7



#define PCI_VENDOR_ID_SILAN		0x1904



#define PCI_VENDOR_ID_RENESAS		0x1912