cassini: use request_firmware

Firmware blob looks like this...
        __le16 load_address
        unsigned char data[]

[akpm@linux-foundation.org: include vmalloc.h]
Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 48 insertions, 6 deletions

diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c
index 40ff6a90d0da..86909cfb14de 100644
--- a/drivers/net/cassini.c
+++ b/drivers/net/cassini.c
@@ -74,6 +74,7 @@
 #include <linux/slab.h>
 #include <linux/delay.h>
 #include <linux/init.h>
+#include <linux/vmalloc.h>
 #include <linux/ioport.h>
 #include <linux/pci.h>
 #include <linux/mm.h>
@@ -91,6 +92,7 @@
 #include <linux/ip.h>
 #include <linux/tcp.h>
 #include <linux/mutex.h>
+#include <linux/firmware.h>
 
 #include <net/checksum.h>
 
@@ -197,6 +199,7 @@ static int link_mode;
 MODULE_AUTHOR("Adrian Sun (asun@darksunrising.com)");
 MODULE_DESCRIPTION("Sun Cassini(+) ethernet driver");
 MODULE_LICENSE("GPL");
+MODULE_FIRMWARE("sun/cassini.bin");
 module_param(cassini_debug, int, 0);
 MODULE_PARM_DESC(cassini_debug, "Cassini bitmapped debugging message enable value");
 module_param(link_mode, int, 0);
@@ -812,9 +815,44 @@ static int cas_reset_mii_phy(struct cas *cp)
         return (limit <= 0);
 }
 
+static int cas_saturn_firmware_init(struct cas *cp)
+{
+        const struct firmware *fw;
+        const char fw_name[] = "sun/cassini.bin";
+        int err;
+
+        if (PHY_NS_DP83065 != cp->phy_id)
+                return 0;
+
+        err = request_firmware(&fw, fw_name, &cp->pdev->dev);
+        if (err) {
+                printk(KERN_ERR "cassini: Failed to load firmware \"%s\"\n",
+                       fw_name);
+                return err;
+        }
+        if (fw->size < 2) {
+                printk(KERN_ERR "cassini: bogus length %zu in \"%s\"\n",
+                       fw->size, fw_name);
+                err = -EINVAL;
+                goto out;
+        }
+        cp->fw_load_addr= fw->data[1] << 8 | fw->data[0];
+        cp->fw_size = fw->size - 2;
+        cp->fw_data = vmalloc(cp->fw_size);
+        if (!cp->fw_data) {
+                err = -ENOMEM;
+                printk(KERN_ERR "cassini: \"%s\" Failed %d\n", fw_name, err);
+                goto out;
+        }
+        memcpy(cp->fw_data, &fw->data[2], cp->fw_size);
+out:
+        release_firmware(fw);
+        return err;
+}
+
 static void cas_saturn_firmware_load(struct cas *cp)
 {
-        cas_saturn_patch_t *patch = cas_saturn_patch;
+        int i;
 
         cas_phy_powerdown(cp);
 
@@ -833,11 +871,9 @@ static void cas_saturn_firmware_load(struct cas *cp)
 
         /* download new firmware */
         cas_phy_write(cp, DP83065_MII_MEM, 0x1);
-        cas_phy_write(cp, DP83065_MII_REGE, patch->addr);
-        while (patch->addr) {
-                cas_phy_write(cp, DP83065_MII_REGD, patch->val);
-                patch++;
-        }
+        cas_phy_write(cp, DP83065_MII_REGE, cp->fw_load_addr);
+        for (i = 0; i < cp->fw_size; i++)
+                cas_phy_write(cp, DP83065_MII_REGD, cp->fw_data[i]);
 
         /* enable firmware */
         cas_phy_write(cp, DP83065_MII_REGE, 0x8ff8);
@@ -5108,6 +5144,9 @@ static int __devinit cas_init_one(struct pci_dev *pdev,
         cas_reset(cp, 0);
         if (cas_check_invariants(cp))
                 goto err_out_iounmap;
+        if (cp->cas_flags & CAS_FLAG_SATURN)
+                if (cas_saturn_firmware_init(cp))
+                        goto err_out_iounmap;
 
         cp->init_block = (struct cas_init_block *)
                 pci_alloc_consistent(pdev, sizeof(struct cas_init_block),
@@ -5217,6 +5256,9 @@ static void __devexit cas_remove_one(struct pci_dev *pdev)
         cp = netdev_priv(dev);
         unregister_netdev(dev);
 
+        if (cp->fw_data)
+                vfree(cp->fw_data);
+
         mutex_lock(&cp->pm_mutex);
         flush_scheduled_work();
         if (cp->hw_running)