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smctr: use request_firmware()

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Signed-off-by: David Woodhouse <dwmw2@infradead.org>
This commit is contained in:
David Woodhouse
2008-05-29 16:39:16 +03:00
committed by David Woodhouse
parent 18ee6dfae8
commit 0f805b86c9
6 changed files with 526 additions and 1001 deletions
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56
drivers/net/tokenring/smctr.c
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@@ -48,6 +48,7 @@
#include <linux/skbuff.h>
#include <linux/trdevice.h>
#include <linux/bitops.h>
#include <linux/firmware.h>
#include <asm/system.h>
#include <asm/io.h>
@@ -59,7 +60,6 @@
#endif
#include "smctr.h" /* Our Stuff */
#include "smctr_firmware.h" /* SMC adapter firmware */
static char version[] __initdata = KERN_INFO "smctr.c: v1.4 7/12/00 by jschlst@samba.org\n";
static const char cardname[] = "smctr";
@@ -103,7 +103,8 @@ static int smctr_clear_trc_reset(int ioaddr);
static int smctr_close(struct net_device *dev);
/* D */
static int smctr_decode_firmware(struct net_device *dev);
static int smctr_decode_firmware(struct net_device *dev,
const struct firmware *fw);
static int smctr_disable_16bit(struct net_device *dev);
static int smctr_disable_adapter_ctrl_store(struct net_device *dev);
static int smctr_disable_bic_int(struct net_device *dev);
@@ -748,7 +749,8 @@ static int smctr_close(struct net_device *dev)
return (0);
}
static int smctr_decode_firmware(struct net_device *dev)
static int smctr_decode_firmware(struct net_device *dev,
const struct firmware *fw)
{
struct net_local *tp = netdev_priv(dev);
short bit = 0x80, shift = 12;
@@ -762,10 +764,10 @@ static int smctr_decode_firmware(struct net_device *dev)
if(smctr_debug > 10)
printk(KERN_DEBUG "%s: smctr_decode_firmware\n", dev->name);
weight = *(long *)(tp->ptr_ucode + WEIGHT_OFFSET);
tsize = *(__u8 *)(tp->ptr_ucode + TREE_SIZE_OFFSET);
tree = (DECODE_TREE_NODE *)(tp->ptr_ucode + TREE_OFFSET);
ucode = (__u8 *)(tp->ptr_ucode + TREE_OFFSET
weight = *(long *)(fw->data + WEIGHT_OFFSET);
tsize = *(__u8 *)(fw->data + TREE_SIZE_OFFSET);
tree = (DECODE_TREE_NODE *)(fw->data + TREE_OFFSET);
ucode = (__u8 *)(fw->data + TREE_OFFSET
+ (tsize * sizeof(DECODE_TREE_NODE)));
mem = (__u16 *)(tp->ram_access);
@@ -2963,34 +2965,44 @@ static int smctr_link_tx_fcbs_to_bdbs(struct net_device *dev)
static int smctr_load_firmware(struct net_device *dev)
{
struct net_local *tp = netdev_priv(dev);
const struct firmware *fw;
__u16 i, checksum = 0;
int err = 0;
if(smctr_debug > 10)
printk(KERN_DEBUG "%s: smctr_load_firmware\n", dev->name);
tp->ptr_ucode = smctr_code;
if (request_firmware(&fw, "tr_smctr.bin", &dev->dev)) {
printk(KERN_ERR "%s: firmware not found\n", dev->name);
return (UCODE_NOT_PRESENT);
}
tp->num_of_tx_buffs = 4;
tp->mode_bits |= UMAC;
tp->receive_mask = 0;
tp->max_packet_size = 4177;
/* Can only upload the firmware once per adapter reset. */
if(tp->microcode_version != 0)
return (UCODE_PRESENT);
if (tp->microcode_version != 0) {
err = (UCODE_PRESENT);
goto out;
}
/* Verify the firmware exists and is there in the right amount. */
if (!tp->ptr_ucode
|| (*(tp->ptr_ucode + UCODE_VERSION_OFFSET) < UCODE_VERSION))
if (!fw->data
|| (*(fw->data + UCODE_VERSION_OFFSET) < UCODE_VERSION))
{
return (UCODE_NOT_PRESENT);
err = (UCODE_NOT_PRESENT);
goto out;
}
/* UCODE_SIZE is not included in Checksum. */
for(i = 0; i < *((__u16 *)(tp->ptr_ucode + UCODE_SIZE_OFFSET)); i += 2)
checksum += *((__u16 *)(tp->ptr_ucode + 2 + i));
if(checksum)
return (UCODE_NOT_PRESENT);
for(i = 0; i < *((__u16 *)(fw->data + UCODE_SIZE_OFFSET)); i += 2)
checksum += *((__u16 *)(fw->data + 2 + i));
if (checksum) {
err = (UCODE_NOT_PRESENT);
goto out;
}
/* At this point we have a valid firmware image, lets kick it on up. */
smctr_enable_adapter_ram(dev);
@@ -2998,7 +3010,7 @@ static int smctr_load_firmware(struct net_device *dev)
smctr_set_page(dev, (__u8 *)tp->ram_access);
if((smctr_checksum_firmware(dev))
|| (*(tp->ptr_ucode + UCODE_VERSION_OFFSET)
|| (*(fw->data + UCODE_VERSION_OFFSET)
> tp->microcode_version))
{
smctr_enable_adapter_ctrl_store(dev);
@@ -3007,9 +3019,9 @@ static int smctr_load_firmware(struct net_device *dev)
for(i = 0; i < CS_RAM_SIZE; i += 2)
*((__u16 *)(tp->ram_access + i)) = 0;
smctr_decode_firmware(dev);
smctr_decode_firmware(dev, fw);
tp->microcode_version = *(tp->ptr_ucode + UCODE_VERSION_OFFSET); *((__u16 *)(tp->ram_access + CS_RAM_VERSION_OFFSET))
tp->microcode_version = *(fw->data + UCODE_VERSION_OFFSET); *((__u16 *)(tp->ram_access + CS_RAM_VERSION_OFFSET))
= (tp->microcode_version << 8);
*((__u16 *)(tp->ram_access + CS_RAM_CHECKSUM_OFFSET))
= ~(tp->microcode_version << 8) + 1;
@@ -3023,7 +3035,8 @@ static int smctr_load_firmware(struct net_device *dev)
err = UCODE_PRESENT;
smctr_disable_16bit(dev);
out:
release_firmware(fw);
return (err);
}
@@ -5651,6 +5664,7 @@ static int io[SMCTR_MAX_ADAPTERS];
static int irq[SMCTR_MAX_ADAPTERS];
MODULE_LICENSE("GPL");
MODULE_FIRMWARE("tr_smctr.bin");
module_param_array(io, int, NULL, 0);
module_param_array(irq, int, NULL, 0);