8250_pci: add support for National Instruments legacy 8420 RS232 boards

Signed-off-by: Will Page <will.page@ni.com>
Signed-off-by: Shawn Bohrer <shawn.bohrer@ni.com>
Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c
index 2f570c761faf44ff65f82a1deab0cb188f423c13..5b0e80da1c441200520c470a7ba7dde0b89d8dbd 100644 (file)
--- a/drivers/serial/8250_pci.c
+++ b/drivers/serial/8250_pci.c
@@ -306,6 +306,33 @@ static void __devexit pci_plx9050_exit(struct pci_dev *dev)
        }
 }
 
+#define NI8420_INT_ENABLE_REG  0x38
+#define NI8420_INT_ENABLE_BIT  0x2000
+
+static void __devexit pci_ni8420_exit(struct pci_dev *dev)
+{
+       void __iomem *p;
+       unsigned long base, len;
+       unsigned int bar = 0;
+
+       if ((pci_resource_flags(dev, bar) & IORESOURCE_MEM) == 0) {
+               moan_device("no memory in bar", dev);
+               return;
+       }
+
+       base = pci_resource_start(dev, bar);
+       len =  pci_resource_len(dev, bar);
+       p = ioremap_nocache(base, len);
+       if (p == NULL)
+               return;
+
+       /* Disable the CPU Interrupt */
+       writel(readl(p + NI8420_INT_ENABLE_REG) & ~(NI8420_INT_ENABLE_BIT),
+              p + NI8420_INT_ENABLE_REG);
+       iounmap(p);
+}
+
+
 /* MITE registers */
 #define MITE_IOWBSR1   0xc4
 #define MITE_IOWCR1    0xf4
@@ -627,6 +654,31 @@ static int pci_xircom_init(struct pci_dev *dev)
        return 0;
 }
 
+static int pci_ni8420_init(struct pci_dev *dev)
+{
+       void __iomem *p;
+       unsigned long base, len;
+       unsigned int bar = 0;
+
+       if ((pci_resource_flags(dev, bar) & IORESOURCE_MEM) == 0) {
+               moan_device("no memory in bar", dev);
+               return 0;
+       }
+
+       base = pci_resource_start(dev, bar);
+       len =  pci_resource_len(dev, bar);
+       p = ioremap_nocache(base, len);
+       if (p == NULL)
+               return -ENOMEM;
+
+       /* Enable CPU Interrupt */
+       writel(readl(p + NI8420_INT_ENABLE_REG) | NI8420_INT_ENABLE_BIT,
+              p + NI8420_INT_ENABLE_REG);
+
+       iounmap(p);
+       return 0;
+}
+
 #define MITE_IOWBSR1_WSIZE     0xa
 #define MITE_IOWBSR1_WIN_OFFSET        0x800
 #define MITE_IOWBSR1_WENAB     (1 << 7)
@@ -1021,6 +1073,114 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = {
        /*
         * National Instruments
         */
+       {
+               .vendor         = PCI_VENDOR_ID_NI,
+               .device         = PCI_DEVICE_ID_NI_PCI23216,
+               .subvendor      = PCI_ANY_ID,
+               .subdevice      = PCI_ANY_ID,
+               .init           = pci_ni8420_init,
+               .setup          = pci_default_setup,
+               .exit           = __devexit_p(pci_ni8420_exit),
+       },
+       {
+               .vendor         = PCI_VENDOR_ID_NI,
+               .device         = PCI_DEVICE_ID_NI_PCI2328,
+               .subvendor      = PCI_ANY_ID,
+               .subdevice      = PCI_ANY_ID,
+               .init           = pci_ni8420_init,
+               .setup          = pci_default_setup,
+               .exit           = __devexit_p(pci_ni8420_exit),
+       },
+       {
+               .vendor         = PCI_VENDOR_ID_NI,
+               .device         = PCI_DEVICE_ID_NI_PCI2324,
+               .subvendor      = PCI_ANY_ID,
+               .subdevice      = PCI_ANY_ID,
+               .init           = pci_ni8420_init,
+               .setup          = pci_default_setup,
+               .exit           = __devexit_p(pci_ni8420_exit),
+       },
+       {
+               .vendor         = PCI_VENDOR_ID_NI,
+               .device         = PCI_DEVICE_ID_NI_PCI2322,
+               .subvendor      = PCI_ANY_ID,
+               .subdevice      = PCI_ANY_ID,
+               .init           = pci_ni8420_init,
+               .setup          = pci_default_setup,
+               .exit           = __devexit_p(pci_ni8420_exit),
+       },
+       {
+               .vendor         = PCI_VENDOR_ID_NI,
+               .device         = PCI_DEVICE_ID_NI_PCI2324I,
+               .subvendor      = PCI_ANY_ID,
+               .subdevice      = PCI_ANY_ID,
+               .init           = pci_ni8420_init,
+               .setup          = pci_default_setup,
+               .exit           = __devexit_p(pci_ni8420_exit),
+       },
+       {
+               .vendor         = PCI_VENDOR_ID_NI,
+               .device         = PCI_DEVICE_ID_NI_PCI2322I,
+               .subvendor      = PCI_ANY_ID,
+               .subdevice      = PCI_ANY_ID,
+               .init           = pci_ni8420_init,
+               .setup          = pci_default_setup,
+               .exit           = __devexit_p(pci_ni8420_exit),
+       },
+       {
+               .vendor         = PCI_VENDOR_ID_NI,
+               .device         = PCI_DEVICE_ID_NI_PXI8420_23216,
+               .subvendor      = PCI_ANY_ID,
+               .subdevice      = PCI_ANY_ID,
+               .init           = pci_ni8420_init,
+               .setup          = pci_default_setup,
+               .exit           = __devexit_p(pci_ni8420_exit),
+       },
+       {
+               .vendor         = PCI_VENDOR_ID_NI,
+               .device         = PCI_DEVICE_ID_NI_PXI8420_2328,
+               .subvendor      = PCI_ANY_ID,
+               .subdevice      = PCI_ANY_ID,
+               .init           = pci_ni8420_init,
+               .setup          = pci_default_setup,
+               .exit           = __devexit_p(pci_ni8420_exit),
+       },
+       {
+               .vendor         = PCI_VENDOR_ID_NI,
+               .device         = PCI_DEVICE_ID_NI_PXI8420_2324,
+               .subvendor      = PCI_ANY_ID,
+               .subdevice      = PCI_ANY_ID,
+               .init           = pci_ni8420_init,
+               .setup          = pci_default_setup,
+               .exit           = __devexit_p(pci_ni8420_exit),
+       },
+       {
+               .vendor         = PCI_VENDOR_ID_NI,
+               .device         = PCI_DEVICE_ID_NI_PXI8420_2322,
+               .subvendor      = PCI_ANY_ID,
+               .subdevice      = PCI_ANY_ID,
+               .init           = pci_ni8420_init,
+               .setup          = pci_default_setup,
+               .exit           = __devexit_p(pci_ni8420_exit),
+       },
+       {
+               .vendor         = PCI_VENDOR_ID_NI,
+               .device         = PCI_DEVICE_ID_NI_PXI8422_2324,
+               .subvendor      = PCI_ANY_ID,
+               .subdevice      = PCI_ANY_ID,
+               .init           = pci_ni8420_init,
+               .setup          = pci_default_setup,
+               .exit           = __devexit_p(pci_ni8420_exit),
+       },
+       {
+               .vendor         = PCI_VENDOR_ID_NI,
+               .device         = PCI_DEVICE_ID_NI_PXI8422_2322,
+               .subvendor      = PCI_ANY_ID,
+               .subdevice      = PCI_ANY_ID,
+               .init           = pci_ni8420_init,
+               .setup          = pci_default_setup,
+               .exit           = __devexit_p(pci_ni8420_exit),
+       },
        {
                .vendor         = PCI_VENDOR_ID_NI,
                .device         = PCI_ANY_ID,
@@ -1334,6 +1494,7 @@ enum pci_board_num_t {
        pbn_b1_2_115200,
        pbn_b1_4_115200,
        pbn_b1_8_115200,
+       pbn_b1_16_115200,
 
        pbn_b1_1_921600,
        pbn_b1_2_921600,
@@ -1343,6 +1504,9 @@ enum pci_board_num_t {
        pbn_b1_2_1250000,
 
        pbn_b1_bt_1_115200,
+       pbn_b1_bt_2_115200,
+       pbn_b1_bt_4_115200,
+
        pbn_b1_bt_2_921600,
 
        pbn_b1_1_1382400,
@@ -1609,6 +1773,12 @@ static struct pciserial_board pci_boards[] __devinitdata = {
                .base_baud      = 115200,
                .uart_offset    = 8,
        },
+       [pbn_b1_16_115200] = {
+               .flags          = FL_BASE1,
+               .num_ports      = 16,
+               .base_baud      = 115200,
+               .uart_offset    = 8,
+       },
 
        [pbn_b1_1_921600] = {
                .flags          = FL_BASE1,
@@ -1647,6 +1817,18 @@ static struct pciserial_board pci_boards[] __devinitdata = {
                .base_baud      = 115200,
                .uart_offset    = 8,
        },
+       [pbn_b1_bt_2_115200] = {
+               .flags          = FL_BASE1|FL_BASE_BARS,
+               .num_ports      = 2,
+               .base_baud      = 115200,
+               .uart_offset    = 8,
+       },
+       [pbn_b1_bt_4_115200] = {
+               .flags          = FL_BASE1|FL_BASE_BARS,
+               .num_ports      = 4,
+               .base_baud      = 115200,
+               .uart_offset    = 8,
+       },
 
        [pbn_b1_bt_2_921600] = {
                .flags          = FL_BASE1|FL_BASE_BARS,
@@ -3207,6 +3389,42 @@ static struct pci_device_id serial_pci_tbl[] = {
        /*
         * National Instruments
         */
+       {       PCI_VENDOR_ID_NI, PCI_DEVICE_ID_NI_PCI23216,
+               PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+               pbn_b1_16_115200 },
+       {       PCI_VENDOR_ID_NI, PCI_DEVICE_ID_NI_PCI2328,
+               PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+               pbn_b1_8_115200 },
+       {       PCI_VENDOR_ID_NI, PCI_DEVICE_ID_NI_PCI2324,
+               PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+               pbn_b1_bt_4_115200 },
+       {       PCI_VENDOR_ID_NI, PCI_DEVICE_ID_NI_PCI2322,
+               PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+               pbn_b1_bt_2_115200 },
+       {       PCI_VENDOR_ID_NI, PCI_DEVICE_ID_NI_PCI2324I,
+               PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+               pbn_b1_bt_4_115200 },
+       {       PCI_VENDOR_ID_NI, PCI_DEVICE_ID_NI_PCI2322I,
+               PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+               pbn_b1_bt_2_115200 },
+       {       PCI_VENDOR_ID_NI, PCI_DEVICE_ID_NI_PXI8420_23216,
+               PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+               pbn_b1_16_115200 },
+       {       PCI_VENDOR_ID_NI, PCI_DEVICE_ID_NI_PXI8420_2328,
+               PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+               pbn_b1_8_115200 },
+       {       PCI_VENDOR_ID_NI, PCI_DEVICE_ID_NI_PXI8420_2324,
+               PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+               pbn_b1_bt_4_115200 },
+       {       PCI_VENDOR_ID_NI, PCI_DEVICE_ID_NI_PXI8420_2322,
+               PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+               pbn_b1_bt_2_115200 },
+       {       PCI_VENDOR_ID_NI, PCI_DEVICE_ID_NI_PXI8422_2324,
+               PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+               pbn_b1_bt_4_115200 },
+       {       PCI_VENDOR_ID_NI, PCI_DEVICE_ID_NI_PXI8422_2322,
+               PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+               pbn_b1_bt_2_115200 },
        {       PCI_VENDOR_ID_NI, PCI_DEVICE_ID_NI_PXI8430_2322,
                PCI_ANY_ID, PCI_ANY_ID, 0, 0,
                pbn_ni8430_2 },

diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 449e7d9d549fc5aff2e96a362c37cfe67d0d0d08..ee98cd570885f6f7b8ee8ba61d0546ad929ed872 100644 (file)
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -945,6 +945,18 @@
 #define PCI_DEVICE_ID_SUN_CASSINI      0xabba
 
 #define PCI_VENDOR_ID_NI               0x1093
+#define PCI_DEVICE_ID_NI_PCI2322       0xd130
+#define PCI_DEVICE_ID_NI_PCI2324       0xd140
+#define PCI_DEVICE_ID_NI_PCI2328       0xd150
+#define PCI_DEVICE_ID_NI_PXI8422_2322  0xd190
+#define PCI_DEVICE_ID_NI_PXI8422_2324  0xd1a0
+#define PCI_DEVICE_ID_NI_PXI8420_2322  0xd1d0
+#define PCI_DEVICE_ID_NI_PXI8420_2324  0xd1e0
+#define PCI_DEVICE_ID_NI_PXI8420_2328  0xd1f0
+#define PCI_DEVICE_ID_NI_PXI8420_23216 0xd1f1
+#define PCI_DEVICE_ID_NI_PCI2322I      0xd250
+#define PCI_DEVICE_ID_NI_PCI2324I      0xd270
+#define PCI_DEVICE_ID_NI_PCI23216      0xd2b0
 #define PCI_DEVICE_ID_NI_PXI8430_2322  0x7080
 #define PCI_DEVICE_ID_NI_PCI8430_2322  0x70db
 #define PCI_DEVICE_ID_NI_PXI8430_2324  0x70dd