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Subject[PATCH] 2.5.69 synclink.c
From
Date
* Add support for hardware version 2 (universal PCI) of synclink adapter
* Use mod_timer() function

Please apply.

--
Paul Fulghum, paulkf@microgate.com
Microgate Corporation, http://www.microgate.com


--- linux-2.5.69/drivers/char/synclink.c 2003-05-06 14:16:19.000000000 -0500
+++ linux-2.5.69-mg/drivers/char/synclink.c 2003-05-06 16:29:47.000000000 -0500
@@ -1,7 +1,7 @@
/*
* linux/drivers/char/synclink.c
*
- * $Id: synclink.c,v 4.6 2003/04/21 17:46:54 paulkf Exp $
+ * $Id: synclink.c,v 4.9 2003/05/06 21:18:51 paulkf Exp $
*
* Device driver for Microgate SyncLink ISA and PCI
* high speed multiprotocol serial adapters.
@@ -193,6 +193,7 @@
int flags;
int count; /* count of opens */
int line;
+ int hw_version;
unsigned short close_delay;
unsigned short closing_wait; /* time to wait before closing */

@@ -917,7 +918,7 @@
MODULE_PARM(txholdbufs,"1-" __MODULE_STRING(MAX_TOTAL_DEVICES) "i");

static char *driver_name = "SyncLink serial driver";
-static char *driver_version = "$Revision: 4.6 $";
+static char *driver_version = "$Revision: 4.9 $";

static int synclink_init_one (struct pci_dev *dev,
const struct pci_device_id *ent);
@@ -925,6 +926,7 @@

static struct pci_device_id synclink_pci_tbl[] __devinitdata = {
{ PCI_VENDOR_ID_MICROGATE, PCI_DEVICE_ID_MICROGATE_USC, PCI_ANY_ID, PCI_ANY_ID, },
+ { PCI_VENDOR_ID_MICROGATE, 0x0210, PCI_ANY_ID, PCI_ANY_ID, },
{ 0, }, /* terminate list */
};
MODULE_DEVICE_TABLE(pci, synclink_pci_tbl);
@@ -4216,9 +4218,7 @@
info->get_tx_holding_index=0;

/* restart transmit timer */
- del_timer(&info->tx_timer);
- info->tx_timer.expires = jiffies + jiffies_from_ms(5000);
- add_timer(&info->tx_timer);
+ mod_timer(&info->tx_timer, jiffies + jiffies_from_ms(5000));

ret = 1;
}
@@ -4436,12 +4436,12 @@
info->max_frame_size = 65535;

if ( info->bus_type == MGSL_BUS_TYPE_PCI ) {
- printk( "SyncLink device %s added:PCI bus IO=%04X IRQ=%d Mem=%08X LCR=%08X MaxFrameSize=%u\n",
- info->device_name, info->io_base, info->irq_level,
+ printk( "SyncLink PCI v%d %s: IO=%04X IRQ=%d Mem=%08X,%08X MaxFrameSize=%u\n",
+ info->hw_version + 1, info->device_name, info->io_base, info->irq_level,
info->phys_memory_base, info->phys_lcr_base,
info->max_frame_size );
} else {
- printk( "SyncLink device %s added:ISA bus IO=%04X IRQ=%d DMA=%d MaxFrameSize=%u\n",
+ printk( "SyncLink ISA %s: IO=%04X IRQ=%d DMA=%d MaxFrameSize=%u\n",
info->device_name, info->io_base, info->irq_level, info->dma_level,
info->max_frame_size );
}
@@ -5296,10 +5296,11 @@
info->mbre_bit = BIT8;
outw( BIT8, info->io_base ); /* set Master Bus Enable (DCAR) */

- /* Enable DMAEN (Port 7, Bit 14) */
- /* This connects the DMA request signal to the ISA bus */
- /* on the ISA adapter. This has no effect for the PCI adapter */
- usc_OutReg( info, PCR, (u16)((usc_InReg(info, PCR) | BIT15) & ~BIT14) );
+ if (info->bus_type == MGSL_BUS_TYPE_ISA) {
+ /* Enable DMAEN (Port 7, Bit 14) */
+ /* This connects the DMA request signal to the ISA bus */
+ usc_OutReg(info, PCR, (u16)((usc_InReg(info, PCR) | BIT15) & ~BIT14));
+ }

/* DMA Control Register (DCR)
*
@@ -6276,10 +6277,11 @@

usc_EnableMasterIrqBit( info );

- /* Enable INTEN (Port 6, Bit12) */
- /* This connects the IRQ request signal to the ISA bus */
- /* on the ISA adapter. This has no effect for the PCI adapter */
- usc_OutReg( info, PCR, (u16)((usc_InReg(info, PCR) | BIT13) & ~BIT12) );
+ if (info->bus_type == MGSL_BUS_TYPE_ISA) {
+ /* Enable INTEN (Port 6, Bit12) */
+ /* This connects the IRQ request signal to the ISA bus */
+ usc_OutReg(info, PCR, (u16)((usc_InReg(info, PCR) | BIT13) & ~BIT12));
+ }

} /* end of usc_set_async_mode() */

@@ -6370,10 +6372,11 @@
usc_loopback_frame( info );
usc_set_sdlc_mode( info );

- /* Enable INTEN (Port 6, Bit12) */
- /* This connects the IRQ request signal to the ISA bus */
- /* on the ISA adapter. This has no effect for the PCI adapter */
- usc_OutReg(info, PCR, (u16)((usc_InReg(info, PCR) | BIT13) & ~BIT12));
+ if (info->bus_type == MGSL_BUS_TYPE_ISA) {
+ /* Enable INTEN (Port 6, Bit12) */
+ /* This connects the IRQ request signal to the ISA bus */
+ usc_OutReg(info, PCR, (u16)((usc_InReg(info, PCR) | BIT13) & ~BIT12));
+ }

usc_enable_aux_clock(info, info->params.clock_speed);

@@ -8115,17 +8118,20 @@
info->bus_type = MGSL_BUS_TYPE_PCI;
info->io_addr_size = 8;
info->irq_flags = SA_SHIRQ;
-
- /* Store the PCI9050 misc control register value because a flaw
- * in the PCI9050 prevents LCR registers from being read if
- * BIOS assigns an LCR base address with bit 7 set.
- *
- * Only the misc control register is accessed for which only
- * write access is needed, so set an initial value and change
- * bits to the device instance data as we write the value
- * to the actual misc control register.
- */
- info->misc_ctrl_value = 0x087e4546;
+
+ if (dev->device == 0x0210) {
+ /* Version 1 PCI9030 based universal PCI adapter */
+ info->misc_ctrl_value = 0x007c4080;
+ info->hw_version = 1;
+ } else {
+ /* Version 0 PCI9050 based 5V PCI adapter
+ * A PCI9050 bug prevents reading LCR registers if
+ * LCR base address bit 7 is set. Maintain shadow
+ * value so we can write to LCR misc control reg.
+ */
+ info->misc_ctrl_value = 0x087e4546;
+ info->hw_version = 0;
+ }

mgsl_add_device(info);



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