3C359: use request_firmware

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>

1 files changed, 48 insertions, 15 deletions

diff --git a/drivers/net/tokenring/3c359.c b/drivers/net/tokenring/3c359.c
index 4a65fc2dd928..534c0f38483c 100644
--- a/drivers/net/tokenring/3c359.c
+++ b/drivers/net/tokenring/3c359.c
@@ -62,6 +62,7 @@
 #include <linux/pci.h>
 #include <linux/spinlock.h>
 #include <linux/bitops.h>
+#include <linux/firmware.h>
 
 #include <net/checksum.h>
 
@@ -73,8 +74,10 @@
 static char version[] __devinitdata  = 
 "3c359.c v1.2.0 2/17/01 - Mike Phillips (mikep@linuxtr.net)" ; 
 
+#define FW_NAME         "3com/3C359.bin"
 MODULE_AUTHOR("Mike Phillips <mikep@linuxtr.net>") ; 
 MODULE_DESCRIPTION("3Com 3C359 Velocity XL Token Ring Adapter Driver \n") ;
+MODULE_FIRMWARE(FW_NAME);
 
 /* Module paramters */
 
@@ -114,8 +117,6 @@ MODULE_PARM_DESC(message_level, "3c359: Level of reported messages") ;
  *      will be stuck with 1555 lines of hex #'s in the code.
  */
 
-#include "3c359_microcode.h" 
-
 static struct pci_device_id xl_pci_tbl[] =
 {
         {PCI_VENDOR_ID_3COM,PCI_DEVICE_ID_3COM_3C359, PCI_ANY_ID, PCI_ANY_ID, },
@@ -364,10 +365,30 @@ static int __devinit xl_probe(struct pci_dev *pdev,
         return 0; 
 }
 
+static int xl_init_firmware(struct xl_private *xl_priv)
+{
+        int err;
+
+        err = request_firmware(&xl_priv->fw, FW_NAME, &xl_priv->pdev->dev);
+        if (err) {
+                printk(KERN_ERR "Failed to load firmware \"%s\"\n", FW_NAME);
+                return err;
+        }
+
+        if (xl_priv->fw->size < 16) {
+                printk(KERN_ERR "Bogus length %zu in \"%s\"\n",
+                       xl_priv->fw->size, FW_NAME);
+                release_firmware(xl_priv->fw);
+                err = -EINVAL;
+        }
+
+        return err;
+}
 
 static int __devinit xl_init(struct net_device *dev) 
 {
         struct xl_private *xl_priv = netdev_priv(dev);
+        int err;
 
         printk(KERN_INFO "%s \n", version);
         printk(KERN_INFO "%s: I/O at %hx, MMIO at %p, using irq %d\n",
@@ -375,8 +396,11 @@ static int __devinit xl_init(struct net_device *dev)
 
         spin_lock_init(&xl_priv->xl_lock) ; 
 
-        return xl_hw_reset(dev) ; 
+        err = xl_init_firmware(xl_priv);
+        if (err == 0)
+                err = xl_hw_reset(dev);
 
+        return err;
 }
 
 
@@ -386,7 +410,7 @@ static int __devinit xl_init(struct net_device *dev)
  */
 
 static int xl_hw_reset(struct net_device *dev) 
-{ 
+{
         struct xl_private *xl_priv = netdev_priv(dev);
         u8 __iomem *xl_mmio = xl_priv->xl_mmio ; 
         unsigned long t ; 
@@ -396,6 +420,9 @@ static int xl_hw_reset(struct net_device *dev)
         u16 start ; 
         int j ;
 
+        if (xl_priv->fw == NULL)
+                return -EINVAL;
+
         /*
          *  Reset the card.  If the card has got the microcode on board, we have 
          *  missed the initialization interrupt, so we must always do this.
@@ -458,25 +485,30 @@ static int xl_hw_reset(struct net_device *dev)
 
                 /* 
                  * Now to write the microcode into the shared ram 
-                 * The microcode must finish at position 0xFFFF, so we must subtract
-                 * to get the start position for the code
+                 * The microcode must finish at position 0xFFFF,
+                 * so we must subtract to get the start position for the code
+                 *
+                 * Looks strange but ensures compiler only uses
+                 * 16 bit unsigned int
                  */
+                start = (0xFFFF - (xl_priv->fw->size) + 1) ;
 
-                start = (0xFFFF - (mc_size) + 1 ) ; /* Looks strange but ensures compiler only uses 16 bit unsigned int for this */ 
-                
                 printk(KERN_INFO "3C359: Uploading Microcode: "); 
-                
-                for (i = start, j = 0; j < mc_size; i++, j++) { 
-                        writel(MEM_BYTE_WRITE | 0XD0000 | i, xl_mmio + MMIO_MAC_ACCESS_CMD) ; 
-                        writeb(microcode[j],xl_mmio + MMIO_MACDATA) ; 
+
+                for (i = start, j = 0; j < xl_priv->fw->size; i++, j++) {
+                        writel(MEM_BYTE_WRITE | 0XD0000 | i,
+                               xl_mmio + MMIO_MAC_ACCESS_CMD);
+                        writeb(xl_priv->fw->data[j], xl_mmio + MMIO_MACDATA);
                         if (j % 1024 == 0)
                                 printk(".");
                 }
                 printk("\n") ; 
 
-                for (i=0;i < 16; i++) { 
-                        writel( (MEM_BYTE_WRITE | 0xDFFF0) + i, xl_mmio + MMIO_MAC_ACCESS_CMD) ; 
-                        writeb(microcode[mc_size - 16 + i], xl_mmio + MMIO_MACDATA) ; 
+                for (i = 0; i < 16; i++) {
+                        writel((MEM_BYTE_WRITE | 0xDFFF0) + i,
+                               xl_mmio + MMIO_MAC_ACCESS_CMD);
+                        writeb(xl_priv->fw->data[xl_priv->fw->size - 16 + i],
+                               xl_mmio + MMIO_MACDATA);
                 }
 
                 /*
@@ -1782,6 +1814,7 @@ static void __devexit xl_remove_one (struct pci_dev *pdev)
         struct net_device *dev = pci_get_drvdata(pdev);
         struct xl_private *xl_priv=netdev_priv(dev);
         
+        release_firmware(xl_priv->fw);
         unregister_netdev(dev);
         iounmap(xl_priv->xl_mmio) ; 
         pci_release_regions(pdev) ;