Pull pnpacpi into release branch
[sfrench/cifs-2.6.git] / drivers / net / irda / smsc-ircc2.c
index a1d207f2fa68e0c26f54267539ab169dfd40bff0..a4674044bd6f3c536b7abf195c7d4b480268ec97 100644 (file)
@@ -11,6 +11,7 @@
  *     Copyright (c) 2002      Daniele Peri
  *     All Rights Reserved.
  *     Copyright (c) 2002      Jean Tourrilhes
+ *     Copyright (c) 2006      Linus Walleij
  *
  *
  * Based on smc-ircc.c:
@@ -53,6 +54,7 @@
 #include <linux/rtnetlink.h>
 #include <linux/serial_reg.h>
 #include <linux/dma-mapping.h>
+#include <linux/pnp.h>
 #include <linux/platform_device.h>
 
 #include <asm/io.h>
@@ -61,6 +63,9 @@
 
 #include <linux/spinlock.h>
 #include <linux/pm.h>
+#ifdef CONFIG_PCI
+#include <linux/pci.h>
+#endif
 
 #include <net/irda/wrapper.h>
 #include <net/irda/irda.h>
@@ -100,6 +105,22 @@ MODULE_PARM_DESC(ircc_transceiver, "Transceiver type");
 
 /* Types */
 
+#ifdef CONFIG_PCI
+struct smsc_ircc_subsystem_configuration {
+       unsigned short vendor; /* PCI vendor ID */
+       unsigned short device; /* PCI vendor ID */
+       unsigned short subvendor; /* PCI subsystem vendor ID */
+       unsigned short subdevice; /* PCI sybsystem device ID */
+       unsigned short sir_io; /* I/O port for SIR */
+       unsigned short fir_io; /* I/O port for FIR */
+       unsigned char  fir_irq; /* FIR IRQ */
+       unsigned char  fir_dma; /* FIR DMA */
+       unsigned short cfg_base; /* I/O port for chip configuration */
+       int (*preconfigure)(struct pci_dev *dev, struct smsc_ircc_subsystem_configuration *conf); /* Preconfig function */
+       const char *name;       /* name shown as info */
+};
+#endif
+
 struct smsc_transceiver {
        char *name;
        void (*set_for_speed)(int fir_base, u32 speed);
@@ -202,6 +223,18 @@ static int __init smsc_superio_flat(const struct smsc_chip *chips, unsigned shor
 static int __init smsc_superio_paged(const struct smsc_chip *chips, unsigned short cfg_base, char *type);
 static int __init smsc_superio_fdc(unsigned short cfg_base);
 static int __init smsc_superio_lpc(unsigned short cfg_base);
+#ifdef CONFIG_PCI
+static int __init preconfigure_smsc_chip(struct smsc_ircc_subsystem_configuration *conf);
+static int __init preconfigure_through_82801(struct pci_dev *dev, struct smsc_ircc_subsystem_configuration *conf);
+static void __init preconfigure_ali_port(struct pci_dev *dev,
+                                        unsigned short port);
+static int __init preconfigure_through_ali(struct pci_dev *dev, struct smsc_ircc_subsystem_configuration *conf);
+static int __init smsc_ircc_preconfigure_subsystems(unsigned short ircc_cfg,
+                                                   unsigned short ircc_fir,
+                                                   unsigned short ircc_sir,
+                                                   unsigned char ircc_dma,
+                                                   unsigned char ircc_irq);
+#endif
 
 /* Transceivers specific functions */
 
@@ -214,14 +247,15 @@ static int  smsc_ircc_probe_transceiver_smsc_ircc_atc(int fir_base);
 
 /* Power Management */
 
-static int smsc_ircc_suspend(struct device *dev, pm_message_t state);
-static int smsc_ircc_resume(struct device *dev);
+static int smsc_ircc_suspend(struct platform_device *dev, pm_message_t state);
+static int smsc_ircc_resume(struct platform_device *dev);
 
-static struct device_driver smsc_ircc_driver = {
-       .name           = SMSC_IRCC2_DRIVER_NAME,
-       .bus            = &platform_bus_type,
+static struct platform_driver smsc_ircc_driver = {
        .suspend        = smsc_ircc_suspend,
        .resume         = smsc_ircc_resume,
+       .driver         = {
+               .name   = SMSC_IRCC2_DRIVER_NAME,
+       },
 };
 
 /* Transceivers for SMSC-ircc */
@@ -325,6 +359,16 @@ static inline void register_bank(int iobase, int bank)
                iobase + IRCC_MASTER);
 }
 
+#ifdef CONFIG_PNP
+/* PNP hotplug support */
+static const struct pnp_device_id smsc_ircc_pnp_table[] = {
+       { .id = "SMCf010", .driver_data = 0 },
+       /* and presumably others */
+       { }
+};
+MODULE_DEVICE_TABLE(pnp, smsc_ircc_pnp_table);
+#endif
+
 
 /*******************************************************************************
  *
@@ -346,12 +390,19 @@ static int __init smsc_ircc_init(void)
 
        IRDA_DEBUG(1, "%s\n", __FUNCTION__);
 
-       ret = driver_register(&smsc_ircc_driver);
+       ret = platform_driver_register(&smsc_ircc_driver);
        if (ret) {
                IRDA_ERROR("%s, Can't register driver!\n", driver_name);
                return ret;
        }
 
+#ifdef CONFIG_PCI
+       if (smsc_ircc_preconfigure_subsystems(ircc_cfg, ircc_fir, ircc_sir, ircc_dma, ircc_irq) < 0) {
+               /* Ignore errors from preconfiguration */
+               IRDA_ERROR("%s, Preconfiguration failed !\n", driver_name);
+       }
+#endif
+
        dev_count = 0;
 
        if (ircc_fir > 0 && ircc_sir > 0) {
@@ -378,7 +429,7 @@ static int __init smsc_ircc_init(void)
        }
 
        if (ret)
-               driver_unregister(&smsc_ircc_driver);
+               platform_driver_unregister(&smsc_ircc_driver);
 
        return ret;
 }
@@ -491,7 +542,7 @@ static int __init smsc_ircc_open(unsigned int fir_base, unsigned int sir_base, u
                err = PTR_ERR(self->pldev);
                goto err_out5;
        }
-       dev_set_drvdata(&self->pldev->dev, self);
+       platform_set_drvdata(self->pldev, self);
 
        IRDA_MESSAGE("IrDA: Registered device %s\n", dev->name);
        dev_count++;
@@ -1685,9 +1736,9 @@ static int smsc_ircc_net_close(struct net_device *dev)
        return 0;
 }
 
-static int smsc_ircc_suspend(struct device *dev, pm_message_t state)
+static int smsc_ircc_suspend(struct platform_device *dev, pm_message_t state)
 {
-       struct smsc_ircc_cb *self = dev_get_drvdata(dev);
+       struct smsc_ircc_cb *self = platform_get_drvdata(dev);
 
        if (!self->io.suspended) {
                IRDA_DEBUG(1, "%s, Suspending\n", driver_name);
@@ -1706,9 +1757,9 @@ static int smsc_ircc_suspend(struct device *dev, pm_message_t state)
        return 0;
 }
 
-static int smsc_ircc_resume(struct device *dev)
+static int smsc_ircc_resume(struct platform_device *dev)
 {
-       struct smsc_ircc_cb *self = dev_get_drvdata(dev);
+       struct smsc_ircc_cb *self = platform_get_drvdata(dev);
 
        if (self->io.suspended) {
                IRDA_DEBUG(1, "%s, Waking up\n", driver_name);
@@ -1788,7 +1839,7 @@ static void __exit smsc_ircc_cleanup(void)
                        smsc_ircc_close(dev_self[i]);
        }
 
-       driver_unregister(&smsc_ircc_driver);
+       platform_driver_unregister(&smsc_ircc_driver);
 }
 
 /*
@@ -2032,7 +2083,8 @@ static void smsc_ircc_sir_wait_hw_transmitter_finish(struct smsc_ircc_cb *self)
 
 /* PROBING
  *
- *
+ * REVISIT we can be told about the device by PNP, and should use that info
+ * instead of probing hardware and creating a platform_device ...
  */
 
 static int __init smsc_ircc_look_for_chips(void)
@@ -2284,6 +2336,490 @@ static int __init smsc_superio_lpc(unsigned short cfg_base)
        return ret;
 }
 
+/*
+ * Look for some specific subsystem setups that need
+ * pre-configuration not properly done by the BIOS (especially laptops)
+ * This code is based in part on smcinit.c, tosh1800-smcinit.c
+ * and tosh2450-smcinit.c. The table lists the device entries
+ * for ISA bridges with an LPC (Low Pin Count) controller which
+ * handles the communication with the SMSC device. After the LPC
+ * controller is initialized through PCI, the SMSC device is initialized
+ * through a dedicated port in the ISA port-mapped I/O area, this latter
+ * area is used to configure the SMSC device with default
+ * SIR and FIR I/O ports, DMA and IRQ. Different vendors have
+ * used different sets of parameters and different control port
+ * addresses making a subsystem device table necessary.
+ */
+#ifdef CONFIG_PCI
+#define PCIID_VENDOR_INTEL 0x8086
+#define PCIID_VENDOR_ALI 0x10b9
+static struct smsc_ircc_subsystem_configuration subsystem_configurations[] __devinitdata = {
+       {
+               .vendor = PCIID_VENDOR_INTEL, /* Intel 82801DBM LPC bridge */
+               .device = 0x24cc,
+               .subvendor = 0x103c,
+               .subdevice = 0x088c,
+               /* Quite certain these are the same for nc8000 as for nc6000 */
+               .sir_io = 0x02f8,
+               .fir_io = 0x0130,
+               .fir_irq = 0x05,
+               .fir_dma = 0x03,
+               .cfg_base = 0x004e,
+               .preconfigure = preconfigure_through_82801,
+               .name = "HP nc8000",
+       },
+       {
+               .vendor = PCIID_VENDOR_INTEL, /* Intel 82801DBM LPC bridge */
+               .device = 0x24cc,
+               .subvendor = 0x103c,
+               .subdevice = 0x0890,
+               .sir_io = 0x02f8,
+               .fir_io = 0x0130,
+               .fir_irq = 0x05,
+               .fir_dma = 0x03,
+               .cfg_base = 0x004e,
+               .preconfigure = preconfigure_through_82801,
+               .name = "HP nc6000",
+       },
+       {
+               /* Intel 82801DB/DBL (ICH4/ICH4-L) LPC Interface Bridge */
+               .vendor = PCIID_VENDOR_INTEL,
+               .device = 0x24c0,
+               .subvendor = 0x1179,
+               .subdevice = 0xffff, /* 0xffff is "any" */
+               .sir_io = 0x03f8,
+               .fir_io = 0x0130,
+               .fir_irq = 0x07,
+               .fir_dma = 0x01,
+               .cfg_base = 0x002e,
+               .preconfigure = preconfigure_through_82801,
+               .name = "Toshiba laptop with Intel 82801DB/DBL LPC bridge",
+       },
+       {
+               .vendor = PCIID_VENDOR_INTEL, /* Intel 82801CAM ISA bridge */
+               .device = 0x248c,
+               .subvendor = 0x1179,
+               .subdevice = 0xffff, /* 0xffff is "any" */
+               .sir_io = 0x03f8,
+               .fir_io = 0x0130,
+               .fir_irq = 0x03,
+               .fir_dma = 0x03,
+               .cfg_base = 0x002e,
+               .preconfigure = preconfigure_through_82801,
+               .name = "Toshiba laptop with Intel 82801CAM ISA bridge",
+       },
+       {
+               /* 82801DBM (ICH4-M) LPC Interface Bridge */
+               .vendor = PCIID_VENDOR_INTEL,
+               .device = 0x24cc,
+               .subvendor = 0x1179,
+               .subdevice = 0xffff, /* 0xffff is "any" */
+               .sir_io = 0x03f8,
+               .fir_io = 0x0130,
+               .fir_irq = 0x03,
+               .fir_dma = 0x03,
+               .cfg_base = 0x002e,
+               .preconfigure = preconfigure_through_82801,
+               .name = "Toshiba laptop with Intel 8281DBM LPC bridge",
+       },
+       {
+               /* ALi M1533/M1535 PCI to ISA Bridge [Aladdin IV/V/V+] */
+               .vendor = PCIID_VENDOR_ALI,
+               .device = 0x1533,
+               .subvendor = 0x1179,
+               .subdevice = 0xffff, /* 0xffff is "any" */
+               .sir_io = 0x02e8,
+               .fir_io = 0x02f8,
+               .fir_irq = 0x07,
+               .fir_dma = 0x03,
+               .cfg_base = 0x002e,
+               .preconfigure = preconfigure_through_ali,
+               .name = "Toshiba laptop with ALi ISA bridge",
+       },
+       { } // Terminator
+};
+
+
+/*
+ * This sets up the basic SMSC parameters
+ * (FIR port, SIR port, FIR DMA, FIR IRQ)
+ * through the chip configuration port.
+ */
+static int __init preconfigure_smsc_chip(struct
+                                        smsc_ircc_subsystem_configuration
+                                        *conf)
+{
+       unsigned short iobase = conf->cfg_base;
+       unsigned char tmpbyte;
+
+       outb(LPC47N227_CFGACCESSKEY, iobase); // enter configuration state
+       outb(SMSCSIOFLAT_DEVICEID_REG, iobase); // set for device ID
+       tmpbyte = inb(iobase +1); // Read device ID
+       IRDA_DEBUG(0,
+                  "Detected Chip id: 0x%02x, setting up registers...\n",
+                  tmpbyte);
+
+       /* Disable UART1 and set up SIR I/O port */
+       outb(0x24, iobase);  // select CR24 - UART1 base addr
+       outb(0x00, iobase + 1); // disable UART1
+       outb(SMSCSIOFLAT_UART2BASEADDR_REG, iobase);  // select CR25 - UART2 base addr
+       outb( (conf->sir_io >> 2), iobase + 1); // bits 2-9 of 0x3f8
+       tmpbyte = inb(iobase + 1);
+       if (tmpbyte != (conf->sir_io >> 2) ) {
+               IRDA_WARNING("ERROR: could not configure SIR ioport.\n");
+               IRDA_WARNING("Try to supply ircc_cfg argument.\n");
+               return -ENXIO;
+       }
+
+       /* Set up FIR IRQ channel for UART2 */
+       outb(SMSCSIOFLAT_UARTIRQSELECT_REG, iobase); // select CR28 - UART1,2 IRQ select
+       tmpbyte = inb(iobase + 1);
+       tmpbyte &= SMSCSIOFLAT_UART1IRQSELECT_MASK; // Do not touch the UART1 portion
+       tmpbyte |= (conf->fir_irq & SMSCSIOFLAT_UART2IRQSELECT_MASK);
+       outb(tmpbyte, iobase + 1);
+       tmpbyte = inb(iobase + 1) & SMSCSIOFLAT_UART2IRQSELECT_MASK;
+       if (tmpbyte != conf->fir_irq) {
+               IRDA_WARNING("ERROR: could not configure FIR IRQ channel.\n");
+               return -ENXIO;
+       }
+
+       /* Set up FIR I/O port */
+       outb(SMSCSIOFLAT_FIRBASEADDR_REG, iobase);  // CR2B - SCE (FIR) base addr
+       outb((conf->fir_io >> 3), iobase + 1);
+       tmpbyte = inb(iobase + 1);
+       if (tmpbyte != (conf->fir_io >> 3) ) {
+               IRDA_WARNING("ERROR: could not configure FIR I/O port.\n");
+               return -ENXIO;
+       }
+
+       /* Set up FIR DMA channel */
+       outb(SMSCSIOFLAT_FIRDMASELECT_REG, iobase);  // CR2C - SCE (FIR) DMA select
+       outb((conf->fir_dma & LPC47N227_FIRDMASELECT_MASK), iobase + 1); // DMA
+       tmpbyte = inb(iobase + 1) & LPC47N227_FIRDMASELECT_MASK;
+       if (tmpbyte != (conf->fir_dma & LPC47N227_FIRDMASELECT_MASK)) {
+               IRDA_WARNING("ERROR: could not configure FIR DMA channel.\n");
+               return -ENXIO;
+       }
+
+       outb(SMSCSIOFLAT_UARTMODE0C_REG, iobase);  // CR0C - UART mode
+       tmpbyte = inb(iobase + 1);
+       tmpbyte &= ~SMSCSIOFLAT_UART2MODE_MASK |
+               SMSCSIOFLAT_UART2MODE_VAL_IRDA;
+       outb(tmpbyte, iobase + 1); // enable IrDA (HPSIR) mode, high speed
+
+       outb(LPC47N227_APMBOOTDRIVE_REG, iobase);  // CR07 - Auto Pwr Mgt/boot drive sel
+       tmpbyte = inb(iobase + 1);
+       outb(tmpbyte | LPC47N227_UART2AUTOPWRDOWN_MASK, iobase + 1); // enable UART2 autopower down
+
+       /* This one was not part of tosh1800 */
+       outb(0x0a, iobase);  // CR0a - ecp fifo / ir mux
+       tmpbyte = inb(iobase + 1);
+       outb(tmpbyte | 0x40, iobase + 1); // send active device to ir port
+
+       outb(LPC47N227_UART12POWER_REG, iobase);  // CR02 - UART 1,2 power
+       tmpbyte = inb(iobase + 1);
+       outb(tmpbyte | LPC47N227_UART2POWERDOWN_MASK, iobase + 1); // UART2 power up mode, UART1 power down
+
+       outb(LPC47N227_FDCPOWERVALIDCONF_REG, iobase);  // CR00 - FDC Power/valid config cycle
+       tmpbyte = inb(iobase + 1);
+       outb(tmpbyte | LPC47N227_VALID_MASK, iobase + 1); // valid config cycle done
+
+       outb(LPC47N227_CFGEXITKEY, iobase);  // Exit configuration
+
+       return 0;
+}
+
+/* 82801CAM generic registers */
+#define VID 0x00
+#define DID 0x02
+#define PIRQ_A_D_ROUT 0x60
+#define SIRQ_CNTL 0x64
+#define PIRQ_E_H_ROUT 0x68
+#define PCI_DMA_C 0x90
+/* LPC-specific registers */
+#define COM_DEC 0xe0
+#define GEN1_DEC 0xe4
+#define LPC_EN 0xe6
+#define GEN2_DEC 0xec
+/*
+ * Sets up the I/O range using the 82801CAM ISA bridge, 82801DBM LPC bridge
+ * or Intel 82801DB/DBL (ICH4/ICH4-L) LPC Interface Bridge.
+ * They all work the same way!
+ */
+static int __init preconfigure_through_82801(struct pci_dev *dev,
+                                            struct
+                                            smsc_ircc_subsystem_configuration
+                                            *conf)
+{
+       unsigned short tmpword;
+       unsigned char tmpbyte;
+
+       IRDA_MESSAGE("Setting up Intel 82801 controller and SMSC device\n");
+       /*
+        * Select the range for the COMA COM port (SIR)
+        * Register COM_DEC:
+        * Bit 7: reserved
+        * Bit 6-4, COMB decode range
+        * Bit 3: reserved
+        * Bit 2-0, COMA decode range
+        *
+        * Decode ranges:
+        *   000 = 0x3f8-0x3ff (COM1)
+        *   001 = 0x2f8-0x2ff (COM2)
+        *   010 = 0x220-0x227
+        *   011 = 0x228-0x22f
+        *   100 = 0x238-0x23f
+        *   101 = 0x2e8-0x2ef (COM4)
+        *   110 = 0x338-0x33f
+        *   111 = 0x3e8-0x3ef (COM3)
+        */
+       pci_read_config_byte(dev, COM_DEC, &tmpbyte);
+       tmpbyte &= 0xf8; /* mask COMA bits */
+       switch(conf->sir_io) {
+       case 0x3f8:
+               tmpbyte |= 0x00;
+               break;
+       case 0x2f8:
+               tmpbyte |= 0x01;
+               break;
+       case 0x220:
+               tmpbyte |= 0x02;
+               break;
+       case 0x228:
+               tmpbyte |= 0x03;
+               break;
+       case 0x238:
+               tmpbyte |= 0x04;
+               break;
+       case 0x2e8:
+               tmpbyte |= 0x05;
+               break;
+       case 0x338:
+               tmpbyte |= 0x06;
+               break;
+       case 0x3e8:
+               tmpbyte |= 0x07;
+               break;
+       default:
+               tmpbyte |= 0x01; /* COM2 default */
+       }
+       IRDA_DEBUG(1, "COM_DEC (write): 0x%02x\n", tmpbyte);
+       pci_write_config_byte(dev, COM_DEC, tmpbyte);
+
+       /* Enable Low Pin Count interface */
+       pci_read_config_word(dev, LPC_EN, &tmpword);
+       /* These seem to be set up at all times,
+        * just make sure it is properly set.
+        */
+       switch(conf->cfg_base) {
+       case 0x04e:
+               tmpword |= 0x2000;
+               break;
+       case 0x02e:
+               tmpword |= 0x1000;
+               break;
+       case 0x062:
+               tmpword |= 0x0800;
+               break;
+       case 0x060:
+               tmpword |= 0x0400;
+               break;
+       default:
+               IRDA_WARNING("Uncommon I/O base address: 0x%04x\n",
+                            conf->cfg_base);
+               break;
+       }
+       tmpword &= 0xfffd; /* disable LPC COMB */
+       tmpword |= 0x0001; /* set bit 0 : enable LPC COMA addr range (GEN2) */
+       IRDA_DEBUG(1, "LPC_EN (write): 0x%04x\n", tmpword);
+       pci_write_config_word(dev, LPC_EN, tmpword);
+
+       /*
+        * Configure LPC DMA channel
+        * PCI_DMA_C bits:
+        * Bit 15-14: DMA channel 7 select
+        * Bit 13-12: DMA channel 6 select
+        * Bit 11-10: DMA channel 5 select
+        * Bit 9-8:   Reserved
+        * Bit 7-6:   DMA channel 3 select
+        * Bit 5-4:   DMA channel 2 select
+        * Bit 3-2:   DMA channel 1 select
+        * Bit 1-0:   DMA channel 0 select
+        *  00 = Reserved value
+        *  01 = PC/PCI DMA
+        *  10 = Reserved value
+        *  11 = LPC I/F DMA
+        */
+       pci_read_config_word(dev, PCI_DMA_C, &tmpword);
+       switch(conf->fir_dma) {
+       case 0x07:
+               tmpword |= 0xc000;
+               break;
+       case 0x06:
+               tmpword |= 0x3000;
+               break;
+       case 0x05:
+               tmpword |= 0x0c00;
+               break;
+       case 0x03:
+               tmpword |= 0x00c0;
+               break;
+       case 0x02:
+               tmpword |= 0x0030;
+               break;
+       case 0x01:
+               tmpword |= 0x000c;
+               break;
+       case 0x00:
+               tmpword |= 0x0003;
+               break;
+       default:
+               break; /* do not change settings */
+       }
+       IRDA_DEBUG(1, "PCI_DMA_C (write): 0x%04x\n", tmpword);
+       pci_write_config_word(dev, PCI_DMA_C, tmpword);
+
+       /*
+        * GEN2_DEC bits:
+        * Bit 15-4: Generic I/O range
+        * Bit 3-1: reserved (read as 0)
+        * Bit 0: enable GEN2 range on LPC I/F
+        */
+       tmpword = conf->fir_io & 0xfff8;
+       tmpword |= 0x0001;
+       IRDA_DEBUG(1, "GEN2_DEC (write): 0x%04x\n", tmpword);
+       pci_write_config_word(dev, GEN2_DEC, tmpword);
+
+       /* Pre-configure chip */
+       return preconfigure_smsc_chip(conf);
+}
+
+/*
+ * Pre-configure a certain port on the ALi 1533 bridge.
+ * This is based on reverse-engineering since ALi does not
+ * provide any data sheet for the 1533 chip.
+ */
+static void __init preconfigure_ali_port(struct pci_dev *dev,
+                                        unsigned short port)
+{
+       unsigned char reg;
+       /* These bits obviously control the different ports */
+       unsigned char mask;
+       unsigned char tmpbyte;
+
+       switch(port) {
+       case 0x0130:
+       case 0x0178:
+               reg = 0xb0;
+               mask = 0x80;
+               break;
+       case 0x03f8:
+               reg = 0xb4;
+               mask = 0x80;
+               break;
+       case 0x02f8:
+               reg = 0xb4;
+               mask = 0x30;
+               break;
+       case 0x02e8:
+               reg = 0xb4;
+               mask = 0x08;
+               break;
+       default:
+               IRDA_ERROR("Failed to configure unsupported port on ALi 1533 bridge: 0x%04x\n", port);
+               return;
+       }
+
+       pci_read_config_byte(dev, reg, &tmpbyte);
+       /* Turn on the right bits */
+       tmpbyte |= mask;
+       pci_write_config_byte(dev, reg, tmpbyte);
+       IRDA_MESSAGE("Activated ALi 1533 ISA bridge port 0x%04x.\n", port);
+       return;
+}
+
+static int __init preconfigure_through_ali(struct pci_dev *dev,
+                                          struct
+                                          smsc_ircc_subsystem_configuration
+                                          *conf)
+{
+       /* Configure the two ports on the ALi 1533 */
+       preconfigure_ali_port(dev, conf->sir_io);
+       preconfigure_ali_port(dev, conf->fir_io);
+
+       /* Pre-configure chip */
+       return preconfigure_smsc_chip(conf);
+}
+
+static int __init smsc_ircc_preconfigure_subsystems(unsigned short ircc_cfg,
+                                                   unsigned short ircc_fir,
+                                                   unsigned short ircc_sir,
+                                                   unsigned char ircc_dma,
+                                                   unsigned char ircc_irq)
+{
+       struct pci_dev *dev = NULL;
+       unsigned short ss_vendor = 0x0000;
+       unsigned short ss_device = 0x0000;
+       int ret = 0;
+
+       dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev);
+
+       while (dev != NULL) {
+               struct smsc_ircc_subsystem_configuration *conf;
+
+               /*
+                * Cache the subsystem vendor/device:
+                * some manufacturers fail to set this for all components,
+                * so we save it in case there is just 0x0000 0x0000 on the
+                * device we want to check.
+                */
+               if (dev->subsystem_vendor != 0x0000U) {
+                       ss_vendor = dev->subsystem_vendor;
+                       ss_device = dev->subsystem_device;
+               }
+               conf = subsystem_configurations;
+               for( ; conf->subvendor; conf++) {
+                       if(conf->vendor == dev->vendor &&
+                          conf->device == dev->device &&
+                          conf->subvendor == ss_vendor &&
+                          /* Sometimes these are cached values */
+                          (conf->subdevice == ss_device ||
+                           conf->subdevice == 0xffff)) {
+                               struct smsc_ircc_subsystem_configuration
+                                       tmpconf;
+
+                               memcpy(&tmpconf, conf,
+                                      sizeof(struct smsc_ircc_subsystem_configuration));
+
+                               /*
+                                * Override the default values with anything
+                                * passed in as parameter
+                                */
+                               if (ircc_cfg != 0)
+                                       tmpconf.cfg_base = ircc_cfg;
+                               if (ircc_fir != 0)
+                                       tmpconf.fir_io = ircc_fir;
+                               if (ircc_sir != 0)
+                                       tmpconf.sir_io = ircc_sir;
+                               if (ircc_dma != 0xff)
+                                       tmpconf.fir_dma = ircc_dma;
+                               if (ircc_irq != 0xff)
+                                       tmpconf.fir_irq = ircc_irq;
+
+                               IRDA_MESSAGE("Detected unconfigured %s SMSC IrDA chip, pre-configuring device.\n", conf->name);
+                               if (conf->preconfigure)
+                                       ret = conf->preconfigure(dev, &tmpconf);
+                               else
+                                       ret = -ENODEV;
+                       }
+               }
+               dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev);
+       }
+
+       return ret;
+}
+#endif // CONFIG_PCI
+
 /************************************************
  *
  * Transceivers specific functions