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path: root/drivers/tty/serial/8250/8250_pci.c
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Diffstat (limited to 'drivers/tty/serial/8250/8250_pci.c')
-rw-r--r--drivers/tty/serial/8250/8250_pci.c369
1 files changed, 328 insertions, 41 deletions
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index 7f740b37700b..939685fed396 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -43,7 +43,10 @@ struct pci_serial_quirk {
void (*exit)(struct pci_dev *dev);
};
-#define PCI_NUM_BAR_RESOURCES 6
+struct f815xxa_data {
+ spinlock_t lock;
+ int idx;
+};
struct serial_private {
struct pci_dev *dev;
@@ -53,6 +56,16 @@ struct serial_private {
int line[0];
};
+static const struct pci_device_id pci_use_msi[] = {
+ { PCI_DEVICE_SUB(PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9900,
+ 0xA000, 0x1000) },
+ { PCI_DEVICE_SUB(PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9912,
+ 0xA000, 0x1000) },
+ { PCI_DEVICE_SUB(PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9922,
+ 0xA000, 0x1000) },
+ { }
+};
+
static int pci_default_setup(struct serial_private*,
const struct pciserial_board*, struct uart_8250_port *, int);
@@ -74,7 +87,7 @@ setup_port(struct serial_private *priv, struct uart_8250_port *port,
{
struct pci_dev *dev = priv->dev;
- if (bar >= PCI_NUM_BAR_RESOURCES)
+ if (bar >= PCI_STD_NUM_BARS)
return -EINVAL;
if (pci_resource_flags(dev, bar) & IORESOURCE_MEM) {
@@ -262,7 +275,7 @@ static int pci_plx9050_init(struct pci_dev *dev)
/*
* enable/disable interrupts
*/
- p = ioremap_nocache(pci_resource_start(dev, 0), 0x80);
+ p = ioremap(pci_resource_start(dev, 0), 0x80);
if (p == NULL)
return -ENOMEM;
writel(irq_config, p + 0x4c);
@@ -286,7 +299,7 @@ static void pci_plx9050_exit(struct pci_dev *dev)
/*
* disable interrupts
*/
- p = ioremap_nocache(pci_resource_start(dev, 0), 0x80);
+ p = ioremap(pci_resource_start(dev, 0), 0x80);
if (p != NULL) {
writel(0, p + 0x4c);
@@ -462,7 +475,7 @@ static int pci_siig10x_init(struct pci_dev *dev)
break;
}
- p = ioremap_nocache(pci_resource_start(dev, 0), 0x80);
+ p = ioremap(pci_resource_start(dev, 0), 0x80);
if (p == NULL)
return -ENOMEM;
@@ -1596,6 +1609,77 @@ static int pci_fintek_init(struct pci_dev *dev)
return max_port;
}
+static void f815xxa_mem_serial_out(struct uart_port *p, int offset, int value)
+{
+ struct f815xxa_data *data = p->private_data;
+ unsigned long flags;
+
+ spin_lock_irqsave(&data->lock, flags);
+ writeb(value, p->membase + offset);
+ readb(p->membase + UART_SCR); /* Dummy read for flush pcie tx queue */
+ spin_unlock_irqrestore(&data->lock, flags);
+}
+
+static int pci_fintek_f815xxa_setup(struct serial_private *priv,
+ const struct pciserial_board *board,
+ struct uart_8250_port *port, int idx)
+{
+ struct pci_dev *pdev = priv->dev;
+ struct f815xxa_data *data;
+
+ data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ data->idx = idx;
+ spin_lock_init(&data->lock);
+
+ port->port.private_data = data;
+ port->port.iotype = UPIO_MEM;
+ port->port.flags |= UPF_IOREMAP;
+ port->port.mapbase = pci_resource_start(pdev, 0) + 8 * idx;
+ port->port.serial_out = f815xxa_mem_serial_out;
+
+ return 0;
+}
+
+static int pci_fintek_f815xxa_init(struct pci_dev *dev)
+{
+ u32 max_port, i;
+ int config_base;
+
+ if (!(pci_resource_flags(dev, 0) & IORESOURCE_MEM))
+ return -ENODEV;
+
+ switch (dev->device) {
+ case 0x1204: /* 4 ports */
+ case 0x1208: /* 8 ports */
+ max_port = dev->device & 0xff;
+ break;
+ case 0x1212: /* 12 ports */
+ max_port = 12;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* Set to mmio decode */
+ pci_write_config_byte(dev, 0x209, 0x40);
+
+ for (i = 0; i < max_port; ++i) {
+ /* UART0 configuration offset start from 0x2A0 */
+ config_base = 0x2A0 + 0x08 * i;
+
+ /* Select 128-byte FIFO and 8x FIFO threshold */
+ pci_write_config_byte(dev, config_base + 0x01, 0x33);
+
+ /* Enable UART I/O port */
+ pci_write_config_byte(dev, config_base + 0, 0x01);
+ }
+
+ return max_port;
+}
+
static int skip_tx_en_setup(struct serial_private *priv,
const struct pciserial_board *board,
struct uart_8250_port *port, int idx)
@@ -1692,6 +1776,46 @@ pci_wch_ch38x_setup(struct serial_private *priv,
return pci_default_setup(priv, board, port, idx);
}
+static int
+pci_sunix_setup(struct serial_private *priv,
+ const struct pciserial_board *board,
+ struct uart_8250_port *port, int idx)
+{
+ int bar;
+ int offset;
+
+ port->port.flags |= UPF_FIXED_TYPE;
+ port->port.type = PORT_SUNIX;
+
+ if (idx < 4) {
+ bar = 0;
+ offset = idx * board->uart_offset;
+ } else {
+ bar = 1;
+ idx -= 4;
+ idx = div_s64_rem(idx, 4, &offset);
+ offset = idx * 64 + offset * board->uart_offset;
+ }
+
+ return setup_port(priv, port, bar, offset, 0);
+}
+
+static int
+pci_moxa_setup(struct serial_private *priv,
+ const struct pciserial_board *board,
+ struct uart_8250_port *port, int idx)
+{
+ unsigned int bar = FL_GET_BASE(board->flags);
+ int offset;
+
+ if (board->num_ports == 4 && idx == 3)
+ offset = 7 * board->uart_offset;
+ else
+ offset = idx * board->uart_offset;
+
+ return setup_port(priv, port, bar, offset, 0);
+}
+
#define PCI_VENDOR_ID_SBSMODULARIO 0x124B
#define PCI_SUBVENDOR_ID_SBSMODULARIO 0x124B
#define PCI_DEVICE_ID_OCTPRO 0x0001
@@ -1787,6 +1911,18 @@ pci_wch_ch38x_setup(struct serial_private *priv,
#define PCI_DEVICE_ID_ACCESIO_PCIE_ICM_4SM 0x11D8
+#define PCI_DEVICE_ID_MOXA_CP102E 0x1024
+#define PCI_DEVICE_ID_MOXA_CP102EL 0x1025
+#define PCI_DEVICE_ID_MOXA_CP104EL_A 0x1045
+#define PCI_DEVICE_ID_MOXA_CP114EL 0x1144
+#define PCI_DEVICE_ID_MOXA_CP116E_A_A 0x1160
+#define PCI_DEVICE_ID_MOXA_CP116E_A_B 0x1161
+#define PCI_DEVICE_ID_MOXA_CP118EL_A 0x1182
+#define PCI_DEVICE_ID_MOXA_CP118E_A_I 0x1183
+#define PCI_DEVICE_ID_MOXA_CP132EL 0x1322
+#define PCI_DEVICE_ID_MOXA_CP134EL_A 0x1342
+#define PCI_DEVICE_ID_MOXA_CP138E_A 0x1381
+#define PCI_DEVICE_ID_MOXA_CP168EL_A 0x1683
/* Unknown vendors/cards - this should not be in linux/pci_ids.h */
#define PCI_SUBDEVICE_ID_UNKNOWN_0x1584 0x1584
@@ -2289,21 +2425,14 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = {
.setup = pci_timedia_setup,
},
/*
- * SUNIX (Timedia) cards
- * Do not "probe" for these cards as there is at least one combination
- * card that should be handled by parport_pc that doesn't match the
- * rule in pci_timedia_probe.
- * It is part number is MIO5079A but its subdevice ID is 0x0102.
- * There are some boards with part number SER5037AL that report
- * subdevice ID 0x0002.
+ * Sunix PCI serial boards
*/
{
.vendor = PCI_VENDOR_ID_SUNIX,
.device = PCI_DEVICE_ID_SUNIX_1999,
.subvendor = PCI_VENDOR_ID_SUNIX,
.subdevice = PCI_ANY_ID,
- .init = pci_timedia_init,
- .setup = pci_timedia_setup,
+ .setup = pci_sunix_setup,
},
/*
* Xircom cards
@@ -2563,6 +2692,40 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = {
.setup = pci_fintek_setup,
.init = pci_fintek_init,
},
+ /*
+ * MOXA
+ */
+ {
+ .vendor = PCI_VENDOR_ID_MOXA,
+ .device = PCI_ANY_ID,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .setup = pci_moxa_setup,
+ },
+ {
+ .vendor = 0x1c29,
+ .device = 0x1204,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .setup = pci_fintek_f815xxa_setup,
+ .init = pci_fintek_f815xxa_init,
+ },
+ {
+ .vendor = 0x1c29,
+ .device = 0x1208,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .setup = pci_fintek_f815xxa_setup,
+ .init = pci_fintek_f815xxa_init,
+ },
+ {
+ .vendor = 0x1c29,
+ .device = 0x1212,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .setup = pci_fintek_f815xxa_setup,
+ .init = pci_fintek_f815xxa_init,
+ },
/*
* Default "match everything" terminator entry
@@ -2751,12 +2914,23 @@ enum pci_board_num_t {
pbn_fintek_4,
pbn_fintek_8,
pbn_fintek_12,
+ pbn_fintek_F81504A,
+ pbn_fintek_F81508A,
+ pbn_fintek_F81512A,
pbn_wch382_2,
pbn_wch384_4,
pbn_pericom_PI7C9X7951,
pbn_pericom_PI7C9X7952,
pbn_pericom_PI7C9X7954,
pbn_pericom_PI7C9X7958,
+ pbn_sunix_pci_1s,
+ pbn_sunix_pci_2s,
+ pbn_sunix_pci_4s,
+ pbn_sunix_pci_8s,
+ pbn_sunix_pci_16s,
+ pbn_moxa8250_2p,
+ pbn_moxa8250_4p,
+ pbn_moxa8250_8p,
};
/*
@@ -3453,6 +3627,21 @@ static struct pciserial_board pci_boards[] = {
.base_baud = 115200,
.first_offset = 0x40,
},
+ [pbn_fintek_F81504A] = {
+ .num_ports = 4,
+ .uart_offset = 8,
+ .base_baud = 115200,
+ },
+ [pbn_fintek_F81508A] = {
+ .num_ports = 8,
+ .uart_offset = 8,
+ .base_baud = 115200,
+ },
+ [pbn_fintek_F81512A] = {
+ .num_ports = 12,
+ .uart_offset = 8,
+ .base_baud = 115200,
+ },
[pbn_wch382_2] = {
.flags = FL_BASE0,
.num_ports = 2,
@@ -3494,6 +3683,49 @@ static struct pciserial_board pci_boards[] = {
.base_baud = 921600,
.uart_offset = 0x8,
},
+ [pbn_sunix_pci_1s] = {
+ .num_ports = 1,
+ .base_baud = 921600,
+ .uart_offset = 0x8,
+ },
+ [pbn_sunix_pci_2s] = {
+ .num_ports = 2,
+ .base_baud = 921600,
+ .uart_offset = 0x8,
+ },
+ [pbn_sunix_pci_4s] = {
+ .num_ports = 4,
+ .base_baud = 921600,
+ .uart_offset = 0x8,
+ },
+ [pbn_sunix_pci_8s] = {
+ .num_ports = 8,
+ .base_baud = 921600,
+ .uart_offset = 0x8,
+ },
+ [pbn_sunix_pci_16s] = {
+ .num_ports = 16,
+ .base_baud = 921600,
+ .uart_offset = 0x8,
+ },
+ [pbn_moxa8250_2p] = {
+ .flags = FL_BASE1,
+ .num_ports = 2,
+ .base_baud = 921600,
+ .uart_offset = 0x200,
+ },
+ [pbn_moxa8250_4p] = {
+ .flags = FL_BASE1,
+ .num_ports = 4,
+ .base_baud = 921600,
+ .uart_offset = 0x200,
+ },
+ [pbn_moxa8250_8p] = {
+ .flags = FL_BASE1,
+ .num_ports = 8,
+ .base_baud = 921600,
+ .uart_offset = 0x200,
+ },
};
static const struct pci_device_id blacklist[] = {
@@ -3507,20 +3739,6 @@ static const struct pci_device_id blacklist[] = {
{ PCI_DEVICE(0x4348, 0x5053), }, /* WCH CH353 1S1P */
{ PCI_DEVICE(0x1c00, 0x3250), }, /* WCH CH382 2S1P */
- /* Moxa Smartio MUE boards handled by 8250_moxa */
- { PCI_VDEVICE(MOXA, 0x1024), },
- { PCI_VDEVICE(MOXA, 0x1025), },
- { PCI_VDEVICE(MOXA, 0x1045), },
- { PCI_VDEVICE(MOXA, 0x1144), },
- { PCI_VDEVICE(MOXA, 0x1160), },
- { PCI_VDEVICE(MOXA, 0x1161), },
- { PCI_VDEVICE(MOXA, 0x1182), },
- { PCI_VDEVICE(MOXA, 0x1183), },
- { PCI_VDEVICE(MOXA, 0x1322), },
- { PCI_VDEVICE(MOXA, 0x1342), },
- { PCI_VDEVICE(MOXA, 0x1381), },
- { PCI_VDEVICE(MOXA, 0x1683), },
-
/* Intel platforms with MID UART */
{ PCI_VDEVICE(INTEL, 0x081b), },
{ PCI_VDEVICE(INTEL, 0x081c), },
@@ -3583,7 +3801,7 @@ serial_pci_guess_board(struct pci_dev *dev, struct pciserial_board *board)
return -ENODEV;
num_iomem = num_port = 0;
- for (i = 0; i < PCI_NUM_BAR_RESOURCES; i++) {
+ for (i = 0; i < PCI_STD_NUM_BARS; i++) {
if (pci_resource_flags(dev, i) & IORESOURCE_IO) {
num_port++;
if (first_port == -1)
@@ -3611,7 +3829,7 @@ serial_pci_guess_board(struct pci_dev *dev, struct pciserial_board *board)
*/
first_port = -1;
num_port = 0;
- for (i = 0; i < PCI_NUM_BAR_RESOURCES; i++) {
+ for (i = 0; i < PCI_STD_NUM_BARS; i++) {
if (pci_resource_flags(dev, i) & IORESOURCE_IO &&
pci_resource_len(dev, i) == 8 &&
(first_port == -1 || (first_port + num_port) == i)) {
@@ -3688,7 +3906,22 @@ pciserial_init_ports(struct pci_dev *dev, const struct pciserial_board *board)
memset(&uart, 0, sizeof(uart));
uart.port.flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ;
uart.port.uartclk = board->base_baud * 16;
- uart.port.irq = get_pci_irq(dev, board);
+
+ if (pci_match_id(pci_use_msi, dev)) {
+ dev_dbg(&dev->dev, "Using MSI(-X) interrupts\n");
+ pci_set_master(dev);
+ rc = pci_alloc_irq_vectors(dev, 1, 1, PCI_IRQ_ALL_TYPES);
+ } else {
+ dev_dbg(&dev->dev, "Using legacy interrupts\n");
+ rc = pci_alloc_irq_vectors(dev, 1, 1, PCI_IRQ_LEGACY);
+ }
+ if (rc < 0) {
+ kfree(priv);
+ priv = ERR_PTR(rc);
+ goto err_deinit;
+ }
+
+ uart.port.irq = pci_irq_vector(dev, 0);
uart.port.dev = &dev->dev;
for (i = 0; i < nr_ports; i++) {
@@ -3859,8 +4092,7 @@ static void pciserial_remove_one(struct pci_dev *dev)
#ifdef CONFIG_PM_SLEEP
static int pciserial_suspend_one(struct device *dev)
{
- struct pci_dev *pdev = to_pci_dev(dev);
- struct serial_private *priv = pci_get_drvdata(pdev);
+ struct serial_private *priv = dev_get_drvdata(dev);
if (priv)
pciserial_suspend_ports(priv);
@@ -4532,17 +4764,29 @@ static const struct pci_device_id serial_pci_tbl[] = {
pbn_b0_bt_1_921600 },
/*
- * SUNIX (TIMEDIA)
+ * Sunix PCI serial boards
*/
{ PCI_VENDOR_ID_SUNIX, PCI_DEVICE_ID_SUNIX_1999,
- PCI_VENDOR_ID_SUNIX, PCI_ANY_ID,
- PCI_CLASS_COMMUNICATION_SERIAL << 8, 0xffff00,
- pbn_b0_bt_1_921600 },
-
+ PCI_VENDOR_ID_SUNIX, 0x0001, 0, 0,
+ pbn_sunix_pci_1s },
{ PCI_VENDOR_ID_SUNIX, PCI_DEVICE_ID_SUNIX_1999,
- PCI_VENDOR_ID_SUNIX, PCI_ANY_ID,
- PCI_CLASS_COMMUNICATION_MULTISERIAL << 8, 0xffff00,
- pbn_b0_bt_1_921600 },
+ PCI_VENDOR_ID_SUNIX, 0x0002, 0, 0,
+ pbn_sunix_pci_2s },
+ { PCI_VENDOR_ID_SUNIX, PCI_DEVICE_ID_SUNIX_1999,
+ PCI_VENDOR_ID_SUNIX, 0x0004, 0, 0,
+ pbn_sunix_pci_4s },
+ { PCI_VENDOR_ID_SUNIX, PCI_DEVICE_ID_SUNIX_1999,
+ PCI_VENDOR_ID_SUNIX, 0x0084, 0, 0,
+ pbn_sunix_pci_4s },
+ { PCI_VENDOR_ID_SUNIX, PCI_DEVICE_ID_SUNIX_1999,
+ PCI_VENDOR_ID_SUNIX, 0x0008, 0, 0,
+ pbn_sunix_pci_8s },
+ { PCI_VENDOR_ID_SUNIX, PCI_DEVICE_ID_SUNIX_1999,
+ PCI_VENDOR_ID_SUNIX, 0x0088, 0, 0,
+ pbn_sunix_pci_8s },
+ { PCI_VENDOR_ID_SUNIX, PCI_DEVICE_ID_SUNIX_1999,
+ PCI_VENDOR_ID_SUNIX, 0x0010, 0, 0,
+ pbn_sunix_pci_16s },
/*
* AFAVLAB serial card, from Harald Welte <laforge@gnumonks.org>
@@ -5066,6 +5310,46 @@ static const struct pci_device_id serial_pci_tbl[] = {
pbn_ni8430_4 },
/*
+ * MOXA
+ */
+ { PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP102E,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ pbn_moxa8250_2p },
+ { PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP102EL,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ pbn_moxa8250_2p },
+ { PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP104EL_A,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ pbn_moxa8250_4p },
+ { PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP114EL,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ pbn_moxa8250_4p },
+ { PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP116E_A_A,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ pbn_moxa8250_8p },
+ { PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP116E_A_B,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ pbn_moxa8250_8p },
+ { PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP118EL_A,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ pbn_moxa8250_8p },
+ { PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP118E_A_I,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ pbn_moxa8250_8p },
+ { PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP132EL,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ pbn_moxa8250_2p },
+ { PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP134EL_A,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ pbn_moxa8250_4p },
+ { PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP138E_A,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ pbn_moxa8250_8p },
+ { PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP168EL_A,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ pbn_moxa8250_8p },
+
+ /*
* ADDI-DATA GmbH communication cards <info@addi-data.com>
*/
{ PCI_VENDOR_ID_ADDIDATA,
@@ -5292,6 +5576,9 @@ static const struct pci_device_id serial_pci_tbl[] = {
{ PCI_DEVICE(0x1c29, 0x1104), .driver_data = pbn_fintek_4 },
{ PCI_DEVICE(0x1c29, 0x1108), .driver_data = pbn_fintek_8 },
{ PCI_DEVICE(0x1c29, 0x1112), .driver_data = pbn_fintek_12 },
+ { PCI_DEVICE(0x1c29, 0x1204), .driver_data = pbn_fintek_F81504A },
+ { PCI_DEVICE(0x1c29, 0x1208), .driver_data = pbn_fintek_F81508A },
+ { PCI_DEVICE(0x1c29, 0x1212), .driver_data = pbn_fintek_F81512A },
/* MKS Tenta SCOM-080x serial cards */
{ PCI_DEVICE(0x1601, 0x0800), .driver_data = pbn_b0_4_1250000 },
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